Acute Disease ; Adult ; Animals ; Brucellosis ; transmission ; Cattle ; blood ; Female ; Food Handling ; Humans ; Male ; Middle Aged ; Occupational Diseases ; etiology ; Sheep ; blood

Objective To evaluate therapeutic effects and toxicity of advanced non-small cell lung cancer (NSCLC)treated by combining chemotherapy on ifosfamide(IFO)and vinorelbine(NVB).Methods 107 cases pa- tients with advanced NSCLC were enrolled.IFO was given in a dosage of 1.5g/m~2 on day 1 to 4.and NVB in a dosage of 25mg/m~2 on day 1 and 8.It was repeated every three or four weeks,up to two to four cycles.Results Two patients had complete response and 40 patients had partial response.The overall response rate was 47.7% ,the median survival time 10.3 months,1-year and 2-year survival rate was 42% and 12.3%,respectively.The main toxicity was bone marrow suppression.Conclusion The regimen is effective,sale and tolerable in advanced non- small cell lung cancer therapy.

Caused by Helminthosporium carposaprum, tomato brown lea f spot was a serious disease in green house in Henan Province. The condition for promoting sporulation of fungi were tested in this paper. The results showed th at the number of sporulation were different on the different medium,the fungi c ould sporulate a lot on the PDA+tomato leaf and Czapek medium, but V8、PSA and t omato juice restrained sporulation.The best carbon source and nitrogen source f or the fungi promoting sporulation were fructose and ammonium chloride respectiv ely,mannitol and Peptone ammonium sulfate restrained sporulation. Light and ult raviolet radiation were in favor of sporulation , ultraviolet radiation irradiat ing for 60～80min promoted sporulation. The fungi were promoted sporulation on the condition of lower or higher temperature and alkalescence,which 15℃o r 30℃,pH 8～9.

OBJECTIVETo investigate the occupational exposure levels of dust in new suspension preheated dry process (NSP) cement production line and put forward rectification measures for dust-exposed posts, and to provide ideas for the modern cement production enterprises in dust control and occupational health management.

METHODSOccupational health field investigation combined with field test were used to measure the time-weighted average concentration (C(TWA)) of the dust in the workplace. Rectification measures were taken for the dust-exposed posts with unqualified dust concentration, and the protective effects of dustproof facilities in the rectified workplace were evaluated.

RESULTSThe field investigation revealed incompletely closed dustproof facilities, improperly set dust hoods, excess of dust leakage points, and other problems in the dust-exposed posts of an NSP cement production line before rectification, and the dustproof facilities could hardly exert dust removal effect. The field test showed that the vast majority of dust-exposed posts had the dust concentrations exceeding the occupational exposure limits (OELs), with a qualified rate as low as 31.8%. A series of rectification measures were taken for these posts. After the rectification, the dust-exposed posts demonstrated dramatically dropped C(TWA), and the qualified rate of dust concentration in the dust-exposed posts rose to 90.9%.

CONCLUSIONThe dust hazards in NSP cement production line cannot be ignored. Taking appropriate protective measures are critical for curbing dust hazards in modern cement production.

Air Pollutants, Occupational ; analysis ; Construction Materials ; Dust ; analysis ; Humans ; Occupational Exposure ; analysis ; prevention & control ; Workplace

OBJECTIVETo explore the intervention of baicalin on signal transduction and activating transcription factor expression of ulcerative colitis (UC) patients.

METHODSRecruited were UC patients at Outpatient Department of Digestive Disease, Inpatient Department of Digestive Disease, Center for Digestive Endoscopy of College City Branch, Guangdong Provincial Hospital of Traditional Chinese Medicine, and Southern Hospital affiliated to Southern Medical University from June 2010 to January 2011. They were assigned to the UC group (33 cases) and the diarrhea-predominant irritable bowel syndrome (IBS-D) group (30 cases). Another 30 healthy subjects were recruited as a healthy control group. Peripheral blood mononuclear cells (PBMCs) in vitro intervened by different concentrations baicalin were taken from UC patients. IL23R gene expressions in vitro intervened by different concentrations baicalin were detected using Q-PCR. Expressions of signal transducer and activator of transcription 4 (STAT4) , STAT6, phosphorylated-STAT4 (p-STAT4), and p-STAT6 were detected using Western blot. Serum levels of IFN-γ, IL-4, IL-6, and IL-10 were measured by ELISA. Effects of different concentrations baicalin on expressions of PBMCs, and levels of IFN-γ, IL-4, IL-10 of UC patients were also detected.

RESULTSCompared with the negative control group, 40 µmol baicalin obviously decreased IL23R gene expression of UC patients (P <0. 01). Compared with the healthy control group and the IBS-D group, p-STAT4/STAT4 ratios increased, p-STAT6/STAT6 ratios decreased, levels of IFN-γ, IL-4, IL-10 all increased in the US group (all P <0. 05). Compared with the negative control, 5 and 10 µmol baicalin groups, 20 and 40 moL baicalin obviously decreased p-STAT4/STAT4 ratios (all P <0. 05); 20 and 40 µmoL baicalin obviously increased p-STAT6/STAT6 ratios (all P <0. 05); 20 and 40 µmoL baicalin obviously lowered levels of IFN-γ and IL-4, and elevated IL-10 levels (all P <0. 05).

CONCLUSION40 µmoL baicalin could in vitro inhibit p-STAT4/STAT4 ratios, adjust p-STAT6/STAT6 ratios and related cytokines, thereby balancing the immunity and relieving inflammatory reactions of UC.

Activating Transcription Factors ; metabolism ; Anti-Inflammatory Agents, Non-Steroidal ; therapeutic use ; Blotting, Western ; Colitis, Ulcerative ; drug therapy ; metabolism ; Cytokines ; metabolism ; Flavonoids ; therapeutic use ; Humans ; Interleukin-10 ; metabolism ; Interleukin-4 ; metabolism ; Interleukin-6 ; metabolism ; Irritable Bowel Syndrome ; drug therapy ; metabolism ; Leukocytes, Mononuclear ; Medicine, Chinese Traditional ; Phosphorylation ; STAT6 Transcription Factor ; metabolism ; Signal Transduction

A fragment containing amino acid residues 561～578 of HSV-2 glycoprotein G(gG2) was obtained by PCR assembling technique,and doubly cloned into vector pET-KDO.The recombinant plasmid was transformed to BL21(DE3)plysS.Fusion protein,of molecular weight about 39kDa was highly expressed by induction of IPTG.Western blot result showed the fusion protein had good antigenicity.After putification and digestion,the purity reached 95%.The digested purified protein was analysed by ELISA and showed good sensitivity and specificity.The recombinant protein should be useful for type-specific serodiagnosis of HSV-2.

Objective:To compare the two-dimensional electrophoresis(2-DE) maps of rat spinal cord protein extracted by two different solution systems.Methods: Adult rat spinal cord protein was precipitated with 10% trichloracetic acid in acetone and resuspended in 8 mol/L urea plus 4%CHAPS (A solution) or, 5 mol/L urea, 2 mol/L thiourea, 2%CHAPS plus 2%SB3-10 (B solution). One hundred and fifty micrograms of protein was loaded on 18 cm IPG strip holder and run isoelectric focusing electrophoresis as the first dimension, then horizontal SDS-PAGE as the second dimension. Protein spots were visualized by silver stain.Results:There were 1 059 and 1 023 protein spots in each map, of which 790 spots were matched in two maps. There were 269 and 233 spots exclusively extracted by A and B solutions, respectively. Taken together, 1292 different spots were totally obtained by A and B solutions.Conclusion: Integrating protein spots extracted by different solution systems is beneficial for achieving intact 2-DE map of tissues.

Objective:To observe the impact of diabetes mellitus (DM)on pacing parameters and postoperative com-plications in patients With implantation of permanent artificial cardiac pacemaker.Methods:A total of 80 patients With sick sinus syndrome,Who received implantation of permanent artificial cardiac pacemaker from Jun 2008 to Jun 2011,Were enrolled.According to complicated With DM or not,they Were divided into DM group (n=40)and non-DM control group (n=40).Pacing parameters and postoperative complications Were compared betWeen tWo groups.Results:There Were no significant difference in atrial and ventricular pacing threshold,sensing and of pace-maker impedance in baseline betWeen tWo groups (P>0.05).All parameters of pacemaker increased in tWo groups after implantation 12 months;compared With non-DM control group,there Were significant increase in pacing threshold [atrial:(0.59±0.23)V vs.(0.67±0.25)V,ventricular:(0.47±0.28)V vs.(0.54±0.35)V],sens-ing [atrial:(2.33±1.16)mV vs.(2.92±1.36)mV,ventricular:(12.21±4.82)mV vs.(12.77±5.36)mV], impedance [atrial:(537.12±115.32)Ωvs.(662.48±235.26)Ω,ventricular:(602.48±222.46)Ωvs.(762.41± 235.38)Ω]of pacemaker in DM group,P<0.05 or <0.01;and incidence rate of postoperative complications (12.5%)in DM group Was significantly higher than that of non-DM control group (5%),P<0.05.Conclusion:Electrocardiographic reconstruction is more severe in SSS patients complicated DM,in these patients postoperative complication incidence significantly elevates.

Bronchial Diseases ; diagnosis ; Child ; Female ; Humans ; Infant ; Male ; Tuberculosis, Pulmonary ; diagnosis

OBJECTIVETo screen a group of traditional Chinese medicines with effect on pregnane X receptor (PXR)-mediated transcription regulation of P450 3A4 (CYP3A4); and to study whether they can induce the expression of CYP3A4 with a dose, time-dependent manner.

METHODTransient cotransfection reporter gene assays were performed with pCI-hPXR-neo, pGL3-CYP3A4-Luc and beta-galactosidase expression plasmid in HepG2 cells.

RESULTRhizoma Curcumae, Atractylodes lancea, A. macrocaphala and Poria cocos could induce transcriptional expression of CYP3A4. In the dose-effect study, 24 h after induction, 500 mg x L(-1) Rhizoma Curcumae, A. lancea, A. macrocaphala and Poria cocos, respectively, could induce the CYP3A4 gene expression with (6.82 +/- 0.09), (6.76 +/- 0.20), (5.49 +/- 0.13) and (4.97 +/- 0.07) folds, as compared with 0.1% DMSO treated cells. In the time-effect study, 500 mg x L(-1) Rhizoma curcumae, A. lancea, A. macrocaphala and Poria cocos for 48 h could induce the CYP3A4 gene expression with (7.74 +/- 0.54), (7.34 +/- 0.10), (5.54 +/- 0.11) and (5.32 +/- 0.18) folds, compared with 0.1% DMSO treated cells.

CONCLUSIONRhizoma Curcumae, A. lancea, A. macrocaphala and Poria cocos could induce the expression of CYP3A4 gene transcription through activating PXR.

Cell Line, Tumor ; Cytochrome P-450 CYP3A ; genetics ; Drugs, Chinese Herbal ; pharmacology ; Humans ; Receptors, Steroid ; metabolism ; Transcription, Genetic ; drug effects