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An Advanced Murine Model for Nonalcoholic Steatohepatitis in Association with Type 2 Diabetes
Published on: April 26, 2019
Genetic and epigenetic factors determining NAFLD risk
Wenke Jonas1, Annette Schürmann2
1Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee 114-116, D-14558, Nuthetal, Germany; German Center for Diabetes Research (DZD), Ingolstädter Landstraße 1, D-85764, München-Neuherberg, Germany.
Genetic and epigenetic factors influence fatty liver disease (NAFLD) development and progression. Current risk scores need improvement for better patient stratification in NAFLD management.
Area of Science:
- Genetics and Epigenetics
- Hepatology
- Metabolic Diseases
Background:
- Hepatic steatosis, a precursor to NAFLD, can advance to severe liver conditions like NASH, fibrosis, cirrhosis, and hepatocellular carcinoma.
- NAFLD is linked to secondary diseases including cardiovascular disease and type 2 diabetes.
- Genetic and epigenetic factors, alongside lifestyle, contribute to NAFLD pathogenesis.
Purpose of the Study:
- To review the genetic and epigenetic landscape of nonalcoholic fatty liver disease (NAFLD).
- To assess the utility of genetic and epigenetic factors as risk markers for NAFLD.
- To evaluate the applicability of current risk scores for NAFLD patient stratification.
Main Methods:
- Genome-wide association studies (GWAS) to identify disease-relevant gene polymorphisms.
- Functional studies in rodent models.
- Analysis of DNA methylation and microRNA (miRNA)-mediated gene regulation.
Main Results:
- Identification of specific gene polymorphisms associated with NAFLD.
- Characterization of epigenetic alterations, including DNA methylation and miRNA dysregulation.
- Evaluation of the current status of genetic and epigenetic risk markers.
Conclusions:
- Genetic and epigenetic factors play a significant role in NAFLD development and progression.
- Existing risk scores require enhancement to improve usability and meaningfulness in clinical risk stratification.
- Further research is necessary to refine risk assessment tools for NAFLD.
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