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SMU127 is an agonist of the toll-like receptor 1/2 (TLR1/2) heterodimer.1 It induces NF-κB signaling in cells expressing human TLR2 (EC50 = 0.55 μM) but not cells expressing human TLR3, -4, -5, -7, or -8 when used at concentrations ranging from 0.1 to 100 μM. SMU127 induces the production of TNF-α in isolated human peripheral blood mononuclear cells (PBMCs) when used at concentrations ranging from 0.01 to 1 μM. In vivo, SMU127 (0.1 mg/animal) reduces tumor volume in a 4T1 murine mammary carcinoma model.

1.Chen, Z., Cen, X., Yang, J., et al.Structure-based discovery of a specific TLR1-TLR2 small molecule agonist from the ZINC drug library databaseChem. Commun. (Camb.)54(81)11411-11414(2018)

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