Method for producing a highly enriched population of hematopoiet

Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing

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424 937, 4351723, 4352402, 435 72, 435 721, C12N 1500, C12N 500, A01N 6300, G01N 33567

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active

056815590

ABSTRACT:
The present invention provides a simple and reliable means for isolating populations of hematopoietic cells enriched for stem cell activity on the basis of possession of high CD34 cell surface antigen density ("CD34hi"). CD34.sup.hi cell preparations are useful, for example, for drug discovery efforts, for reconstituting hematopoiesis in an animal lacking a functioning hematopoietic system, and for gene therapies.

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