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Blockade of adenosine A2A receptors prevents staurosporine-induced apoptosis of...
Silva, Carla G.; Porciúncula, Lisiane O.; Canas, Paula M.; Oliveira, Catarina R.; Cunha, Rodrigo A.Since adenosine A2A receptor (A2ARs) blockade protects against noxious brain insults involving apoptosis, we directly tested if A2AR blockade prevents apoptosis induced by staurosporine (STS). Exposure of rat hippocampal neurons to STS (30 nM, 24 h) decreased neuronal viability while increasing the number apoptotic-like neurons and de-localizing mitochondria and cytochrome c immunoreactivities. This was prevent...
Long-term Effect of Convulsive Behavior on the Density of Adenosine A1 and A2A ...
Rebola, Nelson; Porciúncula, Lisiane O.; Lopes, Luísa V.; Oliveira, Catarina R.; Soares-da-Silva, Patrício; Cunha, Rodrigo A.Purpose: Adenosine is a neuromodulator that has been proposed to act as an anticonvulsant mainly via inhibitory A1 receptors, but recent data show that genetic deletion of facilitatory A2A receptors might also attenuate convulsions. Since both A1 and A2A receptors are prone to down- and upregulation in different stressful situations, we investigated if convulsive behavior leads to a long-term change in A1 and A...
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