Oxidative DNA and mitochondrial DNA change in patients with SLE

  • Hui Ting Lee
  • , Tsai Hung Wu
  • , Chen Sung Lin
  • , Chyou Shen Lee
  • , Siao Cian Pan
  • , Deh Ming Chang
  • , Yau Huei Wei
  • , Chang Youh Tsai*
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

18 Scopus citations

Abstract

We evaluated plasma IL-10, IFN-alpha, IL-23, IFN-gamma, IP-10, MCP-1, 8-OHdG, leukocyte mtDNA, serum anti-dsDNA antibodies and disease activity index (SLEDAI) in SLE patients. 93 patients (35 nephritis, 4 under dialysis, 5 under rituximab) and 50 healthy controls were recruited. Compared with healthy controls, SLE patients had higher IL-10, IFN-alpha, IL-23, IFN-γ IP-10 and MCP-1 (p<0.05). High IFN-alpha (p=0.031) and IP-10 (p=0.026) correlated with high SLEDAI; high IFN-alpha (p<0.001), IL-23 (p=0.023) and IP-10 (p<0.001) correlated with high anti-dsDNA. High IL-10 (p=0.014), IL-23 (p<0.001), IFN-gamma (p<0.001) and MCP-1 (p=0.002) correlated with high 8-OHdG and high IL-23 (p<0.001), INF-gamma (p<0.001), IP-10 (p=0.023) and MCP-1 (p=0.002) correlated with low leukocyte mtDNA. mtDNA 4977 deletion correlated with high mtDNA (p=0.011) and low IL-10 (p=0.009). MCP-1 (p=0.043) decreased after rituximab therapy. 54 SLE patients without nephritis, 35 with nephritis but without dialysis, and 4 with nephritis under dialysis exhibited stepwise increases in IL-23 (p=0.009) and MCP-1 (p=0.015). These data suggest that oxidative DNA and mtDNA alterations and coordinate changes in cytokines/chemokines are implicated in progression of SLE and rituximab in amelioration of SLE.

Original languageEnglish
Pages (from-to)493-503
Number of pages11
JournalFrontiers in Bioscience - Landmark
Volume22
Issue number3
DOIs
StatePublished - 01 01 2017
Externally publishedYes

Keywords

  • Chemokine
  • Interferon
  • Mitochondrial DNA
  • Oxidative stress
  • Systemic lupus erythematosus; interleukin

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