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J Genet Genomics. 2013 Jan 20;40(1):15-22. doi: 10.1016/j.jgg.2012.12.001. Epub 2012 Dec 26.

Genetics of nonalcoholic Fatty liver disease: an overview.

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Institute of Genetics and Hospital for Genetic Diseases, Osmania University, Begumpet, Hyderabad, India.


Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease in the world today. Its incidence in adults and children is rising rapidly due to the ongoing epidemics of obesity and type 2 diabetes. Hence, it has become a global public health issue. Environmental factors have been found to play a major role in the etiology of NAFLD, especially for genetically susceptible populations. Among these, one of the most important factors is junk food, especially the typical "Western-style" diet rich in simple carbohydrates, saturated fat, and highly processed food materials. Genetic predisposition to NAFLD does occur; however, a precise definition of genetic factors responsible for NAFLD is still lacking. Specific variants of different genes have been shown to present a risk for NAFLD. Genetic studies might be helpful in the management of the disease by developing novel treatment strategies based on individual's genotype.

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