Fibronectin modified expression of Sonic hedgehog in ATRA-mediated neuronal differentiation
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- ARAHARA Kazuhiko
- Department of Tissue Physiology, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183–8509, Japan
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- MATSUMOTO Takashi
- R&D Center, Nippon Meat Packers, Inc., Tsukuba, Ibaraki, 300-2646, Japan
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- MORIMATSU Fumiki
- R&D Center, Nippon Meat Packers, Inc., Tsukuba, Ibaraki, 300-2646, Japan
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- ARAI Katsuhiko
- Department of Tissue Physiology, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183–8509, Japan
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抄録
In this study, the effect of fibronectin on the neurite outgrowth from embryoid bodies (EBs) in neurodifferentiated embryonal carcinoma P19 cells was examined. The neurite outgrowth on fibronectin was maintained for a longer time in comparison with those on collagen or laminin. Quantitative RT-PCR revealed that mRNA level corresponding to sonic hedgehog (Shh) in neurodifferentiated P19 cells was upregulated on fibronectin, whereas collagen or laminin did not affect. Further knockdown of integrin αv subunit in P19 cells demonstrated that expression of Shh was mediated through interaction between fibronectin and integrin. Additionally, exogenous Shh agonist accelerated neurite outgrowth from embryonic stem cell-derived EBs without large change of neuronal phenotype expression. Taken together, fibronectin could maintain neurite outgrowth via increased Shh expression.
収録刊行物
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- Ｔｈｅ Ｊｏｕｒｎａｌ ｏｆ Ｖｅｔｅｒｉｎａｒｙ Ｍｅｄｉｃａｌ Ｓｃｉｅｎｃｅ
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Ｔｈｅ Ｊｏｕｒｎａｌ ｏｆ Ｖｅｔｅｒｉｎａｒｙ Ｍｅｄｉｃａｌ Ｓｃｉｅｎｃｅ 77 (11), 1503-1506, 2015
公益社団法人 日本獣医学会