Objective:To understand the cognition and training status of basic life support among medical staff in Linfen, Shanxi Province, and to provide reference for the development of targeted training strategies and programs.Methods:A questionnaire survey was conducted among medical staff in 12 county hospitals in Linfen, Shanxi Province by convenience sampling method. The survey included the general characteristics of departments and medical staff, previous basic life support training assessment and cognitive status.Results:A total of 839 medical staff were included, 756 (90.1%) completed the survey, 183 (24.2%) were doctors and 573 (75.8%) were nurses. Most personnel lacked awareness of environmental safety, emergency response system start-up, adequate compression, airway management, and electrical defibrillation.Conclusions:The cognitive status of basic life support of medical staff in Linfen county is not optimistic. It is necessary to construct an applicable precision training course and retraining assessment system to improve the cognitive level and practical operation ability.

Aim To investigate the effect of non-T cell binding peptide(FNS007)on collagen type Ⅱ-induced arthritis(CIA)in mice and the possible mechanisms.Methods The CIA model was induced by intradermal injection of bovine CⅡ+Freunds adjuvant.At the clinical onset of CIA,mice were randomly divided into 6 groups: blank control group(Control),model group,ORENCIA(abatacept)group,FNS007 low dose(1.2 mg·kg-1)group,FNS007 middle dose(2.4 mg·kg-1)group and FNS007 high dose(4.8 mg·kg-1)group.FNS007 was given by intravenous injection on the first day of arthritis and every other day until the study was terminated on d 28 after injection of the drug.The paw thickness and the ankle joint width were measured,and the arthritis scores were recorded.At termination,interferon-γ(IFN-γ),tumor necrosis factor-α(TNF-α),interleukin-6(IL-6)and level of anti-CⅡ antibody in serum were examined by enzyme-linked immunosorbent assay(ELISA).Bone injury was analyzed by X-ray imaging,and HE staining was conducted to observe the histopathologic changes and pathological score of ankle tissues.Results CIA models were successfully induced.Compared with CIA group,FNS007 high dose significantly reduced the paw thickness and the ankle joint left-right diameter,lowered arthritis scores in CIA mice,reduced serum concentrations of IFN-γ,IL-6 and anti-CⅡ antibodies,and lowered the radiographic and histologic scores.Compared with CIA group,FNS007 middle dose group showed marked reduction in the arthritis scores,IL-6 content in serum,and inhibion in the radiographic and histologic scores.The arthritis scores,concentration of IFN-γ,the radiographic and histologic scores were significantly reduced in FNS007 low dose group compared with those in model group.Conclusion FNS007 can effectively inhibit the progression of CIA through inhibiting T-cell activation and reducing inflammatory cytokines,anti-CⅡ antibodies,and histoclasia and bone destruction.

Objective:To observe the effects of FNS007 on collagen Ⅱ-induced arthritis(CIA) rat models and investigate the underlying mechanism.Methods: CIA model was induced by intradermal injection of Freunds adjuvant and bovine CⅡ.Rats were randomly divided into six groups:normal control group,model group,methotrexate group,high,middle and low doses of FNS007 groups,with 12 rats in each group.FNS007 was gived by intravenous injection,the normal control and model group were administrated with PBS.Observing the paw thickness,ankle joint width and the arthritis scores in the CIA rats during the experiment.On d 22 after injection of the drug, all rats were killed.Interferon-γ(IFN-γ),tumor necrosis factor-α(TNF-α),interleukin-6 (IL-6) and level of anti-CⅡantibody in serum were examined by enzyme-linked immunosorbent assay (ELISA).The pathological score and radiography of ankle joint were evaluated.Results: Data revealed that FNS007 treated groups showed a significant reduction in paw thickness,ankle joint width and the arthritis scores compared to model group (P<0.05,P<0.01),especially FNS007 high dose goup.The levels of TNF-α,IFN-γ,IL-6 and anti-CⅡantibodies in serum in high dose goup were significantly lower than those of model group(P<0.05,P<0.01).X-ray examination showed that FNS007 could significantly alleviate the damage of joint and decrease the radiographic scores.Pathological examination exhibited that FNS007 could significantly reduce pathological scores,alleviate inflammatory cell infiltration and synovial hyperplasia,improve the histopathological changes.Conclusion: FNS007 has a treating effect on CIA rats,and the mechanisms may be through competitive inhibition of T cell,inhibiting inflammatory cytokines and anti-CⅡantibodies secretion,regulating the abnormal immune responses.

Objective To explore the impacts of Danhong injection on physiological and biochemical indicators in malnourished mice at physiological low doses, evaluate its safety, and test the practical value of safety re-evaluation of Traditional Chinese Medicinal ( TCM) injections. Methods A total of 32 ICR mice during growth period were selected to set up corn deficient nutrition mice model. Mice were assigned into the normal control group (given 0. 9% saline), Danhong injection at low, medium and high dosages (0. 2, 0. 4 and 0. 6 mL) groups (n=8 in each group);Mice were administered with respective medications intraperitoneally for 7 consecutive days. Blood samples were taken and mice were executed on the 8th day. All 9 kinds of organ or tissue were obtained completely, to measure related physiological and serum biochemical parameters. The safety of Danhong injection was evaluated by using Benefit and Damage Index - General Score ( BDI-GS ) system. Results The Danhong injection showed only slight damages on major organs or tissues, the BDI values were all above 0. 85, and the GS values were all above 9. 0;BDI values for Danhong injection at different dosages were all above 1. 0 for spleen and pancreas, showing better replenishing and healthy effects, and the differences were of statistical significance compared with the normal control group (P<0. 05 or P<0. 01). Meanwhile, it exerted obviously hypoglycemic effect. Conclusion Danhong injection is of rather low risk under physiological dosages, and therefore is safe to use. The mal-nutrition model combined with the BDI-GS system may be developed as a novel approach for safety re-evaluation of TCM injection in clinic.

This study was aimed to investigate whether the extracts of Celastrus orbiculatus enhanced the invasion function of maspin tumor inhibitor gene through the construction of maspin overexpression human gastric carcinoma MGC803 cell line. Maspin was cloned into plasmid GV208-EGFP eukaryotic expression vector. And then, the recombinant plasmid GV208-maspin-EGFP was transfected into human gastric carcinoma MGC803 cells. After the maspin overexpression MGC803 cell were treated with Celastrus orbiculatus extracts in different concentrations (10, 20, 40 μg·mL-1), the invasion effects were detected by Transwell chamber assay. The results showed that after the successful construction of maspin overexpression cell line, the number of cells invading through Matrigel was obviously decreased in the Transwell chamber assay. It also showed drug concentration dependency. It was concluded that maspin gene can inhibit invasion of gastric carcinoma MGC803 cells. Simultaneously, the extracts of Celastrus orbiculatus can enhance the function of maspin gene.

ObjectiveTo evaluate the effect of aminooxyacetic acid on focal cerebral ischemia injury in rats.MethodsEighty healthy male SD rats aged 2.5 month weighing 250-280 g were randomly divided into five groups( n ＝ 16 each):sham operation group(group S),cerebral ischemia group(group Ⅰ),aminooxoacetic acid low,medium and high dose groups(groups AL,AM and AH ).Focal cerebral ischemia was induced by occlusion of middle cerebral artery using a nylon thread with rounding tip which was inserted into right internal carotid artery in groups I,AL,AM and AH.Intraperitoneal amincoxoacetic acid 25,50 and 100 μmol/kg were administered at 3 h of ischemia in groups AL,AM and AH respectively,while equal volume of normal saline 1 ml/kg were injected in groups S and I.Neurological function was assessed and scored (0＝ no deficit,4＝ unable to move,unconscious) in 8 rats at 21 h after aminooxyacetic acid administration in each group.The animals were then sacrificed and the brains were removed for determination of the cystathionine beta-synthase (CBS) activities in cortex,hippocampus and striatum corpora.The other eight rats of each group were sacrificed at 21 h after amincoxoacetic acid administration for determination of the cerebral infarct volume.ResultsCompared with group S,the neurological deficit scores and the CBS activities in cortex and hippocampus were significantly increased,the infarct volumes were significantly enlarged in group Ⅰ ( P < 0.05).Compared with group Ⅰ,the neurological deficit scores and the CBS activities in cortex and hippocampus were significantly decreased,the cerebral infarct volumes were significantly reduced in groups AM and AH (P < 0.05).There was no significant difference in the above-mentioned variables between groups AL and Ⅰ.ConclusionAminooxoacetic acid can reduce focal cerebral ischemia injury by decreasing CBS activity and reducing H2 S production in rats.

Objectiye To investigate the effect of L-arginine on pulmonary surfactant (PS) in the rats with lipopolysaccharide (LPS)-induced acute lung injury (ALI).Methods Forty-eight adult male SD rats weighing 220-270 g were randomly divided into 4 groups:group Ⅰ control (group C);group Ⅱ LPS;group Ⅲ LPS 3 h + L-arginine(group L1);group Ⅳ LPS6 h + L-arginine(group L2). ALI was induced by intravenous (Ⅳ)LPS 5 mg/kg in LPS,L1 and L2 groups. L-arginine 500 mg/kg was given intraperitoneally at 3 or 6 h after LPS administration in group L1 or group L2. The animals were sacrificed at 3 h after L-arginine administration, eight animals were sacrificed at 6 h and 9 h after LPS in group C and group LPS. The lungs were immediately removed for determination of surfactant-protein (SP-A) mRNA expression and broncho-alveolar lavage fluid (BALF). The total phospholipid (TPL) and total protein (TP) concentrations in the BALF were measured. Results SP-A mRNA in the lung tissue and TPL concentration in BALF were significantly decreased while TP concentration in BALF was significantly increased in group LPS, as compared with control groups( P ＜ 0.01 ). L-arginine given at 3 h after LPS administration significantly attenuated the LPS-induced changes while L-arginine given at 6 h after LPS did not. Conclusion L-arginine can protect the lungs from LPS-induced injury by up-regulating PS-expression.

Objective To investigate the clinical features and prognostic factors of primary thyroid lymphoma. Methods Records of 44 patients with pathologically confirmed primary thyroid lymphoma were reviewed. Detailed clinical and laboratory data were included in univariate analysis, and statistically significant factors in univariate analysis were then included in multivariate analysis.Results In univariate analysis, Ann Arbor stage, performance status, IPI, number of extra-lymphatic site, B symptoms, Hb, LDH and β_2-MG level, therapy model, histology type and tumor mass were found to be the prognostic factors associated with overall survival in primary thyroid lymphoma. In multivariate analysis, performance status, IPI, LDH, β_2-MG level, histology type, and tumor mass were independent prognostic factors of overall survival. Conclusion Performance status, IPI, LDH and β_2-MG level, histology type and tumor mass were demonstrated as independent prognostic factors of the overall survival in primary thyroid lymphoma.

Objective To evaluate the expression of bcl-2, p53, Ki-67 in malignant lymphoma (ML)and the relationship between the expression of bcl-2, Ki-67, p53 and prognosis for the patients who were given autologous hematopoietic stem cell transplantation (AHSCT). Methods The expression of bcl-2,Ki-67, p53 were measured by immunohistochemistry (IHC) on paraffin-embedded slices in 33 cases of ML who received AHSCT. Survival analysis was done by the Kaplan-Meier method and Log-Rank test.Multivariate analysis was carried out using COX proportional hazard model. Results For patients with ML who received AHSCT, the 3-year disease free survival (DFS) of bcl-2(+) group was 35.71%, while that bcl-2(-) group was 88.89 %. There was significant difference of DFS between the two groups. Meanwhile, for these patients, the 3-year DFS of Ki-67(+) and Ki-67(-) were 43.75 % and 85.71%, respectively (P ＜0.05).Multivariate analysis showed that the expression of bcl-2 and Ki-67 were the independent prognostic factors.Conclusion The expression of bcl-2 and Ki-67 were closely related with relapse after AHSCT in patients with ML. They were useful molecular makers for predicting the prognosis of patients with ML after AHSCT.

Objective: To study the effect of casein hydrolysate (CH) on hypertensive rats. Method: Hydrolysate of casein was desalinated by macroporous adsorption resins DA201C. Angiotensin converting enzyme (ACE) inhibitory activity and antihypertensive activity of casein hydrolysate at the dose of 500, 1 000 mg/kg were measured. Results: CH had significant inhibitory activity against ACE (the inhibitory rate 80.1%), and low concentration (500 mg/kg bw?d) had remarkable antihypertensive activity on spontaneously hypertensive rats (SHR), and extremely remarkable at high concentration (1 000 mg/kg bw?d). Conclusion: Casein hydrolysate showed antihypertensive activity in SHR.