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

Trk Receptor

Tropomyosin related kinase receptor

Trk Receptor

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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 Isoform Specific Products:

Trk Receptor Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-157168
    TrkA-IN-6
    		Inhibitor
    TrkA-IN-6 (compound R48) is a hydrazone-like, selective inhibitor of tropomyosin kinase type A receptor kinase (TrkA). TrkA-IN-6 exhibited a higher cytotoxic effect on U87 GBM cells than Temozolomide (HY-17364), with an IC50 of 68.99 μM.
    TrkA-IN-6
  • HY-156086
    TRK-IN-24
    		Inhibitor
    TRK-IN-24 (compound 10g) is a Trk Receptor inhibitor that inhibits TRKA, TRKC, TRKAG595R, TRKAG667C and TRKAF589L IC50s are 5.21, 4.51, 6.77, 1.42 and 6.13 nM respectively. TRK-IN-24 has antitumor efficacy in BaF3-CD74-NTRK1G595R and BaF3-CD74-NTRK1G667C xenograft models. TRK-IN-24 inhibits the proliferation of Ba/F3 cells transfected with single mutants such as SF, GK, and xDFG, with an IC50 of 1.43-47.56 nM.
    TRK-IN-24
  • HY-161819
    TRK-IN-29
    		Inhibitor
    TRK-IN-29 (Compound B31) is a second-generation TRK inhibitor (IC50: 9 nM, 0.6 nM, 18 nM, 5 nM, 6 nM for TRKAG595R, TRKAF589L, TRKAG667C, TRKA and TRKC respectively). TRK-IN-29 inhibits the phosphorylation of TRKA. TRK-IN-29 has good antiproliferative activities against NTRK fusion positive cells. TRK-IN-29 has exellent plasma stability and moderate pharmacokinetic properties.
    TRK-IN-29
  • HY-143557
    Trk-IN-7
    		Inhibitor
    Trk-IN-7 (compound I-6) is a potent TRK inhibitor with IC50s of ranging from 0.25-10 nM for TRKA, TRKB and TRKC, respectively. Trk-IN-7 shows inhibition against EML4-ALK (IC50<15 nM) ALK G1202R, ALK C1156Y, ALK R1275Q, ALK F1174L, ALK L1197M, and ALK G1269A (IC50=5-50 nM).
    Trk-IN-7
  • HY-146115
    TRK-IN-19
    		Inhibitor
    TRK-IN-19 (Compound I-10 ) is a potent inhibitor of TRK (TRKA IC50 = 1.1 nM, TRKAG595R IC50 = 5.3 nM). TRK-IN-19 has the potential for the research of cancer diseases.
    TRK-IN-19
  • HY-144732
    TRK/ALK-IN-1
    		Inhibitor
    TRK/ALK-IN-1 (compound 21) is a potent and dual inhibitor of TRK and ALK. TRK/ALK-IN-1 in the enzymatic assays is in good accordance with anti-proliferative activity with IC50 values of 2.2, 9.3 and 38 nM towards TRKA, ALKWT and ALKL1196M, respectively. TRK/ALK-IN-1 has the potential for the research of cancer diseases.
    TRK/ALK-IN-1
  • HY-163004
    Type II TRK inhibitor 2
    		Inhibitor
    Type II TRK inhibitor 2 (compound 40l) is a selective type II TRK inhibitor with plasma stability and moderate hepatic microsomal stability. Type II TRK inhibitor 2 significantly inhibits Km-12, Ba/F3-TRKAG595R and Ba/F3-TRKAG667C cell proliferation (IC50: 4.1 nM, 41.5 nM, 1.4 nM). Type II TRK inhibitor 2 can be used to study NTRK fusion cancers.
    Type II TRK inhibitor 2
  • HY-146521
    TRK-IN-15
    		Inhibitor
    TRK-IN-15 is a potent inhibitor of TRK. Protein kinases play a critical role in the control of cell growth and differentiation and are responsible for the control of a wide variety of cellular signal transduction processes. TRK-IN-15 has the potential for the research of TRK-related diseases (extracted from patent WO2012034091A1, compound X-55).
    TRK-IN-15
  • HY-143561
    Trk-IN-8
    		Inhibitor
    Trk-IN-8 is a potent TRK inhibitor with IC50s of 0.42, 0.89 and 1.5 nM for TRKAa, TRKA(G595R) and TRKC(G623R), respectively (WO2021115401A1, compound 3).
    Trk-IN-8
  • HY-150561
    Trk-IN-20
    		Inhibitor
    Trk-IN-20 is a kind of 3-vinylindazole derivatives. Trk-IN-20 suppresses Trk kinases functions by phosphorylation inhibition of TrkA/B/C with IC50 values of 1.6 nM, 2.9 nM and 2.0 nM, respectively.
    Trk-IN-20
  • HY-149965
    TRK-IN-23
    		Inhibitor
    TRK-IN-23 (compound 24b) is a potent and orally active TRK inhibitor with IC50 values of 0.5 nM, 9 nM, 14 nM, 4.4 nM, and 4.8 nM against TRKA, TRKC, TRKAG595R, TRKAF589L, and TRKAG667C, respectively. TRK-IN-23 indues apoptosis of Ba/F3-TRKAG595Rand Ba/F3-TRKAG667C cells.
    TRK-IN-23
  • HY-146522
    TRK-IN-16
    		Inhibitor
    TRK-IN-16 is a potent inhibitor of TRK. Protein kinases play a critical role in the control of cell growth and differentiation and are responsible for the control of a wide variety of cellular signal transduction processes. TRK-IN-16 has the potential for the research of TRK-related diseases (extracted from patent WO2012034091A1, compound X-21).
    TRK-IN-16
  • HY-160166
    TRK-IN-26
    		Inhibitor
    TRK-IN-26 (compound 12) is a TRK inhibitor with potential for cancer research.
    TRK-IN-26
  • HY-161775
    RET/TRKA-IN-1
    		Inhibitor
    RET/TRKA-IN-1 (Compound 13) is a dual inhibitor for RET (IC50=0.375 µM) and TRKA. RET/TRKA-IN-1 inhibits cell viability of LC-2 and KM12, with GI50 of 0.72 and 0.25 μM. RET/TRKA-IN-1 arrests the cell cycle at G1 phase.
    RET/TRKA-IN-1
  • HY-112436A
    (3S,4R)-PF-6683324
    		Inhibitor
    (3S,4R)-PF-6683324 is a tropomyosin-related kinase (Trk) inhibitor extracted from patent WO2015092610A1 example 9. (3S,4R)-PF-6683324 has the potential for the research of pain and cancer.
    (3S,4R)-PF-6683324
  • HY-146755
    TIY-7
    		Inhibitor
    TIY-7 is a selective and orally active tropomyosin receptor kinase (TRK) inhibitor. TIY-7 shows enzyme inhibitory activity with IC50s of 2.9, 1.1, 0.7, 0.8, 0.8, 0.2 nM for TRKA, TRKAG595R, TRKAG667C, TRKAF589L, TRKCG623R, TRKCG696A, respectively. TIY-7 shows anti-tumor potency in mouse xenograft model.
    TIY-7
  • HY-146519
    TRK-IN-14
    		Inhibitor
    TRK-IN-14 is a potent inhibitor of TRK. Protein kinases play a critical role in the control of cell growth and differentiation and are responsible for the control of a wide variety of cellular signal transduction processes. TRK-IN-14 has the potential for the research of TRK-related diseases (extracted from patent WO2012034091A1, compound X-47).
    TRK-IN-14
  • HY-402309
    IGF-1R modulator 1
    		Modulator
    IGF-1R modulator 1 (Example 5) is an IGF-1R modulator, with EC50s of 0.29 μM (FGFR1), 0.25 μM (IGF1R), 0.34 μM (TrkA), 0.39 μM (TrkB). IGF-1R modulator 1 can be used for research of diseases characterised by impaired signalling of neurotrophins and/or other trophic factors, such as Alzheimer's disease.
    IGF-1R modulator 1
  • HY-P1178A
    Cyclotraxin B TFA
    		Inhibitor
    Cyclotraxin B TFA, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B TFA non-competitively inhibits BDNF-induced TrkB activity with an IC50  of  0.30 nM. Cyclotraxin B TFA can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects.
    Cyclotraxin B TFA
  • HY-153745A
    Protein kinase inhibitor 5 sulfate hydrate
    		Inhibitor
    Protein kinase inhibitor 5 sulfate hydrate is a potent TRK-A inhibitor with an IC50 value of 1.8 nM. Protein kinase inhibitor 5 sulfate hydrate inhibits cell viability.
    Protein kinase inhibitor 5 sulfate hydrate
Cat. No. Product Name / Synonyms Application Reactivity
Trk Receptor Isoform Comparison

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