Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen

Elisabeth M. Paietta, R. J. Stockert, M. McManus, D. Thompson, S. Schmidt, P. H. Wiernik

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We have previously shown a novel galactose/N-acetylgalactosamine specific lectin activity (Hodgkin's disease (HD) lectin) on the surface of cultured HD cells (lines L428, its variants, and line L540) to mediate lymphocyte adhesion. We here demonstrate that both surface membrane-bound and secreted HD lectin activities participate in the activation of agglutinated lymphocytes. Among known adhesion molecules expressed by the HD cells, only the intercellular adhesion molecule-1 (ICAM-1) contributed to this activation as an alternative PBL binding site. As yet we have not identified the cellular ligand(s) for the HD lectin on the lymphocyte surface. Pretreatment of lymphocytes with mAb to the accessory molecules CD2, CD3, CD4, CD8, CD11b, or CD11c did not interfere with their response to HD cells. mAb to CD11a (LFA-1), the alleged ligand to ICAM-1, inhibited the ICAM-1 but not the HD lectin-mediated lymphocyte stimulation. Although lymphocyte binding could proceed via either pathway, lymphocyte activation always depended upon factors secreted by the HD cells, one of which we identified as a soluble form of the HD lectin based on its shared properties with the membrane-bound form including immunologic cross-recognition and carbohydrate-binding specificity. Although HD cell-conditioned medium alone stimulated lymphocytes, HD cell plasma membranes could compensate for low concentrations of this medium. In addition, resting lymphocytes, normally unresponsive, were triggered into DNA synthesis by growth medium when cocultured with HD cell membranes. The unique functions of the surface-expressed HD lectin and its soluble counterpart as lymphocyte adhesion molecule and mitogen might be physiologically relevant to the severe immunodeficiencies occurring in patients with HD.

Original languageEnglish (US)
Pages (from-to)2850-2857
Number of pages8
JournalJournal of Immunology
Volume143
Issue number9
StatePublished - 1989

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Hodgkin Disease
Mitogens
Lectins
Lymphocytes
Intercellular Adhesion Molecule-1
Lymphocyte Activation
Cell Membrane
Ligands
Acetylgalactosamine
Lymphocyte Function-Associated Antigen-1
Membranes
Conditioned Culture Medium
Galactose
Binding Sites
Carbohydrates

ASJC Scopus subject areas

  • Immunology

Cite this

Paietta, E. M., Stockert, R. J., McManus, M., Thompson, D., Schmidt, S., & Wiernik, P. H. (1989). Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen. Journal of Immunology, 143(9), 2850-2857.

Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen. / Paietta, Elisabeth M.; Stockert, R. J.; McManus, M.; Thompson, D.; Schmidt, S.; Wiernik, P. H.

In: Journal of Immunology, Vol. 143, No. 9, 1989, p. 2850-2857.

Research output: Contribution to journalArticle

Paietta, EM, Stockert, RJ, McManus, M, Thompson, D, Schmidt, S & Wiernik, PH 1989, 'Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen', Journal of Immunology, vol. 143, no. 9, pp. 2850-2857.
Paietta EM, Stockert RJ, McManus M, Thompson D, Schmidt S, Wiernik PH. Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen. Journal of Immunology. 1989;143(9):2850-2857.
Paietta, Elisabeth M. ; Stockert, R. J. ; McManus, M. ; Thompson, D. ; Schmidt, S. ; Wiernik, P. H. / Hodgkin's cell lectin, a lymphocyte adhesion molecule and mitogen. In: Journal of Immunology. 1989 ; Vol. 143, No. 9. pp. 2850-2857.
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