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Collagenase activity in human saliva.

K Iijima, K Ando, M Kishi

    Journal of Dental Research
    |June 1, 1983
    PubMed
    Summary

    Human saliva contains high collagenase activity, which is elevated in patients with periodontal disease. This collagenase is likely derived from tissue, not bacteria.

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    Area of Science:

    • Biochemistry
    • Oral Biology
    • Periodontology

    Background:

    • Collagenase enzymes play a role in tissue remodeling and degradation.
    • Periodontal diseases involve the breakdown of oral tissues.

    Purpose of the Study:

    • To investigate collagenase activity in human whole saliva.
    • To compare collagenase activity between healthy individuals and those with periodontal diseases.
    • To determine the origin of salivary collagenase.

    Main Methods:

    • Enzyme activity assays were performed on human whole saliva samples.
    • Saliva samples were collected from both healthy subjects and patients with periodontal diseases.
    • Characteristic properties of the enzyme were analyzed to infer its origin.

    Main Results:

    • Significant collagenase activity was detected in human whole saliva.
    • Collagenase activity was statistically higher in patients with periodontal diseases compared to healthy subjects.
    • Analysis suggested the collagenase was of tissue origin, not bacterial.

    Conclusions:

    • Human whole saliva possesses considerable collagenase activity.
    • Elevated salivary collagenase activity is associated with periodontal diseases.
    • The primary source of salivary collagenase is likely host tissue, not oral bacteria.

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