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. 1994 May;349(5):485-91.
doi: 10.1007/BF00169137.

A1 adenosine receptors can occur manifesting two kinetic components of 8-cyclopentyl-1,3-[3H]dipropylxanthine ([3H]DPCPX) binding

V Casadó  1 , J Mallol, R Franco, C Lluis, E I Canela
Affiliations

A1 adenosine receptors can occur manifesting two kinetic components of 8-cyclopentyl-1,3-[3H]dipropylxanthine ([3H]DPCPX) binding

V Casadó et al. Naunyn Schmiedebergs Arch Pharmacol. 1994 May.

Abstract

The results described in this paper show, for the first time, that A1 adenosine receptors can have two kinetic components for the binding of the antagonist [3H]DPCPX. At low ionic strength (< or = 42 mmol/l), dissociation of [3H]DPCPX bound to A1 receptors fitted better to a two kinetic components model than to a one kinetic component model. The kinetic constants were consistent with comparable Kd values for the two components of the antagonist binding, and therefore these two components cannot be distinguished by saturation isotherm analysis.

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