ubiquinone and Hypothyroidism

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; 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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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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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

A low-T₃ syndrome is observed in chronic diseases, but its treatment is still debated. Chronic obstructive pulmonary disease (COPD) has not been conclusively studied under this aspect. COPD is a complex condition, which cannot be considered a lung-related disorder, but rather a systemic disease also associated to increased oxidative stress. We evaluated thyroid hormones and antioxidant systems, the lipophilic Coenzyme Q10 (CoQ₁₀) and total antioxidant capacity (TAC) in COPD patients to reveal the presence of a low-T₃ syndrome in COPD and investigate the correlation between thyroid hormones, lung function parameters and antioxidants.. We studied: 32 COPD patients and 45 controls, evaluating thyrotropin (TSH), free-triiodotyronine (fT₃), free-tetraiodotyronine (fT₄), CoQ₁₀ (also corrected for cholesterol) and TAC. CoQ₁₀ was assayed by HPLC; TAC by the metmyoglobin-ABTS method and expressed as latency time (LAG) in radical species appearance.. We found significantly lower LAG values, fT₃ and fT₄ levels and significantly higher TSH in COPD patients vs. controls. LAG values significantly correlated with fT₃ concentration. 12 out of 32 patients exhibited fT₃ levels lower than normal range. So we divided COPD patients in 2 groups on the basis of the fT₃ concentration (normal fT₃ COPD and low fT₃ COPD). We observed lower LAG values in normal fT₃-COPD, compared to healthy subjects, with a further significant reduction in low fT₃-COPD patients. Moreover higher TSH concentration was present in normal fT₃-COPD, compared to healthy subjects, with a further significant increase in low fT₃-COPD patients. CoQ₁₀/cholesterol ratio was higher in low fT₃-COPD vs. normal fT₃-COPD, with a nearly significant difference.. These data seem to indicate an increased oxidative stress in low fT₃-COPD and a role of fT₃ in modulating antioxidant systems. However low fT₃ levels are joined to metabolic indexes of true hypothyroidism, suggesting that elevated CoQ₁₀ expresses a reduced tissue utilization. These data might suggest the need of thyroid replacement therapy in such a condition.

Topics: Aged; Aged, 80 and over; Antioxidants; Cholesterol; Female; Humans; Hypothyroidism; Italy; Lung; Male; Middle Aged; Oxidative Stress; Prevalence; Pulmonary Disease, Chronic Obstructive; Regression Analysis; Thyroid Hormones; Thyrotropin; Thyroxine; Triiodothyronine; Ubiquinone

The role of adrenal steroids in antioxidant regulation is not known. Previously, we demonstrated some Coenzyme Q(10) (CoQ(10)) alterations in pituitary diseases, which can induce complex pictures due to alterations of different endocrine axes. Therefore we determined CoQ(10) and Total Antioxidant Capacity (TAC) in pituitary-dependent adrenal diseases: 6 subjects with ACTH-dependent adrenal hyperplasia (AH); 19 with secondary isolated hypoadrenalism (IH), 19 with associated hypothyroidism (multiple pituitary deficiencies, MPH). CoQ(10) was assayed by HPLC; TAC by the system metmyoglobin-H(2)O(2), which, interacting with the chromogenous 2,2(I)-azinobis-(3-ethylbenzothiazoline-6-sulphonate), generates a spectroscopically revealed radical compound after a latency time (Lag) proportional to the antioxidant content. CoQ(10) levels were significantly lower in IH than AH and MPH, with a similar trend when adjusted for cholesterol. Also TAC was lower in IH than in AH and MPH, suggesting that adrenal hormones can influence antioxidants. However, since thyroid hormones modulate CoQ(10) levels and metabolism, when thyroid deficiency coexists it seems to play a prevalent influence.

Topics: Adrenal Hyperplasia, Congenital; Adrenal Insufficiency; Antioxidants; Chromatography, High Pressure Liquid; Humans; Hypothyroidism; Pituitary-Adrenal System; Ubiquinone

In previous works we have demonstrated plasma CoQ10 alterations in pituitary diseases, such as acromegaly or secondary hypothyroidism. However, pituitary lesions can induce complex clinical pictures due to alterations of different endocrine axes controlled by pituitary itself. A further rationale for studying CoQ10 in pituitary-adrenal diseases is related to the common biosynthetic pathway of cholesterol and ubiquinone. We have therefore assayed plasma CoQ10 levels in different conditions with increased or defective activity of pituitary-adrenal axis (3 subjects with ACTH-dependent adrenal hyperplasia, 2 cases of Cushing's disease and 1 case of 17-alpha-hydroxylase deficiency; 10 subjects with secondary hypoadrenalism, including three subjects with also secondary hypothyroidism). CoQ10 levels were significantly lower in isolated hypoadrenalism than in patients with adrenal hyperplasia and multiple pituitary deficiencies (mean +/- SEM: 0.57 +/- 0.04 vs 1.08 +/- 0.08 and 1.10 +/- 0.11 microg/ml, respectively); when corrected for cholesterol levels, the same trend was observed, but did not reach statistical significance. These preliminary data indicate that secretion of adrenal hormones is in some way related to CoQ10 levels, both in augmented and reduced conditions. However, since thyroid hormones have an important role in modulating CoQ10 levels and metabolism, when coexistent, thyroid deficiency seems to play a prevalent role in comparison with adrenal deficiency.

Topics: Adrenal Gland Diseases; Adrenal Glands; Adrenal Insufficiency; Adult; Aged; Cholesterol; Coenzymes; Female; Humans; Hydrocortisone; Hyperplasia; Hypothyroidism; Male; Middle Aged; Pituitary Diseases; Pituitary-Adrenal System; Thyroxine; Triiodothyronine; Ubiquinone

The purpose of this study was to investigate the effects of thyroid state on rates and sites of H(2)O(2) production in rat muscle mitochondria. With Complex I- and Complex II-linked substrates, hypothyroidism decreased and hyperthyroidism increased the rates of O(2) consumption during State 4 and State 3 respiration and the rates of H(2)O(2) release during State 4 respiration. During State 3, the rates of H(2)O(2) release were not affected by thyroid state. However, the mitochondrial capacity to remove H(2)O(2) increased in the transition from hypothyroid to hyperthyroid state, thus suggesting that an increase in H(2)O(2) production rate also occurred in such a transition during State 3 respiration. The observation that mitochondrial coenzyme Q levels and cytochrome oxidase activities are higher in the hyperthyroid and lower in the hypothyroid groups suggests that the modifications of H(2)O(2) production are due to a modulation by thyroid hormone of the mitochondrial content of autoxidizable electron carriers. This idea is supported by measurements of H(2)O(2) release in the presence of respiratory inhibitors. In fact, such measurements indicate that the thyroid state-linked changes in H(2)O(2) production occur at both generator sites of the respiratory chain.

Topics: Animals; Electron Transport Complex I; Electron Transport Complex IV; Hydrogen Peroxide; Hyperthyroidism; Hypothyroidism; Male; Mitochondria, Muscle; Muscle, Skeletal; NADH, NADPH Oxidoreductases; Oxygen Consumption; Rats; Rats, Wistar; Thyroid Gland; Ubiquinone

This work was designed to determine possible effects of altered thyroid states on rates and sites of H 2 O 2 production by rat heart mitochondria. Rates of O 2 consumption and H 2 O 2 release, capacities to remove the peroxide, lipid peroxidation, cytochrome oxidase activities and ubiquinone levels were determined in heart mitochondria from euthyroid, hypothyroid, and hyperthyroid rats. Hypothyroidism decreased, whereas hyperthyroidism increased the rates of O 2 consumption and H 2 O 2 release during both state 4 and state 3 respiration with Complex I- or Complex II-linked substrates. The percentage of O 2 released as H 2 O 2 was not significantly affected by thyroid state. However, the mitochondrial capacity to remove H 2 O 2 increased in the transition from hypothyroid to hyperthyroid state, which indicates that H 2 O 2 production did not modify in proportion to the rate of O 2 consumption. The thyroid-state-linked changes in H 2 O 2 production were well correlated with the levels of hydroperoxides. Rates of H 2 O 2 release in the presence of respiratory inhibitors indicated that changes in the H 2 O 2 production occurred at both sites at which H 2 O 2 was generated in euthyroid state. This result and the observation that ubiquinol levels and cytochrome oxidase activities increase in the transition from hypothyroid to hyperthyroid state suggest that the modifications of H 2 O 2 production are due to a modulation by thyroid hormone of mitochondrial content of autoxidisable electron carriers.

Topics: Animals; Electron Transport; Electron Transport Complex I; Electron Transport Complex II; Hydrogen Peroxide; Hyperthyroidism; Hypothyroidism; Kinetics; Lipid Peroxidation; Male; Mitochondria, Heart; Oxygen Consumption; Rats; Rats, Wistar; Thyroid Gland; Ubiquinone

The effects of the thyroid state on oxidative damage, antioxidant capacity, susceptibility to in vitro oxidative stress and Ca(2+)-induced permeabilization of mitochondria from rat tissues (liver, heart, and gastrocnemious muscle) were examined. Hypothyroidism was induced by administering methimazole in drinking water for 15 d. Hyperthyroidism was elicited by a 10 d treatment of hypothyroid rats with triiodothyronine (10 micro g/100 g body weight). Mitochondrial levels of hydroperoxides and protein-bound carbonyls significantly decreased in hypothyroid tissues and were reported above euthroid values in hypothyroid rats after T(3) treatment. Mitochondrial vitamin E levels were not affected by changes of animal thyroid state. Mitochondrial Coenzyme Q9 levels decreased in liver and heart from hypothyroid rats and increased in all hyperthyroid tissues, while Coenzyme Q10 levels decreased in hypothyroid liver and increased in all hyperthyroid tissues. The antioxidant capacity of mitochondria was not significantly different in hypothyroid and euthyroid tissues, whereas it decreased in the hyperthyroid ones. Susceptibility to in vitro oxidative challenge decreased in mitochondria from hypothyroid tissues and increased in mitochondria from hyperthyroid tissues, while susceptibility to Ca(2+)-induced swelling decreased only in hypothyroid liver mitochondria and increased in mitochondria from all hyperthyroid tissues. The tissue-dependence of the mitochondrial susceptibility to stressful conditions in altered thyroid states can be explained by different thyroid hormone-induced changes in mitochondrial ROS production and relative amounts of mitochondrial hemoproteins and antioxidants. We suggest that susceptibilities to oxidants and Ca(2+)-induced swelling may have important implications for the thyroid hormone regulation of the turnover of proteins and whole mitochondria, respectively.

Topics: Animals; Antioxidants; Calcium; Hyperthyroidism; Hypothyroidism; In Vitro Techniques; Lipid Peroxidation; Male; Methimazole; Mitochondria, Heart; Mitochondria, Liver; Mitochondria, Muscle; Mitochondrial Swelling; Oxidative Stress; Rats; Rats, Wistar; Triiodothyronine; Ubiquinone; Vitamin E

The effects of L-T3 (3,3',5-triiodo-L-thyronine) and three novel analogues, SKF L-94901 (3,5-Dibromo-3'-pyridazinone-L-thyronine), Dibit (3,5-Dibromo-3'-isopropyl-L-thyronine), and 3'-Ac-T2(3'-Acetyl-3,5,-Diiodo-L-thyronine), on mitochondrial parameters were determined in hypothyroid rats. The parameters include the 24 hour hormone-induced changes in the bc1 complex and in the proton permeability of the mitochondrial inner membrane. The cardiac sparing analogue, SKF L-94901, had no effect on mitochondrial respiration or proton permeability; but the analogue did increase a-glycerophosphate dehydrogenase activity, mitochondrial ubiquinone content, and altered the bypass respiration in the bc1 complex. Dibit also did not increase respiration significantly but did change the other parameters. 3'-Ac-T2 increased respiration, mitochondrial ubiquinone content, proton permeability, enzyme activity and altered the bypass of the Antimycin A blockage in the bc1 complex.

Topics: Animals; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Cell Membrane; Diiodothyronines; Glycerolphosphate Dehydrogenase; Hypothyroidism; Male; Mitochondria, Heart; Oxygen Consumption; Permeability; Protons; Rats; Rats, Sprague-Dawley; Structure-Activity Relationship; Thyronines; Ubiquinone

The effects of L-T3 and several analogues on mitochondrial parameters were determined in hypothyroid rats. These parameters include the 24 hour hormone-induced changes in the bc1 complex and in the inner membrane's proton permeability. L-T3, and all analogues except rT3, increased mitochondrial ubiquinone to euthyroid levels. L-T3, D-T3 and 3'IpT2 but not rT3, Triac, Triprop, or Dimit, altered the bypass respiration in the bc1 complex. L-T3, D-T3, Triac, 3'IpT2, and Triprop, but not rT3 or Dimit, increased the membrane's proton permeability. Actinomycin D did not prevent the increase in mitochondrial ubiquinone or the permeability change. The results show the selective thyromimetic properties of the analogues and that some of the mitochondrial changes do not require protein synthesis.

Topics: Animals; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Cytochromes c1; Dactinomycin; Electron Transport; Glycerolphosphate Dehydrogenase; Hypothyroidism; Intracellular Membranes; Liver; Male; Mitochondria; Oxygen Consumption; Permeability; Proton Pumps; Rats; Rats, Sprague-Dawley; Triiodothyronine; Triiodothyronine, Reverse; Ubiquinone

Coenzyme Q10 (CoQ10) plays an essential physiologic role in oxidative phosphorylation and its plasma and tissue concentration has been evaluated in various pathologic conditions, both endocrine and non endocrine; among the latter particularly in cardiac failure. Plasma CoQ10 determination has been reported in the literature an a useful diagnostic tool in differential diagnosis of thyroid diseases. In the present study we have evaluated CoQ10 circulating levels both in hypo- and hyperthyroidism. For this purpose plasma CoQ10, fT3-fT4 and TSH concentrations have been determined (HPLC, RIA and IRMA respectively) in a group of hypothyroid patients, hyperthyroid and control subjects. No patient was harbouring cardiovascular, metabolic or systemic disease. CoQ10 has resulted 0.97 +/- 0.46 mcg/ml in the hypothyroid group, 0.51 +/- 0.35 in hyperthyroid and 0.73 +/- 0.16 in control group, with a significative difference between first and second group only; more, the prevalence of high levels has appeared greater in hypo- towards hyperthyroid patients and that of low levels in the latter greater than in the former. Finally an inverse relation of CoQ10 with fT3 and tT3, but not with fT4 and tT4, has been shown. In conclusion, plasma CoQ10 levels have not given in this study a sharp distinction between euthyroidism on a side and hypo- and hyperthyroidism on the other, but necessity of longitudinal studies after therapy is outlined, both to know time of normalization of plasma concentrations and to verify the opportunity of exogenous administration of CoQ10 in hyperthyroid patients with risk factors for heart failure.

Topics: Adult; Coenzymes; Female; Humans; Hyperthyroidism; Hypothyroidism; Male; Middle Aged; Ubiquinone

In previous works we have demonstrated that Coenzyme Q10 (CoQ10) levels have a significant inverse correlation with thyroid hormone concentration in patients with spontaneous hyper- or hypothyroidism. In order to verify whether this correlation is maintained in patients on long-term amiodarone therapy, in whom thyroid metabolism is altered by the iodine contained in the drug, we have studied 30 patients with thyroid dysfunction induced by chronic amiodarone treatment. We have distinguished four groups of patients: group A (n = 8): patients with true hyperthyroidism induced by drug administration; group B (n = 11): patients with mild hyperthyroid symptoms, but isolated thyroxine increase or dissociation between different indexes of thyroid function; group C (n = 5): patients with normal thyroid hormone levels, but increased TSH levels; group D (n = 6): patients who appeared really clinically euthyroid, with normal thyroid hormone levels and normal TSH response to TRH. In group A patients, plasma CoQ10 levels averaged 0.49 +/- 0.03 micrograms/ml, significantly lower than those in normal subjects and similar to those observed in spontaneous hyperthyroid patients. In group B patients, CoQ10 levels were in the normal range (0.88 +/- 0.10 microgram/ml). In group C patients, CoQ10 levels were lower than those in normal subjects and similar to those of group A patients (0.49 +/- 0.04 microgram/ml); they differed, in regards to CoQ10 values, in comparison with spontaneous primary hypothyroid patients, who had very high levels of plasma CoQ10. Finally, in group D patients, CoQ10 levels were in the normal range (0.77 +/- 0.04 microgram/ml).(ABSTRACT TRUNCATED AT 250 WORDS)

Topics: Adult; Aged; Amiodarone; Female; Goiter; Humans; Hyperthyroidism; Hypothyroidism; Male; Middle Aged; Thyroid Gland; Thyrotropin; Thyroxine; Ubiquinone

The correlation between serum CoQ10 levels and serum thyroid hormones in thyroid disorders was investigated in the present studies. Serum CoQ10 was measured by high speed liquid chromatography utilizing ultraviolet detector. In normal controls, serum CoQ10 level of the male was higher than that of the female. Serum CoQ10 level in hyperthyroidism was significantly lower than that of euthyroid subjects. But in hypothyroidism, serum CoQ10 level did not show any significant difference from that of euthyroid subjects. Significant inverse correlations were demonstrated between log CoQ10 and log T3, log T4, log free T4, or log rT3. These data suggested abnormalities in the mitochondrial electron transport system in thyroid disorders.

Topics: Adolescent; Adult; Aged; Child; Coenzymes; Female; Humans; Hyperthyroidism; Hypothyroidism; Male; Middle Aged; Thyroid Diseases; Thyroid Hormones; Thyroidectomy; Ubiquinone

1. Under conditions of thyrotoxicosis induced by feeding rats with iodinated casein, ubiquinone concentration was found to increase in the liver by increased synthesis and by partly decreased catabolism leading to its accumulation. The increased ubiquinone was found primarily in the mitochondrial and supernatant fractions. 2. Supplementing the diet with thyroxine, at less than toxic doses, also increased the synthesis and the concentration of ubiquinone in the liver. 3. In the condition of hypothyroidism obtained by feeding rats with thiouracil the concentration and the synthesis of ubiquinone in the liver showed a small decrease. 4. Synthesis of ubiquinone in liver slices was partially inhibited by addition of thyroxine in vitro. Therefore the activation effect on ubiquinone synthesis of excess of thyroxine in the intact animals appears to be by an indirect mechanism.

Topics: Animals; Depression, Chemical; Diet; Hyperthyroidism; Hypothyroidism; In Vitro Techniques; Liver; Mitochondria, Liver; Rats; Stimulation, Chemical; Thyroid Diseases; Thyroxine; Ubiquinone