The immunologic detection and characterization of cartilage proteoglycan degradation products in synovial fluids of patients with arthritis
Open Access
- 1 May 1987
- journal article
- research article
- Published by Wiley in Arthritis & Rheumatism
- Vol. 30 (5), 519-529
- https://doi.org/10.1002/art.1780300506
Abstract
Antibodies were used in radioimmunoassays with gel chromatography to detect the hyaluronic acid‐binding region, core protein, and keratan sulfate of human cartilage protoeglycan in the synovial fluids of patients with rheumatoid arthritis, juvenile rheumatoid arthritis, and osteoarthritis. All fluids contained proteoglycan that was mainly included on Sepharose CL‐4B; this result indicates cleavage of proteoglycan (which is normally excluded). The hyaluronic acid‐binding region was the smallest and most commonly detected fragment. It was relatively free of keratan sulfate and core protein, and it could sometimes bind to hyaluronic acid. Other larger fragments containing core protein and/or keratan sulfate were detected in every fluid.This publication has 42 references indexed in Scilit:
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