Titre : Sérum

Sérum : Questions médicales fréquentes

Termes MeSH sélectionnés :

Brain Ischemia
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Sérum : Questions médicales les plus fréquentes", "headline": "Sérum : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Sérum : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-04-14", "dateModified": "2025-04-09", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Sérum" }, "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": "Sang", "url": "https://questionsmedicales.fr/mesh/D001769", "about": { "@type": "MedicalCondition", "name": "Sang", "code": { "@type": "MedicalCode", "code": "D001769", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "A15.145" } } }, "about": { "@type": "MedicalCondition", "name": "Sérum", "alternateName": "Serum", "code": { "@type": "MedicalCode", "code": "D044967", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Yu-Hsien Lai", "url": "https://questionsmedicales.fr/author/Yu-Hsien%20Lai", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97010, Taiwan." } }, { "@type": "Person", "name": "Chih-Hsien Wang", "url": "https://questionsmedicales.fr/author/Chih-Hsien%20Wang", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97010, Taiwan." } }, { "@type": "Person", "name": "Bang-Gee Hsu", "url": "https://questionsmedicales.fr/author/Bang-Gee%20Hsu", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97010, Taiwan." } }, { "@type": "Person", "name": "Yu-Li Lin", "url": "https://questionsmedicales.fr/author/Yu-Li%20Lin", "affiliation": { "@type": "Organization", "name": "Department of Internal Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 97010, Taiwan." } }, { "@type": "Person", "name": "Moyinoluwa Adeniyi", "url": "https://questionsmedicales.fr/author/Moyinoluwa%20Adeniyi", "affiliation": { "@type": "Organization", "name": "Chemistry and Biochemistry Department, Texas Tech University, Lubbock, Texas 79409, United States." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Generative adversarial network-created brain SPECTs of cerebral ischemia are indistinguishable to scans from real patients.", "datePublished": "2022-11-05", "url": "https://questionsmedicales.fr/article/36335166", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1038/s41598-022-23325-3" } }, { "@type": "ScholarlyArticle", "name": "Neural cortical organoids from self-assembling human iPSC as a model to investigate neurotoxicity in brain ischemia.", "datePublished": "2023-01-18", "url": "https://questionsmedicales.fr/article/36655331", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1177/0271678X231152023" } }, { "@type": "ScholarlyArticle", "name": "Pulsed Electromagnetic Fields Protect Against Brain Ischemia by Modulating the Astrocytic Cholinergic Anti-inflammatory Pathway.", "datePublished": "2022-07-13", "url": "https://questionsmedicales.fr/article/35831547", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1007/s10571-022-01251-2" } }, { "@type": "ScholarlyArticle", "name": "LAMP-2A ablation in hippocampal CA1 astrocytes confers cerebroprotection and ameliorates neuronal injury after global brain ischemia.", "datePublished": "2022-09-04", "url": "https://questionsmedicales.fr/article/36059143", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1111/bpa.13114" } }, { "@type": "ScholarlyArticle", "name": "Activated neutrophil-derived exosomes contribute to blood-brain barrier damage and hemorrhagic transformation after cerebral ischemia/reperfusion.", "datePublished": "2023-04-26", "url": "https://questionsmedicales.fr/article/37116559", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.brainres.2023.148374" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Systèmes sanguin et immunitaire", "item": "https://questionsmedicales.fr/mesh/D006424" }, { "@type": "ListItem", "position": 3, "name": "Sang", "item": "https://questionsmedicales.fr/mesh/D001769" }, { "@type": "ListItem", "position": 4, "name": "Sérum", "item": "https://questionsmedicales.fr/mesh/D044967" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Sérum - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Sérum", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-13", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Sérum", "description": "Comment le sérum est-il utilisé pour le diagnostic ?\nQuels tests nécessitent un échantillon de sérum ?\nQu'est-ce qu'une analyse sérique ?\nQuels marqueurs peuvent être détectés dans le sérum ?\nLe sérum peut-il indiquer une infection ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Sérum", "description": "Quels symptômes peuvent être liés à des anomalies du sérum ?\nComment le sérum affecte-t-il l'immunité ?\nDes symptômes peuvent-ils apparaître avec un déséquilibre sérique ?\nLe sérum peut-il révéler des allergies ?\nQuels signes indiquent une infection dans le sérum ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Sérum", "description": "Comment le sérum aide-t-il à prévenir les maladies ?\nLe sérum est-il utilisé dans les vaccins ?\nQuels tests sériques aident à la prévention ?\nLe sérum peut-il prévenir les allergies ?\nComment le sérum contribue-t-il à la santé publique ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Sérum", "description": "Comment le sérum est-il utilisé en thérapie ?\nQu'est-ce que la thérapie par sérum ?\nLe sérum peut-il être utilisé pour des vaccins ?\nQuels traitements impliquent des anticorps sériques ?\nLe sérum peut-il aider à la guérison des infections ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Sérum", "description": "Quelles complications peuvent survenir avec des transfusions de sérum ?\nLe sérum peut-il causer des effets secondaires ?\nQuelles sont les complications d'un déséquilibre sérique ?\nLe sérum peut-il provoquer des infections ?\nQuelles complications peuvent résulter d'une thérapie par sérum ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Sérum", "description": "Quels facteurs augmentent le risque d'infection par sérum ?\nLe vieillissement est-il un facteur de risque pour le sérum ?\nLes maladies chroniques influencent-elles le sérum ?\nLe mode de vie affecte-t-il la qualité du sérum ?\nLes infections antérieures influencent-elles le sérum ?", "url": "https://questionsmedicales.fr/mesh/D044967?mesh_terms=Brain+Ischemia&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment le sérum est-il utilisé pour le diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le sérum est analysé pour détecter des marqueurs biologiques et des anticorps." } }, { "@type": "Question", "name": "Quels tests nécessitent un échantillon de sérum ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests sérologiques, biochimiques et hormonaux requièrent souvent du sérum." } }, { "@type": "Question", "name": "Qu'est-ce qu'une analyse sérique ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "C'est un test qui examine les composants du sérum pour évaluer la santé." } }, { "@type": "Question", "name": "Quels marqueurs peuvent être détectés dans le sérum ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "On peut détecter des enzymes, des hormones, et des anticorps spécifiques." } }, { "@type": "Question", "name": "Le sérum peut-il indiquer une infection ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la présence d'anticorps spécifiques dans le sérum peut indiquer une infection." } }, { "@type": "Question", "name": "Quels symptômes peuvent être liés à des anomalies du sérum ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des anomalies peuvent entraîner fatigue, douleurs, ou signes d'infection." } }, { "@type": "Question", "name": "Comment le sérum affecte-t-il l'immunité ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Le sérum contient des anticorps qui aident à combattre les infections." } }, { "@type": "Question", "name": "Des symptômes peuvent-ils apparaître avec un déséquilibre sérique ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un déséquilibre peut causer des symptômes comme des douleurs musculaires." } }, { "@type": "Question", "name": "Le sérum peut-il révéler des allergies ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests sériques peuvent détecter des anticorps liés aux allergies." } }, { "@type": "Question", "name": "Quels signes indiquent une infection dans le sérum ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Une élévation des globules blancs et des protéines spécifiques peut indiquer une infection." } }, { "@type": "Question", "name": "Comment le sérum aide-t-il à prévenir les maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Le sérum contient des anticorps qui protègent contre certaines infections." } }, { "@type": "Question", "name": "Le sérum est-il utilisé dans les vaccins ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le sérum est essentiel pour la formulation de nombreux vaccins." } }, { "@type": "Question", "name": "Quels tests sériques aident à la prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les tests sériques pour les anticorps peuvent aider à identifier les risques d'infection." } }, { "@type": "Question", "name": "Le sérum peut-il prévenir les allergies ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Non, mais des tests sériques peuvent aider à identifier les allergènes." } }, { "@type": "Question", "name": "Comment le sérum contribue-t-il à la santé publique ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Le sérum est utilisé pour surveiller les épidémies et évaluer l'immunité de la population." } }, { "@type": "Question", "name": "Comment le sérum est-il utilisé en thérapie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le sérum peut être administré pour traiter des maladies auto-immunes ou des infections." } }, { "@type": "Question", "name": "Qu'est-ce que la thérapie par sérum ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "C'est l'utilisation de sérum pour traiter des maladies, souvent par transfusion." } }, { "@type": "Question", "name": "Le sérum peut-il être utilisé pour des vaccins ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le sérum est utilisé pour produire des vaccins en isolant des anticorps." } }, { "@type": "Question", "name": "Quels traitements impliquent des anticorps sériques ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements par anticorps monoclonaux utilisent des anticorps dérivés du sérum." } }, { "@type": "Question", "name": "Le sérum peut-il aider à la guérison des infections ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le sérum riche en anticorps peut aider à combattre certaines infections." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des transfusions de sérum ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des réactions allergiques, des infections ou des surcharges circulatoires peuvent survenir." } }, { "@type": "Question", "name": "Le sérum peut-il causer des effets secondaires ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des effets secondaires comme des réactions cutanées peuvent se produire." } }, { "@type": "Question", "name": "Quelles sont les complications d'un déséquilibre sérique ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un déséquilibre peut entraîner des problèmes cardiaques, neurologiques ou rénaux." } }, { "@type": "Question", "name": "Le sérum peut-il provoquer des infections ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, si le sérum n'est pas correctement traité, il peut transmettre des infections." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter d'une thérapie par sérum ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des réactions immunitaires ou des infections peuvent survenir." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'infection par sérum ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Un système immunitaire affaibli ou des transfusions non sécurisées augmentent le risque." } }, { "@type": "Question", "name": "Le vieillissement est-il un facteur de risque pour le sérum ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le vieillissement peut affecter la composition et l'efficacité du sérum." } }, { "@type": "Question", "name": "Les maladies chroniques influencent-elles le sérum ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète peuvent altérer la composition du sérum." } }, { "@type": "Question", "name": "Le mode de vie affecte-t-il la qualité du sérum ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une mauvaise alimentation et le tabagisme peuvent altérer la qualité du sérum." } }, { "@type": "Question", "name": "Les infections antérieures influencent-elles le sérum ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des infections passées peuvent modifier la réponse immunitaire et le sérum." } } ] } ] }

Sources (10000 au total)

Pulsed Electromagnetic Fields Protect Against Brain Ischemia by Modulating the Astrocytic Cholinergic Anti-inflammatory Pathway.

Neuroinflammation is one of the most important pathological processes following brain ischemia. Pulsed electromagnetic fields (PEMFs) protect against brain ischemia, but their role in regulating neuro...

Activated neutrophil-derived exosomes contribute to blood-brain barrier damage and hemorrhagic transformation after cerebral ischemia/reperfusion.

Hemorrhagic transformation (HT) caused by blood-brain barrier (BBB) damage is closely correlated with the poor prognosis of ischemic stroke. Neutrophils are proven to mediate BBB injury after ischemic... A tMCAO-HT model was constructed to assess neutrophil infiltration and its co-localization with brain microvascular endothelial cells (BMEC). After using quiet (Q-Neu) and activated neutrophil (A-Neu)... Different degrees of cerebral hemorrhage were observed in the tMCAO-HT model. The expression of the neutrophil marker Ly6G was significantly increased in tMCAO-HT model compared to the sham group, and... Neutrophils are abnormally recruited in HT after ischemic stroke, and are associated with cerebral hemorrhage. In vitro, A-Neu-derived exosomes facilitate BBB injury, which may be accomplished by exos...

Brain-targeted heptapeptide-loaded exosomes attenuated ischemia-reperfusion injury by promoting the transfer of healthy mitochondria from astrocytes to neurons.

The exchange of mitochondria reportedly plays an important role in cell-cell communication in the central nervous system (CNS). The transfer of fragmented and dysfunctional astrocytic mitochondria int... In this study, we prepared macrophage-derived exosomes laden with heptapeptide (Hep) as a dynamin-related protein-1 (Drp1)-fission 1 (Fis1) peptide inhibitor P110 to alleviate cerebral ischemia-reperf... The results demonstrated that Hep-loaded macrophage-derived exosomes (EXO-Hep) reduced mitochondrial damage in astrocytes by inhibiting the Drp1/Fis1 interaction after ischemia-reperfusion, ensuring t... EXO-Hep significantly mitigated ischemic injury in a model of transient middle cerebral artery occlusion (tMCAO) by reducing the infarct area and improving neurological performance during the process ...

Whole-brain CT Perfusion at Admission and During Delayed Time-window Detects the Delayed Cerebral Ischemia in Patients with Aneurysmal Subarachnoid Hemorrhage.

To evaluate the utility of computed tomography perfusion (CTP) both at admission and during delayed cerebral ischemia time-window (DCITW) in the detection of delayed cerebral ischemia (DCI) and the ch... Eighty patients underwent CTP at admission and during DCITW. The mean and extreme values of all CTP parameters at admission and during DCITW were compared between the DCI group and non-DCI group, and ... With the exception of cerebral blood volume (P=0.295, admission; P=0.682, DCITW), there were significant differences in the mean quantitative CTP parameters between DCI and non-DCI patients both at ad... Whole-brain CTP can predict the occurrence of DCI at admission and diagnose DCI during DCITW. The extreme quantitative parameters and qualitative color-coded perfusion maps can better reflect the perf...

Leucine-Rich Alpha-2-Glycoprotein 1 is a Systemic Biomarker of Early Brain Injury and Delayed Cerebral Ischemia After Subarachnoid Hemorrhage.

After subarachnoid hemorrhage (SAH), early brain injury (EBI) and delayed cerebral ischemia (DCI) lead to poor outcomes. Discovery of biomarkers indicative of disease severity and predictive of DCI is... We performed untargeted proteomics using mass spectrometry in plasma samples collected at < 48 h of SAH in two independent discovery cohorts (n = 27 and n = 45) and identified LRG1 as a biomarker for ... Untargeted proteomics revealed higher plasma LRG1 levels across EBI severity and DCI in both discovery cohorts. In the validation cohort, the levels of LRG1 were higher in the DCI group compared with ... Plasma LRG1 is a biomarker for EBI, DCI, and functional outcomes after SAH. Further studies to elucidate the role of LRG1 in the pathophysiology of SAH are needed....

Higher Levels of Admission N-Terminal Pro-brain Natriuretic Peptide are Associated with Delayed Cerebral Ischemia Following Aneurysmal Subarachnoid Hemorrhage.

Delayed cerebral ischemia (DCI) greatly influences the prognosis of patients with aneurysmal subarachnoid hemorrhage (aSAH). We aimed to determine whether higher levels of admission N-terminal pro-bra... We retrospectively reviewed consecutive patients with aSAH between January 2018 and April 2021 in our department. Patients with admission NT-pro BNP were included for analysis. The associations betwee... A total of 415 patients with aSAH were included, among whom DCI occurred in 53 (12.8%). The admission NT-pro BNP levels were positively correlated with the cardiac troponin T levels and were significa... Higher admission levels of NT-pro BNP correlated with neurogenic cardiac injury and predicted the occurrence of DCI in patients with aSAH. A combination of the modified Fisher scale and admission NT-p...