In Vitro Experiment Present ROCK2 Inhibition Promotes the Therapeutic of Bevacizumab in Treatment of Glioblastoma Multiforme

胶质母细胞瘤 体外 贝伐单抗 癌症研究 医学 化学 化疗 内科学 生物化学
作者
Jun Lai,Xiaojing Zhang,Kaixin Liang
出处
期刊:Clinical Neuropharmacology [Ovid Technologies (Wolters Kluwer)]
标识
DOI:10.1097/wnf.0000000000000613
摘要

Objective Gliomas are a general designation for neuroepithelial tumors derived from the glial cells of the central nervous system. According to the histopathological and immunohistochemical features, the World Health Organization classifies gliomas into four grades. Bevacizumab is a monoclonal antibody targeting vascular endothelial growth factor that has been approved for the treatment of glioblastoma multiforme (GBM) as a second-line therapy. However, its efficacy remains limited. Rho/Rho-associated kinase (ROCK) is a downstream molecule of small guanosine triphosphatases (GTPases) that regulates multiple cellular processes, including motility, migration, and proliferation. Thus, ROCK has been regarded as a therapeutic target for cardiovascular diseases, neurological diseases, immune diseases, and cancer, and ROCK inhibitors have high potential clinical value. Methods Viability rate of cells was detected using MTT assay, and apoptosis of cells was detected using FACS. Expression of target genes and proteins was detected using qPCR and western blotting analysis. Concentration of cytokines was detected using ELISA methods. Results Viability and migration of GBM cells were reduced after bevacizumab treatment and that these effects were enhanced by ROCK2 inhibition. We further found that ROCK2 inhibition promoting the effect of bevacizumab was mainly mediated by the RhoA/ROCK2 pathway, further inducing apoptosis in GBM cells. In addition, we found that angiogenesis and degradation of cellular matrix-related cytokines were reduced by ROCK2 inhibition. Conclusions ROCK2 inhibition contributes to the therapeutic effects of bevacizumab.

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