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. 2015 May 28;5:10468. doi: 10.1038/srep10468

Figure 8. Schematic representation of the signaling pathway mediated by GABAB receptor leading to CREB activation and Fmrp upregulation in CGNs.

Figure 8

Agonist (baclofen) or PAM (CGP7930) activates the GABAB receptor, leading to Gi/o protein/PLCβ/FAK activation, which in turn transactivates the IGF-1R signaling pathway and induces PKC-mediated CREB phosphorylation, thereby upregulating Fmrp expression both at the mRNA and protein levels.