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Design, synthesis and biological evaluation of indolin-2-one-based derivatives as potent, selective and efficacious inhibitors of FMS-like tyrosine kinase3 (FLT3). 2017

Fei Ma, and Peng Liu, and Min Lei, and Jian Liu, and Hongtao Wang, and Shaohua Zhao, and Lihong Hu
Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.

Activating mutations of FMS-like tyrosine kinase 3 (FLT3) are present in approximately one third of acute myeloid leukemia (AML) patients, which has been proposed as a promising drug target for AML therapy. A series of indolin-2-one derivatives bearing different groups at the solvent interface position based on sunitinib as FLT3 inhibitors were designed, synthesized and evaluated in FLT3-dependent human AML cell line MV4-11. Structure-activity relationship (SAR)analysis showed that heterocyclic alkane at the solvent interface position could significantly increase the potency for the inhibition of proliferation of MV4-11 cell line. Compound 10a and 10d exhibited better efficacy (MV4-11, IC50: 14.7 nM for 10a and 24.8 nM for 10d) than positive control sunitinib (MV4-11, IC50: 38.5 nM). The kinase and cellular inhibition assay exhibited that 10d (FLT3, IC50: 5.3 nM) was a potent and selective FLT3 inhibitor. Furthermore, the pharmacokinetic experiments showed that 10d had good properties of oral bioavailability, Cmax, Tmax, T1/2 and AUC in mice, respectively. The in vivo study indicated that 10d could significantly suppress tumor growth in MV4-11 xenografts nude mice model and occupied with a commendable therapeutic window compared to sunitinib.

UI MeSH Term Description Entries
D007211 Indoles Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D015195 Drug Design The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti-cancer efficacy, etc.) based on knowledge of molecular properties such as activity of functional groups, molecular geometry, and electronic structure, and also on information cataloged on analogous molecules. Drug design is generally computer-assisted molecular modeling and does not include PHARMACOKINETICS, dosage analysis, or drug administration analysis. Computer-Aided Drug Design,Computerized Drug Design,Drug Modeling,Pharmaceutical Design,Computer Aided Drug Design,Computer-Aided Drug Designs,Computerized Drug Designs,Design, Pharmaceutical,Drug Design, Computer-Aided,Drug Design, Computerized,Drug Designs,Drug Modelings,Pharmaceutical Designs
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D047428 Protein Kinase Inhibitors Agents that inhibit PROTEIN KINASES. Protein Kinase Inhibitor,Inhibitor, Protein Kinase,Inhibitors, Protein Kinase,Kinase Inhibitor, Protein,Kinase Inhibitors, Protein
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D051941 fms-Like Tyrosine Kinase 3 A receptor tyrosine kinase that is involved in HEMATOPOIESIS. It is closely related to FMS PROTO-ONCOGENE PROTEIN and is commonly mutated in acute MYELOID LEUKEMIA. Antigens, CD135,CD135 Antigens,CD135 Antigen,Fetal Liver Kinase-2,Fetal Liver Kinase-3,Stem Cell Tyrosine Kinase 1,Antigen, CD135,Fetal Liver Kinase 2,Fetal Liver Kinase 3,fms Like Tyrosine Kinase 3

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