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Current Pharmaceutical Biotechnology


ISSN (Print): 1389-2010
ISSN (Online): 1873-4316

Developing Target Therapy Against Oncogenic Tyrosine Kinase in Myeloid Maliganacies

Author(s): Tomoki Naoe

Volume 7, Issue 5, 2006

Page: [331 - 337] Pages: 7

DOI: 10.2174/138920106778521514

Price: $65


Myeloid malignancies are frequently associated with translocations and mutations of tyrosine kinase genes. Fusion genes involving ABL, ARG, PDGFRs, JAK2, SYK, TRKC, and FGFRs, and gain-of-function mutations of FLT3, KIT and JAK2 have been detected at various rates in myeloproliferative disease and acute myeloid leukemia. Furthermore, abnormal overexpression of tyrosine kinases such as FLT3 has also been reported. These gene products are constitutively activated and potentially transform hematopoietic cells by augmentation of proliferation and enhanced viability. Since the fusion or mutation of tyrosine kinase is a primary and central event in chronic myeloproliferative diseases, targeting the kinase activity has been thought to be an ideal intervention to treat these diseases. The clinical success of imatinib for chronic myeloid leukemia has made this idea a reality, and has accelerated the development of new tyrosine kinase inhibitors (TKIs). Challenging studies with TKIs have also been reported for acute myeloid leukemia. This review will focus on recent trials of TKIs against oncogenic tyrosine kinases (ABL, PDGFRs, FLT3 and KIT) in myeloid malignancies.

Keywords: Target therapy, kinase inhibitor, acute myeloid leukemia, myeloproliferative disease, ABL, PDGFR, FLT3, KIT

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