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http://dx.doi.org/10.1016/j.jhep.2024.08.017 | DOI Listing |
Background & Aims A hallmark of metabolic dysfunction-associated steatotic liver disease (MASLD) is a decline in the ability of hepatocyte mitochondria to adapt to excess lipid. This leads to the production of reactive oxygen species (ROS) and the instigation of a vicious cycle of further mitochondrial damage and cellular dysfunction that promotes disease progression. In this study, we investigated whether induced pluripotent stem cells (iPSCs) from MASLD patients exhibit features of mitochondrial dysfunction when differentiated to hepatocyte-like cells (iPSC-Heps).
View Article and Find Full Text PDFClin Exp Gastroenterol
August 2025
Biomedical Research Center, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam.
Background: Non-alcoholic fatty liver disease (NAFLD) is an increasing public health concern in Vietnam, particularly among working-age adults (18-60 years). The rs738409 variant (C>G) is a well-established risk factor for NAFLD globally; however, its impact on the Vietnamese population remains inadequately studied. This study investigates its association with NAFLD risk and its interaction with metabolic factors.
View Article and Find Full Text PDFClin Exp Hepatol
June 2025
National Liver Institute, Menofia University, Egypt.
Aim Of The Study: One of the main causes of cancer-related death worldwide is hepatocellular carcinoma (HCC), which is significantly common in Egypt because of the high prevalence of hepatitis C virus (HCV) infection. The development of HCC has been linked to genetic variations in the (rs58542926) and (rs738409) genes. The aim of this study was to assess PNPLA3 and TM6SF2 genetic variants as risk factors for HCC in Egyptian patients with chronic HCV disease.
View Article and Find Full Text PDFNucleic Acid Ther
September 2025
Translational Safety & Risk Sciences, Amgen, Inc, Thousand Oaks, California, USA.
The single nucleotide polymorphism, rs738409, is the strongest known genetic risk factor for metabolic dysfunction-associated steatotic liver disease; thus, targeting the minor allele with a GalNAc-conjugated siRNA is an attractive strategy to treat patients carrying the genetic variant. To enable translational safety assessment of a GalNAc-conjugated siRNA that specifically targets the rs738409 sequence of , a transgenic human knock-in mouse (hu) was utilized. This model showed no significant genotype-related phenotypic differences to wild-type mice in a phenotype characterization study when maintained on standard rodent chow.
View Article and Find Full Text PDFbioRxiv
August 2025
Cell Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
Numerous metabolic enzymes translocate from the ER membrane bilayer to the lipid droplet (LD) monolayer, where they perform essential functions. Mislocalization of certain LD-targeted membrane proteins, including HSD17B13 and PNPLA3, is implicated in metabolic dysfunction-associated steatotic liver disease (MASLD). However, the mechanisms governing the trafficking and accumulation of ER proteins on LDs remain poorly understood.
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