Effects in vivo of recombinant human inhibin on myelopoiesis in mice

G. Hangoc, C. E. Carow, R. Schwall, A. J. Mason, H. E. Broxmeyer

Research output: Contribution to journalArticle

6 Scopus citations


Inhibin, a protein dimer, has been implicated in negative regulation of human erythropoiesis in vitro. In this study, purified recombinant human (rhu) inhibin was assessed for its effect in vivo on the proliferation of hematopoietic progenitor cells in C3H/HeJ mice. Administration of single doses of inhibin i.v. to mice resulted 24 hrs later in significant decreases in cell cycling status of marrow and splenic granulocyte-macrophage (CFU-GM), erythroid (BFU-E) and multipotential (CFU-GEMM) progenitors. While no apparent effect was observed on marrow cellularity or on absolute numbers of marrow CFU-GM and BFU-E, inhibin significantly reduced absolute numbers of marrow CFU-GEMM, spleen nucleated cellularity and also absolute numbers of CFU-GM, BFU-E and CFU-GEMM in the spleen. The results demonstrate in vivo myelosuppressive effects of inhibin and demonstrate that effects in vivo are not restricted to erythropoiesis.

Original languageEnglish (US)
Pages (from-to)1243-1246
Number of pages4
JournalExperimental Hematology
Issue number10
StatePublished - 1992

ASJC Scopus subject areas

  • Molecular Biology
  • Hematology
  • Genetics
  • Cell Biology
  • Cancer Research

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