Ras Inhibitor

FTI-277 hydrochloride is an inhibitor of farnesyl transferase (FTase); a highly potent Ras CAAX peptidomimetic which antagonizes both H- and K-Ras oncogenic signaling. FTI-277 hydrochloride can inhibit hepatitis delta virus (HDV) infection.

Olomorasib is a potent inhibitor of KRAS G12C. Olomorasib significantly inhibits tumor growth (extracted from patent WO2021118877A1).

ADT-007 is a potent and orally active pan-RAS inhibitor with strong anticancer effects. ADT-007 binds RAS in a nucleotide-free conformation to block GTP activation. ADT-007 potently and selectively inhibits the growth of cancer cells with mutated or hyper-activated wild-type RAS isozymes.

CCG-203971 is a second-generation Rho/MRTF/SRF pathway inhibitor. CCG-203971 potently targets RhoA/C-activated SRE-luciferase (IC₅₀ =6.4 μM). CCG-203971 inhibits PC-3 cell migration with an IC₅₀ of 4.2 μM. Potential anti-metastasis Agent.

1A-116, a potent Rac1 inhibitor, is specific for W56 residues, can prevent EGF-induced Rac1 activation and block Rac1-P-Rex1 interaction. 1A-116 can induce apoptosis and inhibit cell proliferation, migration and cycle progression in a concentration-dependent manner. 1A-116 also demonstrates a high antimetastatic activity in vivo.

Y16 is a specific inhibitor of Leukemia-associated Rho guanine nucleotide exchange factor (LARG) with a K_d value of 76 nM. Y16 is active in blocking the interaction of LARG and related G-protein-coupled Rho GEFs with RhoA. Y16 shows no detectable effect on other diffuse B-cell lymphoma (Dbl) family Rho GEFs, Rho effectors, or a RhoGAP.

ZCL278 is a selective Cdc42 inhibitor with K_ds of 6.4 μM in fluorescence titration and 11.4 μM in surface plasmon resonance (SPR) measurement. ZCL278 is able to disrupt the Cdc42-ITSN interaction as well as GTP/GDP binding. ZCL278 has inhibitory effects on various enveloped viruses, but is ineffective against non-enveloped viruses. ZCL278 can be used for the studies of arsenic neurotoxicity and HER2-positive gastric cancer (GC).

Pan-RAS-IN-1 is a pan-Ras inhibitor that disrupts the interaction of Ras proteins and their effectors.

Z62954982 (ZINC08010136) is a potent, selective and cell-permeable Rac1 (IC₅₀=12 μM) inhibitor that is 4 times more effective than NSC23766 (HY-15723A) (IC₅₀=50 μM). Z62954982 disrupts the Rac1/Tiam1 complex and decreases cytoplasmic levels of active Rac1 (GTP-bound Rac1), without affecting the activity of other Rho GTPases (such as Cdc42 or RhoA).

Glecirasib (Compound 1-2; JAB-21822) is an orally active and potent inhibitor of KRAS G12C. The Ras family of proteins is an important intracellular signaling molecule that plays an important role in growth and development. Glecirasib has the potential for the research of KRAS G12C-mediated cancer.

BMS-214662 is a farnesyl transferase inhibitor. BMS-214662 can effectively block the localization and function of Ras protein in the cell membrane by inhibiting the pro-group modification of Ras protein, thereby exerting anti-tumor activity. BMS-214662 has an IC₅₀ value of 1.3 nM for H-Ras and 8.4 nM for K-Ras. BMS-214662 can be used to study Ras-related tumor diseases.

CCG-222740 is an orally active and selective Rho/myocardin-related transcription factor (MRTF) pathway inhibitor. CCG-222740 is also a potent inhibitor of alpha-smooth muscle actin protein expression. CCG-222740 effectively reduces fibrosis in skin and blocks melanoma metastasis.

Pan-rasin-2 (compound 6A) is an orally active molecular glues that targets RAS. Pan-RAS-IN-2 inhibits pERK (IC₅₀ in AsPC-1 cells: 0.3 nM). Pan-rasin-2 has significant inhibitory activity on cell proliferation of RAS mutant cell lines. Pan-rasin-2 can form ternary complexes with cyclophilin A (CYPA) and RAS (ON) proteins and the formation of ternary complexes can block the binding of RAF downstream of RAS, which has anti-tumor (such as colorectal cancer, pancreatic cancer) effects.

Levistolide A is an apoptosis inducer and a PEDV virus inhibitor. Levistolide A can induce apoptosis in colon cancer cells and suppress the replication of porcine epidemic diarrhea virus (PEDV) by promoting ROS generation. Levistolide A activates peroxisome proliferator-activated receptor γ (PPARγ) in N2a/APP695swe cells and reduces excessive phosphorylation of tau through the GSK3α/β pathway, improving symptoms in Alzheimer’s mice. Levistolide A improves kidney damage in 5/6 nephrectomy (Nx) mice by inhibiting the RAS,TGF-β1/Smad, and MAPK pathways.

Fendiline hydrochloride, a diphenylalkylamine type of antianginal agent, is an L-type calcium channel blocker (IC₅₀ of 17 µM). Fendiline hydrochloride is also a selective K-Ras inhibitor, and has no effect on H-Ras and N-Ras. Fendiline hydrochloride inhibits K-Ras plasma membrane localization (IC₅₀ of 9.64 μM), inhibits K-Ras signal output and blocks the proliferation of pancreatic, colon, lung, and endometrial cancer cell lines expressing oncogenic mutant K-Ras. Fendiline hydrochloride is a STING agonist and is able to inhibit the growth of multiple refractory cold tumors (MC38, CT26 and B16F10).

CE3F4 is a selective antagonist of exchange protein directly activated by cAMP (Epac1), with IC₅₀s of 10.7 μM and 66 μM for Epac1 and Epac2(B), respectively.

RAS inhibitor Abd-7, a potent RAS-binding compound (K_d=51 nM), is a RAS-effector protein-protein interaction (PPI) inhibitor. RAS inhibitor Abd-7 interacts with RAS inside the cells, prevents RAS-effector interactions and inhibits endogenous RAS-dependent signaling. RAS inhibitor Abd-7 impairs the PPI of various mutant KRAS proteins with PI3K, CRAF and RALGDS as well as NRAS Q61H and HRAS G12V.

CCG-100602 is a specific inhibitor of myocardin-related transcription factor A/serum response factor (MRTF-A/SRF) signaling. CCG-100602 specifically block MRTF-A nuclear localization and thus inhibit the fibrogenic transcription factor SRF.

BQU57 is a selective inhibitor of RalA/RalB small GTPases, with a binding potency (Kb) of 7.7 μM for RalB-GDP. BQU57 can block its interaction with effector proteins (such as SEC5 and EXO84), inhibiting tumor cell migration, invasion and non-adherent growth. BQU57 downregulates the NF-κB signaling pathway, reduces the expression of IL-6, IL-8 and MMP-13, and inhibits apoptosis by regulating the Bcl-2/Bax balance. BQU57 also protects the extracellular matrix by inhibiting the Ral/NF-κB pathway and can be used for the study of degenerative diseases. BQU57 exhibits significant antitumor activity in triple-negative breast cancer (TNBC) models, inhibiting orthotopic tumor growth and lung metastasis and enhancing paclitaxel chemotherapy sensitivity.

Elisrasib (D3S-001) is an orally active and selective inhibitor for KRAS. Elisrasib inhibits the proliferation of KRAS^G12C mutant H358 and MIA-PA-CA-2. D3S-001 also inhibits the phosphorylation of cellular ERK1/2. Elisrasib exhibits good metabolic stability in hepatocytes, liver microsomes, plasma and whole blood in various species. D3S-001 exhibits good pharmacokinetic characteristics and antitumor efficacy in mice.