Abstract:
:Dendritic cells (DCs) are the most potent antigen-presenting cells and play an essential role for triggering T-cell-mediated immune responses. In search for novel cell surface molecules expressed on DCs involved in T cell priming by representational differential analysis, we identified a mouse homologue of Tspan-3 (mTspan-3), a novel member of the tetraspanin superfamily. The mTspan-3 consists of four hydrophobic, putative transmembrane regions, forming a small and a large extracellular loop, with short intracellular amino and carboxil tails. Although the mTspan-3 is expressed on a variety of immune cell types including resting DCs, its expression on DCs is downregulated during activation induced by cross-linking CD40 with anti-CD40 monoclonal antibody. These results suggest that mTspan-3 may be involved in the function of DCs in association with T cell stimulation.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Tokoro Y,Shibuya K,Osawa M,Tahara-Hanaoka S,Iwama A,Kitamura T,Nakauchi H,Shibuya Adoi
10.1006/bbrc.2001.5742subject
Has Abstractpub_date
2001-10-19 00:00:00pages
178-83issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(01)95742-0journal_volume
288pub_type
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