p38 MAPK-IN-2 is an inhibitor of p38 kinase.

MAPK-IN-2 (compound 3h) is an efficacious MAPK inhibitor with antineoplastic properties that significantly hinders proliferation across various cancer cell lines. It demonstrates robust suppression of the MAPK pathway (EGFR WT IC50 = 281 nM, c-MET IC50 = 205 nM, B-RAF WT IC50 = 112 nM, CDK4/6 IC50 = 95 and 184 nM, respectively) and exhibits pronounced activity against mutated forms of EGFR and B-RAF (EGFR T790M IC50 = 69 nM and B-RAF V600E IC50 = 83 nM) [1].

p44/42 MAPK (Erk1/2) (137F5) Rabbit mAb #4695R is a useful organic compound for research related to life sciences and the catalog number is T64587.

Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204) (20G11) Rabbit mAb #4376R is a useful organic compound for research related to life sciences and the catalog number is T64608.

Butein (2’,3,4,4’-tetrahydroxy Chalcone), a plant polyphenol, is isolated from Rhus verniciflua. It can inhibit the activation of protein tyrosine kinase, NF-κB and STAT3, and also can inhibit EGFR.

LXH254 is a potent C-Raf and B-Raf inhibitor.

3'-Hydroxypterostilbene (3'-HPT), a natural pterostilbene analogue, effectively inhibits the growth of human colon cancer cells with IC50s of 9.0, 40.2, and 70.9 μM for COLO 205, HCT-116, and HT-29 cells, respectively, by inducing apoptosis and autophagy. 3'-Hydroxypterostilbene inhibits the p38MAPK , and PI3K/Akt/mTOR/p70S6K pathways and activates the ERK1/2, JNK1/2 MAPK pathways[1].

GS87 is a highly specific inhibitor of GSK3 (glycogen synthase kinase 3) that induces extensive differentiation of AML cells.

EF24 (3,5-Bis[(2-fluorophenyl)Methylene]-4-piperidinone) treatment increases the levels of activated caspase 3 and 9, and decreases the phosphorylated forms of MEK1 and ERK. EF24 shows potent anti-tumor activity in oral squamous cell carcinoma (OSCC) via deactivation of the MAPK/ERK signaling pathway.

5-OxoETE is a polyunsaturated keto acid formed by the oxidation of 5-HETE in human neutrophils by a specific dehydrogenase.[1] It stimulates cytosolic calcium levels in neutrophils with an EC50 value of 2 nM.[2] 5-OxoETE selectively stimulates the migration and degranulation of eosinophils and activates the MAPK pathway in stimulated neutrophils via a specific G protein-coupled receptor.[3],[4],[5],[6]

Lawsone methyl ether (2-Methoxy-1,4-naphthoquinone) induced apoptosis of A549 cells independent of cell cycle arrest, and is mediated by the JNK and p38 MAPK signaling pathways. Further analysis demonstrated that these signaling pathways were stimulated by oxidative DNA damage caused by increased ROS generation in MNQ-treated A549 cells.

Calycosin (Cyclosin) acts as a selective estrogen receptor modulator. Calycosin induces apoptosis in human ovarian cancer SKOV3 cells by activating caspases and Bcl-2 family proteins. Calycosin suppresses breast cancer cell growth via ERβ-dependent regulation of IGF-1R, p38 MAPK and PI3K/Akt pathways. Calycosin has antineoplastic effects against osteosarcoma through inducing apoptosis showing in vitro and in vivo investigations. Calycosin was shown to induce angiogenesis in human umbilical vein endothelial cell cultures (HUVEC) in vitro. Calycosin may be an effective skin-lightening agent that regulates the expression of melanogenic enzymes. Calycosin exhibited tyrosinase inhibitory activity with an IC(50) value of 38.4 microM.

Losmapimod (GSK-AHAB) (GW856553X; SB856553; GSK-AHAB) is a specific, potent, and orally active p38 MAPK inhibitor (pKi: 8.1/7.6 for p38α/β).

Adezmapimod (SB 203580) is a p38 MAPK inhibitor (IC50=0.3-0.5 μM) that is selective and ATP-competitive. Adezmapimod possesses autophagy and mitochondrial autophagy activating activity. Adezmapimod displays more than 100-fold higher selectivity than PKB, LCK, and GSK-3β.

Neochlorogenic acid (trans-5-O-Caffeoylquinic acid) is an antioxidant compound used in the treatment of oxidative stress and related afflictions.

Rosmanol has antioxidant activity, it can activate the antioxidant response element. Rosmanol has biphasic modulation of GABAA receptors, demonstrates CNS activity in mouse models of antinociception, antidepressant and anxiolysis. Rosmanol potently induce

1. 6-Shogaol (6-Shogaol) has antipyretic and analgesic effects in addition to inhibitory effect on lipoxygenase activity. 2. 6-shogaol has anti-inflammatory property, reduces the inflammatory response and protected the femoral cartilage from damage produced in a CFA monoarthritic model of the knee joint of rats. 3. 6-Shogaol inhibits the growth of human cancer cells and induces apoptosis in COLO 25 cells through modulation of mitochondrial functions regulated by reactive oxygen species (ROS). 4. 6-Shogaol effectively inhibit invasion and metastasis of hepatocellular carcinoma through diverse molecular mechanisms, including inhibition of the MAPK and PI3k/Akt pathways and NF-κB and STAT3 activities to suppress expression of MMP-2/-9 and uPA and block angiogenesis, could further regulate urokinase-type plasminogen activity.

Afatinib (BIBW 2992) is an irreversible inhibitor of EGFR family (EGFR-wt, EGFR-L858R, EGFR-L858R/T790M and HER2 with IC50s of 0.5 nM, 0.4 nM, 10 nM and 14 nM , respectively).

10-Ethenyl-19-norprogesterone (Org OD 02-0) is a selective agonist for the membrane progesterone receptor α (mPRα) with an IC50 of 33.9 nM, known to activate MAPK activity, and inhibit prolactin (PRL) secretion in the pituitary [1] [2].

Panaxydol has anti-cancer activity, can inhibit the growth and apoptosis of cancer cells, the signaling mechanisms involve a [Ca(2+)](i) increase, JNK and p38 MAPK activation, cAMP, MAP kinase and ROS generation through NADPH oxidase and mitochondria.

Esculin sesquihydrate, a coumarin glucoside with fluorescent properties and a constituent of ash bark, improves cognitive deficits associated with experimental diabetic nephropathy (DN). It also offers anti-oxidative and anti-inflammatory benefits through the MAPK signaling pathway [1] [2].

(±)14(15)-EET is a metabolite of arachidonic acid that is formed via epoxidation of arachidonic acid by cytochrome P450.[1],[2] It prevents increases in leukotriene B4, ICAM-1, and chemokine (C-C motif) ligand 1 (CCL2) induced by oxidized LDL in primary rat pulmonary artery endothelial cells (RPAECs) when used at a concentration of 1 μM.[3] (±)14(15)-EET induces dilation of preconstricted isolated canine coronary arterioles (EC50 = 0.2 pM).[4] It reduces myocardial infarct size as a percentage of the area at risk in a canine model of ischemia-reperfusion injury induced by left anterior descending coronary artery (LAD) occlusion when administered at a dose of 0.128 mg/kg prior to occlusion or reperfusion.[5] Reference：[1]. Chacos, N., Falck, J.R., Wixtrom, C., et al. Novel epoxides formed during the liver cytochrome P-450 oxidation of arachidonic acid. Biochem. Biophys. Res. Commun. 104(3), 916-922 (1982).[2]. Oliw, E.H., Guengerich, F.P., and Oates, J.A. Oxygenation of arachidonic acid by hepatic monooxygenases. Isolation and metabolism of four epoxide intermediates. J. Biol. Chem. 257(7), 3771-3781 (1982).[3]. Jiang, J.-X., Zhang, S.-J., Xiong, Y.-K., et al. EETs attenuate ox-LDL-induced LTB4 production and activity by inhibiting p38 MAPK phosphorylation and 5-LO/BLT1 receptor expression in rat pulmonary arterial endothelial cells. PLoS One 10(6), e0128278 (2015).[4]. Oltman, C.L., Weintraub, N.L., VanRollins, M., et al. Epoxyeicosatrienoic acids and dihydroxyeicosatrienoic acids are potent vasodilators in the canine coronary microcirculation. Circ. Res. 83(9), 932-939 (1998).[5]. Nithipatikom, K., Moore, J.M., Isbell, M.A., et al. Epoxyeicosatrienoic acids in cardioprotection: Ischemic versus reperfusion injury. Am. J. Physiol. Heart Circ. Physiol. 291(2), H537-H542 (2006).

Cucurbitacin D, a triterpenoid isolated from Ecballium elaterium (L.), exhibits anticancer and antitumor activity, inhibits glucose uptake and lactate production in metastatic PrC, and induces inflammasome activation independent of ERK1/2 activation. Cucurbitacin D, a novel inflammasome activator in macrophages, inhibits HepG2 cell proliferation and induces apoptosis by modulating the JAK/STAT3, PI3K/Akt/mTOR and MAPK signaling pathways, and can be used in the study of cervical cancer, leukemia, and prostate cancer.

Olodanrigan (EMA401), a highly selective AT2R antagonist, inhibition of augmented AngII/AT2R induced p38 and p42/p44 MAPK activation, and hence inhibition of DRG neuron hyperexcitability and sprouting of DRG neurons. EMA401 blocks p38, p42/p44 mitogen-activated protein kinase (MAPK) activation, neurite outgrowth in adult rat DRG neurons, and sensitization of adult rat and human DRG neurons induced by AngII. It inhibits capsaicin responses in cultured hDRG neurons.

CAY10404 (3-(4-METHYLSULPHONYLPHENYL)-4-PHENYL-5-T) is a potent and highly selective inhibitor of COX-2 and COX-1. It is also a potent inhibitor of PKB/Akt and MAPK signalling pathways and induces apoptosis in NSC-LC cells, with analgesic, anti-inflammatory and anti-cancer activities.

Tpl2 kinase inhibitor is an inhibitor of tumor progression locus 2 (Tpl2; IC50= 0.05 μM).1It 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 calcitriol in HL-60 and U937 leukemia cells when used at a concentration of 5 μM.2Tpl2 kinase inhibitor (5 μM) inhibits the proliferation of KG-1a leukemia cells.3 1.Garvin, L.K., Green, N., Hu, Y., et al.Inhibition of Tpl2 kinase and TNF-α production with 1,7-naphthyridine-3-carbonitriles: Synthesis and structure-activity relationshipsBioor. Med. Chem. Lett.15(23)5288-5292(2005) 2.Wang, X., and Studzinski, G.P.Expression of MAP3 kinase COT1 is up-regulated by 1,25-dihydroxyvitamin D3 in parallel with activated c-jun during differentiation of human myeloid leukemia cellsJ. Steroid. Biochem. Mol. Biol.121(1-2)395-398(2010) 3.Wang, X., Gocek, E., Novik, V., et al.Inhibition of Cot1/Tlp2 oncogene in AML cells reduces ERK5 activation and up-regulates p27Kip1 concomitant with enhancement of differentiation and cell cycle arrest induced by silibinin and 1,25-dihydroxyvitamin D3Cell Cycle9(22)4542-4551(2010)

1. Protostemonine has anti-inflammatory activity, it effectively attenuates LPS-induced inflammatory responses in vitro and in vivo; the beneficial effects are associated with the decreased phosphorylation of MAPK and AKT and the reduced expression of pro

STO-609 acetate is selective, cell-permeable inhibitor of Ca2+-calmodulin-dependent protein kinase kinase (Ki: 80/15 ng/ml, for CaM-KKα/KKβ); competes for the ATP-binding site. It displays > 80-fold selectivity over CaMK1/2/4, PKC, MLCK, PKA and p42 MAPK.

MK2-IN-5, a pseudosubstrate of Mk2 with an inhibition constant (K_i) of 8 μM, selectively targets the protein interaction domain of the MAPK pathway and inhibits the phosphorylation of HSP25 and HSP27 [1] [2] [3].

MK2-IN-3 hydrate (MK-2 Inhibitor III) is an orally active, selective, and ATP-competitive inhibitor of MAPKAP-K2 (MK-2) (IC50 of 0.85 nM)

CMPD1 is a non-ATP-competitive p38 MAPK-mediated MK2 phosphorylation inhibitor(apparent Ki (Kiapp): 330 nM).

ERK1/2 Inhibitor 5, a potent suppressant of the ERK1/2 pathway, is instrumental in the mitogen-activated protein kinase (MAPK) signal transduction pathway, where extracellular signal-regulated kinase (ERK) serves as a critical component of the MAPK family. This compound holds promise for the investigation or mitigation of cancer, inflammation, or various proliferative diseases[1].

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......

p38 MAPK inhibitor (IC50 = 0.38 μM). Inhibits the release of IL-1β and TNF-α in a peripheral blood mononuclear cell (PBMC) assay (IC50 values are 0.039 and 0.16 μM respectively). Laufer et al (2003) Novel substituted pyridinyl imidazoles as potent anticytokine agents with low activity against hepatic cytochrome P450 enzymes. J.Med.Chem. 46 3230 PMID:12852754 |Kammerer et al (2007) Pharmacokinetics of ML3403 ({4-[5-(4-fluorophenyl)-2-methylsulfanyl-3H-imidazol-4-yl]-pyridin-2-yl}-(1-phenylethyl)-amine), a 4-pyridinylimidazole-type p38 mitogen-activated protein kinase inhibitor. Drug Metab.Dispos. 35 875 PMID:17344341

Momordin Ic (Momordin 1c) might represent a potential anticancer activity, by inducing apoptosis through oxidative stress-regulated mitochondrial dysfunction involving the MAPK and PI3K-mediated iNOS and HO-1 pathways. Also, Momordin Ic accelerates gastrointestinal transit partially by stimulating synthesis of 5-HT to act through 5-HT(2), which, in turn, increases synthesis of prostaglandins.

1. Schisandrol B (Besigomsin) may exert neuroprotective effects by attenuating the microglia-mediated neuroinflammatory response via inhibiting the TLR4-mediated NF-κB and MAPKs signaling pathways. 2. Schisandrol B has anti-inflammatory property, potentially result from the inhibition of COX-2, iNOS, IL-6, TNF-α and NO through the down-regulation of RIP2 and NF-κB activation. 3. Schisandrol B induces marked protective effects against hepatic and renal injury induced by CCl(4) exposure through differential regulation of the MAPK signal transduction pathway. 4. Schisandrol B significantly inhibits cell proliferation in a dose-dependent manner, due to cell cycle arrest in the G1 phase with the downregulation of cyclin D1 expression and Retinoblastoma (RB) phosphorylation.

Theaflavin 3,3'-digallate (8-Gingerol) , a major polyphenol found in black tea, is an inducer of oxidative stress which has anti-inflammatory and cancer chemopreventive actions, it reduces tumor angiogenesis by downregulating HIF-1αand VEGF.

Rineterkib (ERK-IN-1) is an inhibitor of RAF and ERK1/2 activating mutations in the MAPK pathway.

Jatrorrhizine chloride (Neprotine chloride) is a potent and orally active uptake-2 transporter inhibitor. It exhibits a critical neuroprotective role in H2O2-induced apoptosis via inhibition of the MAPK pathway in HT22 hippocampal neurons.

MAPK-IN-1 (Compound 2) is an inhibitor of MAPK signaling pathway with anti-neuroinflammatory and neuroprotective activity that can be used for the research of Alzheimer's disease. MAPK-IN-1 inhibits AChE with an IC 50 of 23.84 μM [1].

P38α Inhibitor 2, a potent and selective inhibitor of p38α MAPK, exhibits a pIC50 value of 9.6. It also demonstrates inhibition of the hERG ion channel (IC50=27 μM) and maintains promising selectivity, with <30% inhibition across a panel of 51 protein kinases at a 10 μM concentration and a broad specificity against 141 other biological targets[1].

Semapimod is an inhibitor of proinflammatory cytokine production, capable of suppressing TNF-α, IL-1β, and IL-6. It hinders TLR4 signaling with an IC50 of approximately 0.3 μM, impedes p38 MAPK, and reduces nitric oxide production in macrophages. This compound shows promise for treating various inflammatory and autoimmune disorders [1] [2] [3].

E6201 (ER-806201) is a potent dual kinase inhibitor targeting MEK1 and FLT3, inhibiting their activities in an ATP-competitive manner. It effectively suppresses MEK1-induced ERK2 phosphorylation (IC50 = 5.2 nM), MKK4-induced JNK phosphorylation (IC50 = 91 nM), and MKK6-induced p38 MAPK phosphorylation (IC50 = 19 nM). E6201 exhibits anti-tumor and anti-psoriasis effects [1] [2].

N-tert-butyl-α-Phenylnitrone ((Z)-N-benzylidene-2-Methylpropan-2-aMine oxide) inhibits COX2 catalytic activity. N-tert-butyl-α-Phenylnitrone((Z)-N-benzylidene-2-Methylpropan-2-aMine oxide) possesses potent reactive oxygen species scavenging, anti-inflammatory, neuroprotective, anti-aging, and anti-diabetic activities, and can penetrate the blood-brain barrier.

L748337 is a competitive and potent β3-adrenoceptor antagonist that inhibits the action of β3-, β2-, and β1-adrenoceptors, activates MAPK signaling, promotes phosphorylation of Erk1/2, and inhibits the protective effects of CL316243, and is used in the study of disorders caused by abnormalities of the β3-adrenoceptors.

RO4927350 is a potent and highly selective non-ATP-competitive MEK1/2 inhibitor. RO4927350 selectively blocks the MAPK pathway signaling both in vitro and in vivo, which results in significant antitumor efficacy in a broad spectrum of tumor models. RO4927350 inhibits not only ERK1/2 but also MEK1/2 phosphorylation. In cancer cells, high basal levels of phospho-MEK1/2 rather than phospho-ERK1/2 seem to correlate with greater sensitivity to RO4927350. Furthermore, RO4927350 prevents a feedback increase in MEK phosphorylation, which has been observed with other MEK inhibitors. RO4927350 represents a novel therapeutic modality in cancers with aberrant MAPK pathway activation.

1. Decursin (Decursinol angelate) is able to attenuate kainic acid-induced seizures and could have potential as an antiepileptic drug. 2. Decursin exhibits hepatoprotective effects , potentially by inhibiting the TGF-β1 induced NOX activation and Smad signaling. 3. Decursin has anti-cancer activity , mediated suppression of the PKCα, MAPK and NF-κB pathways in MCF-7 cells. 4. Decursin exhibits cytotoxicity against various human cancer cells and to possess anti-amnesic activity in vivo through the inhibition of AChE activity.

1. Isoquercetin (3-Glucosylquercetin) is a potential stimulator of bone mineralization used for prophylaxis of osteoporotic disorders. 2. Isoquercetin may be as a potential therapeutic agent against neurodegeneration in Parkinson's disease. 3. Isoquercetin is an inhibitor of Wnt/β-catenin and may be as a potential novel anti-tumoral agent, such as against human pancreati,liver cancer related to opioid receptors and to the activation of the mitogen-activated protein kinase (MAPK) signalling pathway. .

LC-2 (PROTAC KRASG12C Degrader-LC-2) is a novel von Hippel-Lindau-based PROTAC degrader of endogenous KRAS G12C with a DC50 between 0.25 and 0.76 μM.LC-2 is a PROTAC that covalently binds KRAS G12C with MRTX849 and recruits the E3 ligase, VH, to induce a rapid and sustained degradation of KRAS G12C. LC-2 inhibits MAPK signaling in pure and heterozygous KRAS G12C cell lines.

1. Dehydrocorydaline(DHC) not only inhibits antibody-mediated allergic reactions but also influences cell-mediated allergic reactions, and the inhibitory effect of Corydalis Tuber on allergic reactions may be partially attributed to DHC. 2. Dehydrocorydal