trka/trkb

Amitriptyline hydrochloride (Annoyltin) is the hydrochloride salt of the tricyclic dibenzocycloheptadiene amitriptyline with antidepressant and antinociceptive activities.

Trk-IN-4 (PF-6683324) is a potent pan-Trk inhibitor with IC50 = 1.1~2.6 nM for TrkA/TrkB/TrkC and antinociceptive effects. It is also a selective type II PTK6 inhibitor with IC50 = 76 nM and has antitumor effects.

CG 428 is a potent tropomyosin receptor Kinase (TRK) Degrader (uSMITETM) with a DC50 of 0.36 nM. CG 428 comprises an analog of the pan-TRK inhibitor GNF-8625 joined by a linker to the cereblon E3 ligase ligand pomalidomide. CG 428 shows selectivity for TRKA over TRKC and TRKB with Kds of 1nM, 4.2 nM, and 28 nM. CG 428 inhibits the growth of KM12 colon cancer cells with an IC50 of 2.9 nM.

IHMT-TRK-284 (Compound 34) is a potent, orally active type II TRK kinase inhibitor with IC50 values of 10.5 nM for TRKA, 0.7 nM for TRKB, and 2.6 nM for TRKC. The compound demonstrates good selectivity within the kinase group and exhibits significant anti-tumor efficacy in vivo.

Entrectinib (RXDX-101) is a Trk, ROS1, and ALK inhibitor that inhibits TrkA, TrkB, TrkC, ROS1, and ALK (IC50=1/3/5/12/7 nM) with oral activity and blood-brain-barrier penetration. Entrectinib exhibits both antitumor and CNS activity.

RIPK1-IN-7 is a potent and selective inhibitor of RIPK1 (Kd of 4 nM and enzymatic IC50 of 11 nM), exhibiting excellent antimetastasis activity in the experimental B16 melanoma lung metastasis model.

Sitravatinib malate is an orally bioavailable receptor inhibitor of tyrosine kinase (RTK) (IC50s of 1.5 nM, 2 nM, 2 nM, 5 nM, 6 nM, 6 nM, 8 nM, 0.5 nM, 29 nM, 5 nM, and 9 nM for Axl, MER, VEGFR3, VEGFR2, VEGFR1, KIT, FLT3, DDR2, DDR1, TRKA, TRKB, respectively.) , shows potent single-agent antitumor efficacy and enhances the activity of PD-1 blockade through promoting an antitumor immune microenvironment.

PF-06733804 is a potent inhibitor of pan-Trk in cell-based assays (IC50s: 8.4 nM, 6.2 nM, and 2.2 nM for TrkA, TrkB, and TrkC) with anti-hyperalgesic effect.

TrkA-IN-1 is a potent and selective inhibitor of Tropomyosin-related kinase A (TrkA) [IC50: 99 nM in a cell-based assay] with analgesic activity.

AZ-23 is an inhibitor of ATP-competitive and Trk kinase A/B/C. For TrkA, TrkB, FGFR1, Flt3, Ret, MuSk, Lck, the IC50s values are 2 nM, 8 nM, 24 nM, 52 nM, 55 nM, 84 nM, 99 nM, respectively.

CE-245677 is a potent, reversible inhibitor of Tie2 and TrkA/B kinases, with cellular IC50 values of 4.7 nM and 1 nM, respectively.

PF-06737007 is an effective inhibitor of pan-Trk in cell-based assays (IC50s: 7.7 nM, 15 nM, and 3.9 nM for TrkA, TrkB, and TrkC, respectively).

PF-06273340 is an effective, Selective, and Peripherally Restricted Pan-Trk inhibitor (IC50: Trk-A = 6 nM; Trk-B = 4 nM; Trk-C = 3 nM). PF-06273340 has low metabolic turnover in HLM and hHep is a good substrate for efflux transporters P-gp (ER = 35.7) and BCRP (ER = 4.0) and has moderate passive permeability (RRCK Papp = 5.4 × 10 6 cm s 1).

NMS-P626 functions as an inhibitor targeting TRKA, TRKB, and TRKC, exhibiting IC 50 values of 8 nM, 7 nM, and 3 nM respectively. It effectively suppresses KM12 cell growth by inhibiting the phosphorylation of TPM3-TRKA and the subsequent downstream signaling, demonstrating an IC 50 of 19 nM specifically for KM12 cells. This compound is applicable in the study of colorectal cancer.

JND4135, a type II TRK inhibitor, exhibits IC50 values targeting TRKA, TRKB, and TRKC at 2.79, 3.19, and 3.01 nM, respectively. It can overcome resistance due to TRKxDFG and other mutations in the BaF3 stable model, inhibiting the phosphorylation of TRKs WT, xDFG mutations, and their downstream signaling molecules. Additionally, JND4135 induces G0/G1 phase arrest and cell apoptosis (apoptosis) in BaF3–CD74-TRKA-G667C cells. This compound also demonstrates antitumor activity in a BaF3-CD74-TRKA-G667C mouse xenograft model by suppressing tumor growth.

CEP-751 (also known as KT-6587) is a potent Trk inhibitor. It exhibits significant growth inhibition in MBL cell line D283 (Day 39, P=0.031) and demonstrates moderate growth inhibition in IMR5 (P=0.062) and CHP-134 (P=0.049) cell lines. Additionally, CEP-751 induces apoptosis in CHP-134 tumors. It may be a useful compound for treating NBL or MBL. At a concentration of 100 nM, CEP-751 inhibits the receptor tyrosine kinase activity of neurotrophin receptors trkA, trkB, and trkC. It also shows antitumor effects on tumors derived from trkA-transfected NIH3T3 cells.

Ocifisertib hydrochloride (CFI-400945 hydrochloride) is the hydrochloride salt form of Ocifisertib. It is an orally bioavailable PLK4 inhibitor with a Ki of 0.26 nM and an IC50 of 2.8 nM. This compound inhibits the growth of multiple cancer cell types, causes cell cycle arrest at the G2/M phase, and induces apoptosis. In mouse models, Ocifisertib hydrochloride exhibits antitumor activity.

TRK-IN-30 (Compound C11) is an inhibitor of tropomyosin receptor kinases (TRK), effectively inhibiting TRKA, TRKB, TRKC, and the resistant mutant TRKAG595R, with IC50 values of 1.8, 0.98, 3.8, and 54 nM, respectively. It also suppresses the activation of downstream PI3K/AKT and MEK/ERK signaling pathways. TRK-IN-30 hinders colony formation and cell migration of Km-12, induces cell cycle arrest at the G0/G1 phase, and triggers apoptosis in Km-12 cells.

TrkA-IN-10 (PI-15R) is a TrkA inhibitor with IC50 values of 17 nM, 8 nM, and 5 nM for TrkA, TrkB, and TrkC, respectively. It is utilized in cancer research.

Taletrectinib (AB-106) is a new-generation selective inhibitor of ROS1/NTRK including ROS1,NTRK1,NTRK2 and NTRK3 with IC50 of 0.207 nM,0.622 nM,2.28 nM and 0.980 nM, respectively.

CFI-400945 is an orally active, potent, and selective inhibitor of polo-like kinase 4.

Dual IGF-1R/InsR Inhibitor BMS-754807 is an oral small molecule inhibitor of insulin-like growth factor 1 receptor (IGF-1R) and insulin receptor (InsR) tyrosine kinases with potential antineoplastic activity.

Ganglioside GM1is a monosialylated ganglioside and the prototypic ganglioside for those containing one sialic acid residue.1,2It is found in a large variety of cells, including immune cells and neurons, and is enriched in lipid rafts in the cell membrane.3It associates with growth factor receptors, including TrkA, TrkB, and the GDNF receptor complex containing Ret and GFRα, and is required for TrkA expression on the cell surface. Ganglioside GM1interacts with other proteins to increase calcium influx, affecting various calcium-dependent processes, including inducing neuronal outgrowth during differentiation. Ganglioside GM1acts as a receptor for cholera toxin, which binds to its oligosaccharide group, facilitating toxin cell entry into epithelial cells of the jejunum.4,5Similarly, it is bound by the heat-labile enterotoxin fromE. coliin the pathogenesis of traveler's diarrhea.6Ganglioside GM1gangliosidosis, characterized by a deficiency in GM1-β-galactosidase, the enzyme that degrades ganglioside GM1, leads to accumulation of the gangliosides GM1and GA1in neurons and can be fatal in infants.1Levels of ganglioside GM1are decreased in the substantia nigra pars compacta in postmortem brain from patients with Parkinson's disease.3Ganglioside GM1mixture contains a mixture of ovine ganglioside GM1molecular species with primarily C18:0 fatty acyl chain lengths, among various others. [Matreya, LLC. Catalog No. 1544] 1.Kolter, T.Ganglioside biochemistryISRN Biochem.506160(2012) 2.Mocchetti, I.Exogenous gangliosides, neuronal plasticity and repair, and the neurotrophinsCell Mol. Life Sci.62(19-20)2283-2294(2005) 3.Ledeen, R.W., and Wu, G.The multi-tasked life of GM1 ganglioside, a true factotum of natureTrends Biochem. Sci.40(7)407-418(2015) 4.Turnbull, W.B., Precious, B.L., and Homans, S.W.Dissecting the cholera toxin-ganglioside GM1 interaction by isothermal titration calorimetryJ. Am. Chem. Soc.126(4)1047-1054(2004) 5.Blank, N., Schiller, M., Krienke, S., et al.Cholera toxin binds to lipid rafts but has a limited specificity for ganglioside GM1Immunol. Cell Biol.85(5)378-382(2007) 6.Minke, W.E., Roach, C., Hol, W.G., et al.Structure-based exploration of the ganglioside GM1 binding sites of Escherichia coli heat-labile enterotoxin and cholera toxin for the discovery of receptor antagonistsBiochemistry38(18)5684-5692(1999)

Belizatinib (TSR-011) is an effective, oral and dual inhibitor of ALK (IC50: 0.7 nM, wild-type recombinant ALK) and TRKA, TRKB, and TRKC.