Control of the simian fetal hemoglobin switch at the progenitor cell level

B. P. Alter, B. T. Jackson, J. M. Lipton, G. J. Piasecki, P. L. Jackson, M. Kudisch, D. G. Nathan

Research output: Contribution to journalArticle

Abstract

This investigation was designed to define the cellular level at which the gamma to beta globin switch is established in the developing simian fetus in order to determine whether the switch is controlled by environmental influences within differentiating erythroid precursors or predetermined by the genetic program of erythroid progenitors. Samples of marrow and liver were obtained from rhesus fetuses throughout the switch period, and marrow was obtained from adult rhesus monkeys. Globin chain synthesis was then measured in differentiated erythroblasts and in erythroid progenitor-derived colonies grown in semisolid media. The relative rates of synthesis of gamma and beta chains were determined by the uptake of [ 3H]-leucine into the respective chains separated by Triton gel electrophoresis and in some cases by urea carboxy-methyl cellulose chromatography. Four periods of the switch were defined during fetal development. In the preswitch period both erythroblasts and progenitor-derived colonies produced

Original languageEnglish (US)
Pages (from-to)458-466
Number of pages9
JournalJournal of Clinical Investigation
Volume67
Issue number2
StatePublished - 1981
Externally publishedYes

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Fetal Hemoglobin
Erythroblasts
Fetus
Stem Cells
Bone Marrow
Methylcellulose
beta-Globins
Globins
Fetal Development
Macaca mulatta
Leucine
Urea
Electrophoresis
Chromatography
Gels
Liver

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Alter, B. P., Jackson, B. T., Lipton, J. M., Piasecki, G. J., Jackson, P. L., Kudisch, M., & Nathan, D. G. (1981). Control of the simian fetal hemoglobin switch at the progenitor cell level. Journal of Clinical Investigation, 67(2), 458-466.

Control of the simian fetal hemoglobin switch at the progenitor cell level. / Alter, B. P.; Jackson, B. T.; Lipton, J. M.; Piasecki, G. J.; Jackson, P. L.; Kudisch, M.; Nathan, D. G.

In: Journal of Clinical Investigation, Vol. 67, No. 2, 1981, p. 458-466.

Research output: Contribution to journalArticle

Alter, BP, Jackson, BT, Lipton, JM, Piasecki, GJ, Jackson, PL, Kudisch, M & Nathan, DG 1981, 'Control of the simian fetal hemoglobin switch at the progenitor cell level', Journal of Clinical Investigation, vol. 67, no. 2, pp. 458-466.
Alter BP, Jackson BT, Lipton JM, Piasecki GJ, Jackson PL, Kudisch M et al. Control of the simian fetal hemoglobin switch at the progenitor cell level. Journal of Clinical Investigation. 1981;67(2):458-466.
Alter, B. P. ; Jackson, B. T. ; Lipton, J. M. ; Piasecki, G. J. ; Jackson, P. L. ; Kudisch, M. ; Nathan, D. G. / Control of the simian fetal hemoglobin switch at the progenitor cell level. In: Journal of Clinical Investigation. 1981 ; Vol. 67, No. 2. pp. 458-466.
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