Titre : Régions d'ancrage à la matrice nucléaire

Régions d'ancrage à la matrice nucléaire : Questions médicales fréquentes

Termes MeSH sélectionnés :

Predictive Value of Tests
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"datePublished": "2025-05-18", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Régions d'ancrage à la matrice nucléaire", "description": "Comment identifier les MAR dans le génome ?\nQuels tests sont utilisés pour étudier les MAR ?\nLes MAR sont-elles visibles par microscopie ?\nPeut-on détecter des mutations dans les MAR ?\nLes MAR sont-elles associées à des maladies ?", "url": "https://questionsmedicales.fr/mesh/D045170?mesh_terms=Predictive+Value+of+Tests&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Régions d'ancrage à la matrice nucléaire", "description": "Quels symptômes sont liés aux anomalies des MAR ?\nLes MAR affectent-elles l'expression génique ?\nY a-t-il des symptômes associés aux cancers liés aux MAR ?\nLes MAR influencent-elles le développement embryonnaire ?\nLes anomalies des MAR peuvent-elles causer des troubles ?", "url": 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peuvent-elles affecter les MAR ?", "url": "https://questionsmedicales.fr/mesh/D045170?mesh_terms=Predictive+Value+of+Tests&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Régions d'ancrage à la matrice nucléaire", "description": "Quelles complications peuvent survenir avec des anomalies des MAR ?\nLes anomalies des MAR peuvent-elles entraîner des maladies chroniques ?\nY a-t-il des complications liées aux traitements des MAR ?\nLes complications sont-elles réversibles ?\nLes anomalies des MAR affectent-elles la fertilité ?", "url": "https://questionsmedicales.fr/mesh/D045170?mesh_terms=Predictive+Value+of+Tests&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Régions d'ancrage à la matrice nucléaire", "description": "Quels sont les facteurs de risque pour les anomalies des MAR ?\nL'âge influence-t-il les anomalies des MAR ?\nLe mode de vie affecte-t-il les MAR ?\nLes antécédents familiaux jouent-ils un rôle ?\nLes agents environnementaux influencent-ils les MAR ?", "url": "https://questionsmedicales.fr/mesh/D045170?mesh_terms=Predictive+Value+of+Tests&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les MAR dans le génome ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les MAR peuvent être identifiées par des techniques de séquençage et d'analyse bioinformatique." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour étudier les MAR ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests comme la PCR et l'hybridation in situ sont couramment utilisés." } }, { "@type": "Question", "name": "Les MAR sont-elles visibles par microscopie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, les MAR ne sont pas directement visibles, mais leur effet sur la structure peut l'être." } }, { "@type": "Question", "name": "Peut-on détecter des mutations dans les MAR ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des mutations dans les MAR peuvent être détectées par séquençage ciblé." } }, { "@type": "Question", "name": "Les MAR sont-elles associées à des maladies ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Certaines MAR peuvent être liées à des maladies génétiques ou à des cancers." } }, { "@type": "Question", "name": "Quels symptômes sont liés aux anomalies des MAR ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les anomalies des MAR peuvent entraîner des dysfonctionnements cellulaires, mais pas de symptômes spécifiques." } }, { "@type": "Question", "name": "Les MAR affectent-elles l'expression génique ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les MAR jouent un rôle crucial dans la régulation de l'expression génique." } }, { "@type": "Question", "name": "Y a-t-il des symptômes associés aux cancers liés aux MAR ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes dépendent du type de cancer, mais peuvent inclure fatigue, douleur, et perte de poids." } }, { "@type": "Question", "name": "Les MAR influencent-elles le développement embryonnaire ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les MAR sont impliquées dans la régulation des gènes essentiels au développement embryonnaire." } }, { "@type": "Question", "name": "Les anomalies des MAR peuvent-elles causer des troubles ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies peuvent contribuer à des troubles du développement ou des cancers." } }, { "@type": "Question", "name": "Peut-on prévenir les anomalies des MAR ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention est difficile, mais un mode de vie sain peut réduire les risques de maladies associées." } }, { "@type": "Question", "name": "Y a-t-il des tests de dépistage pour les anomalies des MAR ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas de tests de dépistage spécifiques pour les anomalies des MAR." } }, { "@type": "Question", "name": "Comment réduire le risque de cancers liés aux MAR ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les facteurs de risque connus comme le tabagisme et l'exposition à des agents cancérigènes." } }, { "@type": "Question", "name": "L'alimentation influence-t-elle les MAR ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée peut influencer l'expression génique, y compris celle des MAR." } }, { "@type": "Question", "name": "Les examens médicaux réguliers aident-ils ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des examens réguliers peuvent aider à détecter précocement des maladies associées." } }, { "@type": "Question", "name": "Y a-t-il des traitements ciblant les MAR ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas de traitements spécifiques ciblant les MAR." } }, { "@type": "Question", "name": "Comment les thérapies géniques affectent-elles les MAR ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les thérapies géniques peuvent modifier l'expression des gènes associés aux MAR." } }, { "@type": "Question", "name": "Les traitements du cancer affectent-ils les MAR ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains traitements du cancer peuvent influencer l'activité des MAR." } }, { "@type": "Question", "name": "Peut-on utiliser des médicaments pour moduler les MAR ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des recherches sont en cours pour développer des médicaments modulant l'activité des MAR." } }, { "@type": "Question", "name": "Les interventions chirurgicales peuvent-elles affecter les MAR ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, en modifiant l'environnement cellulaire, mais pas directement les MAR." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des anomalies des MAR ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des troubles du développement et un risque accru de cancers." } }, { "@type": "Question", "name": "Les anomalies des MAR peuvent-elles entraîner des maladies chroniques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines anomalies peuvent contribuer à des maladies chroniques comme le cancer." } }, { "@type": "Question", "name": "Y a-t-il des complications liées aux traitements des MAR ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements peuvent avoir des effets secondaires, mais pas spécifiquement liés aux MAR." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être gérées, mais d'autres peuvent être permanentes." } }, { "@type": "Question", "name": "Les anomalies des MAR affectent-elles la fertilité ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Certaines anomalies peuvent influencer la fertilité, mais cela dépend du contexte génétique." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour les anomalies des MAR ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent des prédispositions génétiques et des expositions environnementales." } }, { "@type": "Question", "name": "L'âge influence-t-il les anomalies des MAR ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'âge avancé peut augmenter le risque de mutations génétiques, y compris dans les MAR." } }, { "@type": "Question", "name": "Le mode de vie affecte-t-il les MAR ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des habitudes comme le tabagisme et l'alimentation peuvent influencer les MAR." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies génétiques peuvent augmenter le risque d'anomalies." } }, { "@type": "Question", "name": "Les agents environnementaux influencent-ils les MAR ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à des agents cancérigènes peut affecter l'intégrité des MAR." } } ] } ] }

Sources (10000 au total)

Positive Predictive Value of Diagnosis Codes for Hidradenitis Suppurativa and Cutaneous Abscess.

Requisite to the application of clinical databases for observational research in hidradenitis suppurativa (HS) is the identification of an accurate case cohort. There is limited information on the val... The objective of the study was to assess the validity in utilizing diagnosis codes to establish the HS and CA cohorts from an integrated health system clinical database.... In this retrospective study, we evaluated a case-finding algorithm for HS which included the presence of at least one diagnosis code for HS and no diagnosis codes for CA of the axilla, groin, perineum... Among 100 HS patients, median age (interquartile range) in the HS cohort was 33 (24.75, 43.25) years. HS patients were predominantly female (82%) and white (70%). Median age among 100 CA patients was ... The case-finding algorithms employing at least one diagnosis code for HS and CA of the axilla, groin, perineum, or buttock, with the exclusion of the other's diagnosis codes, has good to strong PPV an...

Positive Predictive Value of Primary Subarachnoid Hemorrhage Diagnoses on Death Certificates.

Epidemiological studies of primary subarachnoid hemorrhage (pSAH) frequently include population-based death registries for case finding. The positive predictive value of pSAH diagnoses in death regist... This cross-sectional study identified all people in Ontario, Canada with pSAH listed as a cause of death between 2013 and 2017. pSAH was classified as "very likely" if diagnosis of pSAH was confirmed ... 1,613 deaths attributed to pSAH were identified (mean 322/year). pSAH classification frequencies were as follows: very likely 528 (32.7%); very unlikely 433 (26.8%); and status unknown 652 (40.4%).... We found that a quarter of pSAH cases in our province's death registry were very unlikely to be true pSAH while 40% had unknown veracity. These data should be considered when using death registries fo...

Negative predictive value of the FebriDx host response point-of-care test in patients presenting to a single Australian emergency department with suspected COVID-19: an observational diagnostic accuracy study.

To determine the negative predictive value (NPV) of the FebriDx point-of-care host response device in patients presenting with symptoms suggestive of COVID-19 infection in a mostly immunised Australia... Observational diagnostic accuracy study comparing FebriDx point-of-care test to SARS-CoV-2 PCR.... An ED in Melbourne, Australia, with 63 000 annual presentations in 2021.... Patients aged 16 and over who met the Victorian Department of Health case definition for suspected COVID-19 infection PCR testing. Patients meeting any of the following criteria were excluded: <16 yea... COVID-19 PCR results (detected, not detected) and FebriDx results (bacterial positive, viral negative, viral positive).... 94 participants were enrolled (female: 46; male: 48), 34% of participants (tested positive for COVID-19 according to PCR results, with a background incidence among all adult ED attenders of 2.5%. The ... In the context of a population with low COVID-19 infection rates, an evolved variant of COVID-19 and a very high community COVID-19 vaccination rate, FebriDx demonstrated reduced sensitivity and NPV r... ACTRN12620001029987 (Australian Clinical Trials)....

Positive Predictive Value of Endoscopic Findings to Diagnose Vocal Fold Paresis.

Laryngoscopy corresponding with laryngeal electromyography (LEMG) is essential in diagnosing vocal fold paresis. However, baseline asymmetry or other diseases oftentimes confound the exam, making diag... We performed a retrospective review of patients with laryngeal asymmetry on laryngoscopy. Patients were divided into two groups: those with consistent paresis triad findings across all pitches and int... Twelve patients met inclusion criteria (age 50 +/-15, 7F:5M). Nine had the paresis triad. Three had an inconsistent triad. All patients with the paresis triad had LEMG findings consistent with neurolo... Our findings suggest the proposed laryngoscopic paresis triad may be useful objective criteria to diagnose paresis without the need for LEMG. Further prospective studies should examine a larger series... 4 Laryngoscope, 133:1712-1716, 2023....

Positive predictive value of humeral fractures in the Danish National Patient Registry.

The purpose of this study was to validate the humeral fracture diagnoses for adults in the Danish National Patient Registry (DNPR).... This was a population-based validity study, including adult patients (≥ 18 years) with a humeral fracture referred to the emergency department of hospitals in three Danish regions from March 2017 to F... In total, 661 patients were sampled between all available diagnosis codes. Overall, the PPV for humeral fracture was 89.3% (95% CI: 86.6-91.4%). PPVs for the subdivision codes were 91.0% (95% CI: 84.0... The validity of the humeral fracture diagnosis and the classifications of proximal and diaphyseal fractures in the DNPR is high, and the DNPR may therefore be used in registry research. Diagnosis of d... none.... not relevant....

Discriminative value of different combinations of tests to detect unilateral neglect in patients with right hemisphere damage.

This study was undertaken to assess the most sensitive combination of tests to detect peripersonal unilateral neglect (UN) after stroke.... The present study is a secondary analysis of a previously reported multicentric study of 203 individuals with right hemisphere damage (RHD), mainly subacute stroke, 11 weeks postonset on average, and ... A combination of four z-scores based on the following three tests provided good discrimination of patients with RHD from matched healthy controls: the starting point and the difference between the num... The most sensitive and parsimonious combination of tests to detect UN after stroke relies on four scores from three simple tests (bells test, line bisection, and reading). Future study is warranted to...

Predictive Value of Ultrasound Imaging for Diagnosis and Surgery of Deep Endometriosis: A Systematic Review.

To calculate the predictive value and thus the clinical usefulness of transvaginal ultrasound (US) imaging for the management of deep endometriosis, knowing that the positive predictive value (PPV) va... After registration on PROSPERO (CRD42022366323), PubMed was searched for all reports describing the diagnostic accuracy of US imaging for deep endometriosis published between January 1, 2000, and Octo... The 536 articles on "endometriosis AND US And diagnosis" were hand searched, and 30 reports describing sensitivity and specificity of deep endometriosis were found. Besides sensitivity and specificity... Prevalences of deep endometriosis were reported only twice as 12% and 32% by ultrasonographers. In women undergoing surgery, prevalences vary between 40% and 100% because of the variable inclusion cri... The reported sensitivities and specificities of transvaginal US are not only those of imaging but include symptoms and clinical examinations. In referral centers, the reported PPVs are high (94%-100%)...