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Targeted photodynamic killing of breast cancer cells employing heptamannosylated β-cyclodextrin-mediated nanoparticle formation of an adamantane-functionalized BODIPY photosensitizer

MPS-Authors

Zhang,  Quan
Peter H. Seeberger - Nanoparticles and Colloidal Polymers, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Ye,  Zhou
Peter H. Seeberger - Nanoparticles and Colloidal Polymers, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Seeberger,  Peter H.
Peter H. Seeberger - Vaccine Development, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Zhang, Q., Cai, Y., Wang, X.-J., Xu, J.-L., Ye, Z., Wang, S., et al. (2016). Targeted photodynamic killing of breast cancer cells employing heptamannosylated β-cyclodextrin-mediated nanoparticle formation of an adamantane-functionalized BODIPY photosensitizer. ACS Applied Materials and Interfaces, 8(49), 33405-33411. doi:10.1021/acsami.6b13612.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-0F4A-3
Abstract
The targeted delivery of a photosensitizer (PS) into specific cancer cells is an effective way to enhance the efficacy and minimize the side effects of photodynamic therapy. Herein, heptamannosylated β-cyclodextrin (β-CD) was used to mediate the formation of an adamantane (Ad)-functionalized BODIPY PS nanoparticle via strong β-CD/Ad complexation. The mannose-functionalized PS nanoparticles are selectively internalized by mannose-receptor-rich MDA-MB-231 breast cancer cells via receptor-mediated endocytosis, facilitating singlet oxygen generation to trigger apoptosis in cancer cells upon red light irradiation. These nanoparticles exhibit excellent targeted delivery of the PS, leading to cancer cell death after irradiation both in vitro and in vivo.