The pathogenic effects of crops from Keshan disease area were studied by rat-feeding. As double controls, another two groups were fed with crops from non-endemic area and synthetic diet. Those from disease area caused necrosis of heart muscle vascular changes of myocardial mitochondria and fatty degeneration of liver. Compared with the controls, the free radical and lipid peroxide content in heart and liver were significantly higher, while the ATP and AN contents in these organs were apparently lower. The multielement contents and its constituent patterns in the feeds, whole blood, heart, liver, kidney and brown adipose tissue of rats in experimetal group were apparently different from those in the control groups. The statistic analysis of multiple factors showed that eight elements Se, Mo, Cu, Mn, Cr, Fe, Zn and Pr might be the perilous factors, that is, under the condition of low selenium, the constituent pattern of selenium and the eight elements might be the complicated factors of endemic crops.

Objective To analyze the changes of WBC classification,sugar and protein in cerebro-spinal fluid(CSF)and pathogenic bacteria of neonatal purulent meningitis.Methods Thirty-one neonates with bacterial meningitis in our department of neonatology from June 201 1 to June 2013 were enrolled,and the clinical features,pathogenic bacteria,laboratory examination of CSF were analyzed.Results Fever (90.3%),convulsions(67.7%)and changed consciousness(58.1 %)were common clinical symptoms.The incidences of other nervous system abnormal signs such as gastrointestinal dysfunction(25.8%),abnormal breathing(16.1 %),cervical resistance(16.1 %),bulging fontanel(9.7%)were lower.The Gram -negative bacteria was more than Gram -positive in both blood and CSF culture.The escherichia coli was the most common bacteria,with positive rate of 38.1 %(8 /21 )in blood culture and 55.5%(5 /9)in CSF culture.The germiculture positive rate in CSF was lower than in blood culture (29.0% vs.67.7%).Polymorphonuclear leukocyte(PMN)[(79.61 ±12.06)%]was the most predominant cell of the leukocyte classification in CSF within 1 week in all cases,PMN was still predominant in 1 to 2 weeks in 7 cases,while only 2 cases in 2 to 3 weeks still dominated by PMN,PMN was not the predominant cell 3 weeks later.Conclusion In the typi-cal neonatal purulent meningitis,PMN was the predominant cell in CSF within the first week,but the propor-tion of monocyte gradually increased and was dominant later.Escherichia coli was a common bacteria caused by this disease.

Objective: To assess the effects of acute exposure to electronic cigarette ( e-cigarette ) on leukocyte and total protein levels in bronchoalveolar lavage fluid ( BALF ) and pulmonary surfactant protein expression in a mouse model, so as to provide insights into the elucidation of the mechanism underlying the damages to the respiratory system caused by e-cigarette. Methods: Twenty-one C57BL/6N female mice were randomly divided into the blank control group, the solvent control group and the nicotine group. Mice in the solvent control group and the nicotine group were exposed to the solvent aerosol or e-cigarette aerosol containing 25 mg/mL nicotine for 3 hours daily, while mice in the blank control group were bred in clean air. Following 3-day exposure, mouse BALF and lung specimens were collected. The cell morphology was observed using microscopy following Wright-Giemsa staining and the leukocyte count was estimated in BALF, while the total protein expression was quantified using bicinchoninic acid ( BCA ) assay. In addition, the mRNA expression of pulmonary surfactant protein genes was detected in mouse lung specimens using quantitative real-time PCR ( qPCR ) assay. Results: All mice in three groups grew well without obvious abnormality or death seen. Wright-Giemsa staining showed a higher number of mononuclear macrophages in mouse BALF in the nicotine group than in the blank control group and the solvent control group. The leukocyte counts were ( 2.00±0.77 )×107, ( 1.79±0.99 )×107 and ( 4.00±1.35 )×107 cells/L ( F=9.199, P=0.002 ), and the total protein levels were ( 0.16±0.03 ), ( 0.12±0.02 ) and ( 0.16±0.04 ) mg/mL in mouse BALF in the blank control group, solvent control group and nicotine group ( F=3.610, P=0.048 ), and the relative mRNA expression of pulmonary surfactant protein B (SP-B) and SP-D was 1.00±0.14, 0.82±0.12 and 0.74±0.07 ( F=5.491, P=0.028 ), and 1.00±0.06, 0.90±0.02 and 0.71±0.15 in mouse lung specimens, respectively ( F=10.460, P=0.005 ). The leukocyte count was significantly higher in the nicotine group than in the blank control group and solvent control group (P=0.007, 0.003), and the total protein content was higher in the nicotine group than in the solvent control group ( P=0.060 ), while the relative SP-B mRNA expression was lower in the nicotine group than in the blank control group ( P=0.025 ), and the relative SP-D mRNA expression was lower in the nicotine group than in the blank control group and solvent control group ( P=0.004, 0.041 ). Conclusion Acute exposure to e-cigarette results in elevated intrapulmonary inflammatory responses, pulmonary capillary barrier impairment and reduced pulmonary surfactant protein expression.

Objective To find out the present situation and influence factor in core capabilities of nurses that with blood purification skills in 18 hospitals, and offer reference frame for training. Methods The questionnaires were used to investigate, theresults underwent analysis. Results Among three parts of core capabilities, total score of N1-2 made the highest,the mean score was 236.75,N3 score made the lowest,the mean score was 168.00. The percent of pass in every hierarchy didn't passed 50%. Using the multiple regression to analyze the factor,N1-1 was the work experience in department of nephrology;N3 was the training time of blood purification. Conclusions Percent of pass in core capabilities of nurses of blood purification is in a low level,every hospital should follow the principle of recruitment,and regulate the training of nurses in blood purification.

Objective To Discuss the impacts of different dosage of atorvastatirs on serum hsCRP,IL-10 and MCP-1 levels on post-intervention patients with coronary stenting. Methods 93 post-intervention patients with coronary stenting were selected and randomly divided into 3 groups.Each group took different dosage of oral atorvastatins after the operation for more than one week.The dosage for each group was 10 mg,20 mg and 40 mg,respectively.Each patient was phlebotomized for three times,which are 24 hours before the operation,24 hours after the operation and one week after the operation.Serum MCP-1,IL-10 and hs-CRP levels were measured by enzyme linked immunosorbent assay(ELISA)and immunoturbidimetry(ITM). Results Serum hs-CRP and MCP-1 levels of post-intervention patients were significantly higher than those of pre-intervention.This illustrated that the serum hsCRP and MCP-1 levels were closely related to PCI.Serum hs-CRP and MCP-1 levels decreased in those patients one week after operation which proves they are negatively correlated with the dosage of atorvastatins.There was no statistic evidence to prove the correlation between different dosage of atorvastatins and the level of serum IL-10.The ratio of MCP-1/IL-10 at 24h post-intervention patient was significantly higher than pre-intervention,which proves the ratio was negatively correlated with the dosage of atorvastatins. Conclusion Atorvastatins decreases serum MCP-1 and hs-CRP levels after PCI.Serum MCP-1 and hs-CRP levels were negatively correlated with the dosage of atorvastatins.

Objective To find out the present situation and influence factor in core capabilities of nurses of blood purification, and offer reference frame for evaluation, selection, authentication and engagement of nursing post. Methods Core capability training module for nurses of blood purification was selected as theoretical basis for rough draft of evaluation index system establishment. The selected index underwent expert consultation with Delphi method. Results Four hierarchy were confirmed after 3 rounds of consultation (N1-1,N 1-2, N2, N3). Each hierarchy had three evaluation indexes, knowledge, technology and clinical practice. Number of grade one evaluation indexes of each hierarchy was 5,5,4; 5,5, 4;5,5,5; 5,5,1. Number of grade two evaluation indexes was 20,20,24;20,20,20;25,25,48;23,24,14.Only N1- 1,N1-2 and N2 had grade three evaluation indexes, 16, 5, 13 respectively. Conclusions Preliminary establishment of core capability evaluation index system can basically evaluate capability of nurses of blood purification.

Purpose To explore the practical significance of TERC gene amplification by fluorescence in situ hybridization ( FISH) on the differential diagnosis of cervical intraepithelial neoplasias 1 and 2 by tissue microarray. Methods A total of 42 cases of cervical tissue samples were selected, including 20 cases of normal cervix, 22 cases of cervical intraepithelial neoplasia (CIN) 1/2 (8 cases of CIN1 and 14 CIN2). Homemade tissue microarray was prepared. TERC gene amplification was detected with FISH method. Results TERC gene showed no amplification in the normal cervical squamous epithelium. TERC gene amplification was detected in 22. 7%(5/22)CIN1 and 77. 3%(17/22) in CIN2. 1/8 cases of TERC gene amplification in CIN1, 4/14 cases of TERC gene amplification in CIN2. There were significant differences in TERC gene amplification between those groups (P<0. 05). Conclusion The method is feasible and reliable in the detection of TERC gene amplification in CIN1/2 on paraffin sections. It has practical values in differential diagnosis between CIN1 and CIN2.

Objective To detect the immune effect of FbaAmAb2 against the surface protein of group A Straptococcus (GAS),and explore the pathogenesis and therapy of GAS infections.Methods By subclonal and bacterial ELISA,the positive hybridoma cells were screened that can produce better titers of FbaAmAb2 against GAS-surface FbaA protein,and were injected into the peritoneal cavities of BALB/c mice to produce ascites.The collected ascites were performed to dilute,as follows,original ascite,1:2,1:4,1:8,and 1:16 to test tube agglutination.Based on the results,we selected appropriate dilution to passively immunize mice,and then challenged the mice with GAS,evaluating FbaAmAb2 neutralizing ability with GAS in mice by the survival rate of the immunized mice.Whether FbaAmAb2 could inhibit the binding of factor H to GAS was confirmed by the invasive inhibition assay.Results The IgG titer of bacteria solution ELISA is 1:160 and the titer of tube agglutination is 1∶8.The protect rates of FbaAmAb2 on preventing mice with GAS infections are as follows:66.67％ in original ascite and 1:2 diluted groups,and 50％ in 1:4 diluted group.Mice in each experimental group were evoked significantly protective immune responses compared with the PBS control by SPSS analysis.FbaAmAb2 can competitively inhibit factor H binding to the surface proteins FbaA of GAS,which decreased the entry of GAS into the cytoplasm of human epithelial cells through the binding of factor H.Conclusion FbaAmAb2 is promising to be used in emergent prevention or the clinical therapy for GAS infection and it is promising starting points for pharmacologic targeting and further development of new therapeutic agents for GAS.

Objective:To explore the relationship between blood test indicators and their changes and impaired fasting blood glucose, and to conduct risk prediction research.Methods:This study selected people who underwent a physical examination at a health management center in Jinan from 2018 to 2019, with an interval of 6 months or more between the two physical examinations, and had no history of diabetes and normal fasting blood sugar during the first year of the physical examination. We took the fasting blood glucose level in the second year as the dependent variable, and took the general examination and blood test indicators in the first year as well as the changes of these indicators as independent variables to construct the model. First, the random forest model was used to screen the independent variables, and then the logistic regression model is fitted to calculate the effect values of the independent variables.Results:A total of 4 416 subjects were enrolled in this study. After a 1-year follow-up, 3.45% (133/3 851) subjects developed prediabetic blood glucose, and 0.42% (16/3 851) developed diabetic blood glucose. The sensitivity of the model using blood test indicators to predict the risk of impaired fasting blood glucose after 1 year was 67.1%, and the specificity was 100.0%. The risk of impaired fasting blood glucose after 1 year was high in the population with older age ( OR value was 1.024, 95% CI 1.014-1.035), higher systolic blood pressure ( OR value was 1.018, 95% CI 1.011-1.025), higher body mass index ( OR value was 1.079, 95% CI 1.036-1.125), higher uric acid ( OR value was 1.003, 95% CI 1.002-1.005), higher glutamyl transpeptidase ( OR value was 1.006, 95% CI 1.003-1.010), lower creatinine ( OR value was 0.971, 95% CI 0.957-0.985), lower AST/ALT ( OR value was 0.614, 95% CI 0.411-0.917)) and lower estimated glomerular filtration rate ( OR value was 0.972, 95% CI 0.958-0.988). The sensitivity of the model using the changes of blood test indicators to predict the risk of impaired fasting blood glucose after 1 year was 65.2%, and the specificity was 99.7%. The risk of impaired fasting blood glucose is high in the population with increased triglycerides ( OR value was 1.152, 95% CI 1.057-1.257), increased alkaline phosphatase ( OR value was 1.021, 95% CI 1.012-1.030), increased albumin ( OR value was 1.087, 95% CI 1.029-1.148), increased aspartate aminotransferase ( OR value was 1.006, 95% CI 1.003-1.009), increased weight ( OR value was 1.049, 95% CI 1.019-1.081) within 1 year. Conclusions:The possibility of impaired fasting blood glucose after 1 year is high in the population with older age, higher systolic blood pressure, higher body mass index, higher uric acid, higher glutamyl transpeptidase, lower creatinine, lower AST/ALT and lower estimated glomerular filtration rate. The possibility of impaired fasting blood glucose is high in the population with increased triglycerides, increased alkaline phosphatase, increased albumin, increased aspartate aminotransferase and increased weight with in 1 year. When the above situation occurs in the physical examination, the blood glucose should be monitored and timely intervention should be taken to prevent the development of diabetes.

OBJECTIVE: To investigate the efficacy and safety of Ji-Tai tablet and Ji-Tai tablet combined with buprenorphine in the treatment of patients with acute withdrawal syndrome of mild heroin dependence. METHODS: A total of 150 patients with mild heroin dependence were recruited, and were randomly assigned to a Ji-Tai tablet group (n=50), a Ji-Tai tablet combined with buprenorphine group (n=50) and a control group (n=50) during a 10-day clinical trial. Opiate withdrawal scale (OWS) was used to measure the severity of withdrawal symptoms. Anxiety symptoms assessments were made at 0 day (baseline), the day 5 (middle), and the day 10 (end) by the Hamilton anxiety scale (HAMA). Symptoms were assessed before and 1 h or 2 h after medication each day. The total withdrawal symptoms scores and the daily reduction rate were used to measure the effect of Ji-Tai tablet vs Ji- Tai tablet plus buprenorphine. Safety evaluation was carried out by the following measures: baseline of treatment, drug side effects after the treatment, vital signs (blood pressure, heart rate, and respiration rate), laboratory examination (routine blood and urine tests and the liver and kidney function tests), and electrocardiograms. RESULTS: A total of 142 mild heroin dependence patients performed the experiments (including 48 in the Ji-Tai tablet group, 48 in the Ji-Tai tablet with buprenorphine group and 46 in the control group). The scores of baseline withdrawal symptoms were 43.520±19.786, 42.640±17.648 and 47.100±24.450, respectively, with no significant differences among the 3 groups (all P>0.05 ). During the 10-day treatment, the reduction rate of acute withdrawal symptoms scores increased daily, the acute withdrawal syndrome scores and the anxiety symptoms scores declined from day 0 to day 10, there was also no significant difference among the 3 groups (all P>0.05). Ji-Tai tablet did not affect vital signs such as blood pressure, heart rate, and respiration rate. CONCLUSION Ji-Tai tablet or Ji-Tai tablet combined with buprenorphine had no effect on acute withdrawal symptoms of mild heroin dependence.
Anxiety ; Buprenorphine ; therapeutic use ; Double-Blind Method ; Drugs, Chinese Herbal ; therapeutic use ; Heroin Dependence ; drug therapy ; Humans ; Substance Withdrawal Syndrome ; drug therapy ; Tablets