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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/20348
Title: Absence of association between the Fcγ receptor IIIA-176F\ V polymorphism and the severity of malaria in Thai
Authors: Kazuya Omi
Jun Ohashi
Jintana Patarapotikul
Hathairad Hananantachai
Izumi Naka
Sornchai Looareesuwan
Katsushi Tokunaga
Mahidol University
University of Tokyo
Keywords: Medicine
Issue Date: 1-Oct-2002
Citation: Japanese Journal of Infectious Diseases. Vol.55, No.5 (2002), 167-169
Abstract: Human Fcγ receptor (FcγR) genes form a clustered gene family, which consists of Fcγ RIIA, IIB, IIC, IIIA, and IIIB genes, on chromosome 1q23. We previously reported that the Fcγ RIIA-131H/H genotype in combination with the FcγRIIIB-NA2 allele is associated with susceptibility to cerebral malaria, and that such an association can be caused by linkage disequilibrium (LD) between these polymorphisms and the primary associated gene(s) in this region. FcγRIIIA is known to exhibit the genetic polymorphism FcγRIIIA-176F/V coded for different affinity to IgG1 and IgG3. In this study, we examined a possible association between FcγRIIIA-176F/V polymorphism and severity of malaria in 462 adult Thai patients with Plasmodium falciparum malaria. The frequencies of FcγRIIIA-176V among patients with mild malaria, with non-cerebral severe malaria, and with cerebral malaria were 32.7%, 29.9%, and 36.3%, respectively. This polymorphism showed neither positive nor negative association with the severity of malaria. Thus, we concluded that the association of FcγRIIA-131H/R and FcγRIIIB-NA1/NA2 polymorphisms with cerebral malaria in Thailand is not due to the LD caused by FcγRIIIA-176F/V.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0036823390&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/20348
ISSN: 13446304
Appears in Collections:Scopus 2001-2005

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