Molecular Human Reproduction, Vol. 6, No. 9, 795-799,
September 2000
© 2000 European Society of Human Reproduction and Embryology
Testis and spermatogenesis |
AZFa deletions in Sertoli cell-only syndrome: a retrospective study
Service de Cytogénétique-Immunocytologie-Biologie du Développement et de la Reproduction, CHU et CNRS UPRESA 6025, Faculté de Médecine et de Pharmacie, Place Saint-Jacques, 25030 Besancion cedex, France
Abstract
Lack of data on the genotypephenotype relationship in cases of AZF microdeletions is due to the limited number of histological investigations in human male infertility cases. We investigated the possibility of retrospective detection of Yq11 microdeletions by using DNA extracted from diagnostic testicular biopsies. We used histological criteria to select two series of material: 22 biopsies with Sertoli cell-only syndrome and 14 biopsies with maturation arrest at the spermatocyte I stage. Two markers, DFFRY and DAZ, were tested by nested polymerase chain reaction (PCR) in the two series. In the Sertoli cell-only syndrome series, we found four deletions affecting the DFFRY gene (18.2%). In the second series, no deletions were detected. Two conclusions may be considered, although the number of specimens analysed is limited: (i) the frequency of deletions observed in Sertoli cell-only syndrome allows us to suggest that deletion in the AZFa region may be involved in this pathology; and (ii) retrospective studies may yield some additional elements in our search for eventual genotypephenotype relationships.
AZF/DFFRY/male infertility/Sertoli cell-only syndrome/Y chromosome
Notes
1 To whom correspondence should be addressed at: Service de Cytogénétique-Immunocytologie-Biologie du Développement et de la Reproduction, CHU et CNRS UPRESA 6025, Faculté de Médecine et de Pharmacie. Place Saint-Jacques, 25030 Besancion cedex, France. E-mail: oxana_blagoskl{at}hotmail.com
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