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  • Title: Y chromosome microdeletion in a case with Klinefelter's Syndrome.
    Author: Samli H, Samli MM, Azgoz A, Solak M.
    Journal: Arch Androl; 2006; 52(6):427-31. PubMed ID: 17028090.
    Abstract:
    In male infertility, the frequency of genetic factors is high. Klinefelter's Syndrome is the most frequent sex chromosomal abnormality detected in male infertility. In this study we report a patient diagnosed with Klinefelter's Syndrome with a deletion of the Yq interval. The patient was 24-years old with primary infertility. Semen analyses carried out in triplicate indicated azoospermia. The plasma leutenizing hormone (LH) and follicle stimulating hormone (FSH) levels were abnormally high and the testosterone level was lower than the usual range. Each of his testes had a volume of 3 cc. Peripheral blood karyotype analysis showed Klinefelter's Syndrome (47, XXY) pattern. Polymerase chain reaction amplification of DNA was performed using the following primers; AZFa (sY81, sY82, sY84), AZFb (sY127, sY142, sY164, RBM1), AZFc (CDY, BPY, sY254, sY255, sY277), AZFd (sY152, sY145, sY153). Analysis revealed a single deletion of AZFa region (sY84). Deletion of the AZFa region may be an additional factor for absolute azoospermia in men with Klinefelter's Syndrome. For individuals with Klinefelter's Syndrome who plan to undergo assisted reproduction techniques, Y chromosome microdeletion screening can diagnostically be convenient.
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