Titre : Enzymes de réparation de l'ADN

Enzymes de réparation de l'ADN : Questions médicales fréquentes

Termes MeSH sélectionnés :

Exercise Test
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?\nQuels tests sont utilisés pour évaluer la réparation de l'ADN ?\nLes biopsies peuvent-elles aider au diagnostic ?\nQuels marqueurs biologiques indiquent des problèmes de réparation ?\nLes antécédents familiaux sont-ils pertinents pour le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Enzymes de réparation de l'ADN", "description": "Quels symptômes indiquent une défaillance des enzymes de réparation ?\nLa fatigue est-elle un symptôme associé ?\nDes infections fréquentes peuvent-elles être un signe ?\nLes troubles neurologiques sont-ils liés à ces enzymes ?\nDes anomalies de la peau peuvent-elles survenir ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Enzymes de réparation de l'ADN", "description": "Comment prévenir les dommages à l'ADN ?\nLe tabagisme augmente-t-il les risques ?\nL'exercice physique aide-t-il à la prévention ?\nLes examens réguliers sont-ils importants ?\nUne bonne hydratation joue-t-elle un rôle ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Enzymes de réparation de l'ADN", "description": "Quels traitements existent pour les déficiences enzymatiques ?\nLa supplémentation en antioxydants est-elle bénéfique ?\nLes thérapies immunologiques sont-elles efficaces ?\nLa chimiothérapie est-elle utilisée dans ces cas ?\nDes traitements préventifs existent-ils ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Enzymes de réparation de l'ADN", "description": "Quelles complications peuvent survenir avec des déficiences ?\nLes maladies cardiovasculaires sont-elles un risque ?\nDes troubles de la reproduction peuvent-ils se développer ?\nLes troubles métaboliques sont-ils possibles ?\nLes infections opportunistes sont-elles un risque ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Enzymes de réparation de l'ADN", "description": "Quels facteurs génétiques influencent la réparation de l'ADN ?\nL'exposition aux produits chimiques est-elle un facteur ?\nLe vieillissement est-il un facteur de risque ?\nLe stress oxydatif joue-t-il un rôle ?\nLes infections virales peuvent-elles affecter la réparation ?", "url": "https://questionsmedicales.fr/mesh/D045643?mesh_terms=Exercise+Test&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une déficience en enzymes de réparation de l'ADN ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques et des analyses cellulaires peuvent révéler des anomalies." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer la réparation de l'ADN ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests de comète et les tests de mutation sont couramment utilisés." } }, { "@type": "Question", "name": "Les biopsies peuvent-elles aider au diagnostic ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les biopsies peuvent montrer des anomalies dans la réparation de l'ADN." } }, { "@type": "Question", "name": "Quels marqueurs biologiques indiquent des problèmes de réparation ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des niveaux élevés de marqueurs de stress oxydatif peuvent indiquer des problèmes." } }, { "@type": "Question", "name": "Les antécédents familiaux sont-ils pertinents pour le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de cancers peuvent indiquer des déficiences héréditaires." } }, { "@type": "Question", "name": "Quels symptômes indiquent une défaillance des enzymes de réparation ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes incluent des cancers fréquents, des anomalies cutanées et des vieillissements prématurés." } }, { "@type": "Question", "name": "La fatigue est-elle un symptôme associé ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la fatigue peut résulter d'une accumulation de dommages à l'ADN." } }, { "@type": "Question", "name": "Des infections fréquentes peuvent-elles être un signe ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une réparation défectueuse de l'ADN peut affaiblir le système immunitaire." } }, { "@type": "Question", "name": "Les troubles neurologiques sont-ils liés à ces enzymes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Certaines déficiences peuvent entraîner des troubles neurologiques et cognitifs." } }, { "@type": "Question", "name": "Des anomalies de la peau peuvent-elles survenir ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des lésions cutanées et des cancers de la peau sont fréquents." } }, { "@type": "Question", "name": "Comment prévenir les dommages à l'ADN ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les radiations, les toxines et adopter une alimentation riche en antioxydants." } }, { "@type": "Question", "name": "Le tabagisme augmente-t-il les risques ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme est un facteur de risque majeur pour les dommages à l'ADN." } }, { "@type": "Question", "name": "L'exercice physique aide-t-il à la prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exercice régulier peut améliorer la réparation de l'ADN et la santé cellulaire." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils importants ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des examens réguliers peuvent aider à détecter précocement des anomalies." } }, { "@type": "Question", "name": "Une bonne hydratation joue-t-elle un rôle ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une bonne hydratation est essentielle pour le bon fonctionnement cellulaire." } }, { "@type": "Question", "name": "Quels traitements existent pour les déficiences enzymatiques ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la thérapie génique et des médicaments ciblés." } }, { "@type": "Question", "name": "La supplémentation en antioxydants est-elle bénéfique ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antioxydants peuvent aider à réduire les dommages à l'ADN." } }, { "@type": "Question", "name": "Les thérapies immunologiques sont-elles efficaces ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent renforcer la réponse immunitaire contre les cellules endommagées." } }, { "@type": "Question", "name": "La chimiothérapie est-elle utilisée dans ces cas ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est souvent utilisée pour traiter les cancers associés aux déficiences." } }, { "@type": "Question", "name": "Des traitements préventifs existent-ils ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des stratégies de dépistage précoce et des conseils génétiques sont disponibles." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des déficiences ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des cancers, des maladies auto-immunes et des troubles neurologiques." } }, { "@type": "Question", "name": "Les maladies cardiovasculaires sont-elles un risque ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des dommages à l'ADN peuvent contribuer à des maladies cardiovasculaires." } }, { "@type": "Question", "name": "Des troubles de la reproduction peuvent-ils se développer ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines déficiences peuvent affecter la fertilité et la reproduction." } }, { "@type": "Question", "name": "Les troubles métaboliques sont-ils possibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies dans la réparation de l'ADN peuvent entraîner des troubles métaboliques." } }, { "@type": "Question", "name": "Les infections opportunistes sont-elles un risque ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un système immunitaire affaibli peut augmenter le risque d'infections opportunistes." } }, { "@type": "Question", "name": "Quels facteurs génétiques influencent la réparation de l'ADN ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des mutations dans des gènes spécifiques peuvent augmenter le risque de déficiences." } }, { "@type": "Question", "name": "L'exposition aux produits chimiques est-elle un facteur ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à des agents chimiques peut endommager l'ADN et affecter la réparation." } }, { "@type": "Question", "name": "Le vieillissement est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le vieillissement naturel peut réduire l'efficacité des enzymes de réparation." } }, { "@type": "Question", "name": "Le stress oxydatif joue-t-il un rôle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un stress oxydatif accru peut endommager l'ADN et affecter la réparation." } }, { "@type": "Question", "name": "Les infections virales peuvent-elles affecter la réparation ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines infections virales peuvent perturber les mécanismes de réparation de l'ADN." } } ] } ] }

Sources (10000 au total)

Prognostic value of cardiopulmonary exercise test in children with congenital heart defects.

Cardiopulmonary exercise testing (CPET) has an important prognostic value in adults with different congenital heart defects (CHDs) and is a useful tool for risk stratification and clinical decision-ma... 411 CPET performed by paediatric patients with different CHDs were evaluated in this retrospective study. Medical records were reviewed to determine the presence of cardiac events. Participants were c... 411 patients with a median age at test of 12 years, 51 patients with simple CHD, 170 patients with moderate complexity CHD and 190 with high complexity CHD underwent CPET. Overall, CPET parameters wer... Reduced exercise capacity at young age is related to a higher probability of future cardiovascular events in paediatric patients with CHD. Submaximal exercise variables can be used instead when maxima...

Exercise testing to guide safe discharge from hospital in COVID-19: a scoping review to identify candidate tests.

We aimed to identify exercise tests that have been validated to support a safe discharge to home in patients with or without COVID-19.... Scoping review, using PRISMA-ScR reporting standards. Medline, PubMed, AMED, Embase, CINAHL and LitCovid databases were searched between 16 and 22 February 2021, with studies included from any publica... Short exercise tests.... Safe discharge from hospital, readmission rate, length of hospital stay, mortality. Secondary outcomes measures: safety, feasibility and reliability.... Of 1612 original records screened, 19 studies were included in the analysis. These used a variety of exercise tests in patients with chronic obstructive pulmonary disease, suspected pulmonary embolism... Further research is needed to aid clinical decision-making at discharge from hospital....

Cardiopulmonary exercise testing for patients with anorexia nervosa: a case-control study.

Patients with anorexia nervosa (AN) require appropriate nutrient therapy and physical activity management. Eating disorder treatment guidelines do not include safe, evidence-based intensity criteria f... CPX was performed with 14 female patients with AN admitted to a specialized eating disorder unit between 2015 and 2019. Their anaerobic threshold (AT) was determined by assessing their exercise tolera... The AT of the AN group (BMI: 15.7 [Mean] ± 1.8 standard deviation [SD]) was significantly lower than that of the HC group (BMI: 19.7 ± 1.8) (AN: 10.0 ± 1.8 vs. HC: 15.2 ± 3.0 ml/kg/min, P < 0.001). AT... This study showed that AT and AT-METS were lower in patients with AN than in HC. Patients with AN should be prescribed light-intensity aerobic exercise, and the current findings may help develop futur... III: Evidence obtained from case-control analytic studies....

Cardiopulmonary exercise testing in long covid shows the presence of dysautonomia or chronotropic incompetence independent of subjective exercise intolerance and fatigue.

After COVID-19 infection, 10-20% of patients suffer from varying symptoms lasting more than 12 weeks (Long COVID, LC). Exercise intolerance and fatigue are common in LC. The aim was to measure the max... Cardiopulmonary exercise test was conducted on 101 LC patients, who were admitted to exercise testing. The majority of them (86%) had been treated at home during their acute COVID-19 infection. Peak o... The measurements were performed in mean 12.7 months (SD 5.75) after COVID-19 infection in patients with exercise intolerance (group EI, 19 patients), fatigue (group F, 31 patients), their combination ... This study on LC patients with different symptoms showed that cardiopulmonary exercise capacity was in mean normal, with increased sympathetic activity in most patients. However, we identified subgrou...

Test-retest reliability of a 30-min fixed perceived effort cycling exercise.

Using exercise protocols at a fixed rating of perceived effort (RPE) is a useful method for exploring the psychophysical influences on exercise performance. However, studies that have employed this pr... Eight recreationally active cyclists completed two identical ramped incremental trials on a cycle ergometer to identify gas exchange threshold (GET). A linear regression model plotted RPE responses du... All performance and gas parameters showed excellent levels of test-retest reliability (ICCs = > .900) across both intensities. Performance, gas-related measures, and heart rate averaged over the entir... Recreationally active cyclists can reliably replicate fixed perceived effort exercise across multiple visits when RPE is aligned to physiological thresholds. Some evidence suggests that exercise at RP...

[Role of cardiopulmonary exercise test in early diagnosis of pulmonary hypertension in scleroderma patients].

Pulmonary arterial hypertension (PAH) is a severe, high mortality and progressive disease. Early diagnosis and treatment improves the prognosis. Patients with scleroderma disease presents high risk of... Prospective study of 52 consecutive patients diagnosed of scleroderma in our health area, during 2 years (2018 and 2019). All of them undergo CPET, in addition to the annual systematic screening. Sens... Fifty-two CPET were performed, of which 16 suggested PAH. Resting RHC confirmed PAH in 5 patients and exercise RHC in 7 (diagnostic sensitivity of CPET together with rest and exercise catheterization ... CPET and exercise RHC could detect PAH earlier than established screening in patients with scleroderma disease, allowing early diagnosis....

Cardiopulmonary exercise testing during follow-up after acute pulmonary embolism.

Cardiopulmonary exercise testing (CPET) may provide prognostically valuable information during follow-up after pulmonary embolism (PE). Our objective was to investigate the association of patterns and... In a prospective cohort study of unselected consecutive all-comers with PE, survivors of the index acute event underwent 3- and 12-month follow-ups, including CPET. We defined cardiopulmonary limitati... Overall, 396 patients were included. At 3 months, prevalence of cardiopulmonary limitation and deconditioning was 50.1% (34.7% mild/moderate; 15.4% severe) and 12.1%, respectively; at 12 months, it wa... Abnormal exercise capacity of cardiopulmonary origin is frequent after PE, being associated with clinical and haemodynamic impairment as well as long-term QoL reduction. CPET can be considered for sel...