TODENTJ-25-03-2019_TODENTJ-10-360 1553506533 Bentham Open doi@benthamopen.net Bentham Open The Open Dentistry Journal TODENTJ 1874-2106 07 29 2016 10 1 Kazuo Yamakami Hideaki Tsumori Yoshitaka Shimizu Yutaka Sakurai Kohei Nagatoshi Kenji Sonomoto An oral infectious disease, dental caries, is caused by the cariogenic streptococci Streptococcus mutans. The expected preventive efficiency for prophylactics against dental caries is not yet completely observed. Nisin, a bacteriocin, has been demonstrated to be microbicidal against S. mutans, and liposome-encapsulated nisin improves preventive features that may be exploited for human oral health. Here we examined the bactericidal effect of charged lipids on nisin-loaded liposomes against S. mutans and inhibitory efficiency for insoluble glucan synthesis by the streptococci for prevention of dental caries. Cationic liposome, nisin-loaded dipalmitoylphosphatidylcholine/phytosphingosine, exhibited higher bactericidal activities than those of electroneutral liposome and anionic liposome. Bactericidal efficiency of the cationic liposome revealed that the vesicles exhibited sustained inhibition of glucan synthesis and the lowest rate of release of nisin from the vesicles. The optimizing ability of cationic liposome-encapsulated nisin that exploit the sustained preventive features of an anti-streptococcal strategy may improve prevention of dental caries. 07 29 2016 360 366 TODENTJ-10-360 1 10.2174/crossmark_policy opendentistryjournal.com benthamopen.com true Peer Reviewed Single blind Checked with iThenticate 2014-12-31 2016-05-13 2016-06-24 2016-07-29 https://creativecommons.org/licenses/by/4.0/legalcode 10.2174/1874210616021001360 1553506533 https://opendentistryjournal.com/VOLUME/10/PAGE/360/ https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.pdf https://opendentistryjournal.com/contents/volumes/V10/TODENTJ-10-360/TODENTJ-10-360.xml J. 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