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Foie gras and liver regeneration: a fat dilemma
Maria Agnese Della Fazia and Giuseppe Servillo
The liver has a unique ability of regenerating after injuries or partial loss of its mass. The mechanisms responsible for liver regeneration – mostly occurring when the hepatic tissue is damaged or functionally compromised by metabolic stress – have been studied in considerable detail over the last few decades, because this phenomenon has both basic-biology and clinical relevance. More specifically, recent interest has been focusing on the widespread occurrence of abnormal nutritional habits in the Western world that result in an increased prevalence of non-alcoholic fatty liver disease (NAFLD). NAFLD is closely associated with insulin resistance and dyslipidemia, and it represents a major clinical challenge. The disease may progress to steatohepatitis with persistent inflammation and progressive liver damage, both of which will compromise regeneration under conditions of partial hepatectomy in surgical oncology or in liver transplantation procedures. Here, we analyze the impact of ER stress and SIRT1 in lipid metabolism and in fatty liver pathology (…)
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