期刊
TISSUE ANTIGENS
卷 56, 期 3, 页码 268-271出版社
MUNKSGAARD INT PUBL LTD
DOI: 10.1034/j.1399-0039.2000.560309.x
关键词
MICA; MICB; null haplotype; HLA-B48
A 100-kb deletion including the MICA gene was recently reported in the HLA-B48 (B*4801)-associated haplotype in Japanese. Interestingly: this MICA deletion is accompanied by a MICB null allele, MICB0107N. In order to further investigate the universality of the apparent tight linkage between these two events, we present data on high-resolution deletion mapping of eight HLA-B48-homozygous individuals. Among these, five carried the MICA deletion linked to MICB0107N, as originally reported. Conversely the remaining three possessed an intact MICA gene of MICA008 or MICA010 allelic variant associated this time with a putative expressed MICB allele, MICB0102. These results may imply that the expression of both MICA and MICB molecules is indispensable to viability through a yet-to-be understood mutual interaction in immune surveillance.
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