ArticleBrain research2015
2',3'-cAMP, 3'-AMP, 2'-AMP and adenosine inhibit TNF-α and CXCL10 production from activated primary murine microglia via A2A receptors.
Article in Brain research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 46 citations in OpenAlex.
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- N-Methyl-D-aspartate (NMDA) and cannabinoid CBAlzheimer's research & therapy · 2021Article
- CNPase, a 2',3'-Cyclic-nucleotide 3'-phosphodiesterase, as a Therapeutic Target to Attenuate Cardiac Hypertrophy by Enhancing Mitochondrial Energy Production.International journal of molecular sciences · 2021Article
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- Novel Interactions Involving the Mas Receptor Show Potential of the Renin-Angiotensin system in the Regulation of Microglia Activation: Altered Expression in Parkinsonism and Dyskinesia.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2021Article
- Adenosine ATranslational stroke research · 2020Article
- Angiotensin ATJournal of neuroinflammation · 2020Article
- Adenosine ACells · 2020Article
- 2',3'-cGMP exists in vivo and comprises a 2',3'-cGMP-guanosine pathway.American journal of physiology. Regulatory, integrative and comparative physiology · 2019Article
- Oxidative stress induces release of 2'-AMP from microglia.Brain research · 2019Article
- The Adenosinergic Signaling: A Complex but Promising Therapeutic Target for Alzheimer's Disease.Frontiers in neuroscience · 2018Review
- Modulation of Microglial Activation by Adenosine A2a Receptor in Animal Models of Perinatal Brain Injury.Frontiers in neurology · 2018Article
- Article
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8 authors at 2 institutions in 1 country.
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Abstract
backgroundSome cells, tissues and organs release 2',3'-cAMP (a positional isomer of 3',5'-cAMP) and convert extracellular 2',3'-cAMP to 2'-AMP plus 3'-AMP and convert these AMPs to adenosine (called the extracellular 2',3'-cAMP-adenosine pathway). Recent studies show that microglia have an extracellular 2',3'-cAMP-adenosine pathway. The goal of the present study was to investigate whether the extracellular 2',3'-cAMP-adenosine pathway could have functional consequences on the production of cytokines/chemokines by activated microglia.
methodsExperiments were conducted in cultures of primary murine microglia. In the first experiment, the effect of 2',3'-cAMP, 3'-AMP, 2'-AMP and adenosine on LPS-induced TNF-α and CXCL10 production was determined. In the next experiment, the first protocol was replicated but with the addition of 1,3-dipropyl-8-p-sulfophenylxanthine (DPSPX) (0.1 μM; antagonist of adenosine receptors). The last experiment compared the ability of 2-chloro-N(6)-cyclopentyladenosine (CCPA) (10 μM; selective A1 agonist), 5'-N-ethylcarboxamide adenosine (NECA) (10 μM; agonist for all adenosine receptor subtypes) and CGS21680 (10 μM; selective A2A agonist) to inhibit LPS-induced TNF-α and CXCL10 production.
results(1) 2',3'-cAMP, 3'-AMP, 2'-AMP and adenosine similarly inhibited LPS-induced TNF-α and CXCL10 production; (2) DPSPX nearly eliminated the inhibitory effects of 2',3'-cAMP, 3'-AMP, 2'-AMP and adenosine on LPS-induced TNF-α and CXCL10 production; (3) CCPA did not affect LPS-induced TNF-α and CXCL10; (4) NECA and CGS21680 similarly inhibited LPS-induced TNF-α and CXCL10 production.
conclusions2',3'-cAMP and its metabolites (3'-AMP, 2'-AMP and adenosine) inhibit LPS-induced TNF-α and CXCL10 production via A2A-receptor activation. Adenosine and its precursors, via A2A receptors, likely suppress TNF-α and CXCL10 production by activated microglia in brain diseases.
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