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Abstract

Immunology and Infection

在大鼠模型中通过结扎和脂多糖注射的组合 诱导 牙周炎

Published: February 17th, 2023

DOI:

10.3791/64842

1Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands (UIB), 2Balearic Islands Health Research Institute (IdISBa), 3Preclinical Research Department, Labo'Life España, 4Departament de Biologia Fonamental i Ciències de la Salut, UIB, 5ADEMA School of Dentistry, UIB

Abstract

牙周炎 (PD) 是一种非常普遍的慢性牙周免疫炎性疾病,会导致牙龈软组织、牙周韧带、牙骨质和牙槽骨丢失。在这项研究中,描述了一种诱导大鼠PD的简单方法。我们提供了在第一上颌磨牙(M1)周围放置结扎模型的详细说明,以及注射脂多糖(LPS)的组合,这些脂多糖来自M1中腭侧的 牙龈卟啉单胞菌 。牙周炎的诱导维持14天,促进细菌生物膜和炎症的积累。为了验证动物模型,通过牙龈沟液(GCF)中的免疫测定法测定了关键的炎症介质IL-1β,并使用锥形束计算机断层扫描(CBCT)计算了肺泡骨质流失。该技术可有效促进牙龈萎缩,肺泡骨质流失,并在14天后实验程序结束时GCF中IL-1β水平升高。该方法可有效诱导PD,因此能够用于疾病进展机制和未来可能的治疗方法的研究。

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