Murine Periodontitis Model
Murine Periodontitis Model - Related Videos
07:14
Murine Model of Advanced Periodontitis Induced by Nylon Ligature in the Second Upper Molar
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2025
This study describes a modified 6-0 nylon ligation method for inducing periodontitis in mice, which is highly reproducible and represents an alternative for researchers to study periodontal disease from its development to its pathological consequences.
07:15
Robust Ligature-Induced Model of Murine Periodontitis for the Evaluation of Oral Neutrophils
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Cited by 4 •
2020
This article presents a protocol for establishing a ligature-induced model of murine periodontitis involving multiple maxillary molars, resulting in larger areas of the involved gingival tissue and bone for subsequent analysis as well as reduced animal usage. A technique to assess oral neutrophils in a manner analogous to human subjects is also described.
04:35
Murine Ileal Resection Model: Studying Ileectomy-Induced Bile Metabolism in Murine Model
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2023
This video describes the detailed protocol for intestinal resection in a murine model. This technique provides insights into ileectomy-induced bile malabsorption, overaccumulation, and toxicity in the mouse intestine.
03:47
A Murine Model of Carotid Aneurysm Formation
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2025
The present protocol describes a standardized surgical method for the induction of carotid aneurysms in a murine model through a single surgical operation.
09:07
Murine Model of Epicutaneously-Induced Immunomodulation
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2025
The study demonstrates the role of the skin in modulating immune responses in mice through epicutaneous (EC) immunization. EC immunization with a protein antigen can suppress immune responses in contact hypersensitivity or reverse skin-induced suppression when combined with pathogen-associated molecular patterns. EC immunization shows promise as an effective, needle-free approach to immunotherapy.
FAQs
Both induction routes create a local periodontal challenge that favors microbial accumulation around the tooth or introduces periodontitis-associated bacteria directly. This stimulus activates innate immune responses first and can promote adaptive immune activity in periodontal tissues. The resulting inflammatory environment provides a controlled setting for examining how host defenses respond to persistent microbial signals and contribute to periodontal tissue injury.
Innate and adaptive responses represent complementary stages of periodontal inflammation. Innate activation detects and responds to the microbial challenge, whereas adaptive activity reflects a more developed immune reaction within affected tissues. Studying both components helps investigators connect host recognition of microbes with sustained inflammation, tissue destruction, and the molecular pathways that may become therapeutic targets.
Inflammatory activity in periodontal tissues is linked to mechanisms of bone resorption, the process by which existing bone is broken down. In the model, researchers can relate immune activation and local tissue inflammation to measurable loss of alveolar bone. This connection allows studies to examine how host responses extend beyond soft-tissue inflammation and produce a structural disease outcome.
Ligature placement promotes local microbial accumulation at a molar, whereas oral inoculation introduces periodontitis-associated bacteria as the initiating challenge. Both approaches can activate periodontal inflammation, but they emphasize different experimental routes for generating the host–microbe interaction. Selecting between them allows investigators to align disease induction with the specific inflammatory or microbial question under study.
A study generally begins by selecting an induction strategy, either placing a ligature around a molar or administering periodontitis-associated bacteria orally. The resulting periodontal challenge is then examined for immune activation, inflammation, tissue changes, and alveolar bone loss. Researchers can combine these observations with molecular and histological analyses to connect disease mechanisms with measurable experimental outcomes.
Relevant outcomes include gingival inflammation, immune activation in periodontal tissues, alveolar bone loss, molecular changes, and histological findings. Considering these measures together helps distinguish local inflammatory activity from structural tissue destruction. It also enables researchers to link host–microbe interactions and inflammatory pathways with disease severity and to evaluate whether an intervention changes biological or tissue-level outcomes.
The system supports evaluation of antimicrobial, immunomodulatory, and bone-protective therapies. Antimicrobial approaches address the microbial challenge, immunomodulatory strategies target damaging host inflammation, and bone-protective interventions focus on resorption-related tissue loss. Because the model connects immune mechanisms with clinical and histological outcomes, it helps investigators assess whether treatment effects extend from molecular pathways to periodontal tissue preservation.