揭开口腔与肠道的联系:慢性根尖牙周炎通过肠道微生物群失调和代谢物改变加速高脂饮食载脂蛋白E-/-小鼠的动脉粥样硬化

IF 10.8 1区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Guowu Gan, Shihan Lin, Yufang Luo, Yu Zeng, Beibei Lu, Ren Zhang, Shuai Chen, Huaxiang Lei, Zhiyu Cai, Xiaojing Huang
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引用次数: 0

摘要

本研究旨在探讨慢性根尖周炎(CAP)对以高脂饮食(HFD)喂养的载脂蛋白E-/-小鼠动脉粥样硬化的影响。这项调查的重点是肠道微生物群、代谢物和肠道屏障功能,以揭示口腔健康与心血管疾病(CVD)之间的潜在联系。在这项研究中,通过油红 O 染色观察到的主动脉壁斑块大小和体积的增加证明了 CAP 会加剧高密度脂蛋白饮食载脂蛋白 E-/- 小鼠的动脉粥样硬化。16S rRNA 测序显示肠道微生物群发生了显著变化,有害细菌种类增多,而有益细菌种类减少。代谢组学分析表明,脂质代谢和初级胆汁酸合成紊乱,导致牛磺鹅去氧胆酸(TCDCA)、牛磺酸(TCA)和牛磺酸去氧胆酸(TDCA)水平升高。这些代谢变化可能会导致动脉粥样硬化的发生。此外,还观察到肠道屏障功能受损,表现为粘蛋白表达减少和紧密连接蛋白紊乱。观察到的肠道渗透性增加与动脉粥样硬化病变的严重程度呈正相关,这突出了肠道屏障在心血管健康中的重要性。总之,这项研究强调了口腔健康、肠道微生物群组成、代谢物谱和心血管疾病发病率之间错综复杂的相互作用。这些发现强调了保持良好的口腔卫生作为潜在的心血管问题预防措施的重要性,以及进一步研究口腔健康、肠道微生物群和代谢途径在心血管疾病发展中的复杂联系机制的必要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Unveiling the oral-gut connection: chronic apical periodontitis accelerates atherosclerosis via gut microbiota dysbiosis and altered metabolites in apoE−/− Mice on a high-fat diet

Unveiling the oral-gut connection: chronic apical periodontitis accelerates atherosclerosis via gut microbiota dysbiosis and altered metabolites in apoE−/− Mice on a high-fat diet

The aim of this study was to explore the impact of chronic apical periodontitis (CAP) on atherosclerosis in apoE−/− mice fed high-fat diet (HFD). This investigation focused on the gut microbiota, metabolites, and intestinal barrier function to uncover potential links between oral health and cardiovascular disease (CVD). In this study, CAP was shown to exacerbate atherosclerosis in HFD-fed apoE−/− mice, as evidenced by the increase in plaque size and volume in the aortic walls observed via Oil Red O staining. 16S rRNA sequencing revealed significant alterations in the gut microbiota, with harmful bacterial species thriving while beneficial species declining. Metabolomic profiling indicated disruptions in lipid metabolism and primary bile acid synthesis, leading to elevated levels of taurochenodeoxycholic acid (TCDCA), taurocholic acid (TCA), and tauroursodeoxycholic acid (TDCA). These metabolic shifts may contribute to atherosclerosis development. Furthermore, impaired intestinal barrier function, characterized by reduced mucin expression and disrupted tight junction proteins, was observed. The increased intestinal permeability observed was positively correlated with the severity of atherosclerotic lesions, highlighting the importance of the intestinal barrier in cardiovascular health. In conclusion, this research underscores the intricate interplay among oral health, gut microbiota composition, metabolite profiles, and CVD incidence. These findings emphasize the importance of maintaining good oral hygiene as a potential preventive measure against cardiovascular issues, as well as the need for further investigations into the intricate mechanisms linking oral health, gut microbiota, and metabolic pathways in CVD development.

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来源期刊
International Journal of Oral Science
International Journal of Oral Science DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
31.80
自引率
1.30%
发文量
53
审稿时长
>12 weeks
期刊介绍: The International Journal of Oral Science covers various aspects of oral science and interdisciplinary fields, encompassing basic, applied, and clinical research. Topics include, but are not limited to: Oral microbiology Oral and maxillofacial oncology Cariology Oral inflammation and infection Dental stem cells and regenerative medicine Craniofacial surgery Dental material Oral biomechanics Oral, dental, and maxillofacial genetic and developmental diseases Craniofacial bone research Craniofacial-related biomaterials Temporomandibular joint disorder and osteoarthritis The journal publishes peer-reviewed Articles presenting new research results and Review Articles offering concise summaries of specific areas in oral science.
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