Medical College of Wisconsin
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Differential sensitivity of mouse hematopoietic stem cells to merocyanine 540. Differentiation 1981;19(1):65-7

Date

01/01/1981

Pubmed ID

7327314

DOI

10.1111/j.1432-0436.1981.tb01129.x

Scopus ID

2-s2.0-0019508321 (requires institutional sign-in at Scopus site)   34 Citations

Abstract

In vivo and in vitro clonal assays of immature mouse blood cells showed that different populations of hematopoietic progenitor cells differ considerably with respect to their sensitivity to photodynamic damages caused by the fluorescent dye Merocyanine 540. Late erythroid progenitors were the most sensitive cells followed in order of decreasing sensitivity by pluripotent stem cells, early erythroid progenitors, and granulocyte/macrophage progenitors. Only about 2%-4% of all nucleated marrow cells were stained with Merocyanine 540 which correlated well with current frequency estimates of progenitor cells in mouse bone marrow. Our findings indicate that the expression of Merocyanine binding sites is developmentally regulated and might, therefore, provide a useful molecular marker for blood cell differentiation and a basis for an effective purification of hematopoietic progenitor cells.

Author List

Sieber F, Meagher RC, Spivak JL

Author

Fritz Sieber PhD Professor in the Pediatrics department at Medical College of Wisconsin




MESH terms used to index this publication - Major topics in bold

Animals
Benzoxazoles
Cell Differentiation
Colony-Forming Units Assay
Dose-Response Relationship, Drug
Female
Fluorescent Dyes
Hematopoietic Stem Cells
Mice
Pyrimidinones