Raised monocyte chemotactic protein-1 (MCP-1)/CCL2 in cerebrospinal fluid of patients with neuropsychiatric lupus

N. Iikuni, H. Okamoto, T. Yoshio, E. Sato, S. Kamitsuji, T. Iwamoto, S. Momohara, A. Taniguchi, H. Yamanaka, S. Minota, N. Kamatani

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Abstract

Background: An imbalance in cytokine homoeostasis is thought to have a key role in the neuropsychiatric syndromes of systemic lupus erythematosus (NPSLE), and recently, a role for chemokines has been noted. Objective: To compare concentrations of monocyte chemotactic protein-1 (MCP-1)/CCL2 in cerebral spinal fluid (CSF) of patients with SLE, and with and without neuropsychiatric symptoms. Methods: CSF was obtained from 185 patients with SLE: 96 with NPSLE and 89 patients with SLE without neuropsychiatric symptoms (non-NPSLE patients). MCP-1/CCL2 concentrations were measured with an ELISA. Results: The average concentration of CSF MCP-1/CCL2 in patients with NPSLE was 1959 pg/ml, and in non-NPSLE patients 712 pg/ml. The average MCP-1/CCL2 concentration was significantly higher in the NPSLE group than in the non-NPSLE group (p<0.001). In one representative patient with NPSLE, MCP-1/CCL2 levels in the CSF decreased in parallel with a decline in neuropsychiatric symptoms. Conclusions: CSF MCP-1/CCL2 levels are higher in patients with NPSLE than in non-NPSLE patients. MCP-1/CCL2 may have an important role in the expression of NPSLE. These results indicate that CSF MCP-1/CCL2 reflects an inflammatory activity in the brain, suggesting that it might be used as a diagnostic tool and a monitor for therapeutic responses in patients with NPSLE.

Original languageEnglish
Pages (from-to)253-256
Number of pages4
JournalAnnals of the rheumatic diseases
Volume65
Issue number2
DOIs
Publication statusPublished - 2006 Feb 1

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ASJC Scopus subject areas

  • Immunology and Allergy
  • Rheumatology
  • Immunology
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Iikuni, N., Okamoto, H., Yoshio, T., Sato, E., Kamitsuji, S., Iwamoto, T., Momohara, S., Taniguchi, A., Yamanaka, H., Minota, S., & Kamatani, N. (2006). Raised monocyte chemotactic protein-1 (MCP-1)/CCL2 in cerebrospinal fluid of patients with neuropsychiatric lupus. Annals of the rheumatic diseases, 65(2), 253-256. https://doi.org/10.1136/ard.2005.041640