期刊
GENE
卷 869, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.gene.2023.147390
关键词
HEP-3B; SK-HEP-1; AR signaling; PI3K; AKT; mTOR signaling; Andarine; S4
Hepatocellular carcinoma (HCC) is a major global health problem with poor prognosis. Androgen Receptor (AR) signaling, which affects genes related to cancer characteristics, has been shown to be misregulated in HCC. Targeting AR signaling using a novel Selective Androgen Receptor Modulator (SARM) called S4, significantly impairs HCC growth, migration, proliferation, and induces apoptosis by inhibiting the PI3K/AKT/mTOR signaling pathway. This finding is important as PI3K/AKT/mTOR signaling is frequently activated in HCC and contributes to its aggressiveness and poor prognosis.
Hepatocellular carcinoma (HCC) is a major global health problem that often correlates with poor prognosis. Due to the insufficient therapy options with limited benefits, it is crucial to identify new therapeutic approaches to overcome HCC. One of the vital signaling pathways in organ homeostasis and male sexual development is Androgen Receptor (AR) signaling. Its activity affects several genes that contribute to cancer characteristics and have essential roles in cell cycle progression, proliferation, angiogenesis, and metastasis. AR signaling has been shown to be misregulated in many cancers, including HCC, suggesting that it might contribute to hep-atocarcinogenesis. Targeting AR signaling using anti-androgens, AR inhibitors, or AR-degrading molecules is a powerful and promising strategy to defeat HCC. In this study, AR signaling was targeted by a novel Selective Androgen Receptor Modulator (SARM), S4, in HCC cells to evaluate its potential anti-cancer effect. To date, S4 activity in cancer has not been demonstrated, and our data unrevealed that S4 significantly impaired HCC growth, migration, proliferation, and induced apoptosis through inhibiting PI3K/AKT/mTOR signaling. Since PI3K/AKT/mTOR signaling is frequently activated in HCC and contributes to its aggressiveness and poor prognosis, its negative regulation by the downregulation of critical components via S4 was a prominent finding. Further studies are necessary to investigate the S4 action mechanism and anti-tumorigenic capacity in in-vivo.
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