Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4)

Heterogeneity of response is a function of monocytes

H. Kaneoka, G. Perez-Rojas, Takehiko Sasazuki, C. J. Benike, E. G. Engleman

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

Anti-Leu-4 is a murine monoclonal antibody that defines a molecule of 20,000 to 25,000 daltons present on all mature T lymphocytes in man. When cultured in the presence of 10 to 1000 ng/ml anti-Leu-4, the T cells of most individuals proliferate with peak responses on the third day of culture. T cells of both helper and suppressor lineages proliferate, but only in the presence of monocytes. Approximately 40% of individuals tested responded weakly or not at all to anti-Leu-4, despite normal responses to other stimuli. The variation in responsiveness between individuals could not be explained by differences in Leu-4 antigen density on the surface of T cells, differences in the rate of Leu-4 antigen modulation, or structural differences in the Leu-4 molecule as defined by the method of two-dimensional polyacrylamide gel electrophoresis. In the presence of monocytes from high responders, the T cells from low responders proliferated vigorously to anti-Leu-4, whereas monocytes from low responders failed to support proliferation by high responder T cells. On the other hand, low responder monocytes did not prevent T cells from proliferating in the presence of high responder monocytes. These results suggest that the failure of some individuals to respond to anti-Leu-4 is due to the absence or dysfunction of an essential monocyte population.

Original languageEnglish
Pages (from-to)158-164
Number of pages7
JournalJournal of Immunology
Volume131
Issue number1
Publication statusPublished - Sep 1 1983
Externally publishedYes

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Monocytes
Monoclonal Antibodies
T-Lymphocytes
Differentiation Antigens
Electrophoresis, Gel, Two-Dimensional
Helper-Inducer T-Lymphocytes
Population

All Science Journal Classification (ASJC) codes

  • Immunology

Cite this

Kaneoka, H., Perez-Rojas, G., Sasazuki, T., Benike, C. J., & Engleman, E. G. (1983). Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4): Heterogeneity of response is a function of monocytes. Journal of Immunology, 131(1), 158-164.

Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4) : Heterogeneity of response is a function of monocytes. / Kaneoka, H.; Perez-Rojas, G.; Sasazuki, Takehiko; Benike, C. J.; Engleman, E. G.

In: Journal of Immunology, Vol. 131, No. 1, 01.09.1983, p. 158-164.

Research output: Contribution to journalArticle

Kaneoka, H, Perez-Rojas, G, Sasazuki, T, Benike, CJ & Engleman, EG 1983, 'Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4): Heterogeneity of response is a function of monocytes', Journal of Immunology, vol. 131, no. 1, pp. 158-164.
Kaneoka, H. ; Perez-Rojas, G. ; Sasazuki, Takehiko ; Benike, C. J. ; Engleman, E. G. / Human T lymphocyte proliferation induced by a pan-T monoclonal antibody (anti-Leu 4) : Heterogeneity of response is a function of monocytes. In: Journal of Immunology. 1983 ; Vol. 131, No. 1. pp. 158-164.
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