The anti-inflammatory effect of a magnoliae cortex and Zea mays L. extract mixture in a canine model of ligature-induced periodontitis.

IF 2.3 2区 农林科学 Q1 VETERINARY SCIENCES BMC Veterinary Research Pub Date : 2024-09-28 DOI:10.1186/s12917-024-04243-0
Se Eun Kim, Sun Young Hwang, Yong Ho Park, William C Davis, Kun Taek Park
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Abstract

Background: Periodontitis is common in dogs. It is characterized by destruction of the supporting tissues of the teeth due to the host-immune response triggered by plaque. Magnoliae cortex and Zea mays L. extract showed anti-inflammatory and anti-microbial effects, respectively. This study aimed to evaluate improvement in periodontitis following the administration of Magnoliae cortex and Zea mays L. extract in dogs. Periodontitis was experimentally induced in 10 beagle dogs. Five dogs were administered 40 mg of Magnoliae cortex extract and 20 mg of Zea mays L. extract orally once per day for 2 months (MZ group), whereas the other group received empty gelatin capsules (control group). Periodontal clinical parameters, complete blood count, serum chemistry parameters, and tissue inflammatory cytokines and chemokine expression were assessed before and after combined oral extracts administration.

Results: The complete blood count and serum chemistry results of all dogs were within normal ranges. Gingival inflammation in MZ group was significantly better than that in the control group at 4 and 8 weeks post-medication (PM; p < 0.05). The periodontal pocket depth and clinical attachment loss at 8 weeks PM in the MZ group were significantly lower than the baseline values (p < 0.05). The incidence of bleeding on probing in the MZ group was significantly lower than that in the control group at 4 weeks PM (p < 0.05). Throughout the medication period, the percentages of CD4 + and CD8 + T cells were higher and lower, respectively, in the MZ group. However, these differences were only significant at 8 weeks PM. The expression of the inflammatory cytokines IL-1β, IL-6, IL-17, and TNF-α and the chemokine IL-8 in the inflamed tissues was lower in the MZ group, and the two groups showed a significant difference in TNF-α expression.

Conclusions: Combined administration of Magnoliae cortex and Zea mays L. extract improved the clinical symptoms of periodontal disease in dogs. This beneficial effect may be partly due to the inhibitory effects of these extracts on the inflammatory response.

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木兰科植物皮层和玉米提取物混合物在犬结扎诱发牙周炎模型中的抗炎作用。
背景介绍牙周炎是狗的常见病。牙周炎的特征是牙菌斑引发的宿主免疫反应对牙齿支撑组织的破坏。厚朴皮提取物和玉米提取物分别具有抗炎和抗微生物作用。本研究旨在评估狗服用厚朴皮和玉米提取物后牙周炎的改善情况。实验诱导了 10 只小猎犬患牙周炎。五只狗每天一次口服 40 毫克厚朴皮提取物和 20 毫克玉米提取物,连续服用两个月(MZ 组),另一组则服用空明胶胶囊(对照组)。在联合口服提取物前后,对牙周临床参数、全血细胞计数、血清化学参数以及组织炎性细胞因子和趋化因子的表达进行了评估:结果:所有犬的全血细胞计数和血清化学指标均在正常范围内。在用药后 4 周和 8 周,MZ 组的牙龈炎症明显优于对照组(PM;P 结论:MZ 组的牙龈炎症明显优于对照组:联合使用厚朴提取物和玉米提取物可改善狗牙周病的临床症状。这种有益效果的部分原因可能是这些提取物对炎症反应有抑制作用。
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来源期刊
BMC Veterinary Research
BMC Veterinary Research VETERINARY SCIENCES-
CiteScore
4.80
自引率
3.80%
发文量
420
审稿时长
3-6 weeks
期刊介绍: BMC Veterinary Research is an open access, peer-reviewed journal that considers articles on all aspects of veterinary science and medicine, including the epidemiology, diagnosis, prevention and treatment of medical conditions of domestic, companion, farm and wild animals, as well as the biomedical processes that underlie their health.
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