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Overview
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PAR1 selective agonist.
TFLLR-NH2 is a peptide derived from the protease activated receptor 1 (PAR1) that acts as a PAR1 selective agonist, with an EC50 of 1.9 μM. TFLLR-NH2 is widely used to activate platelets and has also been shown to elicit scratching in mice. Platelet activation of SW620 colon cancer cells with TFLLR-NH2 triggers TGF-? secretion, which induces epithelial-mesenchymal transition (EMT) through the downregulation of miR-200b expression. Activated platelets have a chemotactic effect on colon cancer cells mediated by the upregulation of CXCR4 on the cell surface.
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Overview