並列タイトル等ロイテリン関連化合物の歯周病原因菌への抗菌および抗バイオフィルム効果
タイトル（掲載誌）Journal of Oral Health and Biosciences
一般注記OBJECTIVE: Lactobacillus reuteri is one of the probiotics that possesses preventive effects on oral infections including dental caries and periodontal disease. Reuterin is a bacteriocin-like compound produced by L. reuteri and plays an important role in the probiotic effects. However, it is difficult to obtain reuterin due to the general lability of its aldehyde moiety. Therefore, fourteen stable reuterin-related compounds (RRCs) were chemically synthesized. Here, we investigated the effects of RRCs on periodontopathic bacteria.MATERIALS AND METHODS: The antibacterial activity of RRCs on pathogenic microorganisms including periodontopathic bacteria was determined. Moreover, the effects of RRCs on biofilm formation by Fusobacterium nucleatum were examined by a crystal violet biofilm formation assay. Cytotoxicity of RRCs was evaluated by a lactate dehydrogenase assay using oral keratinocytes.RESULTS: Among synthesized RRCs, RRC-04, -05, -09, -10, -12, -13, and -14, exhibited antibacterial activities against periodontopathic bacteria. RRCs, except for RRC-06, -07, -08, and -11, significantly suppressed biofilm formation to 60-80 % of the control. Most RRCs, except for RRC-12 and -13, were not cytotoxic to human oral keratinocytes.CONCLUSIONS: The synthesized RRCs can be potent novel oral care products for the prevention of periodontitis without adverse effects.
DOIinfo:doi/10.20738/johb.30.1_8
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