Abstract
This report summarizes the fourth collaborative effort in conjunction with the International Histocompatibility Workshop to use a common scheme to type for HLA-D determinants with homozygous typing cells (HTC) in the mixed lymphocyte culture (MLC) test. This method, now more than ten years old, was originally proposed by us [1] and subsequently incorporated into the Sixth, Seventh, and Eighth International Histocompatibility Workshops [2, 3, 4]. The results of these three Workshops can be summarized as follows:
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1.
At least 12 distinct HLA-D determinants (Dw1 through w12) can be recognized in the population.
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2.
Some of these determinants are heterogeneous or cross-reactive.
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3.
There is an HLA-D “blank” gene frequency of approximately 30% as evidence for additional, still unrecognized determinants.
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4.
The HLA-D determinants are in linkage disequilibrium, especially with HLA-DR and HLA-B alleles.
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5.
As for the serologically defined HLA antigens, the gene frequencies of the individual HLA-D determinants vary between different ethnic groups.
This work was supported by the Deutsche Forschungsgemeinschaft (AL-92/13–1) and by SFB102 TPB4
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© 1984 Springer-Verlag Berlin Heidelberg
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Grosse-Wilde, H., Doxiadis, I., Brandt, H. (1984). Definition of HLA-D with HTC. In: Albert, E.D., et al. Histocompatibility Testing 1984. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-69770-8_97
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DOI: https://doi.org/10.1007/978-3-642-69770-8_97
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