期刊
EXPERT REVIEW OF GASTROENTEROLOGY & HEPATOLOGY
卷 11, 期 4, 页码 371-382出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17474124.2017.1291340
关键词
NAFLD; pediatric; oxidative stress; mitochondrial dysfunction; lipotoxicity; steatohepatitis
资金
- National Institute for Health Research [ACF-2014-14-011] Funding Source: researchfish
Introduction: Oxidative stress is central to the pathogenesis of non-alcoholic steatohepatitis. The reactive oxygen species (ROS) that characterise oxidative stress are generated in several cellular sites and their production is influence by multi-organ interactions. Areas covered: Mitochondrial dysfunction is the main source of ROS in fatty liver and is closely related to endoplasmic reticulum stress. Both are caused by lipotoxicity and together these three factors form a cycle of progressive organelle damage, resulting in sterile inflammation and apoptosis. Adipose tissue inflammation and intestinal dysbiosis provide substrates for ROS formation and trigger immune activation. Obstructive sleep apnea and abnormal divalent metal metabolism may also play a role. Expert commentary: The majority of available high-quality data originates from studies in adults and there are fewer therapeutic trials performed in pediatric cohorts, therefore conclusions are generalised to children. Establishing the role of organelle interactions, and its relationship with oxidative stress in steatohepatitis, is a rapidly evolving area of research.
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