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Reprod Biomed Online. 2014 Apr;28(4):503-7. doi: 10.1016/j.rbmo.2013.11.011. Epub 2013 Dec 4.

WNT9B in 542 Chinese women with Müllerian duct abnormalities: mutation analysis.

Author information

1
Center for Reproductive Medicine, Provincial Hospital Affiliated with Shandong University, Jinan 250021, China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 250021, China; The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 250021, China; Shandong Provincial Key Laboratory of Reproductive Medicine,324 Jingwu Road, Jinan 250021, China.
2
Qingdao Women and Children Medical Healthcare Center, Qingdao 266000, China.
3
Center for Reproductive Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
4
Center for Reproductive Medicine, Provincial Hospital Affiliated with Shandong University, Jinan 250021, China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 250021, China; The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 250021, China; Shandong Provincial Key Laboratory of Reproductive Medicine,324 Jingwu Road, Jinan 250021, China; Center for Reproductive Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Electronic address: chenzijiang@hotmail.com.

Abstract

The WNT9B gene is a common organizing signal regulating different segments of the mammalian urogenital system and plays a primary role in the development of the female reproductive tract. The aim of the present work was to examine the presence of WNT mutations in a population of women with Müllerian duct abnormalities (MDA) in order to elucidate whether mutations in WNT9B are causative for MDA in Chinese women. Initially, 191 Chinese MDA patients and 192 healthy individuals (controls) were recruited. All coding regions were amplified by PCR and sequenced to search for variants. To verify the initial results, the numbers of patients and ethnic-matched controls were expanded to 542 and 563, respectively. One known single-nucleotide polymorphism and four novel variants were identified in the first stage: two were synonymous; the other two were rare nonsynonymous novel variants (c.566G>A (p.Arg189Gln) and c.773G>A (p.Arg258His)). None of the four novel variants was found in controls. In the second stage, both novel nonsynonymous variants were detected in MDA cases and controls. The results indicate that mutations in the coding sequence of WNT9B are not responsible for MDA in the Chinese population.

KEYWORDS:

MRKH syndrome; Müllerian duct abnormalities; WNT9B; mutation; single-nucleotide polymorphisms; synonymous

PMID:
24581601
DOI:
10.1016/j.rbmo.2013.11.011
[Indexed for MEDLINE]

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