2. Signaling Pathways
  3. Protein Tyrosine Kinase/RTK
  4. FLT3

FLT3

Cluster of differentiation antigen 135; CD135; Fms like tyrosine kinase 3

FLT3

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FLT3 (Fms-like tyrosine kinase 3, CD135) is a protein that in humans is encoded by the FLT3 gene. FLT3 is a cytokine receptor which belongs to the receptor tyrosine kinase class III. FLT3 is the receptor for the cytokine Flt3 ligand (FLT3L). FLT-3 is expressed on the surface of many hematopoietic progenitor cells. Signalling of FLT3 is important for the normal development of haematopoietic stem cells and progenitor cells. The FLT3 gene is one of the most frequently mutated genes in acute myeloid leukemia (AML). Besides, high levels of wild-type FLT3 have been reported for blast cells of some AML patients without FLT3 mutations. These high levels may be associated with worse prognosis. Signaling through FLT3 plays a role in cell survival, proliferation, and differentiation. FLT3 is important for lymphocyte (B cell and T cell) development, but not for the development of other blood cells. Two cytokines that down modulate FLT3 activity are TNF-Alpha and TGF-Beta.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-143895
    FLT3-IN-12
    		Inhibitor
    FLT3-IN-12 is a potent, selective and orally active FLT3 kinase inhibitor with IC50s of 1.48 nM and 2.87 nM for FLT3-WT and FLT3-D835Y, respectively. FLT3-IN-12 possesses high selectivity over c-KIT (>1000-fold). FLT3-IN-12 has an excellent anti-AML (acute myeloid leukemia) activity (MV4-11, IC50 of 0.75 nM).
    FLT3-IN-12
  • HY-173214
    FLT3-ITD-IN-3
    		Inhibitor
    FLT3-ITD-IN-3 (13v), an orally active FLT3-ITD (FLT3 internal tandem duplication) inhibitor, disrupts FLT3 signal transduction and induced G0/G1 cell cycle arrest and apoptosis. FLT3-ITD-IN-3 (13v) is used in the research of acute myeloid leukemia (AML).
    FLT3-ITD-IN-3
  • HY-146886
    FLT3-IN-15
    		Inhibitor
    FLT3-IN-15 is a highly potent and orally active FLT3 inhibitor with IC50s of 0.87 nM and 0.32 nM for FLT3 and FLT3/D835Y, respectively. FLT3-IN-15 can be used for researching acute myeloid leukemia.
    FLT3-IN-15
  • HY-108263S
    3-Hydroxy Midostaurin-d5
    		Inhibitor
    3-Hydroxy Midostaurin-d5 is a deuterium labeled 3-Hydroxy Midostaurin. 3-Hydroxy Midostaurin is a metabolite of PKC412, which effectively inhibits FMS-like tyrosine kinase-3 (FLT3) autophosphorylation with IC50s of approximately 132 nM and 9.8 μM in culture medium and plasma, respectively.
    3-Hydroxy Midostaurin-d<sub>5</sub>
  • HY-176735
    FLT3/IRAK4-IN-1
    		Inhibitor
    FLT3/IRAK4-IN-1 is a selective FLT3/IRAK4 inhibitor with the remarkable activity towards FLT3-WT (IC50 = 1.95 nM), FLT3-D835Y (IC50 = 3.22 nM) and IRAK4 (IC50 = 53.72 nM). LT3/IRAK4-IN-1 has relatively low toxicity to normal bone marrow cells, can effectively promote cell apoptosis, and has the potential to overcome drug resistance. FLT3/IRAK4-IN-1 can be used for research on acute myeloid leukemia (AML).
    FLT3/IRAK4-IN-1
  • HY-174911
    FLT3-IN-33
    		Inhibitor
    FLT3-IN-33 (Compound 7r) is a FLT3 inhibitor with an IC50 of 7.82  nM. FLT3-IN-33 has superior anticancer activities against acute myeloid leukemia (AML) cells, such as MV4-11 and MOLM-13 cells. FLT3-IN-33 significantly induces cell apoptosis and inhibits phosphorylation of FLT3 pathways. FLT3-IN-33 can be used for AML and other cancers research.
    FLT3-IN-33
  • HY-156410
    FLT3-IN-23
    		Inhibitor
    FLT3-IN-23 (compound 15) is an inhibitor of JFMS-like tyrosine kinase 3 (FLT3) with an IC50 of 7.42 nM. FLT3-IN-23 has antiproliferative activities against BaF3 cells carrying various FLT3-TKD and FLT3-ITD-TKD mutations.
    FLT3-IN-23
  • HY-18949
    JI6
    		Inhibitor
    JI6 is a potent, selective and orally active FLT3 inhibitor, with IC50s of ～40, 8, and 4 nM for FLT3-WT, FLT3-D835Y, and FLT3-D835H, respectively. JI6 also inhibits JAK3 and c-Kit, with IC50s of ～250 and ～500 nM, respectively. JI6 can be used for the research of acute myeloid leukemia.
    JI6
  • HY-170558
    FW-1
    		Inhibitor
    FW-1 is a type I inhibitor for FLT3 with IC50 of ca. 1 μM. FW-1 exhibits cytotoxicity in FLT3 mutated AML cell. FW-1 arrests the cell cycle at G0/G1 phase, and induces apoptosis in cell MV4-11 and MOLM-13.
    FW-1
  • HY-174437B
    FLT3-IN-32 hydrochloride
    		Inhibitor
    FLT3-IN-32 hydrochloride is a potent and orally active FLT3 inhibitor with an IC50s of 0.29 nM, 0.77 nM and 2.07 nM against FLT3-ITD, FLT3-D835Y and FLT-N676K. FLT3-IN-32 hydrochloride reduces the phosphorylation of FLT3 and its downstream signaling molecules (STAT5, MAPK, AKT) to induce FLT3-mutated Ba/F3 cells apoptosis. FLT3-IN-32 hydrochloride shows significant anti-tumor efficacy in n the MV4-11 xenograft model. FLT3-IN-32 hydrochloride can be used for the study of acute myeloid leukemia (AML).
    FLT3-IN-32 hydrochloride
  • HY-151945
    TRK II-IN-1
    		Inhibitor
    TRK II-IN-1 is a potent type II TRK inhibitor, with IC50s of 3.3, 6.4, 4.3 and 9.4 nM, for TRKA/B/C and TRKAG667C, respectively. TRK II-IN-1 also inhibits FLT3, RET, and VEGFR2 with IC50s of 1.3, 9.9, and 71.1 nM, respectively. TRK II-IN-1 can be used for the research of TRK driven cancers.
    TRK II-IN-1
  • HY-139996
    Pomalidomide-C5-Dovitinib
    		Inhibitor
    Pomalidomide-C5-Dovitinib (compound 2) is a PROTAC containing Pomalidomide, Dovitinib and connected with CRBN. Pomalidomide-C5-Dovitinib shows enhanced antiproliferative effects against FLT3-ITD+ AML cells. Pomalidomide-C5-Dovitinib induces the degradation of the FLT3-ITD and KIT proteins in a ubiquitin-proteasome-dependent manner and completely blocks their downstream signaling pathway. Pomalidomide-C5-Dovitinib has the potential for the research of FLT3-ITD+ acute myeloid leukemia.
    Pomalidomide-C5-Dovitinib
  • HY-143434
    FLT3/D835Y-IN-1
    		Inhibitor
    FLT3/D835Y-IN-1 (compound 13a) is a orally active, potent and selective FLT3 and FLT3/D835Y inhibitor, with IC50 values of 0.26 nM and 0.18 nM, respectively. FLT3/D835Y-IN-1 also blocks tumor growth, has anticancer efficacy, and can be used to research for AML (acute myeloid leukemia).
    FLT3/D835Y-IN-1
  • HY-108263A
    (S)-3-Hydroxy Midostaurin
    		Inhibitor
    (S)-3-Hydroxy Midostaurin ((S)-CGP52421) is a potent kinases inhibitor with IC50 values of <400 nM for 13 kinases (VEGFR-2, TRK-A, FLT3, et). (S)-3-Hydroxy Midostaurin is a minor metabolite of midostaurin (PKC412; HY-10230) undergoing by the hepatic CYP3A4 enzyme. (S)-3-Hydroxy Midostaurin has the potential for acute myeloid leukemia (AML).
    (S)-3-Hydroxy Midostaurin
  • HY-10201S1
    Sorafenib-d4
    		Inhibitor
    Sorafenib-d4 is the deuterium labeled Sorafenib. Sorafenib is a multikinase inhibitor IC50s of 6 nM, 20 nM, and 22 nM for Raf-1, B-Raf, and VEGFR-3, respectively.
    Sorafenib-d<sub>4</sub>
  • HY-161708
    PROTAC FLT3/CDKs degrader-1
    		Degrader
    PROTAC FLT3/CDKs degrader-1 (Compound C3) is a degrader for cyclin-dependent kinases (DC50 is 18.73 nM for CDK2) and the FMS-like tyrosine kinase 3 (FLT3). PROTAC FLT3/CDKs degrader-1 induces differentation of HL-60 (72.77% differentation at 6.25 nM), inhibits proliferation of AML cells, with IC50s of 2.9-37 nM. PROTAC FLT3/CDKs degrader-1 is potential for ameliorating acute myeloid leukemia. (Pink: ligand for target protein FLT3/CDKs ligand-1 (HY-161709); Black: linker (HY-W012935); Black: ligand for E3 ligase Thalidomide 5-fluoride (HY-W087383))
    PROTAC FLT3/CDKs degrader-1
  • HY-144777
    FLT3-IN-14
    		Inhibitor
    FLT3-IN-14 is a potent FLT3 inhibitor with IC50s of 5.6 nM and 1.4 nM for FLT3-WT and FLT3-ITD. FLT3-IN-14 reduces the phosphorylation of FLT3 (Y591), induces cell cycle arrest at G1 phase and apoptosis. FLT3-IN-14 significantly reduces the tumor growth in an MV4-11 xenograft mouse model.
    FLT3-IN-14
  • HY-162032
    FLT3-IN-25
    		Inhibitor
    FLT3-IN-25 (compound 17) is a potent inhibitor of FLT3, with IC50s of 1.2 nM, 1.4 nM and 1.1 nM for FLT3-WT, FLT3-D835Y and FLT3-ITD, respectively. FLT3-IN-25 plays an important role in acute myeloid leukemia (AML).
    FLT3-IN-25
  • HY-173363
    CHEMBL4444839
    		Inhibitor
    CHEMBL4444839 is an inhibitor of FLT3 and can be used in the research of acute myeloid leukemia (AML).
    CHEMBL4444839
  • HY-162906
    FLT3/HDAC-IN-2
    		Inhibitor
    FLT3/HDAC-IN-2 is (compound 25h) a FLT3/HDAC dual inhibitor. FLT3/HDAC-IN-2 has antiproliferative activity against MOLM-13 cells. FLT3/HDAC-IN-2 can be used in acute myeloid leukemia research.
    FLT3/HDAC-IN-2
Cat. No. Product Name / Synonyms Species Source