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β-Carboline-1-carboxylic acid is an alkaloid that has been found in P. quassioides and has diverse biological activities.1,2,3 It reduces LPS-induced increases in MCP-1, TNF-α, IL-6, and IL-1β levels in RAW 264.7 cells when used at a concentration of 15 µg/ml and inhibits the epithelial-to-mesenchymal transition (EMT) induced by TGF-β1 in A549 cells.2 β-Carboline-1-carboxylic acid induces cytotoxicity in CT26.WT, K562, and SGC-7901 cells (IC50s = 14.96, 22.11, and 19.7 µg/ml, respectively) but not HepG2 or A549 cells (IC50s = 36.41 and 41.51 µg/ml, respectively).1 It also inhibits cAMP phosphodiesterase with an IC50 value of 96 µM.3
WARNING This product is not for human or veterinary use.
1. Seven alkaloids from Picrasma quassioides and their cytotoxic activities. Chem. Nat. Compd. 50(5), 884–888 (2014).
2. β-
3. Inhibitors of cyclic AMP phosphodiesterase in Picrasma quassioides BENNET, and inhibitory activities of related β-