Selective differentiation and proliferation of hematopoietic cells induced by recombinant human interleukins

H. Saito, K. Hatake, A. M. Dvorak, K. M. Leiferman, A. D. Donnenberg, N. Arai, K. Ishizaka, T. Ishizaka

Research output: Contribution to journalArticlepeer-review

Abstract

Effects of recombinant human interleukins on hematopoiesis were explored by using suspension cultures of mononuclear cells of human umbilical-cord blood and bone marrow. The results showed that interleukin 5 induced the selective differentiation and proliferation of eosinophils. After 3 weeks in culture with interleukin 5, essentially all nonadherent cells in both bone marrow and cord blood cell cultures became eosinophilic myelocytes. Culture of the same cells with interleukin 4 resulted in the selective growth of OKT3+ lymphocytes. However, OKT3+ cells did not develop if the bone marrow cells were depleted of OKT3+/OKT11+ cells prior to the culture, indicating that interleukin 4 induced the proliferation of a subpopulation of resting T cells present in cord blood and bone marrow cell preparations. In suspension cultures of bone marrow cells and cord blood cells grown in the presence of interleukin 3, basophilic, eosinophilic, and neutrophilic myelocytes and macrophages developed within 2 weeks. By 3 weeks, however, the majority of nonadherent cells became eosinophilic mvelocytes. In contrast to mouse bone marrow cell cultures, neither interleukin 3 nor a combination of interleukins 3 and 4 induced the differentiation of mast cells in human bone marrow or cord blood cell cultures.

Original languageEnglish (US)
Pages (from-to)2288-2292
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume85
Issue number7
DOIs
StatePublished - 1988

Keywords

  • T lymphocytes
  • basophils
  • eosinophils
  • suspension cultures

ASJC Scopus subject areas

  • General

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