Titre : Son (physique)

Son (physique) : Questions médicales fréquentes

Termes MeSH sélectionnés :

DNA Copy Number Variations
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auditif ?", "url": "https://questionsmedicales.fr/mesh/D013016?mesh_terms=DNA+Copy+Number+Variations&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Son (physique)", "description": "Quels sont les symptômes d'une perte auditive ?\nComment se manifestent les acouphènes ?\nQuels signes d'infection de l'oreille ?\nQuels symptômes d'une exposition au bruit ?\nComment reconnaître une otite ?", "url": "https://questionsmedicales.fr/mesh/D013016?mesh_terms=DNA+Copy+Number+Variations&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Son (physique)", "description": "Comment prévenir la perte auditive ?\nQuelles mesures pour éviter les infections de l'oreille ?\nComment réduire le risque d'acouphènes ?\nQuelles précautions en milieu bruyant ?\nComment éviter les traumatismes auditifs ?", "url": 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"https://questionsmedicales.fr/mesh/D013016?mesh_terms=DNA+Copy+Number+Variations&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Son (physique)", "description": "Quels facteurs augmentent le risque de perte auditive ?\nQuels sont les facteurs de risque d'acouphènes ?\nQuelles conditions augmentent le risque d'otite ?\nComment le mode de vie influence-t-il l'audition ?\nQuels médicaments peuvent affecter l'audition ?", "url": "https://questionsmedicales.fr/mesh/D013016?mesh_terms=DNA+Copy+Number+Variations&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la perte auditive ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un audiogramme mesure la capacité auditive à différentes fréquences." } }, { "@type": "Question", "name": "Quels tests pour les troubles auditifs ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests comme la tympanométrie et l'audiométrie sont utilisés." } }, { "@type": "Question", "name": "Quels signes indiquent une infection de l'oreille ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Douleur, écoulement et perte auditive peuvent signaler une infection." } }, { "@type": "Question", "name": "Comment détecter les acouphènes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Un examen auditif et des questionnaires évaluent la présence d'acouphènes." } }, { "@type": "Question", "name": "Quels symptômes nécessitent un examen auditif ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des difficultés à entendre, des bourdonnements ou des douleurs doivent être examinées." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une perte auditive ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Difficulté à comprendre la parole, besoin d'augmenter le volume, isolement social." } }, { "@type": "Question", "name": "Comment se manifestent les acouphènes ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Ils se présentent comme des bourdonnements ou des sifflements dans l'oreille." } }, { "@type": "Question", "name": "Quels signes d'infection de l'oreille ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Douleur, fièvre, écoulement et irritabilité chez les enfants." } }, { "@type": "Question", "name": "Quels symptômes d'une exposition au bruit ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Sensation de pression dans les oreilles, fatigue auditive, acouphènes temporaires." } }, { "@type": "Question", "name": "Comment reconnaître une otite ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Douleur intense, rougeur de l'oreille, parfois fièvre et irritabilité." } }, { "@type": "Question", "name": "Comment prévenir la perte auditive ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les bruits forts, utiliser des protections auditives et faire des bilans réguliers." } }, { "@type": "Question", "name": "Quelles mesures pour éviter les infections de l'oreille ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une bonne hygiène, éviter la fumée de tabac et vacciner les enfants." } }, { "@type": "Question", "name": "Comment réduire le risque d'acouphènes ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Limiter l'exposition au bruit et gérer le stress peuvent aider à prévenir les acouphènes." } }, { "@type": "Question", "name": "Quelles précautions en milieu bruyant ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Porter des bouchons d'oreilles et réduire le temps d'exposition au bruit intense." } }, { "@type": "Question", "name": "Comment éviter les traumatismes auditifs ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les sons soudains et utiliser des équipements de protection lors d'activités bruyantes." } }, { "@type": "Question", "name": "Quels traitements pour la perte auditive ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les appareils auditifs, les implants cochléaires et la rééducation auditive sont utilisés." } }, { "@type": "Question", "name": "Comment traiter les acouphènes ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies sonores, des conseils et des médicaments peuvent aider à gérer les acouphènes." } }, { "@type": "Question", "name": "Quel traitement pour l'otite ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Antibiotiques pour les infections bactériennes, analgésiques pour la douleur." } }, { "@type": "Question", "name": "Comment gérer l'exposition au bruit ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des protections auditives et limiter le temps d'exposition au bruit fort." } }, { "@type": "Question", "name": "Quels médicaments pour les troubles auditifs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des corticostéroïdes peuvent être prescrits pour réduire l'inflammation de l'oreille." } }, { "@type": "Question", "name": "Quelles complications de la perte auditive ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Isolement social, dépression et difficultés de communication peuvent survenir." } }, { "@type": "Question", "name": "Quels risques liés aux acouphènes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les acouphènes peuvent entraîner de l'anxiété, des troubles du sommeil et de la concentration." } }, { "@type": "Question", "name": "Quelles complications d'une otite non traitée ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Infections chroniques, perte auditive permanente et complications intracrâniennes possibles." } }, { "@type": "Question", "name": "Quels effets du bruit sur la santé ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Le bruit excessif peut causer des troubles auditifs, du stress et des maladies cardiovasculaires." } }, { "@type": "Question", "name": "Comment la perte auditive affecte-t-elle la qualité de vie ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut réduire l'interaction sociale, affecter l'emploi et diminuer la qualité de vie globale." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de perte auditive ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition au bruit, l'âge, les antécédents familiaux et certaines maladies augmentent le risque." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque d'acouphènes ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition au bruit, le stress, l'âge et certaines conditions médicales peuvent contribuer." } }, { "@type": "Question", "name": "Quelles conditions augmentent le risque d'otite ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les allergies, les infections respiratoires et l'exposition à la fumée de tabac sont des facteurs de risque." } }, { "@type": "Question", "name": "Comment le mode de vie influence-t-il l'audition ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, sans tabac et avec une alimentation équilibrée, peut protéger l'audition." } }, { "@type": "Question", "name": "Quels médicaments peuvent affecter l'audition ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certains antibiotiques et médicaments anti-inflammatoires peuvent causer des effets secondaires auditifs." } } ] } ] }

Sources (10000 au total)

A pan-cancer landscape of pathogenic somatic copy number variations.

Copy number variations (CNVs) play crucial roles in physiological and pathological processes, including cancer. However, the functional implications of somatic CNVs in tumor progression and evolution ... Starting from 7352 copy number profiles across 33 different cancer types, we infer the pathogenicity of each CNV and perform both intra- and inter-tumor analyses to predict the functional impact of di... Our analysis uncovered large heterogeneity among different tumors suggesting in many cases distinct genetic drivers of tumorigenesis. Recurrent genomic alterations frequently coincide with dysfunction... This study contributes to elucidate the functional impact of pathogenic CNVs in tumor progression and sheds light on their potential as prognostic markers in specific cancer types....

Contribution of copy number variations to the risk of severe eating disorders.

Eating disorders (EDs) are complex, multifactorial psychiatric conditions. Previous studies identified pathogenic copy number variations associated with NDDs (NDD-CNVs) in ED patients. However, no sta... Using array comparative genomic hybridization (aCGH), we conducted a high-resolution CNV analysis of 71 severe female ED patients and 1045 female controls. According to the American College of Medical... Of the samples analyzed with aCGH, 70 severe ED patients (98.6%) and 1036 controls (99.1%) passed our quality control filtering. We obtained 189 and 2539 rare CNVs from patients and controls, respecti... Our study provides the first preliminary evidence that NDD-CNVs may confer risk for severe EDs. The pathophysiology may involve synaptic dysfunction....

Prognostic and survival impact of BCL9 and RPS6KB1 copy number variation detected from circulating free DNA in hepatocellular carcinoma.

Circulating cell-free DNA (cfDNA) is a noninvasive substitute to liver biopsy for hepatocellular carcinoma (HCC) molecular profiling. This study aimed to use cfDNA to investigate copy number variation... Real-Time Polymerase Chain Reaction was used to determine the CNV and cfDNA integrity index in 100 HCC patients.... CNV gain in BCL9 and RPS6KB1 genes was detected in 14% and 24% of patients, respectively. Gain in CNV of BCL9 associated with risk of HCC in alcohol drinkers and hepatitis C seropositivity. In patient... cfDNA was used to detect BCL9 and RPS6KB1 CNVs, which influence prognosis and can be used as independent predictors of HCC patient survival....

Multiallelic Copy Number Variation in ORM1 is Associated with Plasma Cell-Free DNA Levels as an Intermediate Phenotype for Venous Thromboembolism.

Venous thromboembolism (VTE) is a common disease with high heritability. However, only a small portion of the genetic variance of VTE can be explained by known genetic risk factors. Neutrophil extrace...

Mitochondrial DNA copy number and risk of papillary thyroid carcinoma.

Mitochondrial DNA (mtDNA) copy number is associated with tumor activity and carcinogenesis. This study was undertaken to investigate mtDNA copy number in papillary thyroid cancer (PTC) tissues and to ... DNA was extracted from 105 PTC tissues and 67 control thyroid tissues, and mtDNA copy number mtDNA oxidative damage were determined using qPCR techniques.... Overall, the relative mtDNA copy number was significantly higher in PTC patients (p < 0.001). The risk of developing PTC increased significantly across the tertiles of mtDNA copy number (p trend < 0.0... Our results indicated that the augmentation of mtDNA content plays a significant role during the initiation of thyroid cancer, and it might represent a potential biomarker for predicting the risk of P...

Copy number variations (CNVs) and karyotyping analysis in males with azoospermia and oligospermia.

Considering the essential roles that genetic factors play in azoospermia and oligospermia, this study aims to identify abnormal chromosomes using karyotyping and CNVs and elucidate the associated gene... A total of 1157 azoospermia and oligospermia patients were recruited, of whom, 769 and 674 underwent next-generation sequencing (NGS) to identify CNVs and routine G-band karyotyping, respectively.... First, 286 patients were co-analyzed using CNV sequencing (CNV-seq) and karyotyping. Of the 725 and 432 patients with azoospermia and oligospermia, 33.8% and 48.9% had abnormal karyotypes and CNVs, re... Sex chromosome and autosomal CNV loci, such as Xp22.31 and 2p24.3, as well as the associated genes, such as VCX and NACAP9, could be candidate spermatogenesis genes. The high-frequency abnormal karyot...

dbCNV: deleteriousness-based model to predict pathogenicity of copy number variations.

Copy number variation (CNV) is a type of structural variation, which is a gain or loss event with abnormal changes in copy number. Methods to predict the pathogenicity of CNVs are required to realize ... From single nucleotide polymorphism (SNP), gene and region dimensions, we collected 79 informative features that quantitatively describe the characteristics of CNV, such as CNV length, the number of p... The performance of the dbCNV suggest that functional deleteriousness-based model of CNV is a promising approach to support the classification prediction and to further understand the pathogenic mechan...