Detection of collagen degradation in vivo

Chemistry: analytical and immunological testing – Involving immune complex formed in liquid phase

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530323, 530356, 530413, G01N 33536, C07K 1520

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053209702

ABSTRACT:
Methods of determining collagen degradation in vivo, by quantitating the concentration of a peptide in a body fluid, the peptide having the following structure: ##STR1## is hydroxylysyl pyridinoline or lysyl pyridinoline, and J is pyroglutamic acid or glutamine and (Leu) are optional leucines, are disclosed.
Compositions useful in quantitating collagen peptides to determine the rate of bone resorption are prepared by treating bone with a protease, such as collagenase, and purifying the compositions so as to enrich them with peptides capable of binding to the monoclonal antibody MAb-1H11.

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