Integrin β1 Gene Therapy Enhances in Vitro Creation of Tissue-Engineered Cartilage Under Periodic Mechanical Stress
Author(s) -
Wen-Wei Liang,
Chunhui Zhu,
Feng Liu,
Weiding Cui,
Qing Wang,
Zhefeng Chen,
Qijia Zhou,
Shun Xu,
Chenjun Zhai,
Weimin Fan
Publication year - 2015
Publication title -
cellular physiology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.486
H-Index - 87
eISSN - 1421-9778
pISSN - 1015-8987
DOI - 10.1159/000430253
Subject(s) - integrin , chondrocyte , microbiology and biotechnology , cartilage , tissue engineering , transfection , mechanotransduction , matrix (chemical analysis) , chemistry , collagen receptor , biology , cell , biomedical engineering , anatomy , medicine , biochemistry , gene , chromatography
Periodic mechanical stress activates integrin β1-initiated signal pathways to promote chondrocyte proliferation and matrix synthesis. Integrin β1 overexpression has been demonstrated to play important roles in improving the activities and functions of several non-chondrocytic cell types. Therefore, in the current study, we evaluated the effects of integrin β1 up-regulation on periodic mechanical stress-induced chondrocyte proliferation, matrix synthesis and ERK1/2 phosphorylation in chondrocyte monolayer culture, and evaluated the quality of tissue-engineered cartilage constructed in vitro under periodic mechanical stress combined with integrin β1 up-regulation.
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