A New Way to Target Resistant Prostate Cancer Cells

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23d ago 5:14

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Prostate cancer is the second most diagnosed cancer among men worldwide and remains a leading cause of cancer-related death. While early forms of the disease can usually be treated successfully, advanced cases remain a major challenge. Scientists have now discovered a new potential way to slow the growth of advanced, treatment-resistant prostate cancer. These results were recently published in Volume 16 of Oncotarget by researchers from the University of Cincinnati College of Medicine. Understanding Advanced Prostate Cancer Early-stage prostate cancer can often be treated successfully. Most treatments work by lowering testosterone levels or blocking the hormone from activating the androgen receptor (AR), which drives cancer growth. In some patients, however, the disease progresses to castration-resistant prostate cancer (CRPC). Even with drastic reductions in testosterone levels, the tumors continue to grow at this stage. CRPC is much more difficult to treat, and current therapies such as hormone blockers or chemotherapy typically extend life by only a few months. One reason for this resistance is that cancer cells often switch to a different form of the androgen receptor called AR-V7. This variant remains permanently active, even without testosterone, making hormone-based drugs less effective. Because of this, new treatment strategies that work independently of hormone levels are needed. The Study: Targeting a New Weakness in Prostate Cancer Cells In the study titled “Targeting PCNA/AR interaction inhibits AR-mediated signaling in castration resistant prostate cancer cells,” researchers Shan Lu and Zhongyun Dong from the University of Cincinnati College of Medicine investigated a new way to block CRPC growth. Full blog - https://www.oncotarget.org/2025/07/29/a-new-way-to-target-resistant-prostate-cancer-cells/ Paper DOI - https://doi.org/10.18632/oncotarget.28722 Correspondence to - Zhongyun Dong - [email protected] Video short - https://www.youtube.com/watch?v=fiJWZ_fKxgs Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28722 Subscribe for free publication alerts from Oncotarget - https://www.oncotarget.com/subscribe/ Keywords - cancer, PCNA, androgen receptor, PCNA inhibitors, AR splicing variants, CRPC To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: Facebook - https://www.facebook.com/Oncotarget/ X - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/@OncotargetJournal LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Spotify - https://open.spotify.com/show/0gRwT6BqYWJzxzmjPJwtVh [email protected]

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