Non-xanthine heterocycles: activity as antagonists of A1- and A2-adenosine receptors.
@article{Daly1988NonxanthineHA, title={Non-xanthine heterocycles: activity as antagonists of A1- and A2-adenosine receptors.}, author={J. Daly and O. Hong and W. Padgett and M. Shamim and K. Jacobson and D. Ukena}, journal={Biochemical pharmacology}, year={1988}, volume={37 4}, pages={ 655-64 } }
A variety of non-xanthine heterocycles were found to be antagonists of binding of [3H]phenylisopropyladenosine to rat brain A1-adenosine receptors and of activation of adenylate cyclase via interaction of N-ethylcarboxamidoadenosine with A2-adenosine receptors in human platelet and rat phenochromocytoma cell membranes. The pyrazolopyridines tracazolate, cartazolate and etazolate were several fold more potent than theophylline at both A1- and A2-adenosine receptors. The pyrazolopyridines… CONTINUE READING
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