The effect of saliva or serum on bacterial and Candida albicans colonization on type I collagen

H. Nikawa, H. Egusa, H. Yamashiro, M. Nishimura, S. Makihira, C. Jin, H. Fukushima, Taizo Hamada

研究成果: Article

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Colonization of Candida albicans on oral surfaces can serve as a reservoir for disseminated infections, such as aspiration pneumonia and gastrointestinal infection, particularly in the immuno-compromised host. Therefore, the aim of this study was to investigate the effects of salivary and serum pellicles on C. albicans, Streptococcus mutans, S. sanguis, Lactobacillus and Actinomyces colonization on type I collagen, a major organic component of periodontal ligaments. The colonization potential of two isolates each of C. albicans, S. mutans and S. sanguis, and a single isolate each of Lactobacillus and Actinomyces to uncoated (control), saliva-coated or serum-coated type I collagen plates (surface area 143 mm2, Cell Disk; Sumitomo, Tokyo, Japan) was examined using a bioluminescent adenosine triphosphate assay based on firefly luciferase-luciferin system. The results revealed that with mutans streptococci, a saliva pellicle was significantly more effective in promoting bacterial colonization compared with the pellicle-free collagen disc, and the serum-coated sample significantly inhibited the colonization of streptococci (ANOVA; P < 0·01). In contrast, in the case of C. albicans, Lactobacillus and Actinomyces isolates, a serum pellicle was significantly more effective in promoting the colonization, followed by saliva pellicle and uncoated specimen (ANOVA; P < 0·01). These results suggested that crevicular fluid rich in seruminous components would promote the colonization of Candida, Lactobacillus and Actinomyces on type I collagen as opposed to streptococci which showed greater avidity to saliva-coated collagen.

元の言語English
ページ(範囲)767-774
ページ数8
ジャーナルJournal of oral rehabilitation
33
発行部数10
DOI
出版物ステータスPublished - 2006 10 1
外部発表Yes

ASJC Scopus subject areas

  • Dentistry(all)

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