METHODS AND COMPOSITIONS FOR LONG TERM HEMATOPOIETIC REPOPULATION
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United States of America Patent
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app pub date -
Dec 20, 2013
filing date -
Nov 14, 2008
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Abstract
Methods for isolating a CD133+/CD45neg/GlyAneg subpopulation of umbilical cord blood cells are disclosed. In some embodiments, the methods include providing an initial population of umbilical cord blood cells; contacting the initial population of cells with a first antibody that is specific for CD133, a second antibody that is specific for CD45, and a third antibody that is specific for Glycophorin A (GlyA) under conditions sufficient to allow binding of each antibody to its target, if present, on each cell of the initial population of cells; and isolating a subpopulation of cells that are CD133+, CD45neg, and GlyAneg. Also provided are isolated populations of CD133+/GlyAneg/CD45neg stem cells isolated from cord blood, methods for repopulating cell types in subjects, methods for bone marrow transplantation, methods for inducing hematopoietic competency in CD133+/GlyAneg/CD45neg stem cells, and cell culture systems that include CD133+/GlyAneg/CD45neg stem cells.
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