Researchers Find Drug Combination Capable of Suppressing Late-Stage Prostate Cancer Growth

Researchers Find Drug Combination Capable of Suppressing Late-Stage Prostate Cancer Growth
shutterstock_223018186A recent study published in the Journal of Biological Chemistry showed that a specific combination of drugs can effectively suppress the growth of late-stage prostate cancer. The study is entitled “Inhibition of Polo-like Kinase 1 (Plk1) Enhances the Antineoplastic Activity of Metformin in Prostate Cancer”. Prostate cancer is the second most common cancer among men in the U.S. It is curable, but there are limitations in the treatment of late-stage prostate cancers. Suppression of the male sex hormone – androgen – is one of current treatment therapies applied in prostate cancer patients; this treatment is known as castration. However, in certain situations, castration can result in a more robust cancer, as it has the capacity to enhance oxidative stress within the prostate, increasing the expression of the Plk1 (Polo-like kinase 1) gene and, subsequently, androgen production. Over-expression of the Plk1 gene has been observed in several cancers. “The goal of castration is to block androgen synthesis,” explained the study’s lead author Dr. Xiaoqi Liu in a news release. “
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