American journal of physiology. Renal physiology, 303(7), F1000-F1005 (2012-08-10)
A(1) receptors may participate in renal sympathetic neurotransmission by enhancing the postjunctional effects of norepinephrine. The purpose of this study was to test this concept using A(1) receptor knockout (A(1)AR-/-) mice. In isolated kidneys from nontransgenic mice perfused with Tyrode's
The Journal of pharmacology and experimental therapeutics, 307(3), 888-896 (2003-10-16)
Adenosine regulates tubular transport in collecting ducts (CDs); however, the sources of adenosine that modulate ion transport in CDs are unknown. The extracellular cAMP-adenosine pathway refers to the conversion of cAMP to AMP by ectophosphodiesterase, followed by metabolism of AMP
The Journal of pharmacology and experimental therapeutics, 320(1), 117-123 (2006-10-10)
The extracellular cAMP-adenosine pathway is the cellular egress of cAMP followed by extracellular conversion of cAMP to adenosine by the sequential actions of ecto-phosphodiesterase and ecto-5'-nucleotidase. Although detailed studies in isolated organs, tissues, and cells provide evidence for an extracellular
American journal of physiology. Regulatory, integrative and comparative physiology, 292(5), R1916-R1925 (2007-02-03)
Little is known about the purinergic regulation of intestinal motor activity in amphibians. Purinergic control of intestinal motility is subject to changes during development in mammals. The aim of this study was to investigate purinergic control of intestinal smooth muscle
European journal of pharmacology, 441(1-2), 99-104 (2002-05-15)
The continuous infusion of 1,3-dipropyl-8-sulfophenylxanthine (DPSPX), a non-selective antagonist of adenosine receptors, causes hypertension and marked cardiovascular structural changes in Wistar rats. Adenosine inhibits noradrenaline and renin release. We investigated the effects of sympathetic denervation, evaluated renin activity and the
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