{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Système Duffy : Questions médicales les plus fréquentes",
"headline": "Système Duffy : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Système Duffy : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-07-28",
"dateModified": "2025-04-24",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Système Duffy"
},
"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": "Antigènes de groupe sanguin",
"url": "https://questionsmedicales.fr/mesh/D001789",
"about": {
"@type": "MedicalCondition",
"name": "Antigènes de groupe sanguin",
"code": {
"@type": "MedicalCode",
"code": "D001789",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "D23.050.705.230"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "Système Duffy",
"alternateName": "Duffy Blood-Group System",
"code": {
"@type": "MedicalCode",
"code": "D004375",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Eugenia Lo",
"url": "https://questionsmedicales.fr/author/Eugenia%20Lo",
"affiliation": {
"@type": "Organization",
"name": "Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA."
}
},
{
"@type": "Person",
"name": "Delenasaw Yewhalaw",
"url": "https://questionsmedicales.fr/author/Delenasaw%20Yewhalaw",
"affiliation": {
"@type": "Organization",
"name": "Tropical and Infectious Diseases Research Center, Jimma University, Jimma, Ethiopia."
}
},
{
"@type": "Person",
"name": "Martin L Olsson",
"url": "https://questionsmedicales.fr/author/Martin%20L%20Olsson",
"affiliation": {
"@type": "Organization",
"name": "Medical Director of the Nordic Reference Laboratory for Genomic Blood Group Typing and Senior Consultant at the Department of Clinical Immunology and Transfusion Medicine, Office of Medical Services, Region Skåne; Professor of Transfusion Medicine at the Division of Hematology and Transfusion Medicine, Department of Laboratory Medicine, and Vice-Dean at the Faculty of Medicine, Lund University."
}
},
{
"@type": "Person",
"name": "Rei Rama",
"url": "https://questionsmedicales.fr/author/Rei%20Rama",
"affiliation": {
"@type": "Organization",
"name": "University of North Carolina at Charlotte."
}
},
{
"@type": "Person",
"name": "Lilian Castilho",
"url": "https://questionsmedicales.fr/author/Lilian%20Castilho",
"affiliation": {
"@type": "Organization",
"name": "Professor and Researcher, Hemocentro Campinas, University of Campinas, Rua Carlos Chagas."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "The LW blood group system: not just \"tagging along\" with D.",
"datePublished": "2023-07-05",
"url": "https://questionsmedicales.fr/article/37405848",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.21307/immunohematology-2023-012"
}
},
{
"@type": "ScholarlyArticle",
"name": "Epidemiology of Plasmodium vivax in Duffy negatives and Duffy positives from community and health centre collections in Ethiopia.",
"datePublished": "2024-03-14",
"url": "https://questionsmedicales.fr/article/38486245",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1186/s12936-024-04895-1"
}
},
{
"@type": "ScholarlyArticle",
"name": "Prevalence and Characteristics of Plasmodium vivax Gametocytes in Duffy-Positive and Duffy-Negative Populations across Ethiopia.",
"datePublished": "2024-04-16",
"url": "https://questionsmedicales.fr/article/38626749",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.4269/ajtmh.23-0877"
}
},
{
"@type": "ScholarlyArticle",
"name": "ABO Blood Groups in Systemic Sclerosis: Distribution and Association with This Disease's Characteristics.",
"datePublished": "2022-12-24",
"url": "https://questionsmedicales.fr/article/36614946",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3390/jcm12010148"
}
},
{
"@type": "ScholarlyArticle",
"name": "Associations Between ABO Blood Groups and Diseases in the Digestive System and Vein.",
"datePublished": "2024-03-27",
"url": "https://questionsmedicales.fr/article/38562208",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.2147/IJGM.S451087"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Facteurs biologiques",
"item": "https://questionsmedicales.fr/mesh/D001685"
},
{
"@type": "ListItem",
"position": 3,
"name": "Antigènes",
"item": "https://questionsmedicales.fr/mesh/D000941"
},
{
"@type": "ListItem",
"position": 4,
"name": "Isoantigènes",
"item": "https://questionsmedicales.fr/mesh/D007519"
},
{
"@type": "ListItem",
"position": 5,
"name": "Antigènes de groupe sanguin",
"item": "https://questionsmedicales.fr/mesh/D001789"
},
{
"@type": "ListItem",
"position": 6,
"name": "Système Duffy",
"item": "https://questionsmedicales.fr/mesh/D004375"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Système Duffy - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Système Duffy",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-04-29",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Système Duffy",
"description": "Comment déterminer le groupe sanguin Duffy ?\nQuels tests sont utilisés pour le système Duffy ?\nLe groupe Duffy peut-il changer ?\nQuels sont les types de groupes Duffy ?\nComment le groupe Duffy affecte-t-il les transfusions ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Système Duffy",
"description": "Quels symptômes sont liés à l'incompatibilité Duffy ?\nL'absence d'antigène Duffy cause-t-elle des symptômes ?\nLes infections sont-elles liées au système Duffy ?\nComment le système Duffy affecte-t-il la santé ?\nY a-t-il des symptômes spécifiques au paludisme ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Système Duffy",
"description": "Comment prévenir les incompatibilités Duffy ?\nY a-t-il des mesures préventives pour le paludisme ?\nLes donneurs de sang doivent-ils être testés ?\nComment sensibiliser sur le système Duffy ?\nLes vaccinations aident-elles contre le paludisme ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Système Duffy",
"description": "Comment traiter une réaction transfusionnelle Duffy ?\nY a-t-il un traitement pour l'absence d'antigène Duffy ?\nComment prévenir les réactions transfusionnelles ?\nLe paludisme a-t-il un traitement spécifique ?\nLes transfusions peuvent-elles être évitées ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Système Duffy",
"description": "Quelles complications peuvent survenir après une transfusion ?\nLe paludisme peut-il entraîner des complications graves ?\nComment gérer les complications transfusionnelles ?\nLes complications sont-elles fréquentes avec le système Duffy ?\nQuelles sont les conséquences d'une infection par le paludisme ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Système Duffy",
"description": "Quels sont les facteurs de risque pour le paludisme ?\nLes groupes sanguins rares sont-ils à risque ?\nLes antécédents transfusionnels augmentent-ils le risque ?\nLes femmes enceintes sont-elles à risque avec Duffy ?\nLes voyageurs sont-ils à risque de paludisme ?",
"url": "https://questionsmedicales.fr/mesh/D004375?page=3#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment déterminer le groupe sanguin Duffy ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le groupe sanguin Duffy est déterminé par des tests sérologiques spécifiques."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour le système Duffy ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests d'agglutination et des tests d'anticorps sont utilisés pour le système Duffy."
}
},
{
"@type": "Question",
"name": "Le groupe Duffy peut-il changer ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, le groupe sanguin Duffy est déterminé génétiquement et ne change pas."
}
},
{
"@type": "Question",
"name": "Quels sont les types de groupes Duffy ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les principaux groupes Duffy sont Fya et Fyb, avec des variations possibles."
}
},
{
"@type": "Question",
"name": "Comment le groupe Duffy affecte-t-il les transfusions ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une incompatibilité Duffy peut entraîner des réactions transfusionnelles."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont liés à l'incompatibilité Duffy ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent des réactions allergiques, fièvre et anémie."
}
},
{
"@type": "Question",
"name": "L'absence d'antigène Duffy cause-t-elle des symptômes ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'absence d'antigène Duffy n'entraîne généralement pas de symptômes cliniques."
}
},
{
"@type": "Question",
"name": "Les infections sont-elles liées au système Duffy ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines infections, comme le paludisme, sont influencées par le système Duffy."
}
},
{
"@type": "Question",
"name": "Comment le système Duffy affecte-t-il la santé ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il influence la susceptibilité aux infections et les réactions transfusionnelles."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes spécifiques au paludisme ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes du paludisme incluent fièvre, frissons, et douleurs musculaires."
}
},
{
"@type": "Question",
"name": "Comment prévenir les incompatibilités Duffy ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention passe par des tests sanguins avant toute transfusion."
}
},
{
"@type": "Question",
"name": "Y a-t-il des mesures préventives pour le paludisme ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'utilisation de moustiquaires et de répulsifs aide à prévenir le paludisme."
}
},
{
"@type": "Question",
"name": "Les donneurs de sang doivent-ils être testés ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, tous les donneurs de sang doivent être testés pour les groupes sanguins."
}
},
{
"@type": "Question",
"name": "Comment sensibiliser sur le système Duffy ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des campagnes d'information peuvent sensibiliser sur l'importance des tests sanguins."
}
},
{
"@type": "Question",
"name": "Les vaccinations aident-elles contre le paludisme ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines vaccinations peuvent réduire le risque d'infection par le paludisme."
}
},
{
"@type": "Question",
"name": "Comment traiter une réaction transfusionnelle Duffy ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut l'arrêt de la transfusion et la gestion des symptômes."
}
},
{
"@type": "Question",
"name": "Y a-t-il un traitement pour l'absence d'antigène Duffy ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'y a pas de traitement nécessaire pour l'absence d'antigène Duffy."
}
},
{
"@type": "Question",
"name": "Comment prévenir les réactions transfusionnelles ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention passe par des tests de compatibilité rigoureux avant transfusion."
}
},
{
"@type": "Question",
"name": "Le paludisme a-t-il un traitement spécifique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le paludisme est traité avec des antipaludiques comme la chloroquine."
}
},
{
"@type": "Question",
"name": "Les transfusions peuvent-elles être évitées ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des alternatives comme les médicaments ou les transfusions autologues peuvent être utilisées."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une transfusion ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des réactions allergiques, hémolyse et choc transfusionnel."
}
},
{
"@type": "Question",
"name": "Le paludisme peut-il entraîner des complications graves ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le paludisme peut causer des complications comme l'anémie sévère et le coma."
}
},
{
"@type": "Question",
"name": "Comment gérer les complications transfusionnelles ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion inclut l'arrêt de la transfusion et le traitement des symptômes."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles fréquentes avec le système Duffy ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications sont rares mais peuvent survenir en cas d'incompatibilité."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'une infection par le paludisme ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les conséquences incluent des défaillances organiques et des troubles neurologiques."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour le paludisme ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent vivre dans des zones endémiques et ne pas utiliser de protection."
}
},
{
"@type": "Question",
"name": "Les groupes sanguins rares sont-ils à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les groupes sanguins rares peuvent avoir un risque accru d'incompatibilité."
}
},
{
"@type": "Question",
"name": "Les antécédents transfusionnels augmentent-ils le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents transfusionnels peuvent augmenter le risque de réactions."
}
},
{
"@type": "Question",
"name": "Les femmes enceintes sont-elles à risque avec Duffy ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les femmes enceintes peuvent avoir des complications liées au système Duffy."
}
},
{
"@type": "Question",
"name": "Les voyageurs sont-ils à risque de paludisme ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les voyageurs vers des zones à risque doivent prendre des précautions."
}
}
]
}
]
}
This update of the Landsteiner-Wiener (LW) blood group system (Grandstaff Moulds MK. The LW blood group system: a review. Immunohematology 2011;27:136-42. Storry JR. Review: the LW blood group system....
Malaria remains a significant cause of morbidity and mortality in Ethiopia with an estimated 3.8 million cases in 2021 and 61% of the population living in areas at risk of malaria transmission. Throug...
A total of 9580 and 4667 subjects from community and health facilities from a malaria endemic site and an epidemic-prone site in western Ethiopia were enrolled and examined for P. vivax infection and ...
Infection rate of P. vivax among Duffy positives was 2-22 fold higher than Duffy negatives in asymptomatic volunteers from the community. Parasite positivity rate was 10-50 fold higher in Duffy positi...
Duffy negativity does not offer complete protection against infection by P. vivax, and cases of P. vivax in Duffy negatives are widespread in Ethiopia, being found in asymptomatic volunteers from comm...
Plasmodium parasites replicate asexually in human hosts. The proportion of infections that carries gametocytes is a proxy for human-to-mosquito transmissibility. It is unclear which proportion of Plas...
Systemic sclerosis (SSc) is an autoimmune disease associated with endothelial activation and fibrosis. Non-O blood group patients carry an increased risk of thrombosis, fibrosis and autoimmune disease...
The ABO blood type system is crucial for human blood transfusions. However, the relationships between ABO blood groups and diseases in the digestive system and vein have not been elucidated. We invest...
A retrospective study on a Chinese population, including 1432 Crohn's disease (CD), 416 ulcerative colitis (UC), 1140 stomach cancer (SC), 841 colorectal cancer (CRC), 384 pancreatic cancer (PC), 520 ...
ABO blood groups distributions in UC, SC, CRC, PC, and LC patients did not differ from that of NC, but CD and VT patients had significant difference of ABO blood group distribution from that of NC (p ...
ABO blood groups distributions in CD and VT patients significantly differed from that of NC. Non-O blood group could be a new predictor for CD and VT....
Polymorphic molecules expressed on the surface of certain blood cells are traditionally categorized as blood groups and human platelet or neutrophil antigens. CD36 is widely considered a platelet anti...
Surface markers were monitored by flow cytometry on developing cells during the erythroid culture of CD34+ cells. Genetic and flow cytometric analyses on peripheral blood cells were performed. Proteom...
Sequencing of CD36-cDNA identified homozygosity for c.1133G>T/p.Gly378Val in the CD36-negative donor. The minor allele frequency of rs146027667:T is 0.1% globally and results in abolished CD36 express...
Based on these findings, we conclude that CD36 fulfils the criteria for becoming a new blood group system and that anti-CD36 is implicated not only in FNAIT but also foetal anaemia....
Under the ISBT, the Working Party (WP) for Red Cell Immunogenetics and Blood Group Terminology is charged with ratifying blood group systems, antigens and alleles. This report presents the outcomes fr...
As in previous meetings, matters pertaining to blood group antigen nomenclature were discussed. New blood group systems and antigens were approved and named according to the serologic, genetic, bioche...
Seven new blood group systems, KANNO (defined numerically as ISBT 037), SID (038), CTL2 (039), PEL (040), MAM (041), EMM (042) and ABCC1 (043) were ratified. Two (039 and 043) were de novo discoveries...
The ISBT now recognizes 378 antigens, of which 345 are clustered within 43 blood group systems while 33 still have an unknown genetic basis. The ongoing discovery of new blood group systems and antige...
Recent evidence challenges the belief that Duffy-negative individuals are resistant to Plasmodium vivax due to lacking Duffy Antigen Receptor for Chemokines (DARC). Erythrocyte Binding Protein (EBP/DB...
ABO typing is essential for preventing ABO incompatibility transfusion reactions. Discrepancy exists when reactions in forward grouping do not match with reverse grouping. Any discrepancies reported s...
The Duffy protein, a transmembrane molecule, functions as a receptor for various chemokines and facilitates attachment between the reticulocyte and the...