Prevalence of Y chromosome microdeletion in azoospermic infertile males of Iraqi population
ANWAR M. AL-JANABI ALI IBRAHIM RAHIM SHEHAB A. FARIS SALIH M. AL-KHAFAJI DHAFER JAWAD
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In human gamete development, the important period is spermatogenesis, which is organized by specific genes on Y chromosome. In some cases, the infertile men have shown microdeletions on Y chromosome, which seemed as if the structural chromosome variance is linked to the reduction of sperm count. This study aimed to determine the frequency and patterns of Y chromosome microdeletions in azoospermia factor (AZF) of Iraqi infertile males. Here, 90 azoospermic infertile males as a study group and 95 normal fertile males as control group were investigated for the microdeletion of AZF loci using numerous sequence-tagged sites. Of these 90 infertile male patients, 43 (47.8%) demonstrated Y chromosome microdeletions, in which AZFb region was the most deleted section inazoospermia patients (33.3%) followed by deletions in the AZFc region (23%), while there were no microdeletion in the AZFa region. The largest microdeletion involved in both AZFb and AZFc was detected in six azoospermic patients (6.7%). The present study demonstrated a high frequency of Y chromosome microdeletions in the infertile Iraqi patients which is not reported previously. The high frequency of deletions may be due to the association of ethnic and genetic factors. PCR-based Y chromosome screening for microdeletions has a potential to be used in infertility clinics for genetic counselling and assisted reproduction.
ANWAR M. AL-JANABI1 ALI IBRAHIM RAHIM2 SHEHAB A. FARIS2 SALIH M. AL-KHAFAJI2 DHAFER JAWAD3
Volume 102, 2023
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