ArticleInternational journal of nanomedicine2021
Doxorubicin-Bound Hydroxyethyl Starch Conjugate Nanoparticles with pH/Redox Responsive Linkage for Enhancing Antitumor Therapy.
Article in International journal of nanomedicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 18 citations in OpenAlex.
- An all-in-one theranostic platform for enhanced TACE: self-developing embolization with dual-targeted arsenic trioxide delivery.Journal of nanobiotechnology · 2026Article
- A pH/Enzyme-Sensitive Doxorubicin Prodrug Micelle for Safe and Effective Cancer Treatment.Molecules (Basel, Switzerland) · 2026Article
- Doxorubicin Toxicity and Recent Approaches to Alleviating Its Adverse Effects with Focus on Oxidative Stress.Molecules (Basel, Switzerland) · 2025Review
- Predictive and Prognostic Relevance of ABC Transporters for Resistance to Anthracycline Derivatives.Biomolecules · 2025Article
- ProHES: hydroxyethyl starch's transformative role in anticancer drug delivery.Future medicinal chemistry · 2024Article
- Recent Advances in Biomedical Nanotechnology Related to Natural Products.Current pharmaceutical biotechnology · 2024Review
- Advanced Skin Antisepsis: Application of UVA-Cleavable Hydroxyethyl Starch Nanocapsules for Improved Eradication of Hair Follicle-Associated Microorganisms.Pharmaceutics · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundChemotherapeutic drugs used for tumor treatments often show limited efficiency due to their short lifetime, nonspecific delivery, and slow or insufficient intracellular drug release, and also, they can cause severe system or organ toxicity. The development of chemotherapeutic nanomedicines with high efficacy and satisfactory safety still remains a challenge for current tumor chemotherapy.
methodsA novel type of conjugate was synthesized using hydroxyethyl starch (HES) as a carrier while binding doxorubicin (DOX) onto HES backbone through a pH/redox responsive linker containing both disulfide and hydrazone bonds in series. The built conjugates were self-assembled into nanoparticles (NPs) (HES-SS-hyd-DOX NPs) for achieving enhanced antitumor therapy and adequate safety.
resultsHES-SS-hyd-DOX NPs had a certain ability for the tumor-orientated drug accumulation and were capable of releasing DOX itself rather than DOX derivatives. It was found that the pH/redox responsive linkage enabled the NPs to achieve fast and sufficient intracellular drug release. Based on the tumor-bearing mouse model, antitumor results demonstrated that these NPs were able to inhibit the growth of the advanced tumors with significantly enhanced efficacy when compared to free DOX, and to those conjugate NPs containing only a single responsive or unresponsive bond. Besides, HES-SS-hyd-DOX NPs also showed adequate safety to the normal organs of the treated mice.
conclusionThe pH/redox responsive linkage in HES-SS-hyd-DOX was found to play a critical role in mediating the drug accumulation and the fast and sufficient intracellular drug release. The HES-exposed surface of HES-SS-hyd-DOX NPs endowed the NPs with long circulation capability and remarkably reduced the DOX-induced side effects.
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