A family of human lymphoid and myeloid Ig-like receptors, some of which bind to MHC class I molecules.

  • Borges L
  • Hsu M
  • Fanger N
  • et al.
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Abstract

Leukocyte Ig-like receptors (LIRs) are a newly discovered family of immunoreceptors expressed on monocytes and B cells and at lower levels on dendritic cells and NK cells. The amino acid sequences in the extracellular regions of eight of these receptors show between 63 and 84% identity to the prototypic LIR-1 sequence. LIRs contain either two or four Ig domains and fall into three classes: those with cytoplasmic domains containing two, three, or four immunoreceptor tyrosine-based inhibitory motif-like motifs; those with a short cytoplasmic domain and no immunoreceptor tyrosine-based inhibitory motif-like motifs; and those with no transmembrane domain represented by a single LIR molecule that is presumably secreted. The LIRs are structurally related to the human Fc(alpha)R and the killer inhibitory receptors and map to the same region of chromosome 19 as these genes. Like killer inhibitory receptors, at least two LIRs bind to MHC class I Ags, but their different cellular distribution suggests a distinct role in immune system modulation.

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APA

Borges, L., Hsu, M. L., Fanger, N., Kubin, M., & Cosman, D. (1997). A family of human lymphoid and myeloid Ig-like receptors, some of which bind to MHC class I molecules. The Journal of Immunology, 159(11), 5192–5196. https://doi.org/10.4049/jimmunol.159.11.5192

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