Impact of endocrine disruptors on key events of hepatic steatosis in HepG2 cells.

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Tác giả: Pavel Babica, Marina F Grosso, Eliška Řehůřková, Iva Sovadinová, Eliška Sychrová, Ishita Virmani

Ngôn ngữ: eng

Ký hiệu phân loại: 940.454 Events of 1914

Thông tin xuất bản: England : Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 496445

 Endocrine-disrupting chemicals (EDCs) may contribute to the rising incidence of metabolic dysfunction-associated steatotic liver disease (MASLD). We investigated the potential of 10 environmentally relevant EDCs to affect key events of hepatic steatosis in HepG2 human hepatoblastoma cells. Increased lipid droplet formation, a key marker of steatosis, was induced by PFOA, bisphenol F, DDE, butylparaben, and DEHP, within the non-cytotoxic concentration range of 1 nM-25 μM. Cadmium also induced this effect, but at concentrations impairing cell viability (>
 1 μM). At non-cytotoxic concentrations, these compounds, along with bisphenol A, dysregulated major genes controlling lipid homeostasis. Cadmium, PFOA, DDE, and DEHP significantly upregulated the DGAT1 gene involved in triglyceride synthesis, while butylparaben increased the expression of the FAT/CD36 gene responsible for fatty acid uptake. Bisphenol A downregulated the CPT1A gene involved in fatty acid oxidation. No significant effects on lipid droplet accumulation or lipid metabolism-related genes were observed for PFOS, bisphenol S, and dibutyl phthalate. Among the tested EDCs, lipid accumulation positively correlated with the expression of SREBF1, DGAT1, and CPT1A. These findings provide additional evidence that EDCs can affect MASLD and highlight the utility of in vitro methods in the screening of EDCs with hazardous steatogenic and metabolism-disrupting properties.
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