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Methods of derivation and propagation of undifferentiated human embryonic stem (HES) cells on feeder-free matrices and human feeder layers

  • US 20040253721A1
  • Filed: 03/29/2004
  • Published: 12/16/2004
  • Est. Priority Date: 09/28/2001
  • Status: Abandoned Application
First Claim
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1. A human feeder cell layer which supports the derivation of ES cells in a substantially undifferentiated state said feeder cell layer comprising cells selected from the group including human adult, fetal or embryonic cells or a combination thereof.

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