Abstract Title:

Ameliorative effect of hesperidin on Ligation-induced periodontitis in rats.

Abstract Source:

J Periodontol. 2018 Sep 7. Epub 2018 Sep 7. PMID: 30192986

Abstract Author(s):

Po-Jan Kuo, Earl Fu, Chi-Yu Lin, Cheng-Te Ku, Cheng-Yang Chiang, Martin Mj Fu, Min-Wen Fu, Hsiao-Pei Tu, Hsien-Chung Chiu

Article Affiliation:

Po-Jan Kuo


BACKGROUND: This study evaluated the ameliorative effect of hesperidin (HES), an anti-inflammatory flavanone, in rats with ligation (Lig)-induced periodontitis.

METHODS: A total of 48 rats were randomly divided into non-ligation group (NL), Lig group, and two ligation-plus-HES groups (L+H). HES was administered immediately after ligature placement at a dose of 75 or 150 mg/kg by intragastric feeding. Destruction of the ligated maxillary second and mandibular first molars were evaluated by dental radiography, micro-computed tomography (micro-CT), and histometry performed after sacrificing the rats on the 7day. The expression levels of interleukin (IL)-1β, IL-6, and inducible nitric oxide synthase (iNOS) messenger (m) RNAs in the gingiva were determined by reverse-transcription polymerase chain reaction. The expression of iNOS was examined by immunohistochemistry.

RESULTS: The dental radiography and micro-CT findings revealed significantly increased alveolar bone loss in the Lig group, which was significantly prevented by HES. The histometry results revealed less gingival inflammation and connective tissue loss in the L+H groups compared with that in the Lig group. The mRNA expression levels of IL-6, IL-1β, and iNOS were significantly increased in the Lig group but were reduced in the L+H groups. The immunostaining results showed that the ligation-induced iNOS expression was also decreased by HES.

CONCLUSION: Oral administration of HES promotes an ameliorative effect against the ligation-induced alveolar bone loss and effectively inhibits the production of pro-inflammatory mediators in rats with experimentally induced periodontitis. Therefore, HES may be a good candidate for modulating oral inflammatory diseases. This article is protected by copyright. All rights reserved.

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