Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 40, Pages 26638-26647Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b10377
Keywords
liver tissue engineering coimmobilized IGF-1 plus TNF-alpha; BMSCs; antisenescence; hepatocyte differentiation; molecular mechanism
Funding
- National Natural Science Foundation of China [31170919, 31370967]
- Science and Technology Planning Project of Guangdong Province, China [2015A020212033]
- Guangdong Province Universities and Colleges Pearl River Scholar Fund Scheme, China
- Innovative Entrepreneurial Training for college students of South China Normal University, China [201610574025]
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Aiming at the cells' differentiation phenomenon and senescence problem in liver tissue engineering, this work is designed to synthesize three different chargeable polymers (polypropylene acid (PAAc), polyethylene glycol (PEG), and polypropylene amine (PAAm)) coimmobilized by the insulin-like growth factor 1 (IGF-1) and tumor necrosis factor-alpha (TNF-alpha). We explore the hepatocyte differentiation effect and the antisenecence effect of PSt-PAAtn-IGF-1/TNF-alpha biomaterial which was selected from the three different chargeable polymers in bone marrow mesenchymal stem cells (BMSCs). Our work will establish a model for studying the biochemical molecular regulation mechanism and signal transduction pathway of cell senescence in liver tissue engineering, which provide a molecular basis for developing biomaterials for liver tissue engineering.
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