Mouse Models of Limbal Stem Cell Deficiency in the MICRON Literature

About the MICRON Research Literature

These research pages organize published studies using MICRON imaging systems by animal species and the disease or condition investigated.

All publication counts and figures reflect the complete indexed research collection.

Explore related studies through the MICRON Research Hubs or search the complete publication collection in the reSEARCH portal.

Understanding Limbal Stem Cell Deficiency

Limbal stem cell deficiency is failure of the epithelial stem cell compartment at the corneal limbus, which in health renews the corneal epithelium and holds conjunctival epithelium back from the corneal surface. In people it follows:

• Acquired destruction of that compartment, after chemical or thermal injury, chronic ocular surface inflammation or immune-mediated disease
• Inherited disorders of the limbal niche, among them the niche defect of aniridia, in which PAX6 haploinsufficiency impairs limbal epithelial homeostasis and the ability to maintain a normal corneal epithelium, producing progressive aniridia-associated keratopathy

Because what fails is a source of renewal rather than a single lesion, the surface changes that follow it, impaired re-epithelialization, loss of transparency and vessel ingrowth, also follow corneal insults that leave the limbal compartment intact. How a cornea looks does not by itself place the fault at the limbus. Because these surface changes are not specific to LSCD, clinical assessment is often supported by tests that demonstrate conjunctivalization or altered epithelial phenotype, including impression cytology and in vivo confocal microscopy.

Limbal Stem Cell Deficiency in Experimental Research

An animal model supplies a limbal compartment that can be removed or disrupted deliberately and at a known time, on a surface that can be examined repeatedly in the living eye, and a host in which cell, tissue and cell-derived therapies intended to restore a corneal epithelium can be tested.

Where the deficiency is instead built into the animal, by altering in the germ line a gene the limbal niche depends on, the model has a different shape: the compartment is impaired from development, so the experiment opens without a delivered insult and without a dated onset, and what is followed is a niche failing to establish or to maintain itself while the surface it should renew deteriorates over the animal's life.

The palisades of Vogt, the ridged limbal architecture used clinically to identify the human niche, are absent in the mouse. Partial or sectoral LSCD can be produced experimentally, but the years-long human course and a patient acuity endpoint are not reproduced directly in a short experiment.

Mouse Models of Limbal Stem Cell Deficiency

The mouse carries most of this work.

Transgenic and knockout lines allow a pathway to be removed or overexpressed, and cost, availability, short generation time and a large body of background data reinforce the choice.

A genetic manipulation constrains rather than isolates a mechanism: developmental compensation and pleiotropy remain possible.

Published MICRON Research: Limbal Stem Cell Deficiency in Mice

This page lists 7 papers from the MICRON literature, published 2022 to 2026, that study limbal stem cell deficiency in mice.

Of these publications:

• 7 studies used mice as the primary limbal stem cell deficiency disease model.

Scope of the literature collection: Publication counts reflect studies identified and indexed in the MICRON research corpus. This collection is not intended to represent an exhaustive review of all published limbal stem cell deficiency research.

Which imaging and experimental techniques are used in these studies?

Technique counts are paper-level co-occurrences and do not necessarily indicate that a technique was applied to the focal species or focal disease model.

Capabilities and Limitations of Imaging Techniques

A summary of what each imaging technique listed above can measure, the information it provides, and its limitations in research applications.

Topical Ophthalmic Drug Delivery

A compound applied as drops to the ocular surface. It is non-invasive and repeatable, so it supports frequent dosing without a procedure for each dose. What the route has to establish depends on the target: for an ocular-surface target, residence time and penetration into the surface tissue are the main barriers; for an intraocular anterior-segment target, the compound must cross ocular-surface and corneal or conjunctival barriers and reach an intraocular concentration sufficient for the experiment; for a posterior-segment target, additional ocular barriers separate the surface from the target and posterior-segment exposure is harder to establish.

Optical Coherence Tomography

Optical coherence tomography provides high-resolution, cross-sectional images of ocular tissues in the living eye, allowing researchers to visualize structures at different depths. OCT is particularly useful for measuring tissue thickness, identifying structural abnormalities, and assessing the location and extent of tissue changes.

As a non-invasive imaging technique, OCT enables repeated measurements in the same eye over time, supporting longitudinal studies of disease progression and treatment response. Although OCT provides detailed structural information, it does not directly measure cellular activity or visual function. Tissue that appears structurally normal may still have functional abnormalities, making OCT a valuable companion to functional assessments such as electroretinography (ERG).

Intravitreal Injection / Delivery

Injection into the vitreous places a substance directly into the vitreous at a known administered dose and chosen time, reducing but not eliminating systemic exposure. The injectate may be a therapeutic compound, cell preparation or viral vector, or an agent used to create the model, such as a toxin, vasoactive or excitotoxic compound, or infectious inoculum. The route bypasses surface-delivery barriers and provides direct access to the vitreous and posterior segment, but the concentration reached in a particular ocular tissue depends on distribution and clearance and is not fixed by the injected dose alone. It is invasive and discrete: each repeat dose or challenge requires another injection, and vehicle- or sham-injected controls can help separate effects of the injectate from effects of the procedure.

Which MICRON systems and add-ons appear?

Which strains and genetic lines are used?

What other conditions are recorded on the same papers?

Which MICRON configurations appear in this work?

Configurations recorded in these papers, and the techniques recorded alongside them.

The papers

Browse all hubs at MICRON Research Hubs. The full corpus is searchable in the reSEARCH portal.