curcumin and Escherichia-coli-Infections

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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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; 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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

Five phytochemicals/extracts (an extract from Echinacea purpurea, a β-glucan-rich extract from Shiitake, betaine [Betain™], curcumin from Curcuma longa [turmeric] powder, carvacrol and also a recombinant fungal immunomodulatory protein [FIP] from Ganoderma lucidum) cloned and expressed in Escherichia coli were investigated for their anticolibacillosis potential in three chicken experiments, which were conducted in floor pens. Birds that were inoculated with E. coli intratracheally were treated with the phytochemicals/extracts or the FIP and compared with doxycycline-medicated and non-medicated infected broilers. Non-medicated and non-infected birds were used as negative controls. Mortality, colibacillosis lesions and body weight gains were used as parameters. Considering the sum of dead birds and chickens with generalized colibacillosis per group, there was no significant difference between the positive control groups and birds treated with phytochemicals/extracts or the FIP. In contrast, doxycycline-treated birds showed significantly lower mortality and generalized colibacillosis. Moreover, none of the phytochemicals/extracts and the FIP improved recovery from colibacillosis lesions, while all doxycycline-treated broilers recovered completely. The negative control birds and doxycycline-treated groups consistently showed the highest weight gains. Pulsed-field gel electrophoresis of reisolates showed that they were genetically indistinguishable from the inoculation strain. In conclusion, none of the tested phytochemicals/extracts and the FIP significantly reduced the E. coli-induced mortality and generalized colibacillosis, and nor did they improve recovery from colibacillosis lesions.

Topics: Animals; Anti-Bacterial Agents; Betaine; Body Weight; Chickens; Curcuma; Curcumin; Cymenes; Doxycycline; Echinacea; Electrophoresis, Gel, Pulsed-Field; Escherichia coli; Escherichia coli Infections; Monoterpenes; Plant Extracts; Poultry Diseases; Reishi; Shiitake Mushrooms; Statistics, Nonparametric

Pet and EspC are toxins secreted by enteroaggregative (EAEC) and enteropathogenic (EPEC) diarrheagenic

Topics: Bacterial Outer Membrane; Bacterial Toxins; Binding Sites; Curcumin; Cytoskeleton; Enteropathogenic Escherichia coli; Enterotoxins; Escherichia coli Infections; Escherichia coli Proteins; Host-Pathogen Interactions; Humans; Models, Molecular; Molecular Conformation; Protein Binding; Proteolysis; Serine Endopeptidases; Structure-Activity Relationship

Non-spherical structures are beneficial to advance drug delivery effectiveness compared with common spherical ones, due to increased drug loading capability, improved bonding to a vascular wall, enhanced cellular uptake efficacy and prolonged circulation times. In this study, flower-like Zinc oxide-βcyclodextrin (βCD) nanostructures functionalized by 3-mercaptopropionic acid (MPA) as a non-spherical delivery system was successfully synthesized for aqueous delivery of curcumin (CUR) to enhance its targeting, bioavailability, and release profile. Terminal carboxyl functional groups were used for the conjugation of folic acid (FA) with the aim of active targeting to folate overexpressing breast cancer cells. The in vitro experimental study and mathematical modeling of CUR release revealed a sustained release with Fickian diffusion as the major release mechanism. MTT, colony formation and Annexin-V FITC/PI assays showed the superior anticancer effect of the system compared to free CUR against breast cancer cell line MDA-MB-231 by promoting the apoptotic respond with no cytotoxic effect on HEK293 normal cells. The efficacy of targeting strategy with FA moieties was demonstrated using the augmented cellular uptake of the FA-conjugated system on overexpressed folate receptor alpha (FRα) cells (MDA-MB-468 breast cancer cell line). Furthermore, loading of CUR to the delivery systems significantly lowered the MIC values (2.5 to 5-fold) against S. aureus and E. coli the infections of which are serious problems in cancer patients. According to the results of this study, the system can serve as a promising non-spherical delivery vehicle for enhancing bioavailability and targeting of hydrophobic anticancer agents in the future.

Topics: 3-Mercaptopropionic Acid; Antineoplastic Agents; Apoptosis; beta-Cyclodextrins; Breast Neoplasms; Cell Line, Tumor; Curcumin; Drug Carriers; Escherichia coli; Escherichia coli Infections; Female; Folic Acid; HEK293 Cells; Humans; Nanostructures; Staphylococcal Infections; Staphylococcus aureus; Zinc Oxide

There is an urgent need to develop alternative antimicrobial agents and, one of which is via the use of nanotechnology. Green synthetic routes are recently being replaced for nanoparticles preparation. Methods results: Silver-curcumin nanoconjugates (Ag-CurNCs) were prepared in an eco-friendly method. The prepared nanomaterials were characterized and the photostability was studied under the influence of UV irradiation. Results showed that, the conjugation between curcumin and silver in the nanoform improve the photostability of curcumin. Cytotoxicity was studied on different skin cell lines, and antibacterial activity was investigated against Escherichia coli. Results revealed the antibacterial activity of the prepared nanoconjugates (Ag-CurNCs) with minimal toxicity to skin cells.. Silver nanoparticles improve the photostability and antibacterial activity of curcumin, while curcumin helps in preparing biocompatible silver nanoparticles.

Topics: Anti-Bacterial Agents; Antineoplastic Agents; Cell Line; Cell Line, Tumor; Curcumin; Escherichia coli; Escherichia coli Infections; Green Chemistry Technology; Humans; Metal Nanoparticles; Nanoconjugates; Silver; Skin Neoplasms

Carbon dots (C-dots) are fluorescent nanomaterials that possess good photostability and low toxicity. They have been used as sensing probes and bioimaging agents for a variety of biological species. Numerous methods are available to generate C-dots. Nevertheless, simple and straightforward synthesis methods must be explored for the synthesis of C-dots from inexpensive, natural sources. In this study, we developed a simple method to generate C-dots from inexpensive chicken egg whites through a one-step heating reaction. The size of the generated C-dots was 3.3±0.4nm, and the quantum yield of the C-dots was as high as ∼43%. The as-prepared C-dots can be used as multicolor labeling agents for bacteria such as Staphylococcus aureus and Escherichia coli. Furthermore, the generated C-dots can be used as Förster resonance energy transfer sensing probes for curcumin, which is an active ingredient of turmeric and medicinal pigment. The feasibility of using the C-dots as selective sensing probes to determine the amount of curcumin from complex turmeric powder and condensed turmeric tablets is also demonstrated.

Topics: Animals; Antineoplastic Agents; Biosensing Techniques; Carbon; Chickens; Curcuma; Curcumin; Escherichia coli; Escherichia coli Infections; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Quantum Dots; Staphylococcal Infections; Staphylococcus aureus; Tablets

Polyphenon 60 (P60) and curcumin (CUR) were loaded in a single nanoemulsion system and their combined antibacterial action was studied against uropathogenic Escherichia coli. To enhance availability at target organs and to inhibit enzymatic degradation in gastro intestinal tract, vaginal route of administration was explored. P60 + CUR nanoemulsion (NE) was formulated by ultra-sonication and optimized using Box-Behnken design. Optimized NE showed Z-average of 211.2 nm, polydispersity index of 0.343, and zeta potential of -32.7 mV. Optimized P60+ CUR NE was characterized by stability testing and transmission electron microscopy, and it was observed that NE was stable at 4°C for 30 days and monodisperse in nature with particle size of 195-205 nm. P60+ CUR NE was further formulated as gel and characterized by viscosity, growth curve analysis, and in vitro permeation studies. In vitro drug permeation studies in simulated vaginal media showed maximum permeation (84 ± 0.21%) of curcumin within 5 h and (91 ± 0.16%) of P60 within 8 h. Both the drugs maintained sustained permeation for 12 h. To investigate the transport via intravaginal route, gamma scintigraphy and biodistribution study of P60 + CUR NBG was performed on Sprague-Dawley rats using

Topics: Administration, Intravaginal; Animals; Anti-Infective Agents; Curcumin; Disease Models, Animal; Drug Carriers; Emulsions; Escherichia coli Infections; Male; Nanoparticles; Particle Size; Phenols; Rats; Rats, Sprague-Dawley; Tissue Distribution; Treatment Outcome

The propagation of pathogens resistant to antibiotics around the globe has induced an urgent call for action: alternatives to conventional antibiotic therapy have to be developed to prevent a post-antibiotic catastrophe. This study focuses on the enhancement of Photodynamic Inactivation (PDI) of Gram(+) versus Gram(-) bacteria comparing a cationic derivative of curcumin (SACUR-3) to curcumin bound to polyvinylpyrrolidone (PVP-CUR) using an ex vivo porcine skin model to simulate an application on the human skin and foodstuff.. Porcine skin samples were inoculated with either Staphylococcus aureus or Escherichia coli and treated with either SACUR-3 or PVP-CUR at concentrations of 50 or 100 μM, respectively. Subsequent to blue light illumination (435 nm, 33.8 J cm(-2)) quantitative analyses were performed by counting the colony forming units. Furthermore, the localization of both photoactive compounds in the porcine skin was determined by fluorescence microscopy. PDI of S. aureus resulted in a reduction of 2.2 log10 steps if employing 50 μM of SACUR-3 and of 1.7 log10 steps with 50 μM of PVP-CUR. Phototoxicity towards E. coli was 3.3 log10 steps using 100 μM of SACUR-3 and 0.3 log10 steps for 100 μM of PVP-CUR. Both compounds do not exceed the stratum corneum of the skin.. A direct comparison of both approaches yields that the cationic curcumin derivative SACUR-3 is effective against Gram(+) and Gram(-) pathogens, whereas the formulation of PVP-CUR has a photokilling effect on the Gram(+) model strain only, but leaves the approval of curcumin as a food additive E100 unaffected. Our results suggest the applicability of SACUR-3-based PDI in dermatology, hand hygiene and food production.

Topics: Animals; Anti-Bacterial Agents; Curcumin; Escherichia coli; Escherichia coli Infections; Humans; Photosensitizing Agents; Povidone; Skin; Staphylococcal Infections; Staphylococcus aureus; Swine

Scaffold if suitably modified could be used as a drug delivery system.. To develop chitosan scaffold as a delivery system for delivering curcumin in wound-healing application.. Chitosan-curcumin microcomplex particles were prepared, and the effect of drug-polymer ratio (DPR) and homogenisation speed (HS) was studied using a two-level full-factorial design. Chitosan scaffold was prepared and incorporated with curcumin microcomplexes to obtain a chitosan scaffold-containing chitosan-curcumin microcomplex (CS-CCM). Antimicrobial property of the CS-CCM against Escherichia coli was studied. The cytotoxicity of CS-CCM was studied by assessing the cell viability by MTT assay.. DPR had a significant effect (p ≤ 0.05) on the drug content. CS-CCM was able to inhibit the growth of E. coli considerably. The MTT results showed that CS-CCM is non-cytotoxic and supports cell proliferation.. CS-CCM due to its biocompatibility and antimicrobial property could be further evaluated for potential application in wound healing.

Topics: Anti-Bacterial Agents; Chitosan; Curcumin; Drug Carriers; Escherichia coli; Escherichia coli Infections; Humans

The aim of this study was to evaluate the effect of dietary curcumin supplementation on growth performance and intestinal mucosal barrier function of weaned piglets. Fifty piglets, weaned at 21±2 days of age, were randomly allotted to five treatments for 21 days. The dietary treatments were the control (basal diet), and the basal diet supplemented with 50mg/kg quinocetone, or 200 mg/kg, 300 mg/kg or 400mg/kg curcumin. The piglets were housed in individual pens and orally challenged with enterotoxigenic Escherichia coli (ETEC) during the preliminary trial period. The jejunal morphology and histology analysis were detected under light microscope. The plasma D-lactate and diamine oxidase (DAO) were determined by using enzymatic spectrophotometric assay. Immunohistochemistry assays were used to examine secretory immunoglobulin (sIgA) protein expression. Real-time PCR was used to determine mRNA levels of cytokine and Toll-like receptor 4 (TLR4) in jejunal mucosa. The results showed that, compared with the control, dietary addition of 300 mg/kg or 400 mg/kg curcumin decreased (P<0.05) feed/gain ratio and crypt depth, improved (P<0.05) villus height and villus height:crypt depth ratio, reduced (P<0.05) plasma D-lactate and DAO activity, up-regulated the protein expression of sIgA (P<0.05), increased (P<0.05) the number of goblet cells (GCs) and reduced (P<0.05) the number of intraepithelial lymphocytes (IELs). The mRNA levels of interleukin 1β (IL-1β) and TLR4 and tumor necrosis factor α (TNF-α) were also decreased (P<0.05), but mRNA level of interleukin 10 (IL-10) was increased (P<0.05). There was no difference in the above parameters between the 300 mg/kg and 400 mg/kg curcumin groups. Pigs fed with 50 mg/kg quinocetone also decreased (P<0.05) feed/gain ratio, increased villus height:crypt depth ratio (P<0.05), and reduced (P<0.05) crypt depth and mRNA levels of TLR4. In conclusion, curcumin and the quinocetone have similar effects in improving piglet growth, but dietary addition of 300 mg/kg or 400 mg/kg curcumin was more effective than quinocetone in improving intestinal mucosal barrier integrity, morphology, and immune status of weaned pigs. This indicates that curcumin could be used as a potential feed additive replacing quinocetone in weaned piglets.

Topics: Animals; Curcumin; Cytokines; Dietary Supplements; Enterocolitis; Escherichia coli; Escherichia coli Infections; Growth and Development; Immunity, Innate; Immunoglobulin A; Intestinal Mucosa; Jejunum; Quinoxalines; Swine; Weaning

Many curcuminoid derivatives have been reported to have multiple biological activities. The aim of this study was to improve the biological activity of curcuminoids by synthesizing 16 new derivatives which combined cinnamic acids with curcuminoids, and we also analyzed the structure-activity relationship of the new compounds. Almost all the new compounds showed encouraging activity, especially compound 7g. It had much better antioxidant activity than curcuminoids and Vitamin C (VC), and also had the most significant antibacterial activity, which was 5-folder better than ampicillin (one of the best marketed antibiotics) with a minimum inhibitory concentration (MIC) of 0.5 µg/mL against Gram-positive cocci (Staphylococcus aureus and Streptococcus viridans) as well as Escherichia coli and 0.6 µg/mL against Enterobacter cloacae. Compound 7g also showed the greatest anticancer activity with a much lower IC50, which was 0.51 µM against MCF-7, 0.58 µM against HepG-2, 0.63 µM against LX-2, and 0.79 µM against 3T3. The results suggest that these compounds have promising potential as candidates for the treatment of cancer and thus further studies are warranted.

Topics: Animals; Anti-Bacterial Agents; Antineoplastic Agents; Antioxidants; Cell Line, Tumor; Cinnamates; Curcumin; Escherichia coli; Escherichia coli Infections; Humans; Neoplasms; Staphylococcus aureus; Streptococcal Infections; Structure-Activity Relationship; Viridans Streptococci

This study was conducted to characterize the effects of infection with a pathogenic F-18 Escherichia coli and 3 different plant extracts on gene expression of ileal mucosa in weaned pigs. Weaned pigs (total = 64, 6.3 ± 0.2 kg BW, and 21-d old) were housed in individual pens for 15 d, 4 d before and 11 d after the first inoculation (d 0). Treatments were in a 2 × 4 factorial arrangement: with or without an F-18 E. coli challenge and 4 diets (a nursery basal, control diet [CON], 10 ppm of capsicum oleoresin [CAP], garlic botanical [GAR], or turmeric oleoresin [TUR]). Results reported elsewhere showed that the plant extracts reduced diarrhea in challenged pigs. Total RNA (4 pigs/treatment) was extracted from ileal mucosa of pigs at d 5 post inoculation. Double-stranded cDNA was amplified, labeled, and further hybridized to the microarray, and data were analyzed in R. Differential gene expression was tested by fitting a mixed linear model in a 2 × 4 factorial ANOVA. Bioinformatics analysis was conducted by DAVID Bioinformatics Resources 6.7 (DAVID; National Institute of Allergy and Infectious Diseases [NIAID, NIH], http://david.abcc.ncifcrf.gov). The E. coli infection altered (P < 0.05) the expression of 240 genes in pigs fed the CON (148 up- and 92 down-regulated). Compared with the infected CON, feeding CAP, GAR, or TUR altered (P < 0.05) the expression of 52 genes (18 up, 34 down), 117 genes (34 up- and 83 down-regulated), or 84 genes (16 up- and 68 down-regulated), respectively, often counteracting the effects of E. coli. The E. coli infection up-regulated (P < 0.05) the expression of genes related to the activation of immune response and complement and coagulation cascades, but down-regulated (P < 0.05) the expression of genes involved in protein synthesis and accumulation. Compared with the CON, feeding CAP and GAR increased (P < 0.05) the expression of genes related to integrity of membranes in infected pigs, indicating enhanced gut mucosa health. Moreover, feeding all 3 plant extracts reduced (P < 0.05) the expression of genes associated with antigen presentation or other biological processes of immune responses, indicating they attenuated overstimulation of immune responses caused by E. coli. These findings may explain why diarrhea was reduced and clinical immune responses were ameliorated in infected pigs fed plant extracts. In conclusion, plant extracts altered the expression of genes in ileal mucosa of E. coli-infected pigs, perhaps leading to the

Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Capsicum; Curcuma; Diet; Dietary Supplements; Escherichia coli Infections; Garlic; Ileum; Intestinal Mucosa; Oligonucleotide Array Sequence Analysis; Plant Extracts; Swine; Swine Diseases; Transcriptome

Throughout human history, plant products have been used for many purposes including as medicines. Herbal products and spices can be used as preventive agents against cancer due to their antimicrobial, antioxidant and antitumorigenic properties. This study was designed to evaluate the potential protective effect of curcum in rats administered nitrosamine precursors; dibutylamine (DBA) and sodium nitrate (NaNO3); and infected with Escherichia coli (E. coli) and also to monitor changes in nuclear factor the Kappa B p65 (NF-κB p56) pathway and its downstream products, Bcl-2 and interleukin-6 (IL-6), in parallel with nitrosamine precursors, E. coli and curcum treatment. Rats were divided into three groups (n=25 each; except of control group, n+20). Group I a normal control group, group II administered DBA/NaNO3 in drinking water and infected with E. coli and group III was administered DBA/NaNO3 in drinking water, infected with E. coli and receiving standard diet containing 1% curcum powder. Histopathological examination reflected that the curcum treated group featured a lower incidence of urinary bladder lesions,and lower levels of NF-κB, Bcl-2 and IL-6, than the group receiving nitrosamine precursor and infected with E. coli. These findings suggested that curcum may have a protective role during the process of bladder carcinogenesis by inhibiting the NF-κB pathway and its downstream products.

Topics: Animals; Butylamines; Carcinogens; Curcuma; Diet; Escherichia coli; Escherichia coli Infections; Interleukin-6; Male; NF-kappa B; Nitrates; Proto-Oncogene Proteins c-bcl-2; Rats; Urinary Bladder; Urinary Bladder Neoplasms