MAPK

KRASG12C IN-14 (compound 15), a potent inhibitor specifically designed for the KRAS G12C mutation, exhibits impressive efficacy in impeding CYPA-dependent KRAS-BRAF interaction and ERK phosphorylation in NCI-H358 cells, both with an IC 50 of 0.002 μM.

NUCC-0200808 (Compound 12g) is an MNK1 inhibitor with an IC50 of 42 nM. It reduces eIF4E phosphorylation and cell viability in AML cells and induces apoptosis. NUCC-0200808 shows potential for research in the field of leukemia.

HPK1-IN-8 is an allosteric, inactive, conformation-selective triazolopyrimidine ketone HPK1 inhibitor.

RTIL 13 inhibits dynamin GTPase (IC50: 2.3 μM), targets its lipid binding domain, and suppresses endocytosis (IC50: 9.3 & 7.1 μM).

FAM49B (190-198) mouse represents a peptide fragment of the mitochondria-localized protein FAM49B, which is instrumental in regulating mitochondrial fission, function, and integrity, in addition to influencing tumor progression. Beyond its role in mitochondrial dynamics, FAM49B serves as a negative regulator of T cell activation by inhibiting GTPase Rac activity and affecting cytoskeleton reorganization.

DS03090629, an orally active MEK inhibitor, functions by competitively inhibiting MEK activity in the presence of ATP. This compound demonstrates strong binding affinity to both MEK and phosphorylated MEK, with dissociation constants (Kd) of 0.11 and 0.15 nM, respectively. It has shown efficacy in suppressing the proliferation of melanoma cell lines that overexpress BRAF mutations, achieving IC50 values of 74.3 and 97.8 nM for BRAF V600E and MEK1 F53L transfected A375 cells, respectively. DS03090629 is thus considered promising for anti-melanoma therapies.

BI1701963 is an orally effective inhibitor that targets the SOS1 and KRAS interaction, specifically inhibiting the activation of KRAS by blocking its GTP loading. This compound is utilized in cancer research to explore potential therapeutic effects against KRAS-driven malignancies.

KRAS Inhibitor-38 (Example 18) is a potent inhibitor capable of effectively suppressing the activity of KRAS G12C, KRAS G12D, and KRAS G12V in vivo.

KRAS G12D inhibitor 17, a quinazoline-linked prolinamide, degrades mutant KRAS protein; a PROTAC.

MC 976 is a derivative of Vitamin D3.

Pan-RAS-IN-6 (compound 24) serves as a DUSP6 inhibitor, effectively reducing MAPK activation in the NCI-H1373-Luc model (DUSP6). It concurrently exhibits notable tumor growth inhibition and regression in the NSCLC brain metastasis mouse model. The compound displays high selectivity and potent inhibitory effects, particularly on KRAS mutation-associated signaling pathways. It demonstrates varied inhibitory activities against distinct KRAS mutants and their interacting proteins. The IC 50 values for KRAS G12C, G12D, and G12V are 1.3 nM, 4.7 nM, and 0.3 nM, respectively.

PROTAC K-Ras degrader-2 (compound 48) is a broad-spectrum KRAS mutant PROTAC degrader that demonstrates an IC50 of ≤200 nM for KRAS G12V/RAF1. Additionally, PROTAC K-Ras degrader-2 achieves a DC50 of ≤200 nM in degrading SW620 KRAS G12D and inhibits the growth of SW620 3D cells with an IC50 of ≤20 nM.

HSND80 (Compound 1) is an orally active MNK/p70S6K inhibitor, exhibiting a Kd value of 44 nM for MNK1 and 4 nM for MNK2. The residence time of HSND80 on MNK1 and MNK2 is 45 minutes and 58 minutes, respectively. HSND80 effectively inhibits non-small cell lung cancer (NSCLC) both in vitro and in vivo, and suppresses the growth of triple-negative breast cancer (TNBC) cells in vitro.

KRAS inhibitor-33 (compound 115a) is a pyrido[2,3-d]pyrimidine derivative that serves as an effective inhibitor of KRAS, exhibiting an IC50 value of ≤ 100nM.

14.3.3 protein antagonist, blocks binding to Raf-1/Bad/ASK1/exoenzyme S, competitive, no phosphorylation needed, KD ~80 nM.

KRAS G12C Inhibitor 60 (compound 23), a selective inhibitor targeting the Kras-G12C mutation, is utilized in the investigation of lung, colorectal, and

JNK3 inhibitor-8: potent, selective, oral, BBB-penetrating, IC50: JNK3=21 nM, JNK2=2203 nM, JNK1>10,000 nM; potential in Alzheimer's research.

KRAS G12D inhibitor 6 is an efficacious compound that effectively inhibits KRAS G12D.