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Article Publish Status: FREE
Abstract Title:

Biochanin A alleviates gingival inflammation and alveolar bone loss in rats with experimental periodontitis.

Abstract Source:

Exp Ther Med. 2020 Dec ;20(6):251. Epub 2020 Oct 23. PMID: 33178349

Abstract Author(s):

Shengdan Zhang, Yulong Niu, Zhuo Yang, Yuwei Zhang, Qiang Guo, Yi Yang, Xuedong Zhou, Yi Ding, Chengcheng Liu

Article Affiliation:

Shengdan Zhang

Abstract:

Biochanin A (BA) is an organic compound produced byandwith anti-inflammatory and antioxidative effects. The aim of the current study was to evaluate the effects of BA on gingival inflammation and alveolar bone destruction in rats with experimental periodontitis. Experimental rats (n=25) were distributed equally into five groups: i) Healthy control (control) group; ii) experimental periodontitis (ligation) group; and iii) and ligation plus low, medium and high dose of BA (12.5, 25 and 50 mg/kg/day, respectively) groups. A nylon ligature was inserted around rats' maxillary molars for 14 days to trigger the experimental periodontitis. BA was intravenous injected once daily for 4 weeks. After that, interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), reactive oxygen species (ROS) and osteocalcin (OCN) levels were determined in gingival and/or serum samples using ELISA or reverse transcription-quantitative PCR. Alveolar bone volume was assessed via hematoxylin and eosin staining and micro-computed tomography. Osteoclasts were identified by tartrate-resistant acid phosphatase staining, and the level of the nuclear factor erythroid-2 related factor 2 (Nrf2) was also detected by immunohistochemical staining. BA treatment groups showed alleviated alveolar bone resorption compared with the ligationgroup. Moreover, BA treatment significantly inhibited IL-1β, TNF-α, ROS levels, and reduced leukocyte acid phosphatase-positive cells, as well as increased OCN and Nrf2 levels compared with the ligation group. BA had beneficial effects on experimental periodontitis of rats. BA treatment inhibitedinflammation, regulated unbalanced oxidative stress response and ameliorated the alveolar bone loss.

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