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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
QishenYiqi Dripping Pill Improves Heart Failure by Up-Regulation of β2-Adrenergic Receptor Expression.
Journal of Heart Valve Disease 2017 March
BACKGROUND: QishenYiqi Dripping Pill (QYDP) is a Chinese herbal medicine that originally was used for the treatment of coronary artery disease. Recently, QYDP was used as a complementary treatment for heart failure (HF) in China.
METHODS: An HF rat model was used to clarify the possible therapeutic effects of QYDP on HF. The HF rats were allocated to two groups, HF and HF+QYDP, while normal rats served as a negative control. Cardiac functions were evaluated echocardiographically and hemodynamically. Cardiac apoptosis and the expression of β-adrenergic receptors were also investigated.
RESULTS: Compared to the HF group, rats in the HF+QYDP group had a significantly higher fraction shortening (p<0.05), ejection fraction (p<0.05), left ventricular systolic pressure (p<0.05), maximum positive derivatives of left ventricular pressure (p<0.05), maximum negative derivatives of left ventricular pressure (p<0.05), and β2-adrenergic receptor expression (p<0.05), and lower left ventricular end-diastolic pressure (p<0.05) and apoptotic index (p<0.05).
CONCLUSIONS: The study results indicated that QYDP could efficiently improve HF, possibly by an inhibition of cardiac apoptosis via the β2-adrenergic receptor signaling pathway. Hence, QYDP might be a promising candidate drug for HF therapy.
METHODS: An HF rat model was used to clarify the possible therapeutic effects of QYDP on HF. The HF rats were allocated to two groups, HF and HF+QYDP, while normal rats served as a negative control. Cardiac functions were evaluated echocardiographically and hemodynamically. Cardiac apoptosis and the expression of β-adrenergic receptors were also investigated.
RESULTS: Compared to the HF group, rats in the HF+QYDP group had a significantly higher fraction shortening (p<0.05), ejection fraction (p<0.05), left ventricular systolic pressure (p<0.05), maximum positive derivatives of left ventricular pressure (p<0.05), maximum negative derivatives of left ventricular pressure (p<0.05), and β2-adrenergic receptor expression (p<0.05), and lower left ventricular end-diastolic pressure (p<0.05) and apoptotic index (p<0.05).
CONCLUSIONS: The study results indicated that QYDP could efficiently improve HF, possibly by an inhibition of cardiac apoptosis via the β2-adrenergic receptor signaling pathway. Hence, QYDP might be a promising candidate drug for HF therapy.
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