curcumin and Chronic-Disease

Unprecedented community containment measures were taken following the recent outbreak of COVID-19 in Italy. The aim of the study was to explore the self-reported future compliance of citizens with such measures and its relationship with potentially impactful psychological variables.. An online survey was completed by 931 people (18-76 years) distributed across the Italian territory. In addition to demographics, five dimensions were measured: self-reported compliance with containment measures over time (today, at 7, 14, 30, 60, 90, and 180 days from now) at three hypothetical risk levels (10, 50, 90% of likelihood of contracting the COVID-19), perceived risk, generalized anxiety, intolerance of uncertainty, and relevance of several psychological needs whose satisfaction is currently precluded.. The duration of containment measures plays a crucial role in tackling the spread of the disease as people will be less compliant over time. Psychological needs of citizens impacting on the compliance should be taken into account when planning an easing of the lockdown, along with interventions for protecting vulnerable groups from mental distress.. La apendicitis aguda (AA) es la urgencia quirúrgica abdominal más frecuente. No encontramos estudios específicos que evalúen el impacto de la pandemia causada por el coronavirus 2 (SARS-Cov-2) sobre la AA y su tratamiento quirúrgico. Analizamos la influencia de esta nueva patología sobre la AA.. Estudio observacional retrospectivo en pacientes intervenidos por AA desde enero hasta abril de 2020. Fueron clasificados según el momento de la apendicectomía, antes de la declaración del estado de alarma (Pre-COVID19) y después de la declaración del estado de alarma (Post-COVID19) en España. Se evaluaron variables demográficas, duración de la sintomatología, tipo de apendicitis, tiempo quirúrgico, estancia hospitalaria y complicaciones postoperatorias.. La pandemia por SARS-Cov-2 influye en el momento de diagnóstico de la apendicitis, así como en su grado de evolución y estancia hospitalaria. La peritonitis fue lo más frecuentemente observado. Una sospecha y orientación clínica más temprana, es necesaria para evitar un manejo inadecuado de este trastorno quirúrgico común.. The primary outcome is improvement in PaO. Findings will provide timely information on the safety, efficacy, and optimal dosing of t-PA to treat moderate/severe COVID-19-induced ARDS, which can be rapidly adapted to a phase III trial (NCT04357730; FDA IND 149634).. None.. The gut barrier is crucial in cirrhosis in preventing infection-causing bacteria that normally live in the gut from accessing the liver and other organs via the bloodstream. Herein, we characterised gut inflammation by measuring different markers in stool samples from patients at different stages of cirrhosis and comparing this to healthy people. These markers, when compared with equivalent markers usually measured in blood, were found to be very different in pattern and absolute levels, suggesting that there is significant gut inflammation in cirrhosis related to different immune system pathways to that seen outside of the gut. This provides new insights into gut-specific immune disturbances that predispose to complications of cirrhosis, and emphasises that a better understanding of the gut-liver axis is necessary to develop better targeted therapies.. La surveillance de l’intervalle QT a suscité beaucoup d’intérêt durant la pandémie de la COVID-19 en raison de l’utilisation de médicaments prolongeant l’intervalle QT et les préoccupations quant à la transmission virale par les électrocardiogrammes (ECG) en série. Nous avons posé l’hypothèse que la surveillance en continu de l’intervalle QT par télémétrie était associée à une meilleure détection des épisodes de prolongation de l’intervalle QT.. Nous avons introduit la télémétrie cardiaque en continu (TCC) à l’aide d’un algorithme de surveillance automatisée de l’intervalle QT dans nos unités de COVID-19. Les mesures automatisées quotidiennes de l’intervalle QT corrigé (auto-QTc) en fonction de la fréquence cardiaque maximale ont été enregistrées. Nous avons comparé la proportion des épisodes de prolongation marquée de l’intervalle QTc (QTc long), définie par un intervalle QTc ≥ 500 ms, chez les patients montrant une suspicion de COVID-19 ou ayant la COVID-19 qui avaient été admis avant et après la mise en place de la TCC (groupe témoin. La surveillance en continu de l’intervalle QT est supérieure à la norme de soins dans la détection des épisodes de QTc long et exige peu d’ECG. La réponse clinique aux épisodes de QTc long est sous-optimale.. Exposure to a model wildfire air pollution source modifies cardiovascular responses to HC challenge, suggesting air pollution sensitizes the body to systemic triggers.. Though the majority of HIV-infected adults who were on HAART had shown viral suppression, the rate of suppression was sub-optimal according to the UNAIDS 90-90-90 target to help end the AIDS pandemic by 2020. Nonetheless, the rate of immunological recovery in the study cohort was low. Hence, early initiation of HAART should be strengthened to achieve good virological suppression and immunological recovery.. Dust in Egyptian laying hen houses contains high concentrations of microorganisms and endotoxins, which might impair the health of birds and farmers when inhaled. Furthermore, laying hens in Egypt seem to be a reservoir for ESBL-producing Enterobacteriaceae. Thus, farmers are at risk of exposure to ESBL-producing bacteria, and colonized hens might transmit these bacteria into the food chain.. The lack of significant differences in the absolute changes and relative ratios of injury and repair biomarkers by contrast-associated AKI status suggests that the majority of mild contrast-associated AKI cases may be driven by hemodynamic changes at the kidney.. Most comparisons for different outcomes are based on very few studies, mostly low-powered, with an overall low CoE. Thus, the available evidence is considered insufficient to either support or refute CH effectiveness or to recommend one ICM over another. Therefore, further well-designed, larger RCTs are required.. PROSPERO database Identifier: CRD42016041953.. Untouched root canal at cross-section perimeter, the Hero 642 system showed 41.44% ± 5.62% and Reciproc R40 58.67% ± 12.39% without contact with instruments. Regarding the untouched area, Hero 642 system showed 22.78% ± 6.42% and Reciproc R40 34.35% ± 8.52%. Neither instrument achieved complete cross-sectional root canal debridement. Hero 642 system rotary taper 0.02 instruments achieved significant greater wall contact perimeter and area compared to reciprocate the Reciproc R40 taper 0.06 instrument.. Hero 642 achieved higher wall contact perimeter and area but, regardless of instrument size and taper, vital pulp during. The functional properties of the main mechanisms involved in the control of muscle Ca. This study showed that the anti-inflammatory effect of the iron-responsive product DHA in arthritis can be monitored by an iron-like radioactive tracer (. Attenuated vascular reactivity during pregnancy suggests that the systemic vasodilatory state partially depletes nitric oxide bioavailability. Preliminary data support the potential for MRI to identify vascular dysfunction in vivo that underlies PE. Level of Evidence 2 Technical Efficacy Stage 1 J. MAGN. RESON. IMAGING 2021;53:447-455.. La evaluación de riesgo es importante para predecir los resultados postoperatorios en pacientes con cáncer gastroesofágico. Este estudio de cohortes tuvo como objetivo evaluar los cambios en la composición corporal durante la quimioterapia neoadyuvante e investigar su asociación con complicaciones postoperatorias. MÉTODOS: Los pacientes consecutivos con cáncer gastroesofágico sometidos a quimioterapia neoadyuvante y cirugía con intención curativa entre 2016 y 2019, identificados a partir de una base de datos específica, se incluyeron en el estudio. Se utilizaron las imágenes de tomografía computarizada, antes y después de la quimioterapia neoadyuvante, para evaluar el índice de masa muscular esquelética, la sarcopenia y el índice de grasa visceral y subcutánea.. In this in vitro premature infant lung model, HF oscillation of BCPAP was associated with improved CO. Our results showed that HPC significantly promotes neurogenesis after MCAO and ameliorates neuronal injury.. Inflammatory markers are highly related to signs of systemic hypoperfusion in CS. Moreover, high PCT and IL-6 levels are associated with poor prognosis.. These findings indicate that Tetrapleura tetraptera fruit has a protective potential against stroke through modulation of redox and electrolyte imbalances, and attenuation of neurotransmitter dysregulation and other neurochemical dysfunctions. Tetrapleura tetraptera fruit could be a promising source for the discovery of bioactives for stroke therapy.

Topics: 3T3-L1 Cells; A Kinase Anchor Proteins; Acetates; Achilles Tendon; Acute Kidney Injury; Acute Pain; Acyclic Monoterpenes; Adenine Nucleotides; Adhesins, Escherichia coli; Adipocytes; Adipocytes, Brown; Adipogenesis; Administration, Inhalation; Administration, Oral; Adrenal Cortex Hormones; Adsorption; Adult; Aeromonas hydrophila; Africa; Aged; Aged, 80 and over; Agrobacterium tumefaciens; Air; Air Pollutants; Air Pollution; Air Pollution, Indoor; Algorithms; Alkaloids; Alkynes; Allosteric Regulation; Amines; Amino Acid Sequence; Amino Acids; Amino Acids, Branched-Chain; Aminoisobutyric Acids; Aminopyridines; Amyotrophic Lateral Sclerosis; Anaerobic Threshold; Angiography; Angiotensin II Type 1 Receptor Blockers; Angiotensin Receptor Antagonists; Angiotensin-Converting Enzyme Inhibitors; Animal Distribution; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Ankle Joint; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Inflammatory Agents; Antibodies, Bacterial; Antifungal Agents; Antimalarials; Antineoplastic Agents; Antineoplastic Agents, Phytogenic; Antioxidants; Antiretroviral Therapy, Highly Active; Antiviral Agents; Aotidae; Apelin; Apoptosis; Arabidopsis Proteins; Argentina; Arginine; Artemisinins; Arthritis, Experimental; Arthritis, Rheumatoid; Arthroscopy; Aspergillus; Aspergillus niger; Asteraceae; Asthma; ATP Binding Cassette Transporter, Subfamily B, Member 1; ATP Binding Cassette Transporter, Subfamily G, Member 2; Auditory Cortex; Autoantibodies; Autophagy; Bacteria; Bacterial Infections; Bacterial Proteins; Bacterial Typing Techniques; Base Composition; Base Sequence; Basketball; Beclin-1; Benzhydryl Compounds; Benzimidazoles; Benzo(a)pyrene; Benzofurans; Benzoxazines; Bereavement; beta Catenin; beta-Lactamase Inhibitors; beta-Lactamases; beta-Lactams; Betacoronavirus; Betaine; Binding Sites; Biofilms; Biological Assay; Biological Availability; Biological Evolution; Biomarkers; Biomechanical Phenomena; Biopolymers; Biopsy; Bismuth; Blood Glucose; Blood Platelets; Blood Pressure; Body Composition; Body Weight; Bone Marrow; Bone Marrow Cells; Bone Regeneration; Boron; Botrytis; Brain Ischemia; Brain Neoplasms; Brain-Derived Neurotrophic Factor; Brazil; Breast Neoplasms; Breath Tests; Bronchoalveolar Lavage Fluid; Burkholderia; C-Reactive Protein; Caenorhabditis elegans; Caenorhabditis elegans Proteins; Calcification, Physiologic; Calcium; Calcium Signaling; Calorimetry, Differential Scanning; Cameroon; Camptothecin; Candida; Candida albicans; Capillaries; Carbapenem-Resistant Enterobacteriaceae; Carbapenems; Carbohydrate Conformation; Carbon; Carbon Dioxide; Carbon Isotopes; Carcinoma, Ovarian Epithelial; Cardiac Output; Cardiomyopathy, Hypertrophic; Cardiotonic Agents; Cardiovascular Diseases; Caregivers; Carps; Case-Control Studies; Catalase; Catalysis; Cats; CD4 Lymphocyte Count; Cell Culture Techniques; Cell Differentiation; Cell Line, Tumor; Cell Membrane; Cell Movement; Cell Proliferation; Cell Survival; Cells, Cultured; Cellulose; Centrosome; Ceratopogonidae; Chickens; Child; China; Cholera Toxin; Choline; Cholinesterases; Chromatography, High Pressure Liquid; Chromatography, Liquid; Chromatography, Micellar Electrokinetic Capillary; Chromatography, Reverse-Phase; Chronic Disease; Cinnamates; Cities; Citrates; Climate Change; Clinical Trials, Phase III as Topic; Coal; Coal Mining; Cohort Studies; Coinfection; Colchicine; Colony Count, Microbial; Colorectal Neoplasms; Coloring Agents; Common Cold; Complement Factor H; Computational Biology; Computer Simulation; Continuous Positive Airway Pressure; Contrast Media; Coordination Complexes; Coronary Artery Bypass; Coronavirus 3C Proteases; Coronavirus Infections; Coronavirus Protease Inhibitors; Corynebacterium glutamicum; Cosmetics; COVID-19; Creatinine; Cross-Sectional Studies; Crotonates; Crystallography, X-Ray; Cues; Culicidae; Culture Media; Curcuma; Cyclopentanes; Cyclopropanes; Cymbopogon; Cystine; Cytochrome P-450 CYP2B6; Cytochrome P-450 CYP2C19; Cytochrome P-450 CYP2C19 Inhibitors; 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Plant Oils; Plants, Medicinal; Plasmodium berghei; Plasmodium falciparum; Platelet Activation; Platelet Function Tests; Pneumonia, Viral; Poaceae; Pogostemon; Poloxamer; Poly I; Poly(ADP-ribose) Polymerase Inhibitors; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Polycyclic Compounds; Polyethylene Glycols; Polylysine; Polymorphism, Genetic; Polymorphism, Single Nucleotide; Population Dynamics; Portasystemic Shunt, Transjugular Intrahepatic; Positron Emission Tomography Computed Tomography; Postoperative Complications; Postprandial Period; Potassium Cyanide; Predictive Value of Tests; Prefrontal Cortex; Pregnancy; Prepulse Inhibition; Prevalence; Procalcitonin; Prodrugs; Prognosis; Progression-Free Survival; Proline; Proof of Concept Study; Prospective Studies; Protein Binding; Protein Conformation; Protein Domains; Protein Folding; Protein Multimerization; Protein Sorting Signals; Protein Structure, Secondary; Proton Pump Inhibitors; Protozoan Proteins; Psychometrics; Pulse Wave Analysis; Pyridines; Pyrrolidines; Quality of Life; Quantum Dots; Quinoxalines; Quorum Sensing; Radiopharmaceuticals; Rain; Random Allocation; Randomized Controlled Trials as Topic; Rats; Rats, Sprague-Dawley; Rats, Wistar; RAW 264.7 Cells; Reactive Oxygen Species; Receptor, Angiotensin, Type 1; Receptor, PAR-1; Receptors, CXCR4; Receptors, Estrogen; Receptors, Glucocorticoid; Receptors, Interleukin-1; Receptors, Interleukin-17; Receptors, Notch; Recombinant Fusion Proteins; Recombinant Proteins; Reducing Agents; Reflex, Startle; Regional Blood Flow; Regression Analysis; Reperfusion Injury; Reproducibility of Results; Republic of Korea; Respiratory Tract Diseases; Retrospective Studies; Reverse Transcriptase Inhibitors; Rhinitis, Allergic; Risk Assessment; Risk Factors; Rituximab; RNA, Messenger; RNA, Ribosomal, 16S; ROC Curve; Rosmarinic Acid; Running; Ruthenium; Rutin; Sarcolemma; Sarcoma; Sarcopenia; Sarcoplasmic Reticulum; SARS-CoV-2; Scavenger Receptors, Class A; Schools; Seasons; Seeds; Sequence Analysis, DNA; Severity of Illness Index; Sex Factors; Shock, Cardiogenic; Short Chain Dehydrogenase-Reductases; Signal Transduction; Silver; Singlet Oxygen; Sinusitis; Skin; Skin Absorption; Small Molecule Libraries; Smoke; Socioeconomic Factors; Soil; Soil Microbiology; Solid Phase Extraction; Solubility; Solvents; Spain; Spectrometry, Mass, Electrospray Ionization; Spectroscopy, Fourier Transform Infrared; Speech; Speech Perception; Spindle Poles; Spleen; Sporothrix; Staphylococcal Infections; Staphylococcus aureus; Stereoisomerism; Stomach Neoplasms; Stress, Physiological; Stroke Volume; Structure-Activity Relationship; Substrate Specificity; Sulfonamides; Surface Properties; Surface-Active Agents; Surveys and Questionnaires; Survival Rate; T-Lymphocytes, Cytotoxic; Tandem Mass Spectrometry; Temperature; Tenofovir; Terpenes; Tetracycline; Tetrapleura; Textiles; Thermodynamics; Thiobarbituric Acid Reactive Substances; Thrombin; Thyroid Hormones; Thyroid Neoplasms; Tibial Meniscus Injuries; Time Factors; 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The last decade has seen an unprecedented rise in the prevalence of chronic diseases worldwide. Different mono-targeted approaches have been devised to treat these multigenic diseases, still most of them suffer from limited success due to the off-target debilitating side effects and their inability to target multiple pathways. Hence a safe, efficacious, and multi-targeted approach is the need for the hour to circumvent these challenging chronic diseases. Curcumin, a natural compound extracted from the rhizomes of Curcuma longa, has been under intense scrutiny for its wide medicinal and biological properties. Curcumin is known to manifest antibacterial, antiinflammatory, antioxidant, antifungal, antineoplastic, antifungal, and proapoptotic effects. A plethora of literature has already established the immense promise of curcuminoids in the treatment and clinical management of various chronic diseases like cancer, cardiovascular, metabolic, neurological, inflammatory, and infectious diseases. To date, more than 230 clinical trials have opened investigations to understand the pharmacological aspects of curcumin in human systems. Still, further randomized clinical studies in different ethnic populations warrant its transition to a marketed drug. This review summarizes the results from different clinical trials of curcumin-based therapeutics in the prevention and treatment of various chronic diseases.

Topics: Anti-Inflammatory Agents; Antineoplastic Agents; Chronic Disease; Curcuma; Curcumin; Humans; Neoplasms

Accumulating evidence has been reported regarding the effect of dietary antioxidants on clinical variables in IBD patients, however, findings are controversial. This systematic review and meta-analysis aimed to investigate effect of dietary antioxidants on clinical variables in patients with IBD or its subtypes.. We searched PubMed, Scopus, and ISI Web of Science from inception to January 2021 using relevant keywords. Data were pooled by using the random-effect model. All statistical analyses were done using STATA version 14.. Our meta-analysis was exclusively done on studies about the effect of curcumin on IBD patients, because limited studies were done on other antioxidants. Curcumin administration resulted in significant increment of clinical remission in patients with IBD (SMD: 0.86%, 95% CI: 0.16, 1.56, p = 0.016), significant remission in clinical symptoms (SMD: -0.96 score, 95% CI: -1.34, -0.57, p < 0.001), and significant increment in endoscopic remission in IBD patients (SMD: 0.51%, 95% CI: 0.16, 0.85, p = 0.004), comparing to control group. Curcumin supplementation also made better clinical response than control group (SMD: 0.74%, 95% CI: 0.22, 1.26, p = 0.005) and also resulted in significant improvement in quality of life of patients with IBD, as compared to control group (SMD: 1.23 score, 95% CI: 0.72, 1.74, p < 0.001).. Our meta-analysis showed that curcumin significantly improved clinical and endoscopic remissions in IBD patients. This supplementation also caused significant reduction in clinical symptoms of IBD patients along with better clinical response and the increased quality of life. Further researches with larger sample size and longer period of intervention are required to evaluate efficacy of dietary antioxidants on clinical variables in patients with IBD.

Topics: Antioxidants; Chronic Disease; Curcumin; Humans; Inflammatory Bowel Diseases; Quality of Life

Curcumin is the primary polyphenol in turmeric's curcuminoid class. It has a wide range of therapeutic applications, such as anti-inflammatory, antioxidant, antidiabetic, hepatoprotective, antibacterial, and anticancer effects against various cancers, but has poor solubility and low bioavailability. Objective: To improve curcumin's bioavailability, plasma concentration, and cellular permeability processes. The nanocurcumin approach over curcumin has been proven appropriate for encapsulating or loading curcumin (nanocurcumin) to increase its therapeutic potential. Conclusion: Though incorporating curcumin into nanocurcumin form may be a viable method for overcoming its intrinsic limitations, and there are reasonable concerns regarding its toxicological safety once it enters biological pathways. This review article mainly highlights the therapeutic benefits of nanocurcumin over curcumin.

Topics: Anti-Bacterial Agents; Anti-Inflammatory Agents; Biological Availability; Chronic Disease; Curcumin; Humans; Nanoparticles; Nanotechnology; Solubility

The skin is a physical barrier that protects the body from the external environment. Through its immune system, it limits the attack of environmental threats. Unregulated immune reactions, however, can cause chronic inflammatory skin diseases, requiring that effective treatment routes be sought. Turmeric, a root originated from Southeast Asia, has a number of therapeutic benefits, including anti-inflammatory activity. The aim of this review was to evaluate the effects of turmeric oral supplementation in the treatment of chronic inflammatory skin diseases. Through PubMed, Scopus, and Web of Science databases, clinical studies examining the relationship between turmeric, curcumin, and skin health in humans until September 2019 were systematically searched. Evidence analysis were performed using robust tools to evaluate the risk of bias (RoB 2.0), (ROBINS-I) and methodological quality (GRADE) of the included studies. A total of eleven studies were included. The skin conditions examined include psoriasis, pruritus, oral lichen planus, facial redness, as well as types of skin cancers. Overall, therapeutic benefits for skin health have been observed through oral turmeric supplementation. The current published studies, nevertheless, are limited, requiring continuity and improvement in the intervention methodology employed.

Topics: Anti-Inflammatory Agents; Chronic Disease; Curcuma; Curcumin; Dietary Supplements; Humans

Turmeric extract or active component curcumin may have anti-inflammatory effects in people with chronic inflammatory diseases. The effect of turmeric or curcumin on a wide range of inflammatory markers has not been evaluated in a systematic review. We performed a systematic review of randomized controlled trials (RCTs) evaluating the effects of oral turmeric or curcumin on inflammatory markers (CRP, hsCRP, IL-1, IL-6, TNF) in patients with a wide range of chronic inflammatory diseases. Pubmed, EMBASE, Scopus, the Web of Science, and the Cochrane library were evaluated until June 2018. Random effects meta-analyses with inverse variance methods and stratified by turmeric or curcumin were performed. Effects were expressed as mean differences (MD) and their 95% confidence intervals (CI). Risk of bias of RCTs was evaluated with the Cochrane tool. Nineteen RCTs were identified; included patients had rheumatic diseases, advanced chronic kidney disease with hemodialysis, metabolic syndrome, and cardiovascular diseases. Turmeric was the intervention in 5 RCTs (n = 356) and curcumin/curcuminoids in 14 RCTs (n = 988). Follow up times ranged between 4 and 16 weeks. One RCT had high risk of bias. In comparison to controls, turmeric or curcumin did not significantly decrease levels of CRP (MD -2.71 mg/L, 95%CI -5.73 to 0.31, p = 0.08, 5 studies), hsCRP (MD -1.44 mg/L, 95%CI -2.94 to 0.06, p = 0.06, 6 studies), IL-1 beta (MD -4.25 pg/mL, 95%CI -13.32 to 4.82, p = 0.36, 2 studies), IL-6 (MD -0.71 pg/mL, 95%CI -1.68 to 0.25, p = 0.15), and TNF alpha (MD -1.23 pg/mL, 95%CI -3.01 to 0.55, p = 0.18, 7 studies). There were no differences between turmeric and curcumin interventions. High heterogeneity of effects was observed for all markers across studies, except hsCRP. Other inflammatory markers such as IL-1 alpha, TNF beta, IL-17, and IL-22 had scarce data. Turmeric or curcumin did not decrease several inflammatory markers in patients with chronic inflammatory diseases.

Topics: Administration, Oral; Anti-Inflammatory Agents; Biomarkers; Chronic Disease; Curcuma; Curcumin; Humans; Inflammation; Plant Extracts; Randomized Controlled Trials as Topic

Topics: Animals; Biological Availability; Chronic Disease; Clinical Trials as Topic; Curcuma; Curcumin; Dietary Supplements; Humans

Numerous clinical trials have investigated the potential beneficial effects of curcumin supplementation against several human chronic diseases. Up to now, it has been claimed that curcumin consumption may exert beneficial effects against several chronic diseases by promoting human health and preventing diseases. In this aspect, the present review aims to critically collect and in-depth summarize the most recent, well-designed clinical studies evaluating the potential beneficial effects of curcumin consumption on human health promotion and disease prevention. According to recent and well-designed clinical studies, curcumin consumption may benefit against obesity, metabolic syndrome, and diabetes. Moreover, curcumin consumption seems to exert a positive effect on people suffering from various types of cancer, fatty liver disease, depression, arthritis, skin diseases, gut inflammation, and symptoms of premenstrual syndrome. Due to the strong heterogeneity among the clinical studies concerning the exact effective curcumin dose and formulation, as well as the recommended treatment duration for each chronic disease, no precise and definitive conclusions could be drawn. Further large-scale prospective studies are strongly recommended, being well-designed as far as follow-up times, dosage, formulation, and duration of curcumin supplementation are concerned. Moreover, potential confounders in each specific chronic disease should carefully be taken into account in future studies.

Topics: Chronic Disease; Curcumin; Humans; Prospective Studies

Solid lipid nanoparticle (SLN) delivery systems have a wide applicability in the delivery of phyto-bioactive compounds to treat various chronic diseases, including diabetes, cancer, obesity and neurodegenerative diseases. The multiple benefits of SLN delivery include improved stability, smaller particle size, leaching prevention and enhanced lymphatic uptake of the bioactive compounds through oral delivery. However, the burst release makes the SLN delivery systems inadequate for the oral delivery of various phyto-bioactive compounds that can treat such chronic diseases. Recently, the surface-modified SLN (SMSLN) was observed to overcome this limitation for oral delivery of phyto-bioactive compounds, and there is growing evidence of an enhanced uptake of curcumin delivered orally via SMSLNs in the brain. This review focuses on different SLN and SMSLN systems that are useful for oral delivery of phyto-bioactive compounds to treat various chronic diseases.

Topics: Administration, Oral; Brain; Chronic Disease; Curcumin; Drug Carriers; Drug Delivery Systems; Humans; Lipids; Nanoparticles; Particle Size

Curcumin, a yellow pigment in the Indian spice Turmeric (Curcuma longa), which is chemically known as diferuloylmethane, was first isolated exactly two centuries ago in 1815 by two German Scientists, Vogel and Pelletier. However, according to the pubmed database, the first study on its biological activity as an antibacterial agent was published in 1949 in Nature and the first clinical trial was reported in The Lancet in 1937. Although the current database indicates almost 9000 publications on curcumin, until 1990 there were less than 100 papers published on this nutraceutical. At the molecular level, this multitargeted agent has been shown to exhibit anti-inflammatory activity through the suppression of numerous cell signalling pathways including NF-κB, STAT3, Nrf2, ROS and COX-2. Numerous studies have indicated that curcumin is a highly potent antimicrobial agent and has been shown to be active against various chronic diseases including various types of cancers, diabetes, obesity, cardiovascular, pulmonary, neurological and autoimmune diseases. Furthermore, this compound has also been shown to be synergistic with other nutraceuticals such as resveratrol, piperine, catechins, quercetin and genistein. To date, over 100 different clinical trials have been completed with curcumin, which clearly show its safety, tolerability and its effectiveness against various chronic diseases in humans. However, more clinical trials in different populations are necessary to prove its potential against different chronic diseases in humans. This review's primary focus is on lessons learnt about curcumin from clinical trials.. This article is part of a themed section on Principles of Pharmacological Research of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.11/issuetoc.

Topics: Anti-Infective Agents; Anti-Inflammatory Agents; Chronic Disease; Curcuma; Curcumin; Dietary Supplements; Humans; Molecular Targeted Therapy; Signal Transduction

Alzheimer's disease (AD) is a progressive neurodegenerative disorder, characterized by deposition of amyloid plaques and neurofibrillary tangles, as well as microglial and astroglial activation, and, finally, leading to neuronal dysfunction and death. Current treatments for AD primarily focus on enhancement of cholinergic transmission. However, these treatments are only symptomatic, and no disease-modifying drug is available for the treatment of AD patients. This review will provide an overview of the antioxidant, anti-inflammatory, anti-amyloidogenic, neuroprotective, and cognition-enhancing effects of a variety of nutraceuticals including curcumin, apigenin, docosahexaenoic acid, epigallocatechin gallate, α-lipoic acid and resveratrol and their potential for AD prevention and treatment. We suggest that therapeutic use of these compounds might lead to a safe strategy to delay the onset of AD or slow down its progression. The continuing investigation of the potential of these substances is necessary as they are promising compounds to yield a possible remedy for this pervasive disease.

Topics: Alzheimer Disease; Animals; Antioxidants; Biological Products; Chronic Disease; Curcumin; Fish Oils; Humans; Inflammation; Neurodegenerative Diseases; Neurofibrillary Tangles; Neuroprotective Agents; Randomized Controlled Trials as Topic; Resveratrol; Stilbenes

It is extensively verified that continued oxidative stress and oxidative damage may lead to chronic inflammation, which in turn can mediate most chronic diseases including cancer, diabetes, cardiovascular, neurological, inflammatory bowel disease and pulmonary diseases. Curcumin, a yellow coloring agent extracted from turmeric, shows strong anti-oxidative and anti-inflammatory activities when used as a remedy for the prevention and treatment of chronic diseases. How oxidative stress activates inflammatory pathways leading to the progression of chronic diseases is the focus of this review. Thus, research to date suggests that chronic inflammation, oxidative stress, and most chronic diseases are closely linked, and the antioxidant properties of curcumin can play a key role in the prevention and treatment of chronic inflammation diseases.

Topics: Anti-Inflammatory Agents; Antioxidants; Chronic Disease; Curcumin; Humans; Inflammation; Medicine, Chinese Traditional; Oxidation-Reduction; Oxidative Stress

Chronic viral infections like those caused by hepatitis C virus (HCV) and human immunodeficiency virus (HIV) cause disease that establishes an ongoing state of chronic inflammation. While there have been tremendous improvements towards curing HCV with directly acting antiviral agents (DAA) and keeping HIV viral loads below detection with antiretroviral therapy (ART), there is still a need to control inflammation in these diseases. Recent studies indicate that many natural products like curcumin, resveratrol and silymarin alter cellular metabolism and signal transduction pathways via enzymes such as adenosine monophosphate kinase (AMPK) and mechanistic target of rapamycin (mTOR), and these pathways directly influence cellular inflammatory status (such as NF-κB) and immune function. Natural products represent a vast toolkit to dissect and define how cellular metabolism controls cellular immune and inflammatory function.

Topics: Biological Products; Chronic Disease; Curcumin; Hepatitis C; HIV Infections; Humans; Immunity, Cellular; Immunologic Factors; Inflammation; Resveratrol; Silymarin; Stilbenes

To examine the role of two nutritional factors implicated in the healthy aging of the Okinawans: caloric restriction; and traditional foods with potential caloric restriction-mimetic properties.. Caloric restriction is a research priority for the US National Institute on Aging. However, little is known regarding health effects in humans. Some caloric restriction-related outcomes, such as cause-specific mortality and lifespan, are not practical for human clinical trials. Therefore, epidemiological data on older Okinawans, who experienced a caloric restriction-like diet for close to half their lives, are of special interest. The nutritional data support mild caloric restriction (10-15%) and high consumption of foods that may mimic the biological effects of caloric restriction, including sweet potatoes, marine-based carotenoid-rich foods, and turmeric. Phenotypic evidence is consistent with caloric restriction (including short stature, low body weight, and lean BMI), less age-related chronic disease (including cardiovascular diseases, cancer, and dementia), and longer lifespan (mean and maximum).. Both caloric restriction and traditional Okinawan functional foods with caloric restriction-mimetic properties likely had roles in the extended healthspan and lifespan of the Okinawans. More research is needed on health consequences of caloric restriction and foods with caloric restriction-mimetic properties to identify possible nutritional interventions for healthy aging.

Topics: Aging; Caloric Restriction; Cardiovascular Diseases; Chronic Disease; Curcuma; Dementia; Diet; Functional Food; Humans; Ipomoea batatas; Japan; Longevity; Neoplasms; Seafood

Curcumin (diferuloylmethane), a yellow pigment in the spice turmeric (also called curry powder), has been used for centuries as a treatment for inflammatory diseases. Extensive research within the past two decades has shown that curcumin mediates its anti-inflammatory effects through the downregulation of inflammatory transcription factors (such as nuclear factor kappaB), enzymes (such as cyclooxygenase 2 and 5 lipoxygenase) and cytokines (such as tumor necrosis factor, interleukin 1 and interleukin 6). Because of the crucial role of inflammation in most chronic diseases, the potential of curcumin has been examined in neoplastic, neurological, cardiovascular, pulmonary and metabolic diseases. The pharmacodynamics and pharmacokinetics of curcumin have been examined in animals and in humans. Various pharmacological aspects of curcumin in vitro and in vivo are discussed in detail here.

Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Antioxidants; Chronic Disease; Curcuma; Curcumin; Drug Delivery Systems; Humans; Inflammation; Phytotherapy; Spices

The aim of this review has been to describe the current state of the therapeutic potential of curcumin in acute and chronic lung injuries. Occupational and environmental exposures to mineral dusts, airborne pollutants, cigarette smoke, chemotherapy, and radiotherapy injure the lungs, resulting in acute and chronic inflammatory lung diseases. Despite major advances in treating lung diseases, until now disease-modifying efficacy has not been demonstrated for any of the existing drugs. Current medical therapy offers only marginal benefit; therefore, there is an essential need to develop new drugs that might be of effective benefit in clinical settings. Over the years, there has been increasing evidence that curcumin, a phytochemical present in turmeric (Curcuma longa), has a wide spectrum of therapeutic properties and a remarkable range of protective effects in various diseases. Several experimental animal models have tested curcumin on lung fibrosis and these studies demonstrate that curcumin attenuates lung injury and fibrosis caused by radiation, chemotherapeutic drugs, and toxicants. The growing amount of data from pharmacological and animal studies also supports the notion that curcumin plays a protective role in chronic obstructive pulmonary disease, acute lung injury, acute respiratory distress syndrome, and allergic asthma, its therapeutic action being on the prevention or modulation of inflammation and oxidative stress. These findings give substance to the possibility of testing curcumin in patients with lung diseases.

Topics: Acute Disease; Animals; Chronic Disease; Curcumin; Disease Models, Animal; Humans; Lung Diseases; Models, Biological; Phytotherapy; Protective Agents

Unprecedented community containment measures were taken following the recent outbreak of COVID-19 in Italy. The aim of the study was to explore the self-reported future compliance of citizens with such measures and its relationship with potentially impactful psychological variables.. An online survey was completed by 931 people (18-76 years) distributed across the Italian territory. In addition to demographics, five dimensions were measured: self-reported compliance with containment measures over time (today, at 7, 14, 30, 60, 90, and 180 days from now) at three hypothetical risk levels (10, 50, 90% of likelihood of contracting the COVID-19), perceived risk, generalized anxiety, intolerance of uncertainty, and relevance of several psychological needs whose satisfaction is currently precluded.. The duration of containment measures plays a crucial role in tackling the spread of the disease as people will be less compliant over time. Psychological needs of citizens impacting on the compliance should be taken into account when planning an easing of the lockdown, along with interventions for protecting vulnerable groups from mental distress.. La apendicitis aguda (AA) es la urgencia quirúrgica abdominal más frecuente. No encontramos estudios específicos que evalúen el impacto de la pandemia causada por el coronavirus 2 (SARS-Cov-2) sobre la AA y su tratamiento quirúrgico. Analizamos la influencia de esta nueva patología sobre la AA.. Estudio observacional retrospectivo en pacientes intervenidos por AA desde enero hasta abril de 2020. Fueron clasificados según el momento de la apendicectomía, antes de la declaración del estado de alarma (Pre-COVID19) y después de la declaración del estado de alarma (Post-COVID19) en España. Se evaluaron variables demográficas, duración de la sintomatología, tipo de apendicitis, tiempo quirúrgico, estancia hospitalaria y complicaciones postoperatorias.. La pandemia por SARS-Cov-2 influye en el momento de diagnóstico de la apendicitis, así como en su grado de evolución y estancia hospitalaria. La peritonitis fue lo más frecuentemente observado. Una sospecha y orientación clínica más temprana, es necesaria para evitar un manejo inadecuado de este trastorno quirúrgico común.. The primary outcome is improvement in PaO. Findings will provide timely information on the safety, efficacy, and optimal dosing of t-PA to treat moderate/severe COVID-19-induced ARDS, which can be rapidly adapted to a phase III trial (NCT04357730; FDA IND 149634).. None.. The gut barrier is crucial in cirrhosis in preventing infection-causing bacteria that normally live in the gut from accessing the liver and other organs via the bloodstream. Herein, we characterised gut inflammation by measuring different markers in stool samples from patients at different stages of cirrhosis and comparing this to healthy people. These markers, when compared with equivalent markers usually measured in blood, were found to be very different in pattern and absolute levels, suggesting that there is significant gut inflammation in cirrhosis related to different immune system pathways to that seen outside of the gut. This provides new insights into gut-specific immune disturbances that predispose to complications of cirrhosis, and emphasises that a better understanding of the gut-liver axis is necessary to develop better targeted therapies.. La surveillance de l’intervalle QT a suscité beaucoup d’intérêt durant la pandémie de la COVID-19 en raison de l’utilisation de médicaments prolongeant l’intervalle QT et les préoccupations quant à la transmission virale par les électrocardiogrammes (ECG) en série. Nous avons posé l’hypothèse que la surveillance en continu de l’intervalle QT par télémétrie était associée à une meilleure détection des épisodes de prolongation de l’intervalle QT.. Nous avons introduit la télémétrie cardiaque en continu (TCC) à l’aide d’un algorithme de surveillance automatisée de l’intervalle QT dans nos unités de COVID-19. Les mesures automatisées quotidiennes de l’intervalle QT corrigé (auto-QTc) en fonction de la fréquence cardiaque maximale ont été enregistrées. Nous avons comparé la proportion des épisodes de prolongation marquée de l’intervalle QTc (QTc long), définie par un intervalle QTc ≥ 500 ms, chez les patients montrant une suspicion de COVID-19 ou ayant la COVID-19 qui avaient été admis avant et après la mise en place de la TCC (groupe témoin. La surveillance en continu de l’intervalle QT est supérieure à la norme de soins dans la détection des épisodes de QTc long et exige peu d’ECG. La réponse clinique aux épisodes de QTc long est sous-optimale.. Exposure to a model wildfire air pollution source modifies cardiovascular responses to HC challenge, suggesting air pollution sensitizes the body to systemic triggers.. Though the majority of HIV-infected adults who were on HAART had shown viral suppression, the rate of suppression was sub-optimal according to the UNAIDS 90-90-90 target to help end the AIDS pandemic by 2020. Nonetheless, the rate of immunological recovery in the study cohort was low. Hence, early initiation of HAART should be strengthened to achieve good virological suppression and immunological recovery.. Dust in Egyptian laying hen houses contains high concentrations of microorganisms and endotoxins, which might impair the health of birds and farmers when inhaled. Furthermore, laying hens in Egypt seem to be a reservoir for ESBL-producing Enterobacteriaceae. Thus, farmers are at risk of exposure to ESBL-producing bacteria, and colonized hens might transmit these bacteria into the food chain.. The lack of significant differences in the absolute changes and relative ratios of injury and repair biomarkers by contrast-associated AKI status suggests that the majority of mild contrast-associated AKI cases may be driven by hemodynamic changes at the kidney.. Most comparisons for different outcomes are based on very few studies, mostly low-powered, with an overall low CoE. Thus, the available evidence is considered insufficient to either support or refute CH effectiveness or to recommend one ICM over another. Therefore, further well-designed, larger RCTs are required.. PROSPERO database Identifier: CRD42016041953.. Untouched root canal at cross-section perimeter, the Hero 642 system showed 41.44% ± 5.62% and Reciproc R40 58.67% ± 12.39% without contact with instruments. Regarding the untouched area, Hero 642 system showed 22.78% ± 6.42% and Reciproc R40 34.35% ± 8.52%. Neither instrument achieved complete cross-sectional root canal debridement. Hero 642 system rotary taper 0.02 instruments achieved significant greater wall contact perimeter and area compared to reciprocate the Reciproc R40 taper 0.06 instrument.. Hero 642 achieved higher wall contact perimeter and area but, regardless of instrument size and taper, vital pulp during. The functional properties of the main mechanisms involved in the control of muscle Ca. This study showed that the anti-inflammatory effect of the iron-responsive product DHA in arthritis can be monitored by an iron-like radioactive tracer (. Attenuated vascular reactivity during pregnancy suggests that the systemic vasodilatory state partially depletes nitric oxide bioavailability. Preliminary data support the potential for MRI to identify vascular dysfunction in vivo that underlies PE. Level of Evidence 2 Technical Efficacy Stage 1 J. MAGN. RESON. IMAGING 2021;53:447-455.. La evaluación de riesgo es importante para predecir los resultados postoperatorios en pacientes con cáncer gastroesofágico. Este estudio de cohortes tuvo como objetivo evaluar los cambios en la composición corporal durante la quimioterapia neoadyuvante e investigar su asociación con complicaciones postoperatorias. MÉTODOS: Los pacientes consecutivos con cáncer gastroesofágico sometidos a quimioterapia neoadyuvante y cirugía con intención curativa entre 2016 y 2019, identificados a partir de una base de datos específica, se incluyeron en el estudio. Se utilizaron las imágenes de tomografía computarizada, antes y después de la quimioterapia neoadyuvante, para evaluar el índice de masa muscular esquelética, la sarcopenia y el índice de grasa visceral y subcutánea.. In this in vitro premature infant lung model, HF oscillation of BCPAP was associated with improved CO. Our results showed that HPC significantly promotes neurogenesis after MCAO and ameliorates neuronal injury.. Inflammatory markers are highly related to signs of systemic hypoperfusion in CS. Moreover, high PCT and IL-6 levels are associated with poor prognosis.. These findings indicate that Tetrapleura tetraptera fruit has a protective potential against stroke through modulation of redox and electrolyte imbalances, and attenuation of neurotransmitter dysregulation and other neurochemical dysfunctions. Tetrapleura tetraptera fruit could be a promising source for the discovery of bioactives for stroke therapy.

Topics: 3T3-L1 Cells; A Kinase Anchor Proteins; Acetates; Achilles Tendon; Acute Kidney Injury; Acute Pain; Acyclic Monoterpenes; Adenine Nucleotides; Adhesins, Escherichia coli; Adipocytes; Adipocytes, Brown; Adipogenesis; Administration, Inhalation; Administration, Oral; Adrenal Cortex Hormones; Adsorption; Adult; Aeromonas hydrophila; Africa; Aged; Aged, 80 and over; Agrobacterium tumefaciens; Air; Air Pollutants; Air Pollution; Air Pollution, Indoor; Algorithms; Alkaloids; Alkynes; Allosteric Regulation; Amines; Amino Acid Sequence; Amino Acids; Amino Acids, Branched-Chain; Aminoisobutyric Acids; Aminopyridines; Amyotrophic Lateral Sclerosis; Anaerobic Threshold; Angiography; Angiotensin II Type 1 Receptor Blockers; Angiotensin Receptor Antagonists; Angiotensin-Converting Enzyme Inhibitors; Animal Distribution; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Ankle Joint; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Inflammatory Agents; Antibodies, Bacterial; Antifungal Agents; Antimalarials; Antineoplastic Agents; Antineoplastic Agents, Phytogenic; Antioxidants; Antiretroviral Therapy, Highly Active; Antiviral Agents; Aotidae; Apelin; Apoptosis; Arabidopsis Proteins; Argentina; Arginine; Artemisinins; Arthritis, Experimental; Arthritis, Rheumatoid; Arthroscopy; Aspergillus; Aspergillus niger; Asteraceae; Asthma; ATP Binding Cassette Transporter, Subfamily B, Member 1; ATP Binding Cassette Transporter, Subfamily G, Member 2; Auditory Cortex; Autoantibodies; Autophagy; Bacteria; Bacterial Infections; Bacterial Proteins; Bacterial Typing Techniques; Base Composition; Base Sequence; Basketball; Beclin-1; Benzhydryl Compounds; Benzimidazoles; Benzo(a)pyrene; Benzofurans; Benzoxazines; Bereavement; beta Catenin; beta-Lactamase Inhibitors; beta-Lactamases; beta-Lactams; Betacoronavirus; Betaine; Binding Sites; Biofilms; Biological Assay; Biological Availability; Biological Evolution; Biomarkers; Biomechanical Phenomena; Biopolymers; Biopsy; Bismuth; Blood Glucose; Blood Platelets; Blood Pressure; Body Composition; Body Weight; Bone Marrow; Bone Marrow Cells; Bone Regeneration; Boron; Botrytis; Brain Ischemia; Brain Neoplasms; Brain-Derived Neurotrophic Factor; Brazil; Breast Neoplasms; Breath Tests; Bronchoalveolar Lavage Fluid; Burkholderia; C-Reactive Protein; Caenorhabditis elegans; Caenorhabditis elegans Proteins; Calcification, Physiologic; Calcium; Calcium Signaling; Calorimetry, Differential Scanning; Cameroon; Camptothecin; Candida; Candida albicans; Capillaries; Carbapenem-Resistant Enterobacteriaceae; Carbapenems; Carbohydrate Conformation; Carbon; Carbon Dioxide; Carbon Isotopes; Carcinoma, Ovarian Epithelial; Cardiac Output; Cardiomyopathy, Hypertrophic; Cardiotonic Agents; Cardiovascular Diseases; Caregivers; Carps; Case-Control Studies; Catalase; Catalysis; Cats; CD4 Lymphocyte Count; Cell Culture Techniques; Cell Differentiation; Cell Line, Tumor; Cell Membrane; Cell Movement; Cell Proliferation; Cell Survival; Cells, Cultured; Cellulose; Centrosome; Ceratopogonidae; Chickens; Child; China; Cholera Toxin; Choline; Cholinesterases; Chromatography, High Pressure Liquid; Chromatography, Liquid; Chromatography, Micellar Electrokinetic Capillary; Chromatography, Reverse-Phase; Chronic Disease; Cinnamates; Cities; Citrates; Climate Change; Clinical Trials, Phase III as Topic; Coal; Coal Mining; Cohort Studies; Coinfection; Colchicine; Colony Count, Microbial; Colorectal Neoplasms; Coloring Agents; Common Cold; Complement Factor H; Computational Biology; Computer Simulation; Continuous Positive Airway Pressure; Contrast Media; Coordination Complexes; Coronary Artery Bypass; Coronavirus 3C Proteases; Coronavirus Infections; Coronavirus Protease Inhibitors; Corynebacterium glutamicum; Cosmetics; COVID-19; Creatinine; Cross-Sectional Studies; Crotonates; Crystallography, X-Ray; Cues; Culicidae; Culture Media; Curcuma; Cyclopentanes; Cyclopropanes; Cymbopogon; Cystine; Cytochrome P-450 CYP2B6; Cytochrome P-450 CYP2C19; Cytochrome P-450 CYP2C19 Inhibitors; Cytokines; Databases, Genetic; Death; Dendritic Cells; Density Functional Theory; Depsides; Diabetes Mellitus, Type 2; Diamond; Diarylheptanoids; Dibenzofurans; Dibenzofurans, Polychlorinated; Diclofenac; Diet; Dietary Carbohydrates; Dietary Supplements; Diffusion Magnetic Resonance Imaging; Dioxins; Diphenylamine; Disease Outbreaks; Disease Susceptibility; Disulfides; Dithiothreitol; Dizocilpine Maleate; DNA Methylation; DNA-Binding Proteins; DNA, Bacterial; Dogs; Dose-Response Relationship, Drug; Double-Blind Method; Doublecortin Protein; Drosophila melanogaster; Droughts; Drug Carriers; Drug Combinations; Drug Delivery Systems; Drug Liberation; Drug Resistance; Drug Resistance, Bacterial; Drug Resistance, Neoplasm; Drug Screening Assays, Antitumor; Dust; Dynactin Complex; Dysferlin; Echo-Planar Imaging; Echocardiography; Edaravone; Egypt; Elasticity; Electrodes; Electrolytes; Emodin; Emtricitabine; Endometriosis; Endothelium, Vascular; Endotoxins; Energy Metabolism; Energy Transfer; Enterobacteriaceae; Enterococcus faecalis; Enterotoxigenic Escherichia coli; Environmental Monitoring; Enzyme Inhibitors; Epidemiologic Factors; Epigenesis, Genetic; Erythrocytes; Escherichia coli; Escherichia coli Infections; Escherichia coli Vaccines; Esophageal Neoplasms; Esophagectomy; Esophagogastric Junction; Esterases; Esterification; Ethanol; Ethiopia; Ethnicity; Eucalyptus; Evidence-Based Practice; Exercise; Exercise Tolerance; Extracorporeal Membrane Oxygenation; Family; Fatty Acids; Feedback; Female; Ferric Compounds; Fibrin Fibrinogen Degradation Products; Filtration; Fish Diseases; Flavonoids; Flavonols; Fluorodeoxyglucose F18; Follow-Up Studies; Food Microbiology; Food Preservation; Forests; Fossils; Free Radical Scavengers; Freund's Adjuvant; Fruit; Fungi; Gallium; Gender Identity; Gene Expression Regulation; Gene Expression Regulation, Neoplastic; Gene Expression Regulation, Plant; Gene Knockdown Techniques; Genes, Bacterial; Genes, Plant; Genetic Predisposition to Disease; Genitalia; Genotype; Glomerulonephritis, IGA; Glottis; Glucocorticoids; Glucose; Glucuronides; Glutathione Transferase; Glycogen Synthase Kinase 3 beta; Gram-Negative Bacterial Infections; Gram-Positive Bacterial Infections; Grassland; Guinea Pigs; Half-Life; Head Kidney; Heart Atria; Heart Rate; Heart Septum; HEK293 Cells; Hematopoietic Stem Cells; Hemodynamics; Hep G2 Cells; Hepacivirus; Hepatitis C; Hepatitis C, Chronic; Hepatocytes; Hesperidin; High-Frequency Ventilation; High-Temperature Requirement A Serine Peptidase 1; Hippocampus; Hirudins; History, 20th Century; History, 21st Century; HIV Infections; Homeostasis; Hominidae; Housing, Animal; Humans; Hydrocarbons, Brominated; Hydrogen Bonding; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxybutyrates; Hydroxyl Radical; Hypertension; Hypothyroidism; Image Interpretation, Computer-Assisted; Immunoconjugates; Immunogenic Cell Death; Indoles; Infant, Newborn; Infant, Premature; Infarction, Middle Cerebral Artery; Inflammation; Inflammation Mediators; Infrared Rays; Inhibitory Concentration 50; Injections, Intravenous; Interferon-gamma; Interleukin-23; Interleukin-4; Interleukin-6; Intermediate Filaments; Intermittent Claudication; Intestine, Small; Iridoid Glucosides; Iridoids; Iron; Isomerism; Isotope Labeling; Isoxazoles; Itraconazole; Kelch-Like ECH-Associated Protein 1; Ketoprofen; Kidney Failure, Chronic; Kinetics; Klebsiella pneumoniae; Lactams, Macrocyclic; Lactobacillus; Lactulose; Lakes; Lamivudine; Laparoscopy; Laparotomy; Laryngoscopy; Leucine; Limit of Detection; Linear Models; Lipid A; Lipopolysaccharides; Listeria monocytogenes; Liver; Liver Cirrhosis; Logistic Models; Longitudinal Studies; Losartan; Low Back Pain; Lung; Lupinus; Lupus Erythematosus, Systemic; Machine Learning; Macular Degeneration; Madin Darby Canine Kidney Cells; Magnetic Phenomena; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Magnetics; Malaria, Falciparum; Male; Mannans; MAP Kinase Signaling System; Mass Spectrometry; Melatonin; Membrane Glycoproteins; Membrane Proteins; Meniscectomy; Menisci, Tibial; Mephenytoin; Mesenchymal Stem Cells; Metal Nanoparticles; Metal-Organic Frameworks; Methionine; Mice; Mice, Inbred C57BL; Mice, Knockout; Mice, Nude; Mice, Obese; Mice, Transgenic; Microbial Sensitivity Tests; Microcirculation; MicroRNAs; Microscopy, Video; Microtubules; Microvascular Density; Microwaves; Middle Aged; Minimally Invasive Surgical Procedures; Models, Animal; Models, Biological; Models, Molecular; Models, Theoretical; Molecular Docking Simulation; Molecular Structure; Molecular Weight; Morus; Mouth Floor; Multicenter Studies as Topic; Multiple Sclerosis; Multiple Sclerosis, Relapsing-Remitting; Muscle, Skeletal; Myocardial Ischemia; Myocardium; NAD; NADP; Nanocomposites; Nanoparticles; Naphthols; Nasal Lavage Fluid; Nasal Mucosa; Neisseria meningitidis; Neoadjuvant Therapy; Neoplasm Invasiveness; Neoplasm Recurrence, Local; Neoplasms, Experimental; Neural Stem Cells; Neuroblastoma; Neurofilament Proteins; Neurogenesis; Neurons; New York; NF-E2-Related Factor 2; NF-kappa B; Nicotine; Nitriles; Nitrogen; Nitrogen Fixation; North America; Observer Variation; Occupational Exposure; Ochrobactrum; Oils, Volatile; Olea; Oligosaccharides; Omeprazole; Open Field Test; Optimism; Oregon; Oryzias; Osmolar Concentration; Osteoarthritis; Osteoblasts; Osteogenesis; Ovarian Neoplasms; Ovariectomy; Oxadiazoles; Oxidation-Reduction; Oxidative Stress; Oxygen; Ozone; p38 Mitogen-Activated Protein Kinases; Pakistan; Pandemics; Particle Size; Particulate Matter; Patient-Centered Care; Pelargonium; Peptides; Perception; Peripheral Arterial Disease; Peroxides; Pets; Pharmaceutical Preparations; Pharmacogenetics; Phenobarbital; Phenols; Phenotype; Phosphates; Phosphatidylethanolamines; Phosphines; Phospholipids; Phosphorus; Phosphorylation; Photoacoustic Techniques; Photochemotherapy; Photosensitizing Agents; Phylogeny; Phytoestrogens; Pilot Projects; Plant Components, Aerial; Plant Extracts; Plant Immunity; Plant Leaves; Plant Oils; Plants, Medicinal; Plasmodium berghei; Plasmodium falciparum; Platelet Activation; Platelet Function Tests; Pneumonia, Viral; Poaceae; Pogostemon; Poloxamer; Poly I; Poly(ADP-ribose) Polymerase Inhibitors; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Polycyclic Compounds; Polyethylene Glycols; Polylysine; Polymorphism, Genetic; Polymorphism, Single Nucleotide; Population Dynamics; Portasystemic Shunt, Transjugular Intrahepatic; Positron Emission Tomography Computed Tomography; Postoperative Complications; Postprandial Period; Potassium Cyanide; Predictive Value of Tests; Prefrontal Cortex; Pregnancy; Prepulse Inhibition; Prevalence; Procalcitonin; Prodrugs; Prognosis; Progression-Free Survival; Proline; Proof of Concept Study; Prospective Studies; Protein Binding; Protein Conformation; Protein Domains; Protein Folding; Protein Multimerization; Protein Sorting Signals; Protein Structure, Secondary; Proton Pump Inhibitors; Protozoan Proteins; Psychometrics; Pulse Wave Analysis; Pyridines; Pyrrolidines; Quality of Life; Quantum Dots; Quinoxalines; Quorum Sensing; Radiopharmaceuticals; Rain; Random Allocation; Randomized Controlled Trials as Topic; Rats; Rats, Sprague-Dawley; Rats, Wistar; RAW 264.7 Cells; Reactive Oxygen Species; Receptor, Angiotensin, Type 1; Receptor, PAR-1; Receptors, CXCR4; Receptors, Estrogen; Receptors, Glucocorticoid; Receptors, Interleukin-1; Receptors, Interleukin-17; Receptors, Notch; Recombinant Fusion Proteins; Recombinant Proteins; Reducing Agents; Reflex, Startle; Regional Blood Flow; Regression Analysis; Reperfusion Injury; Reproducibility of Results; Republic of Korea; Respiratory Tract Diseases; Retrospective Studies; Reverse Transcriptase Inhibitors; Rhinitis, Allergic; Risk Assessment; Risk Factors; Rituximab; RNA, Messenger; RNA, Ribosomal, 16S; ROC Curve; Rosmarinic Acid; Running; Ruthenium; Rutin; Sarcolemma; Sarcoma; Sarcopenia; Sarcoplasmic Reticulum; SARS-CoV-2; Scavenger Receptors, Class A; Schools; Seasons; Seeds; Sequence Analysis, DNA; Severity of Illness Index; Sex Factors; Shock, Cardiogenic; Short Chain Dehydrogenase-Reductases; Signal Transduction; Silver; Singlet Oxygen; Sinusitis; Skin; Skin Absorption; Small Molecule Libraries; Smoke; Socioeconomic Factors; Soil; Soil Microbiology; Solid Phase Extraction; Solubility; Solvents; Spain; Spectrometry, Mass, Electrospray Ionization; Spectroscopy, Fourier Transform Infrared; Speech; Speech Perception; Spindle Poles; Spleen; Sporothrix; Staphylococcal Infections; Staphylococcus aureus; Stereoisomerism; Stomach Neoplasms; Stress, Physiological; Stroke Volume; Structure-Activity Relationship; Substrate Specificity; Sulfonamides; Surface Properties; Surface-Active Agents; Surveys and Questionnaires; Survival Rate; T-Lymphocytes, Cytotoxic; Tandem Mass Spectrometry; Temperature; Tenofovir; Terpenes; Tetracycline; Tetrapleura; Textiles; Thermodynamics; Thiobarbituric Acid Reactive Substances; Thrombin; Thyroid Hormones; Thyroid Neoplasms; Tibial Meniscus Injuries; Time Factors; Tissue Distribution; Titanium; Toluidines; Tomography, X-Ray Computed; Tooth; Tramadol; Transcription Factor AP-1; Transcription, Genetic; Transfection; Transgender Persons; Translations; Treatment Outcome; Triglycerides; Ubiquinone; Ubiquitin-Specific Proteases; United Kingdom; United States; Up-Regulation; Vascular Stiffness; Veins; Ventricular Remodeling; Viral Load; Virulence Factors; Virus Replication; Vitis; Voice; Voice Quality; Wastewater; Water; Water Pollutants, Chemical; Water-Electrolyte Balance; Weather; Wildfires; Wnt Signaling Pathway; Wound Healing; X-Ray Diffraction; Xenograft Model Antitumor Assays; Young Adult; Zoogloea

Osteoarthritis is the most common articular disease that can lead to chronic pain and severe disability. Curcumin-an effective ingredient in turmeric with anti inflammatory property-plays an important role in protecting the joints against destructive factors. Gingerols and piperine, are the effective ingredients of ginger and black pepper, which may potentially enhance and sustain the effect of curcumin in this direction. To determine the effect of cosupplementation with turmeric extract, black pepper, and ginger on prostaglandin E

Topics: Anti-Inflammatory Agents, Non-Steroidal; Chronic Disease; Curcuma; Curcumin; Double-Blind Method; Female; Humans; Male; Middle Aged; Naproxen; Osteoarthritis, Knee; Piper nigrum; Plant Extracts; Zingiber officinale

Considering the recent interest in free (unconjugated) curcuminoids delivery, the present study investigated the efficacy of a novel food-grade free-curcuminoids delivery system (curcumin-galactomannoside complex; CGM) in improving the hepatic function markers (inflammation and oxidative stress) in chronic alcoholics. The double-blinded, placebo-controlled study randomized 48 subjects with elevated serum transaminases and gamma-glutamyl transferase (GGT) levels, who were allocated to two groups (n=24) and to receive either placebo or CGM at (250 mg × 2)/day for 8 weeks. While liver function markers (transaminases and GGT) in the placebo group showed an increase (~ 9.5%), CGM group indicated a significant decrease in transaminases (31%) and GGT (29%) from the baseline levels. The beneficial effect of CGM was also clear from the significant increase (p <0.001) in endogenous antioxidants (GSH, SOD, and GPx) and decrease in inflammatory markers (IL-6 and CRP) levels (p <0.001) as compared to both the baseline and placebo group. To summarize, the nutritional intervention of CGM-curcumin was found to offer a significant hepatoprotective effect to attenuate the alcohol induced alterations to hepatic function markers. The Indian Medical Council and Drug Controller General of India approved Clinical Trial Registry No. CTRI/2018/03/012385.

Topics: Adult; Alcoholism; Biomarkers; Chronic Disease; Curcumin; Double-Blind Method; Drug Delivery Systems; gamma-Glutamyltransferase; Humans; Liver; Male; Middle Aged; Transaminases

Oxidative stress plays a key role in the development of chronic pulmonary complications of sulfur mustard (SM). Curcuminoids are polyphenols with documented safety and antioxidant activity. The present study aimed to investigate the efficacy of short-term supplementation with curcuminoids (co-administered with piperine to enhance the bioavailability of curcuminoids) in alleviating systemic oxidative stress and clinical symptoms, and improvement of health-related quality of life (HRQoL) in subjects suffering from chronic pulmonary complications due to SM exposure who are receiving standard respiratory treatments. Eighty-nine subjects were recruited to this randomized double-blind placebo-controlled trial, being randomly allocated to either curcuminoids (1500 mg/day) + piperine (15 mg/day) combination (n = 45) or placebo (n = 44) for a period of 4 weeks. High-resolution computed tomography suggested the diagnosis of bronchiolitis obliterans in all subjects. Efficacy measures were changes in serum levels of reduced glutathione (GSH) and malonedialdehyde (MDA). The severity and frequency of respiratory symptoms and HRQoL were also assessed using St. George respiratory Questionnaire (SGRQ) and COPD Assessment Test (CAT) indices. Serum levels of GSH were increased whilst those of MDA decreased by the end of trial in both groups. Likewise, there were significant improvements in the total as well as subscale (symptoms, activity and impact) SGRQ and CAT scores in both groups. However, comparison of magnitude of changes revealed a greater effect of curcuminoids-piperine combination compared to placebo in elevating GSH, reducing MDA and improving CAT and SGRQ (total and subscale) scores (p < 0.001). Regarding the promising effects of curcuminoids on the measures of systemic oxidative stress, clinical symptoms and HRQoL, these phytochemicals may be used as safe adjuvants in patients suffering from chronic SM-induced pulmonary complications who are receiving standard treatments.

Topics: Adult; Alkaloids; Antioxidants; Benzodioxoles; Bronchiolitis; Chronic Disease; Curcuma; Curcumin; Double-Blind Method; Glutathione; Humans; Male; Malondialdehyde; Middle Aged; Mustard Gas; Oxidative Stress; Phytotherapy; Piper; Piperidines; Plant Extracts; Polyphenols; Polyunsaturated Alkamides; Pulmonary Disease, Chronic Obstructive; Quality of Life; Respiratory Function Tests

Pulmonary problems are among the most frequent chronic complications of sulfur mustard (SM) intoxication and are often accompanied by deregulated production of pro-inflammatory cytokines. Curcuminoids, comprising curcumin, demethoxycurcumin and bisdemethoxycurcumin, are phytochemicals with remarkable anti-inflammatory properties that are derived from dried rhizomes of the plant Curcuma longa L. (turmeric). The present pilot study aimed to investigate the clinical effects of supplementation with curcuminoids on markers of pulmonary function and systemic inflammation in SM-intoxicated subjects. In a randomized double-blind placebo-controlled trial, 89 male subjects who were suffering from chronic SM-induced pulmonary complications were recruited and assigned to either curcuminoids (500 mg TID per oral; n=45) or placebo (n=44) for a period of 4 weeks. Efficacy measures were changes in the spirometric parameters (FVC, FEV1, FEV1/FVC) and serum levels of inflammatory mediators including interleukins 6 (IL-6) and 8 (IL-8), tumor necrosis factor-α (TNFα), transforming growth factor-β (TGFβ), high-sensitivity C-reactive protein (hs-CRP), calcitonin gene related peptide (CGRP), substance P and monocyte chemotactic protein-1 (MCP-1). 78 subjects completed the trial. Although FEV1 and FVC remained comparable between the groups, there was a greater effect of curcuminoids vs. placebo in improving FEV1/FVC (p=0.002). Curcuminoids were also significantly more efficacious compared to placebo in modulating all assessed inflammatory mediators: IL-6 (p<0.001), IL-8 (p=0.035), TNFα (p<0.001), TGFβ (p<0.001), substance P (p=0.016), hs-CRP (p<0.001), CGRP (p<0.001) and MCP-1 (p<0.001). Curcuminoids were safe and well-tolerated throughout the trial. Short-term adjunctive therapy with curcuminoids can suppress systemic inflammation in patients suffering from SM-induced chronic pulmonary complications.

Topics: Adult; Anti-Inflammatory Agents; Chemical Warfare Agents; Chronic Disease; Curcumin; Cytokines; Diarylheptanoids; Double-Blind Method; Forced Expiratory Volume; Humans; Inflammation; Inflammation Mediators; Lung Diseases; Male; Middle Aged; Mustard Gas; Pilot Projects; Treatment Outcome; Vital Capacity

To evaluate the efficacy of curcumin mouthwash as an adjunct to scaling and root planing in the treatment of chronic gingivitis and to compare curcumin to chlorhexidine in terms of its anti-inflammatory and anti-microbial properties.. Thirty patients aged 20-40 years with generalised chronic gingivitis were included in the study. They were randomly divided into 3 groups of 10 each. In group 1, patients underwent scaling and root planing followed by chlorhexidine mouthwash (SRP/CHX Gr-1); in group 2, patients underwent scaling and root planing followed by curcumin mouthwash (SRP/CUR Gr-2); in group 3, patients underwent only scaling and root planing (SRP Gr-3). Gingival and plaque indices were recorded at baseline (day 0) and 7, 14 and 21 days. Differences between the groups were statistically analysed.. The clinical parameters showed improvement in all the three groups compared to baseline. When compared to the scaling and root planing group (Gr-3), both curcumin and chlorhexidine groups were found to have statistically significantly better results (P < 0.05). However, when curcumin and chlorhexidine groups were compared, the gingival (Löe and Silness) and plaque index (Silness and Löe) scores were not found to be statistically significant (P > 0.05).. Curcumin is comparable to chlorhexidine as an anti-inflammatory mouthwash. Thus, it can be considered as an effective adjunct to mechanical periodontal therapy.

Topics: Adult; Analysis of Variance; Anti-Infective Agents, Local; Anti-Inflammatory Agents, Non-Steroidal; Chlorhexidine; Chronic Disease; Curcumin; Dental Plaque Index; Dental Scaling; Gingivitis; Humans; India; Mouthwashes; Periodontal Index; Pilot Projects; Young Adult

Skin is among the first and most heavily damaged organs upon sulphur mustard (SM) exposure. Pruritus is the most common chronic skin complication of SM, which adversely affects the quality of life (QoL). However, current therapies for the management of SM-induced pruritus are very limited and associated with side effects. The present trial investigated the efficacy of curcumin in the alleviation of SM-induced chronic pruritic symptoms. A total of ninety-six male Iranian veterans (age 37-59 years) were randomised to receive either curcumin (1 g/d, n 46) or placebo (n 50) for 4 weeks. Serum concentrations of substance P and activities of antioxidant enzymes were measured at baseline and at the end of the trial. Assessment of pruritus severity was performed using the pruritus score, visual analogue scale (VAS) and scoring atopic dermatitis (SCORAD) index. QoL was evaluated using the Dermatology Life Quality Index (DLQI) questionnaire. Serum concentrations of substance P (P<0·001) as well as activities of superoxide dismutase (P=0·02), glutathione peroxidase (P=0·006) and catalase (P<0·001) were significantly reduced in the curcumin group, while no significant change was observed in the placebo group. Curcumin supplementation was also associated with significant reductions in measures of pruritus severity including the pruritus score (P<0·001), VAS score (P<0·001), overall (P<0·001) and objective SCORAD (P=0·009), and DLQI's first question (P<0·001). None of these measures was significantly changed in the placebo group. As for the QoL, although DLQI scores decreased in both groups (P<0·001 and P=0·003 in the curcumin and placebo groups, respectively), the magnitude of reduction was significantly greater in the curcumin group (P<0·001). In conclusion, curcumin may be regarded as a natural, safe, widely available and inexpensive treatment for the management of SM-induced chronic pruritus.

Topics: Adult; Antioxidants; Antipruritics; Chemical Warfare Agents; Chronic Disease; Curcumin; Dietary Supplements; Double-Blind Method; Humans; Iran; Irritants; Male; Middle Aged; Mustard Gas; Oxidoreductases; Pruritus; Quality of Life; Severity of Illness Index; Substance P; Surveys and Questionnaires; Veterans

Curcumin, obtained from rhizomes of Curcuma longa, was administered orally to patients suffering from chronic anterior uveitis (CAU) at a dose of 375 mg three times a day for 12 weeks. Of 53 patients enrolled, 32 completed the 12-week study. They were divided into two groups: one group of 18 patients received curcumin alone, whereas the other group of 14 patients, who had a strong PPD reaction, in addition received antitubercular treatment. The patients in both the groups started improving after 2 weeks of treatment. All the patients who received curcumin alone improved, whereas the group receiving antitubercular therapy along with curcumin had a response rate of 86%. Follow up of all the patients for the next 3 years indicated a recurrence rate of 55% in the first group and of 36% in the second group. Four of 18 (22%) patients in the first group and 3 of 14 patients (21%) in the second group lost their vision in the follow up period due to various complications in the eyes, e.g. vitritis, macular oedema, central venous block, cataract formation, glaucomatous optic nerve damage etc. None of the patients reported any side effect of the drug. The efficacy of curcumin and recurrences following treatment are comparable to corticosteroid therapy which is presently the only available standard treatment for this disease. The lack of side effects with curcumin is its greatest advantage compared with corticosteroids. A double blind multi-centric clinical trial with this drug in CAU is highly desirable to further validate the results of the present study.

Topics: Adult; Aged; Chronic Disease; Curcumin; Female; Humans; Male; Middle Aged; Treatment Outcome; Uveitis, Anterior

Topics: Adult; Biliary Tract Diseases; Chronic Disease; Clinical Trials as Topic; Curcumin; Drug Combinations; Drug Evaluation; Humans; Middle Aged; Pancreatin; Plant Extracts; Plants, Medicinal

Chronic diseases or non-communicable diseases are a major burden worldwide due to the lack of highly efficacious treatment modalities and the serious side effects associated with the available therapies.. A novel self-emulsifying formulation of curcumin with fenugreek galactomannan hydrogel scaffold as a water-dispersible non-covalent curcumin-galactomannan molecular complex (curcumagalactomannosides, CGM) has shown better bioavailability than curcumin and can be used for the prevention and treatment of chronic diseases. However, the exact potential of this formulation has not been studied, which would pave the way for its use for the prevention and treatment of multiple chronic diseases.. The whole transcriptome analysis (RNAseq) was used to identify differentially expressed genes (DEGs) in the liver tissues of mice treated with LPS to investigate the potential of CGM on the prevention and treatment of chronic diseases. Expression analysis using DESeq2 package, GO, and pathway analysis of the differentially expressed transcripts was performed using UniProtKB and KEGG-KAAS server.. The results showed that 559 genes differentially expressed between the liver tissue of control mice and CGM treated mice (100 mg/kg b.wt. for 14 days), with adjusted p-value below 0.05, of which 318 genes were significantly upregulated and 241 were downregulated. Further analysis showed that 33 genes which were upregulated (log2FC > 8) in the disease conditions were significantly downregulated, and 32 genes which were downregulated (log2FC < -8) in the disease conditions were significantly upregulated after the treatment with CGM.. Overall, our study showed CGM has high potential in the prevention and treatment of multiple chronic diseases.

Topics: Animals; Biological Availability; Chronic Disease; Computational Biology; Curcumin; Drug Combinations; Drug Compounding; Female; Galactose; Mannans; Mice; Mice, Inbred BALB C; Sequence Analysis, RNA; Trigonella

Curcumin (Cur) is a natural polyphenolic flavonoid isolated from the rhizomes of Curcuma longa. Its anti-inflammatory and cardioprotective properties are increasingly considered to have beneficial effects on the progression of cardiomyopathy associated with Chagas disease, caused by Trypanosoma cruzi. However, the Cur therapeutic limitation is its bioavailability and new Cur nanomedicine formulations are developed to overcome this obstacle. In this research, we provide evidence showing that oral therapy with a suboptimal dose of the standard parasiticidal drug benznidazole (BZ) in combination with Cur-loaded nanoparticles is capable of reducing myocardial parasite load, cardiac hypertrophy, inflammation and fibrosis in mice with long-term infection by T. cruzi. Treatment with BZ plus Cur was highly effective in downregulating myocardial expression of proinflammatory cytokines/chemokines (IL-1β, TNF-α, IL-6, CCL5), and the level/activity of matrix metalloproteinases (MMP-2, MMP-9) and inducible enzymes (cyclooxygenase, nitric oxide synthase) implicated in leukocyte recruitment and cardiac remodeling. Oral administration of a Cur-based nanoformulation displays potential as a complementary strategy to the conventional BZ chemotherapy in the treatment of chronic Chagas heart disease.

Topics: Animals; Chagas Cardiomyopathy; Chronic Disease; Curcumin; Female; Male; Mice; Mice, Inbred C57BL; Nitroimidazoles; Trypanocidal Agents; Trypanosoma cruzi

Obesity has been recognized as a major risk factor for the development of chronic kidney disease, which is accompanied by increased renal inflammation, fibrosis, and apoptosis. C66 is a curcumin derivative that exerts anti-inflammatory effects by inhibiting the JNK pathway and prevents diabetic nephropathy. The present study investigates the possible protective effect of C66 on high-fat diet (HFD)-induced obesity-related glomerulopathy. Mice were fed with HFD for 8 weeks while some were treated with C66 every 2 days for 11 weeks. The HFD-fed mice developed renal dysfunction, as well as elevated triglyceride and cholesterol. Kidneys of the HFD-fed mice showed marked glomerular injuries, apoptosis, and inflammation with markedly increased cytokine production. Interestingly, treating HFD-fed mice with C66 remarkably reversed these pathological changes via inhibiting inflammation and NF-κB/JNK activation. In cultured mesangial cells, Palmitic Acid was able to activate the pro-fibrotic mechanisms, apoptosis, inflammatory response, and NF-κB and JNK signaling pathways, all of which could be attenuated by C66 treatment. In all, we demonstrated that curcumin analogue C66 attenuates obesity-induced renal injury by inhibiting chronic inflammation and apoptosis via targeting NF-κB and JNK. Our data suggest that C66 can be potentially used to prevent obesity-associated renal diseases warranting future investigations.

Topics: Animals; Anti-Inflammatory Agents; Apoptosis; Cholesterol; Chronic Disease; Curcumin; Cytokines; Diet, High-Fat; Kidney Diseases; Kidney Glomerulus; Male; MAP Kinase Signaling System; Mice; Mice, Inbred C57BL; NF-kappa B; Obesity; Triglycerides

Topics: Animals; Apolipoproteins E; Atherosclerosis; Chronic Disease; Curcumin; Immunomodulating Agents; Inflammation; Interleukin-10; Lipids; Mice; Mice, Inbred C57BL; Neuroprotection

Multiple sclerosis (MS) is an autoimmune disease, associated with central nervous system (CNS) inflammation, demyelination, and axonal loss. Myelin, a multilayer membranous that covers nerve fibers, is essential for rapid impulse conduction. Oligodendrocytes that are generated either from CNS-resident oligodendrocyte progenitor cells (OPCs) or subventricular zone-derived neural stem cells (NSCs) are the myelinating cells of the CNS. The adult CNS maintains a certain endogenous potential to repair myelin damage. However, this process often fails as MS progresses. The origin of this failure is not fully understood, but it is likely to relate to progenitors/stem cells' arrestment in a quiescent state, incapable of generating new oligodendrocyte. Current treatments for MS are immunomodulatory or immunosuppressive medications, with little to no effect on myelin restoration. Recent studies have provided proof-of-principle that CNS remyelination can be promoted either via enhancing endogenous remyelination or by transplanting myelinating cells. Curcumin, a natural polyphenolic compound, has been shown to have therapeutic properties in several neurodegenerative diseases. Here, we investigated the effect of a curcumin nanoformulation, dendrosomal nanoparticles (DNC) on oligodendrogenesis and remyelination, both in vitro and in animal model of demyelination. We indicated that DNC enhanced oligodendrogenesis from NSCs and OPCs, in vitro in dose dependent manner. DNC also induced in vivo remyelination via promotion of oligodendrogenesis. Furthermore, DNC enhanced remyelination capacity of transplanted NSCs through promoting their survival and oligodendrogenesis capacity. Our findings suggest that DNC has significant beneficial effects in demyelinating conditions, either as mono-therapy or as being paired with transplantation approaches.

Topics: Acute Disease; Animals; Astrocytes; Cell Differentiation; Cell Lineage; Cell Proliferation; Cell Survival; Cells, Cultured; Chronic Disease; Cuprizone; Curcumin; Demyelinating Diseases; Disease Models, Animal; Embryo, Mammalian; Male; Mice, Inbred C57BL; Nanoparticles; Neural Stem Cells; Neurogenesis; Oligodendroglia; Remyelination

Toxoplasmosis is a zoonotic protozoal disease caused by Toxoplasma gondii, an intracellular opportunistic protozoan parasite that can infect any warm-blooded vertebrate cell. In this study, zirconium, and iron-based metal-organic framework was prepared according to the solvothermal method. New nanocomposite (Curcumin@MOFs) was prepared by reacting curcumin with amino-functionalized metal-organic frameworks (Fe-MOF and UiO-66-NH

Topics: Animals; Biological Products; Brain; Chronic Disease; Curcumin; Female; Immunoglobulin G; Liver; Metal-Organic Frameworks; Microscopy, Electron, Scanning; Nanocomposites; Nanomedicine; Porosity; Powders; Rats; Spiramycin; Spleen; Toxoplasma; Toxoplasmosis; X-Ray Diffraction; Zirconium

Curcumin, isolated from rhizome of turmeric, has been widely studied as a potential therapeutic drug for cancer. However, protective effects of curcumin on chronic heart failure (CHF) have not been fully studied. In the present study, the effects of curcumin on CHF and the underlying mechanisms were investigated. A total of 40 rabbits were randomized into 4 groups: Control rabbits fed with placebo (Con) or curcumin (Con‑cur), CHF rabbits fed with placebo (CHF) or curcumin (CHF‑cur). CHF was induced by volume and pressure overload. The effects of curcumin on cardiac function and left ventricular (LV) structure were assessed by echocardiography and histology. The effects of curcumin on CHF molecular biomarkers were detected by dihydroethidium and immunohistochemical staining. The effects of curcumin on Dickkopf‑related protein 3 (DKK‑3), p38 mitogen‑activated protein kinase (p38), c‑Jun N‑terminal kinase (JNK) and apoptosis signal‑regulating kinase 1 (ASK1) were assessed by immunohistochemical staining and western blot analysis. Cardiac dysfunction and LV remodeling were successfully produced by ten weeks volume overload and eight weeks pressure overload in the CHF group. Compared with the Con group, the CHF group demonstrated higher levels of CHF molecular biomarkers, a lower level of DKK‑3 expression and alterations of p38, JNK and ASK1 protein expression. Curcumin alleviated all those abnormalities markedly in the CHF‑cur group. In summary, curcumin may exert cardioprotective effects by up‑regulating DKK‑3, which in turn may inhibit p38 and JNK signaling pathways in an ASK1‑dependent way. The present study demonstrated that Dickkopf‑3 upregulation mediates the cardioprotective effects of curcumin on chronic heart failure for the first time.

Topics: Animals; Cardiotonic Agents; Chronic Disease; Curcumin; Heart; Heart Failure; Intercellular Signaling Peptides and Proteins; Male; Myocardium; Rabbits; Up-Regulation

Topics: Animals; Aquaporin 4; Astrocytes; Brain; Brain Edema; Brain Injuries; Chronic Disease; Corticosterone; Curcumin; Disease Models, Animal; Gliosis; Hypoxia; Male; Mice, Inbred BALB C; Neurons; Neuroprotective Agents; p38 Mitogen-Activated Protein Kinases; Random Allocation; Signal Transduction

Klotho, which is a life extension factor, and erythropoietin (EPO) have been introduced as effective neuroprotective factors in several neurological disorders. The present study is an attempt to examine the potential role of klotho and EPO in therapeutic effect of curcumin-loaded nanoparticles (NPs) in pentylenetetrazol (PTZ)-induced kindling model. In order to induce the kindling model, PTZ was administrated intraperitoneally (i.p.) at dose of 36.5 mg/kg every other day for 20 days. Male NMRI mice received pre-treatment of free curcumin or curcumin-loaded NPs (12.5 mg/kg, i.p.) 10 days before PTZ injection and this was continued until 1 h before each PTZ injection. Immunostaining against NeuN, as a marker of neuronal maturation, and EPO was performed on hippocampal brain sections. Quantitative real time polymerase chain reaction (qRT-PCR) was conducted to assess the expression levels of tumor necrosis factor-α (TNF-α), klotho and EPO in the hippocampus. Immunostaining data indicated that treatment with curcumin-loaded NPs significantly alleviates the neuronal cell death in PTZ receiving animals. Curcumin-loaded NPs effectively upregulated the levels of EPO and klotho in PTZ receiving animals. Furthermore, mRNA level of TNF-α was considerably reduced in animals undergone curcumin-loaded NPs treatment. Overall, the results of this study suggest that downregulation of TNF-α and consequent upregulation of klotho and EPO might contribute to the neuroprotective effect of curcumin-loaded NPs in experimental model of epilepsy.

Topics: Animals; Chronic Disease; Curcumin; Disease Models, Animal; DNA-Binding Proteins; Drug Carriers; Epilepsy; Erythropoietin; Glucuronidase; Hippocampus; Kindling, Neurologic; Klotho Proteins; Male; Mice; Nanoparticles; Nerve Tissue Proteins; Neurons; Neuroprotection; Neuroprotective Agents; Nuclear Proteins; Pentylenetetrazole; Random Allocation; Tumor Necrosis Factor-alpha; Up-Regulation

The aim of this study was to prepare curcumin nanoemulsion (CR-NE) to solve the problems associated with poor water solubility and low bioavailability of CR and to test its efficiency in the treatment of acute and chronic toxoplasmosis in mouse models.. The mean particle size and zeta potential of CR-NE included 215.66±16.8 nm and -29.46±2.65 mV, respectively, and were stable in particle size after a three freeze-thaw cycle. In acute phase experiment, the survival time of mice infected with RH strain of. Results from the current study showed the potential of CR-S and CR-NE in treatment of acute and chronic toxoplasmosis in mouse models for the first time. However, CR-NE was more efficient than CR-S, and it seems that CR-NE has a potential formula for the treatment of acute and chronic toxoplasmosis, especially in those with latent bradyzoites in brain.

Topics: Acute Disease; Animals; Brain; Chronic Disease; Curcumin; Disease Models, Animal; Emulsions; Female; Gene Expression Regulation; Mice, Inbred BALB C; Nanoparticles; Toxicity Tests; Toxoplasma; Toxoplasmosis

Despite several beneficial effects of curcumin, its medical application has been hampered due to low water solubility. To improve the aqueous solubility of curcumin, it has been loaded on chitosan (CS)-alginate (ALG) - sodium tripolyphosphate (STPP) nanoparticles (NPs). Then, the effect of curcumin NPs on memory improvement and glial activation was investigated in pentylenetetrazol (PTZ)-induced kindling model. Male NMRI mice have received the daily injection of curcumin NPs at dose of 12.5 or 25mg/kg. All interventions were injected intraperitoneally (i.p), 10days before PTZ administration and the injections were continued until 1h before each PTZ injection. Spatial learning and memory was evaluated using Morris water maze test after the 7th PTZ injection. Animals have received 10 injections of PTZ and then, brain tissues were removed for histological evaluation. Nissl staining was used to determine the level of cell death in hippocampus and immunostaining method was performed against NeuN and GFAP/Iba1 for assessment of neuronal density and glial activation respectively. Behavioral results showed that curcumin NPs exhibit anticonvulsant activity and prevent cognitive impairment in fully kindled animals. The level of cell death and glial activation reduced in animals which have received curcumin NPs compared to those received free curcumin. To conclude, these findings suggest that curcumin NPs effectively ameliorate memory impairment and attenuate the level of activated glial cells in a mice model of chronic epilepsy.

Topics: Animals; Anticonvulsants; Brain; Chronic Disease; Curcumin; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Carriers; Epilepsy; Injections, Intraperitoneal; Kindling, Neurologic; Male; Memory Disorders; Mice; Nanoparticles; Neuroglia; Nootropic Agents; Pentylenetetrazole; Random Allocation; Spatial Learning; Spatial Memory

Pulmonary fibrosis is associated with irreversible, or partially reversible, airflow obstruction and ultimately unresponsiveness to asthma therapies such as corticosteroids. Intranasal curcumin, an anti-inflammatory molecule, has been found effective in allergic asthma. To study the effect of intranasal curcumin on airway remodeling and fibrosis in murine model of chronic asthma, BALB/c mice were sensitized to ovalbumin (OVA) and exposed to OVA aerosol (2%) from day 21 (after sensitization) for 5 weeks (twice/week). Curcumin (intranasal) was administered during the OVA aerosol challenge. Mice exposed to OVA developed inflammation dominated by eosinophils which lead to fibrosis and airway remodeling. Intranasal administration of curcumin significantly inhibited airway inflammation and pulmonary fibrosis, where MMP-9 activities were decreased along with α-smooth muscle actin (α-SMA), MMP-9, TIMP-1, and eotaxin expressions. These results suggest that intranasal curcumin regulates airway inflammation and remodeling in chronic asthma.

Topics: Actins; Administration, Intranasal; Airway Remodeling; Animals; Asthma; Chronic Disease; Curcumin; Eosinophils; Inflammation; Matrix Metalloproteinase 9; Mice; Ovalbumin; Pulmonary Fibrosis; Tissue Inhibitor of Metalloproteinase-1

Recent studies have suggested increased levels of pro-inflammatory cytokines in depression.. The present study aimed to evaluate the effect of extracts from Rhodiola and Curcuma on immunoreactivity of animals subjected to a chronic mild stress (CMS) model followed by lipopolysaccharide-induced inflammation.. Male Wistar rats (n=56) divided in 7 groups were treated orally with: distilled water 10 ml/kg (control and CMS model groups); Rhodiola 250 mg/kg; Rhodiola 500 mg/kg; Curcuma 250 mg/kg; Curcuma 500 mg/kg, Rhodiola 250 mg/kg and Curcuma 250 mg/kg. All groups except the control were stressed daily according to a CMS protocol. Changes in glucose preference, weight gain and locomotor activity were recorded. In the sixth week the animals were challenged with LPS and rats' sera were obtained for ELISA evaluation of TNF-α and IL-6 levels.. The animals from the model group decreased their weight gain, glucose preference and locomotor activity compared to controls. The groups exposed to stress and treated with Rhodiola 500 mg/kg, Curcuma 500 mg/kg and their combination increased their locomotor activity compared to the model group. High expression of the pro-inflammatory cytokines TNF-α and IL-6 were found in all groups exposed to CMS and challenged by LPS.. The groups exposed to the stress procedure showed a variety of depression-like behavioral changes. In addition, ELISA tests showed that CMS is affecting rats' immunity by increasing the cytokines' levels. These changes could be reversed by administration of Rhodiola and Curcuma in combination suggesting synergic interaction regarding their anti-inflammatory and anti-stress effects.

Topics: Animals; Body Weight; Chronic Disease; Curcuma; Interleukin-6; Male; Motor Activity; Plant Extracts; Rats; Rats, Wistar; Rhodiola; Stress, Psychological; Tumor Necrosis Factor-alpha

Substantial evidence supports the neurochemical vulnerability to lead (Pb) as one of the most potent neurotoxic heavy metals. In the present study, we aimed to assess: (i) The subcommissural organ (SCO) responsiveness as a secretory circumventricular organ to chronic and acute Pb intoxication together with its serotoninergic innervation. (ii) The possible restorative effect of curcumin against Pb intoxication under the same pathological conditions. We used immunohistochemistry with antibodies against Reissner's fiber and serotonin [5-hydroxytryptophan (5-HT)] in Wistar rats following chronic as well as acute Pb administration, respectively, at 25 mg/kg intraperitoneally for 3 days and 0.3% in drinking water from the intrauterine stage until 2 months of adult age. Our data showed a significant decrease in Reissner's fiber material immunoreactivity concomitant with an overall increased 5-HT innervation of the SCO and the ventricular borders. Coadministration of curcumin (50 mg/kg body weight) restores this impairment by reversing the effect of chronic and acute Pb on the secretory activity and the 5-HTergic innervation of the SCO. The investigation showed, on the one hand, the involvement of the SCO in the response to heavy metals, especially Pb, and on the other, the beneficial corrector role of curcumin. As a part of the circumventricular organ, known as a privileged area of brain-blood exchanges, the SCO may play a key role in the mechanism of brain defense against heavy metal neurotoxicity in rats.

Topics: Acute Disease; Animals; Chronic Disease; Curcumin; Disease Models, Animal; Female; Immunohistochemistry; Lead Poisoning, Nervous System; Male; Neuroprotective Agents; Rats, Wistar; Serotonin; Subcommissural Organ

Diets rich in fruits and vegetables (FV), which contain (poly)phenols, protect against age-related inflammation and chronic diseases. T-lymphocytes contribute to systemic cytokine production and are modulated by FV intake. Little is known about the relative potency of different (poly)phenols in modulating cytokine release by lymphocytes. We compared thirty-one (poly)phenols and six (poly)phenol mixtures for effects on pro-inflammatory cytokine release by Jurkat T-lymphocytes. Test compounds were incubated with Jurkat cells for 48 h at 1 and 30 µm, with or without phorbol ester treatment at 24 h to induce cytokine release. Three test compounds that reduced cytokine release were further incubated with primary lymphocytes at 0·2 and 1 µm for 24 h, with lipopolysaccharide added at 5 h. Cytokine release was measured, and generation of H2O2 by test compounds was determined to assess any potential correlations with cytokine release. A number of (poly)phenols significantly altered cytokine release from Jurkat cells (P<0·05), but H2O2 generation did not correlate with cytokine release. Resveratrol, isorhamnetin, curcumin, vanillic acid and specific (poly)phenol mixtures reduced pro-inflammatory cytokine release from T-lymphocytes, and there was evidence for interaction between (poly)phenols to further modulate cytokine release. The release of interferon-γ induced protein 10 by primary lymphocytes was significantly reduced following treatment with 1 µm isorhamnetin (P<0·05). These results suggest that (poly)phenols derived from onions, turmeric, red grapes, green tea and açai berries may help reduce the release of pro-inflammatory mediators in people at risk of chronic inflammation.

Topics: Cell Survival; Chronic Disease; Curcuma; Curcumin; Cytokines; Euterpe; Female; Humans; Hydrogen Peroxide; Inflammation; Jurkat Cells; Lipopolysaccharides; Lymphocytes; Middle Aged; Onions; Polyphenols; Quercetin; Resveratrol; Stilbenes; Tea; Vanillic Acid; Vitis

Evidence suggests that glial cells play a critical role in inflammation in chronic epilepsy, contributing to perpetuation of seizures and cognitive dysfunctions. The present study was designed to evaluate the beneficial effect of curcumin, a polyphenol with pleiotropic properties, on cognitive deficits and inflammation in chronic epilepsy. Kindled model of epilepsy was induced by administering sub-convulsive dose of pentylenetetrazole (PTZ) at 40 mg/kg, i.p. every alternative day for 30 days to Wistar rats. The animals were assessed for cognitive deficits by Morris water maze and inflammatory response in terms of microglial and astrocyte activation. PTZ treated animals had increased escape latency suggesting impaired cognitive functions. Further, an increased expression of astrocyte (GFAP) and microglial (Iba-1) activation markers were observed in terms of mRNA and protein levels in the PTZ treated animals. Concomitantly, mRNA and protein levels of pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) and chemokine (MCP-1) were increased in hippocampus and cortex. Immunoreactivity to anti-GFAP and anti-Iba-1 antibodies was also enhanced in hippocampus and cortex suggesting gliosis in PTZ treated animals. However, curcumin administration at a dose of 100 mg/kg to PTZ animals prevented cognitive deficits. A significant decrease in pro-inflammatory cytokines and chemokine expression was observed in hippocampus and cortex of PTZ treated rats supplemented with curcumin. In addition, curcumin also attenuated increased expression of GFAP and Iba-1 in animals with PTZ induced chronic epilepsy. Moreover, immunohistochemical analysis also showed significant reduction in number of activated glial cells on curcumin administration to PTZ treated animals. Taken together, these findings suggest that curcumin is effective in attenuating glial activation and ameliorates cognitive deficits in chronic epilepsy.

Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Chronic Disease; Cognition Disorders; Curcumin; Disease Models, Animal; Epilepsy; Inflammation Mediators; Male; Rats; Rats, Wistar

Iron overload is now recognized as a health problem in industrialized countries, as excessive iron is highly toxic for liver and spleen. The potential use of curcumin as an iron chelator has not been clearly identified experimentally in iron overload condition. Here, we evaluate the efficacy of curcumin to alleviate iron overload-induced hepatic and splenic abnormalities and to gain insight into the underlying mechanisms.. Three groups of male adult rats were treated as follows: control rats, rats treated with iron in a drinking water for 2 months followed by either vehicle or curcumin treatment for 2 more months. Thereafter, we studied the effects of curcumin on iron overload-induced lipid peroxidation and anti-oxidant depletion.. Treatment of iron-overloaded rats with curcumin resulted in marked decreases in iron accumulation within liver and spleen. Iron-overloaded rats had significant increases in malonyldialdehyde (MDA), a marker of lipid peroxidation and nitric oxide (NO) in liver and spleen when compared to control group. The effects of iron overload on lipid peroxidation and NO levels were significantly reduced by the intervention treatment with curcumin (P<0.05). Furthermore, the endogenous anti-oxidant activities/levels in liver and spleen were also significantly decreased in chronic iron overload and administration of curcumin restored the decrease in the hepatic and splenic antioxidant activities/levels.. Our study suggests that curcumin may represent a new horizon in managing iron overload-induced toxicity as well as in pathological diseases characterized by hepatic iron accumulation such as thalassemia, sickle cell anemia, and myelodysplastic syndromes possibly via iron chelation, reduced oxidative stress derived lipid peroxidation and improving the body endogenous antioxidant defense mechanism.

Topics: Animals; Chronic Disease; Curcumin; Iron; Iron Overload; Liver; Male; Oxidative Stress; Rats; Rats, Sprague-Dawley; Spleen

Depression is a neuropsychiatric disease associated with wide ranging disruptions in neuronal plasticity throughout the brain. Curcumin, a natural polyphenolic compound of curcuma loga, has been demonstrated to be effective in the treatment of depressive-like disorders. The present study aimed to investigate the mechanisms underlying the antidepressant-like effects of curcumin in a rat model of chronic, unpredictable, mild, stress (CUMS) -induced depression. The results showed that CUMS produced depressive-like behaviours in rats, which were associated with ultra-structural changes in neurons within the lateral amygdala (LA). In addition, the expression of synapse-associated proteins such as brain-derived neurotrophic factor (BDNF), PSD-95 and synaptophysin were significantly decreased in the LA of CUMS-treated rats. Chronic administration of curcumin (40 mg/kg, i.p. 6 wk) before stress exposure significantly prevented these neuronal and biochemical alterations induced by CUMS, and suppressed depressive-like behaviours, suggesting that this neuronal dysregulation may be related to the depressive-like behaviours caused by CUMS. Together with our previous results, the current findings demonstrate that curcumin exhibits neuroprotection and antidepressant-like effects in the CUMS-induced depression model. Furthermore, this antidepressant-like action of curcumin appears to be mediated by modulating synapse-associated proteins within the LA. These findings provide new insights into the underlying mechanisms leading to neural dysfunction in depression and reveal the therapeutic potential for curcumin use in clinical trials.

Topics: Amygdala; Animals; Antidepressive Agents; Body Weight; Brain-Derived Neurotrophic Factor; Chronic Disease; Curcumin; Depressive Disorder; Dietary Sucrose; Disks Large Homolog 4 Protein; Drinking; Exploratory Behavior; Intracellular Signaling Peptides and Proteins; Male; Membrane Proteins; Motivation; Motor Activity; Neuronal Plasticity; Neurons; Rats; Rats, Wistar; Stress, Psychological; Synaptophysin; Uncertainty

To investigate the correlation between psychological stress and masseter muscle (MM) alterations, and explore the therapeutic agents for restoring the impaired masticatory muscle.. We established a chronic unpredictable mild stress (CUMS) animal model and observed the changes of ultrastructure, redox homeostasis and energy metabolism in MM in rats with and without curcumin treatment.. The depressive-like behavior in stressed rats was confirmed by the evidences of altered behaviors in sucrose preference test and open field test; while these phenomena were eased by curcumin. Except for the pathological changes in ultrastructure, decreased SOD, GSH-Px, CAT, Na(+)-K(+)ATPase, and Ca(2+)-Mg(2+)ATPase activities as well as increased MDA and LD content and LDH activity were also observed in MM in stressed rats. However, curcumin was capable of reversing CUMS-induced MM disorder by improving the activities of the examined anti-oxidant enzymes and energy metabolism enzymes. Additionally, the increased MDA content, LD content, and LDH activity in stressed rats were reduced by curcumin.. All the findings indicate the adverse effects of CUMS on MM function in rats, and raise the possibility of developing curcumin as a potential therapeutic agent for psychological stress-induced masseter dysfunction.

Topics: Animals; Biomarkers; Chronic Disease; Curcumin; Disease Models, Animal; Energy Metabolism; Male; Masseter Muscle; Oxidative Stress; Rats; Rats, Sprague-Dawley; Stress, Physiological

Curcumin, phytochemical present in turmeric, rhizome of Curcuma longa, a known anti-inflammatory molecule with variety of pharmacological activities is found effective in murine model of chronic asthma characterized by structural alterations and airway remodeling. Here, we have investigated the effects of intranasal curcumin in chronic asthma where animals were exposed to allergen for longer time. In the present study Balb/c mice were sensitized by an intraperitoneal injection of ovalbumin (OVA) and subsequently challenged with 2% OVA in aerosol twice a week for five consecutive weeks. Intranasal curcumin (5mg/kg) was administered from days 21 to 55, an hour before every nebulization and inflammatory cells recruitment, levels of IgE, EPO, IL-4 and IL-5 were found suppressed in bronchoalveolar lavage fluid (BALF). Intranasal curcumin administration prevented accumulation of inflammatory cells to the airways, structural alterations and remodeling associated with chronic asthma like peribronchial and airway smooth muscle thickening, sloughing off of the epithelial lining and mucus secretion in ovalbumin induced murine model of chronic asthma.

Topics: Administration, Intranasal; Animals; Antibody Formation; Asthma; Chronic Disease; Curcuma; Curcumin; Disease Models, Animal; Humans; Immunoglobulin E; Interleukin-4; Interleukin-5; Lung; Mice; Mice, Inbred BALB C; Myocytes, Smooth Muscle; Ovalbumin

Topics: Animals; Brain; Carbon Dioxide; Chronic Disease; Curcumin; Disease Models, Animal; Fas Ligand Protein; fas Receptor; Hypoxia; Male; Oxygen; Rats; Rats, Sprague-Dawley

Mounting evidence suggests that inflammation may contribute to the pathophysiology of depression. Curcumin, a polyphenol extracted from the plant Curcuma longa, exhibits a number of pharmacological properties, including potent anti-inflammatory action. Hence, the current study aimed to explore the immunomodulatory effects of curcumin in an animal model of chronic mild stress (CMS). Rats were subjected to CMS protocol for a period of 21 days to induce depressive-like behavior. The body weight, sucrose preference and locomotor activity were evaluated. Both RT-PCR and ELISA were used to determine the expression of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in the prefrontal cortex and hippocampus. Modulation of nuclear factor-κB (NF-κB) activation was assessed by western blotting. Chronic treatment with curcumin significantly reversed the CMS-induced behavioral abnormalities (reduced sucrose preference and decreased locomotor activity) in stressed rats. Additionally, curcumin effectively inhibited cytokine gene expression at both the mRNA and the protein level and reduced the activation of NF-κB. The study revealed that curcumin exerted antidepressant-like effects in CMS rats, partially due to its anti-inflammatory aptitude.

Topics: Animals; Anti-Inflammatory Agents; Antidepressive Agents; Body Weight; Brain; Chronic Disease; Curcumin; Cytokines; Disease Models, Animal; Exploratory Behavior; Food Preferences; Male; NF-kappa B; Rats; Rats, Wistar; Stress, Psychological; Sucrose; Sweetening Agents; Time Factors

Cerebral hypoperfusion or aging often results in the disturbances of cholesterol and lipoprotein, which have been well depicted as a common pathological status contributing to neurodegenerative diseases such as vascular dementia (VaD) and Alzheimer's dementia (AD). The pathway of the liver X receptor-β (LXR-β)/retinoic X receptor-α (RXR-α)/ABCA1 plays a vital role in lipoprotein metabolism. Curcumin, a kind of phenolic compound, has been widely used. It has been reported that curcumin can reduce the levels of cholesterol in serum, but the underlying mechanisms are poorly understood. In this study, we evaluated the effects of curcumin on the cholesterol level in brain, vascular cognitive impairment and explored whether the mechanisms for those effects are through activating LXR-β/RXR-α and ABCA1 expression and apoA-I. With a Morris water test, we found that curcumin treatment could attenuate cognitive impairment. With HE and Nissl staining, we found that curcumin could significantly ameliorate the abnormal changes of pyramidal neurons. Meanwhile, the expression of LXR-β, RXR-α, ABCA1 and apoA-I mRNA and protein were increased in a dose-dependent manner after curcumin treatment. Interestingly, both serum HDL cholesterol and total cholesterol levels were statistically higher in the curcumin treatment group than those other groups. We conclude that curcumin has the ability to activate permissive LXR-β/RXR-α signaling and thereby modulate ABCA1 and apoA-I-mediated cholesterol transmembrane transportation, which is a new preventive and therapeutic strategy for cerevascular diseases.

Topics: Animals; Apolipoprotein A-I; ATP Binding Cassette Transporter 1; Brain; Brain Ischemia; Cholesterol; Cholesterol, HDL; Chronic Disease; Cognition Disorders; Curcumin; Dementia, Vascular; Dose-Response Relationship, Drug; Gene Expression; Homeostasis; Lipid Metabolism; Liver X Receptors; Orphan Nuclear Receptors; Phytotherapy; Rats; Rats, Sprague-Dawley; Retinoid X Receptor alpha; RNA, Messenger; Signal Transduction

Complement factor H (Cfh) is a key regulator of the complement cascade and protects C57BL/6 mice from immune complex-mediated complement-dependent glomerulonephritis. In chronic serum sickness (CSS) there are increased deposits of immune complexes in the glomeruli with inflammation and a scarring phenotype. As cucurmin is an effective anti-inflammatory agent and reduces complement activation, we hypothesized that it should alleviate renal disease in this setting. To determine the effectiveness of curcumin, an apoferritin-induced CSS model in Cfh-deficient (Cfh(-/-)) mice was used. Curcumin treatment (30 mg/kg) given every day in parallel with apoferritin reduced glomerulonephritis and enhanced kidney function (blood urea nitrogen, 45·4 ± 7·5 versus 35·6 ± 5·1; albuminuria, 50·1 ± 7·1 versus 15·7 ± 7·1; glomerulonephritis, 2·62 + 0·25 versus 2 + 0·3, P < 0·05). In line with reduced IgG deposits in mice with CSS given curcumin, C9 deposits were reduced indicating reduced complement activation. Mice treated with curcumin had a significant reduction in the number of splenic CD19(+) B cells and the ratio of CD19 : CD3 cells (P < 0·05) with no change in the T-cell population. Myeloperoxidase assay showed reduced macrophages in the kidney. However, a significant reduction in the M2 subset of splenic macrophages by apoferritin was prevented by curcumin, suggesting a protective function. Curcumin treatment reduced mRNA expression of inflammatory proteins monocyte chemoattractant protein-1 and transforming growth factor-β and matrix proteins, fibronectin, laminin and collagen. Our results clearly illustrate that curcumin reduces glomerulosclerosis, improves kidney function and could serve as a therapeutic agent during serum sickness.

Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Apoferritins; Chronic Disease; Complement Activation; Complement Factor H; Curcumin; Glomerulonephritis; Humans; Immune Complex Diseases; Kidney Function Tests; Male; Mice; Mice, Inbred C57BL; Serum Sickness; Treatment Outcome

Chronic venous insufficiency (CVI) induces alterations that cause fibrosclerotic edema of the subcutaneous tissue. This study examined the effects of a complex naturopathic compound with vasoactive and antiedema activities (Lymdiaral®) administered intradermally.. 40 patients with signs and symptoms of CVI and associated fibrosclerotic edema of the subcutaneous tissue.. Efficacy was assessed by using clinical investigation, subjective and objective measures, and ultrasonography performed at baseline and after treatment.. Thirty-four patients completed the study; 6 of the original 40 (15%) had stopped for reasons unrelated to study treatment. The treatment was well tolerated. Fifteen adverse reactions were reported among a total of 378 doses administered (3.97%). None of these reactions were severe or required discontinuation of treatment. Subjective symptoms and objective measures improved, and ultrasonography showed statistically significant changes in hypodermal thickness of the medial aspect of the knees.. Its open-label design and small sample size notwithstanding, this study indicates that intradermal therapy, according to the recommendation of the Italian Society of Mesotherapy, may provide a valuable contribution to the treatment of CVI and related fibrosclerotic edema of the subcutaneous tissue by prolonging the local effect of the pharmacologically active compounds. Comparative studies are needed to identify the broader clinical and economic benefits of local therapy compared with other systemic therapies.

Topics: Adult; Chronic Disease; Conium; Edema; Female; Humans; Hydrastis; Leg; Mesotherapy; Phytolacca; Phytotherapy; Pilot Projects; Plant Preparations; Prospective Studies; Scilla; Treatment Outcome; Venous Insufficiency; Viscum album

Life event stressors are the major vulnerability factors for the development of cognitive disorders. A vital therapeutic for stress related disorders is curcumin, derived from curry spice turmeric. Dietary phytochemicals are currently used as an adjuvant therapy to accelerate their therapeutic efficacy. Therefore, the present study was designed to investigate the effect of curcumin and its co-administration with piperine against chronic unpredictable stress (CUS)-induced cognitive impairment and oxidative stress in mice. Male Laca mice were subjected to undergo a battery of stressors for a period of 28 days. Vehicle/drugs were administered daily 30mins before CUS procedure. Chronic stress significantly impaired memory performance (delayed latency time to reach platform in Morris water maze as well as to reach closed arm in elevated plus maze test) and decreased locomotor activity along with sucrose consumption. Further, there was a significant impairment in oxidative parameters (elevated malondialdehyde, nitrite concentration and decreased reduced glutathione, catalase levels) and mitochondrial enzyme complex activities, along with raised acetylcholinesterase and serum corticosterone levels. Chronic treatment with curcumin (200 and 400mg/kg, p.o.) significantly improved these behavioral and biochemical alterations, restored mitochondrial enzyme complex activities and attenuated increased acetylcholinesterase and serum corticosterone levels. In addition, co-administration of piperine (20mg/kg; p.o.) with curcumin (100 and 200mg/kg, p.o.) significantly elevated the protective effect as compared to their effects alone. The results clearly suggest that piperine enhanced the bioavailability of curcumin and potentiated its protective effects against CUS induced cognitive impairment and associated oxidative damage in mice.

Topics: Alkaloids; Animals; Anti-Inflammatory Agents, Non-Steroidal; Benzodioxoles; Chronic Disease; Cognition Disorders; Corticosterone; Curcumin; Cytochrome P-450 Enzyme Inhibitors; Dietary Sucrose; Drug Synergism; Food Preferences; Male; Maze Learning; Mice; Mice, Inbred Strains; Mitochondria; Motor Activity; Neuroprotective Agents; Oxidative Stress; Piperidines; Polyunsaturated Alkamides; Stress, Psychological; Uncertainty

The pathogenesis of cervical spondylotic myelopathy (CSM) is related to both primary mechanical and secondary biological injury. The authors of this study explored a novel, noninvasive method of promoting neuroprotection in myelopathy by using curcumin to minimize oxidative cellular injury and the capacity of omega-3 fatty acids to support membrane structure and improve neurotransmission.. An animal model of CSM was created using a nonresorbable expandable polymer placed in the thoracic epidural space, which induced delayed myelopathy. Animals that underwent placement of the expandable polymer were exposed to either a diet rich in docosahexaenoic acid and curcumin (DHA-Cur) or a standard Western diet (WD). Twenty-seven animals underwent serial gait testing, and spinal cord molecular assessments were performed after the 6-week study period.. At the conclusion of the study period, gait analysis revealed significantly worse function in the WD group than in the DHA-Cur group. Levels of brain-derived neurotrophic factor (BDNF), syntaxin-3, and 4-hydroxynonenal (4-HNE) were measured in the thoracic region affected by compression and lumbar enlargement. Results showed that BDNF levels in the DHA-Cur group were not significantly different from those in the intact animals but were significantly greater than in the WD group. Significantly higher lumbar enlargement syntaxin-3 in the DHA-Cur animals combined with a reduction in lipid peroxidation (4-HNE) indicated a possible healing effect on the plasma membrane.. Data in this study demonstrated that DHA-Cur can promote spinal cord neuroprotection and neutralize the clinical and biochemical effects of myelopathy.

Topics: Aldehydes; Animals; Brain-Derived Neurotrophic Factor; Chronic Disease; Curcuma; Diet; Disease Models, Animal; Docosahexaenoic Acids; Male; Neuroprotective Agents; Qa-SNARE Proteins; Rats; Rats, Sprague-Dawley; Spinal Cord Injuries

Both fish oil (FO) and curcumin have potential as anti-tumour and anti-inflammatory agents. To further explore their combined effects on dextran sodium sulphate (DSS)-induced colitis, C57BL/6 mice were randomised to four diets (2 × 2 design) differing in fatty acid content with or without curcumin supplementation (FO, FO+2 % curcumin, maize oil (control, MO) or MO+2 % curcumin). Mice were exposed to one or two cycles of DSS in the drinking-water to induce either acute or chronic intestinal inflammation, respectively. FO-fed mice exposed to the single-cycle DSS treatment exhibited the highest mortality (40 %, seventeen of forty-three) compared with MO with the lowest mortality (3 %, one of twenty-nine) (P = 0·0008). Addition of curcumin to MO increased (P = 0·003) mortality to 37 % compared with the control. Consistent with animal survival data, following the one- or two-cycle DSS treatment, both dietary FO and curcumin promoted mucosal injury/ulceration compared with MO. In contrast, compared with other diets, combined FO and curcumin feeding enhanced the resolution of chronic inflammation and suppressed (P < 0·05) a key inflammatory mediator, NF-κB, in the colon mucosa. Mucosal microarray analysis revealed that dietary FO, curcumin and FO plus curcumin combination differentially modulated the expression of genes induced by DSS treatment. These results suggest that dietary lipids and curcumin interact to regulate mucosal homeostasis and the resolution of chronic inflammation in the colon.

Topics: Acute Disease; Animals; Anti-Inflammatory Agents, Non-Steroidal; Chronic Disease; Colitis; Colon; Curcumin; Cytokines; Dextran Sulfate; Dietary Supplements; Fish Oils; Gene Expression Profiling; Gene Expression Regulation; Intestinal Mucosa; Irritants; Male; Mice; Mice, Inbred C57BL; NF-kappa B; Oligonucleotide Array Sequence Analysis; Random Allocation; Survival Analysis

Topics: Anti-Inflammatory Agents, Non-Steroidal; Antineoplastic Agents; Antioxidants; Chronic Disease; Clinical Trials as Topic; Contraindications; Curcumin; Herb-Drug Interactions; Humans; Inflammation; Medicine, Ayurvedic; Neoplasms; Plants, Medicinal

To investigate the effects of curcumin on the expressions of TNF-alpha, IL-6 and IL-8 in rats with chronic nonbacterial prostatitis.. Sixty healthy adult male SD rats with the body weight of 200 -220 g were equally and randomly divided into a normal control, a positive control, a model, an oral curcumin and an intraperitoneal curcumin group. The rat models of chronic nonbacterial prostatitis were made by hypodermic injection of estradiol benzoate at the dose of 0.25 mg/(kg x d) for 30 days after castration, and then treated with curcumin at 200 mg/(kg x d) by gavage or intraperitoneal injection. The positive controls received oral celebrex at 250 mg/(kg x d), while the normal control and model groups were given saline by gavage. After a week of treatment, the levels of TNF-alpha, IL-6 and IL-8 in the serum and prostate tissues of the rats were detected by ELISA assay.. The levels of TNF-alpha and IL-8 in the serum and prostate tissues were significantly lower in the intraperitoneal curcumin than in the positive control group (P < 0.05), but the expression of IL-6 showed no significant difference between the two groups (P > 0.01).. Curcumin is efficacious for chronic nonbacterial prostatitis in rats, and the action mechanism may be associated with its decreasing effect on the proinflammatory cytokines IL-8 and TNF-alpha in the blood and tissues.

Topics: Animals; Chronic Disease; Curcumin; Drugs, Chinese Herbal; Interleukin-6; Interleukin-8; Male; Phytotherapy; Prostatitis; Rats; Rats, Sprague-Dawley; Tumor Necrosis Factor-alpha

In this study, we assessed the immunosuppressive potential of curcumin, a pharmacologically safe and cost-effective naturally occurring polyphenolic phytochemical, on the induction of Th1 cytokines that are frequently overexpressed in patients experiencing rejection after renal transplant.. Peripheral blood lymphocytes obtained from 68 renal transplant recipients and 17 healthy controls were treated with curcumin before stimulation with phorbol myristate acetate and were analyzed with flow cytometry for interferon-alpha and interleukin 4 positive cells.. Patients experiencing acute rejection exhibited a high level of interferon-alpha (38.3% +/- 11.2%) and a low level of interleukin 4 (4.2% +/- 2.0%) in their activated peripheral blood lymphocytes. The use of curcumin dose-dependently decreased interferon-alpha induction in cultures from healthy controls (28.1% +/- 4.8%-10.7% +/- 5.3%, P < .001), patients experiencing acute rejection (38.3%-18.3%, P < .001), and those experiencing chronic rejection (40.6%-12.9%, P = .01) when compared with corresponding untreated cultures. In contrast, curcumin exerted only a marginal effect on interleukin 4 expression. Interestingly, curcumin was found to inhibit nuclear factor kappa beta activation by blocking the degradation of the inhibitory unit I kappa B alpha. We also noted the synergistic inhibitory effect of in vitro treatment with curcumin in combination with cyclosporine on the peripheral blood lymphocytes of patients experiencing acute rejection.. These data provide a rationale for the use of curcumin as an affordable, pharmacologically safe, adjuvant immunosuppressant when used with cyclosporine and suggest that curcumin can effectively suppress Th1 cytokine induction after renal transplant.

Topics: Acute Disease; Adult; Case-Control Studies; Cells, Cultured; Chronic Disease; Curcumin; Cyclosporine; Dose-Response Relationship, Drug; Female; Flow Cytometry; Graft Rejection; Humans; Immunosuppressive Agents; India; Interferon-gamma; Interleukin-4; Kidney Transplantation; Living Donors; Lymphocytes; Male; Middle Aged; Mitogens; NF-kappa B; Tetradecanoylphorbol Acetate; Time Factors; Young Adult

Curcumin, a yellow pigment extracted from rhizomes of the plant Curcuma longa (turmeric), has been widely used as food additive and also as a herbal medicine throughout Asia. The present study was designed to study the pharmacological, biochemical and neurochemical effects of daily administration of curcumin to rats subjected to chronic unpredictable stress. Curcumin treatment (20 and 40 mg/kg, i.p., 21 days) significantly reversed the chronic unpredictable stress-induced behavioral (increase immobility period), biochemical (increase monoamine oxidase activity) and neurochemical (depletion of brain monoamine levels) alterations. The combination of piperine (2.5 mg/kg, i.p., 21 days), a bioavailability enhancer, with curcumin (20 and 40 mg/kg, i.p., 21 days) showed significant potentiation of its anti-immobility, neurotransmitter enhancing (serotonin and dopamine) and monoamine oxidase inhibitory (MAO-A) effects as compared to curcumin effect per se. This study provided a scientific rationale for the use of curcumin and its co-administration with piperine in the treatment of depressive disorders.

Topics: Alkaloids; Animals; Antidepressive Agents; Behavior, Animal; Benzodioxoles; Biogenic Amines; Biological Availability; Biomarkers; Brain Chemistry; Chronic Disease; Cold Temperature; Curcumin; Depressive Disorder; Female; Light; Monoamine Oxidase; Motor Activity; Piperidines; Polyunsaturated Alkamides; Rats; Rats, Wistar; Stress, Psychological; Swimming

Topics: Animals; Chronic Disease; Curcumin; Disease Models, Animal; Gastrointestinal Agents; Gastrointestinal Diseases; Humans

Ulcerative colitis (UC) is a nonspecific inflammatory disorder characterized by oxidative and nitrosative stress, leucocyte infiltration and up-regulation of pro-inflammatory cytokines. Mitogen-activated protein kinases (MAPKs), such as the p38 and the c-Jun N-terminal kinase (JNK) modulate the transcription of many genes involved in the inflammatory process. Curcumin is a polyphenol derived from Curcuma longa, which is known to have anti-inflammatory activity. The aim of this study was to study the effects and mechanisms of action of curcumin, on chronic colitis in rats. Inflammation response was assessed by histology and myeloperoxidase activity (MPO). We determined the production of Th1 and Th2 cytokines and nitrites in colon mucosa, as well as the expression of inducible nitric oxide synthase (iNOS), cyclo-oxygenase(COX)-1 and-2 by western blotting and inmmunohistochemistry. Finally, we studied the involvement of MAPKs signaling in the protective effect of curcumin in chronic colonic inflammation. Curcumin (50-100 mg/kg/day) were administered by oral gavage 24 h after trinitrobenzensulfonic acid (TNBS) instillation, and daily during 2 weeks before sacrifice. Curcumin significantly attenuated the damage and caused substantial reductions of the rise in MPO activity and tumour necrosis factor alpha (TNF)-alpha. Also curcumine was able to reduce nitrites colonic levels and induced down-regulation of COX-2 and iNOS expression, and a reduction in the activation of p38 MAPK; however, no changes in the activation of JNK could be observed. In conclusion, we suggest that inhibition of p38 MAPK signaling by curcumin could explain the reduced COX-2 and iNOS immunosignals and the nitrite production in colonic mucosa reducing the development of chronic experimental colitis.

Topics: Animals; Chronic Disease; Colitis; Curcumin; Cyclooxygenase 2; Female; Gene Expression Regulation, Enzymologic; Male; MAP Kinase Signaling System; Nitric Oxide; Nitric Oxide Synthase Type II; p38 Mitogen-Activated Protein Kinases; Rats; Rats, Wistar; Trinitrobenzenesulfonic Acid; Tumor Necrosis Factor-alpha

On the basis of limited experimental and clinical studies, increased activity of the vasodilatory nitric oxide-cyclic guanosine monophosphate pathway is considered to play a key role in the pathogenesis of hepatopulmonary syndrome. We report a 46-year-old woman with Child-Pugh class C cirrhosis and progressive dyspnoea for 12 months. Investigations revealed elevated circulating concentrations of nitric oxide metabolites and exhaled nitric oxide levels, an hyperdynamic circulation with low systemic vascular resistance and mean arterial pressure, a large right to left intrapulmonary shunt fraction on radiolabelled macroaggregated albumin perfusion scanning, positive contrast-enhanced echocardiography, reduced diffusion capacity of carbon monoxide, hypoxaemia and orthodeoxyia, all in keeping with severe hepatopulmonary syndrome. Sequential inhibition of the nitric oxide-cyclic guanosine monophosphate pathway using curcumin (diferuloylmethane), terlipressin and methylene blue was associated with substantial improvements in vascular tone and the hyperdynamic circulation. No improvement, however, in the intrapulmonary shunt was demonstrated. Both hypoxaemia and orthodeoxia were substantially, reproducibly and reversibly worsened with all three treatments. Our findings argue against the contention that intrapulmonary shunting and impairment in arterial oxygenation in hepatopulmonary syndrome are necessarily the consequence of on-going, nitric oxide-cyclic guanosine monophosphate-mediated vasodilatation, at least in the chronic stage, and, given the possibility of substantial worsening of pulmonary oxygen exchange, suggest that inhibition of the nitric oxide-cyclic guanosine monophosphate pathway should be avoided in this setting.

Topics: Antihypertensive Agents; Blood Pressure; Chronic Disease; Curcumin; Cyclic GMP; Echocardiography; Female; Hepatopulmonary Syndrome; Humans; Lypressin; Methylene Blue; Middle Aged; Nitric Oxide; Terlipressin; Treatment Failure; Vascular Resistance

Curcumin is the main constituent of the spice turmeric, used in diet and in traditional medicine, particularly across the Indian subcontinent. Anti-inflammatory activity and inhibition of LPS signaling are some of its many activities. We show that curcumin binds at submicromolar affinity to the myeloid differentiation protein 2 (MD-2), which is the LPS-binding component of the endotoxin surface receptor complex MD-2/TLR4. Fluorescence emission of curcumin increases with an absorbance maximum shift toward the blue upon the addition of MD-2, indicating the transfer of curcumin into the hydrophobic environment. Curcumin does not form a covalent bond to the free thiol group of MD-2, and C133F mutant retains the binding and inhibition by curcumin. The binding site for curcumin overlaps with the binding site for LPS. This results in the inhibition of MyD88-dependent and -independent signaling pathways of LPS signaling through TLR4, indicating that MD-2 is one of the important targets of curcumin in its suppression of the innate immune response to bacterial infection. This finding, in addition to the correlation between the dietary use of curcumin and low incidence of gastric cancer in India, may have important implications for treatment and epidemiology of chronic inflammatory diseases caused by bacterial infection.

Topics: Amino Acid Substitution; Antineoplastic Agents; Bacterial Infections; Binding Sites; Cell Line; Chronic Disease; Curcumin; Humans; Immunity, Innate; India; Inflammation; Lipopolysaccharides; Lymphocyte Antigen 96; Mutation, Missense; Myeloid Differentiation Factor 88; Stomach Neoplasms; Toll-Like Receptor 4

To explore the possible mechanisms of curcumin in rat colitis induced by trinitrobenzene sulfonic (TNBS) acid.. Rats with TNBS acid-induced colitis were treated with curcumin (30 mg/kg or 60 mg/kg per day ip). Changes of body weight and histological scores as well as survival rate were evaluated. Leukocyte infiltration was detected by myeloperoxidase (MPO) activity assay. The expression of cyclooxygenase-2 (COX-2) was detected by RT-PCR and Western blot. Inflammation cytokines were determined by RT-PCR. Local concentration of prostaglandin E(2) (PGE(2)) in colon mucosa was determined by ELISA.. Curcumin improved survival rate and histological image, decreased the macroscopic scores and MPO activity. Also curcumin reduced the expression of COX-2 and inflammation cytokines. In addition, treatment with curcumin increased the PGE(2) level.. Curcumin has therapeutic effects on TNBS acid-induced colitis, the mechanisms seem to be related to COX-2 inhibition and PGE(2) improvement.

Topics: Animals; Body Weight; Chronic Disease; Colitis; Colon; Curcumin; Cyclooxygenase 2; Cyclooxygenase 2 Inhibitors; Dinoprostone; Gene Expression Regulation, Enzymologic; Interferon-gamma; Intestinal Mucosa; Leukocytes; Nitric Oxide Synthase Type II; Rats; Rats, Sprague-Dawley; Trinitrobenzenesulfonic Acid; Tumor Necrosis Factor-alpha

The ethanolic extracts from the rhizome of Curcuma longa L. (turmeric), possesses a wide variety of biological activities related to the treatment and prevention of affective disorders. To study their antidepressant effects, the impacts of chronic mild stress (CMS) and of the subsequent administration of ethanolic extracts of C. longa were investigated. Male Sprague-Dawley rats subjected to the CMS procedure demonstrated increased serum interleukin-6 and tumor necrosis factor-alpha levels, as well as a reduction of natural killer cell activity in splenocytes. In addition, CMS-treated rats exhibited elevated corticotropin-releasing factor in serum and medulla oblongata and cortisol levels in serum, with no significant change in serum adrenocorticotropin hormone levels. The preferential behavior of reduction in sucrose intake was also observed. These findings indicate that the alterations in immune and hypothalamic-pituitary-adrenal (HPA) axis systems could participate in the behavioral response to the CMS procedure in animals. Administration of ethanolic extracts of C. longa largely reversed the above effects. These results demonstrate the antidepressant-like activity of ethanolic extracts of C. longa in the rat CMS model of depression, at least in part by improving the abnormalities in immune and the HPA axis functions.

Topics: Adrenocorticotropic Hormone; Animals; Behavior, Animal; Chronic Disease; Corticotropin-Releasing Hormone; Curcuma; Depression; Ethanol; Hydrocortisone; Hypothalamo-Hypophyseal System; Immunity; Interleukin-6; Killer Cells, Natural; Male; Medulla Oblongata; Neurosecretory Systems; Plant Extracts; Rats; Rats, Sprague-Dawley; Solvents; Spleen; Stress, Psychological; Tumor Necrosis Factor-alpha

Inflammation is a protective tissue response occurring in three distinct phases, acute, subacute and a chronic proliferative phase. We undertook the present study to understand the overall immune response of the body during adjuvant induced chronic inflammation in rat and the effect of ibuprofen and curcumin on this response. Inflammatory mediators were estimated on day 21 and day 35 after adjuvant injection. The level of C-reactive protein increased to 200% on day 21 and then reduced to 50% on day 35 compared to control. Curcumin and ibuprofen further reduced the increased levels at both the time intervals. Haptoglobin level decreased to 42% on day 21 but increased to 5 times of control on day 35. Curcumin and ibuprofen reduced the increased levels at day 35. No significant change was observed in Prostaglandin-E2 and Leukotriene-B4 levels and in Lymphocyte proliferation. The level of Tumor Necrosis Factor-alpha increased by three folds on day 21, but came down to 88% on day 35. Ibuprofen treatment decreased the raised level on day 21 and increased the reduced level on day 35. Interleukin-1beta increased to 2 folds on day 21 and 10 folds on day 35 which were significantly brought down by curcumin and ibuprofen. Nitric oxide level was reduced at both the time intervals, which were increased by drug treatment.

Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Arthritis, Experimental; C-Reactive Protein; Chronic Disease; Curcumin; Haptoglobins; Ibuprofen; Male; Rats; Rats, Sprague-Dawley; Time Factors; Tumor Necrosis Factor-alpha

Transcription of type 1 human immunodeficiency virus (HIV-1) provirus is governed by the viral long terminal repeat (LTR). Drugs can block HIV-1 replication by inhibiting activity of its LTR. We report that topotecan, beta-lapachone, and curcumin are potent and selective inhibitors of HIV-1 LTR-directed gene expression, at concentrations that have minor effects on cells. At these concentrations, each drug inhibited p24 antigen production in cells either acutely or chronically infected with HIV-1. Their target is transcriptional function of the LTR.

Topics: Acute Disease; Antiviral Agents; Camptothecin; Cells, Cultured; Chronic Disease; Curcumin; Gene Expression Regulation, Viral; HIV Infections; HIV Long Terminal Repeat; HIV-1; In Vitro Techniques; Naphthoquinones; RNA, Viral; Topotecan; Virus Replication