Chymopapain treatment of intervertebral disc disease

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Abstract
In the first of a two-part study, the authors review the known biochemical, pharmacological, toxicological, and experimental data concerning chymopapain and the intervertebral disc. They describe the action of this proteolytic enzyme, which apparently disrupts the protein mucopolysaccharide component of disc material, most marked in the nucleus pulposus. A rapid conversion to collagen causes a loss of disc space height; toxicity appears to result from alteration of bonding between capillary endothelial cells that in turn produces hemorrhage. Part 2 reviews significant reported results and complications of clinical chemonucleolysis.

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