Article
The intricate role of complement component C4 in human systemic lupus erythematosus.
Current directions in autoimmunity - 1 Jan 2004
Yang Yan, Chung Erwin K, Zhou Bi, Lhotta Karl, Hebert Lee A, Birmingham Daniel J, Rovin Brad H, Yu C Yung
Abstract excerpt
It was observed about 50 years ago that low serum complement activity or low protein concentrations of complement C4 concurred with disease activities of systemic lupus erythematosus (SLE). Complete deficiencies of complement components C4A and C4B, albeit rare in human populations, are among the strongest genetic risk factors for SLE or lupus-like disease, across HLA haplotypes and racial backgrounds. However,...
Topics
- Alleles
- Amino Acid Sequence
- Animals
- Base Sequence
- Complement C4
- Gene Deletion
- Genetic Variation
- Humans
- Immune Complex Diseases
- Lupus Erythematosus, Systemic
- Molecular Sequence Data
