Objective: To explore the risk association of ABCA1-V771M polymorphism with coronary heart disease (CHD) in Han nationality in Northwest of China. Methods With case-control study, ABCA1-V771M polymorphism was detected in 204 unrelated Han nationality people in Northwest of China, and all the subjects by coronary angiography were grouped into 106 cases and 98 controls. The genotypes and alleles frequency distribution of ABCA1-V771M polymorphisms were analyzed by PCR-RFLP analysis, and the clinical statistics of serum lipids were compared and its effects of ABCA1-V771M polymorphism on the plasma lipid levels and coronary atherosclerotic heart disease were analyzed. Results: The genotypic frequencies of ABCA1-V771M polymorphism matched well under Hardy-Weinberg equilibrium (P>0.05), V and M allelic frequencies were 33.3% and 66.7%. In comparison with VV+VM genotype carriers, MM genotypes carriers had much lower plasma levels of HDL-C (P<0.001) and much higher plasma levels of TG (P<0.05). M allelic frequency in CHD group was significantly higher than V allelic frequency (P<0.05). M allele was related with more severity of atherosclerosis in the coronary artery than V allele (P<0.05). However, there was no obvious difference in the incidence of AMI among carriers with three genotypes of ABCA1-V771M polymorphism (P>0.05). Conclusion: ABCA1-V771M polymorphism was not only associated with the plasma levels of HDL-C and TG, but also related to the susceptibility and severity of coronary atherosclerotic heart disease. Moreover, M771 allele appeared to be atherogenic among Han population in Northwest of China.

Objective: To explore the risk association of ABCA1-V771M polymorphism with coronary heart disease (CHD) in Han nationality in Northwest of China. Methods With case-control study, ABCA1-V771M polymorphism was detected in 204 unrelated Han nationality people in Northwest of China, and all the subjects by coronary angiography were grouped into 106 cases and 98 controls. The genotypes and alleles frequency distribution of ABCA1-V771M polymorphisms were analyzed by PCR-RFLP analysis, and the clinical statistics of serum lipids were compared and its effects of ABCA1-V771M polymorphism on the plasma lipid levels and coronary atherosclerotic heart disease were analyzed. Results: The genotypic frequencies of ABCA1-V771M polymorphism matched well under Hardy-Weinberg equilibrium (P>0.05), V and M allelic frequencies were 33.3% and 66.7%. In comparison with VV+VM genotype carriers, MM genotypes carriers had much lower plasma levels of HDL-C (P<0.001) and much higher plasma levels of TG (P<0.05). M allelic frequency in CHD group was significantly higher than V allelic frequency (P<0.05). M allele was related with more severity of atherosclerosis in the coronary artery than V allele (P<0.05). However, there was no obvious difference in the incidence of AMI among carriers with three genotypes of ABCA1-V771M polymorphism (P>0.05). Conclusion: ABCA1-V771M polymorphism was not only associated with the plasma levels of HDL-C and TG, but also related to the susceptibility and severity of coronary atherosclerotic heart disease. Moreover, M771 allele appeared to be atherogenic among Han population in Northwest of China.

Objective To contrast the different scale rule of hindlimbs locomotor function recovery after the rat spinal cord was injured.Methods A total of 40 rats were divided into 3 groups: normal group,spinal cord injury group(SCI)(Modified Allen method),and control group(CON)(only T_(10) laminectomy).To observe nerve functional recovery of hindlimbs after operation in 1w,2w,3w,4w,6w respectively.Score standard: Inclined plane method,Modified Tarlov grading,BBB scale and recording results.Results To contrast SCI group and control group,critical angle in incline plane test was decreased in 6 weeks(P0.05);in convalescence stage(from 1w to 6w),the degree of every one of BBB scales was distinguished(P

ObjectiveTo evaluate the relief of pain and daily activities in patients with osteolytic tumor of thoracic lumbar vertebrae by percutaneous kyphoplasty (PKP).MethodsA retrospective study was conducted to review 35 cases of osteolytic tumor of vertebrae treated with PKP.All patients had a refractories back pain while CT and MRI showed osteolytic changes in their vertebrae. The operation involved percutaneously inserting inflatable vertebral body and creating a cavity filled with bone cement.The visual analogue scales (VAS),WHO standards for pain relief and owestry disability index (ODI) were recorded after the procedures.The change of height in abnormal vertebrae and status of postoperative leakage of PMMA were also recorded.These data were followed up after 1 day,1 month and 6 months and analyzed via t student test.ResultsThe total 35 operations were done successfully.All patients got a conspicuous pain relief at 24 h after operation,and no spinal injury or compression was found.The X-ray showed that the vertebrates treated were filled well by cerment.There were significant differences at pain levels[(7.52±0.81)vs(4.31±0.32)],locomotor activity scales (ODI) [(69.45±0.87) vs (54.45±0.85)] and the height of vertebral bodies [(2.0±0.5) mm vs (2.7±0.4) mm] before and after operation (t value was -7.34,-5.32 and -3.36,respectively,P ＜ 0.05).At 6 months,follow up studies showed that clinic therapeutic effects were stabled for odynolysis and locomotor activity scales.The rates of pain relief in 24 h,1 month and 6 months were 80.0 ％ (28/35),85.7 ％ (30/35),82.8 ％ (29/35),respectively.ConclusionPKP is a single safe and effective way to treat osteolytic tumor of thoracic lumbar vertebrae.It can simply,quickly,and effectively relief the pain caused by osteolytic spinal tumor,recover height of the abnormal vertebra,and improve patient's life quality safely with less complications.

The spceics identification by the hemoglobin band patterns in blood stains using isoelectric focusing with amphotine made in China is reported. Forty different sorts of bloodstain from human and animals were studied. Although the ability of species identification of hemogolbin band patterns in blood stains is lower than those in hemolysates, but the indentification of humen blood stain and the blood stains from most different spcies of animads were achieved. With the exception blood stain indintification between human adult foetus and monkey as well as between five groups in classes of bird and fish Human adult blood stain could be distinguished much easily from animal's blood stains but not from human foetus ,if the blood stairis were pretreated with PCMB. It is concluded that the species indentification of blood staine using isoelectice focusing with ampholinemade in china is possible.

0.05).Operation time in group A was shorter than that in group B,with significant difference(P0.05).No postoperative complication was found in two groups.[Conclusion]Unilateral TLIE technique has achieved satisfying postoperative effect compared with bilateral TLIF,with a good prospect in clinical application.

BACKGROUND: Angiotensin Ⅱ (Ang Ⅱ) can induce cardiac hypertrophy and platelet-derived growth factor(PDGF) also stimulates cardiac hypertrophy. Is AngⅡ responsible for the pathogenesis of cardiac hypertrophy by inducing PDGF receptor expression?OBJECTIVE: To investigate the effect of mitogen activated protein kinase (MAPK) on the role of cardiac hypertrophy induced by Ang Ⅱ in cardiac myocytes so as to provide theoretical basis for clinical prevention and cure of cardiac hypertrophy.DESIGN: Controlled experimental study taking cardiac myocytes of cultured neonatal rats as subjects.SETTING: Department of pathophysiology in a university.MATERIALS: The experiment was completed in the Department of Pathophysiology, Medical College of Peking University. A total of 80 Wistar rats of either gender, aged 1 - 3 days, were provided by the Animal Center of Medical College, Peking University. Their hearts were removed for myocyte culture in the Cell Culture Laboratory.INTERVENTIONS: The cultured neonatal rat cardiac myocytes treated with 10-7mol/L Ang Ⅱ were Ang Ⅱ group, and those preincubated with 10-5mol/L PD98059(an antagonist of MAPK) for 30 minutes and then treated with Ang Ⅱ were PD98059 group. Cardiac myocytes of normal neonatal rats were as control group. The expression of PDGF-β was detected by western blot at 24 hours.MAIN OUTCOME MEASURES: Content of PDGF-β receptor in neonatal rat cardiac myocytes.RESULTS: The expression of PDGF-β receptor induced by Ang Ⅱ at neonatal rat cardiac myocytes markedly increased at 24 hours (432.41 ± 54.08) compared with that of control group(197.65 ± 44. 10) ( q = 6.77, P< 0.01 ). PDGF-β receptor expression of PD98059 group(317.2 ± 21.12) decreased compared with that of Ang Ⅱ group(q = 3.91, P < 0.05) .However, the expression did not return to the level of control group, and there was significant difference between PD98059 group and control group( q= 3.85, P <0.05).CONCLUSION: The results indicate that angiotensin Ⅱ promotes cardiac hypertrophy through inducing expression of PDGF receptor, in which mitogen activated protein kinase participates in. Maybe it is another important mechanism for Ang Ⅱ -induced cardiac hypertrophy. The results can provide experimental data for the primary and secondary prevention in heart rehabilitation.

Objective To investigate the relationship of complements C3 and C4 with essential hypertension and its risk factors, homocysteine (HCY) and blood lipids.Methods We selected 20 healthy subjects for physical checkup as control group and 45 patients with hypertension as hypertension group.According to The Guidelines for Prevention and Treatment of Dyslipidemia in Chinese Adults, the hypertension group was divided into lipid regulating therapy group and non-lipid regulating therapy group.We determined the levels of complements C3 and C4, HCY, total cholesterol, low density lipoprotein and apolipoprotein.Pearson linear correlation regression analysis was used to analyze the correlation of the complements with HCY and blood lipid indexes.Results Complements C3 and C4 were significantly higher in the hypertension group than in the control group (P<0.05).HCY was also significantly higher than that in control group (P<0.05).The Pearson linear correlation analysis showed that in the hypertension group Complement C3 was positively correlated with cholesterol, low density lipoprotein and apolipoprotein B (P<0.05).Complements C3 and C4 were not related to HCY (P=0.073, P=0.699).Compared with the non-lipid regulating therapy group, C4, cholesterol, low density lipoprotein and apolipoprotein B were significantly decreased in the lipid regulating therapy group (P<0.05).The Pearson linear correlation analysis showed that in the lipid regulating therapy group complements C3 and C4 were not related to low density lipoprotein (P>0.05) or to homocysteine (P=0.074, P=0.894).Conclusion Complements C3 and C4 are closely related to essential hypertension.Activation of the complement system is one of the important risk factors for hypertension.The lipid regulating therapy can significantly alleviate immune damage in patients with essential hypertension.Hyperhomocysteinemia is an independent risk factor for essential hypertension.

Objective: To study the protective effects and the mechanism of Salvia yunnanensis extract on hypoxia/reoxygenation injury in cultured rat H9c2 cardiomyocytes.Methods: The hypoxia/reoxygen (H/R) injury model was established in H9c2 cell strain with or without the extract of Salvia yunnanensis.The cultured H9c2 cardiomyocytes were randomly divided into 6 groups: the normal control (C) group, H/R group, H/R+verapamil (H/R+V) group, H/R+Salvia yunnanensis extract at low dose (H/R+L, 0.01 mg·L-1) group, medium dose (H/R+M, 0.1 mg·L-1) group and high dose (H/R+H, 1.0 mg·L-1) group.The cell viability was measured by MTT assay and the activity of malondialdehyde (MDA) and lactate dehydrogenase (LDH) was measured by a detection kit.Fluorescence absorbance (A) value was measured by a fluoroscopy to show the intracellular reactive oxygen species (ROS) levels.Results: Compared with that in the model group, the survival rate of myocardial cells was significantly higher in Salvia yunnanensis extract at low, medium and high dose groups (P＜0.05 or P＜0.01), and the intracellular LDH leakage (P＜0.05 or P＜0.01), the content of MDA in cytoplasm (P＜0.01) and the intracellular ROS levels significantly decreased in Salvia yunnanensis extract at high dose group (P＜0.05).Conclusion: The extract of Salvia yunnanensis has protective effect on hypoxia/reoxygenation injury in cultured rat H9c2 cardiomyocytes, and the mechanism may be related to the reduction of lipid peroxides and removal of cell oxygen free radicals.

AIM: To investigate the changes of G?q/11 and phospholipase C(PLC) of the aorta and to evaluate the role of signal transduction pathway mediated by G?q/11 in the pathogenesis of spontaneous hypertension. METHODS: Blood pressure was measured by intubation of carotid, and the level of plasma angiotension Ⅱ was measured by radioimmunoassay. In addition, G?q/11 and PLC contents in aorta were determined by Western blot analysis. RESULTS: Arterial blood pressure was not changed in 4-week-old spontaneously hypertensive rats(SHR), but it was increased markedly in 12-week-old SHR. The G?q/11 expression of aorta in 4-week-old SHR was increased by 69 2%( P