期刊
KAOHSIUNG JOURNAL OF MEDICAL SCIENCES
卷 34, 期 4, 页码 186-193出版社
ELSEVIER TAIWAN
DOI: 10.1016/j.kjms.2018.01.014
关键词
Aggregatibacter (Actinobacillus) actinomycetemcomitans; Aggressive periodontitis; Leukotoxin (LtxA); Polymorphonuclear leukocytes (PMNs)
资金
- National Institute of Dental and Craniofacial Research, USA
Aggregatibacter (Actinobacillus) actimycetemcomitans (Aa) is a gram-negative bacterium that colonizes the human oral cavity and is causative agent for localized aggressive (juvenile) periodontitis (AgP). In the middle of 1990s, a specific JP2 clone of belonging to the cluster of serotype b strains of Aa with highly leukotoxicity (leukotoxin, LtxA) able to kill human immune cells was isolated. JP2 clone of Aa was strongly associated with in particularly in rapidly progressing forms of aggressive periodontitis. The JP2 clone of Aa is transmitted through close contacts. Therefore, AgP patients need intense monitoring of their periodontal status as the risk for developing severely progressing periodontitis lesions are relatively high. Furthermore, timely periodontal treatment, including periodontal surgery supplemented by the use of antibiotics, is warranted. More importantly, periodontal attachment loss should be prevented by early detection of the JP2 clone of Aa by microbial diagnosis testing and/or preventive means. Copyright (C) 2018, Kaohsiung Medical University.
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