“Further application of either the α1‐adrenoceptor agonist methoxamine (100 μM) or the diacylglycerol analogue 1,2‐dioctanoyl‐sw‐glycerol (DOG, 100 μm) also increased the adenosine concentration by 35.1 ± 10.0% (n= 6, P < 0.05) or 40.6 ± 8.3% (n= 5, P < 0.05), respectively.”