Article ; Online: NKT cells in the antitumor response: the β version?
The Journal of clinical investigation
2024 Volume 134, Issue 4
Abstract: NKT cells recognize glycolipids presented by CD1d-expressing antigen-presenting cells (APCs) and include type I NKT cells with antitumor function and type II NKT cells, which have been reported to suppress the antitumor response. Some type II NKT cells ... ...
Abstract | NKT cells recognize glycolipids presented by CD1d-expressing antigen-presenting cells (APCs) and include type I NKT cells with antitumor function and type II NKT cells, which have been reported to suppress the antitumor response. Some type II NKT cells recognize sulfatide, a glycosphingolipid with a sulfate modification of the sugar. Type I NKT cells recognize different glycosphingolipids. In this issue of the JCI, Nishio and colleagues showed that APCs could process sulfatide antigens, analogous to protein processing for peptide-reactive T cells. Antigen processing in lysosomes removed sulfate to generate a glycosphingolipid that stimulated type I NKT cells and thereby turned an antigen with no antitumor activity into one that not only stimulated type I NKT cells but also stimulated antitumor responses. These findings may extend to the development of glycolipid antigens that could stimulate anticancer responses via antigen processing by APCs. |
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MeSH term(s) | Natural Killer T-Cells ; Sulfoglycosphingolipids/metabolism ; Antigens, CD1d ; Glycolipids/metabolism ; Glycosphingolipids/metabolism ; Sulfates/metabolism |
Chemical Substances | Sulfoglycosphingolipids ; Antigens, CD1d ; Glycolipids ; Glycosphingolipids ; Sulfates |
Language | English |
Publishing date | 2024-02-15 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 3067-3 |
ISSN | 1558-8238 ; 0021-9738 |
ISSN (online) | 1558-8238 |
ISSN | 0021-9738 |
DOI | 10.1172/JCI177663 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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