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A photo-responsive nanovesicle is fabricated by polyion complex (PIC) formation between poly(ethylene glycol) (PEG)-block-polypeptides and photo-reactive oligodeoxynucleotides (PROs)/anti-sense oligonucleotides (ASOs). The ultraviolet (UV) light triggers reversible crosslinking between PROs and ASOs in the vesicular membrane, providing the nanovesicle with switchable stability under physiological conditions. The resulting nanovesicle allows efficient cellular internalization, leading to significant UV-triggered gene knockdown in cultured cells.


Beob Soo Kim, Mitsuru Naito, Rimpei Kamegawa, Hyun Jin Kim, Ryo Iizuka, Takashi Funatsu, Shingo Ueno, Takanori Ichiki, Akihiro Kishimura, Kanjiro Miyata. Photo-reactive oligodeoxynucleotide-embedded nanovesicles (PROsomes) with switchable stability for efficient cellular uptake and gene knockdown. Chemical communications (Cambridge, England). 2020 Aug 19;56(66):9477-9480

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PMID: 32677638

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