Volume 1, Number 2, June 2000

AT₁-signalling in vascular smooth muscle
Alun D Hughes

Angiotensin II activates multiple signalling pathways in vascular smooth muscle. The precise pattern of signals and their relative importance to a particular functional response depends on both cell type and differentiation state. Although the contractile and trophic effects of Ang II are often thought of as distinct responses it is increasingly difficult to differentiate them in terms of signalling pathways. Since vasoconstriction and abnormal growth are both features of circulatory diseases such as hypertension and atherosclerosis a better understanding of the signalling pathways responsible for the vasoconstrictor and trophic actions of this peptide may help define novel therapeutic targets in cardiovascular disease.

JRAAS 2000;1:125-130.

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