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Jpn J Antibiot. 1980 May;33(5):623-35.

[Studies on the distributions of antibiotics in the oral tissues: Experimental staphylococcal infection in rats, and effect of serratiopeptidase on the distributions of antibiotics (author's transl)].

[Article in Japanese]

Abstract

1) A focal infection was prepared by inoculation of staphylococci into rat gingiva. Then, concentrations in oral tissues (gingiva, tongue and masseter), serum and liver of the infected rats which were given ciclacillin, ampicillin, cephalexin and minocycline in a dose of 100 mg/kg p.o. were investigated and effects of serratiopeptidase (20 mg/kg) on these concentrations were studied. 2) Concentrations of ciclacillin in the oral tissues were approximately 10% of a serum level. A gingival concentration was elevated 8.5-fold by pretreatment with serratiopeptidase. A concentration in infected gingiva was 2.5-fold of that of another side of gingiva. 3) Concentrations of ampicillin in the oral tissues were approximately 15% of a serum level. A gingival concentration was elevated 5.7-fold by pretreatment with serratiopeptidase. A concentration in infected gingiva ws 2.2-fold of that of another side of gingiva. 4) Concentrations of cephalexin in the oral tissues were approximately 3 to 5-fold of a serum level except that in masseter. A gingival concentration was slightly elevated (1.1-fold) by pretreatment with serratiopeptidase. A concentration in infected gingiva was 1.7-fold of that of another side of gingiva. 5) Concentrations of minocycline in the oral tissues were 1.3 to 7.2-fold of a serum level. A gingival concentration was elevated 2.2-fold by pretreatment with serratipeptidase. A concentration in infected gingiva was 3.1-fold of that of another side of gingiva. 6) Gingival concentrations of antibiotics were higher than those of tongue and masseter and serratiopeptidase elevated gingival concentrations.

PMID:
7001087
[Indexed for MEDLINE]

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