Journal
EUROPEAN JOURNAL OF PHARMACOLOGY
Volume 702, Issue 1-3, Pages 85-92Publisher
ELSEVIER
DOI: 10.1016/j.ejphar.2013.01.046
Keywords
Carboxymethylated chitosan; Schwann cell; Proliferation; Nerve growth factor; Wnt/beta-catenin
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Funding
- National Natural Science Foundation of China (NSFC) [30600627, 30801166, 81171760]
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The proliferation of Schwann cells around injured peripheral nerves supports the process of Wallerian degeneration and is critical for axonal regeneration. In this publication, carboxymethylated chitosan (CMCS) was studied to determine its capacity (i) to induce proliferation and secretion of nerve growth factor (NGF) and (ii) to activate Wingless-type(Wnt) protein/beta-catenin signaling pathways in rat Schwann cells. CMCS was found to induce Schwann cell proliferation and NGF synthesis in Schwann cell in a dose and time dependent manner. CMCS was shown to activate factors in the Wnt/beta-catenin signaling pathway, including Dvl-1, beta-catenin, Tcf4, Lef1, C-myc, and Cyclin D1 which are active in the proliferation of Schwann cells and biosynthesis of NGF of Schwann cell. Overall, this study suggests that CMCS can promote the proliferation of cultured Schwann cells and synthesis of NGF by activating the Wnt/beta-catenin signaling pathway. (C) 2013 Elsevier B.V. All rights reserved.
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