Titre : Culture virale

Culture virale : Questions médicales fréquentes

Termes MeSH sélectionnés :

Brain-Derived Neurotrophic Factor
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"MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Culture virale", "description": "Comment se déroule un test de culture virale ?\nQuels échantillons sont utilisés pour la culture virale ?\nQuels tests complètent la culture virale ?\nCombien de temps prend une culture virale ?\nQuels signes indiquent une infection virale dans une culture ?", "url": "https://questionsmedicales.fr/mesh/D014776?mesh_terms=Brain-Derived+Neurotrophic+Factor&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Culture virale", "description": "Quels symptômes peuvent indiquer une infection virale ?\nLes symptômes varient selon le virus ?\nComment les symptômes évoluent-ils avec une infection virale ?\nLes symptômes sont-ils toujours présents lors d'une culture virale ?\nQuels symptômes nécessitent une culture virale urgente ?", "url": 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risque d'infection virale ?\nLes voyages à l'étranger augmentent-ils le risque d'infection ?", "url": "https://questionsmedicales.fr/mesh/D014776?mesh_terms=Brain-Derived+Neurotrophic+Factor&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment se déroule un test de culture virale ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un échantillon est inoculé sur un milieu de culture pour observer la croissance virale." } }, { "@type": "Question", "name": "Quels échantillons sont utilisés pour la culture virale ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les échantillons peuvent inclure du sang, des sécrétions respiratoires ou des biopsies." } }, { "@type": "Question", "name": "Quels tests complètent la culture virale ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les tests sérologiques et PCR sont souvent utilisés pour confirmer l'infection virale." } }, { "@type": "Question", "name": "Combien de temps prend une culture virale ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "La culture virale peut prendre de quelques jours à plusieurs semaines selon le virus." } }, { "@type": "Question", "name": "Quels signes indiquent une infection virale dans une culture ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'apparition de cytopathies ou de plaques de lyse indique une infection virale." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une infection virale ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, fatigue, toux, douleurs musculaires et éruptions cutanées sont fréquents." } }, { "@type": "Question", "name": "Les symptômes varient selon le virus ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, chaque virus peut provoquer des symptômes spécifiques selon son tropisme." } }, { "@type": "Question", "name": "Comment les symptômes évoluent-ils avec une infection virale ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent s'aggraver ou s'améliorer selon la réponse immunitaire." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours présents lors d'une culture virale ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Pas nécessairement, certains virus peuvent être asymptomatiques lors de la culture." } }, { "@type": "Question", "name": "Quels symptômes nécessitent une culture virale urgente ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes graves comme une détresse respiratoire ou une méningite justifient une culture." } }, { "@type": "Question", "name": "Comment prévenir les infections virales ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Vaccination, hygiène des mains et éviter le contact avec des personnes infectées." } }, { "@type": "Question", "name": "Les vaccins sont-ils efficaces contre tous les virus ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Non, chaque vaccin cible des virus spécifiques et leur efficacité varie." } }, { "@type": "Question", "name": "Quelles mesures d'hygiène sont recommandées ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Se laver les mains régulièrement et désinfecter les surfaces fréquemment touchées." } }, { "@type": "Question", "name": "Les masques aident-ils à prévenir les infections virales ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les masques réduisent la transmission des virus respiratoires." } }, { "@type": "Question", "name": "Les voyages augmentent-ils le risque d'infection virale ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les voyages peuvent exposer à de nouveaux virus et à des épidémies." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour les infections virales ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les antiviraux, les immunoglobulines et les traitements symptomatiques sont utilisés." } }, { "@type": "Question", "name": "La culture virale aide-t-elle à choisir un traitement ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'identifier le virus et de déterminer la sensibilité aux antiviraux." } }, { "@type": "Question", "name": "Les antibiotiques sont-ils efficaces contre les virus ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Non, les antibiotiques ne sont efficaces que contre les infections bactériennes." } }, { "@type": "Question", "name": "Comment les antiviraux agissent-ils ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Ils inhibent la réplication virale ou modulent la réponse immunitaire." } }, { "@type": "Question", "name": "Les traitements sont-ils les mêmes pour tous les virus ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Non, chaque virus peut nécessiter un traitement spécifique selon sa biologie." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une infection virale ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme la pneumonie, la méningite ou des syndromes post-viraux peuvent survenir." } }, { "@type": "Question", "name": "Les complications sont-elles prévisibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être prévisibles selon le virus et l'état de santé du patient." } }, { "@type": "Question", "name": "Comment les complications sont-elles traitées ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement dépend de la complication, allant des soins de soutien à des interventions spécifiques." } }, { "@type": "Question", "name": "Les enfants sont-ils plus à risque de complications ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains virus peuvent entraîner des complications plus graves chez les enfants." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles plus vulnérables aux complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées ont un système immunitaire affaibli, augmentant le risque de complications." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'infection virale ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Un système immunitaire affaibli, le stress, et des conditions de vie insalubres augmentent le risque." } }, { "@type": "Question", "name": "L'âge influence-t-il le risque d'infection virale ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les jeunes enfants et les personnes âgées sont plus susceptibles aux infections virales." } }, { "@type": "Question", "name": "Les maladies chroniques augmentent-elles le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète ou les maladies pulmonaires augmentent le risque d'infection." } }, { "@type": "Question", "name": "Le mode de vie influence-t-il le risque d'infection virale ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque." } }, { "@type": "Question", "name": "Les voyages à l'étranger augmentent-ils le risque d'infection ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, voyager dans des zones endémiques expose à des virus non rencontrés localement." } } ] } ] }

Sources (10000 au total)

Lipid profile in Parkinson's disease: The potential role of brain-derived neurotrophic factor.

Parkinson's disease is a neurodegenerative disease manifested as increased tremor, bradykinesia, rigidity, and postural instability. Brain-derived neurotrophic factor (BDNF) is essential for neurocogn... This was a cross sectional comparative study where PD patients (n = 26) and age-matched healthy controls (n = 27) were recruited. Blood samples were drawn to determine BDNF, glucose, and lipid profile... The linear regression showed that BDNF predicted 11.9 % of TC (p = 0.05), 3.0 % of HDL (p = 0.003), 27.3 % of LDL (p = 0.006), 16.6 % of TriG (p = 0.04), 15.8 % of TC/HDL (p = 0.06), 22.1 % of TC/LDL ... The results demonstrate a relationship of BDNF with lipid profile suggesting the importance of BDNF for lipid metabolism in PD....

Serum brain-derived neurotrophic factor (BDNF) as predictors of childhood neuroblastoma relapse.

Neuroblastoma (NB) is a childhood malignant tumor,50% of high-risk NB children still have recurrence, and the long-term survival rate is very low. NB tumors expressing high levels of BDNF/TrkB are ass... In experiment 1, 87 subjects were enrolled and divided into four groups, neonates group、 children group、adults group and NB patients. The distribution of serum concentration of BDNF by ELISA. In exper... First, we identified that serum BDNF concentration decreased from the newborn to childhood in healthy subjects, while it was relatively high in children(age > 1 year) with NB. In the second phase our ... The aim is to show that BDNF is a predictor of recurrence risk of NB....

Brain-derived neurotrophic factor and neuroimaging in pediatric patients with sickle cell disease.

The risk of neurological complications is increased in children with sickle cell disease (SCD), such as silent cerebral infarction (SCI) and stroke. Brain-Derived Neurotrophic Factor (BDNF) is a nerve... A comparative cross-sectional study was conducted on 40 patients with SCD, recruited from the Hematology Unit, Pediatric Department, Menoufia University Hospital, and 40 healthy children as controls. ... BDNF levels were significantly higher in children with SCD than in controls with a significant relation to TCD findings. There was a statistically significant diagnostic ability of BDNF in the predict... Serum BDNF levels were higher in sickle disease patients who had abnormal transcranial Doppler. BDNF had a significant diagnostic ability in the detection of SCD complications.... Silent stroke is a very serious complication in children with sickle cell disease, so regular follow up should be every six months. BDNF is considered a potential biomarker for stroke risk prediction ...

Stable and efficient expression of human brain-derived neurotrophic factor in tobacco chloroplasts.

Brain-derived neurotrophic factor (BDNF) is an intensively studied neurotrophin that promotes various physiological processes, such as acceleration of cell proliferation and differentiation, and is, t... In this study, an expression vector with a codon-optimized hBDNF gene was constructed and transferred into chloroplasts of tobacco by gene-gun. After three or four rounds of selection with optimal spe... This is the first case report of hBDNF expression by chloroplast transformation in the plant model, providing an additional pathway for the production of chloroplast-expressed therapeutic proteins....

Brain-derived neurotrophic factor in diabetes mellitus: A systematic review and meta-analysis.

Brain-derived neurotrophic factor (BDNF) is a neurotrophic factor expressed in several tissues, including the brain, gut, and pancreas. Activation of the BDNF/TrkB/CREB reduces hepatic gluconeogenesis... In the present study, we aimed at systematically reviewing the literature on the serum and plasma levels of BDNF in DM and its subgroups such as T2DM, DM patients with depression, and patients with re... A comprehensive search was conducted in PubMed, Scopus, and Web of Science. We identified 28 eligible studies and calculated the standardized mean difference (SMD) of outcomes as an effect measure.... The meta-analysis included 2734 patients with DM and 6004 controls. Serum BDNF levels were significantly lower in patients with DM vs. controls (SMD = -1.00, P<0.001). Plasma BDNF levels were not diff... Serum BDNF levels were lower in patients with DM, T2DM, DM with depression, and DM and DR than the controls. Our findings are in line with the hypothesis that decreased BDNF levels might impair glucos...