Regulation of STAT3 by μ-opioid receptors in human neuroblastoma SH-SY5Y cells
- 28 June 2004
- journal article
- molecular neuroscience
- Published by Wolters Kluwer Health in NeuroReport
- Vol. 15 (9) , 1431-1435
- https://doi.org/10.1097/01.wnr.0000130433.90962.6e
Abstract
Heptahelical opioid receptors are implicated in the transcriptional regulation of neuronal development. Here we demonstrated that activation of μ-opioid receptors in human neuroblastoma SH-SY5Y cells led to the activation of signal transducer and activator of transcription 3 (STAT3), a transcription factor central to the regulation of numerous biological processes. The μ-opioid-induced activation of STAT3 is sensitive to receptor was further shown to pertussis toxin treatment and required JAK and Src tyrosine kinases, but not phosphatidylinositol 3-kinase. This μ-opioid-induced response was mediated via the extracellular signal-regulated protein kinase in a Raf-1-independent manner. The present study provides a foundation to explore the importance of STAT3 signaling in the regulation of neuronal growth and differentiation by the μ-opioid receptor.Keywords
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