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-179497
    FLT3-IN-37
    		Inhibitor
    FLT3-IN-37 (Compound 6z) is a potent inhibitor of FLT3-ITD, with IC50 values of 1.5 and 3.4 nM for FLT3-ITD and TEL-VEGFR2, respectively. FLT3-IN-37 exhibits high selectivity for wild-type FLT3 (WT) and c-Kit. FLT3-IN-37 inhibits FLT3 phosphorylation and downregulates the expression of p-Akt, p-STAT5, and p-ERK. FLT3-IN-37 exerts anti-leukemia effects by blocking the cell cycle and inducing apoptosis (apoptosis). FLT3-IN-37 can be used for research on acute myeloid leukemia (AML).
    FLT3-IN-37
  • HY-155594
    LT-540-717
    		Inhibitor
    LT-540-717 (compound 32) is a potent FLT3 inhibitor (IC50=0.62 nM) with antiproliferative activity. LT-540-717 also inhibits several acquired FLT3 mutations, FLT3 (ITD, D835V), FLT3 (ITD, F691L), FLT3 (D835Y) and FLT3 (D835V). LT-540-717 has potential to be an anti-AML agent.
    LT-540-717
  • HY-178996
    FLT3-IN-36
    		Inhibitor
    FLT3-IN-36 is a potent FLT3 inhibitor. FLT3-IN-36 exhibits antitumor activity against FLT3-mutated acute myeloid leukemia (AML) cells. FLT3-IN-36 induces cell cycle arrest, reduces mitochondrial membrane potential, and induces apoptosis, downregulating FLT3 and downstream protein expression (including AKT, ERK, PI3K, and STAT5). FLT3-IN-36 can be used for AML research.
    FLT3-IN-36
  • HY-112417
    Ki11502
    		Inhibitor 99.30%
    Ki11502 is a multi-targeted receptor tyrosine kinase (RTK) inhibitor that selectively inhibits the activity of PDGF β/α receptors with IC50 values less than 10 nM. Ki11502 selectively inhibits PDGF β receptor phosphorylation, proliferation, and proteoglycan synthesis in human vascular smooth muscle cells. Ki11502 can induce Apoptosis) and exhibits profound antiproliferative effects on select subsets of leukemia, including those with Imatinib (HY-15463) resistant mutations. Ki11502 is highly suitable for studying the role of PDGF in vascular diseases, particularly the role of proteoglycans in atherosclerosis.
    Ki11502
  • HY-150582
    c-Met-IN-14
    		Inhibitor
    c-Met-IN-14 (compound 26af) is a selective inhibitor of c-Met kinase from N-sulfonylamidine-based derivatives, with an IC50 value of 2.89 nM. c-Met-IN-14 shows anticancer activity by blocking phosphorylation of c-Met, and arrests cell cycle at G2/M phase. c-Met-IN-14 induces apoptosis of A549 cells in a dose-dependent manner.
    c-Met-IN-14
  • HY-50905S
    Dovitinib-d8
    		Inhibitor
    Dovitinib-d8 is the deuterium labeled Dovitinib. Dovitinib (CHIR-258) is a multi-targeted tyrosine kinase inhibitor with IC50s of 1, 2, 8/9, 10/13/8, 27/210 nM for FLT3, c-Kit, FGFR1/FGFR3, VEGFR1/VEGFR2/VEGFR3 and PDGFRα/PDGFRβ, respectively.
    Dovitinib-d<sub>8</sub>
  • HY-168741
    FLT3-ITD-IN-2
    		Inhibitor
    FLT3-ITD-IN-2 (Compound A1) is an inhibitor for FLT3-ITD kinase with an IC50 of 2.12 nM. FLT3-ITD-IN-2 inhibits the proliferation of FLT3-dependent human AML cell line MOLM-13 with an IC50 of 25.65 nM. FLT3-ITD-IN-2 exhibits antitumor efficacy against acute myeloid leukemia.
    FLT3-ITD-IN-2
  • HY-162936
    SILA-123
    		Inhibitor
    SILA-123 is a FLT3 inhibitor (FLT3-WT: IC50=2.1 nM; FLT3-ITD: IC50=1.0 nM). SILA-123 inhibits FLT3 phosphorylation and downstream signaling pathways, leading to apoptosis by arresting cell cycle progression at the G0/G1 phase. SILA-123 can be used in the study of acute myeloid leukemia.
    SILA-123
  • HY-161709
    FLT3/CDKs ligand-1
    		Degrader
    FLT3/CDKs ligand-1 (Compound 14) is a ligand for target protein, which promotes the degradation of cyclin-dependent kinase (CDK) and the FMS-like tyrosine kinase 3 (FLT3), inhibits FLT3/CDK related proliferations and survivals of leukemia cells. LT3/CDKs ligand-1 can be used for synthesis of PROTAC FLT3/CDKs degrader-1 (HY-161708).
    FLT3/CDKs ligand-1
  • HY-168115
    Multi-kinase inhibitor 4
    		Inhibitor
    Multi-kinase inhibitor 4 (compound 14) is an orally active inhibitor of FLT1, KDR, FLT3, FLT4, PDGFRα, PDGFRβ, with IC50s of 1.97 nM, 1.04 nM, 0.33 nM, 1.44 nM, 0.18 nM, 0.89 nM. Multi-kinase inhibitor 4 plays an important role in cancer research.
    Multi-kinase inhibitor 4
  • HY-125008
    JH-IX-179
    		Inhibitor
    JH-IX-179 is an FLT3 inhibitor (IC50 = 4 nM (FLT3-ITD), 10 nM (FLT3-D835Y)). JH-IX-179 inhibits G1 phase arrest and induces apoptosis in FLT3-ITD-expressing cells. JH-IX-179 can be used in acute myeloid leukemia (AML) research.
    JH-IX-179
  • HY-120089
    UNC1666
    		Inhibitor
    UNC1666 is an ATP-competitive dual-target Mer/Flt3 tyrosine kinase inhibitor with IC50 values of 0.55 nM and 0.69 nM, and Ki values of 0.16 nM and 0.67 nM, respectively. UNC1666 reduces the phosphorylation levels of Mer and Flt3, suppresses downstream pro-survival signaling pathways (Erk1/2, Akt and Stat), induces cell apoptosis, and decreases colony formation of acute myeloid leukemia cells. UNC1666 is applicable to research related to acute myeloid leukemia.
    UNC1666
  • HY-157213
    LWY713
    		Degrader
    LWY713 is a PROTAC-class FLT3 degrader (DC50=0.64 nM), which selectively induces FLT3 degradation via cereblon and proteasome-dependent pathways. LWY713 inhibits cell proliferation and induces G0/G1 phase arrest and apoptosis in MV4-11 cells. LWY713 shows effective in vivo antitumor activity in MV4-11 xenograft models. LWY713 consists of a target protein ligand (red part) Gilteritinib (HY-12432), an E3 ubiquitin ligase ligand (blue part) Lenalidomide-F (HY-W039233), and a PROTAC linker (black part) Glycolic acid (HY-W015967). E3 ubiquitin ligase and linker can form Lenalidomide-Glycolic acid (HY-169373); the active control for the target protein ligand is Naproxen Gilteritinib (HY-169374).
    LWY713
  • HY-115778
    UNC3133
    		Inhibitor
    UNC3133 is an orally active, limitedly selective MerTK inhibitor with an IC50 of 3.0 nM. UNC3133 inhibits Axl, Tyro3 and Flt3 kinases, with IC50 values of 17 nM, 31 nM and 6.8 nM, respectively. UNC3133 is applicable to the research of inflammatory diseases and cancers.
    UNC3133
  • HY-149474
    HDAC-IN-63
    		Inhibitor
    HDAC-IN-63 (Compound 63) is a dual FLT3/HDAC inhibitor (IC50: 0.844 and 30.0 nM for FLT3 and HDAC1 respectively). HDAC-IN-63 inhibits MV4-11 cell proliferation (IC50: 92 nM. HDAC-IN-63 induces apoptosis and arrests cell cycle in MV4-11 cells. HDAC-IN-63 can be used for research of acute myeloid leukemia (AML).
    HDAC-IN-63
  • HY-171146
    HSN748
    		Inhibitor
    HSN748 is a Ponatinib (HY-12047) analogue and a multikinase inhibitor. HSN748 has inhibitory activity on FLT3, ABL1, RET, PDGFRα/β, MNK1, MNK2 and other kinases. HSN748 can inhibit the growth of chronic myeloid leukemia and acute myeloid leukemia cell lines and can be used in the study of leukemia.
    HSN748
  • HY-182281
    FLT3-IN-41
    		Inhibitor
    FLT3-IN-41 is a highly potent FLT3 inhibitor. The IC50 values of FLT3-IN-41 against human FLT3-ITD and FLT3-WT are 3.16 nM and 294.7 nM, respectively. By binding to the ATP-binding pockets of FLT3-ITD and FLT3-WT and forming hydrogen bonds with hinge region residues and Phe830, FLT3-IN-41 inhibits the STAT5, Akt and Erk signaling pathways. FLT3-IN-41 induces G2/M phase arrest and promotes apoptosis in FLT3-ITD-positive acute myeloid leukemia cells, exhibiting significant antiproliferative activity. FLT3-IN-41 serves as a valuable tool for the study of acute myeloid leukemia.
    FLT3-IN-41
  • HY-170640
    FLT3-IN-29
    		Inhibitor
    FLT3-IN-29 (Compound MY-10) is a FLT3 inhibitor (IC50s: 6.5 and 10.3 nM for FLT3-ITD and FLT3-D835Y mutants). FLT3-IN-29 arrests cell cycle at the G0/G1 phase and efficiently induces Apoptosis. FLT3-IN-29 also reduces reactive oxygen species (ROS) production and mitochondrial membrane potential (MMP). FLT3-IN-29 displays antileukemic activity.
    FLT3-IN-29
  • HY-160848
    FLT3/ITD-IN-5
    		Inhibitor
    FLT3/ITD-IN-5 (Example 6) is an orally active FLT3 and FLT3-ITD inhibitor, with IC50 values of 0.088 and 0.348 nM, respectively. FLT3/ITD-IN-5 can be used for the research of cancer.
    FLT3/ITD-IN-5
  • HY-175040
    PROTAC FLT-3 degrader 5
    		Degrader
    PROTAC FLT-3 degrader 5 is a FLT3 PROTAC degrader (DC50 = 1.2 nM). PROTAC FLT-3 degrader 5 functions as a molecular glue to degrade cereblon substrates GSPT1 and IKZF1/3. PROTAC FLT-3 degrader 5 exhibits antiproliferative activity against drug-resistant acute myeloid leukemia (AML) cells and is potentially useful in AML research. (Pink: FLT3/GSPT1/IKZF1/3 ligand: (HY-169374); Blue: Thalidomide: (HY-14658); Black: linker; Thalidomide + linker: (HY-W1123823)).
    PROTAC FLT-3 degrader 5
Cat. No. Product Name / Synonyms Species Source