Uehara Y, Fujimi K, Yahiro E, Abe S, Devarajan S, Saku K, Urata H. Induction of tissue angiotensin II-forming activity in two-kidney, one-clip hypertensive hamster model. World J Hypertens 2013; 3(2): 9-17 [DOI: 10.5494/wjh.v3.i2.9]
Corresponding Author of This Article
Yoshinari Uehara, MD, PhD, Department of Cardiology, Fukuoka University School of Medicine, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan. ueharay@fukuoka-u.ac.jp
Research Domain of This Article
Cardiac & Cardiovascular Systems
Article-Type of This Article
Original Article
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Yoshinari Uehara, Kanta Fujimi, Eiji Yahiro, Satomi Abe, Keijiro Saku, Department of Cardiology, Fukuoka University School of Medicine, Fukuoka 814-0180, Japan
Sankar Devarajan, Hidenori Urata, Department of Cardiovascular Diseases, Fukuoka University Chikushi Hospital, Chikushino 818-8502, Japan
Author contributions: All authors contributed to this work. Uehara Y, Fujimi K and Yahiro E contributed equally to this work.
Correspondence to: Yoshinari Uehara, MD, PhD, Department of Cardiology, Fukuoka University School of Medicine, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan. ueharay@fukuoka-u.ac.jp
Telephone: +81-92-8011011 Fax: +81-92-8652692
Received: April 19, 2013 Revised: May 9, 2013 Accepted: May 20, 2013 Published online: May 23, 2013
Core Tip
Core tip: There are several pathways that can produce angiotensin (Ang) II in human tissues, which are involved in remodeling of the cardiovascular system. Among these, chymase has been exhibited the greatest Ang II-forming enzyme in human heart. In hypertensive hamster, blood pressure was significantly elevated, and both Ang converting enzyme (ACE) inhibitor (ACE-I) and Ang II type 1 receptor antagonist (ARB) revealed similar antihypertensive effects. Interestingly, cardiac chymase-dependent Ang II-formation decreased after ACE-I or ARB treatment. In addition, chymase-dependent Ang II-formation increased in the aorta, although these changes were inhibited only by ARB. ACE and chymase were regulated in a tissue-dependent manner in hypertensive hamsters, and the both enzymes were independently regulated.
