Non-alcoholic fatty liver disease: An overview of risk factors, pathophysiological mechanisms, diagnostic procedures, and therapeutic interventions
Gerges, Samar H; Sara Abdel Moneim Wahdan; Elsherbiny, Doaa A; El-Demerdash, Ebtehal;
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a disorder of excessive fat accumulation in the liver, known as steatosis, without alcohol overconsumption. NAFLD can either manifest as simple steatosis or steatohepatitis, known as non-alcoholic steatohepatitis (NASH), which is accompanied by inflammation and possibly fibrosis. Furthermore, NASH might progress to hepatocellular carcinoma. NAFLD and NASH prevalence is in a continuous state of growth, and by 2018, NAFLD became a devastating metabolic disease with a global pandemic prevalence. The pathophysiology of NAFLD and NASH is not fully elucidated, but is known to involve the complex interplay between different metabolic, environmental, and genetic factors. In addition, unhealthy dietary habits and pre-existing metabolic disturbances together with other risk factors predispose NAFLD development and progression from simple steatosis to steatohepatitis, and eventually to fibrosis. Despite their growing worldwide prevalence, to date, there is no FDA-approved treatment for NAFLD and NASH. Several off-label medications are used to target disease risk factors such as obesity and insulin resistance, and some medications are used for their hepatoprotective effects. Unfortunately, currently used medications are not sufficiently effective, and research is ongoing to investigate the beneficial effects of different drugs and phytochemicals in NASH. In this review article, we outline the different risk factors and pathophysiological mechanisms involved in NAFLD, diagnostic procedures, and currently used management techniques.
Other data
Title | Non-alcoholic fatty liver disease: An overview of risk factors, pathophysiological mechanisms, diagnostic procedures, and therapeutic interventions | Authors | Gerges, Samar H; Sara Abdel Moneim Wahdan ; Elsherbiny, Doaa A; El-Demerdash, Ebtehal | Keywords | Adipose tissue;Diagnosis;Fibrosis;Insulin resistance;Management;Non-alcoholic steatohepatitis;Steatosis | Issue Date | 15-Apr-2021 | Publisher | PERGAMON-ELSEVIER SCIENCE LTD | Journal | Life Sciences | ISSN | 0024-3205 | DOI | 10.1016/j.lfs.2021.119220 | PubMed ID | 33592199 | Scopus ID | 2-s2.0-85101355550 | Web of science ID | WOS:000626600400039 |
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