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Br J Pharmacol. 2009 Aug;157(7):1142-53. doi: 10.1111/j.1476-5381.2009.00337.x. Epub 2009 Jun 25.

Dinucleoside polyphosphates: strong endogenous agonists of the purinergic system.

Author information

1
Charité-Universitaetsmedizin Berlin, Campus Benjamin Franklin, Medizinische Klinik IV, Berlin, Germany.

Abstract

The purinergic system is composed of mononucleosides, mononucleoside polyphosphates and dinucleoside polyphosphates as agonists, as well as the respective purinergic receptors. Interest in the role of the purinergic system in cardiovascular physiology and pathophysiology is on the rise. This review focuses on the overall impact of dinucleoside polyphosphates in the purinergic system. Platelets, adrenal glands, endothelial cells, cardiomyocytes and tubular cells release dinucleoside polyphosphates. Plasma concentrations of dinucleoside polyphosphates are sufficient to cause direct vasoregulatory effects and to induce proliferative effects on vascular smooth muscle cells and mesangial cells. In addition, increased plasma concentrations of a dinucleoside polyphosphate were recently demonstrated in juvenile hypertensive patients. In conclusion, the current literature accentuates the strong physiological and pathophysiological impact of dinucleoside polyphosphates on the cardiovascular system.

PMID:
19563527
PMCID:
PMC2743832
DOI:
10.1111/j.1476-5381.2009.00337.x
[Indexed for MEDLINE]
Free PMC Article

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