The in vitro growth of murine high proliferative potential-colony forming cells is not enhanced by growth in a low oxygen atmosphere.

Published

Journal Article

The growth of primitive murine hematopoietic progenitors, high proliferative potential colony-forming cells (HPP-CFC), has been reported to be improved in low O2 tension cultures. In this report we investigated the growth of HPP-CFC stimulated by combinations of interleukin (IL)-1, IL-6, kit-ligand (KL), granulocyte (G) colony-stimulating factor (CSF), macrophage-CSF (M-CSF), granulocyte-macrophage-CSF (GM-CSF) and IL-3 in clonal cultures incubated at 7% or 21% O2 tension. Neither the numbers of HPP-CFC colonies nor the number of cells per HPP-CFC colony differed significantly between cultures grown under 7% or 21% O2 tension. The mean number of cells per HPP-CFC colony was found to range from 3.9 x 10(4) to 2.2 x 10(5). The smallest HPP-CFC colonies were stimulated by the cytokine combination IL-1 + IL-6 + KL, whereas the largest colonies were stimulated by a combination of all seven cytokines tested. The growth of erythroid colonies from murine or human bone marrow did, however, show some enhancement when cultured at a lower O2 tension. These results demonstrate that the growth of murine HPP-CFC was not compromised when cultured at ambient O2 concentration.

Full Text

Duke Authors

Cited Authors

  • Muench, MO; Gasparetto, C; Moore, MA

Published Date

  • November 1992

Published In

Volume / Issue

  • 4 / 6

Start / End Page

  • 488 - 494

PubMed ID

  • 1292631

Pubmed Central ID

  • 1292631

International Standard Serial Number (ISSN)

  • 1043-4666

Language

  • eng

Conference Location

  • England