Negative Association Between lncRNA HOTTIP rs3807598 C>G and Hirschsprung Disease
Authors Zheng Y, Zhuo Z, Xie X, Lu L, He Q, Zhong W
Received 13 February 2020
Accepted for publication 22 April 2020
Published 6 May 2020 Volume 2020:13 Pages 151—156
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Martin H. Bluth
Yi Zheng,* Zhenjian Zhuo,* Xiaoli Xie, Lifeng Lu, Qiuming He, Wei Zhong
Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Wei Zhong
Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou 510623, Guangdong, People’s Republic of China
Background: Hirschsprung disease (HSCR) is a congenital disease that arises from defective intestinal neural system. LncRNA HOTTIP is a critical gene in various diseases, including HSCR. No epidemiological studies have explored the correlation between lncRNA HOTTIP single nucleotide polymorphisms (SNPs) and HSCR risk. We here lead as a pioneer to explore whether SNPs in lncRNA HOTTIP impact the risk of HSCR and HSCR subtypes in an unrelated Chinese population.
Methods: We used the TaqMan method to genotype rs3807598 C>G of the lncRNA HOTTIP gene using 1470 HSCR cases and 1473 healthy controls. Of them, 1441 cases and 1434 controls were successfully genotyped. We adopted odds ratios (ORs) and 95% confidence intervals (CIs) to quantify the relationship.
Results: We got an unexpected outcome that lncRNA HOTTIP SNP rs3807598 C>G could not modify the risk of HSCR (CG vs. CC: adjusted OR=0.89, 95% CI=0.74– 1.07; GG vs. CC: adjusted OR=1.10, 95% CI=0.89– 1.37; GG/CG vs CC: adjusted OR=0.95, 95% CI=0.80– 1.13; and GG vs. CC/CG: adjusted OR=1.19, 95% CI=0.99– 1.43). What’s more, risk effect of lncRNA HOTTIP rs3807598 C>G is still not obvious in stratification analysis by HSCR subtype.
Conclusion: Our studies did not provide statistical evidence of a correlation between lncRNA HOTTIP SNP rs3807598 C>G and susceptibility of HSCR in the Chinese population that is being studied. Further validation study with a larger sample size covering multi-ethnic groups is warranted.
Keywords: Hirschsprung disease, HOTTIP, polymorphism, susceptibility, Chinese
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