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Complement Split Product C3d As an Indicator of Disease Activity in Systemic Lupus Erythematosus

Overview
Journal Clin Rheumatol
Publisher Springer
Specialty Rheumatology
Date 1993 Mar 1
PMID 8467609
Citations 11
Authors
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Abstract

In order to investigate, if complement levels can be used as an indicator of clinical activity in systemic lupus erythematosus (SLE), levels of C3, C4, CH50, and C3d were measured in 79 patients, 41 with inactive, 31 with moderately active and 7 with severely active disease. Our study shows that C3d, and particularly the C3d/C3 ratio, provide sensitive markers for disease activity in SLE. Since C3d is a direct measurement of complement turnover, it reflects complement activation better than C3, C4 and CH50.

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