questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Globulines
Sérum-globulines
Immunoglobulines
Anticorps
Isotypes des immunoglobulines
Immunoglobuline A
Immunoglobuline A sécrétoire
Immunoglobuline A sécrétoire : Questions médicales fréquentes
Termes MeSH sélectionnés :
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Immunoglobuline A sécrétoire : Questions médicales les plus fréquentes",
"headline": "Immunoglobuline A sécrétoire : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Immunoglobuline A sécrétoire : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-04-12",
"dateModified": "2025-04-07",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Immunoglobuline A sécrétoire"
},
"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": "Immunoglobuline A",
"url": "https://questionsmedicales.fr/mesh/D007070",
"about": {
"@type": "MedicalCondition",
"name": "Immunoglobuline A",
"code": {
"@type": "MedicalCode",
"code": "D007070",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "D12.776.377.715.548.114.619.026"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Immunoglobuline A sécrétoire",
"alternateName": "Immunoglobulin A, Secretory",
"code": {
"@type": "MedicalCode",
"code": "D007071",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Sonya Kumar Bharathkar",
"url": "https://questionsmedicales.fr/author/Sonya%20Kumar%20Bharathkar",
"affiliation": {
"@type": "Organization",
"name": "Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, United States."
}
},
{
"@type": "Person",
"name": "Beth M Stadtmueller",
"url": "https://questionsmedicales.fr/author/Beth%20M%20Stadtmueller",
"affiliation": {
"@type": "Organization",
"name": "Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, United States."
}
},
{
"@type": "Person",
"name": "Georgy A Nevinsky",
"url": "https://questionsmedicales.fr/author/Georgy%20A%20Nevinsky",
"affiliation": {
"@type": "Organization",
"name": "Institute of Chemical Biology and Fundamental Medicine, SD of Russian Academy of Sciences, 8 Lavrentiev Ave., Novosibirsk 630090, Russia. Electronic address: nevinsky@niboch.nsc.ru."
}
},
{
"@type": "Person",
"name": "Nikit Kumar",
"url": "https://questionsmedicales.fr/author/Nikit%20Kumar",
"affiliation": {
"@type": "Organization",
"name": "Department of Structural Biology, Genentech, Inc., South San Francisco, CA, USA 94080."
}
},
{
"@type": "Person",
"name": "Christopher P Arthur",
"url": "https://questionsmedicales.fr/author/Christopher%20P%20Arthur",
"affiliation": {
"@type": "Organization",
"name": "Department of Structural Biology, Genentech, Inc., South San Francisco, CA, USA 94080."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Development of a workflow for the detection of vancomycin-resistant Enterococcus faecium and Enterococcus faecalis from rectal swabs using the spectra VRE medium.",
"datePublished": "2023-01-06",
"url": "https://questionsmedicales.fr/article/36609280",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12941-023-00552-8"
}
},
{
"@type": "ScholarlyArticle",
"name": "In vitro activity and adaptation strategies of eravacycline in clinical Enterococcus faecium isolates from China.",
"datePublished": "2022-07-27",
"url": "https://questionsmedicales.fr/article/35896611",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1038/s41429-022-00546-2"
}
},
{
"@type": "ScholarlyArticle",
"name": "Anticancer Effect of Enterococcus faecium, Isolated from Vaginal Fluid, on Ovarian Cancer Cells",
"datePublished": "2023-07-01",
"url": "https://questionsmedicales.fr/article/37525437",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.52547/ibj.3846"
}
},
{
"@type": "ScholarlyArticle",
"name": "Efficacy of teicoplanin in bloodstream infections caused by Enterococcus faecium: posthoc analysis of a nationwide surveillance.",
"datePublished": "2022-06-23",
"url": "https://questionsmedicales.fr/article/35752376",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.ijid.2022.06.029"
}
},
{
"@type": "ScholarlyArticle",
"name": "Dissemination of Quinupristin-Dalfopristin and Linezolid resistance genes among hospital environmental and healthy volunteer fecal isolates of Enterococcus faecalis and Enterococcus faecium.",
"datePublished": "2022-06-18",
"url": "https://questionsmedicales.fr/article/35716285",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1007/s11033-022-07627-3"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Acides aminés, peptides et protéines",
"item": "https://questionsmedicales.fr/mesh/D000602"
},
{
"@type": "ListItem",
"position": 3,
"name": "Protéines",
"item": "https://questionsmedicales.fr/mesh/D011506"
},
{
"@type": "ListItem",
"position": 4,
"name": "Globulines",
"item": "https://questionsmedicales.fr/mesh/D005916"
},
{
"@type": "ListItem",
"position": 5,
"name": "Sérum-globulines",
"item": "https://questionsmedicales.fr/mesh/D012712"
},
{
"@type": "ListItem",
"position": 6,
"name": "Immunoglobulines",
"item": "https://questionsmedicales.fr/mesh/D007136"
},
{
"@type": "ListItem",
"position": 7,
"name": "Anticorps",
"item": "https://questionsmedicales.fr/mesh/D000906"
},
{
"@type": "ListItem",
"position": 8,
"name": "Isotypes des immunoglobulines",
"item": "https://questionsmedicales.fr/mesh/D007132"
},
{
"@type": "ListItem",
"position": 9,
"name": "Immunoglobuline A",
"item": "https://questionsmedicales.fr/mesh/D007070"
},
{
"@type": "ListItem",
"position": 10,
"name": "Immunoglobuline A sécrétoire",
"item": "https://questionsmedicales.fr/mesh/D007071"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Immunoglobuline A sécrétoire - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Immunoglobuline A sécrétoire",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-12",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Immunoglobuline A sécrétoire",
"description": "Comment mesurer l'IgA sécrétoire ?\nQuels tests diagnostiques sont utilisés ?\nL'IgA sécrétoire est-elle liée à des maladies ?\nQuels symptômes peuvent indiquer un déficit d'IgA ?\nComment évaluer la fonction immunitaire ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Immunoglobuline A sécrétoire",
"description": "Quels symptômes sont associés à un déficit d'IgA ?\nL'IgA sécrétoire affecte-t-elle la digestion ?\nPeut-on avoir des symptômes respiratoires ?\nLes allergies sont-elles liées à l'IgA ?\nComment l'IgA sécrétoire influence-t-elle l'immunité ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Immunoglobuline A sécrétoire",
"description": "Comment prévenir les infections respiratoires ?\nL'alimentation influence-t-elle l'IgA ?\nLe stress affecte-t-il l'IgA ?\nLes probiotiques aident-ils l'IgA ?\nLes habitudes de vie influencent-elles l'IgA ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Immunoglobuline A sécrétoire",
"description": "Comment traiter un déficit d'IgA ?\nDes suppléments d'IgA existent-ils ?\nLes vaccins sont-ils efficaces ?\nComment prévenir les infections ?\nY a-t-il des traitements alternatifs ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Immunoglobuline A sécrétoire",
"description": "Quelles complications peuvent survenir avec un déficit d'IgA ?\nLe déficit d'IgA augmente-t-il le risque d'infections ?\nY a-t-il un lien avec les maladies auto-immunes ?\nLes allergies peuvent-elles s'aggraver ?\nComment gérer les complications ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Immunoglobuline A sécrétoire",
"description": "Quels sont les facteurs de risque d'un déficit d'IgA ?\nL'âge influence-t-il l'IgA sécrétoire ?\nLe sexe joue-t-il un rôle ?\nLes infections virales affectent-elles l'IgA ?\nLe mode de vie influence-t-il l'IgA ?",
"url": "https://questionsmedicales.fr/mesh/D007071?mesh_terms=Enterococcus+faecium&page=2#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment mesurer l'IgA sécrétoire ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IgA sécrétoire est mesurée par des tests d'immunoessai sur des échantillons de mucus ou de salive."
}
},
{
"@type": "Question",
"name": "Quels tests diagnostiques sont utilisés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests sérologiques et des analyses de fluides corporels sont utilisés pour évaluer l'IgA sécrétoire."
}
},
{
"@type": "Question",
"name": "L'IgA sécrétoire est-elle liée à des maladies ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des niveaux anormaux d'IgA sécrétoire peuvent indiquer des maladies auto-immunes ou des infections."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent indiquer un déficit d'IgA ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections récurrentes des voies respiratoires et digestives peuvent signaler un déficit d'IgA."
}
},
{
"@type": "Question",
"name": "Comment évaluer la fonction immunitaire ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests d'anticorps spécifiques et des évaluations cliniques sont utilisés pour évaluer la fonction immunitaire."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont associés à un déficit d'IgA ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent des infections fréquentes, des allergies et des problèmes digestifs."
}
},
{
"@type": "Question",
"name": "L'IgA sécrétoire affecte-t-elle la digestion ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un faible niveau d'IgA sécrétoire peut entraîner des troubles digestifs et des infections intestinales."
}
},
{
"@type": "Question",
"name": "Peut-on avoir des symptômes respiratoires ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un déficit d'IgA sécrétoire peut provoquer des infections respiratoires fréquentes."
}
},
{
"@type": "Question",
"name": "Les allergies sont-elles liées à l'IgA ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un déséquilibre d'IgA sécrétoire peut contribuer à des réactions allergiques."
}
},
{
"@type": "Question",
"name": "Comment l'IgA sécrétoire influence-t-elle l'immunité ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IgA sécrétoire joue un rôle clé dans la protection des muqueuses contre les agents pathogènes."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections respiratoires ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hygiène, éviter les foules et se faire vacciner sont essentiels."
}
},
{
"@type": "Question",
"name": "L'alimentation influence-t-elle l'IgA ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée riche en nutriments peut soutenir la production d'IgA sécrétoire."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il l'IgA ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut diminuer les niveaux d'IgA sécrétoire et affaiblir l'immunité."
}
},
{
"@type": "Question",
"name": "Les probiotiques aident-ils l'IgA ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les probiotiques peuvent aider à maintenir un équilibre immunitaire et soutenir l'IgA."
}
},
{
"@type": "Question",
"name": "Les habitudes de vie influencent-elles l'IgA ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des habitudes de vie saines, comme l'exercice régulier, peuvent améliorer la fonction immunitaire."
}
},
{
"@type": "Question",
"name": "Comment traiter un déficit d'IgA ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut des antibiotiques pour les infections et des immunoglobulines si nécessaire."
}
},
{
"@type": "Question",
"name": "Des suppléments d'IgA existent-ils ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de suppléments d'IgA sécrétoire disponibles sur le marché pour le traitement."
}
},
{
"@type": "Question",
"name": "Les vaccins sont-ils efficaces ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vaccins peuvent être moins efficaces chez les personnes avec un déficit d'IgA sécrétoire."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne hygiène, des vaccinations et un suivi médical régulier aident à prévenir les infections."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements alternatifs ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des traitements alternatifs comme les probiotiques peuvent aider à renforcer l'immunité."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec un déficit d'IgA ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des infections récurrentes, des allergies et des maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "Le déficit d'IgA augmente-t-il le risque d'infections ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes avec un déficit d'IgA sont plus susceptibles de développer des infections fréquentes."
}
},
{
"@type": "Question",
"name": "Y a-t-il un lien avec les maladies auto-immunes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un déficit d'IgA est associé à un risque accru de maladies auto-immunes comme la maladie cœliaque."
}
},
{
"@type": "Question",
"name": "Les allergies peuvent-elles s'aggraver ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes avec un déficit d'IgA peuvent développer des allergies plus sévères."
}
},
{
"@type": "Question",
"name": "Comment gérer les complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion des complications nécessite un suivi médical régulier et un traitement approprié."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'un déficit d'IgA ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des antécédents familiaux, des infections fréquentes et des maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "L'âge influence-t-il l'IgA sécrétoire ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les niveaux d'IgA sécrétoire peuvent varier avec l'âge, souvent diminuant chez les personnes âgées."
}
},
{
"@type": "Question",
"name": "Le sexe joue-t-il un rôle ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des études montrent que les hommes peuvent être plus susceptibles d'avoir un déficit d'IgA."
}
},
{
"@type": "Question",
"name": "Les infections virales affectent-elles l'IgA ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections virales peuvent temporairement réduire les niveaux d'IgA sécrétoire."
}
},
{
"@type": "Question",
"name": "Le mode de vie influence-t-il l'IgA ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sain avec une bonne nutrition et de l'exercice peut soutenir l'IgA sécrétoire."
}
}
]
}
]
}
Spectra™ VRE agar (Remel, Lenexa, KS) is a chromogenic agar that is FDA approved for screening patients for VRE colonization. The package insert recommends confirming isolates with identification and ...
Our laboratory sought to develop a workflow to optimize the use of the medium....
We plated 3,815 rectal swabs to the Spectra VRE agar and compared results to traditional identification and susceptibility testing....
Dark blue or purple colonies on the agar demonstrated a sensitivity of 98% and specificity of 85% for detection of VRE faecium, but light blue colonies were significantly less specific for E. faecalis...
We streamlined our workflow to accept dark blue or purple colonies as VRE faecium and plan to perform additional testing only on light blue colonies. Interestingly, higher quantity of growth increased...
Eravacycline (Erava) is a synthetic fluorocycline with potent antimicrobial activity against a wide range of Gram-positive bacteria. This study aimed to investigate the in vitro antimicrobial activity...
Given the association between cervicovaginal microbiota and OVC, we investigated the effect of Enterococcus faecium conditioned medium (CM) on OVC (Caov-4) cells....
CM was obtained from the bacterium E. faecium isolated from the vagina of healthy women. The Caov-4 cells were treated with varying concentrations of CM that comprised co-cultured bacteria with 0.2, 0...
The CM at a concentration of 0.5 OD from the cultured bacteria and incubation time of 48 h showed the highest negative effect on the viability of cancer cells. The CM treatment increased DNA fragmenta...
CM of human-derived E. faecium could have an anticancer effect on OVC cells in a concentration- and time-dependent manner. This study demonstrated that E. faecium secretes anticancer substances into t...
Vancomycin and teicoplanin are glycopeptides with activity against Enterococcus faecium. However, studies on the clinical efficacy of teicoplanin are limited. This study aimed to compare the therapeut...
We identified patients with bloodstream infections prospectively from July 2015 to December 2016 in 14 hospitals as part of a multicenter nationwide surveillance. Patients with E. faecium monomicrobia...
Among 97 patients with E. faecium bacteremia, 33 (34%) were treated with teicoplanin and 64 (66%) with vancomycin. There were no significant differences in 30-day in-hospital mortality (18.2% vs 26.6%...
We found no significant differences in the clinical outcomes. These findings suggest teicoplanin as a useful alternative to vancomycin....
Streptogramins and linezolid are important in the treatment of infections caused by vancomycin-resistant enterococci....
Then, we aimed to evaluate the resistance rates against these drugs and the prevalence of genes involved in hospital environmental and fecal normal-flora isolates of Enterococcus faecalis and Enteroco...
The strains were isolated from the stool samples and hospital environments by culturing on M-Enterococcus (ME) agar, and identified by phenotypic and genotypic microbiological tests. The disk agar dif...
High-level streptogramin resistance rate and high prevalence of resistance genes in enterococci isolated from the stool of healthy persons and the hospital environment indicates the importance of poss...
Multidrug-resistant (MDR) bacteria have become a growing threat to public health. The gram-positive Enterococcus faecium is classified by WHO as a high-priority pathogen among the global priority list...
Enterococcus faecium is a major species in infections by vancomycin-resistant enterococci (VRE). New variants of the pathogen have emerged and become dominant in healthcare settings. Two such examples...
Antimicrobial resistance (AMR) of bacterial pathogens, including enterococci, is a global concern, and plasmids are crucial for spreading and maintaining AMR genes. Plasmids with linear topology were ...
Vancomycin-resistant enterococci (VRE) are important pathogens categorized as high-priority bacteria in the Global Priority List of Antibiotic-Resistant Bacteria to Guide Research, Discovery, and Deve...
A cross-sectional study was conducted during a two-month periods among hospitalized patients in 2017. Rectal swabs were collected from patients admitted to medical and surgical wards in an urban terti...
Sequencing analysis revealed that these strains harbouring numerous resistance genes to glycopeptides (vanC[100%], vex3[100%], vex2[83,33%] and vanG[16,66%]), macrolides, lincosamides, sterptogramine ...
The study reveals the genetic diversity and high pathogenicity of multidrug-resistant Enterococcus faecalis and faecium circulating among hospitalized patients. It underlines the necessity to implemen...
The family of ATP-binding cassette F proteins (ABC-F) is mainly made up of cytosolic proteins involved in regulating protein synthesis, and they are often part of a mechanism that confers resistance t...