questionsmedicales.fr
Phénomènes génétiques
Structures génétiques
Structures de chromosome
Chromatides
Chromatides : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"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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"@type": "Question",
"name": "Comment identifier les chromatides lors de la mitose ?",
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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,
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"@type": "Answer",
"text": "Oui, la PCR peut être utilisée pour analyser des segments spécifiques des chromatides."
}
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{
"@type": "Question",
"name": "Quel rôle joue l'immunofluorescence dans l'étude des chromatides ?",
"position": 4,
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"text": "L'immunofluorescence permet de visualiser des protéines spécifiques sur les chromatides."
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{
"@type": "Question",
"name": "Peut-on observer les chromatides en microscopie électronique ?",
"position": 5,
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{
"@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."
}
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{
"@type": "Question",
"name": "Les anomalies des chromatides causent-elles des maladies ?",
"position": 7,
"acceptedAnswer": {
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"text": "Oui, des anomalies peuvent être liées à des maladies comme le syndrome de Down."
}
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{
"@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."
}
}
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The ankle-foot prosthesis aims to compensate for the missing motor functions by fitting the motion characteristics of the human ankle, which contributes to enabling the lower-limb amputees to take car...
The loss of a hand disrupts the sophisticated neural pathways between the brain and the hand, severely affecting the level of independence of the patient and the ability to carry out daily work and so...
In the last decade, notable progress in mechatronics paved the way for a new generation of arm prostheses, expanding motor capabilities thanks to their multiple active joints. Yet, the design of contr...
To meet this need for a test-bed, we developed the Smart Arm platform, a human-like, multi-articulated robotic arm that can be worn as a trans-humeral arm prosthesis. The design process followed three...
The Smart ArM platform includes motorized elbow and wrist joints while being compatible with commercial prosthetic hands. Its software and electronic architecture can be easily adapted to build device...
These application scenarios illustrate the versatility and adaptability of the proposed platform, for research purposes as well as outside the lab. The Smart Arm platform offers a test-bed for experim...
Base-of-thumb osteoarthritis is the most frequent osteoarthritis of the hand requiring surgical treatment, although conservative treatment options should be exhausted before surgery. If the wear proce...
Clinical myoelectric prostheses lack the sensory feedback and sufficient dexterity required to complete activities of daily living efficiently and accurately. Providing haptic feedback of relevant env...
Robotic leg prostheses promise to improve the mobility and quality of life of millions of individuals with lower-limb amputations by imitating the biomechanics of the missing biological leg. Unfortuna...
Although considerable literature can be found on the outcome of total ankle replacement (TAR), only a few studies have reported the results of the fixed-bearing Cadence prosthesis. This noninventor st...
Sixty patients who underwent primary TAR with the Cadence prosthesis between July 2016 and July 2019 were clinically and radiographically evaluated preoperatively and at last follow-up after the proce...
The survival rate of the prosthesis was 98.3%. The mean radiographic ankle ROM at the last follow-up was 24 degrees (9 degrees of dorsiflexion and 15 degrees of plantarflexion). The coronal and sagitt...
Clinical, radiograph ROM, implant position outcomes, and survival rate at an early-term follow-up of 2.9 years were similar to those reported in recent Cadence studies. However, this study reports 5 u...
Level IV, retrospective case series....
Temporary antibiotic-loaded cement spacers are widely used for treating chronic periprosthetic hip infections. The aim of this study is to evaluate the short-term tribological performance of ultra-hig...
It is preferable to reduce postoperative excessive rotational mismatch between the femur and tibia that causes poor clinical results following total knee arthroplasty (TKA). The aim of this study is t...
This study classified 190 TKAs into two groups equally by propensity score matching: mobile-bearing group (n = 95) and fixed-bearing group (n = 95). Computed tomography images of the whole leg were ta...
Rotational mismatch between the femur and tibia was significantly less in the mobile- (- 0.8° ± 7.3°) than in the fixed-bearing (3.3° ± 8.5°, p < 0.001) group. New KSS functional activity score was si...
When compared to a fixed-bearing prosthesis, TKA using a mobile-bearing prosthesis could suppress the postoperative rotational mismatch between the femur and tibia that causes poor subjective function...
Gunshot wounds in the maxillofacial region may cause serious defects that result in functional and esthetic disabilities. A 14-year-old male patient was referred to the prosthodontics clinic for provi...