However adenosine stmulation of a2ar modulated excitatory neurotranmission and exacerbated limbic seizures. It is implied that blocking a2ar migh offer protection from epilpsy .in our studies injection of sch58261 an a2ar antagonist resulted in a dose dependent and prolonged cns-ot latency infusing cpca an a2ar agonist intob the brain exhibited a dose dependent and shortened cns-ot latency.these results revealed that a1r agonism and a2ar antagonism both fight hbo induced cns-ot while the limied distribution of a2ar in the brain adenosine seem to mire affinitive with a1r so adenosine display the preventiv effect to cns-ot in its entirety.
As discussed above sdnosine is associated with the pathogenesis of hbo-induced cns -ot .meanwhile the a1r and a2ar both involved in the process the promotion of adenosine a1r or suppression of adenosine a2ar is involved in the prevention on hbo-induced cns-ot studies have provided important information about the effects of adeni sine metabolism in astrocytes on hbo-induced cns-ot