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  • Title: Penfluridol: An antipsychotic agent suppresses lung cancer cell growth and metastasis by inducing G0/G1 arrest and apoptosis.
    Author: Xue Q, Liu Z, Feng Z, Xu Y, Zuo W, Wang Q, Gao T, Zeng J, Hu X, Jia F, Zhu Y, Xia Y, Yu L.
    Journal: Biomed Pharmacother; 2020 Jan; 121():109598. PubMed ID: 31733572.
    Abstract:
    Lung cancer remains the leading cause of cancer mortality because of highly malignant and metastatic potential. The current status of lung cancer treatment is limited, and more treatment options are needed. Interesting, antipsychotic drugs have been reported to show anti-cancer effects. In this present study, we investigated the anticancer potential of penfluridol (PF), an anti-schizophrenic drug, in lung cancer and its underlying mechanism in vitro and in vivo. In vitro, it could inhibit the viability of various lung cancer cells with G0/G1 phase arrest via increasing the expression level of p21/p27 and decreasing the expression levels of cyclin-CDK complex. Meanwhile, cell-cycle arrest causes DNA repair in the nucleus, which was associated with the upregulation of H2A.X and p-H2A.X. Moreover, PF could also decrease mitochondrial membrane potential and increase reactive oxygen species levels in the lung cancer cells. These results implied that PF might induce the mitochondria-mediated intrinsic apoptosis. In addition, PF inhibits the migration and invasion of lung cancer cells via downregulation of FAK-MMP signaling. In vivo, oral administration of PF at concentration of 10 mg/kg inhibited tumor growth in A549 xenograft model. Notably, PF is an approved drug and the price is exceedingly cheap, so this study demonstrates the potential of PF to treat lung cancer.
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