SCH 772984 is a potent inhibitor of ERK1/ERK2 (IC50: 4/1 nM) and has only weak inhibitory for other 300 tested kinases.

Magnolin reduces the renal oxidative stress, suppresses caspase-3 activity, and increases Bcl-2 expression in vivo and in vitro. Magnolin has anti-inflammatory and antioxidative effects.

Astragaloside IV (AS-IV), an active component isolated from Astragalus membranaceus, suppresses the activation of ERK1/2 and JNK, and downregulates matrix metalloproteases (MMP)-2, (MMP)-9 in MDA-MB-231 breast cancer cells. Astragaloside IV is a bioactive saponin first isolated from the dried plant roots of the genus Astragalus, which is used in traditional Chinese medicine.1 It dose-dependently inhibits human adenovirus type 3 (HAdV-3) in A549 cells (IC50 = 23 μM; LC50 = 865 μM).It inhibits replication of HAdV-3 and decreases HAdV-3-induced apoptosis. It has diverse protective effects for the cardiovascular, immune, digestive, and nervous systems. In particular, it reduces myocardial infarct size in dogs when administered prior to coronary ligation and reduces reperfusion arrhythmias in isolated rat hearts.

Epieriocalyxin A can suppress Caco-2 colon cancer cell growth. It could be a potential drug for colon cancer therapy in the future.

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.

Lidocaine hydrochloride (Lignocaine hydrochloride) is a local anesthetic and cardiac depressant used as an antiarrhythmic agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE.

Tauroursodeoxycholate sodium (TUDC) is an endoplasmic reticulum (ER) stress inhibitor, used for the treatment of gallstones and liver cirrhosis.

Temuterkib (LY3214996) is a potent and selective, orally available inhibitor of the extracellular signal-regulated kinase (ERK) 1 and 2, with potential antineoplastic activity.

Honokiol (NSC-293100) is the active principle of magnolia extract. It inhibits the activation of Akt and enhances the phosphorylation of ERK1/ERK2.

Ulixertinib (VRT752271) (BVD-523, VRT752271) is an effective and reversible ERK1/ERK2 inhibitor. The IC50 of Ulixertinib is less than 0.3 nM for ERK2.

Bohemine is a cyclin-dependent kinase inhibitor.

PD98059 is an MEK inhibitor that inhibits MEK1 and MEK2 (IC50=2/50 μM) and is non-ATP-competitive. PD98059 is also antagonistic as a ligand for AHR. PD98059 inhibits autophagy.

Tauroursodeoxycholate (UR 906), also known as ursodoxicoltaurine, is a highly hydrophilic tertiary bile acid that is produced in humans at a low concentration. Tauroursodeoxycholate is the more hydrophilic form of ursodeoxycholic acid, which is the more abundant naturally produced bile acid in humans.Tauroursodeoxycholate is being investigated for use in several conditions such as Primary Biliary Cirrhosis (PBC), insulin resistance, amyloidosis, Cystic Fibrosis, Cholestasis, and Amyotrophic Lateral Sclerosis.

Ravoxertinib (GDC-0994) is an effective and orally available ERK1/2 inhibitor (IC50: 1.1/0.3 nM).

FR 180204 is a potent and selective ATP-competitive inhibitor of ERK1 and ERK2.

Lidocaine Hydrochloride hydrate is an amide local anesthetic, has anti-inflammatory property.

MK-8353 (SCH900353) is a potent, selective and orally available inhibitor of ERK1/2 (IC50s of 23.0 nM and 8.8 nM, respectively)

SEW 2871 is an orally available, highly selective S1P1 agonist with an EC50 of 13.8 nM.It reduces the number of lymphocytes in the blood and is used in studies related to diabetes, Alzheimer's disease, liver fibrosis, and inflammation. It activates ERK, Akt and Rac signaling pathways and induces S1P1 internalization and recycling.

6-OAU (GTPL5846)(GTPL5846; 6-n-octylaminouracil) is a surrogate agonist of GPR84; activates human GPR84 in the presence of Gqi5 chimera in HEK293 cells with an EC50 of 105 nM in the PI assay.

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

TRPM4 inhibitor 8 is an inhibitor of Transient receptor potential melastatin 4(TRPM4) which contributes to viability, migration, cell cycle shift, and adhesion.

Gynosaponin TN-2, demonstrating anti-Parkinsonian activity, mitigates L-DOPA (100 and 200 μM)-induced apoptotic cell death in pheochromocytoma 12 cells through the modulation of extracellular signal-regulated protein kinases 1 and 2 activation.

Yoda1 is a Piezo1 ion channel agonist (EC50s = 17.1 and 26.6 μM for murine and human Piezo1-transfected HEK293T cells, respectively)

Isoacteoside has the anti-inflammatory effect, mediated by action on caspase-1, mitogen-activated protein kinases (c-Jun N-terminal kinase, p38, extracellular signal-regulated protein kinase) and nuclear factor-kappa B pathways.

Asperulosidic acid (ASPA) has anti-tumor, anti-oxidant, and anti-inflammatory activities. ASPA is related to the inhibition of inflammatory cytokines (TNF-α, IL-6) and mediators via suppression of the NF-κB and mitogen-activated protein kinase (MAPK) signaling pathways.

Sulforaphene is a natural product isolated from radish seeds, exhibits an ED50 against velvetleaf seedlings approximately 2 x 10 -4 M. Sulforaphene promotes cancer cells apoptosis and inhibits migration via inhibiting EGFR, p-ERK1/2, NF‐κB and other signa

Deltonin has an inhibition of ERK1/2 and AKT activation. Deltonin shows cytotoxicity against human HepG2 cells (IC50: 7.66 μM), mouse C26 cells (IC50: 1.22 μM), and human MDA-MB-231 cells (IC50: 1.58 μM).

XMD17-109 (ERK5-IN-1) is a new selective ERK-5 inhibitor (EC50: 4.2 uM, HEK293 cells).

AX-15836 is an inhibitor of ERK5 (IC50 : 8 nM).

Loureirin B can downregulate the expression of fibrosis-related molecules by regulating MMPs and TIMPs levels, inhibit scar fibroblast proliferation and suppress TGF-β1-induced fibrosis, during which TGF-β1/Smad2/3 pathway is likely involved.

XMD8-92 is an effective and specific BMK1/ERK5 inhibitor (Kd: 80 nM).

Tizaterkib (AZD-0364) is a potent and selective ERK2 inhibitor.

1. Corynoxeine is a potent ERK1/2 inhibitor of key PDGF-BB-induced VSMC proliferation and may be useful in the prevention and treatment of vascular diseases and restenosis after angioplasty.

Gypenoside L inhibits autophagic flux and induces cell death in human esophageal cancer cells through endoplasm reticulum stress-mediated Ca2+ release. It also inhibit non-small cell lung carcinoma A549 cell inhibitory activity.

DMU-212 is a methylated derivative of Resveratrol , with antimitotic, anti-proliferative, antioxidant and apoptosis promoting activities. DMU-212 induces mitotic arrest via induction of apoptosis and activation of ERK1/2 protein. DMU-212 has orally active[1][2]. DMU-212 (0.3125-40 μM) inhibits growth of A375, MeWo, Bro and M5 cells human melanoma cells[1].DMU-212 (30-50 μM; 24 hours) induces upregulation of cell cycle inhibitors, apoptosis and ERK activation in A375 cells[1].DMU-212 induces upregulation of cell cycle inhibitors, apoptosis and ERK activation in A375 cells[1].DMU-212 induces G2/M arrest and apoptosis in cancer cells[1].DMU-212 induces mitotic arrest, apoptosis and activation of ERK1/2 protein[1]. Cell Proliferation Assay[1] Cell Line: A375 cells, MeWo cells, M5 cells, Bro cells DMU-212 (50 mg/kg; i.g.; three times a week; for 14 days) inhibits tumor growth in xenograft model of human ovarian cancer[2]. Animal Model: 6-weeks-old SCID female mice (20-24 g), with ovarian cancer xenografts[2] [1]. Vasilis Pericles Androutsopoulos, et al. Activation of ERK1/2 is required for the antimitotic activity of the resveratrol analogue 3,4,5,4'-tetramethoxystilbene (DMU-212) in human melanoma cells. Exp Dermatol. 2015 Aug;24(8):632-4. [2]. Hanna Piotrowska, et al. DMU-212 inhibits tumor growth in xenograft model of human ovarian cancer. Biomed Pharmacother. 2014 May;68(4):397-400.

KO-947 is a potent and specific inhibitor of ERK1/2 kinases.

CC-90003 is a selective inhibitor of ERK 1/2. It has antitumor activity.

CAFESTOL is a ERK inhibitor for AP-1-targeted activity against PGE2 production and the mRNA expression of cyclooxygenase (COX)-2 in LPS-activated RAW264.7 cells. Cafestol has strong inhibitory activity on PGE2 production by suppressing the NF-kB activation pathway.

Methylnissolin is a natural product isolated from Astragalus membranaceus that inhibits platelet-derived growth factor (PDGF)-BB-induced cell proliferation with an IC50 of 10 μM. It inhibits PDGF-BB-induced vascular smooth muscle cell proliferation by inhibiting the ERK1/2 MAP kinase cascade. It also inhibits PDGF-BB-induced phosphorylation of extracellular signal-regulated kinase 1/2 (ERIC1/2) mitogen-activated protein (MAP) kinases and has antibacterial and anticancer effects.

Tenuifoliside A has anti-apoptotic , neuroprotective activity. And tenuifoliside A has anti-inflammatory effect, which is mediated by the inhibition of the NF-κB and MAPK pathways.

VX-11e (TCS ERK 11e) is a potent, selective, and orally bioavailable ERK(Extracellular Signal-Regulated Kinase) inhibitor; antitumor agent.

ERK5-IN-2 is an orally active, sub-micromolar, selective ERK5 inhibitor with IC50s of 0.82 μM, 3 μM for ERK5 and ERK5 MEF2D, respectively.

DEL-22379 is a water-soluble ERK dimerization inhibitor with IC50 of ～0.5 μM.

Urolithin B is one of the gut microbial metabolites of ellagitannins and is found in diverse plant foods, including pomegranates, berries, walnuts, tropical fruits, and medicinal herbs. Urolithin B inhibits NF-κB activity by reducing the phosphorylation and degradation of IκBα, and suppresses the phosphorylation of JNK, ERK, and Akt, and enhances the phosphorylation of AMPK. Urolithin B is also a regulator of skeletal muscle mass. Urolithin B has anti-inflammatory and antioxidant effects.

Lidocaine (Alphacaine) is an amide local anesthetic with anti-inflammatory properties in vitro and in vivo. It has this functions perhaps due to an attenuation of intracellular adhesion molecule-1 (ICAM-1), pro-inflammatory cytokines, and reduction of neutrophils influx.

ERK-IN-3 (ASN007 free base) is a potent and orally active inhibitor of ERK. It inhibits ERK1/2 with low single-digit nM IC50 values. It can be used for the research of cancers driven by RAS mutations.

1. Nitidine chloride has inhibitory effects on various tumors, such as renal cancer , breast cancer. 2. Nitidine chloride inhibits the proliferation of SMMC-7721 cells in vitro in a time- and dose-dependent manner and identifies efficacy in vivo in a mouse model of HCC.

Mogrol, a biometabolite of mogrosides, functions by inhibiting the ERK1/2 and STAT3 pathways, diminishing CREB activation, and activating AMPK signaling.

AG126 (Tyrphostin AG126) selectively inhibits the phosphorylation of ERK1 (p44) and ERK2 (p42) at 25-50 μM. It blocks the production of TNF-α in vitro2 and in vivo, attenuating signaling through NF-κB, the induced expression of COX-2 and iNOS, and the inflammatory response in diverse animal models. AG-126 weakly inhibits epidermal GFRK (IC50: 450 μM) and platelet-derived GFRK (IC50 > 100 μM).

The extracellular signal-regulated kinase (ERK) signal transduction pathway regulates a diverse array of cellular processes. These processes include cell survival, proliferation, motility, and differentiation and are constitutively activated in cancers involving lung, colon, pancreas, kidney, and ovary. CAY10561 is a potent, ATP-competitive inhibitor of ERK2 (Ki = 2 nM). This compound is highly selective for ERK2 compared to other kinases such as PKA (Ki = 0.39 μM) and JNK3 (Ki = 4 μM). CAY10561 inhibits proliferation of COLO 205 cells with an IC50 value of 0.54 μM.