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• W2907761005 endingPage "647" @default.
• W2907761005 startingPage "634" @default.
• W2907761005 abstract "Resveratrol, a natural polyphenolic compound, has been studied as a neuroprotective molecule. Our group has demonstrated that such effect is closely associated with modulation of glial functionality, but the underlying mechanisms are not fully understood. Because astrocytes actively participate in the brain inflammatory response, and activation of adenosine receptors can attenuate inflammatory processes, the aim of this study was to investigate the role of adenosine receptors as a mechanism for resveratrol glioprotection, particularly regarding to neuroinflammation. Therefore, primary astrocyte cultures were co-incubated with resveratrol and selective antagonists of A1, A2A, and A3 adenosine receptors, as well as with caffeine (a non-selective adenosine receptor antagonist), and then challenged with bacterial inflammogen lipopolysaccharide (LPS). Caffeine and selective adenosine receptor antagonists abolished the anti-inflammatory effect of resveratrol. In accordance with these effects, resveratrol prevented LPS-induced decrease in mRNA levels of adenosine receptors. Resveratrol could also prevent the activation of pro-inflammatory signaling pathways, such as nuclear factor κB (NFκB) and p38 mitogen-activated protein kinase (p38 MAPK) in a mechanism dependent on adenosine receptors. Conversely, trophic factors and protective signaling pathways, including sirtuin 1 (SIRT1), nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), and phosphoinositide 3-kinase (PI3K)/Akt were positively modulated by resveratrol in both LPS-stimulated and unstimulated astrocytes, but adenosine receptor antagonism did not abrogate all effects of resveratrol. To our knowledge, our data provide the first evidence that adenosine receptors are involved in the anti-inflammatory activity of resveratrol in astrocytes, thus exerting an important role for resveratrol-mediated glioprotection." @default.
• W2907761005 created "2019-01-11" @default.
• W2907761005 creator A5038269945 @default.
• W2907761005 creator A5040701010 @default.
• W2907761005 creator A5077588471 @default.
• W2907761005 date "2019-03-01" @default.
• W2907761005 modified "2023-10-05" @default.
• W2907761005 title "Adenosine receptors as a new target for resveratrol-mediated glioprotection" @default.
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• W2907761005 doi "https://doi.org/10.1016/j.bbadis.2019.01.004" @default.
• W2907761005 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30611861" @default.
• W2907761005 hasPublicationYear "2019" @default.

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