Kushenhuangqi Injection is made from Chinese herb medicine flavescent sophora and astragalns roots.Seventy-one patients with malignant pleural effusion were randomly divided into two groups: 36 patients were treated with both intrathoracic Kushenhuangqi Injection and chemotherapeutic agent cisplatin (treatment group) and 35 patients were treated with cisplatin alone.The response rate of treatment group was significantly higher than that of control group (31/36 vs 20/35,u=3.020,P<0.01).The rate of adverse reaction (leucopenia,nausea,vomiting etc.) in treatment group was significantly lower that that of control group.The results indicate that Kushenhuangqi Injection can enhance the therapeutic effect of chemotherapeutic agent and reduce its adverse reaction in treatment 0f malignant pleural effusion caused by carcinoma of the lungs.

BACKGROUND: With the rapid development of tissue engineering, a single biological scaffold material is hard to meet the needs of tissue engineering. Therefore, composite scaffolds with excellent performance will be obtained by combining two or more kinds of materials.OBJECTIVE: To detect the adherence and proliferation of dental pulp stem cells on the Chitosan-fibrin composite scaffold.METHODS: Dental pulp stem cells were isolated and extracted from C57 neonatal rats through modified enzyme-digestion method, and subcultured to the third generation, followed by adipogenic and osteogenic induction in vitro. Then, induced cells were identified. The chitosan-fibrinogen composite scaffold was prepared, and the pore size and porosity were determined. The chitosan-fibrin composite scaffold was co-cultured with passage 3 dental pulp stem cells to observe the cell proliferation by MTT assay, and the morphology of the composite scaffold, cell adhesion,proliferation and extracellular matrix secretion were observed under scanning electron microscope. In addition, the cells were inoculated directly on the bottom of culture plate as controls.RESULTS AND CONCLUSION: The dental pulp stem cells were successfully isolated and cultivated, and positive for osteogenic and adipogenic differentiation. The pore size and porosity of the composite scaffold was (105.32±22.10) μm and (87.714±1.276)%, respectively. The S-shaped proliferation curve in the experimental group was similar with that in the control group; the proliferation rate in the experimental group was significantly higher than that in the control group after 4-8 days of culture (P < 0.05). At the 2nd day after co-culture, the cells adhered tightly and grew well onto the composite scaffold; at the 4th day, enlarged cells began to proliferate obviously with abundant extracellular matrix; the surface and pores of the scaffold were full of cells at the 6th day. These results indicate that the chitosan-fibrin composite scaffold is suitable for the adhesion and proliferation of dental pulp stem cells.

Objective To investigate the relationship between renal sympathetic nerve activity and the severity of heart failure in dogs with chronic heart failure ( CHF) .Methods CHF were induced by ab-dominal aorta constriction.Plasma renin activity ( PRA) , adrenaline ( E) , and noradrenaline ( NE) were determined in 9 dogs with CHF (CHF group) and 3 sham-operated dogs (control group).Results E, NE, PRA, and B-type natriuretic peptide ( BNP) were significantly higher in CHF group than those in con-trol group (all P <0.01).Compared to 10-week post-operation, PRA [(2.08 ±0.08)ng/(ml? h) vs (2.26 ±0.16)ng/(ml? h)], NE [(184.01 ±11.76)pg/ml vs (202.99 ±16.54)pg/ml] and BNP [(85.87 ±11.41)μg/ml vs (100.41 ±9.24)μg/ml] were significantly increased in the 12-week post-op-eration (all P <0.01).PRA [10 weeks post-operation:(2.13 ±0.08)ng/(ml? h) vs (2.02 ±0.05)ng/(ml? h);12 weeks post-operation:(2.38 ±0.09)ng/(ml? h) vs (2.11 ±0.07)ng/(ml? h)] and NE [10 weeks post-operation: (191.75 ±8.40) pg/ml vs (174.33 ±7.08) pg/ml;12 weeks post-operation:(215.69 ±6.26)pg/ml vs (186.36 ±7.98)pg/ml] were higher in high BNP group than those in low BNP group both in 10 and 12 weeks post-operation ( P =0.013, P =0.013, P =0.002, respectively).Con-clusions PRA was increased in dogs with CHF and associated with the severity of CHF.

Objective To explore the effect of black garlic extract on HeLa cells and its possible molecular mechanisms.Methods Inhibitory rate of HeLa cells was detected with methyl thiazolyl tetrazolium(MTT).Flow cytometry annexin V-fluorescein isothiocyanate/propidium iodide (V-FITC/PI) was used to detect tumor cell apoptosis.Flow cytometry was used to measure cell-cycle changes.Immunohistochemistry method was used to detect expressions of tumor proteins bax and Bcl-2.Results Black garlic extract significantly inhibited the growth of HeLa cells.Black garlic extract significantly induced apoptosis of HeLa cells.The apoptosis rate was (53.26 ± 1.78)％ in the black garlic high-dose group,and (3.68 ±0.11)％ in the control group.Black garlic extract affected cell cycle,upregulated bax expression,and downregulated bcl-2 expression.Conclusions Black garlic extract significantly induced the apoptosis of HeLa cells.This effect might be caused through increasing G2/M cells or changing expressions of bax and bcl-2.

Objective To explore absorption kinetics of roxatidine acetate hydrochloric (ROX) in intestine of rats.Methods The absorption kinetics and permeability of ROX under different concentrations and different intestinal segments were investigated by double wavelength spectrophotometry via the in situ perfusing method in rats.Results There was no significant difference in Ka of ROX under different concentrations.The absorption rate in rats descended in order of duodenum,jejunum,ileum and colon [(3.87±0.12)×10-2,(2.53±0.18)×10-2,(1.43-±0.10)×10-2,(0.91±0.15)×10-2 · h-1].Conclusion The absorption of ROX in intestine complies with the passive transport mechanism and first order kinetics.ROX is well absorbed in thewhole intestine.

Objective To investigate the effect of renal sympathetic denervation (RSD) on the activity of renalase in dogs with chronic heart failure (CHF).Methods After induced by abdominal aorta constriction,dogs were divided into three groups according to whether they underwent double renal artery ablation:2 dogs in control group,2 dogs in sham-operated group (no renal artery ablation),and 5 dogs in RSD group (renal artery ablation).Plasma noradrenaline (NE),B-type natriuretic peptide (BNP),and renalase were determined in 5 dogs with RSD (RSD group),2 control dogs (control group),and 2 shamoperated dogs (sham-operated group).Results NE,BNP and heart rate were significantly higher and renalase was lower in CHF group than those in control group (all P ＜ 0.05).Compared to the control dogs with CHF,the levels of renalase were significantly increased in 6 weeks after RSD [(1 948.78 ±49.19) ng/ml vs (1 847.35 ±20.72)ng/ml,P =0.029],and NE [(166.30 ±7.68)pg/ml vs (181.29 ±8.57)pg/ml],and BNP [(75.10 ± 5.58)lμg/ml vs (89.79 ± 2.04) μg/ml] were decreased in 8 weeks after RSD (all P ＜ 0.05).An decreased trend of the levels of renalase was observed in 8 weeks than in 6 weeks in CHF dogs after RSD,without significant difference (P ＞ 0.05).Conclusions The activity of renalase in dogs with CHF can be affected by RSD.

OBJECTIVE:To establish drug use evaluation(DUE)criteria for tigecycline,and to provide reference for rational use of tigecycline. METHODS:Based on tigecycline instructions,referring to related specifications and literatures,DUE criteria for tigecycline was established. And on a basis of it,referring to DUE criteria,in retrospective study,the utilization of tigecycline in 179 inpatients of some one hospital during Nov. 2012-Oct. 2016 was evaluated and analyzed in respects of management indexes, medication indication,medication duration,medication results,etc. RESULTS:The results for DUE of tigecycline in this hospital was that the proportion of patients with consultation records was 83.2%(aiming at 100%);microbial inspection rate was 90.5%(aiming at 80%);the coincidence rate of medication indication was 98.9%(aiming at 90%);the rates of solvent selection,ad-ministration route,drug interaction,incompatibility,drug use in special populations meeting the criteria were all 100%(aiming at 100%);the rate of prescribing authority was 20.1%(aiming at 100%);the rate of drug dosage and medication interval meeting the criteria were 7.3%(aiming at 100%);response rate was 54.7%(aiming at 80%). CONCLUSIONS:Established DUE criteria of tigecycline can standardize the clinical utilization of tigecycline.

Objective To analyze the infection status and variation tendency of chlamydia trachomatis (CT) ,Neisseria gonorrhoe-ae(NG) and ureaplasma urealyticum(UU) in female genital tract in northeast Sichuan province during 2005 -2012 to provide the laboratory basis for their diagnosis and treatment Methods The real-time fluorescent quantitative PCR (RT-PCR) was applied to detect the CT DNA ,NG DNA and UU DNA in 1 386 samples from female genital tract and the detection results were performed the statistical analysis .Results The total positive rate of these 3 kinds of pathogens was 62 .8% (871/1 386) .Among the simple in-fection ,UU had the highest positive rate(48 .0% ,665/1 386);the positive rates of CT and NG were only 2 .2% .In the mixed infec-tion ,the positive rate of CT + UU was highest(6 .5% ,90/1 386) ,while which of UU + NG ,CT + NG and CT+ NG+ UU was 2 .5% (35/1 386) ,0 .4% (5/1 386) and 1 .1% (15/1 386) respectively .In different age groups ,the positive rate in the age <20 years old group was 49 .3% ,while which in the age >20 years old groups were all more than 60% .The positive rate of the CT ,NG and UU pathogens in females was in continuous high level during 2005 -2012 ,and which totally showed an increasing tendency . Conclusion CT and UU are the main pathogens in female genital tract infection in this region ,and the positive rate of genital tract infection in females aged more than 20 years is higher ,the infection rate of these 3 kinds of pathogens demonstrates the increasing trend year by year ,so more attention should be paid to the detection of CT and UU in this group for guiding the clinicians to con-duct the diagnosis and treatment .

BACKGROUND:Stable and efficient labeling of dental pulp stem cel s in vitro is most important in tracer technique, which is also the basis of tooth regeneration in vivo.
OBJECTIVE:To determine the optimal condition and method for transfection of stem cel s derived from rat dental pulp with green fluorescent protein infection by lentiviral vector and to determine whether green fluorescent protein-labeled dental pulp stem cel s maintain their stem cel properties.
METHODS:Rat dental pulp stem cel s were obtained by modified enzyme digestion method, to identify the immune phenotype and differentiation potential. Dental pulp stem cel s were infected with green fluorescent protein by lentiviral vector for 24 and 48 hours at different multiplicity of infection (MOI) (5, 10, 25, 50 and 100). The infection efficiency and fluorescence intensity were analyzed by inverted fluorescent microscopy. The clonal and proliferation ability, cel cycle and the mineralization potential were compared before and after transfection. Based on those mentioned above, we could evaluate the influence of infection on their biological characteristics.
RESULTS AND CONCLUSION:Flow cytometry results showed that rat dental pulp stem cel s expressed STRO-1 and CD146 but not CD34 or CD45. The dental pulp stem cel s could differentiate into osteoblasts and
adipocytes when cultured in specific medium for each lineage differentiation. The highest efficiency of infection and strongest fluorescence expression appeared at 48 hours of infection and MOI 50. There were no significant differences in growth ability, cel colony formation rate and cel cycle before and after transfection (P>0.05). And the alkaline phosphatase expressed positively. Infection for 48 hours at MOI 50 is optimal for transfecting dental pulp stem cel s with green fluorescent protein by a lentiviral vector, thereby providing reliable tracer method for the study of rat dental pulp stem cel s in vivo.

Objective To study the main subtypes messenger ribonucleic acid(mRNA) and the basal enzyme activity of phosphodiesterase (PDE) in rat pulmonary microvascular endothelial cells (PMVECs) through the examination mRNA expression and activity of PDE in vitro. The data were offered to reveal the relationship between PDE distributions, activity change and to accumulate data for the possibility of drug regulation of its functional alteration. Methods The cells were cultured with tissue-sticking method;the gene expression of PDEs was detected by reverse transcript polymerase chain reaction (RT-PCR), and the activity of PDEs was calculated by cyclic nucleotides content change examined with high performance liquid chromatogram (HPLC) before and after the PDE reaction( n ＝3). Results The PMVECs identified by cell immunofluorescence with polyclonal antibody of CD31 were dissociated and cultured, mRNAs of PDE1A, 1C, 2A,3A, 3B, 4A, 4D, 5A, 7A, 7B, 8A, 8B, 9A, 10A,11A were expressed in PMVECs, but there was no mRNA of PDE1B expressed in PMVECs. cAMP/cGMP-PDE in the extent of 5-20μl had a good linear correlation with its activity. Conclusion There are 17 kinds of PDE gene expression existing in PMVECs which contain of the basic enzyme with a higher activity.