Reconstitution of microtubule into GTP-responsive nanocapsules.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
15 09 2022
15 09 2022
Historique:
received:
08
01
2022
accepted:
05
09
2022
entrez:
15
9
2022
pubmed:
16
9
2022
medline:
20
9
2022
Statut:
epublish
Résumé
Nanocapsules that collapse in response to guanosine triphosphate (GTP) have the potential as drug carriers for efficiently curing diseases caused by cancer and RNA viruses because GTP is present at high levels in such diseased cells and tissues. However, known GTP-responsive carriers also respond to adenosine triphosphate (ATP), which is abundant in normal cells as well. Here, we report the elaborate reconstitution of microtubule into a nanocapsule that selectively responds to GTP. When the tubulin monomer from microtubule is incubated at 37 °C with a mixture of GTP (17 mol%) and nonhydrolysable GTP* (83 mol%), a tubulin nanosheet forms. Upon addition of photoreactive molecular glue to the resulting dispersion, the nanosheet is transformed into a nanocapsule. Cell death results when a doxorubicin-containing nanocapsule, after photochemically crosslinked for properly stabilizing its shell, is taken up into cancer cells that overexpress GTP.
Identifiants
pubmed: 36109556
doi: 10.1038/s41467-022-33156-5
pii: 10.1038/s41467-022-33156-5
pmc: PMC9477877
doi:
Substances chimiques
Nanocapsules
0
Tubulin
0
Doxorubicin
80168379AG
Guanosine Triphosphate
86-01-1
Adenosine Triphosphate
8L70Q75FXE
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5424Informations de copyright
© 2022. The Author(s).
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