[ ABSTRACT] AIM:To explore the expression pattern of microRNA-205 ( miR-205) in glioma tissues and its role in the invasion of glioma cells.METHODS:The expression of miR-205 and TBX18 was detected by real-time PCR and immunohistochemical observation, respectively.Transwell assay was used to examine the invasion change of U251 glioma cells after miR-205 overexpression via miR-205 mimics or decrease in miR-205 expression by miR-205 inhibitor.The target of miR-205 was searched by bioinformatics analysis combined with experimental analysis.The protein level of TBX18 was determined by Western blotting after siRNA transfection and Transwell assay was conducted.RESULTS:miR-205 expres-sion was downregulated in 82.6%of detected glioma tissues and TBX18 was significantly overexpressed in glioma tissues compared with normal tissues.miR-205 overexpression remarkably inhibited the invasion potential of U251 glioma cells with a decrease in the invasive cells (P<0.01), while inhibition of miR-205 significantly enhanced the invasion ability of U251 cells.Mechanically, miR-205 directly targeted TBX18 and downregulation of TBX18 also significantly inhibited the invasion potential of U251 cells with a decrease in the invasive cells ( P<0.01 ) .CONCLUSION: miR-205 expression is de-creased in glioma, and miR-205 inhibits glioma cell invasion via targeting TBX18.Our research contributes to the mecha-nisms responsible for glioma invasion and provides theoretical base for developing new therapeutic strategy to treat glioma.

Objective To investigate the calculi composition of patients with urinary calculi in Henan area and the clinical significance of preventing calculi recurrence with individualized method.Methods From August 2009 to July 2010,1050 patients in our hospital underwent extracorporeal shock wave lithotripsy (ESWL) and ureteroscopy and percutaneous nephrolithotomy were set as the experimental group,all stone specimens were detected with the BRUKER TENSOR27 infrared spectroscopy for analysis of stone composition,and nurse on duty gave instructions according to the stone composition to prevent recurrence.From July 2008 to July 2009 1010 patients in our hospital underwent extracorporeal shock wave lithotripsy,ureteroscope and percutaneous nephrolithotomy were set as the control group,patients in the control group were not given calculi component analysis and these patients received general prevention guidance.The calculi recurrence was compared between two groups.Results Among 1050 cases in the experimental group,urinary calculi with single component accounted for 46.29％,of which calcium oxalate stones accounted for 44.95％.Calculi with mixed components accounted for 53.71％,mainly were calcium oxalate and carbonate apatite mixture components (30.48％).57 cases (5.43％) occurred urinary stone recurrence in the experimental group,while 177 cases(17.52％) in the control group.The difference had statistical significance.Conclusions Urinary calculi analysis has important clinical significance for understanding the causes and treatment of calculi as well as prevention of recurrence of calculi.

Good medicinal herbs, good drugs. Good evaluation method and indices are the prerequisite of good medicinal herbs. However, there exist numerous indices for quality evaluation and control in Chinese medicinal materials. However, most of these indices are non-interrelated each other, as well as having little relationship with efficiency and safety. The results of different evaluatior methods may not be consistent, even contradictory. Considering the complex material properties of Chinese medicinal materials, single method and index is difficult to objectively and comprehensively reflect the quality. Therefore, it is essential to explore the integrated evaluation methods. In this paper, oriented by the integrated evaluation strategies for traditional Chinese medicine quality, a new method called integrated quality index (IQI) by the integration of empirical evaluation, chemical evaluation, and biological evaluation was proposed. In addition, a study case of hypertoxic herb Aconitum carmichaelii Debx. was provided to explain this method in detail. The results suggested that in the view of specifications, the average weight of Jiangyou aconite was the greatest, followed by Weishan aconite, Butuo aconite, Hanzhong aconite, and Anxian aconite; from the point of chemical components, Jiangyou aconite had the characteristic with strong efficacy and weak toxicity, next was Hanzhong aconite, Butuo aconite, Weishan aconite, and Anxian aconite; taking toxicity price as the index, Hanzhong aconite and Jiangyou aconite have the lower toxicity, while Butuo aconite, Weishan aconite, and Anxian aconite have the relatively higher one. After the normalization and integration of evaluation results, we calculated the IQI value of Jiangyou aconite, Hanzhong aconite, Butuo aconite, Weishan aconite, and Anxian aconite were 0.842 +/- 0.091, 0.597 +/- 0.047, 0.442 +/- 0.033, 0.454 +/- 0.038, 0.170 +/- 0.021, respectively. The quality of Jiangyou aconite is significantly better than the others (P < 0.05) followed by Hanzhong aconite, which is consistent with the traditional understanding of genuineness. It can be concluded that IQI achieves the integrated control and evaluation for the quality of Chinese medicinal materials, and it is an exploration for building the good medicinal herbs standards. In addition, IQI provides technical supports for the geoherbalism evaluation, selective breeding, the development of precision decoction pieces, high quality and favourable price in market circulation, and rational drug use.
Aconitum ; chemistry ; Drugs, Chinese Herbal ; standards ; Medicine, Chinese Traditional ; standards

Objective To survey the retraction of dental unit waterlines (DUWLs)in medical institutions,and evaluate the influencing factors for retraction of DUWLs.Methods In May-November 2014,dental chair units (DCUs)in medical institutions in Tianjin City were sampled through systematic random sampling method,retrac-tion volume of DUWLs was detected by independently made detector,the relevant influencing factors were investi-gated.Results A total of 58 DCUs in 30 medical institutions in 10 districts(counties)of Tianjin were investigated, the average retraction volume of DUWLs was (103.60 ±117.85 )mm3 ,the qualified rate of retraction volume of DUWLs was 48.28 %(28/58);length of utilization of DCUs was positively correlated with DUWLs retraction (r=0.52,P <0.001).There were no significant difference in retraction volume of DUWLs among medical institutions in different districts(counties),levels of medical institutions,DUC brands,and modes of DUC water supply(all P >0.05 ).Conclusion The qualified rate of retraction volume of DUWLs is low,routine maintenance of DUCs needs to be intensified,especially the long-term used DUCs,contaminatin of DUWLs due to the invalidity of retraction valve should be prevented.

Objective to investigate the feasibility and outcomes of different surgical treatments for adrenal metastasis after previous radical ne-phrectomy for patients with renal cell carcinoma. Methods A total of 18 adrenal solitary metastasis of renal cell carcinoma were identified from da-tabase of two institutions between 2003 and 2013. Clinical and pathologic data were collected and analyzed. Results Of 9 patients who had ipsilater-al metastasis of the renal tumor,the estimated blood loss were obviously fewer in the transperitoneal LA group. Of 9 cases who had contralateral me-tastasis of the renal tumor,the fasting time[(1.4±0.8)h vs(4.0±1.4)h,P = 0.036]and length of hospital stay[(4.5±1.2)d vs(7.0±4.5)d,P =0.041]were obviously fewer in the retroperitoneal LA group. the averages of the fasting time and length of hospital stay in the retroperitoneal LA group were obviously smaller than in the transperitoneal LA group. Conclusion LA for treatment of renal cell carcinoma metastasis is technically feasible in selected patients. transperitoneal and retroperitoneal LA can be respectively recommended as an appropriate approach for isolated adrenal metastases of ipsilateral and contralateral renal cell carcinoma after nephrectomy.

Background and purpose: Astrocytoma is the most common neuroepithelial neoplasm, and its grading has profound effect on its treatment and prognosis. To investigate the application of stepwise discriminant analysis in grading astrocytomas, this study developed two models of stepwise discriminant analysis according to relevant factors of astrocytoma. Methods: From January 2008 to April 2009, 111 primary astrocytoma patients were enrolled. Each patient was scored based on location, signal intensity on T1WI, signal intensity on T2WI, enhancement, edema, border, cyst or solidness, and mass effect of their magnetic resonance images. With their age score of grading, Fisher stepwise discriminant analysis and the Logistic discdminant were used. The results from the two models were then evaluated and compared. Results: According to Fisher stepwise diseriminant analysis, the predictive accuracy was 87.7% with 80.0% sensitivity, 91.5% specificity and 0.942 area of ROC curve. However, the predictive accuracy of Logistic discriminant analysis was 84.9% with 80.0% sensitivity, 86.8% specificity and 0.940 area of ROC curve. There were no statistically significant differences in terms of accuracy (P=0.250) and areas under ROC curve (Z=0.433, P=0.665) between the two models. Conclusion: Two stepwise discriminant analysis models are meaningful to predict the grading of astrocytoms, and the application of Fisher stepwise discriminant analysis is simpler than the Logistic discriminant analysis.

Objective To produce a novel tool for breaking off the ampoule bottles,which can protect the nurses from wounding their fingers by the glass fragment so as to guarantee the safety for the nurses. Methods We design a mould with the self curing plastic and leave some space in the end to insert the ampoule bottle,then fix the bistrique and spring to break off the bottles. Results This tool can break off several kinds of ampoule bottles with any bottles cracked and has achieved good clinical effect. Conclusion This mulfunctional tool is scientificly designed,easy to make,and it is very helpful for the medical staff in protection and enhancing working efficiency,so it is very valuable to be popularized in hospitals.

Objective To analyze the prevalence of passive smoking among inland residents in China from 2000 to 2009 and to analyze the differences between sex, urban/rural geographic distribution, different levels of economic development etc.. Methods Electronic search strategy was carried out, using WanFang database, China Journal Full-text database, VIP database, CBM and PubMed database to collect data on smoking, and passive smoking status, among residents in China.Fixed effects model or random effects model was employed according to statistical tests for homogeneity. Publication bias was assessed by rank correlation test. All statistical analysis was conducted with R 2.8.0. Results Nineteen studies were selected with a total of 195 349 non-smokers and 70 781 passive smokers involved. The overall prevalence of passive smoking was 47.04%(95%CI: 38.88%-55.27%). The prevalence of passive smoking was stratified by factors as sex, urban/rural, year and areas of the study, and areas where passive smoking was studied. The pooled prevalence rates of passive smoking were as follows: 44.80% (95%CI: 34.07%-55.79%) and 49.09%(95%CI:39.62%-58.59%) ,P＜0.05 for male and female;46.10%(95%CI:28.88%-63.82%),47.55%(95% CI: 17.85%-78.25% ), P＜0.05 for urban and rural, respectively. The pooled prevalence rates of passive smoking were 47.59% (95% CI: 38.31%-56.95% ) in the study year of 2000-2004 and 46.90% (95%CI: 33.19%-60.87% ) in 2005-2009 (P＜0.05). The pooled prevalence rates of passive smoking for eastern and western areas were 41.38%(28.88%-54.47%) and 74.38%(95%CI: 59.08% -87.10% ) (P＜0.05), and 73.03% (95%CI: 60.41% - 84.00% ), 14.72% (95%CI: 8.83%-21.82% )and 25.90% (95% CI: 5.65% - 54.24% ) for family, workplace and public place, respectively (P＜0.05). Conclusion The pooled prevalence of passive smoking was higher in females than males, in rural than in urban and in the western area than in the eastern areas. The prevalence of passive smoking in the study year of 2005-2009 was lower than of 2000-2004. The pooled passive smoking rate in the family was higher than in the workplace or in public.

OBJECTIVETo introduce the framework of evidence-based practice with a case of castration-resistant prostate cancer (CRPC) as an example.

METHODSA clinical question was formulated according the clinical scenario. A systematic search was conducted for the published literature in the databases of PubMed, EMBASE, Cochrane Library, Clinical Trial Registries, and Web of Knowledge up to Dec 2014. The identified literature was reviewed for quality appraisal before the evidence was applied to clinical practice.

RESULTSThe treatment was effective and the patient achieved disease remission.

CONCLUSIONEvidence-based practice should be integrated with clinical scenario, current evidence, and patients' willingness, and follow a systematic framework.