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Cytokines are proteins, peptides or glycoproteins secreted by lymphocytes and monocytes that regulate immune responses, haematopoiesis and lymphocyte development. Cytokines include interleukins, chemokines and other signalling molecules. Each cytokine acts through its own receptor on target cells, and these receptors include members of the immunoglobulin (Ig) superfamily and tumour necrosis factor (TNF).
The intestinal immune response is tightly controlled to limit inflammation, largely by the cytokine IL-10, which prevents colitis. We report that the transcription factors c-MAF and BLIMP-1 induced IL-10 in T cells in the colon, but also acted to negatively regulate distinct cytokine pathways to restrict pathobiont-induced colitis.
In this Review, the authors analyze evidence for autoimmunity against components of antimicrobial immunity, metaphorically represented by the mythical ouroboros snake eating its own tail.
In graft rejection, Th17 promotes tertiary lymphoid tissue, neutrophilic infiltration and DSAs. The RORγt inverse agonist TF-S14 inhibits Th17 cytokines, antibody class switching and prolongs allograft survival in sensitized mice.
The intestinal immune response is tightly controlled to limit inflammation, largely by the cytokine IL-10, which prevents colitis. We report that the transcription factors c-MAF and BLIMP-1 induced IL-10 in T cells in the colon, but also acted to negatively regulate distinct cytokine pathways to restrict pathobiont-induced colitis.
Granulosomes are novel complexes that feature an unexpected partnership between the tetraspanin CD63 and the inflammasome proteins NLRP3 and ASC. Granulosomes assemble on mast cell granules to propel them along microtubules to the plasma membrane for degranulation.
The alarmin IL-33 activates type 1 and type 2 immune cells via its receptor ST2 in a context-specific manner. We discovered a type 1 immunity-restricted promoter of the ST2-coding gene Il1rl1, which is located far upstream of the curated gene and is crucial for antiviral CD8+ cytotoxic T cell and CD4+ TH1 cell responses.