Sulforaphene, 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 signals[1][2][3][4].
(E)-Osmundacetone is the isomer of Osmundacetone. Osmundacetone significantly suppresses the phosphorylation of MAPKs, including JNK, ERK, and p38 kinases. Osmundacetone has a neuroprotective effect against oxidative stress[1].
Anti-inflammatory agent 35 (compound 5a27) is an orally active curcumin analogue with anti-inflammatory activity. Anti-inflammatory agent 35 blocks mitogen-activated protein kinase (MAPK) signaling and p65 nuclear translocation of NF-kB. Anti-inflammatory agent 35 also inhibits yellow neutrophil infiltration and pro-inflammatory cytokine production. Anti-inflammatory agent 35 significantly attenuates lipopolysaccharide (LPS)-induced acute lung injury (ALI) in vivo[1].
DMU-212 is a methylated derivative of Resveratrol (HY-16561), 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 oral bioavailability[1][2].
LY3214996 is a highly selective inhibitor of ERK1 and ERK2, with IC50 of 5 nM for both enzymes in biochemical assays.
Withanolide B is an active component of W. somnifera Dunal. Withanolide B promotes osteogenic differentiation of hBMSCs via ERK1/2 and Wnt/β-catenin signaling pathways. Withanolide B exhibits neuroprotective, anti-arthritic, anti-aging and anti-cancer effects[1][2][3].
Urolithin B is one of the gut microbial metabolites of ellagitannins, and has anti-inflammatory and antioxidant effects. 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[1][2].
CK2/ERK8-IN-1 is a dual casein kinase 2 (CK2) (Ki of 0.25 µM) and ERK8 inhibitor with IC50s of 0.50 μM. CK2/ERK8-IN-1 also binds to PIM1, HIPK2 (homeodomain-interacting protein kinase 2), and DYRK1A with Kis of 8.65 µM, 15.25 µM, and 11.9 µM, respectively. CK2/ERK8-IN-1 has pro-apoptotic efficacy[1].
Bohemine is a purine analogue and is a synthetic and selective CDK inhibitor with IC50s of 4.6 μM, 83 μM, and 2.7 μM for Cdk2/cyclin E, Cdk2/cyclin A, and Cdk9/cyclin T1, respectively. Bohemine also inhibits ERK2 with an IC50 of 52 μM and has less inhibitory effect on CDK1, CDK4 and CDK6. Bohemine has a broad spectrum anti-cancer activities[1][2].
ERK5-IN-4 (compound 34b) is a potent and selective inhibitor of extracellular signal-related kinase 5 (ERK5). ERK5-IN-4 inhibits ERK5 (full-length) and truncated ERK5 (ERK5 ΔTAD) kinase activity in HEK293 cells with an IC50 of 77 nM and 300 nM, respectively[1].
PT-262 is a potent ROCK inhibitor with an IC50 value of around 5 μM. PT-262 induces the loss of mitochondrial membrane potential and elevates the caspase-3 activation and apoptosis. PT-262 inhibits the ERK and CDC2 phosphorylation via a p53-independent pathway. PT-262 blocks cytoskeleton function and cell migration. PT-262 has anti-cancer activity[1][2].
ERK-IN-1 (compound B) is a RAF and ERK1/2 inhibitor in the treatment of a proliferative disease characterized by activating mutations in the MAPK pathway. The activity is particularly related to the treatment of KRAS-mutant NSCLC (non-small celllung cancer), BRAF-mutant NSCLC, KRAS-mutant pancreatic cancer, KRAS-mutant colorectal cancer (CRC) and KRAS-mutant ovanan cancer[1].
POP-3MB (compound 1b) is an ICMT inhibitor (IC50: 2.5 μM). POP-3MB changes the subcellular localization of K-Ras and inhibits Ras activation. POP-3MB also inhibits Erk phosphorylation[1].
PROTAC MEK1 Degrader-1 is a PROTAC targeting MEK1 with a pIC50 value of 7.0. PROTAC MEK1 Degrader-1 consists of a MEK1 inhibitor and a von Hippel-Lindau ligand. PROTAC MEK1 Degrader-1 can inhibit ERK1/2 phosphorylation. PROTAC MEK1 Degrader-1 shows an antiproliferative activity against A375 cells[1].
AT-533 is a potent Hsp90 and HSV inhibitor. AT-533 suppresses tumor growth and angiogenesis by blocking the HIF-1α/VEGF/VEGFR-2 signaling pathway. AT-533 also inhibits the activation of the downstream pathways, including Akt/mTOR/p70S6K, Erk1/2 and FAK. AT-533 inhibits the tube formation, cell migration, and invasion of human umbilical vein endothelial cells (HUVECs)[1][2][3].
ERK1/2 inhibitor 8 is a potent ERK inhibitor with an IC50 of 0.48 nM for ERK2 (WO2021110168A1, WX007)[1].
Pluripotin is a dual inhibitor of ERK1 and RasGAP with KDs of 98 nM and 212 nM, respectively. Pluripotin also inhibits RSK1, RSK2, RSK3, and RSK4 with IC50s of 0.5, 2.5, 3.3, and 10.0 µM, respectively.
Cafestol, one of the major components of coffee, is a coffee-specific diterpene from. 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. Cafestol contributes to its beneficial effects through various biological activities such as chemopreventive, antitumorigenic, hepatoprotective, antioxidative and antiinflammatory effects[1].
Emodic acid (NSC624610) is an anthraquinone compound isolated from A. microcarpus, which can inhibit the proliferation of cancer cells by inhibiting the activity of NF-κB. Emodic acid can also inhibit the phosphorylation of p38, ERK and JNK, the secretion of tumor-promoting cytokines IL-1β and IL-6, and the expression of VEGF and MMP, thereby inhibiting the invasion and migration potential of cancer cells[1].
epi-Eriocalyxin A (Epieriocalyxin A), a diterpenoid isolated from Isodon eriocalyx, induces colon cancer apoptosis. epi-Eriocalyxin A also inhibits ERK1/2 and JNK activation, which suppresses Bcl-2 expression[1].
Broussonin E is a phenolic compound and shows anti-inflammatory activity. Broussonin E can suppress inflammation by modulating macrophages activation statevia inhibiting the ERK and p38 MAPK and enhancing JAK2-STAT3 signaling pathway. Broussonin E can be used for the research of inflammation-related diseases such as atherosclerosis[1].
ERK-IN-7 (Example 10), an analogue of SHR2415 (HY-151367), is a potent ERK inhibitor with IC50 of 5 nM and 7 nM against ERK1 and ERK2, respectively[1].
Lidocaine-d10 (Lignocaine-d10) hydrochloride is the deuterium labeled Lidocaine hydrochloride. Lidocaine hydrochloride (Lignocaine hydrochloride) inhibits sodium channels involving complex voltage and using dependence[1]. Lidocaine hydrochloride decreases growth, migration and invasion of gastric carcinoma cells via up-regulating miR-145 expression and further inactivation of MEK/ERK and NF-κB signaling pathways. Lidocaine hydrochloride is an amide derivative commonly used to anesthetize. hydrochloride is a a drug to treat ventricular arrhythmia and an effective tumor-inhibitor[2].
(rel)-AR234960 is an active relative configuration of AR234960. AR234960, a non-peptide MAS (a G protein-coupled receptor) agonist, increases both mRNA and protein levels of CTGF via ERK1/2 signaling in HEK293-MAS cells and adult human cardiac fibroblasts[1].
SY-LB-35 is a potent bone morphogenetic protein (BMP) receptor agonist. SY-LB-35 can stimulate significant increases in cell number and cell viability in the C2C12 myoblast cell line, and causes shifts towards the S and G2/M phases of the cell cycle. SY-LB-35 stimulates canonical Smad and non-canonical PI3K/Akt, ERK, p38 and JNK intracellular signaling pathways[1].
7α,15-Dihydroxydehydroabietic acid is a natural abietane-type diterpenoid with antiangiogenic effects[1].
KRAS G12C inhibitor 61 (Example 3) inhibits phospho-ERK 1/2 in MIA PaCa-2 cells with an IC50 value of 9 nM. KRAS G12C inhibitor 61 can be used for research of pancreatic, colorectal, and lung cancers[1].
XMD8-92 is a highly selective ERK5/BMK1 inhibitor with dissociation constant (Kd) value of 80 nM.
GP17 is a type II kinase inhibitor of the IRE1α endoribonuclease that acts by targeting the ATP-binding pocket of IRE1α.
[Tyr8] Bradykinin is a B2 kinin receptor agonist. [Tyr8] Bradykinin also stimulates ERK1/2 phosphorylation. [Tyr8] Bradykinin can be used as an internal standard[1].