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Animal Bioresource in Japan

.: Home > Animal Bioresource in Japan > 2013 > Volume 62 Number 4 > Yuki Hara, Akiko Noda, Seiko Miyata, Makoto Minoshima, Mari Sugiura, Jun Kojima, Masafumi Otake, Mayuko Furukawa, Xian Wu Cheng, Kohzo Nagata, Toyoaki Murohara

Effects of Aged Garlic Extract on Left Ventricular Diastolic Function and Fibrosis in a Rat Hypertension Model

Yuki Hara, Akiko Noda, Seiko Miyata, Makoto Minoshima, Mari Sugiura, Jun Kojima, Masafumi Otake, Mayuko Furukawa, Xian Wu Cheng, Kohzo Nagata, Toyoaki Murohara
Department of Medical Technology, Nagoya University Graduate School of Medicine, 1–1–20 Daiko-Minami, Higashi-ku, Nagoya, Aichi 461-8673, Japan
Abstract :

Daily consumption of garlic is known to lower the risk of hypertension and ischemic heart disease. In this study, we examined whether aged garlic extract (AGE) prevents hypertension and the progression of compensated left ventricular (LV) hypertrophy in Dahl salt-sensitive (DS) rats. DS rats were randomly divided into three groups: those fed an 8% NaCl diet until 18 weeks of age (8% NaCl group), those additionally treated with AGE (8% NaCl + AGE group), and control rats maintained on a diet containing 0.3% NaCl until 18 weeks of age (0.3% NaCl group). AGE was administered orally by gastric gavage once a day until 18 weeks of age. LV mass was significantly higher in the 8% NaCl + AGE group than in the 0.3% NaCl group at 18 weeks of age, but significantly lower in the 8% NaCl + AGE group than in the 8% NaCl group. No significant differences were observed in systolic blood pressure (SBP) between the 8% NaCl and 8% NaCl + AGE groups at 12 and 18 weeks of age. LV end-diastolic pressure and pressure half-time at 12 and 18 weeks of age were significantly lower in the 8% NaCl + AGE group compared with the 8% NaCl group. AGE significantly reduced LV interstitial fibrosis at 12 and 18 weeks of age. Chronic AGE intake attenuated LV diastolic dysfunction and fibrosis without significantly decreasing SBP in hypertensive DS rats.

Keywords :
aged garlic extract, blood pressure, hypertension, left ventricular function, left ventricular hypertrophy

Date Deposited : 06 Apr 2015 12:44

Last Modified : 06 Apr 2015 12:44

Official URL: http://https://www.jstage.jst.go.jp/browse/expanim/62/1/_contents

Volume 62, Number 4, - 2013

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