What question did this study set out to answer?

This research aims to explore the interactions between R-loops, RNA/DNA modifications, and cell death in canine models of retinitis pigmentosa.

February 8, 2026

Crosstalk Between R-Loops, RNA/DNA Modifications, and Cell Death Dynamics in Canine Models of Retinitis Pigmentosa.

Key Points

This research aims to explore the interactions between R-loops, RNA/DNA modifications, and cell death in canine models of retinitis pigmentosa.
Analyzed molecular features in canine models of retinitis pigmentosa, specifically xlpra2 and rcd1.
Investigated R-loop formation and RNA modifications in relation to apoptosis and transcriptional changes.
Evaluated the DNA damage response and its evolution during disease progression.
Detected early R-loop formation linked to apoptosis in retinal cells.
Observed modifications associated with transcriptional changes in R-loop-regulatory genes.
Identified a shift to a R-loop-independent DNA damage response as degeneration progressed.

Abstract

Photoreceptor degeneration in xlpra2 and rcd1 is accompanied by overlapping molecular features, including early R-loop- and m⁶A-associated apoptosis with concurrent transcriptional alterations in R-loop-regulatory genes, followed by a progressively R-loop-independent DNA damage response.

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Cite This Study

Appelbaum et al. (Mon,) studied this question.

synapsesocial.com/papers/698828850fc35cd7a884821d https://doi.org/https://doi.org/10.1167/iovs.67.2.20

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