Fibronectin-plasma membrane interaction in the adhesion of hemopoietic cells

F. G. Giancotti, P. M. Comoglio, G. Tarone

Research output: Contribution to journalArticle

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Abstract

Many hemopoietic cell lines were examined for their ability to adhere to culture dishes coated with extracellular matrix proteins. Adhesion assay was performed with murine and human leukemic cell lines representative of different states of differentiation along both erythroid and myeloid lineages. All the hemopoietic cell lines tested adhered to fibronectin but not to laminin, types I, III, and IV collagen, serum-spreading factor, and cartilage proteoglycans. In addition to immortalized cell lines, immature erythroid and myeloid mouse bone marrow cells adhered to fibronectin. To define the fibronectin region involved in hemopoietic cell adhesion, proteolytic fragments, monoclonal antibodies, and synthetic peptides were used. Among different fibronectin fragments tested, only a 110-kD polypeptide, corresponding to the fibroblast attachment domain, was active in promoting adhesion. Moreover, a monoclonal antibody to the cell binding site located within this domain prevented hemopoietic cell adhesion. Finally, the tetrapeptide Arg-Gly-Asp-Ser, which corresponds to the fibronectin sequence recognized by fibroblastic cells, specifically and competitively inhibited attachment of hemopoietic cells in this molecule. The cell surface molecule involved in the interaction of mouse hemopoietic cells with fibronectin was identified as a 145,000-D membrane glycoprotein by adhesion-blocking antibodies. This glycoprotein was found to be antigenically and functionally related to the GP135 membrane glycoprotein involved in the adhesion of fibroblasts to fibronectin (Giancotti, F.G., P.M. Comoglio, and G. Tarone, 1986, Exp. Cell Res., 163:47-62). On the basis of these data, we conclude that the interaction of hemopoietic cells with fibronectin involves a specific fibronectin sequence and a 145,000-D cell surface glycoprotein. We speculate that this property might be relevant for the interaction of hemopoietic cells with the bone marrow stroma, which represents the natural site of hemopoiesis.

Original languageEnglish
Pages (from-to)429-437
Number of pages9
JournalJournal of Cell Biology
Volume103
Issue number2
Publication statusPublished - 1986

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Fibronectins
Cell Adhesion
Cell Membrane
Membrane Glycoproteins
Cell Line
hyaluronate lyase
Bone Marrow Cells
arginyl-glycyl-aspartyl-serine
Fibroblasts
Monoclonal Antibodies
Peptides
Blocking Antibodies
Collagen Type III
Somatostatin-Secreting Cells
Collagen Type IV
Extracellular Matrix Proteins
Laminin
Proteoglycans
Collagen Type I
Cell Communication

ASJC Scopus subject areas

  • Cell Biology

Cite this

Giancotti, F. G., Comoglio, P. M., & Tarone, G. (1986). Fibronectin-plasma membrane interaction in the adhesion of hemopoietic cells. Journal of Cell Biology, 103(2), 429-437.

Fibronectin-plasma membrane interaction in the adhesion of hemopoietic cells. / Giancotti, F. G.; Comoglio, P. M.; Tarone, G.

In: Journal of Cell Biology, Vol. 103, No. 2, 1986, p. 429-437.

Research output: Contribution to journalArticle

Giancotti, FG, Comoglio, PM & Tarone, G 1986, 'Fibronectin-plasma membrane interaction in the adhesion of hemopoietic cells', Journal of Cell Biology, vol. 103, no. 2, pp. 429-437.
Giancotti, F. G. ; Comoglio, P. M. ; Tarone, G. / Fibronectin-plasma membrane interaction in the adhesion of hemopoietic cells. In: Journal of Cell Biology. 1986 ; Vol. 103, No. 2. pp. 429-437.
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