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Explore the complex relationship between cellular senescence and cancer development in this comprehensive medical lecture from Yale Cancer Center Grand Rounds. Delve into cutting-edge research on how senescent cells contribute to tumor formation, progression, and therapeutic resistance while examining novel therapeutic strategies that target senescence pathways in cancer treatment. Learn about the dual role of senescence as both a tumor suppressor mechanism and a promoter of cancer progression, including how senescent cells create inflammatory microenvironments that can fuel malignancy. Discover current clinical approaches and emerging therapies that exploit senescence vulnerabilities, including senolytic drugs and immunotherapies designed to eliminate senescent cells. Examine the molecular mechanisms underlying senescence-associated secretory phenotypes and their impact on neighboring cells in the tumor microenvironment. Gain insights into biomarkers for identifying senescent cells in clinical settings and understand the challenges and opportunities in developing senescence-targeted cancer therapies. Review case studies and clinical trial data demonstrating the therapeutic potential of targeting senescence in various cancer types, while considering the balance between eliminating harmful senescent cells and preserving beneficial senescence responses that prevent tumor initiation.
