Enhancement of Trk Signaling Pathways by the Cholestane Amide Conjugate MCC-257

The cholestane amide conjugate MCC-257 has been shown to augment the effects of nerve growth factor (NGF) on cell survival and on tyrosine phosphorylation of the TrkA receptor in PC12 cells. Recent findings suggest that signaling pathways downstream of Trk are regulated independently. We describe he...

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Published inJournal of Pharmacological Sciences Vol. 108; no. 1; pp. 131 - 134
Main Authors Yamada, Maki K., Konishi, Yoshiyuki, Kakinoki, Bunpei, Ikegami, Koji, Setou, Mitsutoshi
Format Journal Article
LanguageEnglish
Published Japan Elsevier B.V 2008
The Japanese Pharmacological Society
Elsevier
Subjects
Animals
Extracellular Signal-Regulated MAP Kinases - metabolism
lipid
Nerve Growth Factors - pharmacology
neurotrophin
Oncogene Protein v-akt - metabolism
PC12 Cells
Phosphorylation
Rats
Receptor, trkA - physiology
Sialic Acids - pharmacology
Signal Transduction - drug effects
survival
Survival Analysis
lipid
survival
neurotrophin
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Summary:The cholestane amide conjugate MCC-257 has been shown to augment the effects of nerve growth factor (NGF) on cell survival and on tyrosine phosphorylation of the TrkA receptor in PC12 cells. Recent findings suggest that signaling pathways downstream of Trk are regulated independently. We describe here our finding that the NGF-induced phosphorylation of both ERK and Akt are accelerated by MCC-257. Analysis of the common features of the augmented pathways suggests that TrkA is most likely to be the primary target of MCC-257 and that both ERK and Akt may be involved in the cellular effects of this compound.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1347-8613
1347-8648
DOI:10.1254/jphs.08109SC