p38α inhibitor 3

p38α inhibitor 3是一种丝裂原活化蛋白激酶P38α的抑制剂，可以有效阻断成肌细胞分化。

Ralimetinib 是一种选择性抑制剂，可阻断 MK2 Thr334 的磷酸化，而不影响 p38α MAPK、JNK、ERK1/2、c-Jun、ATF2 或 c-Myc 的磷酸化。Ralimetinib 作为 p38 MAPK α/β 的 ATP 竞争性抑制剂，其 IC50 值分别为 5.3 和 3.2 nM，可用于抗炎和抗癌的研究。

AMG-548 hydrochloride is an orally active and selective p38α inhibitor (Ki: 0.5 nM) and shows slightly selective over p38β (Ki: 36 nM) and >1000 fold selective against p38γ/p38δ. It is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50: 3 nM).

AMG-548是一种选择性和口服活性的p38α MAPK抑制剂(Ki=0.5 nM)，选择性高于对p38β，p38γ和p38δ，还能够抑制TNFα,CK1δ/ε和Wnt信号通路。

AMG-548 dihydrochloride is an orally active and selective p38α inhibitor (Ki: 0.5 nM) and shows slightly selective over p38β (Ki: 36 nM) and >1000 fold selective against p38γ/p38δ. It is also extremely potent in the inhibition of whole blood LPS stimulate

Losmapimod (GSK-AHAB) 是一种可口服的特异性 p38 MAPK 抑制剂，抑制 p38α 和 p38β 的 pKi 值分别为 8.1 和 7.6。

p38α inhibitor 2 is a highly potent and selective p38α MAPK inhibitor, with a pIC50 of 9.6. p38α inhibitor 2 inhibits the hERG ion channel (IC50=27 μM) and shows a promising selectivity profile when tested in a panel of 51 other protein kinases (<30% inhibition at 10 μM concentration) and a panel of 141 other biological targets[1]. [1]. Raubo P, et al. The discovery and evaluation of 3-amino-2(1H)-pyrazinones as a novel series of selective p38α MAP kinase inhibitors [published online ahead of print, 2020 Jul 15]. Bioorg Med Chem Lett. 2020;30(18):127412.

NG 25 is a type II kinase inhibitor that inhibits MAP4K2 and TAK1 (IC50s = 21.7 and 149 nM, respectively).1It also inhibits the Src family kinases Src and LYN (IC50s = 113 and 12.9 nM, respectively) and Abl family kinases (IC50s = 75.2 nM), as well as CSK, FER, and p38α (IC50s = 56.4, 82.3, and 102 nM, respectively). NG 25 (100 nM) prevents TNF-α-induced IKKα/β phosphorylation and IκB-α degradation in L929 cells. It inhibits secretion of IFN-α and IFN-β induced by CpG type B and CL097, respectively, in Gen2.2 cells in a concentration-dependent manner.2NG 25 decreases cell viability of HCT116KRASWT, and to a greater degree of HCT116KRASG13D, colorectal cancer cells in a concentration-dependent manner.3It also reduces tumor growth and increases the number of TUNEL-positive tumor cells in a CT26KRASG12Dmouse orthotopic model of colorectal cancer. 1.Tan, L., Nomanbhoy, T., Gurbani, D., et al.Discovery of type II inhibitors of TGFβ-activated kinase 1 (TAK1) and mitogen-activated protein kinase kinase kinase kinase 2 (MAP4K2)J. Med. Chem.58(1)183-196(2015) 2.Pauls, E., Shpiro, N., Peggie, M., et al.Essential role for IKKβ in production of type 1 interferons by plasmacytoid dendritic cellsJ. Biol. Chem. 287(23)19216-19228(2012) 3.Ma, Q., Gu, L., Liao, S., et al.NG25, a novel inhibitor of TAK1, suppresses KRAS-mutant colorectal cancer growth in vitro and in vivoApoptosis24(1-2)83-94(2019)

p38 MAPK-IN-3 (Compound 2c) is a potent inhibitor of p38α MAPK, displaying antitumor properties by promoting apoptosis and increasing reactive oxygen species (ROS) production [1].

AMG-548 hydrochloride 是选择性的、口服具有活力的 p38α 抑制剂，Ki 值为 0.5 nM，对p38β略有选择性 (Ki=36 nM) 并且对 p38γ 和 p38δ 具有高于1000 倍的选择性。AMG 548 hydrochloride 同时能够有效抑制全血 LPS 刺激的TNFα，IC50值为 3 nM。AMG-548 hydrochloride 能够直接抑制酪蛋白激酶 1 (Casein kinase 1) 同种型 δ 和 ε ，进而对 Wnt 信号传导具有抑制作用。

AMG-548 dihydrochloride 是选择性的、口服具有活力的 p38α 抑制剂，Ki 值为 0.5 nM，对 p38β略有选择性 (Ki=36 nM) 并且对 p38γ 和 p38δ 具有 >1000 倍的选择性。AMG-548 dihydrochloride 对全血 LPS 刺激的 TNFα 表现出抑制作用，IC50 值为 3 nM。AMG-548 dihydrochloride 能够直接抑制酪蛋白激酶 1 (Casein kinase 1) 同种型 δ 和 ε ，并抑制 Wnt 信号传导。

WYE-687 是 ATP 竞争性的 mTOR 抑制剂，其 IC50=7 nM。它能够抑制PI3Kα和PI3Kγ，IC50分别为 81 nM 和 3.11 μM。它能够抑制mTORC1和mTORC2活化。

AS1940477 is p38 MAPK inhibitor. AS1940477 inhibited the enzymatic activity of recombinant p38α and β isoforms but showed no effect against other 100 protein kinases including p38γ and δ isoforms. In human peripheral blood mononuclear cells, AS1940477 inhibited lipopolysaccharide (LPS)- or phytohemagglutinin A (PHA)-induced production of proinflammatory cytokines, including TNFα, IL-1β, and IL-6 at low concentrations (LPS/TNFα, IC(50)=0.45n M; PHA/TNFα, IC(50)=0.40 nM). In addition, equivalent concentrations of AS1940477 that inhibited cytokine production also inhibited TNFα- and IL-1 β-induced production of IL-6, PGE(2), and MMP-3 in human synovial stromal cells. AS1940477 was also found to potently inhibit TNF production in whole blood (IC(50)=12 nM) and effectively inhibited TNFα production induced by systemically administered LPS in rats at less than 0.1mg/kg (ED(50)=0.053 mg/kg) with an anti-inflammatory effect lasting for 20h after oral administration. Overall, this stu......

AMG-47a 是具有口服活性的 Lck 抑制剂，IC50值为 0.2 nM。它具有抗炎作用，对 VEGF2、p38α、p38α、Jak3、MLR 和 IL-2的 IC50值分别为 1、3、72、30 和 21 nM。