Cloricromene, a coumarine derivative, reduced the development of periodontitis in rats

被引:2
|
作者
Muià, C
Mazzon, E
Zito, D
Maiere, D
Britti, D
Crisafulli, C
Oteri, G
Cordasco, G
Cuzzocrea, S
机构
[1] Univ Messina, Inst Pharmacol, Sch Med, Torre Biol Policlin Univ, I-98125 Messina, Italy
[2] Policlin Univ, Dept Clin & Expt Med & Pharmacol, I-98123 Messina, Italy
[3] Univ Teramo, Dept Vet Clin Sci, Teramo, Italy
[4] Univ Messina, Ist Policattedra Odontostomatol, Messina, Italy
关键词
TNF-alpha; alveolar bone loss; reactive oxygen species; periodontal diseases; neutrophil infiltration; nitrotyrosine;
D O I
10.1007/s00210-006-0048-3
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Recent studies have demonstrated that cloricromene, a coumarin derivative, exerts protective effects in models of inflammation and shock. Tumour necrosis factor plays a pivotal role in the induction of genes involved in physiological processes, as well as in the response to inflammation. We investigated the effect of cloricromene in a rat model of periodontitis. Periodontitis was induced in rats by placing a 2/0 braided silk ligature around the lower left first molar. At day 8 the gingivomucosal tissue encircling the mandibular first molar was removed for evaluation of tumour necrosis factor production, neutrophil infiltration, tissue permeability, nitrotyrosine formation, poly (ADP-ribose) polymerase activation, radiography and histology. Ligation significantly induced an increased tumour necrosis factor production, neutrophil infiltration and a positive staining for nitrotyrosine formation and poly (ADP-ribose) polymerase activation. Ligation significantly increased Evans blue extravasation in gingivomucosal tissue and alveolar bone erosion as evaluated by radiography analysis. Intraperitonal injection of cloricromene (10 mg/kg daily for 8 days) significantly decreased all of the parameters of inflammation as described above. This suggests that cloricromene treatment, which reduced tumour necrosis factor production, may be of benefit in the treatment of periodontitis.
引用
收藏
页码:51 / 59
页数:9
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