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- Title
Association of USP26 haplotypes in men in Taiwan, China with severe spermatogenic defect.
- Authors
Lee, I-Wen; Kuan, Long-Ching; Lin, Chien-Hung; Pan, Hsien-An; Hsu, Chao-Chin; Tsai, Yung-Chieh; Kuo, Pao-Lin; Teng, Yen-Ni
- Abstract
Aim: To complete comprehensive haplotype analysis of USP26 for both fertile and infertile men. Methods: Two hundred infertile men with severe oligospermia or non-obstructive azoospermia were subjected to sequence analysis for the entire coding sequences of the USP26 gene. Two hundred men with proven fertility were genotyped by primer extension methods. Allele/genotype frequencies, linkage disequilibrium (LD) characteristics and haplotypes of fertile men were compared with infertile men. Results: The allele frequencies of five single nucleotide polymorphisms (370–371insACA, 494T>C, 576G>A, ss6202791C>T, 1737G>A) were significantly higher in infertile patients than control subjects. The major haplotypes in infertile men were TACCGA (28% of the population), TGCCGA (15%), TACCAA (8%), TGCCAA (6%), TATCAA (5%) and CATCAA (5%). The major haplotypes for the control subjects were TACCGA (58% of the population), CACCGA (7%), CATCGA (6%) and TGCCGA (5%). Haplotypes TGCCGA, TATCAA, CATCAA, CATCGC, TACCAA and TGCCAA were over-transmitted in patients with spermatogenic defect, whereas haplotypes TACCGA, CACCGA, and CATCGA were under-transmitted in these patients. Conclusion: Some USP26 alleles and haplotypes are associated with spermatogenic defect in the Han nationality in Taiwan, China.
- Publication
Asian Journal of Andrology, 2008, Vol 10, Issue 6, p896
- ISSN
1008-682X
- Publication type
Article
- DOI
10.1111/j.1745-7262.2008.00439.x