The molecular basis for the synergism between the CD3/αβ T cell receptor and the CD2 antigen-derived signals in promoting T cell proliferationl

P. K. Sehajpal, B. Li, B. Zanker, V. K. Murthi, A. Subramaniam, V. K. Sharma, D. Estin, E. Y. Skolnik, K. J. Wieder, G. Walz, M. Fotino, K. H. Stenzel, T. B. Strom, Manikkam Suthanthiran

Research output: Contribution to journalArticle

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Abstract

Northern blot analysis and a highly sensitive methodology for mRNA phenotyping, polymerase chain reaction (PCR), were used to explore the basis for the synergism between CD3/αβ T cell receptor (TCR) and the CD2 antigen-derived signals in promoting proliferation of T cells. Northern blotting of RNA isolated from highly purified normal human T cells revealed that crosslinking of anti-TCR-l (a mAb directed at a framework determinant of the TCR) and OKTII (a mAb directed at the SRBC-binding epitope of the CD2 antigen) induced the expression of the interleukin-2 gene and the gene for IL-2 receptor a. mRNA phenotyping by PCR revealed that erosslinkage of TCR with the CD2 antigen, and not independent crosslinking of TCR or the CD2 antigen, results in the induction of IL-2, IL-2 receptors a and/3, and IL-4-specific transcripts. Highly purified CD4+T cells, as well as CDS+ T cells proliferated by crosslinking TCR with CD2 antigen. Moreover, crosslinkage of TCR with the CD2 antigen and not of either antigen with the CD4 antigen (on the surface of CD4+T cells) or the CDS antigen (on the surface of CDS+ T cells) resulted in marked proliferation. Our demonstration that the CD2 antigen-derived signal(s) contribute to the expression of growth promoting genes elicited via the TCR, and that the CD2 antigen is more efficient compared with the CD4 or CDS antigen in evoking T cell proliferation, suggests that autoimmunity as well as alloimmunity might be regulated by targeting the CD2 antigen.

Original languageEnglish
Pages (from-to)468-474
Number of pages7
JournalTransplantation
Volume51
Issue number2
Publication statusPublished - 1 Jan 1991
Externally publishedYes

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CD2 Antigens
T-Cell Antigen Receptor
T-Lymphocytes
Interleukin-2 Receptors
Northern Blotting
Interleukin-2
Genes
Antigens
Polymerase Chain Reaction
CD4 Antigens
Messenger RNA
Surface Antigens
Autoimmunity
Interleukin-4
Epitopes

ASJC Scopus subject areas

  • Transplantation

Cite this

The molecular basis for the synergism between the CD3/αβ T cell receptor and the CD2 antigen-derived signals in promoting T cell proliferationl. / Sehajpal, P. K.; Li, B.; Zanker, B.; Murthi, V. K.; Subramaniam, A.; Sharma, V. K.; Estin, D.; Skolnik, E. Y.; Wieder, K. J.; Walz, G.; Fotino, M.; Stenzel, K. H.; Strom, T. B.; Suthanthiran, Manikkam.

In: Transplantation, Vol. 51, No. 2, 01.01.1991, p. 468-474.

Research output: Contribution to journalArticle

Sehajpal, PK, Li, B, Zanker, B, Murthi, VK, Subramaniam, A, Sharma, VK, Estin, D, Skolnik, EY, Wieder, KJ, Walz, G, Fotino, M, Stenzel, KH, Strom, TB & Suthanthiran, M 1991, 'The molecular basis for the synergism between the CD3/αβ T cell receptor and the CD2 antigen-derived signals in promoting T cell proliferationl', Transplantation, vol. 51, no. 2, pp. 468-474.
Sehajpal, P. K. ; Li, B. ; Zanker, B. ; Murthi, V. K. ; Subramaniam, A. ; Sharma, V. K. ; Estin, D. ; Skolnik, E. Y. ; Wieder, K. J. ; Walz, G. ; Fotino, M. ; Stenzel, K. H. ; Strom, T. B. ; Suthanthiran, Manikkam. / The molecular basis for the synergism between the CD3/αβ T cell receptor and the CD2 antigen-derived signals in promoting T cell proliferationl. In: Transplantation. 1991 ; Vol. 51, No. 2. pp. 468-474.
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