Control of hematopoietic cell growth regulators during mouse fetal development.

AUTOR(ES)

Azoulay, M

RESUMO

Gene expression for the four different growth-regulatory proteins for cells of the myeloid hematopoietic cell lineages was analyzed in mouse fetal and extraembryonic tissues at various stages of development. The macrophage growth inducer MGI-1M (colony-stimulating factor 1) was the only myeloid hematopoietic growth regulator detected as both mRNA and bioactive protein during fetal development. This regulator was produced predominantly in extraembryonic tissues, and the production of hematopoietic growth regulators in embryogenesis was regulated by transcriptional and posttranscriptional controls.

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