METHOD FOR INDUCING PROLIFERATION OF NATURAL KILLER CELLS BY MOBILE NANOMATRICES
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United States of America Patent
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Jan 15, 2015
app pub date -
Jul 8, 2014
filing date -
Jul 10, 2013
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Abstract
The present invention provides an in-vitro method for inducing proliferation of NK cells, the method comprising contacting a population of NK cells with a nanomatrix, the nanomatrix comprising a) a matrix of mobile polymer chains; and b) attached to said matrix of mobile polymer chains one or more stimulatory agents which provide activation signals to the NK cells; thereby activating and inducing the NK cells to proliferate; wherein the nanomatrix is 1 to 500 nm in size. At least one first and one second stimulatory agents are attached to the same or to separate flexible matrices. If the stimulatory agents are attached to separate beads, fine-tuning of nanomatrices for the proliferation of the NK cells is possible. Closed cell culture systems also benefit from this method.
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