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To document further the proposed genetic linkage between congenital adrenal hyperplasia due to 21-hydroxylase deficiency and HLA, 34 unrelated families from New York and Zurich, with a total of 48 patients, 48 siblings and their parents, were studied. All patients were HLA genotypically different from the healthy sibs; when two or more children were affected in the same sibship they were always HLA-B identical. The gene for 21-hydroxylase deficiency was separated by genetic recombination from the HLA-A locus and from the locus for glyoxalase I-polymorphism. No HLA-A, HLA-B or HLA-C antigen was selectively increased among the 34 unrelated patients. Lod-score analysis for HLA-B:21-hydroxylase deficiency gave a peak for theta approximately 0.00 at 5.20 for females and 4.30 for males, giving a total peak lod score of 9.5 at theta approximately 0.00 when male and female lod scores were combined. Close genetic linkage between HLA-B and 21-hydroxylase deficiency was thus established.
L S Levine, and
M Zachmann, and
M I New, and
A Prader, and
M S Pollack, and
G J O'Neill, and
S Y Yang, and
S E Oberfield, and
B Dupont
March 1981,
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M Zachmann, and
M I New, and
A Prader, and
M S Pollack, and
G J O'Neill, and
S Y Yang, and
S E Oberfield, and
B Dupont
January 1977,
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L S Levine, and
M Zachmann, and
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A Prader, and
M S Pollack, and
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S E Oberfield, and
B Dupont
October 1980,
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L S Levine, and
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May 1983,
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January 1988,
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