mek1/2

MEK1 2-IN-3 (Compound M15) is an inhibitor of MEK1, with an IC50 value of 10.29 nM. It effectively suppresses tumor cell proliferation and migration, induces apoptosis, and exhibits good liver microsomal stability. MEK1 2-IN-3 is applicable in the study of solid tumors.

MEK1 2-IN-2 is a potent, ATP-competitive MEK1 2 inhibitor that exhibits equal inhibitory effects on both wild-type MEK1 2 and a range of MEK1 2 mutant cells.

Trametinib (DMSO solvate) (GSK-1120212 (DMSO solvate)) is a highly potent and selective MEK inhibitor that specifically inhibits MEK1 2 (IC50: 2 nM).

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.

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.

Refametinib (RDEA119) (RDEA119, Bay 86-9766) is an effective, ATP non-competitive and specific inhibitor of MEK1 2 (IC50: 19 47 nM).

Selumetinib (AZD6244) is a MEK1 2 inhibitor that inhibits MEK1 (IC50=14 nM) with potent selectivity and is non-ATP-competitive. Selumetinib has antitumor activity and is used for the treatment of neurofibromatosis type 1 (NF1).

CI-1040 (PD 184352) (PD184352) is an ATP non-competitive MEK1 2 inhibitor (IC50: 17 nM).

Binimetinib (ARRY-162) is a MEK1 2 inhibitor (IC50=12 nM) with selective and oral activity. Binimetinib has antitumor activity for the treatment of metastatic melanoma that cannot be resected or has a BRAF V600E or V600K mutation.

SL327 is a selective inhibitor for MEK1 2 with IC50 of 0.18 μM 0.22 μM; able to transport through the blood-brain barrier.

AZD8330 (ARRY-704) is a novel, selective, non-ATP competitive MEK 1 2 inhibitor with IC50 of 7 nM. Phase 1.

GW 5074 (Raf1 Kinase Inhibitor I)(IC50=9 nM) is an effective and specific c-Raf inhibitor. It has no effect on the activities of JNK1 2 3, MEK1, MKK6 7, CDK1 2, c-Src, p38 MAP, VEGFR2 or c-Fms.

5Z-7-Oxozeaenol (FR148083) is a potent, irreversible and selective inhibitor of transforming growth factor (TGF)-β-activated kinase 1 with IC50 of 8.1 nM for TAK1 and low activity against MEK1 with IC50 of 411 nM, it is also an inhibitor of VEGF-R2 with IC50 of 52 nM.

Agerafenib hydrochloride, a highly potent inhibitor of BRAFV600E (Kd: 14 nM), demonstrates significant efficacy.

(S,R,S)-AHPC-Me-C10-Br is a chemically synthesized conjugate and ligand-linker for E3 ligase, consisting of MS432 for MEK1 2 inhibitors and a VHL E3 ligase linker.

MEK RAF-IN-1 (Compound 16b) serves as an inhibitor targeting both MEK and RAF, demonstrating potent efficacy with IC 50 values reported at 28 nM for MEK1, and 3 nM for both BRAF and BRAFV600E. This compound exhibits significant antitumor capabilities, effectively curbing cell proliferation in vitro in MIA PaCa-2 (G12C KRAS), HCT116 (G13D KRAS), and C26 (G12D KRAS) cells. Furthermore, MEK RAF-IN-1 significantly restricts tumor growth in xenograft mouse models employed in the study of colorectal cancer.

MEK ligand-2, a ligand for the target protein for PROTAC (Ligand for Target Protein for PROTAC), functions as an inhibitor for both MEK1 and MEK2. This compound plays a crucial role in MS934, which is a VHL-recruiting MEK1 2 PROTAC degrader.

(S,R,S)-AHPC-Me-12-((4-Bromobutyl)amino)dodecanamide comprises a VHL ligand for recruiting E3 ubiquitin ligases and a PROTAC linker. This compound is used in synthesizing PROTACs such as MS934. MS934 represents a novel and improved VHL-recruiting MEK1 2 PROTAC degrader.

Agerafenib (CEP32496) is a highly potent inhibitor of BRAF.

PD184161 is a novel, orally-active MEK inhibitor. PD184161 inhibited MEK activity (IC50 = 10-100 nM) in a time- and concentration-dependent manner[1].

TCS PIM-1 1 (SC 204330)(sc-204330) is an effective and specific ATP-competitive Pim-1 kinase inhibitor (IC50: 50 nM), exhibiting good specificity over MEK1 MEK2 and Pim-2 (IC50s > 20,000 nM).

RGB-286638 free base is a novel CDK inhibitor with IC50s of 1 nM 2 nM 3 nM 4 nM 5 nM for cyclin T1-CDK9 cyclin B1-CDK1 cyclin E-CDK2 cyclin D1-CDK4 cyclin E-CDK3 p35-CDK5 respectively; less potent against cyclin H-CDK7 and cyclin D3-CDK6.

CX-659S is a novel diaminuracil derivative that indirectly inhibits Langerhans cell function by blocking the MEK1/2 -- ERK1/2 pathway in keratinocytes. CX-659S can inhibit the contact hypersensitivity induced by haptens in mice.

2,5-dimethyl Celecoxib is a derivative of celecoxib that does not inhibit COX-2 (IC50 = >100 μM).1 It does inhibit microsomal prostaglandin E synthase-1 (mPGES-1) in HeLa cells (IC50 = 15.6 μM) and reduces prostaglandin E2 production in HeLa, A549, and HCA-7 cells (IC50s = 0.64, 0.83, and 3.08 μM, respectively).2 It inhibits proliferation of drug-sensitive RPMI8226 and multidrug-resistant 8226 Dox40 multiple myeloma cells, as well as increases the rate of apoptosis when used at concentrations of 20 and 30 μM.3 2,5-dimethyl Celecoxib reduces the expression of survivin, cyclin A, cyclin B, MEK1, and MEK2 in 8226 Dox40 cells. The antiproliferative effect of 2,5-dimethyl celecoxib is independent of mPGES-1 inhibition.2References1. Zhu, J., Song, X., Lin, H.-P., et al. Using cyclooxygenase-2 inhibitors as molecular platforms to develop a new class of apoptosis-inducing agents. J. Natl. Cancer Inst. 94(23), 1745-1757 (2002).2. Wobst, I., Schiffmann, S., Birod, K., et al. Dimethylcelecoxib inhibits prostaglandin E2 production. Biochem. Pharmacol. 76(1), 62-69 (2008).3. Kardosh, A., Soriano, N., Liu, Y.-T., et al. Multitarget inhibition of drug-resistant multiple myeloma cell lines by dimethyl-celecoxib (DMC), a non-COX-2 inhibitory analog of celecoxib. Blood 106(13), 4330-4338 (2005). 2,5-dimethyl Celecoxib is a derivative of celecoxib that does not inhibit COX-2 (IC50 = >100 μM).1 It does inhibit microsomal prostaglandin E synthase-1 (mPGES-1) in HeLa cells (IC50 = 15.6 μM) and reduces prostaglandin E2 production in HeLa, A549, and HCA-7 cells (IC50s = 0.64, 0.83, and 3.08 μM, respectively).2 It inhibits proliferation of drug-sensitive RPMI8226 and multidrug-resistant 8226 Dox40 multiple myeloma cells, as well as increases the rate of apoptosis when used at concentrations of 20 and 30 μM.3 2,5-dimethyl Celecoxib reduces the expression of survivin, cyclin A, cyclin B, MEK1, and MEK2 in 8226 Dox40 cells. The antiproliferative effect of 2,5-dimethyl celecoxib is independent of mPGES-1 inhibition.2 References1. Zhu, J., Song, X., Lin, H.-P., et al. Using cyclooxygenase-2 inhibitors as molecular platforms to develop a new class of apoptosis-inducing agents. J. Natl. Cancer Inst. 94(23), 1745-1757 (2002).2. Wobst, I., Schiffmann, S., Birod, K., et al. Dimethylcelecoxib inhibits prostaglandin E2 production. Biochem. Pharmacol. 76(1), 62-69 (2008).3. Kardosh, A., Soriano, N., Liu, Y.-T., et al. Multitarget inhibition of drug-resistant multiple myeloma cell lines by dimethyl-celecoxib (DMC), a non-COX-2 inhibitory analog of celecoxib. Blood 106(13), 4330-4338 (2005).