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Objective:To observe the influence of Naogongtai formula on hippocampus monoamine neurotransmitters and their metabolites in rats in elevated plus-maze test, and explore the mechanism of antihypertensive effect of brain tegument peptide. Methods:The effects of two doses of Naogongtai formula on the anxiety behavior of rats were observed by using the rat model of elevated malaria anxiety (EPM). The contents of monoamine neurotransmitters and their metabolites in hippocampus of rats were determined by HPLC-FLD. Results:Compared with those in the blank control group,the percents of open arms time and entries in the high dosage of Naogongtai formula group significantly increased (P < 0.05),and the percent of open arms entries in the low dosage of Naogongtai formula group significantly increased (P < 0.05). Compared with that in the blank control group, the content of 5-HT in the high dosage of Naogongtai formula group significantly decreased (P < 0.05) and the content of HVA significantly increased (P < 0.05). Conclusion:In the EPM test, Naogongtai formula shows a certain anti-anxiety effect, and the determination of monoamine neurotransmitters in hippocampus of rats may be related to the reduction of rat hippocampal 5-HT content.
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Objective To study the protective effect of Xuemailing on pituitrin-induced myocardial rats. Methods The rats were divided into 7 groups(by means of random number table), 10 rats in each group, namely blank control group, model control group,Di'aoxinxuekang group and experimental groups(Xuemailing prepared fleece flower root high and low dose groups;Xuemailing raw radix polygoni multiflori high and low dose groups), each group was ig administrated once every day for 7 days, Blank control and model control groups were given the same volume of purified water.Effects of 7 groups on T wave and S-T segment were observed,LDH,CK,SOD,MDA activities in serum of rats were determined. Results High dose Xuemailing (prepared fleece flower root) significantly decreased the elevation of 10,30,45 s,1 min ST segment and 10,30,45 s T wave in the myocardial ischemia rat model.Low dose Xuemailing (prepared fleece flower root) significantly decreased the elevation of 10 s,1 min ST segment and 10 s T wave of the rat model.High dose Xuemailing(raw radix polygoni multiflori) significantly decreased the elevation of 10 s ST segment and 10,45 s T wave in the rat model.Xuemailing (prepared fleece flower root) and Xuemailing (raw radix polygoni multiflori) significantly decreased LDH,CK,MDA enzyme activities,and increased SOD enzyme activities of the myocardial ischemia rat model. Conclusion Xuemailing can protect the myocardial ischemia rats induced by pituitrin.
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Objective To investigate the value of tumor M2 pyruvate kinase (TuM2-PK ) ,cytokeratin-18 (CK18 )-3A9 and cytokeratin 19 fragment(CYFRA21-1) in non small cell lung cancer(NSCLC) ,and to evaluate the application value of combined de-tection of these three kinds tumor markers in diagnosis of NSCLC .Methods The serum levels of TuM2-PK and CK18-3A9 were measured in 67 patients with NSCLC(NSCLC group) ,72 patients with benign lung diseases(benign group) and 75 healthy control (control group) by enzyme linked immunosorbent assay(ELISA) .The level of CYFRA21-1 was detected by electrochemilumines-cence method .Results The serum levels of TuM2-PK ,CK18-3A9 and CYFRA21-1 in NSCLC group were higher than those in be-nign group and control group(P<0 .05) .The sensitivity of TuM2-PK or CK18-3A9 was better than CYFRA21-1(P<0 .05) ,the specificity of CYFRA21-1 was better than TuM2-PK or CK18-3A9(P<0 .01) .The sensitivity and accuracy of combined detection of TuM2-PK ,CK18-3A9 and CYFRA21-1 were both better than CYFRA21-1(P<0 .05) .The sensitivity ,specificity and accuracy of combined detection of TuM2-PK ,CK18-3A9 and CYFRA21-1 were all better than TuM2-PK or CK18-3A9 alone(P<0 .05) .Con-clusion The combined detection of TuM2-PK ,CK18-3A9 and CYFRA21-1 were better in sensitivity and accuracy of diagnosis of NSCLC .