Metabolic reprogramming of the neovascular niche promotes regenerative angiogenesis in proliferative retinopathy
Healthy blood vessels supply neurons to preserve metabolic function. In blinding proliferative retinopathies (PRs), pathological neovascular tufts often emerge in lieu of needed physiological revascularization. Here we show that metabolic shifts in the neovascular niche define angiogenic fate. Fatty...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
25 June 2025
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| In: |
Nature Communications
Year: 2025, Jahrgang: 16, Pages: 1-15 |
| ISSN: | 2041-1723 |
| DOI: | 10.1038/s41467-025-60061-4 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s41467-025-60061-4 Verlag, kostenfrei, Volltext: https://www.nature.com/articles/s41467-025-60061-4 
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| Verfasserangaben: | Gael Cagnone, Sheetal Pundir, Charlotte Betus, Tapan Agnihotri, Anli Ren, Jin Sung -Kim, Noémie-Rose Harvey, Emilie Heckel, Mei Xi Chen, Anu Situ, Perrine Gaub, Nicholas Kim, Ashim Das, Severine Leclerc, Florian Wünnemann, Louis Berillon, Gregor Andelfinger, Sergio Crespo-Garcia, Alexandre Dubrac, Flavio A. Rezende, Clary B. Clish, Bruno Maranda, José Carlos Rivera, Lois E.H. Smith, Przemyslaw Sapieha & Jean-Sébastien Joyal |
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| 245 | 1 | 0 | |a Metabolic reprogramming of the neovascular niche promotes regenerative angiogenesis in proliferative retinopathy |c Gael Cagnone, Sheetal Pundir, Charlotte Betus, Tapan Agnihotri, Anli Ren, Jin Sung -Kim, Noémie-Rose Harvey, Emilie Heckel, Mei Xi Chen, Anu Situ, Perrine Gaub, Nicholas Kim, Ashim Das, Severine Leclerc, Florian Wünnemann, Louis Berillon, Gregor Andelfinger, Sergio Crespo-Garcia, Alexandre Dubrac, Flavio A. Rezende, Clary B. Clish, Bruno Maranda, José Carlos Rivera, Lois E.H. Smith, Przemyslaw Sapieha & Jean-Sébastien Joyal |
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| 520 | |a Healthy blood vessels supply neurons to preserve metabolic function. In blinding proliferative retinopathies (PRs), pathological neovascular tufts often emerge in lieu of needed physiological revascularization. Here we show that metabolic shifts in the neovascular niche define angiogenic fate. Fatty acid oxidation (FAO) metabolites accumulated in human and murine retinopathy samples. Neovascular tufts with a distinct single-cell transcriptional signature highly expressed FAO enzymes. The deletion of Sirt3, an FAO regulator, shifted the neovascular niche metabolism from FAO to glycolysis and suppressed tuft formation. This metabolic transition increased Vegf expression in astrocytes and reprogrammed pathological neovessels to a physiological phenotype, hastening vascular regeneration of the ischemic retina and improving vision. Hence, strategies to change the metabolic environment of vessels could promote a regenerative phenotype in vascular diseases. | ||
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