Expert consensus on clinical application of GBE50 Dispersible Tablets for ischemic cardiovascular and cerebrovascular diseases / 中国中药杂志

Ginkgo biloba Extract( GBE50) Dispersible Tablets is a new standardized prescription,which is widely used in the treatment of ischemic cardiovascular and cerebrovascular diseases. However,there are still many problems in its clinical application.Rational and safe use of GBE50 Dispersible Tablets is pivotal to the medication safety and clinical prognosis of patients. This consensus has been jointly formulated by clinical experts of traditional Chinese medicine and western medicine in cardiovascular and cerebrovascular diseases and followed the Manual for the Clinical Experts Consensus of Chinese Patent Medicine published by the China Association of Chinese Medicine. The present study identified clinical problems based on clinical investigation,searched the research papers according to PICO clinical problems,carried out evidence evaluation,classification,and recommendation by GRADE system,and reached the expert consensus with nominal group technique. The consensus combines evidence with expert experience. Sufficient evidence of clinical problems corresponds to " recommendations",while insufficient evidence to " suggestions". Safety issues of GBE50 Dispersible Tablets,such as indications,usage and dosage,and medication for special populations,are defined to improve clinical efficacy,promote rational medication,and reduce drug risks. This consensus needs to be revised based on emerging clinical issues and evidencebased updates in practical applications in the future.

Discussion on efficacy evaluation thought and method for innovation medicine of Chinese herbal compound formula based on clinical application characteristics / 中国中药杂志

The Chinese herbal compound formula preparation was made based on theory of Chinese medicine, which was confirmed by long period clinical application, and with multi-compound and multi-target characteristics. During the exploitation process of innovation medicine of Chinese herbal compound formula, selecting and speeding up the research development of drugs with clinical value shall be paid more attention, and as request of rules involved in new drug research and development, the whole process management should be carried out, including project evaluation, manufacturing process determination, establishment of quality control standards, evaluation for pharmacological and toxic effect, as well as new drug application process. This reviews was aimed to give some proposals for pharmacodynamics research methods involved in exploration of Chinese herbal compound formula preparation, including： ①the endpoint criteria should meet the clinical attribution of new drugs; ②the pre-clinical pharmacodynamics evaluation should be carried on appropriate animal models according to the characteristics of diagnosis and therapy of Chinese medicine and observation indexes; ③during the innovation of drug for infants and children, information on drug action conforming to physiological characteristics of infants and children should be supplied, and the pharmacodynamics and toxicology research shall be conducted in immature rats according to the body weight of children. In a summary, the clinical application characteristics are the important criteria for evaluation of pharmacological effect of innovation medicine of Chinese herbal compound formula.

Study on effect and mechanism of cinnabaris and realgar in promoting awake of endotoxin-induced brain injury rat applied with Angong Niuhuang Wan / 中国中药杂志

<p><b>OBJECTIVE</b>To explore the effect and mechanism of cinnabaris and realgar in promoting awake effect of endotoxin- induced brain injury rat applied with Angong Niuhuang Wan.</p><p><b>METHOD</b>Normal rats implanted cortical electrode in advance were divided into 6 groups: control, model, the Angong Niuhuang Wan (AGNH, 0.4, 0.2 g · kg(-1)), the Angong Niuhuang Wan without cinnabaris and realgar (QZX-AGNH, 0.32, 0.16 g · kg(-1)). Rats in the control and model groups were given distilled water. After three days of intragastric administration, the brain injury model was injected with endotoxin through tail vein. Then trace electro-corticogram (EcoG) 1-6 h after LPS injection, and compare the power and relative power of beta (β) and delta-waves (δ) at 6 h of these groups. The content of acetylcholine (Ach) and the affinity of M-receptor (M-R) in cortex and brainstem were detected by alkaline hydroxylamine colorimetric method and radioactive ligand binding assay, respectively.</p><p><b>RESULT</b>AGNH (0.4, 0.2 g · kg(-1)) could increase the power and relative power of β and AGNH (0.4 g · kg(-1)) showed better action on brain electrical activation. QZX-AGNH showed weak effect on it. AGNH (0.4 g · kg(-1)) could increase the affinity of M-R in cortex and the content of Ach in brainstem. The action of QZX-AGNH was not obvious.</p><p><b>CONCLUSION</b>In endotoxin-induced brain injury rats, AGNH can raise the cholinergic system function of cortex, and strengthen the uplink of cortex activation of brainstem cholinergic system, improve the level of cortical activity and enhance the activation of EcoG to promote the body's awakening. QZX-AGNH show weak effect. Cinnabaris and realgar play an important role in promoting awake effect in endotoxin-induced brain injury applied with Angong Niuhuang Wan. The mechanism may be related to cortical and brainstem cholinergic system function.</p>

Relationship between congenital heart disease and bronchial dysplasia / 中国当代儿科杂志

<p><b>OBJECTIVE</b>To study the relationship of the incidence of bronchial dysplasia (bronchial anomalous origin and bronchial stenosis) with congenital heart disease.</p><p><b>METHODS</b>A total of 185 children with congenital heart disease or bronchial dysplasia were enrolled. Bronchial dysplasia was identified by the 64-MSCT conventional scanning or thin slice scanning with three-dimensional reconstruction.</p><p><b>RESULTS</b>Forty-five children (25.3%) had coexisting bronchial dysplasia and congenital heart disease. The incidence rate of bronchial dysplasia in children with congenital heart disease associated with ventricular septal defect was higher than in those without ventricular septal defect (33.7% vs 15.0%; P<0.05). There were no significant differences in the incidence rate of bronchial dysplasia between the children with congenital heart disease who had a large vascular malformation and who did not.</p><p><b>CONCLUSIONS</b>Bronchial dysplasia often occurs in children with congenital heart disease. It is necessary to perform a tracheobronchial CT scanning with three-dimensional reconstruction to identify tracheobronchial dysplasia in children with congenital heart disease, especially associated with ventricular septal defect.</p>

Effect of Xuesaitong drop pills on experimerntal thrombosis and thrombolysis in rats / 中国中药杂志

<p><b>OBJECTIVE</b>To study the effect and the mechanism of Xuesaitong drop pills (total saponins in Radix Notoginseng; XDP) on experimental thrombosis, thrombolysis and blood theology.</p><p><b>METHOD</b>First, the rats were randomly divided into five groups: control, XDP (90, 30, 10 mg x kg(-1)), Xuesaitong tablet (XP) 30 mg x kg(-1). Then the effect of the drugs on thrombus and thrombosis was studied after the ratsthrombosis was induced by the arteriovenous shunt. Second, the rats were randomly divided into seven groups: model, XDP (90, 30, 10 mg x kg(-1)), XT (90, 30 mg x kg(-1)), lumbrukinase capsule. Then the effect of the drugs on thrombus and thrombosis was studied after the rats'thrombosis was induced by the electrical stimulation of common carotid artery. Third, the rats were randomly divided into six groups: control, model, XDP (80, 40 mg x kg(-1)), XT (40, 20 mg x kg(-1)). Then the effect of the drugs on blood circulation promoting was observed after the rats'acute blood stasis induced by adrenalin and icy water.</p><p><b>RESULT</b>XDP 90, 30 mg x kg(-1) could notably lighten the wet-weight and dry-weight of thrombus in the arteriovenous shunt model in rats in a dose-dependent manner (P < 0.01). XDP 90 mg x kg(-1) with intragastric administration for 3 days had the satisfactory effect on thrombolysis after the rat's thrombosis was induced by the electrical stimulation of common carotid artery (P < 0.01). XDP 80, 40 , 20 mg x kg(-1) reduced significantly erythrocyte aggregation (P < 0.01) and decreased the whole blood viscosity at low shear rate (P < 0.05). XDP 80, 40 mg x kg(-1) reduced the whole blood viscosity at high shear rate and plasma viscosity (P < 0.05). XDP 80 mg x kg(-1) decreased the whole blood viscosity at high shear rate (P < 0.05).</p><p><b>CONCLUSION</b>XDP can significantly inhibit the thrombosis and has the satisfactory effect on thrombolysis. One kind of the mechanism is related to the effect on blood rheology.</p>

Effect ofAangong Niuhuang pill and heavy metal constituents on EcoG of brain damage caused by LPS in rats / 中国中药杂志

<p><b>OBJECTIVE</b>To probe the mechanism of EEG activation and Xingnao Kaiqiao, evaluate the actions of cinnabaris and realgar in Xingnao Kaiqiao of Angong Niuhuang pill, guess the significance of cinnabaris and realgar in specific indication treatment of Angong Niuhuang pill, and provide experimental bases for the rationality of Angong Niuhuang pill building-up.</p><p><b>METHOD</b>Seventy SD rats were divided into seven groups: the control, the model, the Angong Niuhuang pill (0.4 g x kg(-1)), the Angong Niuhuang pill without cinnabaris and realgar (0.32 g x kg(-1)) , the cinnabaris and realgar (0.08 g x kg(-1)), the realgar (0.04 g x kg(-1)), and the cinnabaris (0.04 g x kg(-1)). Rats in the control and model groups were given distilled water. After three days of administration, the brain damage model was made by Lipopolysaccharides (LPS) injection through caudal vein and the catecholamine (CA) and its metabolites levels in cerebral cortex, included noradrenaline (NE), adrenaline (E), 3-methocy-4-hydroxyphenylglycol (MHPG), 5-hydroxytryptamine (5-HT), 5-hydroxyindoleacetic acid (5-HIAA), dopamine (DA), Homovanlic acid (HVA), 3,4-dihydroxyphenylacetic acid (DOPAC), were determined by high-performance liquid chromatography with electrochemical detector (HPLC-ECD). Influences of Angong Niuhuang pill, Angong Niuhuang pill without cinnabaris and realgar, cinnabaris and realgar on monoamine transmitters were observed in brain damage rats caused by LPS.</p><p><b>RESULT</b>LPS could raise NE, 5-HT, 5-HIAA levels and reduce E, DOPAC levels, but had no influence on HVA, DA, MHPG levels. Angong Niuhuang pill had the trend of raising E, DOPAC levels and reducing NE level, and could reduce 5-HIAA level obviously comparing with models. But Angong Niuhuang pill without cinnabaris and realgar was different, NE level was significantly higher compared to models and Angong Niuhuang pill, DA level was also significantly higher compared to all groups. Cinnabaris and realgar had the same action trends with Angong Niuhuang pill, and separate realgar could obviously reduce 5-HT.</p><p><b>CONCLUSION</b>Influence on CA and its metabolites levels in cerebral cortex may be one of the mechanisms of Angong Niuhuang pill's EEG activation, and cinnabaris and realgar have the same action on CA levels in cerebral cortex. The results of the present work allow us to put forward the hypothesis that cinnabaris and realgar are most likely one of the important material basis in Xingnao Kaiqiao of Angong Niuhuang pill.</p>

Effect of qilong capsule on hemoreology in acute stress blood stasis rats / 中国中药杂志

<p><b>OBJECTIVE</b>To study the influence of Qilong capsule (QLC) on the hemoreology in acute stress blood stasis model rats.</p><p><b>METHOD</b>The model of acute stress blood stasis rats were induced by putting the rats into ice-water between hyodermic epinephrine twice of 1 mg x kg(-1). With the models, the effect of QLC on hemoreology such as whole blood viscosity, whole blood reduction viscosity, plasma viscosity, haematocrit (Hct), erythrocyte deformation and erythrocyte aggregation were observed.</p><p><b>RESULT</b>QLC 0.6, 0.3, 0.15 g x kg(-1) could significantly reduce the increase of whole blood viscosity at high-middle-low shear rate, reduce the whole blood reduction viscosity at middle-low shear rate, reduce Hct and erythrocyte aggregation, and increase the erythrocyte deformation in acute stress blood stasis rats (P < 0.05, P < 0.01, compared with vehicle). QLC 0.6, 0.3 g x kg(-1) could also reduce plasma viscosity (P < 0.05, P < 0.01, compared with vehicle).</p><p><b>CONCLUSION</b>QLC can significantly improve some indexes of hemoreology in acute stress blood stasis rats.</p>

Screening of traditional Chinese remedies for SARS treatment / 中国中药杂志

The SARS epidemic is breaking out worldwide. To select suitable herbal drugs for clinical uses is important and urgent amongst the controversial treatment proposals. Nine pharmacological experimental models were used to evaluate the comprehensive efficacy of traditional Chinese remedies by cross validation in different institutes. Eight drugs were optimized for controlling different symptoms of SARS.

Protective effect of 3,4-oxo-isopropylidene-shikimic acid on vascular endothelial cell injured by hydrogen peroxide / 药学学报

<p><b>AIM</b>To study the effect of 3,4-oxo-isopropylidene-shikimic acid (ISA) on H2O2 (200 mol.L-1, 4 h) injured human umbilical vein endothelial cells (HUVEC).</p><p><b>METHODS</b>Morphological change was observed under microscop. Cell viability was assessed by MTT assay. The release of intracellular lactate dehydrogenase (LDH) and NO was assessed by colorimetry. Radioimmunoassay was used to assess 6-keto-prostaglandin F1 alpha (6-keto-PGF1 alpha).</p><p><b>RESULTS</b>Pretreatment with ISA for 6 h alleviated the morphological damage of H2O2 induced HUVECs. At the concentration of 1-100 mumol.L-1, ISA prevented the inhibitory effect on cell viability induced by H2O2 in dose-dependent manner, but increased the ratio of cell viability from 60.4% to 84.3%. ISA reduced LDH release and increased the level of NO and 6-keto-PGF1 alpha in H2O2 induced HUVECs.</p><p><b>CONCLUSION</b>ISA exerted protective effect on H2O2 injured HUVEC.</p>

Experimental studies on the anti-thrombosis effect of 3,4-oxo-isopropylidene-shikimic acid / 药学学报

<p><b>AIM</b>To study the effect of 3,4-oxo-isopropylidene-shikimic acid (ISA) against arteriovenous shunt and middle cerebral artery thrombosis (MCAT) in rats.</p><p><b>METHODS</b>Arteriovenous shunt model was adopted to measure thrombus weight; The neurologic deficit (ND) and the infarct size (IS) of the middle cerebral thrombosis (MCAT) model induced by FeCl3 were observed; The effect of ISA on platelet aggregation rate of rat and rabbit by giving ISA in vivo and in vitro was studied.</p><p><b>RESULTS</b>ISA 25, 50, 100 and 200 mg.kg-1 ig was shown to reduced the weight of thrombus in arteriovenous shunt model; ISA 50, 100 and 200 mg.kg-1 ig for 2 times in 24 hours, attenuated the ND of rats subjected to MCAT; ISA 100 and 200 mg.kg-1 reduced IS of rats after MCAT by 27.8% and 31.6%, respectively; ISA 50, 100 and 200 mg.kg-1 ig inhibited platelet aggregation of normal rats; ISA 10(-3)-10(-5) mol.L-1, inhibited rabbit platelet aggregation in vitro.</p><p><b>CONCLUSION</b>ISA inhibited thrombosis by anti-platelet-aggregation.</p>