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Co-culture of placental stem cells and stem cells from a second source

  • US 8,455,250 B2
  • Filed: 12/28/2006
  • Issued: 06/04/2013
  • Est. Priority Date: 12/29/2005
  • Status: Active Grant
First Claim
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1. A method of identifying a ratio of placental stem cells to stem cells from a second source, comprising combining and culturing a number of placental stem cells and a number of stem cells from a second source in a plurality of ratios for a time and under conditions sufficient to allow colony-forming units to form, and identifying the ratio in said plurality of ratios that produces a greater number of colony-forming units than a number of placental stem cells or stem cells from the second source, equivalent to the total number of placental stem cells and stem cells from the second source, alone, and produces the highest number of colony-forming units in said plurality of ratios.

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