Methods for preparing enriched human hematopoietic cell preparations
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United States of America Patent
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Mar 2, 1999
Grant Date -
N/A
app pub date -
Jun 16, 1995
filing date -
Jun 16, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to an antibody composition which contains antibodies specific for glycophorin A, CD3, CD24, CD16, CD14, and optionally CD45RA, CD36, CD56, CD2, CD19, CD66a and/or CD66b. A process is also provided for enriching and recovering human hematopoietic progenitor cells and stem cells in a sample containing human hematopoietic differentiated, progenitor, and stem cells. The process involves reacting the sample with an antibody composition containing antibodies capable of binding to the antigens glycophorin A, CD3, CD24, CD16, and CD14, and optionally CD45RA, CD36, CD56, CD2, CD19, CD66a and/or CD66b under conditions so that cell conjugates are formed between the antibodies and differentiated cells having the antigens glycophorin A, CD3, CD24, CD16, and CD14, and optionally CD45RA, CD36, CD56, CD2, CD19, CD66a and/or CD66b on their surfaces. The cell conjugates are removed and a cell preparation is obtained which is enriched in human hematopoietic progenitor cells and stem cells. The invention also relates to kits for carrying out this process and to the cell preparations prepared by the process.
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