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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/19847
Title: The signaling cascades of Ganoderma lucidum extracts in stimulating non-amyloidogenic protein secretion in human neuroblastoma SH-SY5Y cell lines
Authors: Sirinthorn Pinweha
Payong Wanikiat
Yupin Sanvarinda
Porntip Supavilai
Mahidol University
Keywords: Neuroscience
Issue Date: 19-Dec-2008
Citation: Neuroscience Letters. Vol.448, No.1 (2008), 62-66
Abstract: Ganoderma lucidum (GL) is a medicinal mushroom that possesses various pharmacological properties which are also documented in the ancient reports where GL is praised for its effects on the promotion of health and longevity. In this study, we have investigated the effect of GL mycelia extracts on the non-amyloidogenic protein secretion (sAPPα) and the amyloid precursor protein (APP) expression in SH-SY5Y neuroblastoma cells. In order to characterize the signaling pathway which mediates GL-enhanced sAPPα secretion, we used inhibitors of nerve growth factor (NGF) signaling pathways, phosphatidylinositol 3 kinase (PI3K), phospholipase Cγ1 (PLCγ1), protein kinase C (PKC) and extracellular signal-regulated kinase (ERK1/2), to block GL-mediated sAPPα secretion as well as ERK1/2 and PKC activation by using Western blot analysis. Our results provided for the first time evidence that GL mycelia extracts increased APP expression and promoted sAPPα secretion. In addition, GL extracts activated ERK1/2 and PKC phosphorylation. The complex signaling cascades of PI3K and ERK may be responsible for GL-mediated sAPPα secretion. © 2008 Elsevier Ireland Ltd. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=55549105385&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/19847
ISSN: 03043940
Appears in Collections:Scopus 2006-2010

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