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- W4281390314 abstract "Hepatocellular carcinoma (HCC) is a common cause a cancer-related death. Focal adhesions (FAs) represent multiprotein complexes at integrin-mediated cell-extracellular matrix adhesion sites that orchestrate vital cellular functions. The heterotrimeric ILK-PINCH-PARVB (IPP) complex, RSU1, a PINCH binding protein and CTEN, a member of the tensin family of proteins exert a critical role in FAs, where they regulate important cancer related functions such as cell adhesion, migration, proliferation and survival. Previous studies implicate these FA proteins in liver pathophysiology but their detailed role in human HCC is not fully understood. Here in we investigated expression and function of IPP, RSU1 and CTEN in human HCC.The expression of focal adhesion proteins was studied in human HCC by immunohistochemistry in relation to clinicopathological parameters, previous studied genomic instability markers and patient's survival. Effects on cell proliferation and FA proteins expression upon ILK inhibition and RSU1 silencing were also investigated in HCC in vitro.IPP complex and CTEN proteins are overexpressed while RSU1 expression is decreased in human HCC. CTEN expression correlates with reduced patients' survival while RSU1 represents an independent favorable prognostic indicator in human HCC. Nuclear ILK expression correlates with markers of genomic instability. Pharmacological targeting of ILK suppresses, while RSU1 silencing promotes cell growth of HCC cells in vitro, while in both experimental conditions expression and/or localization of focal adhesion proteins is deregulated.Our results suggest that FA signaling is implicated in hepatocellular carcinogenesis with prognostic significance. RSU1 seems to exert tumor suppressive functions in HCC and represents a novel favorable prognostic indicator." @default.
- W4281390314 created "2022-05-25" @default.
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- W4281390314 date "2022-07-01" @default.
- W4281390314 modified "2023-09-30" @default.
- W4281390314 title "Focal adhesion proteins in hepatocellular carcinoma: RSU1 a novel tumour suppressor with prognostic significance" @default.
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- W4281390314 doi "https://doi.org/10.1016/j.prp.2022.153950" @default.
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