Activated human monocytes express the c-sis proto-oncogene and release a mediator showing PDGF-like activity

Yves Martinet, Peter B. Bitterman, Jean Francois Mornex, Gary R. Grotendorst, George R. Martin, Ronald Crystal

Research output: Contribution to journalArticle

230 Citations (Scopus)

Abstract

Current ideas about the mechanism of wound healing and the pathogenesis of atherosclerosis, pulmonary fibrosis and hepatic fibrosis suggest a central role for the mononuclear phagocyte in attracting and/or stimulating the proliferation of mesenchymal cells1-5. We demonstrate here that activated human blood monocytes, but not resting monocytes, release a mediator that attracts smooth muscle cells and cooperates with other mediators to stimulate fibroblast proliferation. This mediator is very similar to platelet-derived growth factor (PDGF): its Chromatographic properties and chemical stability are similar to those of PDGF6,7, it competes with 125I-PDGF for binding to fibroblasts and it immunoprecipitates with anti-PDGF antibodies. In parallel, stimulated monocytes, but not resting monocytes, express the c-sis proto-oncogene, a gene coding for one of the PDGF chains8,9, consistent with the concept that expression of the c-sis proto-oncogene may be involved in the ability of mononuclear phagocytes to modulate the accumulation of mesenchymal cells.

Original languageEnglish
Pages (from-to)158-160
Number of pages3
JournalNature
Volume319
Issue number6049
DOIs
Publication statusPublished - 1 Dec 1986
Externally publishedYes

Fingerprint

sis Genes
Platelet-Derived Growth Factor
Monocytes
Phagocytes
Fibroblasts
Pulmonary Fibrosis
Wound Healing
Smooth Muscle Myocytes
Atherosclerosis
Fibrosis
Antibodies
Liver
Genes

ASJC Scopus subject areas

  • General

Cite this

Martinet, Y., Bitterman, P. B., Mornex, J. F., Grotendorst, G. R., Martin, G. R., & Crystal, R. (1986). Activated human monocytes express the c-sis proto-oncogene and release a mediator showing PDGF-like activity. Nature, 319(6049), 158-160. https://doi.org/10.1038/319158a0

Activated human monocytes express the c-sis proto-oncogene and release a mediator showing PDGF-like activity. / Martinet, Yves; Bitterman, Peter B.; Mornex, Jean Francois; Grotendorst, Gary R.; Martin, George R.; Crystal, Ronald.

In: Nature, Vol. 319, No. 6049, 01.12.1986, p. 158-160.

Research output: Contribution to journalArticle

Martinet, Y, Bitterman, PB, Mornex, JF, Grotendorst, GR, Martin, GR & Crystal, R 1986, 'Activated human monocytes express the c-sis proto-oncogene and release a mediator showing PDGF-like activity', Nature, vol. 319, no. 6049, pp. 158-160. https://doi.org/10.1038/319158a0
Martinet, Yves ; Bitterman, Peter B. ; Mornex, Jean Francois ; Grotendorst, Gary R. ; Martin, George R. ; Crystal, Ronald. / Activated human monocytes express the c-sis proto-oncogene and release a mediator showing PDGF-like activity. In: Nature. 1986 ; Vol. 319, No. 6049. pp. 158-160.
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