| http://purl.uniprot.org/citations/25661317 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/25661317 | http://www.w3.org/2000/01/rdf-schema#comment | "AimPaeoniflorin from Chinese herb Paeoniae Radix has been shown to ameliorate middle cerebral artery occlusion-induced ischemia in rats. The aim of this study was to investigate the mechanisms underlying the neuroprotective action of PF in cultured rat cortical neurons.MethodsPrimary cultured cortical neurons of rats were subjected to oxygen-glucose deprivation and reoxygenation (OGD/R) insult. Cell survival was determined using MTT assay. HEK293 cells stably transfected with A1R (HEK293/A1R) were used for detailed analysis. Phosphorylation of the signaling proteins was evaluated by Western blot or immunoprecipitation. Receptor interactions were identified using co-immunoprecipitation and immunofluorescence staining.ResultsPaeoniflorin (10 nmol/L to 1 μmol/L) increased the survival of neurons subjected to OGD/R. Furthermore, paeoniflorin increased the phosphorylation of Akt and ERK1/2 in these neurons. These effects were blocked by PI3K inhibitor wortmannin or MEK inhibitor U0126. Paeoniflorin also increased the phosphorylation of Akt and ERK1/2 in HEK293/A1R cells. Both A1R antagonist DPCPX and EGFR inhibitor AG1478 not only blocked paeoniflorin-induced phosphorylation of ERK1/2 and Akt in HEK293/A1R cells, but also paeoniflorin-increased survival of neurons subjected to OGD/R. In addition, paeoniflorin increased the phosphorylation of Src kinase and activation of MMP-2 in HEK293/A1R cells. Both Src inhibitor PP2 and MMP-2/MMP-9 inhibitor BiPs not only blocked paeoniflorin-induced phosphorylation of ERK1/2 (and Akt) in HEK293/A1R cells, but also paeoniflorin-increased survival of neurons subjected to OGD/R.ConclusionPaeoniflorin promotes the survival of cultured cortical neurons by increasing Akt and ERK1/2 phosphorylation via A1R-mediated transactivation of EGFR."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.org/dc/terms/identifier | "doi:10.1038/aps.2014.154"xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/author | "Zhong M."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/author | "Ye Y."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/author | "Xu Y.C."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/author | "Feng L.Y."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/author | "Song W.L."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/date | "2015"xsd:gYear |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/name | "Acta Pharmacol Sin"xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/pages | "298-310"xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/title | "Paeoniflorin ameliorates ischemic neuronal damage in vitro via adenosine A1 receptor-mediated transactivation of epidermal growth factor receptor."xsd:string |
| http://purl.uniprot.org/citations/25661317 | http://purl.uniprot.org/core/volume | "36"xsd:string |
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