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Acetyl-CoA Acetyltransferase 1 Enhances Malignant Progression of Prostate Cancer Cells through Activation of the Wnt/β-Catenin Pathway
Vol 37, Issue 8, 2023
Abstract
Background: Prostate cancer (PC) is common among the elderly and significantly impacts their quality of life. This study aims to explore the role of acetyl-CoA acetyltransferase 1 (ACAT1) in the cellular process of PC cells and the interplay of ACAT1 and the Wnt/β-catenin pathway. Methods: Initially, we assessed the expression level of ACAT1 in normal and PC cells using quantitative reverse transcription polymerase chain reaction (qRT-PCR) and Western blot analysis. Subsequently, after transfection with ACAT1 overexpression plasmid or siACAT1, we conducted a series of functional assays, including cell counting kit-8 (CCK-8), Transwell and flow cytometry, to evaluate the biological behaviors of PC-3 cells. qRT-PCR and Western blot were selected to determine expressions of apoptosis-related proteins, Wnt/β-catenin and its downstream genes. Later, PC-3 cells received treatment with FH535 or LiCl and transfection with ACAT1 overexpression plasmid/siACAT1, after which the cells biological behaviors were determined again. Results: ACAT1 was expressed more in PC cells than in RWPE-1 cells (p < 0.001). Overexpressed ACAT1 exerted the effects of potentiating cell proliferation, migration and invasion and suppressing cell apoptosis (p < 0.001). Also, under the inducement of overexpressed ACAT1, levels of B cell lymphoma-2 (Bcl-2) and Wnt/β-catenin signaling and its downstream genes were elevated, while those of Bcl-2-associated X protein (Bax) and cleaved caspase-3 were repressed (p < 0.001). However, ACAT1 knockdown produced inverse results (p < 0.001). FH535 treatment repressed ACAT1 overexpression-induced proliferation, migration and invasion, while LiCl treatment reversed the negative effects of ACAT1 silencing (p < 0.001). Conclusions: ACAT1 enhances the biological functions of PC cells by modulating the Wnt/β-catenin signaling pathway and its downstream genes.
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Copyright (c) 2023 Yongliang Ma, Zongtao Ren, Shufei Wei, Pan Qi, Aili Zhang
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Medical Genetics, University of Torino Medical School, Italy

Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy