Periodontitis exacerbates pulmonary hypertension by promoting IFNγ+ T cell infiltration in mice

IF 10.8 1区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE International Journal of Oral Science Pub Date : 2024-03-28 DOI:10.1038/s41368-024-00291-2
Xiaoqian Meng, Linjuan Du, Shuo Xu, Lujun Zhou, Boyan Chen, Yulin Li, Chumao Chen, Huilin Ye, Jun Zhang, Guocai Tian, Xuebing Bai, Ting Dong, Wenzhen Lin, Mengjun Sun, Kecong Zhou, Yan Liu, Wuchang Zhang, Shengzhong Duan
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Abstract

Uncovering the risk factors of pulmonary hypertension and its mechanisms is crucial for the prevention and treatment of the disease. In the current study, we showed that experimental periodontitis, which was established by ligation of molars followed by orally smearing subgingival plaques from patients with periodontitis, exacerbated hypoxia-induced pulmonary hypertension in mice. Mechanistically, periodontitis dysregulated the pulmonary microbiota by promoting ectopic colonization and enrichment of oral bacteria in the lungs, contributing to pulmonary infiltration of interferon gamma positive (IFNγ+) T cells and aggravating the progression of pulmonary hypertension. In addition, we identified Prevotella zoogleoformans as the critical periodontitis-associated bacterium driving the exacerbation of pulmonary hypertension by periodontitis, and the exacerbation was potently ameliorated by both cervical lymph node excision and IFNγ neutralizing antibodies. Our study suggests a proof of concept that the combined prevention and treatment of periodontitis and pulmonary hypertension are necessary.

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牙周炎通过促进小鼠 IFNγ+ T 细胞浸润加剧肺动脉高压
揭示肺动脉高压的危险因素及其机制对于预防和治疗该疾病至关重要。在本研究中,我们发现实验性牙周炎(通过结扎磨牙,然后口服涂抹牙周炎患者的龈下斑块而建立)会加剧缺氧诱发的小鼠肺动脉高压。从机理上讲,牙周炎通过促进口腔细菌在肺部的异位定植和富集,使肺部微生物群失调,导致干扰素γ阳性(IFNγ+)T细胞的肺部浸润,加重了肺动脉高压的进展。此外,我们还发现了动物口腔普雷沃特氏菌(Prevotella zoogleoformans)是导致牙周炎加重肺动脉高压的关键牙周炎相关细菌,而颈淋巴结切除术和IFNγ中和抗体都能有效缓解肺动脉高压的加重。我们的研究证明,有必要对牙周炎和肺动脉高压进行联合预防和治疗。
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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.
期刊最新文献
Organoids in the oral and maxillofacial region: present and future. Personalized bioceramic grafts for craniomaxillofacial bone regeneration An unexpected role of neurite outgrowth inhibitor A as regulator of tooth enamel formation Periodontitis impacts on thrombotic diseases: from clinical aspect to future therapeutic approaches. CREB3L1 deficiency impairs odontoblastic differentiation and molar dentin deposition partially through the TMEM30B.
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