Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 30, Issue 4, Pages 270-281Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tem.2019.02.005
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- Vaxine Pty Ltd.
- Mylexa Pty Ltd.
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Hepatic steatosis, the first step in nonalcoholic fatty liver disease (NAFLD), can arise from various pathophysiological conditions. While lipid metabolism in the liver is normally balanced such that there is no excessive lipid accumulation, when this homeostasis is disrupted lipid droplets (LDs) accumulate in hepatocytes resulting in cellular toxicity. The mechanisms underlying this accumulation and the subsequent hepatocellular damage are multifactorial and poorly understood, with the result that there are no currently approved treatments for NAFLD. Impaired calcium signaling has recently been identified as a cause of increased endoplasmic reticulum (ER) stress contributing to hepatic lipid accumulation. This review highlights new findings on the role of impaired Ca2+ signaling in the development of steatosis and discusses potential new approaches to NAFLD treatment based on these new insights.
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