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Published on: November 7, 2013
Protein Nanotubes as Advanced Material Platforms and Delivery Systems
Bin Liu1,2, Xing Li1, Ji Peng Zhang1
1Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China.
Protein nanotubes (PNTs) derived from edible sources offer biocompatible and biodegradable nanocarriers for food and pharmaceutical applications. Their unique properties enable efficient drug delivery and large-scale production, paving the way for advanced biomedical uses.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Food Science
- Pharmaceutical Science
Background:
- Protein nanotubes (PNTs) are advanced nanocarriers derived from edible proteins like α-lactalbumin, lysozyme, and ovalbumin.
- PNTs exhibit excellent biocompatibility and biodegradability, making them suitable for various applications.
- Their unique structure offers a large surface area for modifications and a hydrophobic core for encapsulating bioactive substances.
Purpose of the Study:
- To provide a comprehensive review of the current state-of-the-art of protein nanotubes (PNTs).
- To discuss the building materials, physicochemical properties, and self-assembly mechanisms of PNTs.
- To highlight the advantages, limitations, challenges, and prospects of PNTs in biomaterial and pharmaceutical sectors.
Main Methods:
- Literature review of existing research on protein nanotubes (PNTs).
- Analysis of PNTs' properties, including biocompatibility, biodegradability, surface area, and penetration abilities.
- Discussion of self-assembly principles governing PNT formation and control.
Main Results:
- PNTs demonstrate enhanced permeability across biological barriers like intestinal mucus and thrombus clots.
- Simple preparation methods allow for large-scale production of PNTs for biomedical and nanotechnological applications.
- Understanding self-assembly is key to controlling PNT morphology, size, and shape for diverse applications.
Conclusions:
- PNTs are promising nanocarriers with significant potential in the food and pharmaceutical industries.
- Further research is needed to address potential cytotoxicity and establish regulations for in vivo applications.
- PNTs represent advanced platforms for drug delivery systems with broad future prospects.

