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. 1985 Jun 1;161(6):1575-80.
doi: 10.1084/jem.161.6.1575.

Interleukin 2 upregulates expression of its receptor on a T cell clone

T R Malek, J D Ashwell

Interleukin 2 upregulates expression of its receptor on a T cell clone

T R Malek et al. J Exp Med. .

Abstract

Stimulation of a class II-restricted, antigen-specific T cell clone with interleukin 2 (IL-2) resulted in substantial increases in both cell surface IL-2 receptor (IL-2-R) and cytoplasmic IL-2-R messenger RNA (mRNA), whereas no increase was observed for cell-surface expression of Thy-1 and L3T4 antigens, and only a modest increase in Thy-1 mRNA was observed. These experiments demonstrate that, after initial acquisition of the IL-2-R, IL-2 as well as antigen is able to directly upregulate both the level of IL-2-R mRNA and cell surface IL-2-R molecules.

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