PMID: 6103573Apr 1, 1980

Neutrophil chemotaxis induced by anaerobic bacteria isolated from necrotic dental pulps

Scandinavian Journal of Dental Research
Göran Sundqvist, E Johansson

Abstract

Anaerobic bacteria belonging to the species Bacteroides melaninogenicus, Bacteroides asaccharolyticus, Fusobacterium nucleatum, Peptostreptococcus anaerobius and Eubacterium alactolyticum, isolated from necrotic dental pulps, were tested for their capacity to induce neutrophil leukocyte chemotaxis. Generation of chemotactic factors in serum by whole bacterial cells and chemotaxis induced by bacterial extracts were studied in vitro by the Boyden technique. Subcutaneously implanted wound chambers in guinea pigs were used for testing leukocyte migration in vivo. All bacterial strains had a similar high capacity to induce neutrophil chemotaxis. The heavy accumulation of polymorhponuclear neutrophil leukocytes associated with clinical and experimental infections by B. melaninogenicus or B. asaccharolyticus cannot be ascribed to any extreme ability of these organisms to generate chemotactic factors.

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Related Concepts

Anaerobiosis
Bacteroides
Prevotella melaninogenica
Cell Motility
Chemotaxis, Leukocyte
Pulp Mummification
Butyribacterium
Genus Fusobacterium
Cavia porcellus
Neutrophil Band Cells

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