Citation: Guo-qiang Chen, Yang Wang. Medical Applications of Biopolyesters Polyhydroxyalkanoates[J]. Chinese Journal of Polymer Science, ;2013, 31(5): 719-736. doi: 10.1007/s10118-013-1280-1 shu

Medical Applications of Biopolyesters Polyhydroxyalkanoates

Received Date: 31 December 2012
Revised Date: 25 January 2013

Fund Project: This work was financially supported by the State Basic Science Foundation 973 project (Nos. 2012CB725201 and 2012CB725200).

Microbial polyhydroxyalkanoates (PHAs) are a family of biopolyesters produced by many wild type and engineered bacteria. PHAs have diverse structures accompanied by flexible thermal and mechanical properties. Combined with their in vitro biodegradation, cell and tissue compatibility, PHAs have been studied for medical applications, especially medical implants applications, including heart valve tissue engineering, vascular tissue engineering, bone tissue engineering, cartilage tissue engineering, nerve conduit tissue engineering as well as esophagus tissue engineering. Most studies have been conducted in the authors lab in the past 20+ years. Recently, mechanism on PHA promoted tissue regeneration was revealed to relate to cell responses to PHA biodegradation products and cell-material interactions mediated by microRNA. Very importantly, PHA implants were found not to cause carcinogenesis during long-term implantation. Thus, PHAs should have a bright future in biomedical areas.
- PHB,
- PHA,
- Polyhydroxyalkanoates,
- Tissue engineering,
- Biomaterials,
- Implants
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