Methods for identifying, purifying and enriching immature or stem cancer-initiating cells from tumors and use thereof
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United States of America Patent
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Dec 24, 2013
Grant Date -
Sep 30, 2010
app pub date -
Nov 20, 2008
filing date -
Nov 20, 2007
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Abstract
Methods for the preparation of cell compositions based on fluorescence following excitation at wavelength of or about 488 nm and isolated cell compositions obtained therefrom wherein isolated cells exhibit (i) autofluorescence at or about 520 nm or (ii) absence of fluorescence at or about 520 nm and a positive shift in the fluorescence detected at >630 nm. These methods provide for enrichment of immature or stem cancer-initiating cells from tumors (notably, cancers of the central and peripheral nervous system and metastasis to the brain) and methods for screening antitumor agents using the same. Also provided are methods of detecting immature or stem cancer-initiating cells in a cell sample and methods of detecting recurrence of cancer stem cells in a cancer stem cell sample following treatment with an agent.
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