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Haplotype analysis of chemokine CXCL12 polymorphisms and susceptibility to premature ovarian failure in Chinese women.

Authors
Type
Published Article
Journal
Human Reproduction
1460-2350
Publisher
Oxford University Press
Publication Date
Volume
26
Issue
4
Pages
950–954
Identifiers
DOI: 10.1093/humrep/der001
PMID: 21296802
Source
Medline

Abstract

BACKGROUND Chemokine (C-X-C motif) ligand 12 (CXCL12/stromal cell-derived factor 1) has been suggested to play an essential role in primordial germ cell migration, colonization and survival, and in the primordial to primary follicle transition. This study was performed to investigate an association of polymorphisms in CXCL12 with the risk of premature ovarian failure (POF) in Chinese patients. METHODS Tagging single nucleotide polymorphisms (SNPs) were selected using the Chinese HapMap database. Five SNPs (rs4948878, rs1801157, rs266087, rs266093 and rs1029153) were genotyped by direct sequencing in 111 patients with POF and 183 healthy controls recruited from the First Affiliated Hospital, Anhui Medical University, China. RESULTS Compared with controls, there were significantly higher frequencies of the rs1801157 A allele and haplotype C-T-A-T-T in cases with POF [P = 6.38E-07, odds ratio (OR) = 3.10, 95% confidence interval (CI) 1.955-4.890 by allele; P = 7.0E-04, OR = 2.39, 95% CI 1.43-3.97 by haplotype]. No differences were observed for the other four SNPs between POF cases and controls. CONCLUSIONS A strong association between a CXCL12 polymorphism and POF was established in Chinese patients, suggesting that CXCL12 might be a new candidate gene involved in POF. The A allele of CXCL12 polymorphism rs1801157 is a possible risk factor for developing POF. However, further independent studies are necessary to confirm our findings.

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