questionsmedicales.fr
Facteurs biologiques
Antigènes
Épitopes
Haptènes
Haptènes : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"name": "Comment diagnostiquer une allergie aux haptènes ?",
"position": 1,
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"text": "Un test cutané ou un dosage des IgE spécifiques peut aider à diagnostiquer."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour les haptènes ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests d'allergie, comme les prick tests, sont couramment utilisés."
}
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{
"@type": "Question",
"name": "Les haptènes peuvent-ils être détectés dans le sang ?",
"position": 3,
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{
"@type": "Question",
"name": "Quels symptômes indiquent une réaction aux haptènes ?",
"position": 4,
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"name": "Les haptènes sont-ils liés à des maladies auto-immunes ?",
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"text": "Oui, certains haptènes peuvent déclencher des réponses auto-immunes."
}
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{
"@type": "Question",
"name": "Quels sont les symptômes d'une allergie aux haptènes ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent démangeaisons, éruptions cutanées et œdème."
}
},
{
"@type": "Question",
"name": "Les haptènes provoquent-ils des symptômes respiratoires ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent provoquer des symptômes comme l'asthme ou la rhinite."
}
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{
"@type": "Question",
"name": "Les haptènes peuvent-ils causer des réactions sévères ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des réactions anaphylactiques peuvent survenir dans certains cas."
}
},
{
"@type": "Question",
"name": "Comment se manifestent les éruptions cutanées dues aux haptènes ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles apparaissent souvent sous forme de rougeurs, démangeaisons et cloques."
}
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{
"@type": "Question",
"name": "Les haptènes peuvent-ils affecter le système digestif ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent provoquer des symptômes gastro-intestinaux comme des nausées."
}
},
{
"@type": "Question",
"name": "Comment prévenir les allergies aux haptènes ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Évitez les substances connues et lisez les étiquettes des produits."
}
},
{
"@type": "Question",
"name": "Les tests cutanés aident-ils à la prévention ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent identifier les haptènes responsables et aider à éviter l'exposition."
}
},
{
"@type": "Question",
"name": "Les vaccinations préviennent-elles les allergies aux haptènes ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les vaccinations ne préviennent pas les allergies aux haptènes."
}
},
{
"@type": "Question",
"name": "Les changements alimentaires aident-ils à prévenir les allergies ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un régime alimentaire équilibré peut réduire le risque d'allergies."
}
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{
"@type": "Question",
"name": "Les mesures d'hygiène préventives sont-elles efficaces ?",
"position": 15,
"acceptedAnswer": {
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"text": "Oui, une bonne hygiène peut réduire l'exposition aux allergènes."
}
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{
"@type": "Question",
"name": "Quel est le traitement principal pour les allergies aux haptènes ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'évitement de l'haptène et l'utilisation d'antihistaminiques sont recommandés."
}
},
{
"@type": "Question",
"name": "Les corticostéroïdes sont-ils efficaces contre les haptènes ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent réduire l'inflammation et les symptômes allergiques."
}
},
{
"@type": "Question",
"name": "Peut-on désensibiliser aux haptènes ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La désensibilisation est possible, mais elle doit être supervisée médicalement."
}
},
{
"@type": "Question",
"name": "Quels médicaments sont utilisés pour les réactions sévères ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'épinéphrine est souvent utilisée pour traiter les réactions anaphylactiques."
}
},
{
"@type": "Question",
"name": "Les traitements naturels aident-ils contre les haptènes ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines approches naturelles peuvent soulager, mais peu de preuves scientifiques existent."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec les haptènes ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme l'anaphylaxie ou des dermatites chroniques peuvent survenir."
}
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{
"@type": "Question",
"name": "Les haptènes peuvent-ils causer des infections ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des infections cutanées peuvent survenir suite à des éruptions allergiques."
}
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"@type": "Question",
"name": "Les haptènes peuvent-ils aggraver des maladies existantes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent exacerber des conditions comme l'asthme ou l'eczéma."
}
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{
"@type": "Question",
"name": "Les complications psychologiques sont-elles possibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'anxiété liée aux allergies peut entraîner des complications psychologiques."
}
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"@type": "Question",
"name": "Les haptènes peuvent-ils affecter la qualité de vie ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les allergies aux haptènes peuvent réduire significativement la qualité de vie."
}
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{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les allergies aux haptènes ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux d'allergies et l'exposition précoce à des allergènes augmentent le risque."
}
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{
"@type": "Question",
"name": "L'âge influence-t-il le risque d'allergies aux haptènes ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les jeunes enfants sont souvent plus sensibles aux allergies aux haptènes."
}
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"@type": "Question",
"name": "Les maladies chroniques augmentent-elles le risque ?",
"position": 28,
"acceptedAnswer": {
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"text": "Oui, des maladies comme l'asthme peuvent augmenter le risque d'allergies."
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"@type": "Question",
"name": "Le mode de vie influence-t-il les allergies aux haptènes ?",
"position": 29,
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"text": "Oui, un mode de vie urbain avec pollution peut augmenter le risque d'allergies."
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"@type": "Question",
"name": "Les allergies alimentaires sont-elles un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
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"text": "Oui, les allergies alimentaires peuvent prédisposer à d'autres allergies, y compris aux haptènes."
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Invasive prenatal evaluation by chromosomal microarray analysis (CMA) and karyotyping might represent an important option in pregnant women, but limited reports have applied CMA and karyotyping of fet...
This retrospective study included all singleton fetuses conceived by ART from January 2015 to December 2021. Anomalies prenatally diagnosed based on karyotyping and CMA were analyzed. Prevalence rates...
In total, 224 subjects were assessed by karyotyping and CMA. In the examined patients, chromosomal and karyotype abnormality rates were 3.57% (8/224) and 8.93% (20/224), respectively. This finding ind...
Prenatal diagnosis including karyotyping and CMA is recommended for fetuses conceived by ART, with or without ultrasound findings....
Karyotype analysis and fluorescence in situ hybridization (FISH) are commonly used for prenatal diagnosis, however they have many disadvantages. Chromosome microarray analysis (CMA) has the potential ...
A total of 3336 samples of amniotic fluid or umbilical cord blood from pregnant women with high-risk indicators at our center in southwest of China from June 2018 to January 2023 were included in the ...
3336 samples divided into 2911 cases with single and 425 cases with multiple high-risk indicators. The aneuploidy and pathogenic/likely pathogenic copy number variations (CNVs) of 2911 cases with sing...
The combined application of CMA and karyotyping were recommended in prenatal diagnosis for providing a scientific and accurate genetic diagnosis and improving the quality of prenatal genetic counselin...
Chromosomal microarray analysis (CMA) is typically performed for investigation of autism using blood DNA. However, blood collection poses significant challenges for autistic children with repetitive b...
The aim of this study was to investigate the incidence of chromosome anomalies in different types of congenital gastrointestinal obstruction and assess pregnancy outcomes of fetuses with congenital ga...
A total of 64 cases with gastrointestinal obstruction between January 2014 and December 2020 were enrolled in this study. They were divided into three groups according to sonographic images. Group A: ...
From January 2014 to December 2020, there were 64 fetus with congenital gastrointestinal obstruction underwent chromosome microarray analysis(CMA), the overall detection rate of CMA testing was 14.1%(...
It is crucial to understand whether the gastrointestinal tract abnormality is isolated or associated to other findings. The risk of chromosomal abnormalities in fetuses with isolated lower gastrointes...
To investigate the genetic burden in fetuses with isolated and severe fetal growth restriction (FGR) using Trio whole-exome sequencing (WES) with a normal chromosomal microarray....
This retrospective study analyzed WES results of singleton fetuses with isolated and severe FGR, whose estimated fetal weight (EFW) was less than the third percentile by Hadlock formula, in a tertiary...
Fifty-one fetuses with isolated and severe FGR and negative CMA results underwent Trio-WES. Of all patients, eight (15.7%) were diagnosed with FGR at its early onset (<32 weeks) and showed pathogenic ...
The present study indicates that Trio-WES can improve effectivity of prenatal diagnoses for isolated and severe FGR in cases with normal CMA results, aiding prenatal genetic counseling and pregnancy m...
Several studies have reported an association between residential surrounding particulate matter with an aerodynamic diameter ≤2.5 μm (PM...
To explore the prenatal clinical utility of chromosome microarray analysis (CMA) for polyhydramnios and evaluate the short and long-term prognosis of fetuses with polyhydramnios....
A total of 600 singleton pregnancies with persistent polyhydramnios from 2014 to 2020 were retrospectively enrolled in this study. All cases received amniocentesis and were subjected to CMA results. A...
The detection rates of either aneuploidy or pathogenic copy number variants in fetuses with non-isolated polyhydramnios were significantly higher than those with isolated polyhydramnios (5.0...
For low-risk pregnancies, invasive prenatal diagnosis of isolated polyhydramnios might be unnecessary. CMA should be considered for fetuses with structural anomalies. In CMA-negative cases, the progno...
To evaluate if the NT value of 2.5 mm ≤ NT < 3.0 mm is an appropriate indication for CMA tests among fetuses with isolated increased NT and NIPT is more suitable instead....
A total of 442 fetuses with NT ≥ 2.5 mm were included, in which 241 fetuses underwent karyotype. CMA tests were then carried out when cytogenic analysis showed normal chromosomes and CNV status was co...
Of the 241 fetuses with NT ≥ 2.5 mm, 47(19.50%) were identified by karyotype with chromosomal abnormalities. Among 194 cases with normal karyotype, CMA unraveled additional CNVs in 16(8.25%) cases, in...
While no pathogenic CNVs were detected in fetuses, chromosomal aneuploidies and genomic imbalance were found to be the major type of abnormalities when NT was 2.5-3.0 mm. Therefore, our data suggested...
Diabetic nephropathy (DN), which is the main cause of renal failure in end-stage renal disease, is becoming a common chronic renal disease worldwide. Mendelian randomization (MR) is a genetic tool tha...
Five DN gene expression datasets were selected from the Gene Expression Omnibus. The robust rank aggregation (RRA) method was used to integrate differentially expressed genes (DEGs) of glomerular samp...
A total of 82 DEGs (53 upregulated and 29 downregulated) were identified through RRA integrated analysis. The enriched Gene Ontology annotations and Kyoto Encyclopedia of Genes and Genomes pathways of...
Our integrated analysis identified novel biomarkers, including MICB and GZMA, which may help further understand the complicated mechanisms of DN and identify new target pathways for intervention....
Fetal hyperechogenic kidneys (HEK) is etiologically a heterogeneous disorder. The aim of this study was to identify the genetic causes of HEK using prenatal chromosomal microarray analysis (CMA) and e...