The culture filtrates from Bacillus subtilis natto lowers blood pressure via renin-angiotensin system in spontaneously hypertensive rats fed with a high-cholesterol diet

被引:1
|
作者
Yeon Kyoung Kim
Sang Mi Kim
Ji Yeon Kim
Oran Kwon
机构
[1] Ewha Womans University,Department of Nutritional Science and Food Management
来源
Journal of the Korean Society for Applied Biological Chemistry | 2011年 / 54卷 / 6期
关键词
blood pressure; fibrinolytic activity; nattokinase; renin-angiotensin system; spontaneously hypertensive rat;
D O I
10.1007/BF03253186
中图分类号
学科分类号
摘要
Antihypertensive effect of the culture filtrates from Bacillus subtilis natto (CFB) associated with renin-angiotensin system (RAS) as well as fibrinolytic and anti-thrombotic activity was examined. By using the spontaneously hypertensive rats fed with a high-cholesterol diet (0.5% cholesterol and 0.5% cholic acid), biomarkers related to the RAS were measured after 11 week-administration of CFB in the diet at 1 or 2% levels. Systolic blood pressure was significantly attenuated by CFB at both levels. Plasma renin activity was significantly suppressed by CFB, and protein expression of renin in kidney also showed tendency of decrease by administration of CFB, although not statistically significant. Renal angiotensin II concentrations were decreased, whereas plasma angiotensin II concentrations showed no differences among groups. Whole blood clotting and euglobulin clot lysis time showed insignificant changes, but downward tendencies by CFB supplementation. Although further study is necessary to clearly elucidate the related mechanism, taken together, these findings support the hypothesis that CFB could be potentially used as dietary supplement to suppress hypertension.
引用
收藏
页码:959 / 965
页数:6
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