Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by numerous autoantibodies. In this study, we investigated the presence of anti-chloride intracellular channel 2 (anti-CLIC2) and anti-high mobility group box 1 (anti-HMGB1) autoantibodies in SLE patients (n = 43) ve...
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my.usm.eprints.38371 http://eprints.usm.my/38371/ Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients CS, Syahidatulamali WG, Wan Syamimee Y, Nor Azwany Wong, KK CH, Che Maraina QR180-189.5 Immunology Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by numerous autoantibodies. In this study, we investigated the presence of anti-chloride intracellular channel 2 (anti-CLIC2) and anti-high mobility group box 1 (anti-HMGB1) autoantibodies in SLE patients (n = 43) versus healthy controls ([HCs] n = 43), and their association with serological parameters (antinuclear antibody [ANA], anti-double-stranded DNA [anti-dsDNA], and C-reactive protein [CRP]) and disease activity using Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) score (active or inactive). Settings and Design: Case– control study at Rheumatology Clinic of Universiti Sains Malaysia Hospital. Subjects and Methods: The sera of SLE patients and HCs were tested for the presence of anti-CLIC2 and anti-HMGB1 autoantibodies using human recombinant proteins and ELISA methodologies. Other serological parameters were evaluated according to routine procedures, and patients' demographic and clinical data were obtained. Statistical Analysis: Mann– Whitney U-test, Chi-square test, Fisher's exact test, and receiver operating characteristic analysis. Results: Anti-CLIC2 autoantibody levels were significantly higher in SLE patients compared to HCs (P = 0.0035), whereas anti-HMGB1 autoantibody levels were not significantly elevated (P = 0.7702). Anti-CLIC2 and anti-HMGB1 autoantibody levels were not associated with ANA pattern, anti-dsDNA, and CRP. Interestingly, SLEDAI score (≥6) was associated with anti-CLIC2 (P = 0.0046) and with anti-HMGB1 (P = 0.0091) autoantibody levels. Conclusion: Our findings support the potential of using anti-CLIC2 autoantibodies as a novel biomarker for SLE patients. Both anti-CLIC2 and anti-HMGB1 autoantibody levels demonstrated potential in monitoring SLE disease activity. Medknow Publications 2017 Article PeerReviewed application/pdf en http://eprints.usm.my/38371/1/Association_of_anti-CLIC2_and_anti-HMGB1_autoantibodies.pdf CS, Syahidatulamali and WG, Wan Syamimee and Y, Nor Azwany and Wong, KK and CH, Che Maraina (2017) Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients. Journal of Postgraduate Medicine, 63 (4). pp. 257-261. ISSN 0022-3859 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5664871/ |
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QR180-189.5 Immunology CS, Syahidatulamali WG, Wan Syamimee Y, Nor Azwany Wong, KK CH, Che Maraina Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
description |
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by
numerous autoantibodies. In this study, we investigated the presence of anti-chloride intracellular channel 2
(anti-CLIC2) and anti-high mobility group box 1 (anti-HMGB1) autoantibodies in SLE patients (n = 43) versus
healthy controls ([HCs] n = 43), and their association with serological parameters (antinuclear antibody [ANA],
anti-double-stranded DNA [anti-dsDNA], and C-reactive protein [CRP]) and disease activity using Systemic
Lupus Erythematosus Disease Activity Index (SLEDAI) score (active or inactive). Settings and Design: Case–
control study at Rheumatology Clinic of Universiti Sains Malaysia Hospital. Subjects and Methods: The sera of
SLE patients and HCs were tested for the presence of anti-CLIC2 and anti-HMGB1 autoantibodies using human
recombinant proteins and ELISA methodologies. Other serological parameters were evaluated according to
routine procedures, and patients' demographic and clinical data were obtained. Statistical Analysis: Mann–
Whitney U-test, Chi-square test, Fisher's exact test, and receiver operating characteristic analysis. Results:
Anti-CLIC2 autoantibody levels were significantly higher in SLE patients compared to HCs (P = 0.0035), whereas
anti-HMGB1 autoantibody levels were not significantly elevated (P = 0.7702). Anti-CLIC2 and anti-HMGB1
autoantibody levels were not associated with ANA pattern, anti-dsDNA, and CRP. Interestingly, SLEDAI score
(≥6) was associated with anti-CLIC2 (P = 0.0046) and with anti-HMGB1 (P = 0.0091) autoantibody levels.
Conclusion: Our findings support the potential of using anti-CLIC2 autoantibodies as a novel biomarker for SLE
patients. Both anti-CLIC2 and anti-HMGB1 autoantibody levels demonstrated potential in monitoring SLE disease
activity. |
format |
Article |
author |
CS, Syahidatulamali WG, Wan Syamimee Y, Nor Azwany Wong, KK CH, Che Maraina |
author_facet |
CS, Syahidatulamali WG, Wan Syamimee Y, Nor Azwany Wong, KK CH, Che Maraina |
author_sort |
CS, Syahidatulamali |
title |
Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
title_short |
Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
title_full |
Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
title_fullStr |
Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
title_full_unstemmed |
Association of anti-CLIC2 and anti-HMGB1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
title_sort |
association of anti-clic2 and anti-hmgb1 autoantibodies with higher disease activity in systemic lupus erythematosus patients |
publisher |
Medknow Publications |
publishDate |
2017 |
url |
http://eprints.usm.my/38371/1/Association_of_anti-CLIC2_and_anti-HMGB1_autoantibodies.pdf http://eprints.usm.my/38371/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5664871/ |
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1643709338020216832 |
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13.18916 |