Conjunctiva Isolation
Conjunctiva Isolation - Related Videos
04:45
Swab-based Conjunctival Commensal Bacteria Isolation: A Technique to Isolate Commensal Bacteria from Conjunctiva of Murine Model
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2025
This video describes a swab-based technique to isolate viable commensal bacteria from the ocular conjunctiva. The technique can be used to profile the commensal bacterial microbiome of the conjunctiva, which plays a defensive role against pathogens.
07:35
A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
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Cited by 5 •
2017
The exposed normal ocular surface consists of cornea and conjunctiva. Epithelial cells, goblet cells and immune cells are present in the conjunctiva. Here, a non-invasive, technique of impression cytology is described using an impression cytology device and flow cytometry to analyze immune cells in the conjunctiva.
06:53
A Custom Multiphoton Microscopy Platform for Live Imaging of Mouse Cornea and Conjunctiva
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Cited by 1 •
2020
Presented here is a multiphoton microscopic platform for live mouse ocular surface imaging. Fluorescent transgenic mouse enables the visualization of cell nuclei, cell membranes, nerve fibers and capillaries within the ocular surface. Non-linear second harmonic generation signals derived from collagenous structures provide label-free imaging for stromal architectures.
03:17
Corneoscleral Button Isolation: A Surgical Procedure to Obtain Corneoscleral Button from Porcine Eye
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2025
In this video, we show a procedure to surgically isolate the corneoscleral button to generate an ex vivo porcine cornea model. The model is helpful for histological, pathological, and pharmacological studies due to its similarity to the human eye.
08:09
Vasodilation of Isolated Vessels and the Isolation of the Extracellular Matrix of Tight-skin Mice
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Cited by 1 •
2017
We describe the isolation of cardiac extracellular matrix from C57Bl/6J control mice, tight-skin mice, and tight-skin mice treated with the IRF5 inhibitory peptide. We also describe the vasodilation studies on the isolated vessels from C57Bl/6J, tight-skin mice and tight-skin mice treated with the IRF5 inhibitory peptide.
FAQs
Separating conjunctival material from adjacent eye tissues allows researchers to examine the ocular surface in a more controlled preparation. The resulting tissue or cells can support analysis of epithelial barrier function, including how the surface participates in detecting biological disturbances. This focused approach helps connect structural observations with immune or infection-related responses observed in the sample.
Isolated material can be examined for both resident immune cells, which are present in the tissue, and recruited immune cells that appear during an inflammatory response. Distinguishing these populations helps investigators evaluate how the ocular surface organizes local immunity. Such analyses are relevant to understanding baseline defenses as well as changes associated with disease or infection.
A controlled conjunctival preparation provides a defined biological context for examining interactions between ocular-surface tissue and infectious agents. Researchers can relate those interactions to epithelial detection and inflammatory responses, rather than observing only a whole-eye outcome. This supports investigation of how the ocular surface recognizes disease-associated challenges and how local immune activity develops in response.
The workflow centers on carefully separating the conjunctiva from adjacent eye tissues, preserving the recovered material under sterile conditions, and preparing it for the intended downstream analysis. Depending on the study, the sample may remain as tissue or undergo further processing. Maintaining sterility throughout is important because the preparation is used for controlled biological investigation.
The preferred format depends on the downstream assay. Tissue sections retain organized material for analyses that require examination of the sample in place, whereas a cell suspension provides dispersed cells for cell-based experiments. Selecting between these formats allows investigators to match sample preparation with the biological question, whether it concerns tissue structure, molecular signals, or cellular behavior.
Conjunctival preparations support microscopy, molecular analysis, and cell-based experiments. Microscopy can examine tissue or cellular features, molecular analysis can investigate biological signals, and cell-based approaches can assess responses using dispersed material. Together, these options help characterize epithelial barriers, immune-cell involvement, inflammation, and interactions with infectious agents in immunology and infection research.