Prevalence of RHD alleles in Japanese individuals with weak D phenotype: Identification of 20 new RHD alleles
K Isa1, K Sasaki1, K Ogasawara2
1Japanese Red Cross Central Blood Institute, Tokyo, Japan.
Abstract:
We identified 46 different RHD alleles from 226 Japanese individuals with weak D phenotype, 26 of which had been previously described and 20 that were novel. Among these weak D individuals, the alleles with c.960G>A, c.845G>A (RHD*15) or c.1013T>C (RHD*01W.24) mutations were most prevalent with relative occurrences of 36·7%, 15·9% and 9·7%, respectively. These findings demonstrate that the prevalence of common weak D alleles in the Japanese population significantly differs from that of Caucasian populations.
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