How does adenosine control neuronal dysfunction and neurodegeneration?

RA Cunha - Journal of neurochemistry, 2016 - Wiley Online Library
The adenosine modulation system mostly operates through inhibitory A1 (A1R) and
facilitatory A2A receptors (A2AR) in the brain. The activity‐dependent release of adenosine …

[HTML][HTML] ATP as a multi-target danger signal in the brain

RJ Rodrigues, AR Tomé, RA Cunha - Frontiers in neuroscience, 2015 - frontiersin.org
ATP is released in an activity-dependent manner from different cell types in the brain,
fulfilling different roles as a neurotransmitter, neuromodulator, in astrocyte-to-neuron …

[HTML][HTML] Early synaptic deficits in the APP/PS1 mouse model of Alzheimer's disease involve neuronal adenosine A2A receptors

S Viana da Silva, MG Haberl, P Zhang, P Bethge… - Nature …, 2016 - nature.com
Synaptic plasticity in the autoassociative network of recurrent connections among
hippocampal CA3 pyramidal cells is thought to enable the storage of episodic memory …

[HTML][HTML] Age-related shift in LTD is dependent on neuronal adenosine A2A receptors interplay with mGluR5 and NMDA receptors

M Temido-Ferreira, DG Ferreira, VL Batalha… - Molecular …, 2020 - nature.com
Synaptic dysfunction plays a central role in Alzheimer's disease (AD), since it drives the
cognitive decline. An association between a polymorphism of the adenosine A2A receptor …

[HTML][HTML] Adenosine receptors and brain diseases: neuroprotection and neurodegeneration

CV Gomes, MP Kaster, AR Tomé, PM Agostinho… - … et Biophysica Acta (BBA …, 2011 - Elsevier
Adenosine acts in parallel as a neuromodulator and as a homeostatic modulator in the
central nervous system. Its neuromodulatory role relies on a balanced activation of inhibitory …

[HTML][HTML] Neuroprotection by adenosine in the brain: From A1 receptor activation to A2A receptor blockade

RA Cunha - Purinergic signalling, 2005 - Springer
Adenosine is a neuromodulator that operates via the most abundant inhibitory adenosine A
1 receptors (A 1 Rs) and the less abundant, but widespread, facilitatory A 2A Rs. It is …

Convergence of adenosine and GABA signaling for synapse stabilization during development

F Gomez-Castro, S Zappettini, JC Pressey, CG Silva… - Science, 2021 - science.org
INTRODUCTION During development, brain circuits go through phases of synapse
formation, stabilization, or elimination. γ-aminobutyric acid–mediated (GABAergic) synapse …

Adenosine A2A receptor blockade prevents synaptotoxicity and memory dysfunction caused by β-amyloid peptides via p38 mitogen-activated protein kinase pathway

PM Canas, LO Porciúncula, GMA Cunha… - Journal of …, 2009 - Soc Neuroscience
Alzheimer's disease (AD) is characterized by memory impairment, neurochemically by
accumulation of β-amyloid peptide (namely Aβ1-42) and morphologically by an initial loss of …

Caffeine and adenosine A2a receptor antagonists prevent β-amyloid (25–35)-induced cognitive deficits in mice

OP Dall'Igna, P Fett, MW Gomes, DO Souza… - Experimental …, 2007 - Elsevier
Consumption of caffeine, an adenosine receptor antagonist, was found to be inversely
associated with the incidence of Alzheimer's disease. Moreover, caffeine protects cultured …

[HTML][HTML] Adenosine A2A receptors are essential for long-term potentiation of NMDA-EPSCs at hippocampal mossy fiber synapses

N Rebola, R Lujan, RA Cunha, C Mulle - Neuron, 2008 - cell.com
The physiological conditions under which adenosine A 2A receptors modulate synaptic
transmission are presently unclear. We show that A 2A receptors are localized …