期刊
BRITISH JOURNAL OF HAEMATOLOGY
卷 122, 期 4, 页码 617-622出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1365-2141.2003.04465.x
关键词
myelodysplastic syndromes; innate immunity; natural killer T cells; glycolipids; CD1d
类别
资金
- NCI NIH HHS [CA 05826, CA 81138, CA 84512] Funding Source: Medline
- NCRR NIH HHS [M01 RR 00102] Funding Source: Medline
Here we show that patients with myelodysplastic syndromes (MDS) have a severe deficiency of glycolipid reactive Valpha24(+) /Vbeta11(+) natural killer T (NKT) cells, but not NK cells or CD4(+) or CD8(+) T cells. Neither the blood nor marrow of MDS patients had detectable interferon-gamma-producing NKT cells in response to the NKT ligand, alpha-galactosyl ceramide, although influenza-virus-specific effector T-cell function was preserved. This severe and selective deficiency of an important immune regulatory cell may contribute to the pathogenesis of MDS.
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