Objective To investigate the impact of hypoxia on the expression of early growth response-1 (Egr-1) and monocyte chemoattractant protein-1 (MCP-1) in mouse aorta,and to probe the underlying mechanism involving receptor for advanced glycation end-products (RAGE).Methods 3-month-old C57BL/6 mice were subjected to hypoxia [(6.0±0.5) ％ oxygen] to establish the global hypoxia model(n=6 rats for each).Aortas were dissected,Egr-1 mRNA and MCP-1 mRNA were detected by real time RT-PCR,Egr-1 and RAGE proteins were tested by Western blot,and Egr-1 DNA binding activity was assayed by electrophoretic mobility shift assay (EMSA).For blockade of RAGE,mice were pretreated with soluble RAGE (sRAGE) for 1 h by intra-peritoneal injection before they were exposed to hypoxia.Mice with normoxia were used as controls.Results After 30 minutes of hypoxic exposure,Egr-1 mRNA in aorta was increased to (28.3±0.9)folds compared with normoxic controls (F=617.17,P＜0.01),and the induction persisted for at least 3 hours.After 45 minutes of hypoxic exposure,Egr-1 proteins in aorta was increased to (5.7 ± 0.3) folds compared with normoxic controls (F =57.18,P＜ 0.01); the enhanced DNA binding activity of Egr-1 by hypoxia was attenuated by pretreatment with anti-Egr-1 lgG.After 4 hours of hypoxic exposure,MCP-1 mRNA expression in aorta was increased to(4.0±0.3)folds compared with normoxic controls (F=30.68,P＜0.01).RAGE antigen was increased significantly within 30 minutes of hypoxic exposure,with the peak at 15 minutes; hypoxia-induced Egr-1 mRNA expression was significantly attenuated by pretreatment with sRAGE (3.3 ± 0.2) folds compared with normoxic controls (F =30.20,P＜0.01).Conclusions Hypoxia significantly induces Egr-1 and MCP-1 upregulation expressions in mouse aorta,and blockade of RAGE significantly attenuates hypoxia-induced Egr-1 expression.Thcsc findings suggest RAGE signaling is involved in hypoxia-induced vascular inflammatory stress,and highlight this receptor as a potential therapeutic target to protect tissues injured by hypoxia.

Objective To analyze levofloxacin resistance in Helicobacter pylori (Hp) and the sequence difference of gyrA gene in levofloxacin resistance and sensitive Hp strains. To explore the function of gyrA gene mutation in the development of levofloxacin resistance Hp strain.Methods From July 2007 to December 2008 in Department of Gastroenterology, Jinhua People hospital of Zhejiang Province, the gastric mucosa from gastroscopy biopsy of chronic gastritis and peptic ulcer patients were cultured in Hp selective medium under microaerobic condition at 37 degrees for three to five days. The Hp strains were isolated and identified by oxidase test, catalase test,urease test and UreA gene detecting. The levofloxacin susceptibility was determined by E-test and then resistance and sensitive strains were screened. The genomic DNA of Hp strains was isolated. The gyrA gene was amplified by PCR and the sequences were analyzed. Results 38 clinical isolated Hp strains were passed the levofloxacin susceptibility E-test, among those the minimum inhibitory concentration (MIC) of 12 strains was over 1.0 μg/ml, the percentage of resistant strain was 31.58%, while the sensitive stains was 68.42%. The gyrA gene sequence result indicated 10 resistant strain with 261, 271 and 272 10 site mutation, 2 strains with C261A mutation, one strain with C261G mutation, two strains with G271A mutation, 2 strains with A272G mutation, 2 strains with C261A,G271T andA272G mutation, 1 strain with C261G and A272G mutation. However, no mutation sites were found in 26 sensitive strains. Conclusion The rate of levofloxacir-resistance in isolated clinical Hp strain was high. The drug-resistance was associated with 261,271 and 272. site mutation of gyrA gene.

OBJECTIVE To investigate hand hygiene of healthcare workers in burn ward in our hospital and provide scientific basis for the effective prevention and control of hospital infection in burn ward.METHODS Selected randomly 30 healthcare workers in burn ward and sampled from hands for bacterial culture.RESULTS The average colony of hand pathogens of the 30 healthcare workers was 105.42 CFU/cm2,the maximam was 1093 CFU/cm2.Among the hand pathogens,40.91% were Bacillus subtilis,36.36% were micrococcus and 13.64% were Staphylococcus aureus.CONCLUSIONS Hand hygiene of healthcare workers are not optimistic in burn ward.Strengthening the education of hand hygiene and raising the executable rate of hand hygiene are important measures to prevent and control the hospital infection in burn ward.

Objective To investigate the infection situation of HIV in patents in hospital ,and to provide basis for the prevention of AIDS in the hospital .Methods Three kinds of enzyme‐linked immunosorbent assay(ELISA)kits(Beijing wantai ,Beijing kewei , French BIO‐RAD)were used for screening HIV antibody and antigen in 240 781 samples from Jan .2011 to Dec .2013 .All HIV re‐peated positive screening samples were confirmed by western blotting in Chongqing shapingba Center for Disease Control and Pre‐vention .Results Among 240 781 samples from 2011 to 2013 ,593 samples(0 .246% ) were HIV positive at the first screening ,558 samples(0 .231% ) were HIV positive in at the repeated screening ,29 samples(0 .012% ) were HIV indeterminate ,6 samples(0 . 002% ) were HIV negative.Male and female ratio was 3 .39:1 .Conclusion Screening in hospital patients could be an important way to discover cases with HIV infection .It is nesscessary to strengthen the promotion and propaganda of HIV detection ,and new technology of HIV detection could be used to strengthen the inspection of HIV .Moreover ,the consciousness of self protection should be promoted in the treatment of HIV patients .

Objective To provide the anatomical data for single-nostril transsphenoidal microsurgery for pituitary adenoma.Methods Microanatomic structures were observed and measured in 20 cadaveric a- dults heads.Results(1)The diaphragmal opering was 5 mm or greater broad in 90%.The mean thick- ness of the diaphragma sellae was (0.18?0.08)mm.(2) A sphenoid sinus with complete pneumatization was named as all-sellae type,its percentage in all specimens was 85%,85% sphenoid sinus had middle sep- tum of which only 18.8% located in the medial sagital section.(3)The meant thickness of the sellar floor was (0.81?0.34) mm,70% of which were not more than 1 mm.Of the sellar floors,that the shape was flatness reach 15%.(4) The relationship between ICA and sphenoid sinus had two aspects,one was to be mutually apart (55%),the other was to communicate (45%),which formers carinae on the lateral wall of the sphe- noid sinus,espeially in the superior surface of posterior part.The relationship between optic nerve and sphe- noid sinus,one was to be mutually apart (27.5%),the other was to communicate (72.5% ),which formers carinae on the lateral wall of the sphenoid sinus,especially in the superior surface of anterior part.(5) Three main types of the intercavernous sinus were the anterior intercavernous sinus,present in 80%,the inferior in- tercavenous sinus (25%),and the posterior intercavenous sinus (15%).Conclusion The knowledge of the anatomy of the sellar region and sphenoid sinus is helpful to safe operation in the single-nostril transsphe- noidal approach for pituitary,adenoma microsurgery.

Objective:To explore the clinical effect of prostatil combined with diosmin on the elderly patients with chronic prostatitis (CP) and the macrophage inflammatory protein-2 (MIP-2) and macrophage inflammatory protein-lα (MIP-lα) in prostate fluid and serum.Methods:126 cases of elderly patients with CP in our hospital fiom January 2015 to September 2016 were selected and randomly divided into two groups.Prostatil combined with diosmin were provided to the patients in observation groups (63 cases) while the control group (63 cases) was treated by prostatil alone.The clinical effect,MIP-2,MIP-1α levels in the prostate fluid and serum before and after therapy as well as the incidence of adverse reactions were observed and compared between two groups.Results:At 12 weeks after treatment,the total effective rate of observation group was 93.7％,which was obviously higher than that of the control group (81.0％,P＜0.05).The MIP-2 and MIP-1α levels in prostate fluid and serum of both groups at 12 weeks after therapy were significantly lower than those before therapy (P＜0.01),which were significantly lower in the observation group than those of the control group at the same time (P＜0.01).There was no significant difference in the incidence of adverse reactions between the two groups (P＞0.05).Conclusion:Prostatil combined with diosmin could more safely and effectively improve the clinical efficacy in the treatment of elderly patients with CP/CPPS,which might be related to reduce the levels ofMIP-2,MIP-lα in serum and prostatic fluid.

Objective: To evaluate the role of the MAPK subtypes (p38MAPK, ERK and JNK) in ANG Ⅱ induced apoptosis of cultured human podocytes. Methods: The cultured podocytes were incubated in media containing either vehicle, SB202190(5 ?mol/L, an inhibitor of p38MAPK), PD98059 (1 ?mol/L, an inhibitor of ERK), SP600125 (5 ?mol/L, an inhibitor of JNK), ANG Ⅱ (10 -8 mol/L) with or without SB202190、PD98059 and SP600125 for 18 hours; the cells were assayed for apoptosis by morphologic staining with H 33342 and propidium iodide and DNA fragmentation assays; the cell proteins were probed for phosphorylated MAPKs to determine the activation of specific MAPK subtypes. Results: ANG Ⅱ promoted podocyte apoptosis in a time and dose dependent manner; ANG Ⅱ stimulated p38MAPK, but inhibited JNK; SB202190 inhibited both ANG Ⅱ induced podocyte apoptosis and p38MAPK phosphorylation; Inhibition of ERK by PD98059 had no effect on ANG Ⅱ induced cell apoptosis. Conclusion: ANG Ⅱ induced apoptosis through stimulation of p38MAPK and inhibition of JNK in human podocytes.

Objective To explore the relationship of dynamic changes between the iodine nutritional condition and growth of children born before and after the implementation of universal iodine.Methods By means of sampling investigation,urinary iodine and goiter,height,weight,intelligence quotient(IQ)were comprehensively evahated in children aged 7～14 years old born before and after the implementation of iodine in 10 counties and 2 cities of Qiannan.Results The median of urinary iodine of children Was 91.88μg/L in 1984,133.33μg/L in 1994,316.00μg/L in 2006;goiter rate was 21.40%(122/570)in 1984,12.86%(107/832)in 1994,5.28%(45/851)in 2006;the average IQ was 89.18±4.10 in 1994,94.26±0.94 in 2006;children in each age group in 2006 has a higher height and a heavier weight compared with those in 1984.Conclusion The physical development and intelligence of children in the areas of iodine deficiency have improved along with the correction of iodine deficiency.

OBJECTIVETo evaluate the intervention effect of Feiji Recipe (FJR) on tumor immune escape.

METHODSIn the prospective randomized control study, 60 cases of middle stage and advanced non-small cell lung cancer (NSCLC) with qi-yin deficiency syndrome were randomly assigned to the treatment group and the control group, 30 in each group. The levels of CD+ CD25+ Tr, interleukin-10 (IL-10), vascular endothelial growth factor (VEGF), sCD44v6 and transforming growth factor-beta1 (TGF-beta1) of peripheral blood were observed before and after treatment, and the clinical efficacy of FJR was evaluated depending upon the changes in tumor size, Karnofsky Performance scoring (KPS) and TCM syndrome.

RESULTS(1) The levels of CD4+ CD2+Tr, VEGF, sCD44v6, TGF-beta1, and IL-10 decreased, in the treatment group as compared with those in the control group, respectively. (2) The stabilization rate of tumor in the treatment group was superior to that in the control group (78.26% vs 50.00%, P < 0.05). (3) The stabilization rate of KPS increasing in the treatment group and the control group was 76.67% and 43.33% respectively, suggesting the improvement of KPS in the treatment group was superior to that in the control group (P < 0.01). (4) Improvement in TCM qi-yin deficiency syndrome was more significant in the treatment group than that in the control group.

CONCLUSIONFJR can stabilize the tumor body, improve the clinical symptoms of middle stage and advanced NSCLC with qi-yin deficiency syndrome, promote patients' quality of life, and is effective in recovering immuno-surveillance and intervening immune escape of lung cancer through multi-pathway to enhance the clinical therapeutic efficacy.

Adolescent ; Adult ; Aged ; Carcinoma, Non-Small-Cell Lung ; blood ; drug therapy ; immunology ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Immune Tolerance ; drug effects ; Interleukin-10 ; blood ; Lung Neoplasms ; blood ; drug therapy ; immunology ; Male ; Middle Aged ; Phytotherapy ; Prospective Studies ; T-Lymphocytes ; drug effects ; immunology ; Transforming Growth Factor beta1 ; blood ; Tumor Escape ; drug effects ; immunology ; Vascular Endothelial Growth Factor A ; blood ; Young Adult

To explore the relationship between maternal insulin levels and fetal insulin resistance.Maternal blood and venous cord blood samples were collected in gestational diabetes mellitus (GDM) mothers and control subjects.The glucose and insulin levels were measured and insulin resistance levels estimated.Maternal levels of insulin and homeostasis model of assessment for insulin resistance index (HOMAIR) were significantly higher in the GDM group than those in the control group (P ＜ 0.05) ; fetal levels of insulin and HOMA-IR were significantly higher in the GDM group than in the control group (P ＜ 0.05).Maternal insulin level positively correlated with fetal insulin (r =0.326,P ＜ 0.05) and HOMA-IR levels (r =0.378,P ＜0.05).In this study,a higher level of fetal insulin resistance was reported in the GDM group.And maternal hyperinsulinemia might affect fetal insulin resistance in pregnant women with GDM.