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Effects of Shencao Tongmai Formular on ANP, AngⅡ of myocardium and cAMP, PKA, and PKC of nephrogenic tissue of chronic heart failure rats#br# |
LI Hai1 LIU Xiaolei1 WANG Yi1 ZHANG Yan2 |
1.Department of Medical, Shenyang Second Hospital of Traditional Chinese Medicine, Liaoning Province, Shenyang 110101, China;
2.Expert Consultation, the Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Liaoning Province, Shenyang 110032, China |
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Abstract Objective To observe the effects of Shencao Tongmai Formula on atrial natriuretic peptide (ANP), angiotensinⅡ (AngⅡ) of myocardium and cyclic adenosine monophosphate (cAMP), protein kinase A (PKA), and protein kinase C (PKC) of nephrogenic tissue of chronic heart failure (CHF) rats. Methods Sixty SPF 12-week-old male rats weighing 300-350 g were randomly selected as the normal group and the sham operation group (coronary artery ligation was released after five seconds), with eight rats in each group. After coronary artery ligation, the remaining rats were fed down and exhausted swimming for 28 days to construct CHF model. After successful modeling, the rats were divided into traditional Chinese medicine group, Western medicine group, and model group by random number table remainder method, with eight rats in each group. Traditional Chinese medicine group was given Shencao Tongmai Formular crude drug 7.2g/(kg·d), twice a day; Western medicine group was given Fosinopril 1.2 mg/kg for the first time and distilled water 1.5 ml for the second time everyday; normal group, model group, and sham operation group were given distilled water 1.5 ml intragastric administration, twice a day, intervention for 28 d in all five groups. The changes of ANP, AngⅡ of myocardium and cAMP, PKA, and PKC of nephrogenic tissue of five groups were observed. Results The levels of ANP and AngⅡ in model group were higher than those of normal group and sham operation group, while the levels of ANP and AngⅡ in traditional Chinese medicine group were lower than those in model group, the differences were statistically significant (P < 0.05). The levels of cAMP and PKC in model group were higher than those of normal group and sham operation group, and PKA was lower than that of normal group and sham operation group. The levels of cAMP and PKC in traditional Chinese medicine group were lower than that of model group, and PKA was higher than that of model group, with statistical significance (P < 0.05). Conclusion Shencao Tongmai Formular is efficient in CHF treatment, renal function improvement. It’s also efficient in reducing the adverse effects of renal decompensation on CHF treatment.
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