4-[(3-Chloro-4-fluorophenyl)amino]-6-[(3-pyridinylmethyl)amino]-1,7-naphthyridine-3-carbonitrile

Tpl2 kinase inhibitor is an inhibitor of tumor progression locus 2 (Tpl2; IC₅₀ = 0.05 μM). It is selective for Tpl2 over MEK, p38 MAPK, Src, MK2, and PKC (IC₅₀s = >40, 180, >400, 110, and >400 μM, respectively). Tpl2 kinase inhibitor inhibits LPS-induced TNF-α production in isolated human monocytes and whole blood (IC₅₀s = 0.7 and 8.5 μM, respectively). It enhances differentiation induced by 1,25-dihydroxy vitamin D₃ (calcitriol; ) in HL-60 and U937 leukemia cells when used at a concentration of 5 μM. Tpl2 kinase inhibitor (5 μM) inhibits the proliferation of KG-1a leukemia cells.

TC-S 7006 is a Tpl2 kinase inhibitor.

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