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Ann Arbor Times

Saturday, November 23, 2024

JOURNAL OF CLINICAL INVESTIGATION: Senescent T cells within suppressive tumor microenvironments: emerging target for tumor immunotherapy

Tumor

Journal of Clinical Investigation issued the following announcement on March 2.

The functional state of the preexisting T cells in the tumor microenvironment is a key determinant for effective antitumor immunity and immunotherapy. Increasing evidence suggests that immunosenescence is an important state of T cell dysfunction that is distinct from exhaustion, a key strategy used by malignant tumors to evade immune surveillance and sustain the suppressive tumor microenvironment. Here, we discuss the phenotypic and functional characteristics of senescent T cells and their role in human cancers. We also explore the possible mechanisms and signaling pathways responsible for induction of T cell senescence by malignant tumors, and then discuss potential strategies to prevent and/or reverse senescence in tumor-specific T cells. A better understanding of these critical issues should provide novel strategies to enhance cancer immunotherapy.

Original source here.

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