인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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논문 기본 정보
- 저자정보
피인용 0
초록·키워드
Purpose: Tumor necrosis factor-α (TNF-α) polymorphism has been suggested to play an important role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD) in obese adults, and known to be a mediator of insulin resistance. In this study, we evaluated the role of TNF-α promoter polymorphisms and insulin resistance in the development of NAFLD in obese children. Methods: A total of 111 obese children (M：F=74：37; mean age, 11.1±2.0 yrs) were included. The children were divided into 3 groups: controls (group I, n=61), children with simple steatosis (group II, n=17), and children with non-alcoholic steatohepatitis (group III, n=33). Serum TNF-α levels, homeostasis model assessment of insulin resistance (HOMA-IR), and TNF-α -308 and -238 polymorphisms were evaluated. Results: There were no differences in TNF-α polymorphism at the -308 or the -238 loci between group I and group II + III (p=0.134 and p=0.133). The medians of HOMA-IR were significantly different between group I and group II + III (p=0.001), with significant difference between group II and group III (p=0.007). No difference was observed in the HOMA-IR among the genotypes at the -308 locus (p=0.061) or the -238 locus (p=0.207) in obese children. Conclusion: TNF-α promoter polymorphisms at the -308 and -238 loci were not significantly associated with the development of NAFLD in children; nevertheless, insulin resistance remains a likely essential factor in the pathogenesis of NAFLD in obese children, especially in the progression to NASH.
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