Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells.

Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Research Abstract Details 

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Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Abstract Text:

Kyu-Tae Kim,Kristin Baird,Sean Davis,Obdulio Piloto,Mark Levis,Li Li,Peili Chen,Paul Meltzer,Donald Small,

Constitutively activating internal tandem duplication (ITD) mutations of the receptor tyrosine kinase FLT3 (Fms-like tyrosine kinase 3) play an important role in leukaemogenesis. We have examined, by cDNA microarray analysis, the changes in gene expression induced by FLT3/ITD or constitutively activated wild type FLT3 signalling. A limited set of genes was consistently affected by FLT3 inhibition. In confirmation of their FLT3 dependence, these genes returned toward pretreatment levels of expression after reversal of FLT3 inhibition. Several of the most significantly affected genes are involved in the RAS/mitogen-activated protein kinase, Janus kinase/signal transducer and activator of transcription and phosphatidylinositol 3 kinase (PI3K)/AKT pathways. These data suggest that constitutively activated FLT3 works through multiple signal transduction pathways. PIM1, MYC and CCND3 were chosen from this gene set to explore their biological roles. Knock-down of these genes by small interfering RNA showed that these genes play important roles in constitutively activated FLT3 expressing cells. The alterations of the gene expression profiles in these cells help to further elucidate the mechanisms of FLT3-mediated leukaemogenesis.

Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Publishing Authors By Initials

KT Kim,K Baird,S Davis,O Piloto,M Levis,L Li,P Chen,P Meltzer,D Small,

For similar enzymes and coenzymes: enzymes: transferases: phosphotransferases: phosphotransferases (alcohol group acceptor): protein kinases: protein-tyrosine kinases: receptor protein-tyrosine kinases: fms-like tyrosine kinase 3 research abstracts see: enzymes and coenzymes: enzymes: transferases: phosphotransferases: phosphotransferases (alcohol group acceptor): protein kinases: protein-tyrosine kinases: receptor protein-tyrosine kinases: fms-like tyrosine kinase 3 research

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Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: British journal of haematology

VOLUME: 138

Page Numbers: 603-15

Journal Abbreviation: Br. J. Haematol.

ISSN: 0007-1048

DAY: 3

MONTH: Sep

YEAR: 2007

Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Information

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LANGUAGE: eng

NlmUniqueID: 372544

Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Keywords Mesh Terms:

KEYWORDS: fms-Like Tyrosine Kinase 3

MESH TERMS: metabolism

Chemical & Substance for Abstract: Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells. Information

Substance Name: FLT3 protein, human

Registry Number: EC 2.7.10.1

Grant and Affiliation Information for Constitutive Fms-like tyrosine kinase 3 activation results in specific changes in gene expression in myeloid leukaemic cells.

AFFILIATION: Department of Oncology, Johns Hopkins University School of Medicine, Bethesda, MD, USA.

Country: England

AGENCY: United States NCI

GRANT: CA90668

ACRONYM: CA

MEDLINETA: Br J Haematol

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