ArticleAging cell2026
MSC-Derived Exosomal lnc-AGT-3: A Novel Anti-Angiogenic Target in Age-Related Macular Degeneration Through p53 Signaling Pathway.
Article in Aging cell, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
10 authors.
Funding
Abstract
Neovascular age-related macular degeneration (nAMD) is a major cause of irreversible vision impairment in elderly populations, characterized by pathological angiogenesis beneath the macula. Although anti-VEGF therapies have demonstrated clinical effectiveness, significant challenges including drug resistance and the need for frequent intravitreal injections persist. As natural nanovesicles, exosomes derived from mesenchymal stem cell (MSC) can mediate intercellular communication, making them an attractive alternative for modulating cellular processes. This study explored the anti-angiogenic effects of MSC-derived exosomes in nAMD, with particular emphasis on the role of a specific exosomal lncRNA lnc-AGT-3. Our results showed that lnc-AGT-3 expression was reduced in both nAMD patients and choroidal neovascularization (CNV) models, and its overexpression effectively inhibited pathological angiogenesis in vitro and in vivo. Mechanistically, lnc-AGT-3 enhanced the p53 signaling pathway by blocking the ubiquitination and degradation of p53 and ultimately inhibited neovascularization, a process potentially linked to its direct interaction with heterogeneous nuclear ribonucleoprotein K (hnRNP K). Our findings position MSC-derived exosomes enriched with lnc-AGT-3 as an innovative therapeutic paradigm for nAMD, acting through p53 pathway modulation to potentially overcome current treatment limitations.
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