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Association Analysis of the RET Proto-Oncogene with Hirschsprung Disease in the Han Chinese Population of Southeastern China |
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| Authors: | Cui-Ping Liu Qian-Qian Tang Jin-Tu Lou Chun-Fen Luo Xue-Wu Zhou Dong-Mei Li Fei Chen Xiang Li Ji-Cheng Li |
| Institution: | 1. Institute of Cell Biology, Zhejiang University, Hangzhou, Zhejiang Province, China 2. Department of Central Laboratory, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China 3. Department of Pediatric Surgery, Taizhou Hospital, Taizhou, China |
| Abstract: | Hirschsprung disease (HSCR) is a complex congenital disorder characterized by intestinal obstructions caused by the absence of the intestinal ganglion cells of the nerve plexuses in variable lengths of the digestive tract. This study investigated a possible role of the RET proto-oncogene in sporadic HSCR patients in the Han Chinese population. Our results indicated that rs1800858, rs1800860, rs1800863, and rs2075912, located in exons 2, 7, 15, and intron 19 of RET, are strongly associated with the disease (P < 0.01), with rs1800860 and rs1800863 playing a protective role in the pathogenesis of HSCR in the Chinese population. We also showed that the haplotype consisting of four SNPs is significantly associated with HSCR. We did not find a significant difference in the CA-repeat in intron 5 of RET between cases and controls. Our study provided further evidence that the RET gene is involved in the susceptibility to HSCR in the Han Chinese population. |
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