Autoimmune Rat Model
Autoimmune Rat Model - Related Videos
01:55
Assessment of Cornea and Tear Smoothness in an Autoimmune Dry Eye Rat Model
0 Views •
2025
This video demonstrates a method for assessing corneal smoothness and tear film stability in an autoimmune rat model. It highlights the impact of gland dysfunction on tear film stability, crucial for understanding dry eye disease.
01:46
Quantification of Tear Volume in an Autoimmune Dry Eye Rat Model using the Phenol Red Thread
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2025
This video demonstrates the phenol red thread test to determine tear volume in an autoimmune dry eye rat model. The pH-sensitive acidic phenol red thread changes color when it comes in contact with the alkaline tears. The shorter length of color change in the phenol red thread corresponds to reduced tear volume.
02:01
Fluorescein Staining in an Autoimmune Dry Eye Rat Model to Examine Corneal Damage
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2025
This video demonstrates the staining of the damaged cornea using fluorescein dye to evaluate the extent of autoimmune dry eye disease in a rat model. The green fluorescence spots of the stained collagen fibers indicate corneal epithelial damaged cells.
09:42
A Chronic Autoimmune Dry Eye Rat Model with Increase in Effector Memory T Cells in Eyeball Tissue
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Cited by 10 •
2017
This report describes a method to induce chronic experimental autoimmune dry eye in Lewis rats through immunization with an emulsion of rat lacrimal gland extract, ovalbumin, and complete Freund's adjuvant, followed by the injection of lacrimal gland extract and ovalbumin into the forniceal subconjunctiva and lacrimal glands six weeks later.
09:03
The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice
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Cited by 31 •
2012
Infection of mice with an Adenovirus expressing the major human autoantigen cytochrome P450 2D6 (hCYP2D6) recognized by sera of patients suffering from type 2 autoimmune hepatitis results in a persistent form of autoimmune-mediated liver disease characterized by extensive hepatitis, fibrosis and generation of a CYP2D6-specific immune response.
FAQs
Loss of self-tolerance permits autoreactive T cells to recognize self-associated targets and can support production of autoantibodies. These responses promote inflammation in affected tissues, creating measurable links between immune recognition and disease-associated injury. Studying this sequence helps investigators examine how immune dysregulation develops rather than viewing tissue inflammation as an isolated endpoint.
Autoimmune rat models may arise spontaneously or after deliberate exposure to disease-associated antigens. This distinction lets investigators compare naturally developing immune dysregulation with a defined experimental trigger. Induced systems can help connect antigen exposure to autoreactive responses, whereas spontaneous systems provide a setting for observing disease development without that initiating manipulation.
Researchers can evaluate whether inflammation is directed against self or associated with a pathogen. The system supports analysis of autoreactive T cells, autoantibodies, and tissue inflammation as features of immune dysregulation, rather than assuming that every inflammatory response results from infection. This distinction helps clarify mechanisms when autoimmune and pathogen-driven responses produce similar inflammatory findings.
An induction workflow begins by exposing the rat’s immune system to a disease-associated antigen, then examining the resulting immune response and tissue inflammation. The antigen exposure serves as the experimental trigger, while downstream observations can reveal autoreactive T-cell activity, autoantibodies, and disease-relevant inflammatory changes. Specific induction details depend on the model being studied.
These models can support assessment of potential biomarkers and candidate therapies alongside investigation of disease mechanisms. Because the rat has physiological complexity that simplified cell-based systems may not capture, treatment effects can be examined in relation to immune responses and tissue inflammation. This broader readout may help connect immune dysregulation with organism-level consequences.
It provides a controlled context for examining how immune dysregulation develops and for distinguishing autoimmune inflammation from pathogen-driven responses. The same framework can help assess whether observed changes reflect autoreactive T cells, autoantibodies, tissue inflammation, or treatment effects. That comparison is especially relevant when infection-related and autoimmune processes could produce similar inflammatory findings.