Abstract:
:The prevalence of spermatogenic failure (SF) has gradually increased during the past few decades at least in several countries. Although multiple factors would be involved in this phenomenon, one important factor would be excessive estrogen effects via estrogen receptors (ERs). Thus, we performed haplotype analysis of ESR2 encoding ERβ in 125 Japanese SF patients and 119 age-matched control males, using single nucleotide polymorphisms (SNPs) 1-9 that are widely distributed on the ~120-kb genomic sequence of ESR2. Consequently, a linkage disequilibrium (LD) block was detected in an ~60-kb region encompassing SNPs 2-7 in both groups, and four major estimated haplotypes were identified within the LD block. Furthermore, the most prevalent 'TGTAGA' haplotype was found to be significantly associated with SF, with the P-value obtained by the Cochran-Armitage trend test (0.0029) being lower than that obtained by a 100 000-times permutation test (0.0038) to cope with the problem of multiple comparisons. The results, in conjunction with our previous data indicating lack of a susceptibility factor on ESR1 encoding ERα, imply that the specific 'TGTAGA' haplotype of ESR2 raises the susceptibility to the development of SF.
journal_name
J Hum Genetjournal_title
Journal of human geneticsauthors
Ogata T,Fukami M,Yoshida R,Nagata E,Fujisawa Y,Yoshida A,Yoshimura Ydoi
10.1038/jhg.2012.53subject
Has Abstractpub_date
2012-07-01 00:00:00pages
449-52issue
7eissn
1434-5161issn
1435-232Xpii
jhg201253journal_volume
57pub_type
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