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  • Title: [In vitro incorporation of radioactive sulfur into proteoglycans of cartilage. Effects of various nonsteroidal anti-inflammatory agents].
    Author: Franchimont P, Gysen P, Lecomte-Yerna MJ, Gaspar S.
    Journal: Rev Rhum Mal Osteoartic; 1983 Apr; 50(4):249-53. PubMed ID: 6879091.
    Abstract:
    Radioactive sulphur (35SO4) is incorporated in the proteoglycans of chicken embryonic cartilage. In fact, the molecular weight of the macromolecules which bind the sulphur corresponds to monomeric proteoglycans and proteoglycan-hyaluronic acid complexes. This incorporation does not take place when the cartilage has been previously killed. The capture of 35S is stimulated by human serum, in a dose-dependent way. At doses less then, equal to and greater than the maximal plasma concentrations observed following a single oral dose (600 mg), acetyl salicylic acid and sodium salicylate inhibit the incorporation of radioactive sulphur in the cartilage. Under the same conditions, tiaprofenic acid and oxametacine have no effect on this metabolic parameter.
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