期刊
HUMAN IMMUNOLOGY
卷 61, 期 3, 页码 190-192出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0198-8859(99)00183-4
关键词
twins; chimerism; alloreactivity; MLC
类别
Blood group chimeric twins offer a unique opportunity to study immunological tolerance in humans. Although this condition is not as rare as previously considered, derailed immunological studies of blood group chimeras are lacking. We describe here a case of secondary chimerism in a dizygotic twin of opposite gender. The karyotypes of the cultured fibroblast confirmed the sex of each twin, all cells in the boy were 46, XY and all cells in the girl were 46, XX. Molecular HLA typing on fibro-blasts revealed HLA-DR, DQ and DP disparities between the two siblings. Mixed lymphocyte culture (MLC) revealed a mutual absence of alloreactivity. (C) American Society for Histocompatibility and Immunogenetics, 2000. Published by Elsevier Science Inc.
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