questionsmedicales.fr
Métabolisme
Désalkylation
Déméthylation
Déméthylation : Questions médicales fréquentes
Termes MeSH sélectionnés :
Methicillin-Resistant Staphylococcus aureus
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Déméthylation : Questions médicales les plus fréquentes",
"headline": "Déméthylation : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Déméthylation : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-01-25",
"dateModified": "2025-04-19",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Déméthylation"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Désalkylation",
"url": "https://questionsmedicales.fr/mesh/D003640",
"about": {
"@type": "MedicalCondition",
"name": "Désalkylation",
"code": {
"@type": "MedicalCode",
"code": "D003640",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G03.219"
}
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Déméthylation de l'ADN",
"alternateName": "DNA Demethylation",
"url": "https://questionsmedicales.fr/mesh/D000073399",
"about": {
"@type": "MedicalCondition",
"name": "Déméthylation de l'ADN",
"code": {
"@type": "MedicalCode",
"code": "D000073399",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G03.219.500.500"
}
}
}
],
"about": {
"@type": "MedicalCondition",
"name": "Déméthylation",
"alternateName": "Demethylation",
"code": {
"@type": "MedicalCode",
"code": "D000073398",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Samuel E Ross",
"url": "https://questionsmedicales.fr/author/Samuel%20E%20Ross",
"affiliation": {
"@type": "Organization",
"name": "Genomics and Epigenetics Division, Garvan Institute of Medical Research, Sydney, Australia."
}
},
{
"@type": "Person",
"name": "Ozren Bogdanovic",
"url": "https://questionsmedicales.fr/author/Ozren%20Bogdanovic",
"affiliation": {
"@type": "Organization",
"name": "Genomics and Epigenetics Division, Garvan Institute of Medical Research, Sydney, Australia."
}
},
{
"@type": "Person",
"name": "Yaxin Xiong",
"url": "https://questionsmedicales.fr/author/Yaxin%20Xiong",
"affiliation": {
"@type": "Organization",
"name": "Department of Environmental Sciences, University of California, Riverside, California 92521, United States."
}
},
{
"@type": "Person",
"name": "Qingyang Shi",
"url": "https://questionsmedicales.fr/author/Qingyang%20Shi",
"affiliation": {
"@type": "Organization",
"name": "Department of Environmental Sciences, University of California, Riverside, California 92521, United States."
}
},
{
"@type": "Person",
"name": "Daniel Schlenk",
"url": "https://questionsmedicales.fr/author/Daniel%20Schlenk",
"affiliation": {
"@type": "Organization",
"name": "Department of Environmental Sciences, University of California, Riverside, California 92521, United States."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "LYZ2-SH3b as a novel and efficient enzybiotic against methicillin-resistant Staphylococcus aureus.",
"datePublished": "2023-09-13",
"url": "https://questionsmedicales.fr/article/37704938",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12866-023-03002-9"
}
},
{
"@type": "ScholarlyArticle",
"name": "Capillary electrophoretic methods for classification of methicillin-resistant Staphylococcus aureus (MRSA) clones.",
"datePublished": "2022-08-31",
"url": "https://questionsmedicales.fr/article/36089316",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.aca.2022.340305"
}
},
{
"@type": "ScholarlyArticle",
"name": "Relationship between mortality and molecular epidemiology of methicillin-resistant Staphylococcus aureus bacteremia.",
"datePublished": "2022-07-08",
"url": "https://questionsmedicales.fr/article/35802589",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1371/journal.pone.0271115"
}
},
{
"@type": "ScholarlyArticle",
"name": "Engineering a \"detect and destroy\" skin probiotic to combat methicillin-resistant Staphylococcus aureus.",
"datePublished": "2022-12-15",
"url": "https://questionsmedicales.fr/article/36520793",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1371/journal.pone.0276795"
}
},
{
"@type": "ScholarlyArticle",
"name": "Proton Motive Force Inhibitors Are Detrimental to Methicillin-Resistant Staphylococcus aureus Strains.",
"datePublished": "2022-08-09",
"url": "https://questionsmedicales.fr/article/35943153",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1128/spectrum.02024-22"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Métabolisme",
"item": "https://questionsmedicales.fr/mesh/D008660"
},
{
"@type": "ListItem",
"position": 3,
"name": "Désalkylation",
"item": "https://questionsmedicales.fr/mesh/D003640"
},
{
"@type": "ListItem",
"position": 4,
"name": "Déméthylation",
"item": "https://questionsmedicales.fr/mesh/D000073398"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Déméthylation - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Déméthylation",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-06",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Déméthylation",
"description": "Comment diagnostiquer une déméthylation anormale ?\nQuels marqueurs sont utilisés pour la déméthylation ?\nQuels tests sanguins peuvent indiquer une déméthylation ?\nLa biopsie est-elle nécessaire pour diagnostiquer la déméthylation ?\nQuels symptômes peuvent alerter sur une déméthylation ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Déméthylation",
"description": "Quels symptômes sont associés à la déméthylation ?\nLa déméthylation peut-elle causer des maladies ?\nY a-t-il des signes cliniques de déméthylation ?\nLes symptômes varient-ils selon l'âge ?\nLa déméthylation affecte-t-elle le système immunitaire ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Déméthylation",
"description": "Comment prévenir la déméthylation ?\nLes suppléments peuvent-ils aider ?\nLe stress influence-t-il la déméthylation ?\nL'exercice physique a-t-il un impact ?\nLes toxines environnementales jouent-elles un rôle ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Déméthylation",
"description": "Quels traitements existent pour la déméthylation ?\nLa nutrition peut-elle influencer la déméthylation ?\nLes thérapies épigénétiques sont-elles efficaces ?\nPeut-on prévenir la déméthylation par des médicaments ?\nLes traitements sont-ils personnalisés ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Déméthylation",
"description": "Quelles complications peuvent survenir ?\nLa déméthylation est-elle réversible ?\nQuels risques sont associés à la déméthylation ?\nLa déméthylation peut-elle affecter la fertilité ?\nY a-t-il des effets à long terme ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Déméthylation",
"description": "Quels sont les facteurs de risque de déméthylation ?\nL'hérédité joue-t-elle un rôle ?\nLes maladies chroniques augmentent-elles le risque ?\nLe mode de vie influence-t-il la déméthylation ?\nLes infections peuvent-elles affecter la déméthylation ?",
"url": "https://questionsmedicales.fr/mesh/D000073398?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=3#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment diagnostiquer une déméthylation anormale ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests génétiques et des analyses de l'ADN peuvent révéler des modifications de méthylation."
}
},
{
"@type": "Question",
"name": "Quels marqueurs sont utilisés pour la déméthylation ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les marqueurs épigénétiques comme 5-méthylcytosine sont souvent analysés."
}
},
{
"@type": "Question",
"name": "Quels tests sanguins peuvent indiquer une déméthylation ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de métabolites et d'ADN circulant peuvent fournir des indices."
}
},
{
"@type": "Question",
"name": "La biopsie est-elle nécessaire pour diagnostiquer la déméthylation ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une biopsie peut être nécessaire pour des analyses plus précises des tissus."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent alerter sur une déméthylation ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes variés comme des troubles neurologiques ou des cancers peuvent survenir."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont associés à la déméthylation ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes peuvent inclure des troubles cognitifs, des anomalies de croissance et des cancers."
}
},
{
"@type": "Question",
"name": "La déméthylation peut-elle causer des maladies ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est liée à des maladies comme le cancer et des troubles génétiques."
}
},
{
"@type": "Question",
"name": "Y a-t-il des signes cliniques de déméthylation ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes cliniques peuvent inclure des changements de comportement et des anomalies physiques."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon l'âge ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent se manifester différemment selon l'âge et le développement."
}
},
{
"@type": "Question",
"name": "La déméthylation affecte-t-elle le système immunitaire ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut altérer la réponse immunitaire, augmentant le risque d'infections."
}
},
{
"@type": "Question",
"name": "Comment prévenir la déméthylation ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée et un mode de vie sain peuvent aider à prévenir la déméthylation."
}
},
{
"@type": "Question",
"name": "Les suppléments peuvent-ils aider ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des suppléments comme l'acide folique peuvent soutenir la méthylation."
}
},
{
"@type": "Question",
"name": "Le stress influence-t-il la déméthylation ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut affecter les mécanismes de méthylation."
}
},
{
"@type": "Question",
"name": "L'exercice physique a-t-il un impact ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exercice régulier peut améliorer la santé épigénétique et la méthylation."
}
},
{
"@type": "Question",
"name": "Les toxines environnementales jouent-elles un rôle ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à certaines toxines peut perturber les mécanismes de méthylation."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour la déméthylation ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des thérapies géniques et des médicaments ciblés."
}
},
{
"@type": "Question",
"name": "La nutrition peut-elle influencer la déméthylation ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains nutriments comme l'acide folique peuvent moduler la méthylation."
}
},
{
"@type": "Question",
"name": "Les thérapies épigénétiques sont-elles efficaces ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles montrent un potentiel prometteur dans le traitement de certains cancers."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir la déméthylation par des médicaments ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des inhibiteurs spécifiques peuvent être utilisés pour prévenir la déméthylation."
}
},
{
"@type": "Question",
"name": "Les traitements sont-ils personnalisés ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les traitements peuvent être adaptés en fonction du profil génétique du patient."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des cancers, des troubles neurologiques et des maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "La déméthylation est-elle réversible ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines modifications peuvent être réversibles, mais pas toutes."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés à la déméthylation ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les risques incluent des maladies chroniques et des troubles de développement."
}
},
{
"@type": "Question",
"name": "La déméthylation peut-elle affecter la fertilité ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut influencer la fertilité en altérant la fonction reproductive."
}
},
{
"@type": "Question",
"name": "Y a-t-il des effets à long terme ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des effets à long terme peuvent inclure des prédispositions à diverses maladies."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque de déméthylation ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'alimentation, le stress, et l'exposition à des toxines."
}
},
{
"@type": "Question",
"name": "L'hérédité joue-t-elle un rôle ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des facteurs génétiques peuvent influencer la déméthylation."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques augmentent-elles le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines maladies chroniques peuvent augmenter le risque de déméthylation."
}
},
{
"@type": "Question",
"name": "Le mode de vie influence-t-il la déméthylation ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie malsain peut favoriser la déméthylation."
}
},
{
"@type": "Question",
"name": "Les infections peuvent-elles affecter la déméthylation ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections peuvent perturber les mécanismes de méthylation."
}
}
]
}
]
}
Enzybiotics are promising alternatives to conventional antibiotics for drug-resistant infections. Exolysins, as a class of enzybiotics, show antibacterial effects against methicillin-resistant Staphyl...
This study designed a chimeric exolysin by fusing the Cell-binding domain (SH3b) from Lysostaphin with the lytic domain (LYZ2) from the gp61 enzyme. Subsequently, LYZ2-SH3b was cloned and expressed in...
Analysis of bioinformatics showed that LYZ2-SH3b was stable, soluble, and non-allergenic. Protein purification was performed with a 0.8 mg/ml yield for LYZ2-SH3b. The plate lysis assay results indicat...
The study suggests that phage endolysins, such as LYZ2-SH3b, may represent a promising new approach to treating MRSA infections, particularly in cases where antibiotic resistance is a concern. But fur...
This study describes differentiation of methicillin-resistant Staphylococcus aureus (MRSA) isolates belonging to different genotype groups by the combination of electrophoretic techniques, transient i...
Staphylococcus aureus is the primary cause of bacteremia, and methicillin-resistant S. aureus bacteremia is associated with a high mortality rate. Methicillin-resistant S. aureus clones are widespread...
The prevalence and virulence of pathogens such as methicillin-resistant Staphylococcus (S.) aureus (MRSA), which can cause recurrent skin infections, are of significant clinical concern. Prolonged ant...
Methicillin-resistant Staphylococcus aureus (MRSA) strains are tolerant of conventional antibiotics, making them extremely dangerous. Previous studies have shown the effectiveness of proton motive for...
Methicillin-resistant Staphylococcus aureus (MRSA) can cause serious infections and empiric treatment regimens in children frequently include an anti-MRSA antibiotic. Studies in adults have demonstrat...
This was a single-site, retrospective cohort study of pediatric patients admitted with a suspected infectious diagnosis who had an MNS performed during their hospitalization between June 1, 2018 and N...
This study identified 172 patients who met the inclusion criteria. Eleven (6.4%) nasal swabs were positive for MRSA and 10 (5.8%) microbiological cultures from suspected sources of infection were iden...
MNS has a high NPV and low PPV in children. MNS can be utilized as an antimicrobial stewardship tool to guide the safe de-escalation of anti-MRSA antibiotics in children....
Necrotizing pneumonia caused by methicillin-resistant Staphylococcus aureus can lead to the formation of pneumatoceles in the lungs. Standard treatment guidelines are not available due to the rarity o...
Baby H. required prolonged respiratory support and supplemental oxygen to maintain appropriate oxygen saturation parameters for infants more than 34 weeks' gestation corrected. He was found to have mu...
Baby H. was a former 32.2-week gestation male infant diagnosed with pneumonia caused by necrotizing methicillin-resistant Staphylococcus aureus leading to pneumatocele formation in both lungs....
Baby H. was managed with aggressive antibiotic therapy and then was conservatively managed until he received a tracheostomy tube on day of life (DOL) 75 to prepare for discharge home....
Baby H. was discharged from the neonatal intensive care unit (NICU) on DOL 113 with a tracheostomy tube for prolonged mechanical ventilatory support and a gastrostomy tube for nutrition. Numerous foll...
While methicillin-resistant Staphylococcus aureus pneumatoceles are uncommon in the NICU setting, it is important for neonatal care providers to be aware of the causes and treatment choices currently ...
Methicillin-resistant Staphylococcus aureus (MRSA), a globally widespread pathogen that is highly resistant to antibiotics, can lead to serious infection, and has fairly limited treatment options. Ove...
Staphylococcus aureus, a commensal bacterium, colonizes the skin and mucous membranes of approximately 30% of the human population. Apart from conventional resistance mechanisms, one of the pathogenic...
Analyzing non-repetitive clinical isolates of MRSA collected from seven provinces and cities in China between 2014 and 2020, it was observed that 53.2% of the MRSA isolates exhibited varying degrees o...
MRSA strains with biofilm production capability warrant increased vigilance....
Methicillin-resistant Staphylococcus aureus (MRSA) infections impose a considerable burden on health systems, yet there is remarkable variation in the global incidence and epidemiology of MRSA. The MA...
Operational definitions of success were defined in consortium meetings to compose a balanced strain collection of successful and sporadic MRSA isolates. Isolates were subjected to antimicrobial suscep...
Heterogeneity of MRSA isolate collections across countries hampered the use of a unified operational definition of success; therefore, country-specific approaches were used to establish the MACOTRA st...
Our results are the strongest yet to associate MRSA antibiotic resistance profiles and antibiotic usage with the incidence of infection and successful clonal spread, which varied by country. Harmonize...