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Francia, S.; Shmal, D.; Di Marco, S.; Chiaravalli, G.; Maya-Vetencourt, J. F.; Mantero, G.; Michetti, C.; Cupini, S.; Manfredi, G.; DiFrancesco, M. L.; Rocchi, A.; Perotto, S.; Attanasio, M.; Sacco, R.; Bisti, S.; Mete, M.; Pertile, G.; Lanzani, G.; Colombo, E.; Benfenati, F.
Nature communications, 06/2022, Letnik: 13, Številka: 1Journal Article
Abstract Retinal dystrophies such as Retinitis pigmentosa are among the most prevalent causes of inherited legal blindness, for which treatments are in demand. Retinal prostheses have been developed to stimulate the inner retinal network that, initially spared by degeneration, deteriorates in the late stages of the disease. We recently reported that conjugated polymer nanoparticles persistently rescue visual activities after a single subretinal injection in the Royal College of Surgeons rat model of Retinitis pigmentosa . Here we demonstrate that conjugated polymer nanoparticles can reinstate physiological signals at the cortical level and visually driven activities when microinjected in 10-months-old Royal College of Surgeons rats bearing fully light-insensitive retinas. The extent of visual restoration positively correlates with the nanoparticle density and hybrid contacts with second-order retinal neurons. The results establish the functional role of organic photovoltaic nanoparticles in restoring visual activities in fully degenerate retinas with intense inner retina rewiring, a stage of the disease in which patients are subjected to prosthetic interventions.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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