Uncoupled collagen synthesis and degradation assays
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United States of America Patent
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Jun 21, 2011
Grant Date -
Dec 20, 2007
app pub date -
Jun 5, 2007
filing date -
Nov 8, 2002
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Abstract
The invention relates to methods for determining the progression of cartilage degeneration diseases, such as osteoarthritis and rheumatoid arthritis, by quantitating collagen synthesis and degradation markers in patient samples. One can determine whether a cartilage degeneration condition is progressing, regressing, or remaining stable by quantitating collagen synthesis and degradation markers in patient samples and comparing the value obtained to a reference value. When a joint affected by cartilage degeneration in question expresses collagen synthesis and degradation markers, a change in this value is indicative of a change in the progression of the cartilage degeneration condition. The methods and apparatus of the invention allow accurate determination of the therapeutic effects certain cartilage degeneration drug treatments, including osteoarthritis and rheumatoid arthritis drug treatments, so are also useful for pharmaceutical efficacy studies in mammals.
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