Abstract
Data suggesting that probes pDP105/B and 50f2/C,E may identify sequences on distal Yq11 (interval 6) that are critical for spermatogenesis stimulated a study of this region by means of these two probes in azoospermic 46,XY men with biopsy-proved Sertoli-cell-only syndrome. Deoxyribonucleic acid samples from controls and study subjects were digested with the restriction enzymes TaqI, EcoRI, and BamHI. These samples were blotted and hybridized with pDP105/B, 50f2/C,E, and two more proximal Yq11 probes 4B-2 and pAS1. The sequence hydridizing to 50f2/C was absent in one study subject. No deletions were detected with pDP105/B and the two more proximal probes.
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