questionsmedicales.fr
Phénomènes biologiques
Évolution biologique
Dérive génétique
Dérive génétique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Physical Functional Performance
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Dérive génétique : Questions médicales les plus fréquentes",
"headline": "Dérive génétique : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Dérive génétique : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-01-01",
"dateModified": "2025-03-26",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Dérive génétique"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Évolution biologique",
"url": "https://questionsmedicales.fr/mesh/D005075",
"about": {
"@type": "MedicalCondition",
"name": "Évolution biologique",
"code": {
"@type": "MedicalCode",
"code": "D005075",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G16.075"
}
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Dérive et cassure antigéniques",
"alternateName": "Antigenic Drift and Shift",
"url": "https://questionsmedicales.fr/mesh/D000088603",
"about": {
"@type": "MedicalCondition",
"name": "Dérive et cassure antigéniques",
"code": {
"@type": "MedicalCode",
"code": "D000088603",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G16.075.300.500"
}
}
}
],
"about": {
"@type": "MedicalCondition",
"name": "Dérive génétique",
"alternateName": "Genetic Drift",
"code": {
"@type": "MedicalCode",
"code": "D040961",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Katia Koelle",
"url": "https://questionsmedicales.fr/author/Katia%20Koelle",
"affiliation": {
"@type": "Organization",
"name": "Department of Biology, Emory University, Atlanta, GA, 30322."
}
},
{
"@type": "Person",
"name": "Robert J Zupko",
"url": "https://questionsmedicales.fr/author/Robert%20J%20Zupko",
"affiliation": {
"@type": "Organization",
"name": "Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, PA 16802, USA."
}
},
{
"@type": "Person",
"name": "Joseph L Servadio",
"url": "https://questionsmedicales.fr/author/Joseph%20L%20Servadio",
"affiliation": {
"@type": "Organization",
"name": "Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, PA 16802, USA."
}
},
{
"@type": "Person",
"name": "Tran Dang Nguyen",
"url": "https://questionsmedicales.fr/author/Tran%20Dang%20Nguyen",
"affiliation": {
"@type": "Organization",
"name": "Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, PA 16802, USA."
}
},
{
"@type": "Person",
"name": "Thu Nguyen-Anh Tran",
"url": "https://questionsmedicales.fr/author/Thu%20Nguyen-Anh%20Tran",
"affiliation": {
"@type": "Organization",
"name": "Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, PA 16802, USA."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Efficacy of Exercise on Muscle Function and Physical Performance in Older Adults with Sarcopenia: An Updated Systematic Review and Meta-Analysis.",
"datePublished": "2022-07-05",
"url": "https://questionsmedicales.fr/article/35805870",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3390/ijerph19138212"
}
},
{
"@type": "ScholarlyArticle",
"name": "The Relationship of Energy Malnutrition, Skeletal Muscle and Physical Functional Performance in Patients with Stable Chronic Obstructive Pulmonary Disease.",
"datePublished": "2022-06-23",
"url": "https://questionsmedicales.fr/article/35807777",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3390/nu14132596"
}
},
{
"@type": "ScholarlyArticle",
"name": "The impact of a physical exercise program on quality of life, fatigue, physical performance, and level of physical activity in patients with cancer.",
"datePublished": "2024-06-07",
"url": "https://questionsmedicales.fr/article/38865540",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1590/1806-9282.2024S120"
}
},
{
"@type": "ScholarlyArticle",
"name": "Effectiveness of elastic band training and group-based dance on physical-functional performance in older women with sarcopenia: a pilot study.",
"datePublished": "2023-10-27",
"url": "https://questionsmedicales.fr/article/37891589",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12889-023-17014-7"
}
},
{
"@type": "ScholarlyArticle",
"name": "Hand grip strength, short physical performance battery, and gait speed: key tools for function in Non-Hodgkin Lymphoma.",
"datePublished": "2023-08-11",
"url": "https://questionsmedicales.fr/article/37566279",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1007/s00277-023-05397-x"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Phénomènes biologiques",
"item": "https://questionsmedicales.fr/mesh/D001686"
},
{
"@type": "ListItem",
"position": 3,
"name": "Évolution biologique",
"item": "https://questionsmedicales.fr/mesh/D005075"
},
{
"@type": "ListItem",
"position": 4,
"name": "Dérive génétique",
"item": "https://questionsmedicales.fr/mesh/D040961"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Dérive génétique - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Dérive génétique",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-10",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Dérive génétique",
"description": "Comment identifier la dérive génétique ?\nQuels tests génétiques sont utilisés ?\nLa dérive génétique peut-elle être mesurée ?\nQuels outils bioinformatiques sont utiles ?\nLa dérive génétique affecte-t-elle tous les gènes ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Dérive génétique",
"description": "Quels symptômes sont liés à la dérive génétique ?\nLa dérive génétique cause-t-elle des maladies ?\nY a-t-il des signes de dérive génétique ?\nLa dérive génétique affecte-t-elle la fertilité ?\nLes populations isolées montrent-elles des symptômes ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Dérive génétique",
"description": "Comment prévenir la dérive génétique ?\nLes réserves naturelles aident-elles ?\nL'élevage sélectif est-il efficace ?\nLes programmes de conservation sont-ils utiles ?\nLa migration des espèces aide-t-elle ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Dérive génétique",
"description": "Y a-t-il des traitements pour la dérive génétique ?\nComment gérer les effets de la dérive génétique ?\nPeut-on prévenir la dérive génétique ?\nLes thérapies géniques aident-elles ?\nLa sélection naturelle peut-elle contrer la dérive ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Dérive génétique",
"description": "Quelles complications peuvent survenir ?\nLa dérive génétique augmente-t-elle le risque d'extinction ?\nLes populations en danger sont-elles plus affectées ?\nLa dérive peut-elle affecter l'adaptation ?\nY a-t-il des effets sur la santé publique ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Dérive génétique",
"description": "Quels facteurs augmentent la dérive génétique ?\nLes événements fondateurs influencent-ils ?\nLe changement climatique est-il un facteur ?\nLes maladies peuvent-elles influencer la dérive ?\nLes pratiques agricoles affectent-elles la dérive ?",
"url": "https://questionsmedicales.fr/mesh/D040961?mesh_terms=Physical+Functional+Performance&page=2#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment identifier la dérive génétique ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle est identifiée par l'analyse des variations génétiques au fil des générations."
}
},
{
"@type": "Question",
"name": "Quels tests génétiques sont utilisés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de séquençage et d'analyse de marqueurs génétiques sont utilisés."
}
},
{
"@type": "Question",
"name": "La dérive génétique peut-elle être mesurée ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être mesurée par des indices de diversité génétique."
}
},
{
"@type": "Question",
"name": "Quels outils bioinformatiques sont utiles ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des logiciels comme STRUCTURE et Arlequin aident à analyser la dérive génétique."
}
},
{
"@type": "Question",
"name": "La dérive génétique affecte-t-elle tous les gènes ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elle affecte principalement les gènes dans des populations isolées."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont liés à la dérive génétique ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "La dérive génétique n'a pas de symptômes directs, mais peut affecter la santé des populations."
}
},
{
"@type": "Question",
"name": "La dérive génétique cause-t-elle des maladies ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Indirectement, elle peut augmenter la fréquence de maladies génétiques dans une population."
}
},
{
"@type": "Question",
"name": "Y a-t-il des signes de dérive génétique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes sont des changements dans la fréquence des traits génétiques au fil du temps."
}
},
{
"@type": "Question",
"name": "La dérive génétique affecte-t-elle la fertilité ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut influencer la fertilité en modifiant la diversité génétique, mais pas directement."
}
},
{
"@type": "Question",
"name": "Les populations isolées montrent-elles des symptômes ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent présenter des traits spécifiques dus à la dérive génétique."
}
},
{
"@type": "Question",
"name": "Comment prévenir la dérive génétique ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Favoriser la diversité génétique par des échanges entre populations peut aider."
}
},
{
"@type": "Question",
"name": "Les réserves naturelles aident-elles ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles préservent la diversité génétique et limitent la dérive dans les populations."
}
},
{
"@type": "Question",
"name": "L'élevage sélectif est-il efficace ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'élevage sélectif peut réduire les effets de la dérive en maintenant la diversité."
}
},
{
"@type": "Question",
"name": "Les programmes de conservation sont-ils utiles ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils aident à maintenir la diversité génétique et à prévenir la dérive."
}
},
{
"@type": "Question",
"name": "La migration des espèces aide-t-elle ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la migration peut introduire de nouveaux gènes et réduire la dérive."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements pour la dérive génétique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de traitements, car c'est un processus évolutif naturel."
}
},
{
"@type": "Question",
"name": "Comment gérer les effets de la dérive génétique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion passe par la conservation de la diversité génétique dans les populations."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir la dérive génétique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "On peut réduire ses effets par des programmes de reproduction contrôlée."
}
},
{
"@type": "Question",
"name": "Les thérapies géniques aident-elles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les thérapies géniques ne ciblent pas la dérive génétique, mais des maladies spécifiques."
}
},
{
"@type": "Question",
"name": "La sélection naturelle peut-elle contrer la dérive ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la sélection naturelle peut influencer les fréquences alléliques et contrer la dérive."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "La dérive peut entraîner une perte de diversité génétique et des maladies héréditaires."
}
},
{
"@type": "Question",
"name": "La dérive génétique augmente-t-elle le risque d'extinction ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut accroître le risque d'extinction des populations en réduisant la diversité."
}
},
{
"@type": "Question",
"name": "Les populations en danger sont-elles plus affectées ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les populations en danger sont plus vulnérables à la dérive génétique."
}
},
{
"@type": "Question",
"name": "La dérive peut-elle affecter l'adaptation ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut limiter l'adaptation des populations aux changements environnementaux."
}
},
{
"@type": "Question",
"name": "Y a-t-il des effets sur la santé publique ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la dérive peut influencer la prévalence de certaines maladies dans les populations."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent la dérive génétique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les petites tailles de population et l'isolement géographique augmentent le risque."
}
},
{
"@type": "Question",
"name": "Les événements fondateurs influencent-ils ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les événements fondateurs peuvent réduire la diversité génétique et favoriser la dérive."
}
},
{
"@type": "Question",
"name": "Le changement climatique est-il un facteur ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il peut isoler des populations et augmenter la dérive génétique."
}
},
{
"@type": "Question",
"name": "Les maladies peuvent-elles influencer la dérive ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les épidémies peuvent réduire la taille de la population et favoriser la dérive."
}
},
{
"@type": "Question",
"name": "Les pratiques agricoles affectent-elles la dérive ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'agriculture intensive peut réduire la diversité génétique et favoriser la dérive."
}
}
]
}
]
}
This study aimed to analyze the efficacy of exercise interventions on muscle strength, muscle mass, and physical performance in older adults with sarcopenia. Randomized controlled studies assessing ex...
Weight loss is a factor that affects prognosis in patients with chronic obstructive pulmonary disease (COPD) independent of lung function. One of the major factors for weight loss is energy malnutriti...
Increasing evidence suggests that exercise programs are of great value in the rehabilitation and survivorship of patients with cancer. However, challenges remain regarding maintaining patients more ph...
An observational longitudinal study, with a 1-year prospective follow-up, was developed....
This is a university-based outpatient rehabilitation program in a high-complexity cancer care center in Sao Paulo....
After the program, patients showed a significant gain in quality of life (p<0.0001), physical performance (p<0.0001), and improvement in fatigue (p<0.0001). After 12 months, 81.1% of the patients rema...
The results of this study confirm that exercise programs are an important tool in the rehabilitation of patients with cancer and that an initial supervised exercise program, in combination with follow...
This study provides additional information on the outcomes that are expected with the provision of a supervised physical exercise program in the rehabilitation care of patients with cancer and that ad...
Sarcopenia is a syndrome associated with aging that causes progressive loss of skeletal muscle mass and muscle function. In this pilot study, we compared the effectiveness of elastic band training reg...
This is a randomized controlled trial, single-blind, repeated measures of parallel groups (elastic band group: EBG, n = 21; group-based dance: GBD, n = 19), and a quantitative methodology. Three 60-mi...
A significant interaction revealed for fat-free mass (F...
Elastic band training produces significantly greater responses on physical-functional performance regarding group-based dance in older women with sarcopenia. On the other hand, the EBG revealed a sign...
This study aimed to determine which performance assessment tools included in Comprehensive Geriatric Assessment (CGA) are the most sensitive for the functional approach in the initial evaluation and d...
This scoping review aims to summarize the literature on photobiomodulation (PBM) therapy as an adjunct to resistance exercise among older adults, focusing on its effects on muscle metrics, functional ...
Sarcopenia has become a significant obstacle to healthy aging in older adults. Flavonoids may contribute to treating sarcopenia, and attenuate the age-related loss of skeletal muscle mass, muscle stre...
This study aimed to analyse the placebo effect associated with a high dose of caffeine (9 mg/kg) on heart rate and its variability and on strength tests....
18 participants experienced in strength training (19.7 ± 2.3 years; 72.2 ± 15.0 kg; 169.6 ± 9.0 cm) performed two days of trials (caffeine-informed/placebo-ingested (placebo) and non-ingested (control...
no differences were found in the vast majority of strength variables analysed. Resting heart rate decreased in the placebo trial (60.39 ± 10.18 bpm control vs. 57.56 ± 9.50 bpm placebo,...
the placebo effect did not modify performance in the majority of the strength test variables, HRV and perception of performance and effort. However, resting heart rate was reduced, mean RR increased, ...
The assessment of muscle mass and physical performance is essential for the diagnosis of sarcopenia. This study examined the validity of bioimpedance analysis (BIA) and a sensor-based short physical p...
This study investigated the association of fear of falling with performance-based physical function and low back pain (LBP) among older adults....
Cross-sectional study....
Participants were selected via convenient sampling from Iran University orthopaedic and/or physiotherapy outpatient clinics, between March 2022 and April 2023....
140 subjects with and without LBP, aged over 60 years, were included....
The Falls Efficacy Scale International was used to measure fear of falling. A baseline questionnaire inquired about LBP. Participants performed the Timed Up and Go, 30 s Sit-To-Stand (30s-STS), single...
A significant association between fear of falling and the 30s-STS test score (β=-0.30, 95% CI -1.27 to -0.28; p=0.00) and the sex (β=0.31, 95% CI 1.53 to 4.83; p=0.00) was confirmed in multivariable a...
Fear of falling was significantly associated with lower extremity muscle function, measured by the 30s-STS test and female gender. Older adults with a fear of falling could benefit from interventions ...