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Published on: August 8, 2022
[Coding-sequence point mutation and polymorphism analyses of SIP1 gene in Hirschsprung disease]
Hong Gao1, Xin-fang Li, Zhi-bo Zhang
1Shengjing Affiliated Hospital, China Medical University, Shenyang, Liaoning, 110004 People's Republic of China.
Summary
Mutations in the SIP1 gene were identified in Hirschsprung disease (HSCR) patients. These findings suggest the SIP1 gene plays a significant role in HSCR development.
Area of Science:
- Genetics
- Molecular Biology
Context:
- Hirschsprung disease (HSCR) is a congenital disorder affecting the enteric nervous system.
- The role of the SIP1 gene in HSCR pathogenesis requires further investigation.
Purpose:
- To investigate point mutations and polymorphisms of the SIP1 gene in HSCR.
- To determine the relationship between SIP1 gene variations and HSCR.
Summary:
- The study analyzed 50 HSCR cases and 30 controls using PCR-SSCP and DNA sequencing.
- SIP1 gene mutations, including missense and nonsense variations, were detected in HSCR patients.
- Loss of heterozygosity was observed in exon 7, and missense mutations in exon 8 occurred at an 8% frequency.
Impact:
- The findings indicate that the SIP1 gene is implicated in the pathogenesis of Hirschsprung disease.
- This research contributes to understanding the genetic basis of HSCR and may inform future diagnostic or therapeutic strategies.
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