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- W3206737108 abstract "Tranexamic Acid (TA) is a clinically used antifibrinolytic that acts as a lysine mimetic to block binding of Plasminogen with Plasminogen activators, preventing conversion of Plasminogen to its proteolytically activated form, Plasmin. Previous studies suggested that TA may exhibit anticancer activity by blockade of extracellular Plasmin formation. Plasmin-mediated cleavage of the CDCP1 protein may increase its oncogenic functions through several downstream pathways. Results presented herein demonstrate that TA blocks Plasmin-mediated excision of the extracellular domain of the oncoprotein CDCP1. In vitro studies indicate that TA reduces the viability of a broad array of human and murine cancer cell lines, and breast tumor growth studies demonstrate that TA reduces cancer growth in vivo. Based on the ability of TA to mimic lysine and arginine, we hypothesized that TA may perturb multiple processes that involve Lys/Arg-rich protein sequences, and that TA may alter intracellular signaling pathways in addition to blocking extracellular Plasmin production. Indeed, TA-mediated suppression of tumor cell viability is associated with multiple biochemical actions, including inhibition of protein synthesis, reduced activating phosphorylation of STAT3 and S6K1, decreased expression of the MYC oncoprotein, and suppression of Lys acetylation. These findings suggest that TA or TA analogs may serve as lead compounds and inspire the production of new classes of anticancer agents that function by mimicking Lys and Arg." @default.
- W3206737108 created "2021-10-25" @default.
- W3206737108 creator A5014754069 @default.
- W3206737108 creator A5020449422 @default.
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- W3206737108 creator A5034964208 @default.
- W3206737108 creator A5036588698 @default.
- W3206737108 creator A5037060910 @default.
- W3206737108 creator A5037116125 @default.
- W3206737108 creator A5066902085 @default.
- W3206737108 creator A5074199486 @default.
- W3206737108 creator A5086844682 @default.
- W3206737108 date "2021-10-17" @default.
- W3206737108 modified "2023-09-27" @default.
- W3206737108 title "Repurposing Tranexamic Acid as an Anticancer Agent" @default.
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