OBJECTIVE:To develop a simple but practical evaluation system of pharmacoeconomics.METHODS:The data base of this system was built up using the SQL Server 2000.Delphi was used as programming tool to develop an evaluation system of pharmacoeconomics.RESULTS:This system has good human-computer interfaces,including the interfaces of data input,cost-effectiveness analysis,cost-benefit analysis and cost-utility analysis.The sensitivity analytic results consisted of the computed results of simple analysis,bootstrap analysis and rank-order stability analysis.CONCLUSION:System testing indicates the system is simple in operation and reliable in analytical results,which thus deserves to be popularized.

Objective To investigate the distribution of rick factors between intracerebral hemorrhage(ICH) and coronary heart disease (CHD) in Tongliao city in Innermogolia. Methods Medical records(departments of medical neurology and cardiovascular internal medicine in 2003~2005) were randomly selected from 6 general hospitals above the second class in Tongliao city Innermogolia .All the risk factors of the cartain diseases were carryed on retrospective investigation analysis. Results All the survey index have significantly statistical difference in the basic data. Single-factor non-conditional Logistic regression analysis showed 10 risk factors including the gender, age, nation, smoking, hypertension, history of hypertension, alcohol drinking, glucose(GLU), history of diabetes and triglyceride(TG) have significantly statistical difference. These 10 risk factors were taken into multifactor stepwise regression model. 8 risk factors( gender, age, smoking, history of hypertension, history of diabetes,GLU,TG and hypertension) had significantly statistical difference. Conclusions Compared with CHD, the influence of age, smoking, history of diabetes and TG are lower, and the influence of the gender, the history of hypertension, GLU and hypertension are higher in ICH.

OBJECTIVE To realize the present resistance characteristics of enterococci to common antimicrobial agents,and to provide reference for clinical therapy. METHODS A total of 79 isolates of enterococci were collected from samples during the period of 2000-2003.The broth microdilution test and ?-lactamase determination were performed for each of the strains.The laboratory data were analyzed. RESULTS The rates of Enterococcus faecalis and E.faecium were 73.4%,and 26.6% of all enterococci isolates.The most common sites of infection were urinary tract(35.4%),surgical secretion(24.1%),and sputum(15.2%).The rate of E.faecium approached 50% of enterococci in urinary tract.The antibiotic resistance of E.faecium was more than E.faecalis to ampicillin,penicillin,and rifampin.The ratio of HLAR enterococci and VRE to total enterococci isolates were 61.9% and 0;?-lactamase producing rate was 6.3%. CONCLUSIONS Urinary infection caused by enterococci is most frequent.E.faecium is found more easily in urinary tract than in the others and very resistant to antibiotics.Vancomycin shows fairly high activity against enterococci.The different regimens should be adopted for different enterococci.

AIM:To investigate the effect of pyrrolidine dithiocarbamate (PDTC),a specific inhibitor of NF-?B on the proliferation and apoptosis of K562 cells and to explore the anti-tumor mechanism of PDTC.METHODS:Trans AMTM NF-?B p65 kit was used to detect the activity of p65 in K562 cells treated by PDTC. The effect of PDTC on the proliferation of K562 cells was measured by WST-1 method. DNA damage was detected by single cell gel electrophoresis (comet assay). The procaspase-3 and activated protein level of caspase-3 were detected by Western blotting.RESULTS:The activity of p65 in K562 cells was inhibited after treated by PDTC (P

AIM: To investigate the effect of pyrrolidine dithiocarbamate (PDTC), a specific inhibitor of NF-κB on the proliferation and apoptosis of K562 cells and to explore the anti-tumor mechanism of PDTC.METHODS: Trans AM~(TM) NF-κB p65 kit was used to detect the activity of p65 in K562 cells treated by PDTC. The effect of PDTC on the proliferation of K562 cells was measured by WST-1 method. DNA damage was detected by single cell gel electrophoresis (comet assay). The procaspase-3 and activated protein level of caspase-3 were detected by Western blotting.RESULTS: The activity of p65 in K562 cells was inhibited after treated by PDTC (P<0.01). Simultaneously the cell proliferation was significantly inhibited in a dose-and time-dependent manner (P<0.01). The degree of DNA damage in K562 cells treated with PDTC at concentrations of 25 μmol/L, 50 μmol/L or 100 μmol/L was more severe than that in control. The rates of comet cells in the PDTC-treated groups (43.50%, 84.00%, 95.63%) were significantly higher than those in control (9.75%, P<0.01), and it was also dose-dependent. The expression of procaspase-3 and activated caspase-3 protein were detected in the cytoplasm of the K562 cells treated by PDTC by Western blotting.CONCLUSION: NF-κB plays an important role in regulating cell proliferation and apoptosis in K562 cells. PDTC inhibits NF-κB activity and elevates the expression of caspase-3, which is related to increase in cell apoptosis.

ObjectiveTo investigate the disruption of blood-brain barrier (BBB) after brain trauma in rats using IgG immunohistochemical staining.MethodsAn impact-acceleration head injury model was established with rats. Histological changes of rats' brains were observed by HE staining and light and electron microscopes at 1 h, 6 h, 24 h and 7 d after injury, and BBB permeability was analyzed semi-quantitatively by IgG immunohistochemical staining at the same time points.ResultsThe spot bleeding and brain edema was present in the damage region after brain trauma and endothelial cell damage and astrocyte swelling could be found under electron microscope. The extravasations of IgG was detected in the injured hemisphere of rats at 1 h, and achieved the peak at 6 h, remained a high level up to 24 h, and decreased at 7th d.ConclusionThe disruption of BBB function occurs after brain trauma in rats, and detection of IgG extravasations tested by immunohistochemical staining is a simple and sensitive way to investigate BBB permeability.

Acupuncture Therapy ; Child, Preschool ; Female ; Hand, Foot and Mouth Disease ; complications ; Humans ; Infant ; Male ; Paraplegia ; etiology ; therapy

Objective To observe the effect of vitamin A(VitA) on T help 17(Th17) and regulatory T cells (Treg) in the peripheral blood in children with asthma and their dose effect relationship,and to investigate the immunoregulation mechanism of VitA.Methods Twenty children with asthma (asthma group) and 16 healthy children (healthy control group) were selected.Peripheral blood mononuclear cells(PBMC) were isolated from venous blood by density gradient centrifugation in the aseptic condition.Different concentrations of VitA [0.0μmol/L (blank control),0.5μmol/L,1.0μmol/L,2.0μmol/L] were added into the cultures in the asthma group.The healthy control group were not interfered with VitA.The supernatant was collected after 72 h.The levels of interleukin 17 (IL-17),interleukin 10(IL-10) and transforming growth factor-β1 (TGF-β1) in the supernatant were determined by enzyme-linked immunosorbent assay.Results (1) IL-17 levels produced by PBMC in the asthma group were significantly higher than those in the healthy control group [(960.53±75.59) ng/L vs (425.07±70.71) ng/L,P＜0.01],and the levels of IL-10 and TGF-β1 were significantly lower than those in the healthy control group [(53.13±6.94)ng/L vs (84.41±6.02) ng/L,(304.51±51.52) ng/L vs (489.45±73.68) ng/L,all P＜0.01].(2) IL-17 levels produced by PBMC in the 0.5μmol/L,1.0μmol/L and 2.0μmol/L VitA concentration of the asthma group [(588.95±44.18)ng/L,(573.13±27.43) ng/L,(686.71±38.98) ng/L] were significantly lower than those in the blank control group[(960.53±75.59) ng/L,all P＜0.01],and IL-17 levels in the 2.0 μmol/L VitA concentration were significantly higher than those in 0.5μmol/L and 1.0μmol/L concentration groop (P＜0.01).(3) IL-10 levels produced by PBMC in the 0.5μmol/L,1.0μmol/L and 2.0μmol/L VitA concentration of the asthma group [(105.35±10.79) ng/L,(111.21±16.11) ng/L,(81.09±6.05) ng/L] were significantly higher than those in the blank control group[(53.13±6.94) ng/L,all P＜0.01],TGF-β1 levels produced by PBMC in the 0.5μmol/L,1.0μmol/L and 2.0μmol/L VitA concentration of the asthma group[(933.01±73.98) ng/L,(1223.31±105.99)ng/L,(776.98±145.44) ng/L] were significantly higher than that in blank control group[(304.51±51.52) ng/L,all P＜0.01],and the levels of IL-10 and TGF-β1 in the 0.5 μmol/L and 1.0μmol/L concentration group were significantly higher than those in the 2.0μmol/L concentration group(all P＜0.01).The level of TGF-β1 in the 1.0μmol/L concentration group were significantly higher than that in the 0.5μmol/L concentration group (P＜0.01).Conclusions The function of Th17 in children with asthma during asthma attack was enhanced,and the function of Treg cells was reduced.The balance disorder of the functions of Th17 and Treg cells occurred.VitA can reduce the function of Th17 in peripheral blood,and enhance the activity of Treg cells in the children with asthma.The physiological level of VitA has the best effect,if high VitA concentration is high its effect is significantly decreased.

AIM: To observe the changes of transient receptor potential channel 5 (TRPC5) in vascular smooth muscle cells ( VSMCs) of apolipoprotein E-knockout ( ApoE-/-) mice and the effect of atorvastatin interference, and to investigate the mechanism of atorvastatin therapy.METHODS:Male ApoE-/-mice at 6 weeks of age were used to establish the atherosclerosis model by feeding with hyperlipidic diet.The mice were randomly divided into model group and atorvastatin group.The mice in atorvastatin group were lavaged with atorvastatin at 20 mg· kg-1 · d-1 , while the mice in model group received normal saline.The healthy C57BL/6J mice with the same age and the same genetic background, feeding with ordinary food, served as control group.At the time points of 14 and 24 weeks, the mice were sacrificed.The serum was collected for detecting the lipid levels.The aortic roots of the heart were taken to make paraffin sections with HE staining for measuring and comparing the relative atherosclerotic plaque area in each section.The expression of TRPC5 in VSMCs was examined with immunohistochemical staining.The mRNA levels of TRPC5 in the serum and the thoracoabdom-inal aorta were measured by real-time PCR.RESULTS: Compared with model group, blood lipids in atorvastatin group were significantly decreased, and the formation of plaque under aorta intima also decreased.The protein expression of TR-PC5 in atorvastatin group decreased significantly compared with model group.Compared with 20-week model group, TRPC5 in 30-week model group showed increasing tendency, but has no statistical significance.Compared with 20-week atorvasta-tin group, TRPC5 of 30-week atorvastatin group declined.CONCLUSION: Atorvastatin suppresses TRPC5 expression, thus attenuating atherosclerotic development in ApoE-/-mice.

Objective To investigate the mechanism of the pathogenesis of diabetic nephropathy (DN) by detecting the expressions of transforming growth factor (TGF)-β, Smad proteins andα-smooth muscle actin (α-SMA) in kidney biopsy of patients with diabetic nephropathy (DN). Methods Twenty-eight patients with DN who underwent renal biopsy were col-lected as DN group. Ten subjects without DN who underwent nephrectomy were taken as control group. The expressions of TGF-β1, TGF-βRⅠ,TGF-βRⅡ,Smad2/3 andα-SMA in renal tissues were detected by immunohistochemistry stain. Results (1)TGF-β1,TGF-β RⅠ,TGF-β RⅡ,and Smad2/3 were expressed in the glomeruli and tubules of both DN group and control group, while the expressions of TGF-βand Smad proteins were significantly higher in DN group than those in control group. At the early stage of DN, TGF-βand Smad proteins were significantly expressed even though there was no remarkable lesions observed by light microscopy. There was no correlation between increased expression and the progres-sion of DN. These proteins were not expressed after glomerulus and renal tubule fibrosis. (2) In control group,α-SMA was identified only in the vascular walls, glomerulus and renal tubules, while it was expressed in almost all parts of kidney in DN group. Conclusion TGF-β and Smad signals involved in the pathogenesis of DN, which may have similar pathogenesis with immune complex glomerulonephritis.