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Phénomènes génétiques
Structures génétiques
Structures de chromosome
Chromatides
Chromatides : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"headline": "Diagnostic sur Chromatides",
"description": "Comment identifier les chromatides lors de la mitose ?\nQuels tests révèlent des anomalies des chromatides ?\nLes chromatides peuvent-elles être analysées par PCR ?\nQuel rôle joue l'immunofluorescence dans l'étude des chromatides ?\nPeut-on observer les chromatides en microscopie électronique ?",
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"description": "Peut-on prévenir les anomalies chromosomiques ?\nQuel rôle joue l'alimentation dans la prévention des anomalies chromosomiques ?\nLes tests génétiques peuvent-ils aider à prévenir des anomalies ?\nLa vaccination peut-elle prévenir des anomalies chromosomiques ?\nLe suivi médical régulier aide-t-il à prévenir les anomalies chromosomiques ?",
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"description": "Quels traitements existent pour les anomalies chromosomiques ?\nLa chimiothérapie est-elle utilisée pour traiter des anomalies des chromatides ?\nLes traitements sont-ils disponibles pour le syndrome de Turner ?\nPeut-on corriger les anomalies chromosomiques par chirurgie ?\nLes thérapies géniques sont-elles efficaces contre les anomalies chromosomiques ?",
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"description": "Quelles complications peuvent résulter d'anomalies chromosomiques ?\nLes anomalies des chromatides peuvent-elles entraîner des complications à long terme ?\nComment les anomalies chromosomiques affectent-elles la santé mentale ?\nLes complications des anomalies chromosomiques sont-elles réversibles ?\nLes anomalies chromosomiques augmentent-elles le risque de maladies auto-immunes ?",
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"description": "Quels facteurs augmentent le risque d'anomalies chromosomiques ?\nLes infections pendant la grossesse augmentent-elles les risques chromosomiques ?\nL'exposition aux radiations influence-t-elle les anomalies chromosomiques ?\nLe tabagisme maternel est-il un facteur de risque ?\nLes facteurs génétiques jouent-ils un rôle dans les anomalies chromosomiques ?",
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"@type": "Question",
"name": "Comment identifier les chromatides lors de la mitose ?",
"position": 1,
"acceptedAnswer": {
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"text": "Les chromatides sont visibles sous un microscope lors de la métaphase de la mitose."
}
},
{
"@type": "Question",
"name": "Quels tests révèlent des anomalies des chromatides ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les analyses cytogénétiques, comme le caryotype, peuvent détecter des anomalies."
}
},
{
"@type": "Question",
"name": "Les chromatides peuvent-elles être analysées par PCR ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la PCR peut être utilisée pour analyser des segments spécifiques des chromatides."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'immunofluorescence dans l'étude des chromatides ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'immunofluorescence permet de visualiser des protéines spécifiques sur les chromatides."
}
},
{
"@type": "Question",
"name": "Peut-on observer les chromatides en microscopie électronique ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la microscopie électronique offre une résolution élevée pour observer les chromatides."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent des anomalies chromosomiques ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies chromosomiques peuvent entraîner des malformations congénitales ou des troubles du développement."
}
},
{
"@type": "Question",
"name": "Les anomalies des chromatides causent-elles des maladies ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies peuvent être liées à des maladies comme le syndrome de Down."
}
},
{
"@type": "Question",
"name": "Comment les anomalies des chromatides affectent-elles la santé ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent entraîner des cancers ou des troubles génétiques héréditaires."
}
},
{
"@type": "Question",
"name": "Les symptômes des troubles chromosomiques sont-ils visibles à la naissance ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains symptômes peuvent être visibles à la naissance, comme des traits faciaux caractéristiques."
}
},
{
"@type": "Question",
"name": "Les troubles des chromatides peuvent-ils affecter la fertilité ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies chromosomiques peuvent entraîner des problèmes de fertilité."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les anomalies chromosomiques ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines anomalies peuvent être évitées par des conseils génétiques et un suivi prénatal."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'alimentation dans la prévention des anomalies chromosomiques ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée et riche en acide folique peut réduire le risque d'anomalies."
}
},
{
"@type": "Question",
"name": "Les tests génétiques peuvent-ils aider à prévenir des anomalies ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les tests génétiques permettent d'identifier les risques d'anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "La vaccination peut-elle prévenir des anomalies chromosomiques ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines vaccinations peuvent prévenir des infections qui pourraient affecter le développement fœtal."
}
},
{
"@type": "Question",
"name": "Le suivi médical régulier aide-t-il à prévenir les anomalies chromosomiques ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un suivi médical régulier peut aider à détecter et gérer les risques d'anomalies."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour les anomalies chromosomiques ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements varient selon la condition, incluant thérapies géniques et interventions chirurgicales."
}
},
{
"@type": "Question",
"name": "La chimiothérapie est-elle utilisée pour traiter des anomalies des chromatides ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la chimiothérapie peut être utilisée pour traiter certains cancers liés à des anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "Les traitements sont-ils disponibles pour le syndrome de Turner ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des traitements hormonaux et des interventions médicales peuvent aider les patients."
}
},
{
"@type": "Question",
"name": "Peut-on corriger les anomalies chromosomiques par chirurgie ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines anomalies peuvent être corrigées par chirurgie, selon leur nature et gravité."
}
},
{
"@type": "Question",
"name": "Les thérapies géniques sont-elles efficaces contre les anomalies chromosomiques ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les thérapies géniques montrent un potentiel prometteur pour certaines anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'anomalies chromosomiques ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des troubles du développement, des malformations et des cancers."
}
},
{
"@type": "Question",
"name": "Les anomalies des chromatides peuvent-elles entraîner des complications à long terme ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent causer des complications chroniques et affecter la qualité de vie."
}
},
{
"@type": "Question",
"name": "Comment les anomalies chromosomiques affectent-elles la santé mentale ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent entraîner des troubles mentaux ou des difficultés d'adaptation sociale."
}
},
{
"@type": "Question",
"name": "Les complications des anomalies chromosomiques sont-elles réversibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être gérées, mais beaucoup ne sont pas réversibles."
}
},
{
"@type": "Question",
"name": "Les anomalies chromosomiques augmentent-elles le risque de maladies auto-immunes ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines anomalies chromosomiques peuvent être associées à un risque accru de maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'anomalies chromosomiques ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge maternel avancé, des antécédents familiaux et certaines expositions environnementales."
}
},
{
"@type": "Question",
"name": "Les infections pendant la grossesse augmentent-elles les risques chromosomiques ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines infections comme la rubéole peuvent augmenter le risque d'anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "L'exposition aux radiations influence-t-elle les anomalies chromosomiques ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition aux radiations peut augmenter le risque d'anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "Le tabagisme maternel est-il un facteur de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme pendant la grossesse est associé à un risque accru d'anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "Les facteurs génétiques jouent-ils un rôle dans les anomalies chromosomiques ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des mutations génétiques héréditaires peuvent augmenter le risque d'anomalies chromosomiques."
}
}
]
}
]
}
There is little literature on the use of face masks in a treadmill test (TMT) during the COVID-19 pandemic. The objective of this study is to analyze the impact of face masks during a TMT performed du...
Retrospective observational unicentric study of patients undergoing TMT. The inclusion criterion were being over 16years old and having performed at least one TMT in the prepandemic and postpandemic p...
One thousand six hundred fifty-five patients were included in the study. Nine hundred thirty-five (56.5%) were men and 720 (43.5%) women. The mean age was 57.3±14.9 and the mean follow-up time was 15....
The use of surgical or FFP2 face masks during the TMT did not affect functional capacity, blood pressure, heart rate, or increased ventricular arrhythmias....
The Buffalo Concussion Treadmill Test (BCTT) is a standard assessment of exercise tolerance utilized for exercise prescription following concussion and to inform decisions regarding return to play. On...
Prospective cohort study, pretest/posttest....
A total of 30 participants included 13 women (43.3%), age 23.4 (1.93) years, height 173.56 (10) cm, weight 77.35 (16.3) kg, and 11 (36.7%) with history of concussion. All participants completed a neur...
BCTT: Average percentage of heart rate maximum (%HRmax) = 93.97% (4.8%); average maximum rating of perceived exertion = 18.6 (1.5). Time-based performance in single-task and dual-task conditions signi...
Healthy participants demonstrated improvements across multiple domains of neurocognitive performance following the exercise tolerance testing on the BCTT. Understanding normal responses in neurocognit...
To evaluate the feasibility of "threshold-based" aerobic exercise prescription in cardiovascular disease, we aimed to quantify the proportion of patients whose clinical cardiopulmonary exercise test (...
Breath-by-breath CPET data of 1102 patients (65 ± 12 years) referred to cardiac rehabilitation were analyzed to identify peak O...
Mean V˙O...
Only 32% of CPETs exhibited both θ...
Aerobic exercise is safe and beneficial for adolescent athletes recovering from sport-related concussion (SRC). The results of systematic graded exercise testing are used to create individualized, sub...
Pulmonary arterial hypertension (PAH), documented in a significant portion of hypertrophic cardiomyopathy (HCM) patients, has been shown to adversely impact prognosis. In most HCM patients congestive ...
Valid measurements of cardiorespiratory fitness in persons with multiple sclerosis (pwMS) are essential during inpatient rehabilitation for a precise evaluation of the current health status, for defin...
This cross-sectional study comprises a retrospective examination of ACSM criteria for maximal effort during graded CPET of n = 380 inpatient pwMS (mean age = 48 ± 11 years, 66% female). Chi-squared or...
Only 60% of the overall sample attained a respiratory exchange ratio ≥ 1.10. With regard to the definition applied, only 24% or 40% of the participants achieved an oxygen consumption plateau, and 17% ...
Our findings suggest that a relevant proportion of inpatient pwMS do not attain common criteria utilized to verify maximal oxygen consumption. Identified predictors for criteria attainment can be used...
Maximum oxygen consumption and maximum power output are critical measures for training prescription in endurance sports such as rowing. The objective of this investigation was twofold: to compare the ...
Cardiopulmonary Exer cise Testing (CPET) is a unique physiologic medical test used to evaluate human response to progressive maximal exercise stress. Depending on the degree and type of deviation from...
Exercise stress testing using a ramp protocol has been favored for cardiopulmonary exercise testing (CPX) in patients with heart failure (HF). However, the stepwise protocol for CPX was preferred for ...
Ambulatory outpatients with chronic HF were enrolled for a symptom-limited stepwise bicycle exercise test in the semi-supine position on a cycle ergometer. The test was started at a workload of 30 W a...
Among a total of 36 participants (age 61.2 ± 12.4 years; 69.4% men), all subjects achieved anerobic threshold during CPX-ESE and reached 72.3% of the age-predicted peak heart rate. The peak oxygen con...
The stepwise protocol, with an initial workload of 30 W, followed by 15 W increments every 3 minutes, was feasible and provided an adequate stress load for patients with HF. This exercise stress modal...
Cardiopulmonary exercise testing (CPET) can identify mechanisms of exercise intolerance in heart failure with preserved ejection fraction (HFpEF), but exercise modalities with differing body positions...
Subjects with stable HFpEF (n = 23) underwent noninvasive treadmill CPET, followed by an invasive recumbent-cycle ergometer CPET within 3 months. A comparison group undergoing similar studies included...
The peak oxygen consumption (VO...
Compared to recumbent ergometer, treadmill CPET revealed higher VO...