NMDAR/TRPM4-IN-2 free base (compound 8) is a potent NMDAR/TRPM4 interaction interface inhibitor. NMDAR/TRPM4-IN-2 free base shows neuroprotective activity. NMDAR/TRPM4-IN-2 free base prevents NMDA-induced cell death and mitochondrial dysfunction in hippocampal neurons, with an IC50 of 2.1 μM. NMDAR/TRPM4-IN-2 free base protects mice from MCAO-induced brain damage and NMDA-induced retinal ganglion cell loss[1].
HPK1-IN-28 is a potent inhibitor of HPK1. Hematopoietic progenitor kinase 1 (HPK1) is a negative regulator of the activation response of dendritic cells (DCs), T cells and B cells. HPK1-IN-28 enhances the body's anti-tumor immunity. HPK1-IN-28 has the potential for the research of immune-related diseases, especially tumor (extracted from patent WO2021175270A1, compound 1)[1].
ERK-IN-2 free base is a ERK2 inhibitor with an IC50 value of 1.8 nM. ERK-IN-2 free base might lead to off-target toxicity and/or off-target activity at dose >10 μM[1].
Balanophonin is an anti-inflammatory and anti-cancer agent. Balanophonin inhibits microglial activation and neurodegeneration via inhibiting activated microglia-induced apoptosis[1].
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. ERK5-IN-2 does not interact with the BRD4 bromodomain. ERK5-IN-2 suppresses both tumor xenograft growth and basic fibroblast growth factor (bFGF) driven Matrigel plug angiogenesis[1].
LY-2584702 tosylate salt is a selective ATP competitive inhibitor of p70S6K with an IC50 of 4 nM. In S6K1 enzyme assay, the IC50 of LY-2584702 is 2 nM.
AEG3482 is a potent antiapoptotic compound that inhibits Jun kinase (JNK) activity through induced expression of heat shock protein 70 (HSP70). AEG3482 directly binds HSP90, thereby facilitating HSF1-dependent expression of HSP70 and HSP25[1].
Ophiopogonin B induces the autophagy and apoptosis of colon cancer cells by activating JNK/c-Jun signaling pathway. Ophiopogonin B is a saponin compound isolated from Radix Ophiopogonjaponicus[1].
Larixol is an fMLP inhibitor and also inhibits Src kinase, ERK1/2, p38 and AKT phosphorylation signals in immune regulation. Larixol can interfere with the interaction between the βγ subunit of the fMLP receptor Gi protein and its downstream molecules, thereby inhibiting fMLP-induced respiratory burst. Larixol inhibits fMLP (0.1 μM)-induced superoxide anion production (IC50: 1.98 μM), cathepsin G release (IC50: 2.76 μM), and chemotaxis. Larixol improves neutrophil hyperactivation and reduces inflammation or tissue damage. A series of Larixol derivatives were found to have inhibitory effects on FSGS-related TRPC6 functional mutants[1][2].
Ulixertinib (VRT752271) is a reversible, ATP-competitive inhibitor of ERK1 and ERK2 kinases, with IC50 of <0.3 nM against ERK2.
CID 5951923 is a potent inhibitor of Krüppel-like factor 5 (KLF5), with an IC50 of 603 nM. CID 5951923 can inhibit proliferation of cancer cells in vitro[1].
DLK-IN-1 is a selective inhibitor of dual leucine zipper kinase (DLK, MAP3K12), with a Ki of 3 nM. DLK-IN-1 retains excellent CNS penetration and is well tolerated following multiple days of dosing at concentrations that exceed those required for DLK inhibition in the brain. DLK-IN-1 has activity in a model of Alzheimer’s Disease.
E6201 (ER-806201) is an ATP-competitive dual kinase inhibitor of MEK1 and FLT3. E6201 inhibits MEK1- induced ERK2 phosphorylation with an IC50 value of 5.2 nM, MKK4-induced JNK phosphorylation with an IC50 value of 91 nM, and MKK6-induced p38 MAPK phosphorylation with an IC50 value of 19 nM. Anti-tumor and anti-psoriasis efficacy[1][2].
TC ASK 10 (Compound 10) is a potent, selective and orally active apoptosis signal-regulating kinase 1 (ASK1) inhibitor with an IC50 of 14 nM. The inhibitory activities of TC ASK 10 towards other representative panel of kinases are less than 50%, except for ASK2 (IC50 of 0.51 μM)[1].
PH-797804 is a novel pyridinone inhibitor of p38α with IC50 of 26 nM; 4-fold more selective versus p38β and does not inhibit JNK2.IC50 value: 26 nM [1]Target: p38αMAPKin vitro: PH-797804 blocks LPS-induced TNF-α production and p38 kinase activity in the human monocytic U937 cell line, with comparable IC50 of 5.9 nM and 1.1 nM. PH-797804 has no inhibitory effect on either the JNK pathway (c-Jun phosphorylation) or ERK pathway (ERK phosphorylation) in U937 cells at concentrations up to 1 μM. PH-797804 inhibits RANKL- and M-CSF-induced osteoclast formation in a concentration-dependent manner, with IC50 of 3 nM in primary rat bone marrow cells [1]. IC50 values for PH-797804 against the following targets have been determined to be greater than 200 μM (unless specified): CDK2, ERK2, IKK1, IKK2, IKKi, MAPKAP2, MAPKAP3, MKK7 (>100 μM), MNK, MSK (>164 μM), PRAK, RSK2, and TBK1, which means the activity of PH-797804 is specific [2]. in vivo: Orally dosing of PH-797804 effectively inhibits acute inflammatory responses induced by systemically administered endotoxin in both rat and cynomolgus monkeys. PH-797804 treatment for 10 days demonstrates robust anti-inflammatory activity in chronic disease models, significantly reducing both joint inflammation and associated bone loss in streptococcal cell wall-induced arthritis in rats and mouse collagen-induced arthritis. Dose-response analysis resulted in ED50 values of 0.07 mg/kg and 0.095 mg/kg in rat and cynomolgus monkeys, respectively. PH-797804 inhibits LPS-induced TNF-α, IL-6, and MK-2 activity in a dose- and concentration-dependent manner in a human endotoxin challenge model [1].
6-O-Isobutyrylbritannilactone is a natural melanogenesis inhibitor. 6-O-Isobutyrylbritannilactone, a sesquiterpene, can be isolated from the flowers of Inula britannica. 6-O-Isobutyrylbritannilactone inhibits IBMX (HY-12318)-induced melanin production in B16F10 cells. 6-O-Isobutyrylbritannilactone also regulates ERK, PI3K/AKT, and CREB, shows antimelanogenic activity in zebrafish embryos models[1].
Salicortin, a phenolic glycoside, has been isolated from many plants such as Populus and Salix species. Salicortin inhibits osteoclast differentiation and bone resorption by down-regulating JNK and NF-κB/NFATc1 signaling pathways. Salicortin has anti-amnesic, anti-adipogenic, and immune-modulatory activity[1].
Dilmapimod (SB-681323) is a potent p38 MAPK inhibitor that potentially suppresses inflammation in chronic obstructive pulmonary disease.
Talmapimod (SCIO-469) is a selective ATP-competitive p38 inhibitor with IC50 of 9 nM for p38α.
JNK3 inhibitor-2 is a potent and selective JNK3 inhibitor with IC50 values of >100, >100, 0.25 µM for JNK1, JNK2, JNK3, respectively. JNK3 inhibitor-2 shows DDR1 and EGFR (T790M, L858R) inhibition[1].
Esculentoside H (EsH) is a water-soluble saponin isolated and purified from the root extract of perennial plant Phytolacca esculenta[1]. Esculentoside H (EH) has anti-tumor activity, the mechanism is related to the capacity for TNFrelease[2].Esculentoside H (EsH) suppresses colon cancer cell migration through blockage of the JNK1/2 and NF-κB signaling-mediated matrix metalloproteinases-9 (MMP-9) expression[1].
p38 MAPK-IN-1 is a novel potent and selective inhibitor of p38 MAPK with IC50 of 68 nM, shows sustained levels, low clearance and good bioavailability.
HPK1-IN-22 (compound ZYF0033) is a hematopoietic progenitor kinase 1 (HPK1) inhibitor with an IC50 less than 10 nM based on the phosphorylation inhibition of MBP protein. HPK1-IN-22 decreases the phosphorylation of SLP76 (serine 376). HPK1-IN-22 promotes anticancer immune responses.HPK1-IN-22 inhibits tumor growth and caused increases intratumoral infiltration of DCs, NK cells, and CD107a+CD8+ T cells but decreased infiltration of regulatory T cells, PD-1+CD8+ T cells, TIM-3+CD8+ T cells, and LAG3+CD8+ T cells in the 4T-1 syngeneic mouse model[1].
HPK1-IN-10 is potent inhibitor of HPK1. HPK1 is a serine/threonine protein kinase cloned from hematopoietic progenitor cells and belongs to the MAP4K family of mammalian Ste-20-related protein kinases. HPK1-IN-10 has the potential for the research of HPK1 related diseases (extracted from patent WO2021213317A1, compound 103) [1].
(R)-VX-11e (Compound 1) is an ERK2 inhibitor[1].
Mogrol is a biometabolite of mogrosides, and acts via inhibition of the ERK1/2 and STAT3 pathways, or reducing CREB activation and activating AMPK signaling.
Org OD 02-0 (10-Ethenyl-19-norprogesterone) is a membrane progesterone receptor α (mPRα)-specific agonist (IC50: 33.9 nM). Org OD 02-0 activates MAPK activity. Org OD 02-0 inhibits prolactin (PRL) secretion in the pituitary[1][2].
PD 169316 is a potent, cell-permeable and selective p38 MAP kinase inhibitor, with IC50 of 89 nM.
Quercitrin is a natural compound found in Tartary buckwheat with a potential anti-inflammation effect that is used to treat heart and vascular conditions.IC50 value:Target:In vitro: There were significant increases in caspase-3 activity, loss of MMP, and increases in the apoptotic cell population in response to quercitrin in DLD-1 colon cancer cells in a time- and dose-dependent manner. [1] In vivo: ICR mice received CCl4 intraperitoneally with or without quercitrin co-administration for 4 weeks. Data showed that quercitrin significantly suppressed the elevation of reactive oxygen species (ROS) production and malondialdehyde (MDA) content, reduced tissue plasminogen activator (t-PA) activity, enhanced the antioxidant enzyme activities and abrogated cytochrome P450 2E1 (CYP2E1) induction in mouse brains. [2]
PLX-4720 is a potent and selective inhibitor of B-RafV600E with IC50 of 13 nM in a cell-free assay, equally potent to c-Raf-1(Y340D and Y341D mutations), and 10-fold selectivity for B-RafV600E than wild-type B-Raf.