Association of interleukin-23 receptor and interleukin-17 single nucleotide polymorphisms with necrotizing enterocolitis in Chinese Han preterm infants

ZHANG Yun; LI Ke

doi:10.7499/j.issn.1008-8830.2020.02.011

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Chinese Journal of Contemporary Pediatrics ›› 2020, Vol. 22 ›› Issue (2) : 141-145. DOI: 10.7499/j.issn.1008-8830.2020.02.011

CLINICAL RESEARCH

Association of interleukin-23 receptor and interleukin-17 single nucleotide polymorphisms with necrotizing enterocolitis in Chinese Han preterm infants

ZHANG Yun, LI Ke

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Abstract

Objective To study the association of single nucleotide polymorphisms (SNPs) of interleukin-23 receptor (IL-23R) rs10889677, interleukin-17A (IL-17A) rs227591, and interleukin-17F (IL-17F) rs763780 with necrotizing enterocolitis (NEC) in Chinese Han preterm infants. Methods A total of 100 Chinese Han preterm infants with NEC who were admitted to the neonatal intensive care unit from January 2017 to January 2019 were prospectively enrolled. Of the 100 preterm infants, 63 had stage II NEC and 37 had stage III NEC. A total of 100 preterm infants, matched for age and sex, were selected as the control group. PCR and Sanger sequencing were used to determine the SNPs of rs10889677, rs2275913, and rs763780. An unconditional logistic regression analysis was used to investigate the association of SNPs with NEC susceptibility and severity. Results The genotype and allele frequencies of rs10889677 and rs2275913 had no influence on the development of NEC (P > 0.05). The genotype of rs763780 had no influence on the development of NEC (P > 0.05), but the risk of NEC in the infants carrying C allele was 1.652 times that in those carrying T allele (95%CI:1.052-2.695, P < 0.05). The risk of NEC in the infants carrying TC+CC genotype was 1.856 times that in those carrying TT genotype (95%CI:1.045-3.201, P < 0.05). The risk of stage III NEC in the infants carrying TC+CC genotype was 2.965 times that in those carrying TT genotype (95%CI:1.052-6.330, P < 0.05). The risk of stage III NEC in the infants carrying C allele was 2.363 times that in those carrying T allele (95%CI:1.034-4.093, P < 0.05). Conclusions The SNPs of IL-23R rs10889677 and IL-17A rs2275913 are not associated with the susceptibility to NEC in Chinese Han preterm infants, while TC+CC genotype and C allele of IL-17F rs763780 are associated with the susceptibility to NEC and the severity of NEC.

Key words

Necrotizing enterocolitis / Interleukin-23 receptor / Interleukin-17 / Gene polymorphism / Preterm infant

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ZHANG Yun, LI Ke. Association of interleukin-23 receptor and interleukin-17 single nucleotide polymorphisms with necrotizing enterocolitis in Chinese Han preterm infants[J]. Chinese Journal of Contemporary Pediatrics. 2020, 22(2): 141-145 https://doi.org/10.7499/j.issn.1008-8830.2020.02.011

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