Abstract
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.
| Original language | English |
|---|---|
| Article number | e202300511 |
| Number of pages | 7 |
| Journal | Angewandte Chemie - International Edition |
| Volume | 62 |
| Issue number | 24 |
| DOIs | |
| Publication status | Published - 12 Jun 2023 |
Bibliographical note
Funding Information:This work was supported by EuroNanoMed3 TEMPEAT and SIRIC Brio Commucan projects. We also thank financial support to MINECO (PID2020-116490GB-I00, Porphyrinoids) and PCIN-2017-042, TEMPEAT), the Comunidad de Madrid (MAD2D-CM) and MICINN through project “Materiales disruptivos bidimensionales (2D)” within the Planes Complementarios (Materiales avanzados). The Nouvelle Aquitaine Region and the FRM are also thanked for financial support. IMDEA Nanociencia acknowledges support from the ‘‘Severo Ochoa’’ Programme for Centres of Excellence in R&D (MINECO, Grant SEV-2016-0686).
Funding Information:
This work was supported by EuroNanoMed3 TEMPEAT and SIRIC Brio Commucan projects. We also thank financial support to MINECO (PID2020‐116490GB‐I00, Porphyrinoids) and PCIN‐2017‐042, TEMPEAT), the Comunidad de Madrid (MAD2D‐CM) and MICINN through project “Materiales disruptivos bidimensionales (2D)” within the Planes Complementarios (Materiales avanzados). The Nouvelle Aquitaine Region and the FRM are also thanked for financial support. IMDEA Nanociencia acknowledges support from the ‘‘Severo Ochoa’’ Programme for Centres of Excellence in R&D (MINECO, Grant SEV‐2016‐0686).
Publisher Copyright:
© 2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
Funding
This work was supported by EuroNanoMed3 TEMPEAT and SIRIC Brio Commucan projects. We also thank financial support to MINECO (PID2020-116490GB-I00, Porphyrinoids) and PCIN-2017-042, TEMPEAT), the Comunidad de Madrid (MAD2D-CM) and MICINN through project “Materiales disruptivos bidimensionales (2D)” within the Planes Complementarios (Materiales avanzados). The Nouvelle Aquitaine Region and the FRM are also thanked for financial support. IMDEA Nanociencia acknowledges support from the ‘‘Severo Ochoa’’ Programme for Centres of Excellence in R&D (MINECO, Grant SEV-2016-0686). This work was supported by EuroNanoMed3 TEMPEAT and SIRIC Brio Commucan projects. We also thank financial support to MINECO (PID2020‐116490GB‐I00, Porphyrinoids) and PCIN‐2017‐042, TEMPEAT), the Comunidad de Madrid (MAD2D‐CM) and MICINN through project “Materiales disruptivos bidimensionales (2D)” within the Planes Complementarios (Materiales avanzados). The Nouvelle Aquitaine Region and the FRM are also thanked for financial support. IMDEA Nanociencia acknowledges support from the ‘‘Severo Ochoa’’ Programme for Centres of Excellence in R&D (MINECO, Grant SEV‐2016‐0686).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Elastin-Like Peptides
- Nanomedicine
- Photodynamic Therapy
- Self-Assembly
- Stimuli-Responsive
- Peptides/chemistry
- Micelles
- Nanoparticles/chemistry
- Elastin/chemistry
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