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Genotyping of human platelet antigens in ethnic Northeastern Thais by the polymerase chain reaction-sequence specific primer technique.
Artículo en Inglés | IMSEAR | ID: sea-41241
ABSTRACT
Human platelet antigens (HPA) are important in neonatal alloimmune thrombocytopenia (NAITP), post-transfusion purpura (PTP), refractoriness to platelet transfusion therapy and population genetics. The distribution of HPA in a Northeast Thai population was studied. 300 healthy, unrelated, and ethnic Northeastern Thais were randomly selected. Using the polymerase chain reaction-sequence specific primer technique (PCR-SSP), the frequency of HPA-1, -2, -3, -4, -5 and -6 were determined. The phenotype frequencies were 100 per cent for HPA-1a, 4a, 5a, and 6a. For HPA-1b, 2a, 2b, 3a, 3b, 5b and 6b, the frequencies were 5.7, 99.7, 12.3, 78.0, 71.3, 7.3 and 3.0 per cent, respectively. The HPA-4b was not found. The HPA frequencies in our subjects were quite similar to other Asian populations but were different from Caucasians. The distribution of HPA genotypes encountered in our study indicate that HPA-1a, -4a, -4b, -5a and -6a will not be involved in NAITP, PTP and refractoriness to platelet transfusion therapy in Northeastern Thais. Moreover, HPA-1b, -2a, -2b, -3a, -3b, -5b and -6b may induce alloantibodies in these patients.
Asunto(s)
Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Tailandia / Humanos / Secuencia de Bases / Etnicidad / Reacción en Cadena de la Polimerasa / Púrpura Trombocitopénica Idiopática / Antígenos de Plaqueta Humana / Frecuencia de los Genes / Genotipo País/Región como asunto: Asia Idioma: Inglés Año: 2000 Tipo del documento: Artículo

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Texto completo: Disponible Índice: IMSEAR (Asia Sudoriental) Asunto principal: Tailandia / Humanos / Secuencia de Bases / Etnicidad / Reacción en Cadena de la Polimerasa / Púrpura Trombocitopénica Idiopática / Antígenos de Plaqueta Humana / Frecuencia de los Genes / Genotipo País/Región como asunto: Asia Idioma: Inglés Año: 2000 Tipo del documento: Artículo