Efficacy of Getong Tongluo Capsule () for Convalescent-Phase of Ischemic Stroke and Primary Hypertension: A Multicenter, Randomized, Double-Blind, Controlled Trial / 中国结合医学杂志

OBJECTIVE@#To evaluate whether the efficacy of Getong Tongluo Capsule (, GTC, consisted of total flavone of Radix Puerariae) on improving patients' quality of life and lowering blood pressure are superior to the extract of Ginkgo biloba (EGB) for patients with convalescent-phase ischemic stroke and primary hypertension.@*METHODS@#This randomized, positive-drug- and placebo-controlled, double-blind trial was conducted from September 2015 to October 2017. Totally 477 eligible patients from 18 hospitals in China were randomly assigned in a 2:1:1 ratio to the following interventions, twice a day for 12 weeks: (1) GTC 250 mg plus EGB-matching placebo 40 mg (237 cases, GTC group), (2) EGB 40 mg plus GTC-matching placebo 250 mg (120 cases, EGB group) or (3) GTC-matching placebo 250 mg plus EGB-matching placebo 40 mg (120 cases, placebo group). Moreover, all patients were orally administered aspirin enteric-coated tablets 100 mg, once a day for 12 weeks. The primary outcome was the Barthel Index (BI). The secondary outcomes included the control rate of blood pressure and National Institutes of Health Stroke Scale (NIHSS) scores. The incidence and severity of adverse events (AEs) were calculated and assessed.@*RESULTS@#The BI relative independence rates, the clinical recovery rates of NIHSS, and the total effective rates of NIHSS in the GTC and EGB groups were significantly higher than the placebo group at 12 weeks after treatment (P0.05). The control rate of blood pressure in the GTC group was significantly higher than the EGB and placebo groups at 12, 18 and 24 weeks after treatment (P0.05).@*CONCLUSION@#GTC exhibited significant efficacy in improving patients' quality of life as well as neurological function and controlling hypertension. (Registration No. ChiCTR1800016667).

Quantitative evaluation of microcirculation in choroidal melanoma of rabbits using contrast-enhanced ultrasound / 眼科新进展

[Absract] Objective To explore a modified method for establishing a rabbit model of B16F10 cells and the factors in tumorigenesis as well as to observe contrastenhanced ultrasonography (CEUS) in qualitative and quantitative evaluation of dynamic circulation pattern of choroidal melanoma.Methods Tumor fragments of choroidal melanoma were implanted into the suprachoroidal space of the right eyes in 10 rabbits,with the left eyes as the controls.After 4 weeks,rabbits eyes were harvested for examined using ultrasonic imaging,color doppler flow imaging,and CEUS,and the images were analyzed with SonoLiver software.Results The proportion of rabbits with choroidal melanoma formation was 80.0％,with 2 cases dead.The maximum major diameter of the tumor was (0.92 ± 0.28) cm and (0.66 ± 0.30) cm.The maximum intensity,rise time,time to peak,mean transit time and area under curve was (263.56 ±143.33)％,(5.01 ± 1.42)s,(6.17 ±2.18)s,(18.01 ±7.56)s,(4505.13 ± 1491.75)％ respectively,while the rising slope and descending slope was 59.48 ± 75.18 and-7.21 ±5.76 accordingly.And the peak intensity,area under curve and descending slope of choroidal tumor was larger than those of normal eyes (all P ＜ 0.05),while no significant difference was found in rise time,time to peak,mean transit time and rising slope (all P ＞ 0.05).Conclusion Suprachoroidal implantation of tumor fragments can facilitate the formation of the stable animal model of choroidal melanoma.And CEUS application has a great clinical value in qualitative and quantitative evaluation of blood circulation in melanoma.

Down-regulation of COX-2 expression inhibits proliferation and promotes apoptosis in human colon cancer cell line HT-29 / 基础医学与临床

Objective To explore effect of cyclooxygenase-2 ( COX-2) expression on cell viability , proliferation, apoptosis and other biological behavior of human colon cancer cell line HT-29.Methods The expression of COX-2 was examed by Western blot and real-time PCR after siRNA COX-2, empty body was transferred into human color-ectal cancer cell line HT-29 by liposome .Cell viability was measured by CCK-8 method .Cell apoptosis and cell cy-cle was measured by flow cytometry .Cell migration and invasion was detected by scratch test and Transwell method , respectively.The expression of Bcl-2, Bax, matrix metalloproteinase 2 (MMP2) was measured by real-time PCR. The level of protein kinase B ( AKT) phosphorylation was measured by western blot .Results Compared with the control group and empty vector group, the expression of COX-2 protein and mRNA was decreased ( P<0.01) , cell viability was reduced ( P<0.01) , cell apoptotic rate was increased ( P<0.01) , cell cycle was arrested in G phase ( P<0.01 ) , cell migration and invasion ability was decreased ( P<0.01 ) , the expression of Bcl-2, MMP2 mRNA and p-AKT protein was down-regulated (P<0.01), the expression of Bax mRNA was up-regulated in COX-2 inhibition group ( P<0.01 ) .Conclusions Down-regulation of COX-2 expression can significantly inhibit HT-29 cell proliferation , migration and invasion , and induce cell apoptosis , which may be related to the down-reg-ulation of AKT phosphorylation .

Prospective study on associations between levels of total cholesterol, triglyceride and risk of ischemic and hemorrhagic strokes / 中华心血管病杂志

<p><b>OBJECTIVE</b>To explore associations between levels of total cholesterol (TC), triglyceride (TG) and incidence of ischemic and hemorrhagic strokes in populations.</p><p><b>METHODS</b>Baseline investigations on stroke-related risk factors and physical examinations were performed in 10 093 (> 35 years) stroke-free urban community residents from 5 cities in China during May to July in 1987, follow-up investigations on stroke events were made during 1998 to 2000. The hazard ratios and 95% confidence intervals (CI) of ischemic and hemorrhagic strokes in middle, high tertiles of baseline TC or TG levels were compared with low baseline tertile residents using the Cox regression model.</p><p><b>RESULTS</b>There were 491 first strokes during the 8-years cohort follow-up. Compared with the low tertile, risk of ischemic stroke in the middle and high tertiles of TC level was increased by 61% (HR: 1.61, 95%CI: 1.14-2.27) and 58% (HR: 1.58, 95%CI: 1.12-2.22) after adjustments for DBP, age, sex and other variables in the Cox proportional hazards model. Compared with the low tertile, risk of ischemic stroke in the high tertile of TG level was increased by 43% (HR: 1.43, 95%CI: 1.02-2.00). However, risk of hemorrhagic stroke in the middle and high tertiles of TC level decreased by 12% (HR: 0.88, 95%CI: 0.64-1.22) and 33% (HR: 0.67, 95%CI: 0.48-0.95) compared with the low tertile.</p><p><b>CONCLUSIONS</b>Elevated serum TC and TG are independent risk factors for risk of ischemic stroke. However, low TC was related with increased risk of hemorrhagic stroke.</p>

Association of single nucleotide polymorphisms of kallikrein 1 gene with cerebral hemorrhage in Changsha Han Chinese / 中华医学遗传学杂志

<p><b>OBJECTIVE</b>To explore the association between single nucleotide polymorphisms (SNPs) of KLK1 gene and cerebral hemorrhage in Changsha Han Chinese.</p><p><b>METHODS</b>Two hundred and seventy-three cerebral hemorrhage (CH) patients and 140 healthy controls were collected. The SNPs of rs5516 and rs5517 loci of KLK1 gene were analyzed by SNaPshot methods and direct sequencing.</p><p><b>RESULTS</b>(1)Genotype and allele frequencies in rs5516 locus had no difference between the CH patients and controls (P> 0.05). However, the A allele frequency of the rs5517 locus in CH patients was higher than that in the control group (0.419, 0.321 respectively, P< 0.05). (2)In the control group,the levels of diastolic blood pressure (DBP) of the GA and AA genotype carriers of the rs5517 locus were significantly higher than those of the GG genotype (P< 0.05), while the levels of blood pressure were not significantly different among different genotypes of the rs5516 polymorphism in both CH patients and the control group(P> 0.05).</p><p><b>CONCLUSION</b>Author's preliminary results suggested that the rs5517 polymorphism was associated with cerebral hemorrhage, while the rs5516 polymorphism was not in Changsha Han Chinese.</p>

Differentiation of hypoxic-ischemic encephalopathy and acute bilirubin encephalopathy with magnetic resonance imaging in neonates / 中国当代儿科杂志

<p><b>OBJECTIVE</b>To investigate the value of conventional magnetic resonance imaging (MRI) and diffusion weighed imaging (DWI) in the differentiation of hypoxic-ischemic encephalopathy (HIE) and acute bilirubin encephalopathy in neonates.</p><p><b>METHODS</b>The MRI findings along with DWI characteristics in 15 neonates with HIE involving basal ganglia and in 18 neonates with acute bilirubin encephalopathy between November 2006 and June 2008 were retrospectively reviewed.</p><p><b>RESULTS</b>On T1WI, only 5 patients presented hyperintensity in the globus pallidus in the HIE group, but 16 in the acute bilirubin encephalopathy group (p<0.01). Nine patients in the HIE group showed hyperintensity in the putamen, but the hyperintensity in the putamen was not found in the acute bilirubin encephalopathy group. The frequency of hyperintensity in the subthalamus in the acute bilirubin encephalopathy group (55.6%) was significantly higher than that in the HIE group (13.3%) (p<0.05). Eight patients in the HIE group showed abnormal signals in the other regions on T1WI, but only two patients in the acute bilirubin encephalopathy group (p<0.05). On DWI, 7 out of 11 patients with HIE presented hyperintensity in the basal ganglia, while all 10 patients of the acute bilirubin encephalopathy group presented normal in the basal ganglia.</p><p><b>CONCLUSIONS</b>Conventional MRI along with DWI is useful in differentiating HIE from acute bilirubin encephalopathy in neonates.</p>

Clinical and pathologic features of melanocytic lesion of the central nervous system / 中南大学学报(医学版)

OBJECTIVE@#To investigate the clinical and pathologic features of melanocytic lesion of the central nervous system.@*METHODS@#We analyzed the clinical features, neuroimages, and operational and neuropathological findings of 2 patients of neurocutaneous melanosis and 4 patients of primary leptomeningeal melanoma.@*RESULTS@#All the 6 patients had the common clinical features of intracranial hypertension and epilepsy. Brain CT and MRI showed abnormal signals. More melanin pigment nevi were found on the skin of the 2 patients subjected to neurocutaneous melanosis. The other 4 patients subjected to primary leptomeningeal melanoma had no melanin pigment nevus on the skin, but the brain section displayed positive meningeal melanoma.@*CONCLUSION@#Intracranial hypertension and epilepsy are the main clinical manifestations of melanocytic lesion of the central nervous system, and cutaneous lesion and radiological findings are very important for the diagnosis.

Evaluation on a community-based intervention program among people with different risk factors of stroke / 中华流行病学杂志

<p><b>OBJECTIVE</b>To evaluate the effect of a long-term community-based intervention program on risk factors of stroke among people with different risk factors.</p><p><b>METHODS</b>In 1987,2 geographically separated communities with 10 000 registered residents of each, were selected as either intervention or control communities in Beijing and Changsha. A cohort containing 2700 subjects at the age of 35 years or older,and free of stroke were sampled from each community. The baseline survey was conducted to screen the subjects at high risk for intervention and there were 5319 and 5506 subjects enrolled in intervention and control cohorts,respectively. Then,a program for controlling the risk factors of stroke was initiated in the intervention cohort and health education was provided to the whole intervention community. A follow-up survey was conducted in 1999. The information on incidence and mortality of stroke was collected.</p><p><b>RESULTS</b>Comparing with the control cohort, the risk of incidence and mortality of stroke decreased by 22 % ( HR = 0.78,95 % CI:0. 66-0.92) and 73 % (HR = 0.27,95 % CI:0. 17-0.42) in intervention cohort. The risks of stroke were lower in intervention cohort than in control cohort among almost all of the sub-groups with or without risk factors of stroke except for being male,current smokers and current alcohol drinkers. The risk of death caused by stroke decreased significantly in those with or without the risk factors of stroke.</p><p><b>CONCLUSION</b>The long-term community intervention on the risk factors of stroke could effectively reduce the risk of incidence and mortality of stroke among people with or without the risk factors of stroke. More attention should be paid to the males and those who smoke or drink alcohol.</p>

UrotensinⅡand Cerebrovascular Diseases / 国际脑血管病杂志

UrotensinⅡis the earliest active peptide detected from the teleost fish spinal cord, which is correlated with various risk factors of cerebrovascular diseases.This article reviews the latest advances in reasearch on urotensinⅡin cerebrovascular diseases,so as to provide assistance for urotensinⅡin the prevention and treatment of cerebrovascular diseases.

Study on the diagnosis, treatment and requirement of epilepsy patients in urban communities / 中华流行病学杂志

<p><b>OBJECTIVE</b>To investigate the diagnosis,treatment and requirement of epilepsy patients in some urban communities in China, and to provide the evidence of searching for effective treatment and management on epilepsy under the China's context.</p><p><b>METHODS</b>A face-to-face survey were conducted in 3 urban communities in Shanghai, Beijing and Changsha, respectively. The questions in the questionniare were general information, hospital visit, treatment, the level and way of getting on the knowledge of epilepsy, as well as the current obstacles and needs.</p><p><b>RESULTS</b>Most of the patients selected the regular hospitals (90.8%) and the departments (92.3%) for their epielspy diagnosis and treatment. They used AEDs modo dictu (77.4%), and had controlled the seizures quite well (82.6%). A small part of patients still could not deeply understand the basic knowledge on epilepsy (13.5%). They ignored to follow up the drug concentration (45.8%) in blood and the blood biocheminstry indicators (43.9%). Some patients went to private clinics (12.9%) and used lay people remedies (7.7%). Longtime waiting (36.8%), inconvenient traffic (23.2%), and high expenses (22.6%) were the main problems influencing the timely treatment. The main obstacles of the patients were employment (47.2%), marriage (29.9%), psychological conditions (44.4%) and interpersonal relationship (29.9%). The main requirements were the effectiveness (87.0%) and cheap AEDs (40.9%) as well as the convenience of hospital visit (37.0%).</p><p><b>CONCLUSION</b>It is very important to emphasize knowledge and publicity/education on epilepsy as well as the psychological treatment according to the requirements of patients.</p>

Evaluation of effectiveness of intervention on risk factors for cerebrovascular disease in three cities of China / 中华预防医学杂志

<p><b>OBJECTIVE</b>To evaluate the effects of community intervention on risk factors of cerebrovascular disease.</p><p><b>METHODS</b>With cluster sampling, 2,586 and 2,723 women and men aged 35 to 74 were selected randomly as intervention cohort and control cohort, respectively, from about 300 thousand community population in Beijing, Shanghai and Changsha, during 1997 to 2000. Their blood pressure, levels of blood lipid, body mass index (BMI) were measured and status of smoking and alcohol consumption were surveyed as indices of evaluation. Health education for smoking quit, alcohol consumption restriction and reinforced treatment for diabetic and hypertensive patients were implemented in the intervention communities. And, 2,544 and 2,533 persons in the two cohorts responded three years after intervention, and then all the indices mentioned above were measure again for them.</p><p><b>RESULTS</b>Average reduction in systolic blood pressure by 3.21 mm Hg and serum level of total cholesterol by 0.58 mmol/L was achieved in intervention cohort after intervention, but with 0.48 mmol/L increase in triglyceride. Average blood levels of both high density lipoprotein-cholesterol (HDL-C) and glucose increased in the two cohorts after intervention, but with 0.30 mmol/L net increase of blood glucose in control cohort. There was no significant difference in average increase of HDL-C between the two cohorts. BMI increased by 0.56 in control cohort, and no significant change in intervention cohort. Proportion of smoking decreased by 5.4% in men and 2.4% in women of intervention cohort, and no change in control cohort.</p><p><b>CONCLUSION</b>Level of risk factors for cerebrovascular disease reduced significantly with community intervention.</p>

Lipoprotein (a) and cerebral infarction in young adults / 中华流行病学杂志

<p><b>OBJECTIVE</b>To investigate the relation between lipoprotein (a) (LP(a)) and cerebral infarction in young adults.</p><p><b>METHODS</b>Serum LP(a) of 90 young adults (age below 45 years) with cerebral infarction was measured. Serum lipids include triglyceride (TG), total cholesterol (TC), high density lipoprotein cholesterol, low density lipoprotein cholesterol, apolipoprotein A-I (ApoA-I) and apolipoprotein B (ApoB) were also measured. Other possible risk factors such as hypertension, smoking, drinking and family stroke history were reviewed.</p><p><b>RESULTS</b>There was no significant difference of serum LP(a) value between stroke patients and controls. TG (P < 0.01) and ApoB (P < 0.01) values in patients with cerebral infarction were significant higher than those in controls. Lipoprotein (a) was correlated with total cholesterol and low density lipoprotein cholesterol, with the values of correlation coefficient (r) 0.28 and 0.23 (both P < 0.01). After adjustment for age, sex, hypertension, smoking, drinking alcohol, family stroke history and other serum lipids, the odd radio for LP(a) and cerebral infarction was 0.74 (95% CI: 0.27 - 1.98). The odd radio for elevated TG was 3.57 (95% CI: 1.34 - 9.49); The odd ratios for hypertension, heart diseases and smoking as risk factors for cerebral infarction in young patients showed as: hypertension OR = 8.18, 95% CI: 2.54 - 26.33; heart diseases: OR = 8.51, 95% CI: 2.27 - 31.85; smoking: OR = 3.21, 95% CI: 1.27 - 8.13.</p><p><b>CONCLUSION</b>LP(a) might not be a risk factor for cerebral infarction in young patients while elevated triglyceride, hypertension, heart diseases and smoking were important risk factors in young adults with cerebral infarction.</p>

Evaluation on a cohort based population intervention project regarding risk factors for cerebrovascular diseases / 中华流行病学杂志

<p><b>OBJECTIVE</b>To analyze the changes of risk factors in cerebrovascular diseases in cohort-based population after intervention and evaluating the intervention effect.</p><p><b>METHODS</b>In 1987, an intervention cohort and a control cohort were selected randomly in urban areas of Changsha. Risk factors in cerebrovascular diseases were investigated in two cohort populations aged over 35 years as baseline indication. Then comprehensive prevention of cerebrovascular diseases was carried out in intervention cohort during 1987 - 2000. After intervention for 14 years, a reexamination was taken in the two groups noted above.</p><p><b>RESULTS</b>After 14 years, the prevalence of diabetes mellitus, hypertension, mean systolic and diastolic pressure, weight increased from 33.8% to 35.7%, 30 to 129 per 10,000, 128.41 mm Hg to 134.49 mm Hg, 77.78 mm Hg to 78.54 mm Hg, 54.80 kg to 57.78 kg in the intervention group, respectively while the baseline indication increased from 35.9% to 56.8%, 30 to 228 per 10,000, 127.70 mm Hg to 141.80 mm Hg, 78.27 mm Hg to 82.89 mm Hg, 54.92 kg to 59.69 kg in the control one. The changes were of statistical significance in each group except diastolic pressure and the prevalence of hypertension in intervention group, but all the parameters increased significantly in the control group; rate of alcohol intake decreased significantly in two groups, but rate of cigarette smoking decreased with no significance. The changes between two groups were not significant either; the cumulative incidence of stroke was significantly lower in intervention cohort (3.4%) than in control cohort (4.7%).</p><p><b>CONCLUSION</b>The risk factors for cerebrovascular diseases (such as hypertension, diabetes mellitus etc.) were increasing along with by aging. Intervention programs can delay the increase of risk factors and down-regulate the incidence of stroke.</p>

Studies on anti-endotoxin activity of F022 from Radix Isatidis / 中国中药杂志

<p><b>OBJECTIVE</b>To study the anti-endotoxin activity and mechanism of F022 from Radix Isatidis.</p><p><b>METHOD</b>The production of TNF-alpha and IL-6 of murine peritoneal macrophages stimulated by LPS was measured by ELISA. The temperature in rabbits was tested after i.v. administration of LPS. The lethality of BCG-primed mice was induced by LPS.</p><p><b>RESULT</b>If F022 was added to macrophages culture simultaneously with LPS or 1 h before addition of LPS, production of TNF-alpha and IL-6 by macrophages was remarkably inhibited in vitro. F022 inhibited the fever induced by LPS in rabbits and protected BCG-primed mice from LPS induced lethality if given before administration of LPS.</p><p><b>CONCLUSION</b>The anti-endotoxin effect of F022 may inhibit LPS binding to its receptor, and it may be a LPS receptor antagonist.</p>