Spandidos Publications: International Journal of Molecular Medicine (original) (raw)

Article

Interleukin-31 stimulates production of inflammatory mediators from human colonic subepithelial myofibroblasts

• Authors:
  • Yuhki Yagi
  • Akira Andoh
  • Atsushi Nishida
  • Makoto Shioya
  • Takashi Nishimura
  • Takayoshi Hashimoto
  • Tomoyuki Tsujikawa
  • Yasuharu Saito
  • Yoshihide Fujiyama
• Pages: 941-946
  |
  Published online on: June 1, 2007
  https://doi.org/10.3892/ijmm.19.6.941
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Abstract

Interleukin (IL)-31 is mainly produced by CD4+ T cells, in particular T cells skewed toward a Th2 phenotype. Here we report for the first time that IL-31 stimulates secretion of proinflammatory cytokines, chemokines and matrix metalloproteinases (MMPs) from human colonic subepithelial myofibroblasts (SEMFs). The effects of IL-31 were investigated by cDNA microarrays, enzyme-linked immunosorbent assay, and real-time PCR. IL-31 effectively induced chemokines [IL-8, GRO-α (growth-related oncogene-α), MCP-3 (monocyte chemoattractant protein-3), CXCL3, CCL13 and CCL15], proinflammatory cytokines (IL-6, IL-16 and IL-32) and matrix metalloproteinases (MMP-1, MMP-3, MMP-25 and MMP-7). IL-31 dose-dependently induced secretion of IL-6, IL-8, GRO-α, MCP-3, MMP-1 and MMP-3. The effects of IL-31 were comparable to the effects of IL-17A. IL-31 and IL-17A showed additive effects on IL-6, IL-8, GRO-α, MCP-3, MMP-1 and MMP-3 secretion. In conclusion, we demonstrated that IL-31 is a potent inducer of proinflammatory mediators in human colonic SEMFs. IL-31 may function as a proinflammatory cytokine derived from Th2 cells.

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