Cutting Edge: Leukocyte Receptor Complex-Encoded Immunomodulatory Receptors Show Differing Specificity for Alternative HLA-B27 Structures1

Cutting Edge: Leukocyte Receptor Complex-Encoded Immunomodulatory Receptors Show Differing Specificity for Alternative HLA-B27 Structures1
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最前沿:白细胞受体复合物编码的免疫调节受体对替代 HLA-B27 结构显示出不同的特异性1

DOI:
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发表时间:
2001
影响因子:
4.4
通讯作者:
Michael J. Wilson
Michael J. Wilson
中科院分区:
医学2区
文献类型:
--
作者:
Rachel L. Allen;T. Raine;Anja Haude;J. Trowsdale;Michael J. Wilson

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我们研究了白细胞受体复合物内编码的免疫调节受体对疾病相关HLA-B27等位基因的识别。HLA I类是杀伤IG受体(KIR)和Ig样转录物(ILT)/LIR/LILR家族成员的配体(新的LILR命名法描述于www. gene.ucl.ac.uk/nomenclature/genefamily/lilr.html).这些家族的成员以经典形式和β2微球蛋白非依赖形式结合HLA-B27。经典复合物结合ILT 2、ILT 4和LIR 6转染子,但不结合ILT 1、ILT 3或ILT 5。HLA-B27的游离H链形式结合ILT 4和LIR 6。两种形式的HLA-B27结合KIR 3DL 1转染子。来自健康对照的PBL中的HLA-B27游离H链结合的CD 14+细胞,与单核细胞上的ILT 4表达一致。KIR或ILT对不同形式HLA-B27的替代识别可能影响其免疫调节功能,并可能在炎症性疾病中发挥作用。
We studied recognition of the disease-associated HLA-B27 allele by immunomodulatory receptors encoded within the leukocyte receptor complex. HLA class I are ligands for members of the killer Ig receptor (KIR) and Ig-like transcript (ILT)/LIR/LILR families (the new LILR nomenclature is described at www. gene.ucl.ac.uk/nomenclature/genefamily/lilr.html). Members of these families bound HLA-B27 in both classical and β2 microglobulin-independent forms. Classical complexes bound ILT2, ILT4, and LIR6 transfectants but not ILT1, ILT3, or ILT5. A free H chain form of HLA-B27 bound ILT4 and LIR6. Both forms of HLA-B27 bound KIR3DL1 transfectants. HLA-B27 free H chain bound CD14+ cells in PBL from healthy controls, consistent with ILT4 expression on monocytes. Alternative recognition of different forms of HLA-B27 by KIR or ILT could influence their immunomodulatory function and may imply a role in inflammatory disease.
I 类 HLA 分子在活化和转化的人类细胞表面聚集。
DOI: --
发表时间: 1994
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
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