Flexible Hollow Human Serum Albumin-Catalase Nanocapsules with High Accumulation and Uptake Ability for Enhanced Photodynamic Therapy.
Yuyuan ShiYing ZhaoWen KangWei LuDong ChenJun TaoJing LiRuifa YuJiajia ZhaoRui TangZhaogang TengLixing WengPublished in: International journal of nanomedicine (2023)
Transmission electron microscopy (TEM) images demonstrate that HSA/CAT nanocapsules are flexible, with a uniform diameter (310 nm) and a well-defined hollow structure. Thanks to their flexibility, HSA/CAT@Ce6 nanocapsules show a higher cellular uptake than rigid nanoparticles. The nanocapsules effectively generate reactive oxygen species (ROS) in 4T1 cells because of their high cellular uptake and catalytic capacity, remarkably enhancing their in vitro PDT efficacy. In addition, the in vivo tumor accumulation of HSA/CAT@Ce6 nanocapsules is significantly larger than that of rigid nanoparticles and Ce6, meaning they are highly effective in tumor cell ablation. This demonstrates that our flexible nanoplatform holds great promise for enhancing PDT of tumor.
Keyphrases
- photodynamic therapy
- reactive oxygen species
- fluorescence imaging
- human serum albumin
- electron microscopy
- dna damage
- cell death
- deep learning
- single cell
- oxidative stress
- stem cells
- optical coherence tomography
- cell therapy
- big data
- mesenchymal stem cells
- metal organic framework
- palliative care
- artificial intelligence
- catheter ablation
- walled carbon nanotubes