Oral Immunity
Oral Immunity - Related Videos
05:34
Oral Delivery of Transformed Yeast Cells into the Mouse Intestinal Immune System
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2025
This video showcases the oral administration of transformed yeast cells into a mouse model. The transformed yeast cells are orally administered using a gavage technique, reaching the mouse's stomach. Later, the cells migrate to the small intestine, where microfold cells engulf them and facilitate their transfer to Peyer's patches and gain access to the intestinal immune system.
05:07
Isolation, Characterization and Functional Examination of the Gingival Immune Cell Network
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Cited by 30 •
2016
We have established a technique for the isolation, phenotypic characterization and functional analysis of immune cells from murine gingiva.
12:12
Transformation of Probiotic Yeast and Their Recovery from Gastrointestinal Immune Tissues Following Oral Gavage in Mice
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Cited by 2 •
2016
Presented here is a unified description of techniques that can be used to develop, transform, administer, and test heterologous protein expression of the probiotic yeast Saccharomyces boulardii.
02:57
Oral Intubation of Adult Zebrafish to Administer Experimental Compounds
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2025
This video demonstrates a technique for orally intubating adult zebrafish to administer experimental compounds into the esophagus and monitor their intestinal uptake. This method offers a valuable model for studying the dynamics of oral prophylactics or other compounds within the intestine.
07:59
Translationally-Relevant Tumor Resection Model for Murine Preclinical Models of Oral Squamous Cell Carcinoma
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2026
A unique method to surgically resect oral squamous cell carcinoma tumors established in the oral cavity is shown here.
FAQs
Salivary antimicrobial proteins provide an early chemical defense in the mouth. They help limit microbial growth and support the epithelial barriers that separate underlying tissues from the oral environment. Their activity works alongside immune cells and secretory immunoglobulin A rather than acting independently. This coordinated protection helps maintain oral health while allowing resident microbiota to remain present.
Secretory immunoglobulin A helps oral defenses recognize microbes and limit their attachment to mucosal surfaces. By reducing opportunities for organisms to establish and grow, it supports protection without requiring uncontrolled inflammation. Its activity is one part of a broader system that includes saliva, epithelial tissues, and immune cells, allowing the mouth to regulate microbes while preserving tissue balance.
Effective oral immunity must control potentially harmful microbes without disrupting the resident microbiota or provoking excessive inflammation. When this balance is disturbed, microbial communities and host responses can shift in ways associated with dental caries, periodontal disease, and other inflammatory conditions. Studying these interactions helps clarify how both immune dysregulation and microbial imbalance contribute to oral disease.
Epithelial barriers provide physical separation, saliva supplies antimicrobial proteins, secretory immunoglobulin A helps restrict microbial attachment, and immune cells contribute recognition and regulation. Their combined action creates layered protection at the oral surface. Examining this cooperation is important because failure in one component may alter microbial growth or inflammation, even when other defenses remain active.
Research can connect changes in host defenses, microbial balance, and inflammatory regulation with oral conditions such as dental caries and periodontal disease. These relationships provide a biological basis for investigating diagnostic approaches that reflect disease-associated immune or microbial changes. The broader goal is to improve understanding of oral health status and identify measurable features relevant to prevention and care.
The study of oral immunity supports research into preventive treatments that preserve protective barriers, regulate inflammation, or help maintain a balanced microbiota. It also informs mucosal vaccine strategies designed to engage immune defenses at oral surfaces. These applications arise from understanding how antimicrobial proteins, secretory immunoglobulin A, epithelial tissues, and immune cells collectively influence host-microbe interactions.