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Association between S100B gene polymorphisms and hand, foot and mouth disease caused by enterovirus 71 infection
LI Jing, SHAN Ruo-Bing, LIU Rui-Hai, XU Ying-Jun, QU Ni-Yan, PAN Gui-Mei, ZHANG Na, YANG Na, CHEN Zhen-Zhen, ZHANG Wen-Xiang, LI Zi-Pu
Chinese Journal of Contemporary Pediatrics ›› 2017, Vol. 19 ›› Issue (8) : 904-907.
PDF(1284 KB)
PDF(1284 KB)
Association between S100B gene polymorphisms and hand, foot and mouth disease caused by enterovirus 71 infection
Objective To investigate the association between rs9722 polymorphisms in the S100B gene and hand, foot and mouth disease (HFMD) caused by enterovirus 71.Methods A total of 124 HFMD children with enterovirus 71 infection were enrolled as subjects, and 56 healthy children were enrolled as control group. The rs9722 polymorphisms in the S100B gene were detected for both groups, and the serum level of S100B protein was measured for 74 HFMD children.Results The rs9722 locus of the S100B gene had three genotypes, CC, CT, and TT, and the genotype frequencies were in accordance with Hardy-Weinberg equilibrium. Compared with the control group, the HFMD group had significant increases in the frequencies of TT genotype and T allele (P < 0.01). Children with severe HFMD caused by enterovirus 71 infection had significantly higher frequencies of TT genotype and T allele than those with moderate or mild HFMD (P < 0.05). Compared with the cured patients, the patients with poor prognosis had significant increases in the frequencies of TT genotype and T allele in the rs9722 locus of the S100B gene (P < 0.05). Among the 74 children with HFMD, the children with TT genotype had the highest serum level of S100B protein, and those with CC genotype had the lowest level (P < 0.01).Conclusions T allele in the rs9722 locus of the S100B gene might be a risk factor for severe HFMD caused by enterovirus 71 infection.
Enterovirus 71 / Hand, foot and mouth disease / S100B protein / Gene polymorphism / Child
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