AIM　To study the efffects and mechanisms of hetrazane（diethylcarbmazine citrate，DEC）on contraction of isolated tracheal strips of guinea pigs. METHODS　Using isolated tracheal strips technique. Each tracheal strip was placed in an organ bath filled with a Krebs solution of 37℃ and various drugs was added respectively. It was determined that KCl or 5-HT induced the contractile effects and its dose-response curve on tracheal strips and DEC or verapamil changed the effects of KCl or 5-HT. RESULTS　The contractions induced by KCl or 5-HT in isolated tracheal strips of guinea pig were markedly inhibited by DEC, the IC50 value of DEC for contraction induced by KCl and 5-HT was 5.03 mmol*L-1 and 9.54 mmol*L-1 respectively. DEC caused rightward displacement of the dose-response curse for KCl and 5-HT, and significantly depressed the maxmal response, showing anon-competitive antigonism, the pD′2 values were 1.554 and 1.851 respectively, and DEC markedly inhibited the contractions induced by Ca2+ released from an intracellular store and extracellular Ca2+. CONCLUSION　DEC can significantly inhibit contraction of tracheal strips induced by KCl and 5-HT, and its mechanism is responsible calcium-antagonistic effect of DEC.

Objective To investigate the continuous suture through the lower edge of the tarsal joint fixation orbital reconstructive eyelid superfluous skin treatment efficacy.Methods 50 cases of abject epicanthus clinical data were retrospectively analyzed from June 2009 to June 2013 in our hospital by the hospital ethics committee approved,which had a total of 100 eyes.According to the numbering method,they were randomly divided into control group and observation group,each 50 cases.Control group was given through the lower edge of the tarsal continuous suture fixation,while the observation group was treated on the basis of control group combined with joint orbital entire complex treatment.Therapeutic effects were compared,pain,treatment before and after each measurement indicators and lower eyelid skin complications and so on.Results After treatment,the control group redundant lower eyelid skin correction,eyelash contact with the cornea and corneal epithelial healing of eye damage were respectively 39 (78.00％),10 (20.00％) and 43 (86.00％),while the observation group were 49 (98.00％),1 (2.00％) and 50 (100.00％),the above parameters were statistically significant differences (x2 =5.559,16.839,3.840,P ＜ 0.05,P ＜ 0.01) ; According to VAS pain score,VAS scores before and after treatment were statistically significant (t =5.271,12.593,P ＜0.05,P ＜ 0.01),and the observation group after treatment VAS scores after treatment compared with the control group,the difference was statistically significant(t =4.399,P ＜ 0.05) ; Before and after treatment from the eyelid folds distance,flat as the lower eyelid away from the eye position,head lower eyelid skin flap in eyelid,head tilt eyelashes,inner canthal angle,outer canthal angle,inner canthal folds,palpebral fissure height,head of small tears on the pitch,orbicularis muscle eyelid width,eyelid orbicularis muscle thickness and orbital orbicularis muscle thickness differences were statistically significant,and the observation group after treatment with these indicators compared to the control group after treatment,the differences were statistically significant (t =4.292,5.828,4.135,5.099,4.723,5.002,6.717,8.092,7.038,8.056,3.129,7.043,P ＜ 0.05) ; the course of treatment in both groups would be lower eyelid retraction,ectropion and eyelid scar concurrent disease control group complication rate was 20.00％,which was significantly higher than that of the observation group(6.00％),the difference was significant statistical significance(x2 =13.283,P ＜ 0.01).Conclusion Over the lower edge of the tarsal joint continuous suture fixation treatment of orbital reconstructive eyelid superfluous skin effect is significant,with low complication rate,which is worth to be promoted in clinical and applied.

Objective To estimate the effect of Yiqi-Wenyang-Gujing decoction combined with the conventional western therapy on the elderly with chronic glomerulonephritis. Methods The 65 patients who conforming to the diagnostic criteria were randomly divided into the treatment group (33 patients) and control group (32 patients) according to the random number table. The control group was treated with the conventional western therapy, and the treatment group was treated with Yiqi-Wenyang-Gujing decoction based on the former treatment. After the treatment of 8 weeks, the curative effect of edema and the 24 hours urine protein and the changes of renal function were observed. Results Compare with the control group, the 24 hours urinary protein (0.8 ± 0.1 g vs. 1.3 ± 0.7 g, t=4.625), the SCr (132.0 ± 8.5μmol/L vs. 163.9 ± 6.2μmol/L, t=17.242) and the BUN (7.1 ± 2.2 mg/L vs. 9.2 ± 2.5 mg/L, t=3.598) of treatment group significantly decreased (P<0.01);The glomerular filtration rate of treatment group [(73.9 ± 4.2 ml/(min·1.73 m2) vs. 65.4 ± 2.4 ml/(min·1.73 m2), t=9.976] significantly increased (P<0.01). And the degree of edema was relieved more in the treatment group than that of the control group (P=0.049). The total effective rate of the treatment group was significantly better than that (78.8% vs. 46.9%, P=0.016) of the control group. Conclusion The combined Yiqi-Wenyang-Gujing decoction and western medicine treatment on the elderly with chronic glomerulonephritis could improve the kidney function and relieve edema.

Forty—five patients with irritable bowel syndrome and 52 normal controls were assessed with theCoping Style Questionnaire.Compared with controls,male patients scored lower in three subscales of Asscrtion,RationalProcessing,and Control,but higher in the the subscales of Support Orientation,Emotional Processing,and Resignation.The score of Emotional Processing in female patients was significantly higher than that im female controis.The data sug- gested that there was difference in coping between IBS patients and normal controls,and between the male and female pa-tients.

With the thorough research on cognitive impairment in old age,vascular cognitive inpairment (VCI) has become a hot research field of neuroscience in recent years.Yet,the VCI-related pathogenic mechanism currently remains unknown.Therefore,the reliable and stable animal models are needed to reveal the pathogenesis and pathophysiologic changes of VCI in order to provide a theoretical basis for early warning,diagnosis and treatment of VCI.The commonly used animal models now have their own advantages and disadvantages,the results have greater differences.This article reviews the commonly used VCI animal models,related cognitive behavior changes,and change characteristics of histopathology in recent years,and the reasonable animal models of VCI according to different research objectives are investigated preliminarily.

Objective To explore the clinical value of CT in diagnosis of pulmonary Wegener's granulomatosis.Methods The clinical data of 11 cases with Wegener's granulomatosis of the lungs were selected.All patients underwent CT scan or enhanced MRI scans and misdiagnosis of CT images were analyzed.Results This group of patients with bilateral lung injury in 9 cases,unilateral lung injury in 2 cases.Main imaging features include:multiple nodules in 8 cases,irregular flakes consolidation shadow in 4 cases,wedge-shaped lesion in 3 cases,empty in 6 cases.Among 11 patients,8 patients were misdiagnosed,misdiagnosis rate was 72.72％ (8/11),of which 2 cases were misdiagnosed as primary lung cancer,3 cases were misdiagnosed as metastatic lung cancer,3 cases were misdiagnosed as tuberculosis.Conclusion The CT manifestations had a very important role in guiding the diagnosis of pulmonary Wegener's granulomatosis.

Psychological problems interrupt the study and life of overseas students, and even lead to a crisis. Based on a study on the results of questionnaires for undergraduate overseas students' on-campus lives in Chongqing Medical Universities,solitude,frustration and depression,the three most popular psychological problems of overseas students in medical universities are analyzed and countermeasures are put forward.

Teaching and Research Section of Pathophysiology of Medical School of Three Gorges University explored the methods to cultivate innovative thinking of university student. These methods included inspiring potential of innovative thinking by pathophysiology development rule , get-ting rid of regular psychological tendency by clinical case and introducing innovative thinking training method by medical innovation case. These experiences may provide references for innovative education.

BACKGROUND:Mesenchymal stem cells from transgenic animals carry green fluorescent protein that can be stably expressed in viable cells and can be used to rapidly screen modified cells in comparison with traditional virus and plasmids. OBJECTIVE:To study the biological features of bone marrow derived stromal cells from transgenic rats with green fluorescent protein gene. METHODS:Bone marrows were isolated from the bilateral long bones of 2-week-old transgenic rats with green fluorescent protein gene, and cultivated in conditioned culture medium to obtain bone marrow mesenchymal stem cells with green fluorescent protein gene. The passage 5 bone marrow mesenchymal stem cells with green fluorescent protein gene were analyzed by flow cytometry to detect cellsurface molecules, and were induced in calcium or adipogenic induction medium. After calcium induction, the alizarin red staining was performed to test the formation of calcium concentration. After adipogenic induction, bone marrow mesenchymal stem cells were detected with oil red O staining. RESULTS AND CONCLUSION:Bone marrow mesenchymal stem cells, stably expressing green fluorescent protein gene, were obtained successful y from the transgenic rat with green fluorescent protein gene. The cells expressed CD90, CD105 strongly, but did not express or weakly expressed CD14 andCD45. After 3 weeks of calcium induction, jacinth calcium salts could be detected in the cells by alizarin red staining. At 3 weeks of adipogenic induction, the cells showed positive oil red O staining. The green fluorescent protein gene, as report gene, exerts no effect on the cellsurface molecules and multilineage potential of bone marrow mesenchymal stem cells, which can be used as an efficient tracer.

Objective To understand the professional distribution of different mental illness,to explore the relationship between mental illness and professional distribution for mental illness early prevention,early intervention and rehabilitation therapy.Methods From January 1,2003 to December 31,2007,mental illness patients'clinical data of psychiatric hospital in Taiyuan city area and psychiatric residency in Taiyuan city hospital were retrospectively analyzed.This paper reviewed diagnosis by a psychiatrist unified training according to the international statistical clas-sification of diseases and related health problems(ICD -10)mental and behavior disorders diagnostic point of classifi-cation standards to ensure that the total effective medical record information collected 16 495 cases(group);17 039 114 cases of control group in the same period of Taiyuan and Taiyuan city public security bureau to provide permanent population statistics data.SPSS 13.0 software was used for statistical analysis of the two data.Results Prevalence of mental illness during he occupation of the population of 0.968%,the average age of 38.11 years,and students around the age of 18 retirees,in the 65 years and other occupations in 30 to 40 years old,these were three good age stages of mental illness,the age of the unemployed(including the unemployed,the unemployed and the unemployed)preva-lence was highest,accounting for 4.223%.Workers and farmers followed,business,service providers and students prevalence was lower.In the case group and control group cadres was statistically significant difference in proportion of occupational composition(U =2.67,P <0.01),there was not statistically significant difference in retirees (U =1.14, P >1.14);Workers(U =52.20,P <52.20),farmers(U =15.25,P <15.25 ),unemployed (U =106.16,P <0.001),the case group was significantly higher than the control group,the difference was statistically significant;Pro-fessional and technical personnel(U =13.97,P <0.001 ),business services personnel(U =30.39,P <30.39), student(U =62.94,P <62.94),and other professional(U =23.88,P <0.001)cases constitute a significantly lower than the control group,the difference was statistically significant.Conclusion The mental illness and the profession have certain relevance,different careers or age prevalence and kinds of disease have obvious difference.