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Systèmes sanguin et immunitaire
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Granulocytes basophiles
Granulocytes basophiles : Questions médicales fréquentes
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"description": "Comment diagnostiquer une élévation des basophiles ?\nQuels tests sont utilisés pour évaluer les basophiles ?\nLes basophiles peuvent-ils être mesurés par cytométrie ?\nQuels signes indiquent une allergie liée aux basophiles ?\nLes basophiles sont-ils impliqués dans des maladies spécifiques ?",
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"description": "Quels facteurs augmentent le risque d'allergies ?\nLe stress peut-il influencer les basophiles ?\nLes infections peuvent-elles affecter les basophiles ?\nL'environnement joue-t-il un rôle dans les allergies ?\nLes changements hormonaux influencent-ils les basophiles ?",
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"@type": "Question",
"name": "Comment diagnostiquer une élévation des basophiles ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un hémogramme peut révéler une augmentation des basophiles dans le sang."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer les basophiles ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests sanguins spécifiques et des analyses de frottis sanguins sont utilisés."
}
},
{
"@type": "Question",
"name": "Les basophiles peuvent-ils être mesurés par cytométrie ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la cytométrie en flux permet de quantifier les basophiles dans le sang."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une allergie liée aux basophiles ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme des démangeaisons, éruptions cutanées ou œdème peuvent indiquer une allergie."
}
},
{
"@type": "Question",
"name": "Les basophiles sont-ils impliqués dans des maladies spécifiques ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils sont souvent associés à des maladies comme la leucémie myéloïde chronique."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont liés à une augmentation des basophiles ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des démangeaisons, des éruptions cutanées et des réactions allergiques peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les basophiles causent-ils des symptômes respiratoires ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent contribuer à des symptômes comme l'asthme ou la rhinite allergique."
}
},
{
"@type": "Question",
"name": "Comment les basophiles affectent-ils la peau ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent provoquer des éruptions cutanées et des inflammations lors de réactions allergiques."
}
},
{
"@type": "Question",
"name": "Les basophiles sont-ils liés à des symptômes gastro-intestinaux ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des réactions allergiques peuvent entraîner des symptômes comme des nausées ou des vomissements."
}
},
{
"@type": "Question",
"name": "Peut-on avoir des symptômes sans élévation des basophiles ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des symptômes allergiques peuvent survenir sans augmentation significative des basophiles."
}
},
{
"@type": "Question",
"name": "Comment prévenir les allergies liées aux basophiles ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les allergènes connus et suivre un traitement préventif peut aider."
}
},
{
"@type": "Question",
"name": "Les tests allergologiques aident-ils à la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils permettent d'identifier les allergènes et d'éviter les réactions."
}
},
{
"@type": "Question",
"name": "L'immunothérapie est-elle une option préventive ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'immunothérapie peut réduire la sensibilité aux allergènes sur le long terme."
}
},
{
"@type": "Question",
"name": "Comment gérer l'exposition aux allergènes ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les environnements allergènes et utiliser des filtres d'air peut aider."
}
},
{
"@type": "Question",
"name": "Les changements alimentaires peuvent-ils prévenir les allergies ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, éviter certains aliments allergènes peut réduire le risque de réactions."
}
},
{
"@type": "Question",
"name": "Quels traitements sont efficaces contre les allergies liées aux basophiles ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antihistaminiques et les corticostéroïdes sont souvent utilisés pour traiter les allergies."
}
},
{
"@type": "Question",
"name": "Les basophiles peuvent-ils être ciblés par des médicaments ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments immunomodulateurs peuvent réduire l'activité des basophiles."
}
},
{
"@type": "Question",
"name": "Comment traiter une réaction allergique sévère ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'épinéphrine est le traitement d'urgence pour les réactions allergiques sévères."
}
},
{
"@type": "Question",
"name": "Les corticostéroïdes sont-ils efficaces contre les basophiles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils réduisent l'inflammation et l'activité des basophiles dans les allergies."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser des thérapies biologiques pour les basophiles ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines thérapies biologiques ciblent les voies immunitaires impliquant les basophiles."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des basophiles élevés ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des réactions allergiques sévères ou des infections peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les basophiles sont-ils liés à des maladies auto-immunes ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une élévation des basophiles peut être observée dans certaines maladies auto-immunes."
}
},
{
"@type": "Question",
"name": "Les basophiles peuvent-ils affecter la santé cardiovasculaire ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une inflammation chronique liée aux basophiles peut contribuer à des problèmes cardiovasculaires."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'une carence en basophiles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une carence peut affecter la réponse immunitaire, augmentant le risque d'infections."
}
},
{
"@type": "Question",
"name": "Les basophiles peuvent-ils jouer un rôle dans le cancer ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des études suggèrent qu'ils peuvent influencer la progression de certains cancers."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'allergies ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux, l'exposition aux allergènes et le tabagisme augmentent le risque."
}
},
{
"@type": "Question",
"name": "Le stress peut-il influencer les basophiles ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut exacerber les réactions allergiques et affecter les basophiles."
}
},
{
"@type": "Question",
"name": "Les infections peuvent-elles affecter les basophiles ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections peuvent entraîner une augmentation des basophiles dans le sang."
}
},
{
"@type": "Question",
"name": "L'environnement joue-t-il un rôle dans les allergies ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la pollution et les allergènes environnementaux peuvent augmenter le risque d'allergies."
}
},
{
"@type": "Question",
"name": "Les changements hormonaux influencent-ils les basophiles ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des fluctuations hormonales peuvent affecter la réponse immunitaire et les basophiles."
}
}
]
}
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This retrospective study investigated circulating immune cell alteration in patients with myopic retinopathy. Blood test results and demographic and ocular information of 392 myopic patients and 129 e...
Basophilia is a crucial prognostic variable in Ph-chromosome-positive chronic myeloid leukemia (CML). The ectoenzyme CD203c is an activation-linked surface antigen that is expressed specifically on ba...
Recent data suggest basophils can adopt an atypical appearance in myeloid disorders including myeloproliferative neoplasms (MPNs) and myeloproliferative/myelodysplastic disease. We hypothesized that a...
Patients with myeloid neoplasms and control patients with no myeloid disorder diagnosis at a tertiary care centre were identified. Basophil percentage was compared for automated analyser counts (Sysme...
Thirty-one patients with myeloid neoplasms were included: 58% were male, mean age was 70.2 (±20.7) years, 32% had a diagnosis of chronic myeloid leukaemia with the remaining patients divided among var...
Automated analysers underestimate basophil counts in patients with myeloid neoplasms. Manual differential and flow cytometry are recommended for more accurate quantitation and characterization of aber...
An increasing number of human diseases, including allergies, infections, inflammation, and cancer, involve roles for basophils. Traditionally viewed as the rarest leukocytes that are present only in t...
Basophils crucially contribute to allergies and other Th2-driven diseases by rapidly releasing inflammatory and immunomodulatory mediators following high-affinity IgE-receptor crosslinking. Although t...
Histamine released by activated basophils has become an important biomarker and therapeutic target in the development of allergic diseases. To date, several gold nanoparticle (AuNP)-based nanosensors ...
is missing (Short communication)....
In light of the pandemic of spurious penicillin allergy, correct diagnosis of amoxicillin (AX) allergy is of great importance. The diagnosis of immediate hypersensitivity reactions relies on skin test...
To investigate the reliability of the BAT to AX and determining its exact place in the diagnostic algorithm of AX allergy....
BAT for AX was performed in 70 exposed control individuals and 66 patients diagnosed according to the European Academy of Allergy and Clinical Immunology guidelines for AX allergy. Upregulation of bot...
Analyses revealed that 1370 μmol/L and 685 μmol/L were the most discriminative stimulation concentrations for CD63 and CD203c upregulation, respectively, and a diagnostic threshold of 9% for positivit...
BAT with dual analysis of CD63 and CD203c is of poor performance to document AX allergy. The sensitivity is too low to let it occupy a prominent role in the diagnostic algorithm....
Glioblastoma (GBM) is the most frequently diagnosed malignant brain tumor in adults. GBM is usually lethal within 24 months of diagnosis, despite aggressive multimodality treatment. Although it has be...
This study was a retrospective analysis of prospectively maintained databases. Data pertaining to patient-related and tumor-related factors, hemograms, and survival data were obtained from the electro...
All the indices were altered in patients with GBM compared with normal healthy controls. The absolute eosinophil count was higher and the neutrophils/eosinophils ratio was lower in the better prognosi...
The absolute eosinophil count was consistently higher in the better prognosis groups and is likely to be incorporated into prognostic models for GBM....
Oral immunotherapy (OIT) leads to suppression of mast cell and basophil degranulation along with changes in the adaptive immune response....
This study aimed to determine how rapidly these effects occur during OIT and more broadly, the kinetics of basophil and mast cell suppression throughout the course of therapy....
Twenty participants, age 4 to 12 years, were enrolled in a peanut OIT trial and assessed for desensitization and sustained unresponsiveness after 9 months of therapy. Blood was collected 5 times in th...
Twelve of 16 participants that completed the trial were desensitized after OIT, with 9 achieving sustained unresponsiveness after discontinuing OIT for 4 weeks. Basophil hyporesponsiveness, defined by...
Suppression of basophil activation occurs within the first 90 days of peanut OIT, ultimately leading to suppression of signaling through pSYK....