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Heparin-Coated Dendronized Hyperbranched Polymers for Antimalarial Targeted Delivery
María San Anselmo1, Elena Lantero2,3,4, Yunuen Avalos-Padilla2,3,4
1Instituto de Nanociencia y Materiales de Aragón (INMA), Departamento de Química Orgánica-Facultad de Ciencias, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
ACS Applied Polymer Materials
|January 23, 2023
Summary
Researchers developed novel nanocarriers using dendronized hyperbranched polymers (DHPs) coated with heparin. These nanocarriers target malaria-infected red blood cells, offering a new strategy for antimalarial drug delivery and reducing patient side effects.
Area of Science:
- Nanotechnology
- Parasitology
- Medicinal Chemistry
Background:
- Antimalarial drug resistance in Plasmodium necessitates novel therapeutic strategies.
- Targeted drug delivery can enhance efficacy and reduce side effects of antimalarials.
Purpose of the Study:
- To develop and characterize novel nanocarriers for targeted delivery of antimalarial drugs.
- To investigate the antimalarial activity and targeting capabilities of DHP-heparin complexes.
Main Methods:
- Synthesis of dendronized hyperbranched polymers (DHPs) for drug loading.
- Coating DHPs with heparin for specific targeting to Plasmodium-infected erythrocytes.
- Evaluation of antimalarial activity and targeting specificity in vitro.
Main Results:
- DHP-heparin complexes demonstrated intrinsic antimalarial activity with an IC50 of approximately 400 nM.
- The nanocarriers showed specific targeting to Plasmodium falciparum-infected erythrocytes compared to uninfected cells.
- Successful loading capacity for antimalarial compounds was achieved.
Conclusions:
- DHP-heparin nanocarriers offer a promising platform for targeted antimalarial drug delivery.
- This approach may lead to lower therapeutic doses and reduced patient toxicity.
- Further development could enhance the treatment of malaria and combat drug resistance.
