The British Journal of Rheumatology, Vol 36, 174-177, Copyright © 1997 by British Society for Rheumatology
A Bond, LG Ratkay, JD Waterfield and FC Hay
Our objective was to investigate IgG glycosylation and disease activity
post partum in the MRL-lpr/lpr mouse. Disease activity was monitored using
bimalleolar ankle swelling. Levels of galactose and N- acetylglucosamine
(GlcNAc) on IgG isolated from serum were measured using biotinylated
lectins. Our results show that disease severity increased post partum. This
post-partum flare correlated significantly with an increase in IgG GlcNAc
expression. The disease severity increased post partum in the MRL-lpr/lpr
mouse model similar to the changes seen in rheumatoid arthritis (RA).
ORIGINAL PAPERS
Post-partum flare in MRL-lpr/lpr mice is associated with a parallel increase of N-acetylglucosamine on serum IgG
Department of Cellular and Molecular Sciences, St George's Hospital Medical School, London.
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