flt3-in-3

FLT3-IN-3 is an effective FLT3 inhibitor, and the IC50s of FLT3 WT and FLT3 D835Y are 13 and 8 nM, respectively.

JAK2/FLT3-IN-3 (11r) is a dual inhibitor of FLT3 and JAK2, with IC50 values respectively at 0.51 nM for FLT3, 2.01 nM for JAK2, and 104.40 nM for JAK3. It can induce apoptosis and exhibits anticancer activity.

FLT3-IN-32 is a potent FLT3 inhibitor with high selectivity, effectively suppressing FLT3 activating mutations and inducing apoptosis. It demonstrates good tolerance in non-tumor-bearing mice. In NOD/SCID mice loaded with MV4-11 cells, FLT3-IN-32 exhibits outstanding antitumor efficacy, significantly extending mouse survival. FLT3-IN-32 is applicable for acute myeloid leukemia research.

FLT3-IN-31 (compound 10q) is a potent FLT3 inhibitor, with IC50 values of 0.16 nM for FLT3 and 2.4 nM for FLT3-D835Y, exhibiting antiproliferative activity. It reduces protein expression of p-FLT3, P-STAT5, and P-ERK. Additionally, FLT3-IN-31 induces apoptosis and causes cell cycle arrest at the G1 phase, displaying antitumor properties.

FLT3-IN-33 (Compound 7r) is a potent FLT3 inhibitor with an IC50 of 7.82 nM. It exhibits excellent anticancer activity against acute myeloid leukemia (AML) cells, such as MV4-11 and MOLM-13 cells. FLT3-IN-33 significantly induces apoptosis and inhibits the phosphorylation of the FLT3 pathway, making it useful for research in AML and other cancers.

FLT3-IN-32 TFA is a potent FLT3 inhibitor with IC50 values of 2.40 nM and 3.83 nM against FLT3-ITD and FLT3-D835Y, respectively. It effectively inhibits the proliferation/survival of human MV4-11 cells with an IC50 of 0.07 nM. FLT3-IN-32 TFA is applicable in acute myeloid leukemia (AML) research.

FLT3-IN-32 hydrochloride is a potent, orally active FLT3 inhibitor with IC50 values of 0.29 nM for FLT3-ITD, 0.77 nM for FLT3-D835Y, and 2.07 nM for FLT3-N676K. It induces apoptosis in FLT3-mutant Ba/F3 cells by reducing the phosphorylation of FLT3 and its downstream signaling molecules (STAT5, MAPK, AKT). In MV4-11 xenograft models, it demonstrates significant antitumor effects. This compound is suitable for research in acute myeloid leukemia (AML).

Gilteritinib (ASP2215) is a potent inhibitor of FMS-related tyrosine kinase 3 (FLT3) and AXL tyrosine kinase receptors (IC50 = 0.29 nM and <1 nM, respectively). In preclinical studies, gilteritinib demonstrated strong antileukemic and antitumor effects. Gilteritinib is currently in several Phase 3 clinical trials for acute myeloid leukemia.

JAK3-IN-14 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.

Cediranib (AZD2171) (AZD2171) is a highly potent (IC50 < 1 nmol/L) ATP-competitive inhibitor of recombinant KDR tyrosine kinase in vitro, also inhibits Flt1/4 (IC50: 5 nM/≤3 nM), similar activity against PDGFRβ and c-Kit, selective more for VEGFR than PDGFR-α (36-fold), CSF-1R (110-fold), and Flt3 (1000-fold) in HUVEC cells.

FLT3-IN-10 (2-Oxazolamine, 5-(4-fluorophenyl)-N-phenyl-) (compound 7c) is a potent inhibitor of FMS-like tyrosine kinase 3 (FLT3). FLT3-IN-10 shows the potential for the treatment of FLT3-mutated acute myeloid leukemia (AML).

FLT3-IN-4 (FLT3 inhibitor 9u) is a potent and orally effective Fms-like tyrosine receptor kinase 3 (FLT3; IC50=7 nM) inhibitor ,for treating acute myelogenous leukemia.

FLT3-IN-6 is a potent and selective inhibitor of FLT3-ITD [FLT3 mutation], with an IC50 of 1.336 nM.

PIM1-IN-1 is a potent and highly selective PIM kinase inhibitor with strong preference for PIM1 and PIM3 over PIM2, effectively inhibiting BAD phosphorylation without detectable effects on FLT3 or hERG binding, and exhibiting antiproliferative and anticancer activity suitable for mechanistic studies of PIM-driven oncogenic signaling.

3-Hydroxy Midostaurin (CGP 52421), a PKC412 metabolite, inhibits FMS-like tyrosine kinase-3 (FLT3) autophosphorylation with IC50 values of approximately 132 nM in culture medium and 9.8 μM in plasma. Although less selective, it shows greater cytotoxicity compared to PKC412[1].

Lestaurtinib (CEP 701) is an orally available and selective inhibitor of FMS-like tyrosine kinase-3 (FLT3, IC50: 0.9 nM), which inhibits FLT3 autophosphorylation in vitro.Lestaurtinib promotes the expression of c-MYC, inhibits the phosphorylation of RPTKs, and has high affinity for TrkA and JAK2. Lestaurtinib promotes c-MYC expression, inhibits phosphorylation of RPTKs, has a high affinity for TrkA and JAK2, induces apoptosis and cell growth arrest, and can be used to study leukemia.

3-Hydroxy Midostaurin-D5 (CGP52421-D5) is a deuterium-labeled 3-Hydroxy Midostaurin which is a metabolite of PKC412. PKC412 effectively inhibits FMS-like tyrosine kinase-3 (FLT3) autophosphorylation (IC50s: 132 nM and 9.8 μM in culture medium and plasma).

FLT3-IN-2 is an FLT3 inhibitor (IC50<1 μM).

FLT3/HDAC-IN-1 is a dual inhibitor targeting FLT3 and HDAC, with IC50 values of 30.4 nM for FLT3 and 52.4, 14.7 nM for HDAC1/3, respectively. It induces apoptosis in MV-4-11 cells and exhibits antiproliferative effects against BaF3 cells transformed by FLT3 mutations. FLT3/HDAC-IN-1 is useful for research on refractory solid tumors and hematological malignancies.

FLT3 ligand-2 serves as a ligand for the target protein in PROTAC. It is utilized for synthesizing PROTAC FLT-3 degrader 1.

CG-3-246 is a dual inhibitor targeting FLT3 and BCL-2, with dissociation constants (Kd) of 63 nM and 4.25 nM, respectively. This compound plays a significant role in acute myeloid leukemia research.

SKLB4771 (FLT3-IN-1) is a novel potent and selective Flt3 inhibitor.

FGFRs-IN-1 (Compound A16) is an orally active inhibitor targeting FGFR1/2/3/4, with IC50 values of 2.3, 7, 11, and 163 nM respectively. It also inhibits VEGFR1/2/3, Abl, and Flt3, with IC50 values of 61, 176, 112, 26, and 353 nM. The compound shows weak inhibition of CYP enzymes. FGFRs-IN-1 reduces the expression of α-SMA and collagen I, and it inhibits epithelial-mesenchymal transition (EMT) in A549 cells stimulated by TGF-β1. Additionally, FGFRs-IN-1 demonstrates anti-inflammatory activity in mouse models of lung fibrosis induced by Bleomycin and liver fibrosis induced by CCl4.

FLT3-ITD-IN-3 (13v) is an orally active inhibitor of FLT3-ITD (internal tandem duplication of FLT3), which works by blocking FLT3 signaling. This inhibition leads to cell cycle arrest in the G0/G1 phase and induces apoptosis. The compound is currently employed in studies related to acute myeloid leukemia (AML).