1. Signaling Pathways
  2. Neuronal Signaling
    Protein Tyrosine Kinase/RTK
  3. Trk Receptor

Trk Receptor

Trk receptors are a family of three receptor tyrosine kinases (TrkA, TrkB, and TrkC), each of which can be activated by one or more of four neurotrophins-nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and neurotrophins 3 and 4 (NT3 and NT4).

TrkA, TrkB, and TrkC are transmembrane proteins that comprise the TRK receptor family. These receptor tyrosine kinases are expressed in human neuronal tissue, and play an essential role in both the physiology of development and function of the nervous system through activation by neurotrophins (NTs). The latter are specific ligands known as NGF for TrkA, BDGF, and NT-4/5 for TrkB and NT3 for TrkC, respectively.

The binding of the ligand to the receptor triggers the oligomerisation of the receptors and phosphorylation of specific tyrosine residues in the intracytoplasmic kinase domain. This event results into the activation of signal transduction pathways leading to proliferation, differentiation and survival in normal and neoplastic neuronal cells.

Trk Receptor Related Products (33):

Cat. No. Product Name Effect Purity
  • HY-12678
    Entrectinib Inhibitor 99.32%
    Entrectinib (NMS-E628) is a potent, orally available, and CNS-active pan-Trk, ROS1, and ALK inhibitor. Entrectinib inhibits TrkA, TrkB, TrkC, ROS1 and ALK with IC50 values of 1, 3, 5, 12 and 7 nM, respectively. Antitumor activity.
  • HY-12866
    Larotrectinib Inhibitor 99.93%
    Larotrectinib (LOXO-101) is an ATP-competitive oral, selective inhibitor of the tropomyosin-related kinase (TRK) family receptors, with low nanomolar 50% inhibitory concentrations against all three isoforms (TRKA, B, and C).
  • HY-12497
    ANA-12 Antagonist 99.95%
    ANA-12 is a potent and selective TrkB antagonist with IC50s of 45.6 nM and 41.1 μM for the high and low affinity sites, respectively.
  • HY-101977
    Selitrectinib Inhibitor 99.90%
    Selitrectinib (LOXO-195) is a next-generation TRK kinase inhibitor, with IC50s of 0.6 nM and <2.5 nM for TRKA and TRKC, respectively.
  • HY-103022
    Repotrectinib Inhibitor 99.81%
    Repotrectinib (TPX-0005) is a potent ROS1 (IC50=0.07 nM) and TRK (IC50=0.83/0.05/0.1 nM for TRKA/B/C) inhibitor. Repotrectinib potently inhibits WT ALK (IC50=1.01 nM). Repotrectinib has anti-cancer activity.
  • HY-114357A
    DS-1205b free base Inhibitor 99.92%
    DS-1205b free base is a potent and selective inhibitor of AXL kinase, with an IC50 of 1.3 nM. DS-1205b free base also inhibits MER, MET, and TRKA, with IC50s of 63, 104, and 407 nM, respectively. DS-1205b free base can inhibit cell migration in vitro and tumor growth in vivo.
  • HY-P1178
    Cyclotraxin B Inhibitor
    Cyclotraxin B, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B non-competitively inhibits BDNF-induced TrkB activity with an IC50  of  0.30 nM. Cyclotraxin B can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects.
  • HY-N6732
    K-252a Inhibitor ≥99.0%
    K-252a, a staurosporine analog, inhibits protein kinase, with IC50 values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca2+/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively. K-252a is a potent inhibitor (IC50 of 3 nM) of the tyrosine protein kinase (TRK) activity of the NGF receptor gp140trk, the product of the trk protooncogene.
  • HY-16961
    Sitravatinib Inhibitor 99.85%
    Sitravatinib (MGCD516) is an orally bioavailable receptor tyrosine kinase (RTK) inhibitor with 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. Sitravatinib shows potent single-agent antitumor efficacy and enhances the activity of PD-1 blockade through promoting an antitumor immune microenvironment.
  • HY-B0527A
    Amitriptyline hydrochloride Agonist 99.56%
    Amitriptyline hydrochloride is an inhibitor of serotonin reuptake transporter (SERT) and noradrenaline reuptake transporter (NET), with Kis of 3.45 nM and 13.3 nM for human SERT and NET, respectively. Amitriptyline hydrochloride also weakly binds to dopamine reuptake transporter (DAT) with a Ki of 2.58 μM. Amitriptyline hydrochloride also inhibits adrenergic, muscarinic, histamine and 5-HT receptors. Amitriptyline hydrochloride is a TrkA and TrkB receptors agonist with potent neurotrophic activity. Amitriptyline hydrochloride has antidepressant activity.
  • HY-50867
    Lestaurtinib Inhibitor ≥99.0%
    Lestaurtinib (CEP-701;KT-5555) is an ATP-competitive multi-kinase inhibitor with potent activity against the Trk family of receptor tyrosine kinases. Lestaurtinib inhibits JAK2, FLT3 and TrkA with IC50s of 0.9, 3 and less than 25 nM, respectively.
  • HY-12866A
    Larotrectinib sulfate Inhibitor 99.69%
    Larotrectinib sulfate (LOXO-101 sulfate; ARRY-470 sulfate) is an ATP-competitive oral, selective inhibitor of the tropomyosin-related kinase (TRK) family receptors, with low nanomolar 50% inhibitory concentrations against all three isoforms (TRKA, B, and C).
  • HY-W013372
    7,8-Dihydroxyflavone Agonist ≥98.0%
    7,8-Dihydroxyflavone is a potent and selective TrkB agonist that mimics the physiological actions of Brain-derived neurotrophic factor (BDNF). Displays therapeutic efficacy toward various neurological diseases.
  • HY-13491
    GNF-5837 Inhibitor ≥98.0%
    GNF-5837 is a potent, selective, and orally bioavailable pan-tropomyosin receptor kinase (TRK) inhibitor which display antiproliferative effects in cellular Ba/F3 assays ( IC50 values of 7 nM, 9 nM and 11 nM for cells containing the fusion proteins Tel-TrkC, Tel-TrkB and Tel-TrkA, respectively) .
  • HY-18314
    GW 441756 Inhibitor 99.32%
    GW 441756 is a specific Tropomyosin-related kinase A (TrkA) inhibitor with an IC50 value of 2 nM; little activity to c-Raf1 and CDK2.
  • HY-104047
    LM22B-10 Activator 98.60%
    LM22B-10 is an activator of TrkB/TrkC neurotrophin receptor, and can induce TrkB, TrkC, AKT and ERK activation in vitro and in vivo.
  • HY-15590
    AZ-23 Inhibitor 99.93%
    AZ-23 is an ATP-competitive and orally bioavailable Trk kinase A/B/C inhibitor with IC50s of 2 nM (TrkA), 8 nM (TrkB), 24 nM (FGFR1), 52 nM (Flt3), 55 nM (Ret), 84 nM (MuSk), 99 nM (Lck), respectively.
  • HY-17622
    Tavilermide Agonist 99.62%
    Tavilermide is a selective, partial agonist of TrkA, or a nerve growth factor (NGF) mimetic.
  • HY-114358
    ONO-7475 Inhibitor 99.38%
    ONO-7475 is a potent, selective, and orally active Axl/Mer inhibitor with IC50 values of 0.7 nM and 1.0 nM, respectively. ONO-7475 sensitizes AXL-overexpressing EGFR-mutant NSCLC cells to the EGFR-TKIs, suppresses the emergence and maintenance of tolerant cells. ONO-7475 combines with Osimertinib (HY-15772) provides a bright promise for the study of EGFR-mutated non-small cell lung cancer (NSCLC).
  • HY-B0791
    Altiratinib Inhibitor 98.06%
    Altiratinib (DCC-2701) is a multi-targeted kinase inhibitor with IC50s of 2.7, 8, 9.2, 9.3, 0.85, 4.6, 0.83 nM for MET, TIE2, VEGFR2, FLT3, Trk1, Trk2, and Trk3 respectively.
Isoform Specific Products

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