Chlorotoxin Inhibits Glioma Cell Invasion via Matrix Metalloproteinase-2
نویسندگان
چکیده
منابع مشابه
Chlorotoxin inhibits glioma cell invasion via matrix metalloproteinase-2.
Primary brain tumors (gliomas) have the unusual ability to diffusely infiltrate the normal brain thereby evading surgical treatment. Chlorotoxin is a scorpion toxin that specifically binds to the surface of glioma cells and impairs their ability to invade. Using a recombinant His-Cltx we isolated and identified the principal Cltx receptor on the surface of glioma cells as matrix metalloproteina...
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The capacity of glioma cells to invade extensively within the central nervous system is a major cause of the high morbidity rate of primary malignant brain tumors. Glioma cell invasion involves the attachment of tumor cells to extracellular matrix (ECM), degradation of ECM components, and subsequent penetration into adjacent brain structures. These processes are accomplished in part by matrix m...
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Cannabinoids, the active components of Cannabis sativa L. and their derivatives, inhibit tumor growth in laboratory animals by inducing apoptosis of tumor cells and impairing tumor angiogenesis. It has also been reported that these compounds inhibit tumor cell spreading, but the molecular targets of this cannabinoid action remain elusive. Here, we evaluated the effect of cannabinoids on matrix ...
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Stable transfection of U251.3 glioma cells with cDNA encoding MT-MMP-1 resulted in increased cell surface expression of MT-MMP-1 and TIMP-2, constitutive activation of MMP-2 proenzyme and increased collagen degradation. In tumor spheroid outgrowth assays, cell migration of MT-MMP-1 transfectants relative to control was enhanced on collagen and decreased on vitronectin and fibronectin. These eff...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2003
ISSN: 0021-9258
DOI: 10.1074/jbc.m205662200