Platelets as inflammatory mediators in a murine model of periodontitis. 2020

Yalin Zhan, and Ruifang Lu, and Huanxin Meng, and Jianxia Hou, and Wenxue Huang, and Xian'e Wang, and Wenjie Hu
First Clinical Division, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, China.

To investigate the role of platelets during the development of ligature-induced experimental periodontitis in mice. Experimental periodontitis was induced by placement of sterilized 5-0 cotton ligatures around the maxillary and mandibular second molars of C57BL/6 wild-type mice. Flow cytometry was used to analyse platelet activation and platelet-leucocyte aggregate formation, and histologic analysis was used to evaluate inflammation and localization of platelets and leucocytes in periodontal tissues during the development of experimental periodontitis and in experimental periodontitis with and without antiplatelet drug treatment. Experimental periodontitis induced platelet activation and platelet-leucocyte interaction. Platelets and leucocytes gradually infiltrated in inflammatory gingival tissues during the development of experimental periodontitis. The inhibition of platelet activation via drug therapy led to significant inhibition of leucocyte migration and marked reduction in periodontal inflammation. This study revealed that platelets are critical for inflammation and tissue injury in periodontitis and serve as mediators of inflammation in periodontal tissue.

UI MeSH Term Description Entries
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D010518 Periodontitis Inflammation and loss of connective tissues supporting or surrounding the teeth. This may involve any part of the PERIODONTIUM. Periodontitis is currently classified by disease progression (CHRONIC PERIODONTITIS; AGGRESSIVE PERIODONTITIS) instead of age of onset. (From 1999 International Workshop for a Classification of Periodontal Diseases and Conditions, American Academy of Periodontology) Pericementitis,Pericementitides,Periodontitides
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D016301 Alveolar Bone Loss Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE. Alveolar Resorption,Bone Loss, Alveolar,Bone Loss, Periodontal,Periodontal Bone Loss,Periodontal Resorption,Alveolar Bone Atrophy,Alveolar Process Atrophy,Alveolar Bone Atrophies,Alveolar Bone Losses,Alveolar Process Atrophies,Alveolar Resorptions,Bone Atrophies, Alveolar,Bone Atrophy, Alveolar,Bone Losses, Periodontal,Periodontal Bone Losses,Periodontal Resorptions,Resorption, Alveolar,Resorption, Periodontal,Resorptions, Alveolar
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D018836 Inflammation Mediators The endogenous compounds that mediate inflammation (AUTACOIDS) and related exogenous compounds including the synthetic prostaglandins (PROSTAGLANDINS, SYNTHETIC). Mediators of Inflammation,Mediators, Inflammation

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