Retinitis Pigmentosa
Retinitis Pigmentosa - Related Videos
02:54
Preparation of Mouse Retinal Cryosections to Assess Retinal Permeability to Adeno-Associated Virus
0 Views •
2026
Source: Vacca, O., et al. Using Adeno-associated Virus as a Tool to Study Retinal Barriers in Disease. J. Vis. Exp. (2015)This video demonstrates the step-by-step procedure for preparing mouse retinal cryosections to visualize adeno-associated virus permeability across disrupted retinal barriers.
09:17
Using Retinal Imaging to Study Dementia
0 Views •
Cited by 19 •
2017
The retina shares prominent similarities with the brain and thus represents a unique window to study vasculature and neuronal structure in the brain non-invasively. This protocol describes a method to study dementia using retinal imaging techniques. This method can potentially aid in diagnosis and risk assessment of dementia.
14:33
Morphometric Analyses of Retinal Sections
0 Views •
Cited by 6 •
2012
This video demonstrates three types of morphometric analyses of the retina, which include measuring the inner nuclear layer thickness, quantifying the number of retinal ganglion cells (RGCs) and measuring the sizes of RGCs. The technique can offer a simple but scientific platform for morphometric analyses.
13:02
An Isolated Retinal Preparation to Record Light Response from Genetically Labeled Retinal Ganglion Cells
0 Views •
Cited by 26 •
2011
This article provides a description of how to dissect and record from the isolated retinal preparation in mouse. In particular, we describe how to record light responses from a fluorescently labeled ganglion cell population and subsequently identify and analyze its morphology.
02:45
Retinal Cup Extraction from Mouse: A Surgical Procedure to Obtain Intact Retinal Cup from Mouse Eye
0 Views •
2025
This video describes a protocol to isolate the retinal cup without the outer covering layers from the eyeball of a mouse. The extracted retinal tissue can help study various metabolic pathways occurring in the retinal cells.
FAQs
Retinal stress associated with photoreceptor injury can activate microglia, the retina’s resident immune cells. Their activation may influence local inflammatory signaling and affect the environment surrounding surviving photoreceptors. Studying this response helps investigators determine whether inflammation contributes to degeneration or represents a reaction to cellular damage, which may guide research into treatments that address both genetic defects and secondary retinal stress.
Complement pathways are part of the immune signaling network being examined in RP. Changes in these pathways may help explain how retinal stress and inflammation influence photoreceptor survival, although their precise contribution remains a research question. Measuring complement-related activity alongside cellular and retinal changes could clarify disease mechanisms and identify possible targets for future therapeutic development.
Disease-causing mutations can disrupt photoreceptor proteins, metabolism, or cellular maintenance, placing stress on these cells through different biological routes. This variation helps explain why researchers investigate RP at the level of specific genes and cellular functions rather than treating every case as identical. Identifying the disrupted process supports more targeted disease characterization and therapy design.
Genetic testing can identify disease-associated mutations and connect a patient’s condition with a disrupted photoreceptor function or maintenance pathway. Retinal imaging provides complementary information about structural changes over time. Together, these approaches support earlier diagnosis, improve understanding of disease progression, and help researchers match experimental treatment strategies to the biological features of a particular case.
Retinal imaging allows investigators to examine changes in the retina as photoreceptor dysfunction progresses. When interpreted alongside genetic findings, images can help relate visible retinal changes to underlying mutations or cellular stress. This repeated structural information is valuable for studying progression and for evaluating whether emerging interventions preserve retinal tissue or slow deterioration.
Patient-derived organoids provide laboratory models built from an individual’s cells, allowing researchers to study retinal development and disease-related cellular behavior in a controlled setting. They can help connect a patient’s genetic alteration with photoreceptor defects and stress responses. This supports mechanism-focused research and may assist development of treatments tailored to particular molecular causes.
Gene-based therapies are being developed as emerging approaches intended to address disease mechanisms linked to specific genetic abnormalities. Genetic testing can help define which alteration a therapy should target, while imaging and patient-derived organoids can provide evidence about retinal structure and cellular response. Together, these tools support the design and assessment of more targeted treatment strategies.