Identification of novel genetic loci GAL3ST4 and CHGB involved in susceptibility to leprosy

Youhua Yuan, Yuangang You, Yan Wen, Jian Liu, Huanying Li, Yumeng Zhang, Nan Wu, Shuang Liu, Shanshan Zhang, Jiazhen Chen, Jingwen Ai, Wenhong Zhang, Ying Zhang

Research output: Contribution to journalArticle

Abstract

Leprosy has long been thought to have a strong genetic component, and so far, only positional cloning and genomewide association studies have been used to study the genetic susceptibility to leprosy,while whole exome sequencing (WES) approach has not yet been applied. In this study, we used WES approach on four leprosy patients and four healthy control relatives from two leprosy families. We found three new susceptible loci of leprosy, one in GAL3ST4 and two in CHGB. We went on to validate the findings of WES using 151 leprosy cases and 226 healthy controls by Sanger sequencing. Stratified by gender, GAL3ST4 was found to be the susceptible gene only for the female population, and CHGB48 and CHGB23 were susceptibile to leprosy for the male population, respectively). Moreover, the gene expression levels of the three susceptible loci were measured by real-time PCR after the stimulation by M. leprae antigens in the PBMC (peripheral blood mononuclear cells) of 69 healthy people. The results showed that the female subjects with high frequent genotype in GAL3ST4 had a fivefold elevated expression. We suggest the polymorphisms in GAL3ST4 in different population are associated with increased risk of leprosy.

Original languageEnglish (US)
Article number16352
JournalScientific Reports
Volume7
Issue number1
DOIs
StatePublished - Dec 1 2017

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Genetic Loci
Leprosy
Exome
Population
Genetic Predisposition to Disease
Organism Cloning
Real-Time Polymerase Chain Reaction
Blood Cells
Genotype
Gene Expression
Antigens

ASJC Scopus subject areas

  • General

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Identification of novel genetic loci GAL3ST4 and CHGB involved in susceptibility to leprosy. / Yuan, Youhua; You, Yuangang; Wen, Yan; Liu, Jian; Li, Huanying; Zhang, Yumeng; Wu, Nan; Liu, Shuang; Zhang, Shanshan; Chen, Jiazhen; Ai, Jingwen; Zhang, Wenhong; Zhang, Ying.

In: Scientific Reports, Vol. 7, No. 1, 16352, 01.12.2017.

Research output: Contribution to journalArticle

Yuan, Y, You, Y, Wen, Y, Liu, J, Li, H, Zhang, Y, Wu, N, Liu, S, Zhang, S, Chen, J, Ai, J, Zhang, W & Zhang, Y 2017, 'Identification of novel genetic loci GAL3ST4 and CHGB involved in susceptibility to leprosy', Scientific Reports, vol. 7, no. 1, 16352. https://doi.org/10.1038/s41598-017-16422-1
Yuan, Youhua ; You, Yuangang ; Wen, Yan ; Liu, Jian ; Li, Huanying ; Zhang, Yumeng ; Wu, Nan ; Liu, Shuang ; Zhang, Shanshan ; Chen, Jiazhen ; Ai, Jingwen ; Zhang, Wenhong ; Zhang, Ying. / Identification of novel genetic loci GAL3ST4 and CHGB involved in susceptibility to leprosy. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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AU - Liu, Shuang

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