Methods of cell culture for adoptive cell therapy
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jun 9, 2011
app pub date -
Dec 8, 2010
filing date -
Dec 8, 2009
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Abstract
An improved method of culturing cells for cell therapy applications that includes growing desired cells in the presence of antigen-presenting cells and/or feeder cells and with medium volume to surface area ratio of up to 1 ml/cm2 if the growth surface is not comprised of gas permeable material and up to 2 ml/cm2 if the growth surface is comprised of gas permeable material. The desired cells are at a surface density of less than 0.5×106 cells/cm2 at the onset of a production cycle, and the surface density of the desired cells plus the surface density of the antigen presenting cells and/or feeder cells are at least about 1.25×105 cells/cm2.
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