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Cited by 451

The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.

A monoclonal antibody to a constant determinant of the rat T cell antigen receptor that induces T cell activation. Differential reactivity with subsets of immature and mature T lymphocytes.

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Hünig, T, Wallny, H J, Hartley, J K, Lawetzky, A, Tiefenthaler, G·1989·The Journal of experimental medicine

Abstract

mAb R73 detects a T cell-specific surface molecule consisting of two disulfide-linked subunits of 40 and 46 kD, respectively, on 97% of peripheral rat T cells, as defined by the OX-52 marker. Of the few OX-52+ R73- cells, none are CD4+ but many express the CD8 antigen known to be present on rat NK cells. mAb R73 is mitogenic for unseparated spleen cells and for purified T cells. In the absence of non-T "accessory cells", stimulation by R73 requires artificial crosslinking of the mAb and is largely dependent on exogenous IL-2. Overnight incubation of purified T cells with crosslinked R73 mAb induces blastoid transformation, IL-2-R expression, and modulation of the R73 antigen. In the rat thymus, mature medullary cells express the R73 determinant at the same level as peripheral T cells, whereas 94% of CD4-CD8- thymocytes are R73-. The major CD4+8+ thymocyte population contains 25% R73- and 70% R73low cells. Thymocytes of the CD4-CD8+OX-44- subpopulation that are the direct precursors of CD4+CD8+ cells display a continuum of R73 antigen density from undetectable to very low levels. We conclude that R73 is most likely directed at a constant determinant of the rat alpha/beta heterodimeric TCR and suggest that CD8+ immature thymocytes are the first cells in the T cell differentiation pathway to express this molecule at their surface.

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Metadata

Authors
Hünig, T., Wallny, H. J., Hartley, J. K., Lawetzky, A., & Tiefenthaler, G.
Venue
The Journal of experimental medicine
Published
1989-01-01
Volume
169
Issue
1
Pages
73-86
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2104735980
Cited by
451
References
25
FWCI
13.36
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A monoclonal antibody to a constant determinant of the rat T cell antigen receptor that induces T cell activation. Differential reactivity with subsets of immature and mature T lymphocytes. https://app.cochat.ai/papers/10.1084/jem.169.1.73
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Hünig, T., Wallny, H. J., Hartley, J. K., Lawetzky, A., & Tiefenthaler, G. (1989). A monoclonal antibody to a constant determinant of the rat T cell antigen receptor that induces T cell activation. Differential reactivity with subsets of immature and mature T lymphocytes. The Journal of experimental medicine. https://doi.org/10.1084/jem.169.1.73

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