benzofurans and Endometriosis

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

With the progress of global industrialization and environmental deterioration, the relationship between human health and the living environment has become an increasing focus of attention. Polychlorinated biphenyls (PCBs, including dioxin-like polychlorinated biphenyls and non-dioxin-like polychlorinated biphenyls), as part of the organic chlorine contaminants, have been suspected as playing a role in the etiopathogenesis of endometriosis. Several population-based studies have proposed that exposure to PCBs may increase the risk of developing endometriosis, while some epidemiological studies have failed to find any association between PCBs and endometriosis. The purpose of this review is to discuss the potential pathophysiological relationship between endometriosis and PCBs with a focus on both dioxin-like polychlorinated biphenyls and non-dioxin-like polychlorinated biphenyls.

Topics: Benzofurans; Chlorine; Dioxins; Endometriosis; Environmental Exposure; Environmental Pollutants; Female; Humans; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins

Here we review epidemiologic studies dealing with the dietary intake and the body burden of polychlorinated dibenzo-p-dioxins (PCDDs)/polychlorinated dibenzo-furans (PCDFs)/ polychlorinated biphenyls (PCBs) in the general population, and potential adverse health effects of these substances, especially on the risk of diabetes mellitus and endometriosis, and on thyroid function and the neurodevelopment of infants. The mean or median intake of dioxin-related compounds among the general populations of various countries is lower than the maximum tolerable daily intake (TDI) set by the WHO in 1998 (4pg TEQ/kg/day). However, there have been few reports on the distribution of intake and the proportion of subjects whose exposure levels exceed the maximum TDL. At present, it remains unclear whether background exposure to dioxin-related compounds is associated with increased risk of diabetes (because of lack of longitudinal studies), endometriosis (because of lack of studies with sufficient statistical power), or altered thyroid function (because of inconsistent results on humans). Consistent results have been reported for the association between exposure to background levels of PCBs/dioxins, especially trans-placental PCBs, and defective neurodevelopment of infants in the U.S. and Europe. Thus, efforts should be made to further decrease the body burden among women of reproductive age by reducing the release of PCDDs/PCDFs/PCBs into the environment.

Topics: Benzofurans; Body Burden; Diabetes Mellitus; Diet; Endometriosis; Environmental Pollutants; Epidemiologic Methods; Female; Humans; Male; Nervous System; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Polymers; Pregnancy; Thyroid Gland

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; 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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; 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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; 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Are the levels of biologically active and the most toxic dioxin-like substances in adipose tissue of patients with deep infiltrating endometriosis (DIE) higher than in a control group without endometriosis?. DIE patients have higher levels of dioxins and polychlorinated biphenyls (PCBs) in adipose tissue compared with controls without endometriosis.. Some studies have investigated the levels of dioxin-like substances, in serum samples, in patients with endometriosis, with inconsistent results.. Case-control study including two groups of patients. The study group (DIE group) consisted of 30 patients undergoing laparoscopic surgery because of DIE. In all patients, an extensive preoperative work-up was performed including clinical exploration, magnetic resonance imaging (MRI) and transvaginal sonography. All patients with DIE underwent a confirmatory histological study for DIE after surgery. The non-endometriosis control group (control group), included the next consecutive patient undergoing laparoscopic surgery in our center due to adnexal benign gynecological disease (ovarian or tubal procedures other than endometriosis) after each DIE patient, and who did not present any type of endometriosis.. During the surgical procedure 1-2 g of adipose tissue from the omentum were obtained. Dioxin-like substances were analyzed in adipose tissue in DIE patients and controls without endometriosis.. The total toxic equivalence and concentrations of both dioxins and PCBs were significantly higher in patients with DIE in comparison with the control group (P < 0.05), mainly due to the significantly higher values of the two most toxic dioxins (2,3,7,8-tetrachlorodibenzo-p-dioxin [2,3,7,8-TCDD] and 1,2,3,7,8-pentachlorodibenzo-p-dioxin [1,2,3,7,8-PeCDD]) (P < 0.01 for each compound). The levels of furan 2,3,4,7,8-PeCDF were statistically higher in the DIE group compared with controls. Only four congeners of PCBs had toxic equivalence values and concentrations that were statistically higher in patients with DIE, but these included the most toxic and carcinogenic PCB-126 (PCB-114 P < 0.05; PCB-156 P < 0.05; PCB-189 P = 0.04; PCB-126 P < 0.01).. Since few patients were recruited, the study is only exploratory. Our results need to be confirmed in larger and more heterogeneous population studies since environmental and even genetic factors involved in determining dioxins and PCBs widely vary in different countries. Furthermore, the strict eligibility criteria used may preclude generalization of the results to other populations and the surgery-based sampling frame may induce a selection bias. Finally, adipose tissue was obtained only from the omentum, and not from other adipose tissue of the body.. Our results suggest a potential role of dioxin-like substances in the pathogenesis of DIE. Further studies are warranted to confirm our findings.. None.. Not applicable.

Topics: Adipose Tissue; Adolescent; Adult; Benzofurans; Body Mass Index; Case-Control Studies; Dioxins; Endometriosis; Female; Humans; Laparoscopy; Limit of Detection; Magnetic Resonance Imaging; Polychlorinated Biphenyls; Ultrasonography; Vagina; Young Adult

The 5-HT(4) receptor agonist prucalopride enhances large intestinal contractility by facilitating acetylcholine release through activation of 5-HT(4) receptors on cholinergic nerves and is effective in patients with constipation. Patients with intestinal endometriosis can present with constipation. We investigated in vitro whether large intestinal endometriotic infiltration influences contractility and facilitation of acetylcholine release by prucalopride.. Sigmoid colon or rectum circular muscle strips were obtained at the level of an endometriotic nodule with infiltration of the Auerbach plexus, and at a macroscopically healthy site at least 5 cm cranially from the nodule, in patients undergoing laparoscopic colorectal resection because of symptomatic bowel endometriosis. Responses to muscarinic receptor stimulation and to electrical field stimulation (EFS), and the facilitating effect of prucalopride on acetylcholine release were evaluated.. The EC50 and E(max) of the contractile responses to the muscarinic receptor agonist carbachol did not differ between healthy and lesioned strips. EFS-induced on-contractions were not different between the healthy and lesioned strips, while the non-nitrergic relaxant responses induced by EFS were decreased in the lesioned strips. The facilitating effect of prucalopride on acetylcholine release in healthy strips was similar to that reported before in macroscopically healthy colon tissue of patients with colon cancer; in lesioned strips, the effect of prucalopride was fully maintained in 6/8 patients and absent in two.. Large intestinal endometriosis does not lead to a systematic interference with the cholinergic facilitating effect of prucalopride.

Topics: Acetylcholine; Adult; Area Under Curve; Benzofurans; Electric Stimulation; Endometriosis; Female; Humans; Intestinal Diseases; Intestine, Large; Middle Aged; Muscle Contraction; Muscle, Smooth; Receptors, Serotonin, 5-HT4; Serotonin Receptor Agonists; Signal Processing, Computer-Assisted

Endometriosis is a common gynecologic disease characterized by the ectopic growth of endometrial tissue. In industrialized countries, it affects approximately 10% of women of reproductive age. Its etiology is unclear, but a multifactorial origin is considered to be most plausible. Environmental organochlorinated persistent pollutants, in particular dioxins and polychlorinated biphenyls (PCBs), have been hypothesized to play a role in the disease etiopathogenesis. However, results of studies carried out on humans are conflicting.. We evaluated the exposure to organochlorinated persistent pollutants as a risk factor for endometriosis.. We conducted a case-control study in Rome on 158 women comprising 80 cases and 78 controls. In all women, serum concentrations of selected non-dioxin-like PCBs (NDL-PCBs) and dioxin-like PCBs (DL-PCBs), 1,1-dichloro-2,2,-bis(4-chlorophenyl)-ethene (p,p'-DDE), and hexachlorobenzene (HCB) were determined by ion-trap mass spectrometry. DR-CALUX bioassay was employed to assess the 2,3,7,8-tetrachlorodibenzo-p-dioxin toxicity equivalent (TEQ) concentrations of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and DL-PCBs.. We found an increased risk of endometriosis for DL-PCB-118 [odds ratio (OR) = 3.79; 95% confidence interval (CI), 1.61-8.91], NDL-PCB-138 (OR = 3.78; 95% CI, 1.60-8.94), NDL-PCB-153 (OR = 4.88; 95% CI, 2.01-11.0), NDL-PCB-170 (OR = 3.52; 95% CI, 1.41-8.79), and the sum of DL-PCBs and NDL-PCBs (OR = 5.63; 95% CI, 2.25-14.10). No significant associations were observed with respect to HCB or to the sum of PCDDs, PCDFs, and DL-PCBs given as total TEQs.. The results of this study show that an association exists between increased PCB and p,p'-DDE serum concentrations and the risk of endometriosis.

Topics: Adult; Benzofurans; Case-Control Studies; Dibenzofurans, Polychlorinated; Endometriosis; Endometrium; Environmental Pollutants; Female; Hexachlorobenzene; Humans; Hydrocarbons, Chlorinated; Italy; Mass Spectrometry; Pesticides; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Risk Factors; White People; Young Adult

Peritoneal endometriosis (PE) and deep endometriotic nodules (DEN) are gynecological diseases recently shown to be associated with elevated serum concentrations of organochlorines. The objective of the present study was to compare risk factors associated with both forms of the disease, with a particular attention to potential sources of organochlorine exposure. This matched case-control study with prospective recruitment included 88 triads (PE-DEN-control). All women were face-to-face interviewed with a standardized questionnaire, and serum dioxin and polychlorinated biphenyl measurements were available for 58 of them. Alcohol consumption (odds ratio (OR): 5.82 [confidence interval at 95% (95%CI) 1.20-28.3]) in DEN and low physical activity at work for DEN (OR: 4.58 [95%CI 1.80-11.62]) and PE (OR: 5.61 [95%CI 1.90-16.60]) were traced as significant risk factors. Organochlorine-related factors (use of tampons, occupational or environmental exposure) were not related to the disease. The current consumption of foodstuffs that were more likely to contribute to organochlorine body burden did not differ among the groups. Only some of these fatty foodstuffs (marine fish, pig meat) were traced by multiple regression analysis as significant determinants of organochlorine body burden, explaining only a small fraction (20%) of the interindividual variation of organochlorine body burden. We conclude that PE and DEN share similar patterns of risk or protective factors.

Topics: Adult; Alcohol Drinking; Belgium; Benzofurans; Case-Control Studies; Contraceptives, Oral; Dibenzofurans, Polychlorinated; Dietary Fats; Endometriosis; Environmental Exposure; Environmental Pollutants; Female; Humans; Lactation; Motor Activity; Parity; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Pregnancy; Risk Factors; Uterine Diseases

Dioxin-like compounds (DLCs) are suspected etiological factors of endometriosis but their potential mechanisms of action remain elusive. Because endometriosis is an estrogen-dependent disease and since aromatase (CYP19), a key enzyme in estrogen biosynthesis, was recently demonstrated to be expressed in endometriotic lesions, we hypothesized that dioxin-like compounds could modulate local estrogen production through an up-regulation of aromatase. We tested this hypothesis by examining the correlation between serum DLC levels and CYP19 expression in endometriotic tissue obtained from 47 patients with peritoneal, ovarian endometriosis and/or deep endometriotic nodules of the rectovaginal septum. Aromatase expression was assessed by real-time RT-PCR in biopsied endometriotic tissues [peritoneal (n=19), ovarian (n=17) endometriosis and deep endometriotic nodules of the recto-vaginal septum (n=29)]. The relationship between aromatase expression and DLCs was traced by simple regression analysis. DLCs did not appear to be significant determinants of aromatase expression. CYP1A1 expression, measured as a positive control, was found associated with current smoking but not with DLCs. We conclude that DLCs do probably not facilitate the growth of endometriotic lesions by up-regulating the local expression of aromatase.

Topics: Adult; Aromatase; Benzofurans; Cytochrome P-450 CYP1A1; Dibenzofurans, Polychlorinated; Dioxins; Endometriosis; Female; Gene Expression Regulation, Enzymologic; Humans; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Regression Analysis

Previous studies showed exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD) enhances the development of endometriotic lesions. In this study we examined the effects of other polyhalogenated aromatic hydrocarbons on endometriotic proliferation. B6C3F1 female mice were treated via oral gavage a total of five times, with 3 weeks between each dosing, with 0, 1, 3, or 10 micrograms 2,3,7,8,-TCDD/kg body weight (bw); 3 or 30 mg 2,2',4,4',5,5'-hexachlorobiphenyl (PCB 153)/kg bw; 100, 300, or 1000 micrograms 3,3',4,4',5-pentachlorobiphenyl (PCB 126)/kg bw; 10, 30, or 100 micrograms 2,3,4,7,8-pentachlorodibenzofuran (4-PeCDF)/kg bw; or 2 or 20 mg 1,3,6,8-TCDD/kg at 10 ml/kg bw. Endometriosis was surgically induced during the week of the second dosing. Three weeks following the final dose, the mice were euthanized and endometriotic lesions, whole body, liver, ovaries, uterine horn, and thymus were weighted, and lesion diameters were measured. Lesions, uterine horns, and ovaries were fixed for histopathology and livers were processed for measurement of ethoxyresorufin O-deethylase (EROD) activity. Both 2,3,7,8-TCDD (1 and 3 micrograms/kg bw) and 4-PeCDF (100 micrograms/kg bw) significantly enhanced the growth of endometrial lesions. No statistically significant increase in endometriotic lesion size was detected in animals treated with either PCB 126 or with the highest dose of 2,3,7,8-TCDD, possibly due to the effects of histologically observed ovarian toxicity. The nondioxin-like compounds, PCB 153 and 1,3,6,8-TCDD, produced no observable effects on endometriosis. Hepatic EROD activity was significantly induced by 2,3,7,8-TCDD, 4-PeCDF, and PCB 126, but not by PCB 153 or 1,3,6,8-TCDD. The results of this study provide preliminary support for the hypothesis that halogenated aromatic hydrocarbon-promoted endometriosis may be Ah receptor mediated.

Topics: Animals; Benzofurans; Cytochrome P-450 CYP1A1; Dose-Response Relationship, Drug; Endometriosis; Female; Hydrocarbons, Halogenated; Liver; Mice; Ovary; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Structure-Activity Relationship; Uterus