Đánh giá sự biểu hiện của các gen tự thực (autophagy) trong quá trình hoạt hóa in vitro của các tế bào hình sao từ gan chuột

This study aims to evaluate the expression level of autophagy genes during the activation of mouse hepatic stellate cells (HSCs) in vitro. The HSCs isolated f-rom the mouse liver were cultured in vitro for 7 days. The activation of HSCs was evaluated by their morphology, the storage of lipid d-roplets by oil red O (ORO) staining, the expression of activation-related genes α-sma, collagen I, and quiescence-related gene lrat by qRT PCR and ICC staining (α-SMA). The expression of autophagy genes lc3b, beclin 1, atg12 were assessed by qRT PCR and ICC staining (LC3). The results showed that the isolated HSCs were activated after 3 days and 7 days of the culture in vitro. The activation was indicated by the morphological change of HSCs to myofibroblast-like cells, loss of lipid d-roplets, and increased expression of fibrotic genes α-sma and collagen I, decreased expression of lrat. Additionally, the expression of autophagy genes lc3b, beclin 1, and atg12 were significantly increased in the activated HSCs after the culture in vitro for 3 and 7 days. This study contributes the preliminary results to further studies on the role of autophagy during the activation of HSCs, which may be exploited for the development of the antifibrotic therapy targeting autophagy.