Abstract
Rheumatoid arthritis (RA) was differentiated from systemic lupus erythematosus (SLE) by direct immunofluorescent techniques on skin specimens, using monospecific antisera for IgG, IgM, C3, C1q, properdin, and fibrin. Of 30 patients with RA studied, 20 had dermal vessel deposits of immunoglobulins and complement components in unaffected skin without the characteristic dermal-epidermal junctional fluorescence of SLE. Of 24 SLE patients studied, 24 had granular deposits of immunoglobulins and complement components in unaffected skin at the dermal-epidermal junction.
MeSH Terms
Arthritis, Rheumatoid/immunology
Complement C1/analysis
Complement C3/analysis
Complement System Proteins/analysis
Fibrin/analysis
Humans
Immunoglobulin G/analysis
Immunoglobulin M/analysis
Immunoglobulins/analysis
Lupus Erythematosus, Systemic/immunology
Middle Aged
Properdin/analysis
Skin/immunology
Chemicals
Complement C1
Complement C3
Immunoglobulin G
Immunoglobulin M
Immunoglobulins
Properdin
Fibrin
Complement System Proteins
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Schroeter A L
Conn D L
Jordon R E
References (26)
26 references, click to expand
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