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  • Title: Salivary levels of alpha 2-macroglobulin, alpha 1-antitrypsin, C-reactive protein, cathepsin G and elastase in humans with or without destructive periodontal disease.
    Author: Pederson ED, Stanke SR, Whitener SJ, Sebastiani PT, Lamberts BL, Turner DW.
    Journal: Arch Oral Biol; 1995 Dec; 40(12):1151-5. PubMed ID: 8850655.
    Abstract:
    Five host-response indicators were measured by enzyme-linked immunosorbent assays on unstimulated whole saliva samples from 45 adults (19 male, 26 female). The participants were distributed among four dentate groups representing oral health (I), gingivitis (II), moderate periodontitis (III), and severe periodontitis (IV), and one group of edentulous volunteers (V). Levels of the host-response indicators varied widely, from zero, primarily with groups I and V, to relatively high values with groups II, III and IV. The levels ranged as follows: alpha 2-macroglobulin, 0-4941 ng/ml; alpha 1-antitrypsin, 2-2271 ng/ml; C-reactive protein, 0-472 pg/ml; cathepsin G, 0-6035 ng/ml; elastase, 0-164 ng/ml (free), 0-732 ng/ml (bound to alpha 1-antitrypsin), and 0-318 ng/ml (bound to alpha 2-macroglobulin). Statistical evaluation by planned contrasts showed that levels of host-response indicators for group I were significantly lower (except for alpha 1-antitrypsin) than for groups II, III, and IV. A trend analysis of groups I-IV showed that mean scores (again, except for alpha 1-antitrypsin) increased significantly in a positive, monotonic manner. Group V showed significantly lower values for elastase than in the other groups. The findings demonstrate that these factors can be detected in whole saliva and suggest that, except for alpha 1-antitrypsin, their levels are directly related to an individual's periodontal status.
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