Tapinarof (GSK2894512, Benvitimod, WBI 1001, DHPS, DMVT 505) is a natural agonist of aryl hydrocarbon receptor (AhR) and induces nuclear translocation of AhR in immortalized keratinocytes (HaCaT) with EC50 of 0.16 nM. Tapinarof induces cellular apoptosis
Storage Temp
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
Grade
Moligand™
Action Type
AGONIST
Mechanism of action
Aryl hydrocarbon receptor agonist
Product Description
Information
Tapinarof Tapinarof (GSK2894512, Benvitimod, WBI 1001, DHPS, DMVT 505) is a natural agonist of aryl hydrocarbon receptor (AhR) and induces nuclear translocation of AhR in immortalized keratinocytes (HaCaT) with EC50 of 0.16 nM. Tapinarof induces cellular apoptosis in CD4+ T cells in a dosedependent manner with IC50 of 5.2 μM.
Targets
AhR (in immortalized keratinocytes); apoptosis (in CD4+ T cells) 0.16 nM(EC50); 5.2 μM
In vitro
Tapinarof binds and activates AhR in multiple cell types, including cells of the target tissue –human skin. In addition, tapinarof moderates proinflammatory cytokine expression in stimulated peripheral blood CD4+ T cells and ex vivo human skin, and impacts barrier gene expression in primary human keratinocytes; both of these processes are likely to be downstream of AhR activation based on current evidence.
In vivo
The anti-inflammatory properties of tapinarof derive from AhR agonism is conclusively demonstrated using the mouse model of imiquimod-induced psoriasiform skin lesions. Topical treatment of AhR-sufficient mice with tapinarof leads to compound-driven reductions in erythema, epidermal thickening and tissue cytokine levels. In contrast, tapinarof has no impact on imiquimod-induced skin inflammation in AhR-deficient mice.
1.Bissonnette R, Bolduc C, Maari C, Nigen S, Webster JM, Tang L, Lyle M. (2012) Efficacy and safety of topical WBI-1001 in patients with mild to moderate psoriasis: results from a randomized double-blind placebo-controlled, phase II trial.. J Eur Acad Dermatol Venereol, 26 (12):(1516-21). [PMID:22077962]
2.Smith SH, Jayawickreme C, Rickard DJ, Nicodeme E, Bui T, Simmons C, Coquery CM, Neil J, Pryor WM, Mayhew D et al.. (2017) Tapinarof Is a Natural AhR Agonist that Resolves Skin Inflammation in Mice and Humans.. J Invest Dermatol, 137 (10):(2110-2119). [PMID:28595996]
3.Lebwohl MG, Stein Gold L, Strober B, Papp KA, Armstrong AW, Bagel J, Kircik L, Ehst B, Hong HC, Soung J et al.. (2021) Phase 3 Trials of Tapinarof Cream for Plaque Psoriasis.. N Engl J Med, 385 (24):(2219-2229). [PMID:34879448]
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F23061212