Interleukin 2-induced tyrosine phosphorylation. Interleukin 2 receptor beta is tyrosine phosphorylated.
نویسندگان
چکیده
منابع مشابه
Regulation of interleukin-3-induced substrate phosphorylation and cell survival by SHP-2 (Src-homology protein tyrosine phosphatase 2).
The cytosolic SHP-2 (Src homology protein tyrosine phosphatase 2) has previously been implicated in IL-3 (interleukin-3) signalling [Bone, Dechert, Jirik, Schrader and Welham (1997) J. Biol. Chem. 272, 14470 -14476; Craddock and Welham (1997) J. Biol. Chem. 272, 29281-29289; Welham, Dechert, Leslie, Jirik and Schrader (1994) J. Biol. Chem. 269, 23764-23768; Qu, Nguyen, Chen and Feng (2001) Bloo...
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We have recently established a mAb named TU11 mAb specific for the p75 subunit of human IL-2 receptor (IL-2R). The present study using TU11 mAb demonstrates the IL-2-induced phosphorylation of IL-2Rp75 on tyrosine residues in IL-2-dependent T cells. The tyrosine phosphorylation is mediated by the high affinity IL-2R, correlates with the IL-2-induced cell growth, and rapidly increases during the...
متن کاملJanus kinases in interleukin-2-mediated signaling: JAK1 and JAK3 are differentially regulated by tyrosine phosphorylation
BACKGROUND Cytokines mediate a variety of effector cell functions, including cellular proliferation, differentiation, and modulation of the immune response. Many cytokines activate receptor-associated Janus kinases (JAKs) that promote tyrosine phosphorylation of signal transducers and activators of transcription (STAT) factors. Although JAK activation has been correlated with phosphorylation, t...
متن کاملTyrosine phosphorylation of an interleukin 2 receptor-like protein in cells transformed by human T cell leukemia virus type I
Three interleukin 2 (IL-2)-independent human T cell lines transformed with human T cell leukemia virus type I were analyzed for o-phosphotyrosine-containing proteins (Ptyr proteins). Membrane and intracellular immunofluorescence was positive with antibody to Ptyr (Ptyr antibody). 10 size classes of Ptyr proteins with molecular masses of 81-28 kD were isolated with Ptyr antibodies. Among these, ...
متن کاملThe interleukin-2 receptor.
The human body defends itself against foreign invaders such as bacteria and viruses by a defense system that involves antibodies and thymus-derived lymphocytes (T cells). A major advance over the past decade has been the demonstration that the diverse cells within the immunological network communicate with each other not only by cell/cell contact but also by an array of hormone-like proteins te...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1990
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)39806-0