NDLI: Impact of AT2-receptor stimulation on vascular biology, kidney function, and blood pressure

Content Provider	PubMed Central
Author	Danyel, Leon A. Patrick, Schmerler Paulis, Ludovit Unger, Thomas Steckelings, U. Muscha
Copyright Year	2013
Abstract	The angiotensin type 2 receptor (AT2R) and the receptor MAS are receptors within the renin–angiotensin system, which mediate tissue-protective actions such as anti-inflammation, antifibrosis, and antiapoptosis. In recent years, several programs have been launched in order to develop drugs that act as agonists on the AT2R or MAS to take therapeutic advantage of the protective and regenerative properties of these receptors. This review article will focus on recent data obtained in preclinical animal and in vitro models with new AT2R-agonistic molecules (Compound 21 and β-amino acid substituted angiotensin II) and with relevance for blood pressure (BP) regulation or hypertensive end-organ damage. These data will include studies on vasodilation/vasoconstriction in isolated resistance arteries ex vivo, studies on kidney function, studies on vascular remodeling, and studies that measured the net effect of AT2R stimulation on BP in vivo. Current data indicate that although AT2R stimulation causes vasodilation ex vivo and promotes natriuresis, it does not alter BP levels in vivo acutely – at least as long as there is no additional low-dose blockade of AT1R. However, AT2R stimulation alone is able to attenuate hypertension-induced vascular remodeling and reduce arterial stiffening, which in more chronic settings and together with the natriuretic effect may result in modest lowering of BP. We conclude from these preclinical data that AT2R agonists are not suitable for antihypertensive monotherapy, but that this new future drug class may be beneficial in combination with established antihypertensives for the treatment of hypertension with improved protection from end-organ damage.
Related Links	http://dx.doi.org/10.2147/ibpc.s34425
Ending Page	161
Starting Page	153
File Format	PDF
ISSN	11787104
e-ISSN	11787104
Journal	Integrated Blood Pressure Control
Volume Number	6
Language	English
Publisher	Dove Medical Press
Publisher Date	2013-11-01
Access Restriction	Open
Rights Holder	Dove Medical Press
Subject Keyword	Internal Medicine Cardiology and Cardiovascular Medicine Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Internal Medicine Cardiology and Cardiovascular Medicine

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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