Bioactivity | Palmatine hydroxide is an orally active and irreversible indoleamine 2,3-dioxygenase 1 (IDO-1) inhibitor with IC50s of 3 μM and 157μM against HEK 293-hIDO-1 and rhIDO-1, respectively. Palmatine hydroxide can also inhibit West Nile virus (WNV) NS2B-NS3 protease in an uncompetitive manner with an IC50 of 96 μM. Palmatine hydroxide shows anti-cancer, anti-oxidation, anti-inflammatory, neuroprotection, antibacterial, anti-viral activities[1][2][3][4][5]. | ||||||||||||
Invitro | Palmatine (0-100 μM; 42 h) suppresses WNV with an EC50 value of 3.6 μM, and reduce the viral titers of DENV-2 and YFV with EC50 values of 26.4 μM and 7.3 μM, respectively[3].Palmatine (0-1128 μM; 24-72 h) inhibits colon cancer cell proliferation[5].Palmatine (0-704 μM; 24 h) reduces AURKA protein levels, induces G2/M phase arrest, and induces apoptosis in colon cancer cells via the mitochondrial associated pathway[5]. Cell Proliferation Assay[5] Cell Line: | ||||||||||||
Name | Palmatine hydroxide | ||||||||||||
CAS | 131-04-4 | ||||||||||||
Formula | C21H23NO5 | ||||||||||||
Molar Mass | 369.41 | ||||||||||||
Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
Storage |
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