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Cancer Lett. 2009 Aug 28;281(2):151-61. doi: 10.1016/j.canlet.2009.02.025.

Tyrosine kinase B receptor and BDNF expression in ovarian cancers - Effect on cell migration, angiogenesis and clinical outcome.

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  • 1Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Hong Kong.

Abstract

In this report, we demonstrated that overexpression of tropomyosin-related kinase B (TrkB) was associated with shorter survival in ovarian cancer patients. Brain-derived neurotrophic factor (BDNF), the TrkB ligand, induced activation (phosphorylation) of TrkB in a dose dependent manner. Besides demonstrating the effect of BDNF/TrkB pathway in enhancing cancer cell migration and invasion but inhibiting apoptosis, we also report for the first time that exogenous hepatocyte growth factor induced TrkB expression at both mRNA and protein levels as well as phosphorylation. Our findings suggest that BDNF/TrkB pathway is important in ovarian carcinogenesis and TrkB may be a potential therapeutic target for ovarian cancer.

PMID:
19307055
[PubMed - indexed for MEDLINE]
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