Evidence mapPaperPMID 42353620Full record

ReviewCurrent issues in molecular biology2026

Photoreceptor Vulnerability to Ferroptosis: Membrane Phospholipid Peroxidation, Mitochondrial Homeostasis, and RPE-Photoreceptor Coupling.

Yue Sun, Zhaorui Xu, Yanxia Wu, Mingxu Zhang, Xuejing Lu

Abstract readReview
In one paragraph

Review in Current issues in molecular biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Yue SunEye School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.ORCID 0000-0002-3713-0373
Zhaorui XuEye School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
Yanxia WuEye School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
Mingxu ZhangEye School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
Xuejing LuEye School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.ORCID 0000-0001-5324-4736

Funding

National Natural Science Foundation of China 82174444
6 · The paper itself

Abstract

Photoreceptor (PR) degeneration is a shared pathological feature of multiple blinding retinal diseases. This narrative review examines the mechanisms underlying PR vulnerability to ferroptosis-associated lipid-peroxidation injury, with emphasis on three interconnected features: the marked enrichment of docosahexaenoic acid (DHA) and other polyunsaturated fatty acids (PUFAs) in PR outer-segment disc membranes; the chronically high metabolic demand of PRs and the specialized spatial organization of their mitochondria; and retinal pigment epithelium (RPE)-PR metabolic coupling, including outer-segment renewal and phagocytic turnover, glucose transport and lactate shuttling, and visual-cycle-related all-trans-retinal (atRAL) clearance and bisretinoid accumulation. We also summarize antioxidant defense systems centered on the cystine/glutamate antiporter (xCT)-glutathione (GSH)-glutathione peroxidase 4 (GPX4) axis and mitochondrial GPX4 (mtGPX4), which restricts iron-dependent lipid peroxidation in PRs. We propose that highly oxidizable membrane phospholipid substrates, mitochondrial homeostatic imbalance, and impaired RPE-PR metabolic coupling may collectively shape PR susceptibility to ferroptosis-associated injury. From a therapeutic perspective, this framework supports multitarget strategies designed to interrupt lipid-peroxidation propagation, stabilize mitochondrial redox homeostasis and quality-control mechanisms, and restore RPE-PR metabolic support and local iron-buffering capacity.

Indexed as

ferroptosislipid peroxidationmitochondrial homeostasisphotoreceptorspolyunsaturated fatty acidsretinal pigment epitheliumRPE–PR coupling

Identifiers

PMID42353620
PMCPMC13297936

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.