Plasma interleukin-18 levels in hemodialysis patients: Increased by dialysis process and association with interleukin-6 and tumor necrotic factor-α

Chih Kang Chiang, Jen Wen Huang, Shih Ping Hsu, Tai I. Ho, Mei Fen Pai, Yu Sen Peng, Shing Hwa Liu, Kuan Yu Hung, Tun Jun Tsai

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Background/Aims: This study investigated changes of interleukin-18 (IL-18) levels before and after dialysis, and the possible association with other pro-inflammatory cytokines, such as interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α). Methods: Plasma IL-18 of healthy controls, and pre- and post-dialysis of uremic patients undergoing hemodialysis (HD) were evaluated by ELISA methodology. Results: Plasma IL-18 levels were significantly increased in patients with maintenance HD (p < 0.001) compared to its level in normal subjects. When compared to pre-dialysis levels, a significant increase in plasma IL-18 was measured at the end of HD (p = 0.032). There was a significant correlation among plasma IL-18, IL-6 and TNF-α levels in HD patients. Conclusion: Plasma IL-18 concentration was significantly higher in HD patients and was significantly elevated by cellulose-based HD processes. Pre-activation of immunologically active cells may contribute to the association between pre-dialysis IL-18 and post-dialysis IL-6 and TNF-α levels.

Original languageEnglish
Pages (from-to)174-179
Number of pages6
JournalBlood Purification
Volume24
Issue number2
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

Keywords

  • Hemodialysis process
  • Interleukin-18
  • Interleukin-6
  • Pre-activation
  • Tumor necrosis factor-α

ASJC Scopus subject areas

  • Hematology
  • Nephrology

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