MGST2 and WNT2 are candidate genes for comitant strabismus susceptibility in Japanese patients

Jingjing Zhang, Toshihiko Matsuo


9 被引用数 (Scopus)


Background/Aim. Strabismus is a common condition with misalignment between two eyes that may lead to decrease of visual acuity, lack of binocularity, and diplopia. It is caused by heterogeneous environmental and genetic risk factors. Our previous research has identified new chromosomal susceptibility loci in 4q28.3 and 7q31.2 regions for comitant strabismus in Japanese families. We conducted a verification study by linkage analysis to narrow the chromosomal loci down to a single gene. Methods. From Japanese and U.S. databases, 24 rsSNPs and 233 rsSNPs were chosen from the 4q28.3 and 7q31.2 region, respectively, and were typed in 108 affected subjects and 96 unaffected subjects of 58 families with primary and non-syndromic comitant strabismus. Three major analytical methods were used: transmission disequilibrium test (TDT), TDT allowing for errors (TDTae), and linkage analysis under dominant and recessive inheritance. Results. The SNPs with significant P values inTDT andTDTae were located solely at the gene, microsomal glutathione S-transferase 2 (MGST2), on chromosome 4q28.3 locus. In contrast, significant SNPs were dispersed in a few genes, containing wingless-type MMTV integration site family member 2 (WNT2), on chromosome 7q31.2 locus. The distribution of significant SNPs on the 7q31.2 locus showed that only the ST7 to WNT2 region in the same big haplotype block contained significant SNPs for all three methods of linkage analysis. Conclusions. This study suggests that MGST2 and WNT2 are potential candidates for comitant strabismus in Japanese population.

出版ステータスPublished - 2017

ASJC Scopus subject areas

  • 神経科学一般
  • 生化学、遺伝学、分子生物学一般
  • 農業および生物科学一般


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