Abstract:
:H-Y antigen was studied serologically on blood cells and cultured fibroblasts of patients with numerical aberrations of the sex chromosomes. As compared with normal males, patients with the karyotypes 48,XXXY and 49,XXXXY have reduced H-Y antigen titers; a tendency toward reduced titers can also be detected in the 47,XXY Klinefelter syndrome. The existence of an intermediary titer was further substantiated by a quantitative absorption test applied to cells with the 49,XXXXY karyotype. It appears that in the presence of one Y chromosome, the H-Y antigen titer decreases with an increasing number of X chromosomes. In contrast, the H-Y antigen titer is increased if, at a given number of X chromosomes, the number of Y chromosomes is increased, as in the 47,XYY male. Consequently, patients with 48,XXYY chromosomes are in the male control range. The findings are interpreted under the hypothesis of a controlling or modifying influence of the sex chromosomes on the titer of H-Y antigen.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Fraccaro M,Mayerová A,Wolf U,Bühler E,Gebauer J,Gilgenkrantz S,Lindsten J,Lo Curto F,Ritzén EMdoi
10.1007/BF00274203subject
Has Abstractpub_date
1982-01-01 00:00:00pages
135-40issue
2eissn
0340-6717issn
1432-1203journal_volume
61pub_type
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