Molecular Genetic Analysis of Y-Chromosome Microdeletions in Men with Severe Spermatogenetic Defects |
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Authors: | Loginova J A Nagornaya I I Shlikova S A Petrova L I Ribakova M V Kuznetsova T V Baranov V S |
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Institution: | (1) Ott Institute of Obstetrics and Gynecology, Russian Academy of Medical Sciences, St. Petersburg, 199034, Russia;(2) Ava-Peter Russian–Finnish Medical Center, St. Petersburg, 191186, Russia |
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Abstract: | Microdeletions of the Y-chromosomal AZF loci were revealed in 10 (12%) of 82 patients with severe idiopathic spermatogenetic defects. Deletions involved AZFc in six patients, AZFa in one patient, AZFb+c in two patients, and AZFa+b+c in one patient. Microdeletion analysis employed multiplex PCR with 22 pairs of primers directed to Y-specific STS of deletion intervals 5, 6, and 7 (Yq11). Spermatogenesis in men with AZF microdeletions was assessed with semen analysis, microscopic examination of testicular aspirate, and quantitative karyotypic analysis of immature germline cells in ejaculate or aspirate. The character of spermatogenetic defects was correlated with the size and location of microdeletions in order to study the genotype–phenotype relationship. |
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Keywords: | mammalian spermatogenesis microdeletion analysis of AZF loci Y chromosome azoospermia |
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