Titre : Immunoglobuline A sécrétoire

Immunoglobuline A sécrétoire : Questions médicales fréquentes

Termes MeSH sélectionnés :

Early Detection of Cancer
{ "@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": "A Rare Case of Renal Malakoplakia Incidentally Detected on 18F-FDG PET/CT in a Patient With Concomitant Breast Cancer and Lymphoma.", "datePublished": "2024-06-03", "url": "https://questionsmedicales.fr/article/38861402", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1097/RLU.0000000000005310" } }, { "@type": "ScholarlyArticle", "name": "Comparison of breast fine-needle aspiration cytology and tissue sampling for high-throughput proteomic analysis and cancer biomarker detection.", "datePublished": "2024-05-30", "url": "https://questionsmedicales.fr/article/38815563", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1159/000539478" } }, { "@type": "ScholarlyArticle", "name": "The Impact of Prostate Volume on Prostate Cancer Detection: Comparing Magnetic Resonance Imaging with Transrectal Ultrasound in Biopsy-naïve Men.", "datePublished": "2024-04-22", "url": "https://questionsmedicales.fr/article/38694877", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.euros.2024.04.001" } }, { "@type": "ScholarlyArticle", "name": "Human epididymal protein 4 and its combined detection show good diagnostic value in lung cancer: A retrospective study.", "datePublished": "2024-04-15", "url": "https://questionsmedicales.fr/article/38619974", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1177/03936155241244802" } }, { "@type": "ScholarlyArticle", "name": "Enhancing Colorectal Cancer Tumor Bud Detection Using Deep Learning from Routine H&E-Stained Slides.", "datePublished": "2024-04-03", "url": "https://questionsmedicales.fr/article/38752165", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1117/12.3006796" } } ], "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": "2025-05-14", "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=Early+Detection+of+Cancer&page=1000#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=Early+Detection+of+Cancer&page=1000#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=Early+Detection+of+Cancer&page=1000#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=Early+Detection+of+Cancer&page=1000#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=Early+Detection+of+Cancer&page=1000#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=Early+Detection+of+Cancer&page=1000#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." } } ] } ] }

Sources (10000 au total)

Comparison of breast fine-needle aspiration cytology and tissue sampling for high-throughput proteomic analysis and cancer biomarker detection.

Fine-needle aspiration cytology (FNAC) specimens are widely utilized for the diagnosis and molecular testing of various cancers. We performed a comparative proteomic analysis of three different sample... High-throughput proteomic analysis was conducted on matched FNAC, CNB, and surgical resection tissue samples obtained from breast cancer patients. The protein identification, including currently estab... Compared to tissue samples, FNAC testing revealed a comparable number of proteins (7,179 in FNAC; 7,196 in CNB; 7,190 in resection samples). Around 85% of proteins were mutually identified in all samp... FNAC is suitable for high-throughput proteomic analysis, in addition to an emerging source that could be used to identify and quantify novel cancer biomarkers....

The Impact of Prostate Volume on Prostate Cancer Detection: Comparing Magnetic Resonance Imaging with Transrectal Ultrasound in Biopsy-naïve Men.

This study aimed to determine the difference in prostate volume (PV) derived from transrectal ultrasound (TRUS) and multiparametric magnetic resonance imaging (mpMRI), and to further investigate the r... Patients who underwent an initial prostate biopsy within 3 mo after mpMRI between January 2016 and December 2021 were analyzed retrospectively. The sensitivity, specificity, positive predictive value ... The median prostate-specific antigen level of 875 patients was 9.79 (interquartile range [IQR]: 7.09-13.50) ng/ml. The median mpMRI-PV and TRUS-PV were 41.92 (IQR: 29.29-60.73) and 41.04 (IQR: 29.24-5... TRUS-PV and MRI-PV exhibited a strong linear correlation and reached sufficient agreement. The efficiency of TRUS-PSAD and mpMRI-PSAD for PCa detection was comparable. TRUS could be used for PV estima... In this work, prostate volume (PV) derived from transrectal ultrasound (TRUS) exhibited a strong linear correlation with the PV derived from multiparametric magnetic resonance imaging (mpMRI). The eff...

Human epididymal protein 4 and its combined detection show good diagnostic value in lung cancer: A retrospective study.

This study aimed to assess the diagnostic value of human epididymal protein 4 (HE4), a potential novel biomarker for lung cancer, and its combined detection with five other conventional biomarkers in ... In this retrospective study, 115 lung cancer patients, 50 patients with benign pulmonary disease, and 50 healthy controls were included. Serum HE4, progastrin-releasing peptide (ProGRP), squamous cell... All six biomarkers showed significantly elevated levels in the lung cancer group compared to both benign pulmonary disease and control groups (... HE4 and its combined detection held substantial clinical significance in the diagnosis of lung cancer and its histologic subtyping, especially for lung adenocarcinoma and lung squamous cell carcinoma....

Pancreatic cancer detection with dual-energy CT: diagnostic performance of 40 keV and 70 keV virtual monoenergetic images.

To compare the diagnostic performance of 40 keV and 70 keV virtual monoenergetic images (VMIs) generated from dual-energy CT in the detection of pancreatic cancer.... This retrospective study included patients who underwent pancreatic protocol dual-energy CT from January 2019 to August 2022. Four radiologists (1-11 years of experience), who were blinded to the fina... Overall, 137 patients (median age, 71 years; interquartile range, 63-78 years; 77 men) were included. Among them, 62 patients (45%) had pathologically proven pancreatic cancer. The 40 keV VMIs had hig... The 40 keV VMIs showed better diagnostic performance in diagnosing pancreatic cancer than the 70 keV VMIs, along with higher reader confidence....

Low-abundance proteins-based label-free SERS approach for high precision detection of liver cancer with different stages.

Surface-enhanced Raman scattering (SERS) technology have unique advantages of rapid, simple, and highly sensitive in the detection of serum, it can be used for the detection of liver cancer. However, ... Serum samples were collected from 60 patients with liver cancer (27 patients with stage T1 and T2 liver cancer, 33 patients with stage T3 and T4 liver cancer) and 40 healthy volunteers. Herein, immuno... The experimental results show that the serum LAPs SERS detection combined with multivariate statistical algorithms can be used for effectively distinguishing liver cancer patients from healthy volunte...