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LMTK2 and PARP-2 gene polymorphism and azoospermia secondary to meiotic arrest.

ABSTRACT: PURPOSE: To investigate whether the human LMTK2 and PARP-2 gene defects are associated with azoospermia by meiotic arrest, mutational analysis was performed on Japanese men with azoospermia. METHODS: Via direct sequencing, mutational screening was carried out on the exon region of the genes, using genomic DNAs from 18 Japanese men. Statistical analysis was done on the detected single nucleotide polymorphisms (SNPs) in the patients and normal controls. RESULTS: Nine SNPs were detected in LMTK2 and five SNPs were detected in PARP-2. There were no significant differences in the genotype distribution and allele frequencies between the two groups in LMTK2. However, the genotype frequency of heterozygotes in SNP1 of PARP-2 was higher in the patient group. The haplotype analysis revealed that SNP1-SNP4 (T-A) of PARP-2 was significantly more frequent in the patient group. CONCLUSION: The PARP-2 gene might be associated with azoospermia by meiotic arrest in humans.

SUBMITTER: Sakugawa N 

PROVIDER: S-EPMC2788684 | biostudies-literature | 2009 Sep-Oct

REPOSITORIES: biostudies-literature

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LMTK2 and PARP-2 gene polymorphism and azoospermia secondary to meiotic arrest.

Sakugawa Naoko N   Miyamoto Toshinobu T   Tsujimura Akira A   Koh Eitetsu E   Miyagawa Yasushi Y   Sato Hisashi H   Namiki Mikio M   Okuyama Akihiko A   Sengoku Kazuo K  

Journal of assisted reproduction and genetics 20090901 9-10

<h4>Purpose</h4>To investigate whether the human LMTK2 and PARP-2 gene defects are associated with azoospermia by meiotic arrest, mutational analysis was performed on Japanese men with azoospermia.<h4>Methods</h4>Via direct sequencing, mutational screening was carried out on the exon region of the genes, using genomic DNAs from 18 Japanese men. Statistical analysis was done on the detected single nucleotide polymorphisms (SNPs) in the patients and normal controls.<h4>Results</h4>Nine SNPs were d  ...[more]

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