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Konishi R, Ichimura Y, Tanaka R, Miyahara H, Okune M, Miyamoto M, Hara M, Iwabuchi A, Takada H, Nakagishi Y, Mizuta M, Kaneko S, Shimizu M, Morio T, Nishino I, Nomura T, Okiyama N. Possible correlation between serum interleukin-8 levels and the activity of myositis in anti-NXP2 antibody-positive dermatomyositis. Immunol Med 2024:1-6. [PMID: 38174692 DOI: 10.1080/25785826.2023.2300553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
Anti-nuclear matrix protein 2 (NXP2) antibody-positive dermatomyositis (DM) is characterized by extensive and severe myositis. In this study, we evaluated which cytokines/chemokines involved with the activity of the myositis. We performed quantitative immunoassays using the MILLIPLEX® Multiplex Assays Using Luminex to evaluate serum levels of interferon-γ, interleukin (IL)-1β, IL-6, IL-8, IL-12p40, and tumor necrosis factor-α in samples collected over time from a 9-year-old female with anti-NXP2 antibody-positive DM. In our case, the serum level of IL-8 was elevated when the myositis worsened, and decreased in accordance with the improvement of myositis, suggesting that the serum IL-8 levels were correlated with the myositis activity. Serum levels of IL-8 in samples from five patients with anti-NXP2 antibody-positive DM and five patients with anti-transcriptional intermediary factor 1γ (TIF1γ) antibody-positive DM without both interstitial lung disease (ILD) and malignancy before starting treatments, along with five healthy controls, were also evaluate by an enzyme-linked immunosorbent assay. Serum IL-8 levels were significantly elevated in anti-NXP2 or anti-TIF1γ antibody-positive DM patients with myositis but not ILD, than healthy controls. It was suggested that serum levels of IL-8 correlate with the activity of myositis in DM including anti-NXP2 antibody-positive DM.
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Affiliation(s)
- Risa Konishi
- Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Yuki Ichimura
- Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Division of Rheumatology, Department of Internal Medicine, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | - Ryota Tanaka
- Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Hanako Miyahara
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Mari Okune
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Masahide Miyamoto
- Department of Pediatrics, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Monami Hara
- Department of Pediatrics, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Atsushi Iwabuchi
- Department of Pediatrics, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Hidetoshi Takada
- Department of Pediatrics, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Yasuo Nakagishi
- Department of Pediatric Rheumatology, Hyogo Prefectural Kobe Children's Hospital, Hyogo, Japan
| | - Mao Mizuta
- Department of Pediatric Rheumatology, Hyogo Prefectural Kobe Children's Hospital, Hyogo, Japan
| | - Shuya Kaneko
- Department of Pediatrics and Developmental Biology, Faculty of Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Masaki Shimizu
- Department of Pediatrics and Developmental Biology, Faculty of Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tomohiro Morio
- Department of Pediatrics and Developmental Biology, Faculty of Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Ichizo Nishino
- Department of Neuromuscular Research, National Institute of Neuroscience
- Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Toshifumi Nomura
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Naoko Okiyama
- Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
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