Abstract 2007: Neurolysin: A novel architect of the prostate cancer microenvironment and therapeutic resistance
Cancer Research(2024)
摘要
Abstract Introduction: Prostate cancer is the second leading cause of cancer-related death in American men, primarily driven by its ability to evade therapeutic interventions. This study uncovers a novel paradigm where neurolysin, a peptidase previously ascribed to neuronal function, orchestrates the tumor microenvironment (TME) by interfacing with cellular motor proteins. This interaction precipitates a series of events that not only fortify the cancer cells' survival but also underpin the resistance to antiandrogen therapies. Experimental Procedures: We deployed advanced prostate cancer models to delve into the extra-neuronal influence of neurolysin, probing its role in the orchestration of the TME. An exhaustive suite of transcriptomic and proteomic analyses, complemented by comprehensive patient cohort studies, laid the foundation for unraveling the complex interplay between neurolysin, motor proteins, and the TME dynamics. Results: Our data elucidates that neurolysin's depletion correlates with an altered TME, conducive to cancer proliferation and resilience against targeted therapies. This shift is mediated through neurolysin's interaction with cellular motor proteins, a liaison that appears to be a cornerstone in TME modulation. A significant subset of prostate cancer cases exhibits a neurolysin deficiency, paralleling more aggressive disease and therapeutic defiance, highlighting its role as a critical biomarker and a novel target for intervention. Conclusions: Neurolysin steps into the limelight as a pivotal modulator of the TME, operating through mechanisms distinct from its known neuronal functions. Its interplay with motor proteins opens a novel avenue in prostate cancer biology, providing a unique perspective on the regulation of the TME and subsequent therapeutic resistance. Targeting this newly discovered regulatory axis presents a promising therapeutic strategy that could potentially redefine the clinical approach to managing prostate cancer and may have implications for other malignancies driven by similar TME alterations. Citation Format: Choushi Wang, Ping Mu. Neurolysin: A novel architect of the prostate cancer microenvironment and therapeutic resistance [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 2007.
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