IMR Press / FBL / Volume 22 / Issue 3 / DOI: 10.2741/4497

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Article

Oxidative DNA and mitochondrial DNA change in patients with SLE

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1 Division of Allergy, Immunology & Rheumatology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
2 Mackay Junior College of Medicine, Nursing, and Management, New Taipei City, Taiwan
3 Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
4 Institute of Biochemistry and Molecular Biology, National Yang-Ming University, Taipei, Taiwan
5 Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
6 Division of Thoracic Surgery, Feng-Yuan Hospital, Ministry of Health and Welfare, Taichung City, Taiwan
7 Division of Nephrology, Taipei Veterans General Hospital, Taipei, Taiwan
8 Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, Taipei, Taiwan

Academic Editors: Yau-Huei Wei, Myung-Shik Lee

Front. Biosci. (Landmark Ed) 2017, 22(3), 493–503; https://doi.org/10.2741/4497
Published: 1 January 2017
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.

Keywords
Systemic Lupus Erythematosus
Interleukin
Interferon
Chemokine
Mitochondrial DNA
Oxidative Stress
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