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Food Science

University of Massachusetts Amherst

2018

Bioactives

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Modulation Of Hepatic Lipid Metabolism By Insecticides And Food Bioactives, Jason Yang Oct 2018

Modulation Of Hepatic Lipid Metabolism By Insecticides And Food Bioactives, Jason Yang

Doctoral Dissertations

Recent studies reported the positive association between exposure to insecticides and increased risks of obesity and type 2 diabetes, which is closely associated with non- alcoholic fatty liver disease (NAFLD). However, the effect of insecticide exposure on NAFLD remains unknown. Therefore, this project investigated the roles of insecticide exposure in the development of NAFLD using HepG2 hepatocytes. First, 12 insecticides were tested for their effects on triglycerides (TG) accumulation and interactions with palmitic acid (PA), which induces steatosis. Among tested insecticides, permethrin and ivermectin significantly altered TG accumulation and interacted with PA. Further mechanistic studies showed that permethrin promoted lipogenesis …