iridoids and Body-Weight

iridoids has been researched along with Body-Weight* in 24 studies

Reviews

1 review(s) available for iridoids and Body-Weight

ArticleYear
    Zeitschrift fur Gesundheitswissenschaften = Journal of public health, 2022, Volume: 30, Issue:2

    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; 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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; 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

2022

Trials

1 trial(s) available for iridoids and Body-Weight

ArticleYear
    Zeitschrift fur Gesundheitswissenschaften = Journal of public health, 2022, Volume: 30, Issue:2

    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

2022

Other Studies

23 other study(ies) available for iridoids and Body-Weight

ArticleYear
Loganin Ameliorates Painful Diabetic Neuropathy by Modulating Oxidative Stress, Inflammation and Insulin Sensitivity in Streptozotocin-Nicotinamide-Induced Diabetic Rats.
    Cells, 2021, 10-08, Volume: 10, Issue:10

    Loganin is an iridoid glycoside with antioxidant, anti-inflammatory, glucose-lowering activities which may address the pathological mechanisms of painful diabetic neuropathy (PDN) related to inflammation, oxidative stress, and hyperglycemia. This study investigated the underlying mechanisms of action of loganin on PDN. The in vivo model of PDN was established by streptozotocin-nicotinamide (STZ-NA) induction in Sprague Dawley (SD) rats. Subsequently, loganin (5 mg/kg) was administered by daily intraperitoneal injection. High-glucose stimulated human SH-SY5Y cells co-incubated with loganin were used to mimic the in vitro model of PDN. Loganin improved PDN rats' associated pain behaviors (allodynia and hyperalgesia), insulin resistance index (HOMA-IR), and serum levels of superoxide dismutase (SOD), catalase and glutathione. Loganin also reduced pain-associated channel protein Ca

    Topics: Animals; Antioxidants; Behavior, Animal; Blood Glucose; Body Weight; Calcitonin Gene-Related Peptide; Calcium Channels, T-Type; Cell Line, Tumor; Diabetes Mellitus, Experimental; Diabetic Neuropathies; Fasting; Humans; Hyperglycemia; Inflammation; Inflammation Mediators; Insulin; Insulin Resistance; Iridoids; Male; Neuralgia; Neuroglia; NF-kappa B; Niacinamide; Oxidative Stress; Rats, Sprague-Dawley; Signal Transduction; Spinal Cord Dorsal Horn; Streptozocin

2021
Comparison of main chemical composition of Plantago asiatica L. and P. depressa Willd. seed extracts and their anti-obesity effects in high-fat diet-induced obese mice.
    Phytomedicine : international journal of phytotherapy and phytopharmacology, 2021, Volume: 81

    Nowadays, the pharmacological effects of Plantaginis semen was getting more and more attention because of the great effect of treating diuresis, hypertension, hyperlipidemia, and hyperglycemia. According to the Chinese Pharmacopoeia, Plantaginis semen is the seed of Plantago asiatica L. or P. depressa Willd. This was verified by examining chemical composition differences in a preliminary experiment, predicting their differences in pharmacology.. In this study, we aimed to compared the the differences in main components and anti-obesity effects of Plantago asiatica L. seed extract (PASE) and P. depressa Willd. seed extract (PDSE).. The ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) analysis was used to characterize and compare the differences chemical constituents of PASE and PDSE. The difference therapeutic effects between PASE and PDSE on obesity and associated metabolic disorders was investigated by high-fat (HF) diet induced mice model.. The fingerprint of Plantaginis semen were established by screening and identified 15 main components, including iridoids, phenethanol glycosides, flavonoids, guanidines, and fatty acids. Pentahydroxy flavanone was observed only in PDSE but not in PASE. The quantitative analysis results indicated that the main bioactive components in PASE were geniposidic acid and acteoside; their concentrations were three times higher in PASE than in PDSE. In anti-obesity effects, the result show the levels of fasting blood glucose were improved in both PASE and PDSE when compared with the HF group, while the PASE is show a significant effect then the PDSE group and improved the glucose tolerance but not in PDSE. The results also displayed that the Plantaginis semen did not modify food intake or body weight but decreased abdominal white/brown adipocyte size, serum total cholesterol (TC), triglyceride (TG), low density lipoprotein cholesterol (LDL-c), hepatic TG and TC, fecal TG and TC concentrations when compared with the HF group. Among these indicators, serum TG, liver TG, fecal TC and TG levels were significantly improved in PASE compared with PDSE. The results indicated that PASE treatment more effectively improved lipid and glucose metabolism in HF diet-induced obese mice than did PDSE.. As Plantaginis semen sources, P. asiatica L. seeds demonstrated more bioactive components and favorable metabolic disorder treatment outcomes than did P. depressa Willd. seeds.

    Topics: Adipocytes; Animals; Anti-Obesity Agents; Body Weight; Cholesterol, LDL; Diet, High-Fat; Hyperlipidemias; Iridoid Glucosides; Iridoids; Male; Mice, Inbred C57BL; Obesity; Plant Extracts; Plantago; Seeds; Triglycerides

2021
The ameliorative effect of monotropein, astragalin, and spiraeoside on oxidative stress, endoplasmic reticulum stress, and mitochondrial signaling pathway in varicocelized rats.
    BMC complementary and alternative medicine, 2019, Nov-26, Volume: 19, Issue:1

    Monotropein, astragalin, and spiraeoside (MAS) are active compounds extracted from medicinal herbs; monotropein from Morinda officinalis How (Rubiaceae), astragalin (kaempferol 3-O-glucoside) from Cuscuta chinensis Lamark (Convolvulaceae) and spiraeoside from the outer scales of Allium cepa L. (Liliceae) in a ratio of 6.69:0.41:3.61. Monotropein, astragalin, and spiraeoside are well-known antioxidants, anti-inflammatory, and antinociceptive agents. The current investigation aims to study the molecular mechanism of varicocele-induced male infertility and the underlying pharmacological mechanisms of MAS.. Four groups were included: control (CTR), MAS 200 group (MAS 200 mg/kg), varicocele group (VC), and VC + MAS 200 group (MAS 200 mg/kg). Sprague-Dawley (SD) rats were treated with 200 mg/kg MAS or vehicle once daily for 28 days. The possible signaling mechanism and effects of MAS were measured via histological staining, immunohistochemistry, western blot, and biochemical assays.. Parameters such as sperm motility and count, Johnsen's scores, spermatogenic cell density, serum testosterone, testicular superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx) and expression of the steroidogenic acute regulatory protein (StAR) improved significantly in the VC + MAS 200 group compared with the VC group. MAS treatment of varicocele-induced group significantly decreased the levels of serum luteinizing hormone (LH) and follicle-stimulating hormone (FSH), as well as testicular interleukin-6 (IL6), tumor necrosis factor-α (TNF-α), ROS/RNS, and malondialdehyde (MDA). It also decreased the apoptotic index and reduced the expression of endoplasmic reticulum (ER) protein levels (Grp78, p-IRE1α, and p-JNK) and apoptotic markers such as cleaved caspase-3 and Bax/Bcl2 ratio.. This study suggests that the crosstalk between oxidative stress, ER stress, and mitochondrial pathway mediates varicocele-induced testicular germ cell apoptosis. MAS promotes spermatogenesis in varicocele-induced SD rat, probably by decreasing cytokines (IL-6, TNF-α) levels, regulating abnormal sex hormones, and decreasing oxidative stress, ER stress, and apoptosis.

    Topics: Animals; Antioxidants; Body Weight; Disease Models, Animal; Endoplasmic Reticulum Stress; Iridoids; Kaempferols; Male; Mitochondria; Organ Size; Oxidative Stress; Quercetin; Rats; Rats, Sprague-Dawley; Signal Transduction; Testis; Varicocele

2019
Oral Acute and Repeated-Doses Toxicity Study of Valepotriates from Valeriana glechomifolia (Meyer) in Mice.
    Current drug discovery technologies, 2019, Volume: 16, Issue:1

    Species of Valeriana show sedative, hypnotic, anxiolytic, antidepressant and anti-inflammatory properties, which are associated with valepotriates. However, data about toxicity and safety of these compounds are still limited. The aim of this study was to investigate the toxicity of a valepotriate-enriched fraction (VAL) from Valeriana glechomifolia Meyer based on the Organization for Economic Cooperation and Development (OECD) guidelines 423 and 407.. In the acute study, CF1 mice were treated with a single dose of VAL (2000 mg/kg, p.o.) and observed for 14 days. In the repeated dose study, CF1 mice received single daily doses of VAL (30, 150 or 300 mg/kg, p.o.) or vehicle for 28 days. These doses were chosen based on previous results by our group and according to Guideline 407- OECD.. The acute study allowed to classify VAL in the hazard category 5. The repeat-dose study has shown that VAL 300 mg/kg delayed weight gain and reduced food consumption in the first week, probably due to transient sedative effects. The other doses had no effect on animals' ponderal evolution. At the end of the treatment, all groups had equal body weight and food consumption. None of the doses altered any behavioral, urinary, biochemical, hematological, anatomic or histological parameters.. A valepotriate-enriched fraction from Valeriana glechomifolia presents relatively low oral acute toxicity and does not induce evident toxicity after oral repeated treatment (at least up to 300 mg/kg) in mice.

    Topics: Administration, Oral; Animals; Body Weight; Eating; Iridoids; Male; Mice; Plant Extracts; Toxicity Tests, Acute; Toxicity Tests, Subacute; Valerian

2019
Geniposide ameliorates TNBS-induced experimental colitis in rats via reducing inflammatory cytokine release and restoring impaired intestinal barrier function.
    Acta pharmacologica Sinica, 2017, Volume: 38, Issue:5

    Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Body Weight; Caco-2 Cells; Colitis, Ulcerative; Cytokines; Down-Regulation; Humans; Intestinal Mucosa; Iridoids; Male; Neutrophil Infiltration; Permeability; Rats, Sprague-Dawley; Sulfasalazine; Trinitrobenzenesulfonic Acid; Up-Regulation

2017
Evaluation of the Antidepressant Activity, Hepatotoxicity and Blood Brain Barrier Permeability of Methyl Genipin.
    Molecules (Basel, Switzerland), 2016, Jul-16, Volume: 21, Issue:7

    Geniposide (GE) is the main bioactive component of Gardeniae Fructus. The hepatotoxicity of geniposide limited clinical application. In order to get a new geniposide derivative that has less hepatotoxicity and still possesses the antidepressant activity, a new C-1 hydroxyl methylation derivative named methyl genipin (MG) was synthesized from geniposide. In the present study, we demonstrated that MG did not increase the liver index, alanine aminotransferase (ALT) and aspirate aminotransferase (AST). Histopathological examination suggested that no toxic damages were observed in rats treated orally with MG (0.72 mmol/kg). More importantly, a 7-day treatment with MG at 0.13, 0.26, and 0.52 mmol/kg/day could reduce the duration of immobility. It showed that the antidepressant-like effects of MG were similar to GE in the tail suspension test and the forced swim test. Furthermore, we found MG could be detected in the brain homogenate of mice treated orally with MG 0.52 mmol/kg/day for 1 day by HPLC. The area under the curve (AUC) of MG in the brain homogenate was enhanced to 21.7 times that of GE. The brain amount and distribution speed of MG were improved significantly after oral administration. This study demonstrated that MG possessed the antidepressant effects and could cross the blood-brain barrier, but had less hepatotoxicity.

    Topics: Animals; Antidepressive Agents; Blood-Brain Barrier; Body Weight; Brain; Chromatography, High Pressure Liquid; Iridoids; Liver; Molecular Structure; Permeability; Rats; Tissue Distribution

2016
Iridoid-loganic acid versus anthocyanins from the Cornus mas fruits (cornelian cherry): Common and different effects on diet-induced atherosclerosis, PPARs expression and inflammation.
    Atherosclerosis, 2016, Volume: 254

    Cardiovascular benefits of fruits are attributed mainly to their (poly)phenolic constituents, especially anthocyanins. The main aim of our study is to compare effects of iridoids and anthocyanins from one fruit on diet-induced atherosclerosis. The cornelian cherry is a native or cultivated plant that grows in many European countries, used in cuisine and folk medicine. In our previous study, we showed its constituents and proved that oral administration of lyophilized fruits to hypercholesterolemic rabbits had preventive effects on atherosclerosis through the activation of PPARα expression. In this study, we have compared the effects of the main constituents of the cornelian cherry:iridoid loganic acid and anthocyanins.. Our experiment followed the model used in our previous study, in which rabbits were fed 1% cholesterol.. We showed that both loganic acid (20 mg/kg b.w.) and a mixture of anthocyanins (10 mg/kg b.w.) administered orally for 60 days had a positive impact on dyslipidemia caused by cholesterol-rich diet, although the effects of anthocyanins were more pronounced. Anthocyanins decreased total and LDL-cholesterol and triglycerides and increased HDL-cholesterol. Loganic acid showed similar effects, but only the triglycerides and HDL-cholesterol changes achieved statistical significance. Anthocyanins, and to a lesser extent loganic acid, significantly decreased intima thickness and intima/media ratio in the thoracic aorta. Both substances decrease ox-LDL in the plasma. Anthocyanins significantly increased expression of PPARγ and α in the liver. Loganic acid also increased their expression, but to a lesser extent. Conversely, loganic acid showed pronounced anti-inflammatory effects, decreasing TNF-α and IL-6 activity.. Our results imply that both substances have a positive effect on factors contributing to the development of diet-induced atherosclerosis. Our results also indicate the potential health benefits of fruits containing anthocyanins and iridoids, and support the idea of creating composed phytopharmaceuticals containing both groups of substances.

    Topics: Animals; Anthocyanins; Atherosclerosis; Body Weight; Cornus; Diet; Fruit; Inflammation; Interleukin-6; Iridoids; Lipoproteins, LDL; Liver; Phytotherapy; Plant Extracts; PPAR alpha; Rabbits; Triglycerides; Tumor Necrosis Factor-alpha

2016
(1)H NMR-based metabolic profiling of liver in chronic unpredictable mild stress rats with genipin treatment.
    Journal of pharmaceutical and biomedical analysis, 2015, Nov-10, Volume: 115

    Genipin, a hydrolyzed metabolite of geniposide extracted from the fruit of Gardenia jasminoides Ellis, has shown promise in alleviating depressive symptoms, however, the antidepressant mechanism of genipin remains unclear and incomprehensive. In this study, the metabolic profiles of aqueous and lipophilic extracts in liver of the chronic unpredictable mild stress (CUMS)-induced rat with genipin treatment were investigated using proton nuclear magnetic resonance ((1)H NMR) spectroscopy coupled with multivariate data analysis. Significant differences in the metabolic profiles of rats in the CUMS model group (MS) and the control group (NS) were observed with metabolic effects including decreasing in choline, glycerol and glycogen, increasing in lactate, alanine and succinate, and a disordered lipid metabolism, while the moderate dose (50mg/kg) of genipin could significantly regulate the concentrations of glycerol, lactate, alanine, succinate and the lipid to their normal levels. These biomakers were involved in metabolism pathways such as glycolysis/gluconeogensis, tricarboxylic acid (TCA) cycle and lipid metabolism, which may be helpful for understanding of antidepressant mechanism of genipin.

    Topics: Animals; Antidepressive Agents; Behavior, Animal; Body Weight; Depression; Disease Models, Animal; Iridoids; Liver; Magnetic Resonance Spectroscopy; Male; Metabolome; Metabolomics; Rats, Sprague-Dawley; Stress, Psychological

2015
Anti-obesity effect of (8-E)-niizhenide, a secoiridoid from Ligustrum lucidum, in high-fat diet-induced obese mice.
    Natural product communications, 2014, Volume: 9, Issue:10

    The effect of the extract of Ligustrumn lucidum fruits (LFE) and its major secoiridoid (LFS), (8-E)-nüzhenide, on obesity was investigated using high fat-diet (HFD)-induced C58BL/6J obese mice. LFE and LFS were administered at the doses of 300 mg/kg and 30 mg/kg, respectively, for 6 weeks. The anti-obesity activity was evaluated by measuring body weight, epididymal fat and metabolic plasma parameters. On Day 42, the body weight of the LFS-treated group was significantly lower compared with the HFD-treated group. Body weight gain was also reduced by 23.2% and 32.0% in the LFE- and LFS-treated groups, respectively, compared with the HFD group. In addition, the weight of the epididymal fat in the mice was significantly decreased in the HFD+LFS group. The food efficiency ratios (FERs) of the HFD+LFE and HFD+LFS groups were also lower compared with the HFD group with the same food intake. Metabolic parameters that had increased in the HFD group were decreased in the HFD+LFE and HFD+LFS groups. In particular, the increased triglyceride values were significantly reduced in the HFD+LFS group. These results show that treatment with LFE and LFS decreased HFD-induced obesity, mainly by improving metabolic parameters, such as fats and triglycerides. Therefore, LFE and LFS have potential benefits in regulation of obesity.

    Topics: Animals; Body Weight; Diet, High-Fat; Hypoglycemic Agents; Iridoids; Ligustrum; Mice; Mice, Obese; Obesity

2014
Prevention of liver carcinogenesis by amarogentin through modulation of G1/S cell cycle check point and induction of apoptosis.
    Carcinogenesis, 2012, Volume: 33, Issue:12

    Amarogentin, a secoiridoid glycoside, is an active component of the medicinal plant Swertia chirata. In this study, chemopreventive and chemotherapeutic actions of amarogentin were evaluated in a carbon tetrachloride (CCl(4))/N-nitrosodiethylamine (NDEA)-induced liver carcinogenesis mouse model system during continuous and posttreatment schedule. Better survival, no toxicity and increased body weight were noted in amarogentin-treated mice. Reduction in proliferation and increase in apoptosis frequency were evident in amarogentin-treated groups. In carcinogen control group moderate dysplasia, severe dysplasia and hepatocellular carcinoma were evident at 10th, 20th and 30th week, respectively. Amarogentin was found to prevent progression of liver carcinogenesis at mild dysplastic stage. Exposure to CCl(4)/NDEA resulted in upregulation of ppRb807/811, cyclinD1 and cdc25A at 10th week and additional activation of cMyc and mdm2 along with downregulation of LIMD1, p53 and p21 at 20th week. This was followed by activation of ppRb567 and downregulation of Rbsp3 at 30th week. Prevention of carcinogenesis by amarogentin in both groups might be due to cumulative upregulation of LIMD1, RBSP3, p16 and downregulation of cdc25A at 10th week along with activation of p53 and p21 and downregulation of ppRb807/811 and ppRb567 at 20th week, followed by downregulation of cyclinD1, cMyc and mdm2 at 30th week. During carcinogenesis reduction of apoptosis was evident since 20th week. However, amarogentin treatment could significantly induce apoptosis through upregulation of the Bax-Bcl2 ratio, activation of caspase-3 and poly ADP ribose polymerase cleavage. This is the first report of chemopreventive/therapeutic role of amarogentin during liver carcinogenesis through modulation of cell cycle and apoptosis.

    Topics: Animals; Apoptosis; Body Weight; Cell Cycle Checkpoints; Cell Proliferation; Chemoprevention; Female; G1 Phase; Iridoids; Liver; Liver Neoplasms, Experimental; Mice; Phosphorylation; Retinoblastoma Protein; S Phase

2012
Oleuropein attenuates hepatic steatosis induced by high-fat diet in mice.
    Journal of hepatology, 2011, Volume: 54, Issue:5

    Oleuropein, a secoiridoid derived from olives and olive oil, has been known to possess antimicrobial, antioxidative, and anticancer activities. The purpose of the present study was to determine whether oleuropein has a protective effect against hepatic steatosis induced by a high fat diet (HFD) and to elucidate its underlying molecular mechanisms in mice.. Male C57BL/6N mice were fed a normal diet (ND), HFD, or an oleuropein-supplemented diet (OSD) for 10 weeks. The plasma and hepatic lipid levels were determined, and the hepatic gene and protein expression levels were analysed via RT-PCR and Western blotting, respectively.. The supplementation of HFD with oleuropein reversed the HFD-induced increases in liver weight along with plasma and hepatic lipid levels in mice. The expression of Wnt10b inhibitor genes, such as secreted firizzed-related sequence protein 5 and dickkopf homolog 2, was downregulated, whereas the β-catenin protein expression was upregulated in the liver of OSD-fed mice compared to HFD-fed mice. Fibroblast growth factor receptor 1 (FGFR1), phosphoextracellular-signal-regulated kinase 1/2, cyclin D, and E2F transcription factor 1, along with several key transcription factors and their target genes involved in adipogenesis, were downregulated by oleuropein. OSD-fed mice exhibited decreased expression of the toll-like-receptor-(TLR)-mediated signaling molecules (TLR2, TLR4, and myeloid differentiation primary-response gene 88) and proinflammatory cytokines, in their livers, as compared to HFD mice.. These results suggest that the protective effects of oleuropein against HFD-induced hepatic steatosis in mice appear to be associated with the Wnt10b- and FGFR1-mediated signaling cascades involved in hepatic lipogenesis, along with the TLR2- and TLR4-mediated signaling implicated in hepatic steatosis.

    Topics: Animals; Antioxidants; beta Catenin; Body Weight; Dietary Fats; Disease Models, Animal; Extracellular Signal-Regulated MAP Kinases; Fatty Liver; Gene Expression; Iridoid Glucosides; Iridoids; Lipogenesis; Liver; Liver Cirrhosis; Male; Mice; Mice, Inbred C57BL; Non-alcoholic Fatty Liver Disease; Organ Size; Pyrans; Signal Transduction; Toll-Like Receptors

2011
Preventive effect of geniposide on metabolic disease status in spontaneously obese type 2 diabetic mice and free fatty acid-treated HepG2 cells.
    Biological & pharmaceutical bulletin, 2011, Volume: 34, Issue:10

    Accumulation of visceral fat induces various symptoms of metabolic syndrome such as insulin resistance and abnormal glucose/lipid metabolism and eventually leads to the onset of ischemic cerebrovascular diseases. Geniposide, which is iridoid glycoside from the fruit of Gardenia jasminoides ELLIS, is recognized as being useful against hyperlipidemia and fatty liver. In order to clarify the effect of geniposide on metabolic disease-based visceral fat accumulation and the relevant molecular mechanism, experiments were performed in spontaneously obese Type 2 diabetic TSOD mice and the free fatty acid-treated HepG2 cells. In the TSOD mice, geniposide showed suppression of body weight and visceral fat accumulation, alleviation of abnormal lipid metabolism and suppression of intrahepatic lipid accumulation. In addition, geniposide alleviated abnormal glucose tolerance and hyperinsulinemia, suggesting that geniposide has an insulin resistance-alleviating effect. Next, in order to investigate the direct effect of geniposide on the liver, the effect on the free fatty acid-treated HepG2 fatty liver model was investigated using genipin, which is the aglycone portion of geniposide. Genipin suppressed the intracellular lipid accumulation caused by the free fatty acid treatment and also significantly increased the intracellular expression of a fatty acid oxidation-related gene (peroxisomal proliferator-activated receptor: PPARα). From these results, it was confirmed that geniposide has an anti-obesity effect, an insulin resistance-alleviating effect and an abnormal lipid metabolism-alleviating effect, and the metabolite genipin shows a direct effect on the liver, inducing expression of a lipid metabolism-related gene as one of its molecular mechanisms.

    Topics: Adipose Tissue; Animals; Anti-Obesity Agents; Body Weight; Diabetes Mellitus, Type 2; Drug Evaluation, Preclinical; Fatty Acids, Nonesterified; Fatty Liver; Gardenia; Glucose Intolerance; Hep G2 Cells; Humans; Hyperinsulinism; Hypoglycemic Agents; Insulin Resistance; Iridoids; Lipid Metabolism; Liver; Male; Metabolic Diseases; Metabolic Syndrome; Mice; Mice, Obese; Obesity; Phytotherapy; Plant Preparations

2011
Oral supplementation of catalpol ameliorates diabetic encephalopathy in rats.
    Brain research, 2010, Jan-11, Volume: 1307

    Diabetes mellitus can cause dysfunction of the central nervous system called "diabetic encephalopathy." Although insulin and various oral drugs are used to treat diabetes, they do not completely prevent the development of diabetic encephalopathy, and novel strategies for the prevention and treatment are urgently needed. Catalpol, an iridoid glycoside, has properties of anti-inflammation, antioxidant and decreasing blood glucose level and thus has the possibility of treating diabetic encephalopathy. Therefore, the study was designed to investigate the effects of catalpol on diabetic encephalopathy in rats. A single dose of 65 mg/kg streptozotocin was injected intraperitoneally to induce diabetes. Intragastric infusion of catalpol was performed for 6 weeks with the doses of 10, 50 and 100 mg/kg, respectively. The Y-type maze test, biochemical measurement, Nissl staining and the terminal deoxynucleotidyl transferase-mediated UTP nick end labeling methods were used to evaluate the neuropathological changes and the effects of catalpol on diabetic rats. The results showed that streptozotocin-induced diabetes produced obvious neuron damage and cognitive dysfunction coupling with markedly increased oxidative stress in the brain. Long-term oral supplementation of catalpol improved neuronal injury and cognitive dysfunction by attenuating oxidative stress. The effects that catalpol could both increase the nerve growth factor concentration and decrease the blood glucose level were related with the function of defending against oxidative stress of catalpol. The study suggested that oral supplementation of catalpol might be a potential therapeutic strategy for the treatment and/or prevention of diabetic encephalopathy.

    Topics: Administration, Oral; Animals; Behavior, Animal; Blood Glucose; Body Weight; Catalase; Diabetes Mellitus, Experimental; Diabetic Neuropathies; Dietary Supplements; Disease Models, Animal; Dose-Response Relationship, Drug; Enzyme-Linked Immunosorbent Assay; Glucosides; Glutathione Peroxidase; In Situ Nick-End Labeling; Iridoid Glucosides; Iridoids; Lipid Peroxidation; Male; Malondialdehyde; Maze Learning; Nerve Growth Factor; Oxidative Stress; Rats; Rats, Sprague-Dawley; Superoxide Dismutase; Time Factors

2010
[Effects of geniposide on treating experimental chronic prostatitis rats].
    Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 2010, Volume: 35, Issue:8

    To study the effect of geniposide on treating experimental CP rats.. The animal model of CP was made with rats by injecting hemorrhoid injection. Rats in experiment group were randomly devided into model group, Qianliekang tablets group (2 g x kg(-1)) and geniposide high, middle, low dose groups (20, 10, 5 mg x kg(-1)). Subsequently, the state of all rats, prostate index, WBC and lecithine corpuscle, LDH5/LDH1, and prostatic histopathological changes were observed. Count of total cellular score (TCS) and quantitation of inflammatory cell, fibroblasts, glandular organ, calculation of glandular cavity area, and their changes of morphology were analyzed.. Compared with model group, the prostate index, WBC and LDHS/LDH1 of the rats in Qianliekang tablets group, high dose geniposide group and middle dose geniposide group were significantly decreased, while the quantities of lecithine corpuscle were remarkably increased (P < 0.01 or P < 0.05). Compared with model group, the number of inflammatory cells and fibroblasts in Qianliekang tablets group, high dose geniposide group were decreased, and the quantity of glandular organ and area of glandular cavity in these groups were increased (P < 0.05 or P < 0.01).. Geniposide of high and middle dose can reduce leucocytes infiltration, restrain the hyperplasia of fibrous tissue, and recover the secretion function of prostate. It show that geniposide is significantly potential to cure rats which are exposed to chronic prostatitis.

    Topics: Animals; Body Weight; Chronic Disease; Disease Models, Animal; Dose-Response Relationship, Drug; Iridoids; Isoenzymes; L-Lactate Dehydrogenase; Lactate Dehydrogenase 5; Leukocyte Count; Male; Prostate; Prostatitis; Rats; Rats, Sprague-Dawley

2010
Evaluation of loganin, iridoid glycoside from Corni Fructus, on hepatic and renal glucolipotoxicity and inflammation in type 2 diabetic db/db mice.
    European journal of pharmacology, 2010, Dec-01, Volume: 648, Issue:1-3

    Previously, we have reported that Corni Fructus possessed hypoglycemic and hypocholesterolemic effects in streptozotocin-induced type 1 diabetic rats and diet-induced hypercholesterolemic rats. Herein, we have focused on the effect and mechanism of loganin, a major iridoid glycoside of Corni Fructus, on the type 2 diabetic db/db mice. Loganin was orally administered to db/db mice at a dose of 20 or 100 mg/kg body weight daily for 8 weeks. The biochemical factors and expressions of protein and mRNA related to lipid metabolism, inflammation, advanced glycation endproducts, and its receptor were measured. In loganin-treated db/db mice, hyperglycemia and dyslipidemia were ameliorated in both the serum and hepatic tissue; however, in the kidney, only triglyceride was reduced. The enhanced oxidative stress was alleviated by loganin through a decrease in thiobarbituric acid-reactive substances (liver and kidney) and reactive oxygen species (serum, liver, and kidney), as well as augmentation of the oxidized to reduced glutathione ratio (liver and kidney). The marked lipid-regulatory effect of loganin was exerted in the liver of type 2 diabetic mice via suppressing mRNA expressions related to lipid synthesis and adjusting the abnormal expression of peroxisome proliferator-activated receptor α and sterol regulatory-element binding protein in the nucleus. Furthermore, loganin inhibited advanced glycation endproduct formation and the expression of its receptor, and nuclear factor-kappa B-induced inflammation in the hepatic tissue of db/db mice. Loganin exhibits protective effects against hepatic injury and other diabetic complications associated with abnormal metabolic states and inflammation caused by oxidative stress and advanced glycation endproduct formation.

    Topics: Animals; Biomarkers; Body Weight; Cholesterol; Cornus; Cyclooxygenase 2; Diabetes Mellitus, Type 2; Drinking; Fatty Acids; Gene Expression Regulation, Enzymologic; Glucose; Glycation End Products, Advanced; Hematologic Tests; Inflammation; Iridoids; Kidney; Lipid Metabolism; Liver; Lysine; Male; Mice; Nitric Oxide Synthase Type II; Organ Size; Oxidative Stress; PPAR alpha; RNA, Messenger; Sterol Regulatory Element Binding Protein 1; Sterol Regulatory Element Binding Protein 2; Transcription Factor RelA; Triglycerides

2010
Evaluation of hepatoprotective effect of Zhi-Zi-Da-Huang decoction and its two fractions against acute alcohol-induced liver injury in rats.
    Journal of ethnopharmacology, 2009, Nov-12, Volume: 126, Issue:2

    To investigate the hepatoprotective effect of Zhi-Zi-Da-Huang decoction (ZZDHD) and its two fractions (one is extracted with diethyl ether as a solvent from the water extract and is called ZD-DE for short, the other is the remained aqueous fraction after extracted with diethyl ether and is abbreviated as ZD-AQ) against acute alcohol-induced liver injury in rats.. Animals were administered orally with alcohol 6g/kg at 2h after the doses of ZZDHD and two fractions everyday for eight consecutive days except rats in normal group. The protective effect was evaluated by biochemical parameters including aspartate transaminase (AST), alanine transferase (ALT), reduced glutathione (GSH), malondialdehyde (MDA) and superoxide dismutase (SOD). The biochemical observations were supplemented by histopathological examination. HPLC-UV was used for phytochemical analysis of the ZZDHD and its two fractions.. The high dose of ZZDHD exhibited a significant protective effect by reversing the biochemical parameters and histopathological changes. ZD-DE and ZD-AQ demonstrated different protective action in biochemical examination. Partly assayed indexes were ameliorated after administrated the media dose of ZZDHD. HPLC analysis indicated that ZZDHD contained flavonoids, anthraquinones and iridoids, which might be the active chemicals.. This study demonstrated the hepatoprotective activity of ZZDHD thus scientifically supported the usage of this formula.

    Topics: Alanine Transaminase; Alcohols; Animals; Anthraquinones; Antioxidants; Aspartate Aminotransferases; Body Weight; Chemical and Drug Induced Liver Injury; Flavonoids; Glutathione; Iridoids; Liver; Magnoliopsida; Male; Malondialdehyde; Plant Extracts; Protective Agents; Rats; Rats, Sprague-Dawley; Superoxide Dismutase

2009
Oleuropein, a phenolic compound in extra virgin olive oil, increases uncoupling protein 1 content in brown adipose tissue and enhances noradrenaline and adrenaline secretions in rats.
    Journal of nutritional science and vitaminology, 2008, Volume: 54, Issue:5

    The effects of oleuropein, a phenolic compound in extra virgin olive oil (EV-olive oil), on triglyceride metabolism were investigated by measuring the degree of thermogenesis in interscapular brown adipose tissue (IBAT), and noradrenaline and adrenaline secretions in rats. In Experiment 1, rats were given a high-fat diet (control diet) with the oleuropein supplementation of 1, 2 or 4 mg/kg of diet (0.1, 0.2 or 0.4% oleuropein diet, respectively). After 28 d of feeding, body weight, perirenal adipose tissue, epididymal fat pad, and plasma triglyceride, free fatty acid and total cholesterol concentrations were reduced by the 0.1, 0.2 or 0.4% oleuropein diet and were significantly lowest in rats fed the 0.4% oleuropein diet, as compared with those of rats fed with the control diet. The content of uncoupling protein 1 (UCP1) in IBAT and urinary noradrenaline and adrenaline excretions were significantly higher in rats fed the 0.1 or 0.2% oleuropein diet, as compared with those of rats fed with the control diet, although there were no significant differences in rats fed the 0.4% oleuropein diet. In Experiment 2, the effects of oleuropein on noradrenaline and adrenaline secretion were evaluated. The intravenous administration of oleuropein and oleuropein aglycone significantly increased plasma noradrenaline and adrenaline concentrations. Furthermore, oleuropein aglycone induced the secretions of noradrenaline and adrenaline about ten fold more potently than oleuropein. These results suggest that the phenolic compound oleuropein in EV-olive oil enhances thermogenesis by increasing the UCP1 content in IBAT and noradrenaline and adrenaline secretions in rats.

    Topics: Adipose Tissue; Adipose Tissue, Brown; Adrenergic Agonists; Animals; Body Weight; Cholesterol; Dietary Supplements; Epinephrine; Fatty Acids, Nonesterified; Ion Channels; Iridoid Glucosides; Iridoids; Male; Mitochondrial Proteins; Norepinephrine; Olea; Olive Oil; Phenols; Plant Extracts; Plant Oils; Pyrans; Rats; Rats, Sprague-Dawley; Thermogenesis; Triglycerides; Uncoupling Protein 1

2008
A 13-week oral dose subchronic toxicity study of gardenia yellow containing geniposide in rats.
    Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2007, Volume: 45, Issue:8

    Gardenia yellow powders A, B and C, containing geniposide at 0.284%, 0.938% and 2.783%, respectively, were administered orally to male and female SD rats as 3% feed admixtures for 13-weeks to evaluate any potential toxicity. Mean geniposide intake values were 5.72, 18.9 and 56.3mg/kg/day in groups receiving these feed admixtures, respectively. All animals survived the duration of the study. The following findings were evident in the gardenia yellow C group: chromatouria, slightly increased plasma total bilirubin, blackish brown discoloration of the kidneys and liver, brown pigments in the proximal tubular epithelium of the kidneys. Slightly increased plasma total bilirubin was considered to be due to interference of metabolite of geniposide with the system of measurement and not to be a toxic effect since there were no related changes in histopathology of the liver or in any blood chemistry parameters. Other findings were limited to pigmentations or discolorations attributable to metabolites of geniposide. No treatment-related effects were evident on body weight, food consumption, ophthalmology, hematology or organ weights in any group. Therefore, it was concluded that 3-month ingestion of the gardenia yellow powder containing geniposide at 2.783% (approximately 60 mg/kg/day as geniposide intake) does not cause any severe toxic effects.

    Topics: Administration, Oral; Animals; Blood Chemical Analysis; Body Weight; Eating; Female; Food Coloring Agents; Gardenia; Histocytochemistry; Iridoids; Male; Plant Extracts; Pyrans; Rats; Rats, Sprague-Dawley; Statistics, Nonparametric; Survival Analysis

2007
Identification of antidiabetic effect of iridoid glycosides and low molecular weight polyphenol fractions of Corni Fructus, a constituent of Hachimi-jio-gan, in streptozotocin-induced diabetic rats.
    Biological & pharmaceutical bulletin, 2007, Volume: 30, Issue:7

    In our previous study, Corni Fructus (Cornus officinalis SIEB. et ZUCC.), a component crude drug of the Chinese prescription Hachimi-jio-gan, was reported to reduce glucotoxicities, up-regulate renal function, and consequently ameliorate glycation-associated renal damage as well as Hachimi-jio-gan. Based upon these facts, we prepared Corni Fructus fractions and evaluated which fraction contained the effective components against diabetes, using one iridoid glycoside and three polyphenol fractions, which were expected to possess stronger activities than Corni Fructus, administered orally at a dose of 20 mg/kg body weight/d for 10 d, respectively. As a result, iridoid glycosides and low molecular weight polyphenol fractions could reduce the pathogenesis of diabetic renal damage, each having different mechanisms, i.e., iridoid glycosides successfully decreased the hyperglycemic state and affected renal advanced glycation end-product (AGE) accumulation, such as N(epsilon)-(carboxyethyl)lysine and N(epsilon)-(carboxymethyl)lysine, while low molecular weight polyphenol fractions could reduce renal lipid peroxidation, the receptor for AGE, and inducible nitric oxide synthase. Overall, these data suggest that iridoid glycosides and low molecular weight polyphenols purified from Corni Fructus improve metabolic parameters associated with the development of diabetic renal damage. The main active components of these fractions are discussed.

    Topics: Animals; Body Weight; Cornus; Diabetes Mellitus, Experimental; Drugs, Chinese Herbal; Flavonoids; Hypoglycemic Agents; Iridoids; Kidney; Male; NF-kappa B; Organ Size; Phenols; Polyphenols; Rats; Receptor for Advanced Glycation End Products; Receptors, Immunologic; Streptozocin

2007
Hypoglycemic and antioxidant effect of oleuropein in alloxan-diabetic rabbits.
    Life sciences, 2006, Feb-16, Volume: 78, Issue:12

    Patients with diabetes mellitus are likely to develop certain complication such as retinopathy, nephropathy and neuropathy as a result of oxidative stress and overwhelming free radicals. Treatment of diabetic patients with antioxidant may be of advantage in attenuating these complications. Oleuropein, the active constituent of olive leaf (Olea europaea), has been endowed with many beneficial and health promoting properties mostly linked to its antioxidant activity. This study aimed to evaluate the significance of supplementation of oleuropein in reducing oxidative stress and hyperglycemia in alloxan-induced diabetic rabbits. After induction of diabetes, a significant rise in plasma and erythrocyte malondialdehyde (MDA) and blood glucose as well as alteration in enzymatic and non-enzymatic antioxidants was observed in all diabetic animals. During 16 weeks of treatment of diabetic rabbits with 20 mg/kg body weight of oleuropein the levels of MDA along with blood glucose and most of the enzymatic and non-enzymatic antioxidants were significantly restored to establish values that were not different from normal control rabbits. Untreated diabetic rabbits on the other hand demonstrated persistent alterations in the oxidative stress marker MDA, blood glucose and the antioxidant parameters. These results demonstrate that oleuropein may be of advantage in inhibiting hyperglycemia and oxidative stress induced by diabetes and suggest that administration of oleuropein may be helpful in the prevention of diabetic complications associated with oxidative stress.

    Topics: Animals; Antioxidants; Blood Glucose; Body Weight; Diabetes Mellitus, Experimental; Disease Models, Animal; Hypoglycemic Agents; Iridoid Glucosides; Iridoids; Oleaceae; Phytotherapy; Plant Leaves; Pyrans; Rabbits

2006
Lack of carcinogenicity of gardenia blue colour given chronically in the diet to F344 rats.
    Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2000, Volume: 38, Issue:4

    The carcinogenicity of gardenia blue colour was examined in Fischer 344 (F344) rats. Groups of 50 males and 50 females were given the material at dietary doses of 0 (control), 2.5 or 5% for 104 weeks and then sacrificed. The doses were selected on the basis of results from a 13-week subchronic toxicity study. A slight increase in relative organ weights of the left lung was observed in male rats of the 5% group. However, no significant differences between the control and treated groups were noted with regard to clinical signs, mortality and haematological findings. A variety of tumours developed in all groups, including the controls, but all were histologically similar to those known to occur spontaneously in F344 rats, and no statistically significant increase in the incidence of any type of neoplastic lesion was found for either sex in the treated groups. Thus, it was concluded that, under the present experimental conditions, gardenia blue colour is not carcinogenic in F344 rats.

    Topics: Administration, Oral; Animals; Blood; Body Weight; Carcinogenicity Tests; Dose-Response Relationship, Drug; Female; Glucosides; Iridoids; Male; Neoplasms, Experimental; Organ Size; Plant Extracts; Pyrans; Rats; Rats, Inbred F344; Survival Rate

2000
Improvement in the turnover rate of the stratum corneum in false aged model rats by the administration of geniposidic acid in Eucommia ulmoides Oliver Leaf.
    Biological & pharmaceutical bulletin, 1999, Volume: 22, Issue:6

    We earlier reported that collagen synthesis in false aged model rats was stimulated by the administration of a methanol extract from the leaves of Eucommia ulmoides OLIVER. When the methanol extract was fractionated to n-hexane, ethyl acetate, acetone and methanol fractions by silica gel chromatography, we discovered that geniposidic acid and aucubin, contained in the acetone fraction, were the active ingredients. In the current study, we set out to examine if active compounds found in the Eucommia ulmoides OLIVER leaf (EUOL) improved the low turnover rate in the stratum corneum of false aged model rats. The turnover rate in the stratum corneum in rats was measured as 50% dansyl chloride clearance day. In the first experiment, administration of a 2.4% water soluble methanol extract (WSME) of EUOL, along with an 11% protein diet, led to a 20% higher turnover rate in the stratum corneum (p<0.05, Mann-Whitney) than the control value. The WSME mainly contained iridoid mono-glycosides such as geniposidic acid. In the second experiment, treatment with geniposidic acid similarly caused a higher turnover rate in the stratum corneum, increasing turnover by 23% (p<0.05, Mann-Whitney) compared to the control value. In this paper we reveal that the WSME contains compounds effective against aging, and one of them is geniposidic acid.

    Topics: Aging; Animals; Body Weight; Drugs, Chinese Herbal; Epidermis; Glucosides; Iridoid Glucosides; Iridoids; Male; Plant Extracts; Plants, Medicinal; Pyrans; Rats; Rats, Wistar

1999
The promoting effects of geniposidic acid and aucubin in Eucommia ulmoides Oliver leaves on collagen synthesis.
    Biological & pharmaceutical bulletin, 1998, Volume: 21, Issue:12

    We have reported that collagen synthesis was stimulated by the administration of a hot water extract from the leaves of Eucommia ulmoides OLIVER, Eucommiaceae (Du-Zhong leaves) in false aged model rats. In this paper, we set out to examine the compounds in Du-Zhong leaves that stimulated collagen synthesis in false aged model rats. In experiment 1, a methanol extract of Du-Zhong leaves also stimulated collagen synthesis in aged model rats. An acetone fraction was derived from the methanol extract by silica gel chromatography in experiment 2. The acetone fraction mainly contained iridoides mono-glycosides such as geniposidic acid and aucubin. The administration of geniposidic acid or aucubin stimulated collagen synthesis in aged model rats in experiments 3 and 4 (significance (p<0.05)). The reported pharmacological effects of Du-Zhong leaves, including healing organs and strengthening bone and muscle, are closely related to collagen metabolism. It appears that geniposidic acid and aucubin are the actual compounds in Du-Zhong which caused the effect in our experiments.

    Topics: Aging; Animals; Body Weight; Collagen; Drugs, Chinese Herbal; Glucosides; Granuloma; Iridoid Glucosides; Iridoids; Magnoliopsida; Male; Organ Size; Plant Leaves; Pyrans; Rats; Rats, Wistar

1998