Abstract
Abstract Mutated genes as drug targets to treat cancer are a widely known concept; however, the effect is moderate. Targeting nonmutated genes is an alternative and probably has potential to benefit patients. GPR89A, as a nonmutated protein in prostate cancer, was evaluated as a drug target in this project. Data showed that GPR89A knockdown could induce high cancer cell death rate. Combination use of GPR89A siRNA and docetaxel triggered synergism effect, which implicates a possibility that GPR89A inhibitors could be used together with docetaxel. The high-throughput screening discovered 39 drug candidates that could reduce cancer cell viability and GPR89A expression simultaneously. These findings highlight the importance of nonmutated genes in cancer progression. Targeting nonmutated genes, e.g., GPR89A, should be evaluated further to find significant association between these genes/proteins and cancers. Citation Format: Yuanjun Ma, Yanling Liu, Sten Nilsson, Chunde Li. Is non-mutated GPR89A protein a potential drug target in prostate cancer? [abstract]. In: Proceedings of the AACR Special Conference: Prostate Cancer: Advances in Basic, Translational, and Clinical Research; 2017 Dec 2-5; Orlando, Florida. Philadelphia (PA): AACR; Cancer Res 2018;78(16 Suppl):Abstract nr A056.
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