Peripheralization of hematopoietic stem cells

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Derived from transgenic multicellular eukaryote

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4241401, 4241441, 4241561, 424 851, 53038885, 5303896, A61K 39395, A61K 3819

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058243046

ABSTRACT:
The invention provides methods for peripheralizing CD34.sup.+ cells, including hematopoietic stem cells. In a first aspect, the method comprises the step of administering a blocking agent of VLA-4 antigen on the surface of CD34.sup.+ cells. In a second aspect, the method comprises administering a blocking agent of VLA-4 antigen on the surface of CD34.sup.+ cells and administering a stimulating agent of CD34.sup.+ cell proliferation in vivo. The method according to the invention is useful in the treatment of cancer or AIDS, and in gene therapy.

REFERENCES:
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