Light-Responsive Elastin-Like Peptide-Based Targeted Nanoparticles for Enhanced Spheroid Penetration

Duc H.T. Le, Vusala Ibrahimova, Sebastian A.H. van den Wildenberg, Hanglong Wu, Alba Fonseca, Tomas Torres, Elisabeth Garanger, William P.J. Leenders, Roland Brock, Sébastien Lecommandoux, Jan C.M. van Hest (Corresponding author)

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

8 Citaten (Scopus)
64 Downloads (Pure)

Samenvatting

We describe here a near infrared light-responsive elastin-like peptide (ELP)-based targeted nanoparticle (NP) that can rapidly switch its size from 120 to 25 nm upon photo-irradiation. Interestingly, the targeting function, which is crucial for effective cargo delivery, is preserved after transformation. The NPs are assembled from (targeted) diblock ELP micelles encapsulating photosensitizer TT1-monoblock ELP conjugates. Methionine residues in this monoblock are photo-oxidized by singlet oxygen generated from TT1, turning the ELPs hydrophilic and thus trigger NP dissociation. Phenylalanine residues from the diblocks then interact with TT1 via π-π stacking, inducing the re-formation of smaller NPs. Due to their small size and targeting function, the NPs penetrate deeper in spheroids and kill cancer cells more efficiently compared to the larger ones. This work could contribute to the design of “smart” nanomedicines with deeper penetration capacity for effective anticancer therapies.

Originele taal-2Engels
Artikelnummere202300511
Aantal pagina's7
TijdschriftAngewandte Chemie - International Edition
Volume62
Nummer van het tijdschrift24
DOI's
StatusGepubliceerd - 12 jun. 2023

Bibliografische nota

Publisher Copyright:
© 2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.

Vingerafdruk

Duik in de onderzoeksthema's van 'Light-Responsive Elastin-Like Peptide-Based Targeted Nanoparticles for Enhanced Spheroid Penetration'. Samen vormen ze een unieke vingerafdruk.

Citeer dit