Turkish journal of medical sciences · 2017
Male infertility is significantly associated with multiple deletions in an 8.7-kb segment of sperm mtDNA in Pakistan.
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Mughal Irfan Afzal, Irfan Asma, Jahan Sarwat, Hameed Abdul
Аннотация
BACKGROUND/AIM: This study aimed to find a link between sperm mitochondrial DNA mutations and male infertility in Pakistan.
MATERIALS AND METHODS: DNA from semen samples was extracted and amplified by PCR using 7.8-kb deletion-specific primers. The PCR products were separated on agarose gel, visualized under UV-illumination, and then photographed. The results were genotyped and the data were analyzed using SPSS.
RESULTS: Deletion analysis of the 8.7-kb fragment by long PCR revealed multiple deletions. The frequency of deletion was much higher in infertile groups as compared to the control group. Further, on comparison between different subtypes of infertile groups, the deletions were highest in the oligoasthenoteratozoospermia (OAT) group. The statistical analysis of case and control groups showed a significant association of the 8.7-kb deletion with human male infertile groups (P = 0.031), and particularly a very significant association with the OAT subgroup (P = 0.019).
CONCLUSION: A significant association has been found between human male infertility and mtDNA deletions in an 8.7-kb segment of sperm mtDNA in a Pakistani population.
MATERIALS AND METHODS: DNA from semen samples was extracted and amplified by PCR using 7.8-kb deletion-specific primers. The PCR products were separated on agarose gel, visualized under UV-illumination, and then photographed. The results were genotyped and the data were analyzed using SPSS.
RESULTS: Deletion analysis of the 8.7-kb fragment by long PCR revealed multiple deletions. The frequency of deletion was much higher in infertile groups as compared to the control group. Further, on comparison between different subtypes of infertile groups, the deletions were highest in the oligoasthenoteratozoospermia (OAT) group. The statistical analysis of case and control groups showed a significant association of the 8.7-kb deletion with human male infertile groups (P = 0.031), and particularly a very significant association with the OAT subgroup (P = 0.019).
CONCLUSION: A significant association has been found between human male infertility and mtDNA deletions in an 8.7-kb segment of sperm mtDNA in a Pakistani population.