Abstract
Primed in situ labeling (PRINS) technique is an alternative to in situ hybridization for rapid chromosome screening. We employed triple-color PRINS technique to detect chromosomal abnormalities in Klinefelter syndrome patients diagnosed by G-banding karyotype analysis. Among 1034 infertile male patients, 134 were found to be cytogenetically abnormal, including 70 with chromosomal number abnormalities and 64 with chromosomal structure abnormalities. Among these cytogenetically abnormal patients, 56 were diagnosed as having Klinefelter syndrome. PRINS technique was used on cultured lymphocyte metaphase cells of the Klinefelter syndrome patients; the same result was obtained with G-banding karyotype analysis. PRINS proved to be a rapid and reliable method to detect numerical chromosome abnormalities in peripheral blood lymphocytes in metaphase.
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