Purification and manipulation of bone marrow and blood cells on the basis of P-glycoprotein expression
Patent Number: 5464753
Date of First Priority Issue: Friday March 8th, 1991
Date Issued: Tuesday November 7th, 1995
Assignee: Unknown Assignee(s)
Inventors: Chaudhary, Preet M. (Chicago, IL); Roninson, Igor B. (Chicago, IL)
From Class: Extraction/Preservation
Comments: No comments
This patent teaches that stem cells have an active efflux mechanism similar to the way that cancer cells have an efflux mechanism that makes them drug resistant. The only question about this patent is whether it also covers stem cells that are already identified using other markers. For example, it is very likely that the stem cells, at least hematopoietic stem cells that possess the efflux mechanism are already identified by the marker CD34.
View this patent on the USPTO website.
Added to StemCellPatents.com on Monday October 16th, 2006
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