p38 MAPK

p38 MAPK inhibitor is a potent inhibitor of p38 MAP kinase (IC50 = 35 nM). It inhibits senescence induced by the oncogene RAS.

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

p38 MAPK-IN-1 displays sustained levels, low clearance, and good bioavailability. p38 MAPK-IN-1 is a novel effective and selective inhibitor of p38 MAPK (IC50: 68 nM).

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].

P38-α MAPK-IN-5 is a potent inhibitor of p38α, demonstrating inhibitory concentrations (IC50) of 0.1 nM for p38α, 0.2 nM for p38β, 944 nM for p38γ, and 4100 nM for p38δ. It exhibits anti-inflammatory properties and holds potential for research in asthma and chronic obstructive pulmonary disease (COPD).

p38-α MAPK-IN-1 is a MAPK14 (p38-α) inhibitor(IC50 of 2300 nM in EFC displacement assay, and 5500 nM in HTRF assay).

p38-α MAPK-IN-4 (Compound 69) is a selective inhibitor of p38α MAPK, demonstrating potent inhibition with an IC50 of 1.5 μM. It effectively and swiftly mitigates the onset of mechanical allodynia (MA) in vivo [1].

(S)-p38 MAPK inhibitor III is a methylsulfanylimidazole that inhibits p38 MAP kinase (IC50 = 0.90 μM in vitro). It is cell-permeable, potently blocking the release of TNF-α and IL-1β from human peripheral blood mononuclear cells (IC50s = 0.37 and 0.044 μM, respectively).

p38 MAPK inhibitor IV is an ATP-competitive inhibitor of p38 MAP kinases with IC50 values of 0.13, 0.55, 5.47, and 8.63 μM for p38α, p38β, p38x, and p38δ, respectively, in vitro.[1] It also inhibits LPS-induced TNF-α and IL-1β cytokine production (IC50s = 22 and 44 nM, respectively) in human peripheral blood mononuclear cells.

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.

VX-702 is a highly specific p38α MAPK inhibitor, 14-fold higher selectivity for the p38α than p38β. VX-702 is a small molecule investigational oral anti-cytokine therapy for treatment of inflammatory diseases, specifically rheumatoid arthritis (RA).

SB 202190 (FHPI) is a p38 MAPK inhibitor that inhibits p38α and p38β2 (IC50=50/100 nM) selectively and cell-permeably. SB 202190 has antitumor activity and also induces the differentiation of human embryonic stem cells into cardiomyocytes.

Dihydrocaffeic acid is a metabolite of chlorogenic acid, a well-known antioxidant component with antioxidant, anti-Alzheimer's disease, neuroprotective, arousal and lipid-lowering effects.

UR-13870 (Org 48762-0) is an orally active and selective inhibitor of p38 mitogen-activated protein kinase (MAPK), which prevents bone damage in collagen-induced arthritis in mice.

Iroxanadine (BRX-005) is a Novel small molecule MAPK p38 inhibitor that induces phosphorylation of p38 SAPK and induces concentration-dependent relaxation in guinea pig pulmonary artery preparations precontracted with phenylephrine.CAS 번호13480-84-5

Apelin-12 acetate possesses a high affinity to orphan receptor APJ receptor. Apelin-12 acetate inhibits the JNK and p38 MAPK signaling pathway of the apoptosis-related MAPKs family, thus offering protection to neurons.

DIPQUO hydrochloride is an activator of the bone marker alkaline phosphatase (ALP), with an EC50 of 6.27 μM in C2C12 cells. DIPQUO hydrochloride promotes mouse and human osteoblast differentiation via activation of p38 MAPK-β.

SSK1 is a compound that selectively kills senescent cells and is a precursor for β-galactosidase, which can reduce the inflammatory response of the body. SSK1 can activate the phosphorylation of p38 MAPK and MKK3/MKK6 in senescent cells, and promote mitochondrial DNA damage in senescent cells.

AL 8697 is a selective p38α MAPK inhibitor (IC50 = 6 nM) with 14-fold selectivity over p38β (IC50 = 82 nM) and 300-fold selectivity over a panel of 91 kinases. AL 8697 has anti-inflammatory activity.

Muramyl dipeptide (MDP) is a synthetic immunoreactive peptide, consisting of N-acetyl muramic acid attached to a short amino acid chain of L-Ala-D-isoGln. Muramyl dipeptide indirectly decreases osteoclast differentiation through a decreased RANKL OPG ratio. Muramyl dipeptide directly increases osteoblast differentiation by up-regulating Runx2 gene expression through MAPK pathways. Muramyl dipeptide is an inducer of bone formation through the induction of Runx2 .

JNJ-49095397 (RV568) is a selective p38 MAPK-α and p38 MAPK--γ kinase inhibitor with anti-inflammatory activity and potential antiviral activity for chronic obstructive pulmonary disease (COPD), cystic fibrosis, and respiratory syncytial virus infection.

SR-318 is a potent and highly selective inhibitor of p38 MAPK(IC50s of 5 nM, 32 nM and 6.11 μM for p38α, p38β and p38α/β, respectively), has anti-cancer and anti-inflammatory activity.

Talmapimod (SCIO-469) is an selective, orally active, and ATP-competitive p38α inhibitor with IC50 of 9 nM and 90 nM for p38α and p38β, respectively. Talmapimod exhibits at least 2000-fold selectivity over a panel of 20 kinases, including other MAPKs.

NSC-37445 has anti-tumor activity, such as inhibits growth of bladder tumor cells in a nude mice model , prevents the recurrence and progression of non-muscle-invasive urothelial cell carcinoma. NSC-37445 can significantly reduce the expression of CDK1-inhibitory kinases, Myt1 and Wee1, and cause cyclin B1 protein accumulation leading to CDK1 activation in T24 cells. 3. Flavokawain A (Flavokavain A) may exert anti-inflammatory responses by suppressing LPS-induced expression of pro-inflammatory mediators via blockage of NF-κB-AP-1-JNK/p38 MAPK signaling pathways in the murine macrophages.

Rhoifolin (Apigenin 7-O-neohesperidoside) is extracted from Turpinia arguya Seem dried leaves.

Oxidopamine hydrochloride (6-Hydroxydopamine hydrochloride) is an neurotransmitter dopamine antagonist.

TAK-715 is a p38 MAPK inhibitor for p38α.

Doramapimod (BIRB 796) is a highly potent inhibitor of p38 MAPK (Kd: 0.1 nM), but weakly inhibits c-RAF, Fyn, Lck, ERK-1, SYK, IKK2, and ZAP-70.

SKF-86002 is an effective inhibitor of p38 MAP kinase (IC50: 0.5-1 uM); inhibits LPS-induced IL-1 and TNF-α production in human monocytes (IC50: 1 μM).

BMS-582949 is a potent and selective p38 mitogen-activated protein kinase (p38 MAPK) inhibitor with IC50 of 13 nM, inhibiting both p38 kinase activity and activation of p38.

Ralimetinib dimesylate (LY2228820 dimesylate) is the dimesylate salt form of LY2228820, a tri-substituted imidazole derivative and orally available, p38 mitogen-activated protein kinase (MAPK) inhibitor with potential anti-inflammatory and antineoplastic activities.

Caffeic Acid Phenethyl Ester (Phenylethyl Caffeate) (CAPE) inhibits the activation of nuclear transcription factor NF-kappa B and may suppress p70S6K and Akt-driven signaling pathways, with antineoplastic, cytoprotective and immunomodulating activities. CAPE is the phenethyl alcohol ester of caffeic acid and a bioactive component of honeybee hive propolis. In addition, CAPE inhibits PDGF-induced proliferation of vascular smooth muscle cells through the activation of p38 mitogen-activated protein kinase (MAPK) and hypoxia-inducible factor (HIF)-1alpha and subsequent induction of heme oxygenase-1 (HO-1).

Afatinib Dimaleate (BIBW 2992MA2) is an orally bioavailable anilino-quinazoline derivative and inhibitor of the receptor tyrosine kinase (RTK) epidermal growth factor receptor (ErbB; EGFR) family, with antineoplastic activity.

10-Gingerol-induced apoptosis was accompanied by phosphorylation of the mitogen-activated protein kinase (MAPKs) family, p38 MAPK (p38), c-Jun N-terminal kinase (JNK), and extracellular signal-regulated kinase (ERK).

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.

Rotundic acid (Rutundic acid), a natural compound, exhibit cytotoxic activities toward human hepatocellular carcinoma (HepG2), malignant melanoma (A375), SCLC (NCI-H446), breast cancer (MCF-7), and colon cancer (HT-29) cell lines.

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).

BI-3406 is an orally active, highly potent and selective between KRAS and Son of Sevenless 1 (SOS1) interaction inhibitor(IC50 : 6 nM),with anticancer activity.

PD 169316 is a potent, cell-permeable and selective p38 MAP kinase inhibitor.

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

Hesperetin belongs to the flavanone class of flavonoids. Hesperetin, in the form of its glycoside hesperidin, is the predominant flavonoid in lemons and oranges.

Aspirin (Acetylsalicylic Acid) is a potent and selective inhibitor of COX with various pharmacological activities, such as anti-inflammation and pain relief. Aspirin is a histone deacetylase inhibitors to up-regulate cell cycle arrest protein p21, which can suppresses ovarian Y cells harboring COX-1. Aspirin also inhibits the expression of COX-2 in HUVEC and neonatal rat ventricular cardiomyocytes, and then reduce PG production and the down-regulation of ERK and NF-KB, respectively.

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.

1. Cornuside (Comuside) has immunomodulatory activity . 2. Cornuside suppresses expression levels of cytokine-induced proinflammatory and adhesion molecules in the human endothelial cells. 3. Cornuside can treat myocardial I/R and protect the liver from CCl4-induced acute hepatotoxicity, by reducing oxidative stress and suppressing inflammatory responses. 4. Cornuside has anti-inflammatory activity by downregulations of iNOS and COX-2 due to NF-κB inhibition as well as the negative regulation of ERK1/2, p38, and JNK1/2 phosphorylations in RAW 264.7 cells. 5. Cornuside has protective potential against cerebral ischemic injury, may be due to the suppression of intracellular Ca(2+) elevation and caspase-3 activity, and improvements in mitochondrial energy metabolism and antioxidant properties.

(E)-SIS3 (SIS3), a selective Smad3 inhibitor, can attenuate TGF-β1-dependent Smad3 phosphorylation and DNA binding. It has no effect on p38 MAPK, Smad2, ERK or PI3K signaling. It also inhibits TGF-β1-induced myofibroblast differentiation of dermal fibroblasts and inhibits TGF-β2-induced endothelial cell differentiation in iPSCs.

Oxidopamine hydrobromide (6-OHDA hydrobromide) is a neurotransmitter dopamine antagonist.

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).

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.