Current opinion in rheumatology · 2013
The role of natural killer cells, gamma delta T-cells and other innate immune cells in spondyloarthritis.
СтатьяПоддержка исследования: вне правительства СШАОбзорНазвание и аннотация: Перевод в очереди
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Al-Mossawi Mohammad H, Ridley Anna, Kiedel Sarah, Bowness Paul
Аннотация
PURPOSE OF REVIEW: Natural killer (NK) cells, gamma delta (γδ) T-cells and other innate immune cells are important lymphocyte subsets able both to produce cytokines including the pro-inflammatory cytokine IL-17 and to kill cellular targets. This review describes the features of NK cells, γδ T-cells and other innate immune cells, and outlines the evidence for their potential pathogenic roles in spondyloarthritis (SpA).
RECENT FINDINGS: NK cells and T cells both express receptors that recognize aberrantly folded human leucocyte antigen. This interaction seems to polarize towards a type 17 immunity programme which has been increasingly implicated in SpA pathology. γδ T-cells have also been shown to be polarized towards a type 17 immunity programme in SpA. Gut interactions with the microbiome can influence NK and innate lymphoid immune responses in SpA and other related diseases. A newly identified population of resident lymphoid cells at the enthesis for the first time offers an explanation for the anatomical localization of SpA.
SUMMARY: NK cells, γδ T-cells and other innate immune cells are capable of sharing expression of both transcription factors, including RORγt, and cell surface receptors, such as the killer immunoglobulin-like receptors. There is increasing genetic and functional evidence that they contribute to the RORγt-driven inflammatory type 17 immune responses, and they may link gut inflammation and joint pathology in SpA.
RECENT FINDINGS: NK cells and T cells both express receptors that recognize aberrantly folded human leucocyte antigen. This interaction seems to polarize towards a type 17 immunity programme which has been increasingly implicated in SpA pathology. γδ T-cells have also been shown to be polarized towards a type 17 immunity programme in SpA. Gut interactions with the microbiome can influence NK and innate lymphoid immune responses in SpA and other related diseases. A newly identified population of resident lymphoid cells at the enthesis for the first time offers an explanation for the anatomical localization of SpA.
SUMMARY: NK cells, γδ T-cells and other innate immune cells are capable of sharing expression of both transcription factors, including RORγt, and cell surface receptors, such as the killer immunoglobulin-like receptors. There is increasing genetic and functional evidence that they contribute to the RORγt-driven inflammatory type 17 immune responses, and they may link gut inflammation and joint pathology in SpA.