questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Protéines de transport
Protéines AAA
Protéines AAA : Questions médicales fréquentes
Termes MeSH sélectionnés :
Ventricular Function, Left
Diagnostic
5
Protéines AAA
Diagnostic médical
Protéines AAA
Tests de laboratoire
Marqueurs biologiques
Protéines AAA
Imagerie médicale
Protéines AAA
Symptômes
5
Troubles cognitifs
Protéines AAA
Symptômes cutanés
Protéines AAA
Douleurs musculaires
Protéines AAA
Variabilité des symptômes
Protéines AAA
Prévention
5
Éducation génétique
Protéines AAA
Habitudes alimentaires
Protéines AAA
Traitements
5
Traitements
Protéines AAA
Thérapie génique
Protéines AAA
Médicaments
Protéines AAA
Physiothérapie
Protéines AAA
Complications
5
Complications
Protéines AAA
Maladies cardiovasculaires
Protéines AAA
Troubles métaboliques
Protéines AAA
Réversibilité
Protéines AAA
Facteurs de risque
5
Facteurs de risque
Protéines AAA
Mode de vie
Protéines AAA
Vieillissement
Protéines AAA
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"name": "Comment diagnostiquer une dysfonction des protéines AAA ?",
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"text": "Le diagnostic repose sur des tests génétiques et des analyses protéomiques."
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"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer les protéines AAA ?",
"position": 2,
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"@type": "Answer",
"text": "Des tests de fonction cellulaire et des dosages d'ATPase peuvent être effectués."
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{
"@type": "Question",
"name": "Les biopsies sont-elles utiles pour les protéines AAA ?",
"position": 3,
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"@type": "Question",
"name": "Quels marqueurs biologiques sont associés aux protéines AAA ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des marqueurs comme Hsp70 peuvent être utilisés pour évaluer l'activité des protéines AAA."
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"@type": "Question",
"name": "Les imageries médicales aident-elles au diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'imagerie peut montrer des anomalies cellulaires, mais n'est pas spécifique aux protéines AAA."
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"@type": "Question",
"name": "Quels symptômes indiquent une anomalie des protéines AAA ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes incluent la faiblesse musculaire, la fatigue et des troubles neurologiques."
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"@type": "Question",
"name": "Les troubles cognitifs sont-ils liés aux protéines AAA ?",
"position": 7,
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"text": "Oui, des anomalies peuvent entraîner des troubles cognitifs et de la mémoire."
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"@type": "Question",
"name": "Y a-t-il des symptômes cutanés associés ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines maladies liées aux protéines AAA peuvent provoquer des éruptions cutanées."
}
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"@type": "Question",
"name": "Les douleurs musculaires sont-elles fréquentes ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs musculaires peuvent survenir en raison de dysfonctionnements des protéines."
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"@type": "Question",
"name": "Les symptômes varient-ils selon les types de protéines AAA ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon le type de protéine AAA impliquée et la pathologie."
}
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"@type": "Question",
"name": "Peut-on prévenir les dysfonctionnements des protéines AAA ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention est difficile, mais un mode de vie sain peut réduire les risques."
}
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"@type": "Question",
"name": "Les dépistages réguliers sont-ils utiles ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des dépistages peuvent aider à identifier précocement les anomalies génétiques."
}
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"@type": "Question",
"name": "L'éducation génétique est-elle importante ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'éducation sur les maladies héréditaires peut aider à la prévention."
}
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"@type": "Question",
"name": "Les habitudes alimentaires influencent-elles la santé des protéines ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée peut soutenir la santé cellulaire et protéique."
}
},
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"@type": "Question",
"name": "Le stress a-t-il un impact sur les protéines AAA ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut affecter la fonction cellulaire et les protéines."
}
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"@type": "Question",
"name": "Quels traitements existent pour les dysfonctionnements des protéines AAA ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des thérapies géniques et des médicaments ciblant les voies cellulaires."
}
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"@type": "Question",
"name": "La thérapie génique est-elle efficace ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la thérapie génique montre des résultats prometteurs dans certaines pathologies liées."
}
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"@type": "Question",
"name": "Des médicaments spécifiques sont-ils disponibles ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des inhibiteurs de l'ATPase sont en cours d'étude pour traiter les dysfonctionnements."
}
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"@type": "Question",
"name": "Les approches nutritionnelles aident-elles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une nutrition adéquate peut soutenir la fonction cellulaire, mais n'est pas un traitement direct."
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"@type": "Question",
"name": "La physiothérapie est-elle recommandée ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la physiothérapie peut aider à gérer les symptômes musculaires et améliorer la fonction."
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"@type": "Question",
"name": "Quelles complications peuvent survenir avec les protéines AAA ?",
"position": 21,
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"text": "Des complications incluent des maladies neurodégénératives et des troubles musculaires."
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"@type": "Question",
"name": "Les maladies cardiovasculaires sont-elles liées ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines dysfonctionnements des protéines AAA peuvent augmenter le risque cardiovasculaire."
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"@type": "Question",
"name": "Y a-t-il des risques de cancer associés ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans les protéines AAA peuvent être liées à certains types de cancer."
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"@type": "Question",
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"position": 24,
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"text": "Oui, des dysfonctionnements peuvent entraîner des troubles métaboliques variés."
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"name": "Les complications sont-elles réversibles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être gérées, mais d'autres peuvent être irréversibles."
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"acceptedAnswer": {
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"text": "Les facteurs incluent des prédispositions génétiques, l'âge et des facteurs environnementaux."
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"@type": "Question",
"name": "L'hérédité joue-t-elle un rôle ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines mutations génétiques héréditaires augmentent le risque de dysfonction."
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"name": "Le mode de vie influence-t-il le risque ?",
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"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque."
}
},
{
"@type": "Question",
"name": "Les infections peuvent-elles affecter les protéines AAA ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections virales peuvent perturber la fonction des protéines AAA."
}
},
{
"@type": "Question",
"name": "Le vieillissement est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut affecter la fonction des protéines et augmenter les risques."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 18/02/2025
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA. kapoor@rockefeller.edu.
4 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
4 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Tri-Institutional PhD Program in Chemical Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, U.S.A.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Affiliations :
Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA. xiad@mail.nih.gov.
Publications dans "Protéines AAA" :
3 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY, USA.
Tri-Institutional PhD Program in Chemical Biology, The Rockefeller University, New York, NY, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, U.S.A.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL, U.S.A.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Chemistry and Cell Biology, The Rockefeller University, New York, NY 10065, USA; Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD Program, New York, NY 10065, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 761001, Israel.
Publications dans "Protéines AAA" :
2 publications dans cette catégorie
Affiliations :
Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 761001, Israel.
Publications dans "Protéines AAA" :
Heart failure (HF) is often categorized by left ventricular (LV) ejection fraction (LVEF). A new category of HF characterized by supra-normal LVEF (>65%), named HF with supra-normal ejection fraction ...
Ventricular arrhythmia (VA) commonly originate from the left ventricular summit (LVS) and results in left ventricular (LV) dysfunction in some patients; however, factors related to LV cardiomyopathy h...
Between 2013 and 2018, a total of 139 patients (60.7% men; mean age 53.2 ± 13.9 years old) underwent catheter ablation for LVS VA in two centers. Detailed patient demographics, electrocardiograms, ele...
Acute procedural success was achieved in 92.8% of patients. There were 40 patients (28.8%) with LV cardiomyopathy, and the mean LVEF improved from 37.5 ± 9.3% to 48.5 ± 10.2% after ablation (p < .001)...
In patients with VA from the LVS, PVC QRSd and AEAD are factors associated with deteriorating LV systolic function. Catheter ablation can reverse LV remodeling. Narrower QRSd and better LVEF are assoc...
Ascending aortic dilatation is a common clinical issue. In the present study, we aimed to evaluate the relationship between ascending aortic diameter with left ventricular (LV) and left atrial (LA) fu...
A total of 127 healthy participants with normal LV systolic function took part in the study. Echocardiographic measurements were obtained from each subject....
The mean age of the participants was 43 ± 14.1 years and 76 (59.8%) were female. The mean aortic diameter of the participants was 32.2 ± 4.7 mm. A negative correlation was found between aortic diamete...
A strong correlation between ascending aortic diameter with LV and LA functions, and LVMI in individuals with normal LV systolic function....
Positron emission tomography (PET) myocardial perfusion imaging (MPI) can be used to evaluate left ventricular (LV) volumes and function. We performed a head-to-head comparison of LV function and volu...
In this prospective study, 51 patients underwent [...
LVEF and LV wall motion can be accurately assessed using [...
CZT-SPECT has good agreement in the evaluation of mechanical synchronization compared with conventional SPECT. The aim of this study was to evaluate the correlation between left ventricular mechanical...
This retrospective study involved 371 patients (239 males and 132 females, mean age 61.06 ± 11.78 years old) who underwent GMPI at the Nuclear Medicine Department of Shanxi Cardiovascular Hospital fro...
PP, PSD, PHB, HS and HK were significantly different among the four groups (F = 5.20, 188.72, 202.88, 171.05, 101.36, P < 0.001). Pairwise comparison tests showed significant differences in PSD and PH...
CZT SPECT GMPI provided left ventricular mechanical contraction synchrony parameters that correlated well with left ventricular systolic function. Worse left ventricular mechanical contraction synchro...
Left ventricle myocardium has a complex micro-architecture, which was revealed to consist of myocyte bundles arranged in a series of laminar sheetlets. Recent imaging studies demonstrated that these s...
The perioperative quantification of left and right ventricular function is cornerstone to provide optimal patient care. Echocardiography has emerged as the most important cardiac imaging modality in t...
Myocardial contractility is poorly defined and difficult to compare between studies. Contractance or myocardial active strain energy density (MASED) measures the mechanical work done per unit volume (...
Data obtained from three previously published experimental studies using trabecular tissue was used to provide contemporaneous nominal stress and strain data in 18 different scenarios with different l...
We showed that calculating MASED was feasible and provided a measure of energy production (work done) per unit volume of myocardium during contraction. The new term for contractile function, contracta...
The right ventricle (RV) in hypertrophic cardiomyopathy (HCM) tends to be neglected, as previous efforts have predominantly focused on examining the prognostic value of left ventricular (LV) abnormali...
Two hundred and ninety HCM patients with preserved LV ejection fraction (LVEF ≥ 55%) and 30 age- and sex-matched controls underwent cardiovascular magnetic resonance (CMR). All patients were followed ...
When compared to controls, HCM patients exhibited lower RV and LV peak global longitudinal systolic strains on feature-tracking analysis of cine images, while RVEF and LVEF were within the normal rang...
In HCM, RV function, including RV strain, and LV strain decrease over time despite preserved LVEF. Reduction in RV but not LV function is associated with adverse cardiovascular outcomes. Assessing RV ...
Atrial fibrillation (AF) is the most common sustained arrhythmia in humans. The onset of the arrhythmia can significantly impair cardiac function. This hemodynamic deterioration has been explained by ...
Twelve patients undergoing catheter ablation for paroxysmal AF were paced simultaneously from the proximal coronary sinus and the His bundle region according to prescribed sequences of irregular R-R i...
Simulated AF led to significant impairment of left ventricular systolic and diastolic function. Both loss of atrial contraction and heart rate irregularity significantly contributed to hemodynamic imp...
Our findings strengthen the rationale for therapeutic strategies aiming at rhythm control and heart rate regularization in patients with AF....