Objective To understand the current situation of medical postgraduates'!honesty edu-cation, find the weak point and explore new ways of the honesty education. Methods The honesty educa-tion survey questionnaire was designed and conducted to the postgraduates of Grade 2014 in Peking University Health Science Center. The research contents included the basic information of postgraduates, honesty cognition, clean and self-discipline, honesty education, the recommendation of honesty education and the application of honesty education carrier. 1 038 questionnaires of a total of 1 142 questionnaires were recovered and the recovery rate was 90.9%. EPIData3.0 software was used for double entry and database establishment, and SPSS 19.0 software for statistical treatment. Results 82.3% (854) of the postgraduates recognized the work of clean government, but only 62.1% (644) of the postgraduates concerned about it. 78.3% (813) of the postgraduates expressed hatred for the dishonest behavior and hoped to eliminate it. 77.6%(806) postgraduates often paid attention to honest education content which was pushed by the new media. 16.5% (171) postgraduates thought that the new media was very important to the honest cognition. Conclusions We should pay more attention to medical postgraduates'!honesty education, find its weak points according to the investigation and make full use of the network and new media. And at the same time we should combine the actual environment to establish a hierarchy of honesty education system, and carry out honesty education through total environment which contains the school administrators, instructors/head teachers and tutors.

Objective To investigate the role of P21 protein and XIAP on apoptosis-inducing effect by mevastatin against A549 cell line and its mechanisms. Methods The cells proliferation was detected by MTT assay. The cell cycle distribution and apoptosis induction were evaluated with flow cytometer and electron microscopy. The mRNA expression of P21 and XIAP was measured with reverse transcription-polymerase chain reaction.The protein expression of P21 and XIAP was tested with flow cytometer and Western Bolt respectively. Results Mevastatin inhibited A549 cell survival in a time-dependent and concentration-depended manner. Flow cytometry showed that mevastatin induced G0/G1 phase arrest and caused apoptosis. Mevastatin did not affect P21 expression at both mRNA and total protein level.Concomitantly,P21 protein localized on cellular membrane decreased.Both mRNA and protein expression in XIAP were down regulated by mevastatin. All these effects were reversed by mevalonate.Conclusion Mevastatin can inhibite proliferation,induce apoptosis and interfere with cell progression of A549 through mevalonate pathway. Its mechanisms are explained by decreasing the expression of XIAP mRNA and protern.Targeting HMG-CoA reductase,Mevastatin blocks the isoprenylation of P21 protein which affects its anchorage on the cellular membrane.

Objective To investigate the role of P21 protein and survivin on the cell apoptosis of non-small cell lung cancer (NSCLC) induced by mevastatin. Methods The inhibitory effect of mevastatin on A549 and NCI-H520 cell line was evaluated by MTT assay. The cell cycle distribution and apoptosis induction were determined with flow cytometer and transmission electron microscope. The expression of p21 protein was assessed with flow cytometer. The mRNA expression of p21 and survivin was assessed with RT-PCR. Results Flow cytometry showed that mevastatin induced G_0/G_1 cell arrest in NSCLC cell lines. The results indicated that mevastatin caused apoptosis in concentration-dependent manner. Mevastatin produced no change in expression of P21 mRNA and total P21 protein. Concomitantly, P21 protein localized on cellular membrane was decreased. It was also found that mevastatin suppressed the expression of survivin mRNA in NSCLC cell lines. All these effects were reversed by mevalonate. Conclusions Mevastatin inhibited the proliferation of NSCLC cell lines. Mevastatin exerts growth inhibitory effect and induces apoptosis effect by inhibiting mevalonate synthesis. Its mechanisms might involve blockade of the isoprenylation of p21 protein and down-regulation of the expression of survivin mRNA.

Objective To observe the effect of crawling exercise and bilateral electrical stimulation on the upper limb motor after stroke. Methods 60 stroke patients were divided into experimental group (n=30) and control group (n=30). Both groups received routine therapy. The control group received unilateral electrical stimulation on the upper limbs, and the experimental group received electrical stimulation on bilateral upper limbs and crawling exercise. All the patients were assessed with the modified Ashworth scale (MAS), the Fugl-Meyer assessment (FMA) and the modified Barthel index (MBI) before and after treatment. Results After 8 weeks of treatment, the scores of MAS, FMA and MBI improved in both groups (P<0.05), and improved more in the experimental group than in the control group (P<0.05). Conclusion The crawling exercise and bilateral electrical stimulation can improve the motor of upper limbs and activities of daily living more effectively than the unilateral electrical stimulation after stroke.

BACKGROUND:At present, the most common materials for clinical hemostasis are absorbable tampons and Vaseline gauze. OBJECTIVE:To compare the packing effects of absorbable tampons and Vaseline gauze in functional endoscopic sinus surgery. METHODS:Totaly 100 sinusitis patients, 57 males and 43 females, aged 16-61 years, with a history of 5 months to 23 years, were randomized into two groups: patients in the observation group were treated with absorbable tampons and patients in the control group treated with Vaseline gauze during functional endoscopic sinus surgery. Patient's discomfort, bleeding when the filer was extracted at 48 hours, and nasal bleeding within postoperative 24 hours were compared between the two groups. RESULTS AND CONCLUSION: No adverse reaction related to absorbable tampons occurred in the observation group, indicating that the absorbable tampon has better histocompatibility. Patient's discomfort, bleeding when the filer was extracted at 48 hours after operation, and nasal bleeding within postoperative 24 hours were significantly improved in the observation group compared with the control group (P < 0.05). These findings suggest that the absorbable tampons has a better hemostatic function, which can effectively reduce postoperative nasal bleeding and relieve postoperative discomfort in patients with sinusitis.

Objective To investigate the effects of sodium ozagrel and berberine hydrochloride in the treatment of acute cerebral infarction and its effect on glucose and lipid metabolism.Methods According to the digital table,158 patients with acute cerebral infarction were randomly divided into the two groups:the control group was treated with the sodium ozagrel group and the observation group was treated combined with sodium ozagrel and berberine hydrochloride.After 2 weeks,Chinese stroke clinical neural function defect score scale and the National Institutes of Health Stroke Scale (NIHSS) was used to evaluate neurological function.The therapeutic effectiveness was assessed by ADL after treatment 1,3,6 months.The changes of glucose and lipid levels were detected by turbidimetric method.Results The total effective ratein the observation group was obviously higher than that of the control group (87.01％ vs 69.14％) (x2 =7.316,P ＜0.01).Of the above two ways of nerve function score indicateed that the observation group was significantly better than that of the control group (t =3.207,1.274,all P ＜ 0.01).ADL score of all patients was significantly better than that of before treatment with drug in the two groups after 1 month,3 months and 6 months (t =7.266 and t =8.850,t =1.429 and t =2.816,t =9.218 and t =6.739,P ＜0.01).Compared with the control group,ADL score of the observation group was significantly improved after 3 months and 6 months (t =1.163,0.932,all P ＜0.01).The significant difference was found between the control group and the observation group after 3 months and 6 months (t =7.861,5.005,all P ＞ 0.05).After the treatment,the fasting blood glucose level was reduced significantly in the observation group (t =0.859,P ＜ 0.01),total cholesteroland high-density lipoprotein,triglyceride,low density lipoprotein level were significantly decreased (t =0.257,0.114,0.378,all P ＜ 0.01),but there was no significant difference in HDL-C level (t =1.960,P ＞ 0.05).Conclusion The therapeutic effect of berberine hydrochloride combined with sodium ozagrel is better in the treatment of acute cerebral infarction,and the level of glucose and lipid metabolism was significantly decreased.

Objective We detected the expression of the low risk HPV6/11 and the high risk HPV16/18 in cervical lesions in order to investigate the correlativity,mechanism and clinical values between them.Methods We chosed 150 cases of cervical disease tissues that included chronic cervicitis (30 cases).cervieal condyloma without atypia(30 cases),CIN Ⅰ(30 cases),CIN Ⅲ(30 cases)and cervical squamous cell carcinoma (30 cases).And all of them were constructed into tissue microarrays(TMA)that include 300 spots.Then,the expression of HPV6/11 and HPV16/18 were determined by in situ hybridization.Results The positive expression rates of HPV6/11 were 13.33%,90%,33.33%,0 and 0 respectively in chronic cervicitis,cervical condyloma without atypia,CIN Ⅰ,CIN Ⅲ and cervical squamous cell carcinoma.Condyloma showed significantly higher HPV6/11 infection rates than the other groups(P＜0.001).And there were obvious dliference between CIN Ⅰ and CIN Ⅲ & carcinoma (P=0.001.＜0.05).The spearman correlation analysis suggested that the expression of HPV6/11 in the five cervical deseases was negative correlation (rs=-0.037,P＜0.001).The positive rates of HPV16/18 were 0,6.67%,10%.56.67%.76.67% respectively in chronic cervicitis,cervical condyloma without atypia,CIN Ⅰ,CIN Ⅲ and cervical squamous cell carcinoma.Comparing CIN Ⅲ and carcinoma with the other groups,the positive rates were obvious defrerence between them (P＜0.001).But there was not significant defference between CIN Ⅲ and carcinoma (P=0.10).The spearman correlation analysis suggested that the expression of HPV16/18 in the five cervical deseases was positive correlation (rs=0.628,P＜0.001).Conclusion Low risk HPV6/11 is a main reason for the cervical condyloma and CIN Ⅰ.High risk HPV16/18 is closely related with CIN Ⅲ and carsinoma.and also a main reason for CIN Ⅲ and carcinoma.Detecting and differentiating HPV type will help for the diagnosis and monitor of cervical lesions,especially,it will be very important to prophylaxis,early diagnosis and early therapy of cervical carcinoma.

Objective To investigate the infectious complications after nonmyeloablative allogeneic peripheral blood stem cell transplantation (NASCT). Methods Ten patients with leukemia received NASCT from HLA-identical or 1-3 antigen mismatched sibling donors with conditioning regimens of Flu/Cy+BU+ALG. Five patients were acute leukemia (AL) and all of them is in complete remission (CR1). Cyclosporine in combination with methotrexate was administered for GVHD prophylaxis. Results WBC recovered to more than 0.5 ?10 9/L during postoperative 10 day to 38 day and platelet recovered to more than 20?10 9/L during postoperative 8 day to 16 day. Bacterial infections occurred in 3 patients (30 %) and cytomegalovirus (CMV) infections in 2 patients (20 %). Varicella zoster virus (VZV) infections occurred in one patient (10 %). No fungal infections were documented. No patients died as a result of infection . Conclusion NASCT is a safe and effective therapeutic method for leukemia. It reduces acute GVHD,regimen-related toxicity and early neutropenia associated with traditional allo-HSCT.

AIM: To investigate the effect of hypoxia on the myofibroblast transdifferentiation from fibroblasts,and associated signaling of hypoxia on the production of collagen Ⅰ in cultured rat renal cortical myofibroblasts.METHODS: The study is composed of two relevant parts.In the first part,a normal rat renal interstitial fibroblast cell line NRK-49F was treated with hypoxia(1% O2) or normoxia(21% O2) for 6 h,12 h and 24 h.The expression of hypoxia inducible factor-1?(HIF-1?) was examined by Western blotting in order to make sure the hypoxic condition is reliable.The myofibroblast transformation from fibroblasts induced by hypoxia was assayed by detecting the protein levels of ?-smooth muscle actin(?-SMA).In the second part,the object was done on the primary cultured rat renal cortical myofibroblasts.Myofibroblasts were subjected to hypoxic or normoxic conditions for variety of times.The levels of HIF-1? in cell lysates and collagen I protein in supernatant culture medium and the activation of extracellular signal-regulated kinase(ERK)1/2 MAPK pathway were analyzed by Western blotting.RT-PCR was carried out to measure the levels of collagen I mRNA at different time points(2 h,4 h and 6 h).The distribution of HIF-1? in myofibroblasts was demonstrated by immunocytochemistry.The changes of collagen I production were detected after PD98059,a specific inhibitor of ERK1/2 activation pretreatment and during the hypoxia incubation.The activity of gelatinase matrix metalloproteinase-2(MMP-2) and MMP-9 in the supernatant medium from the cultured cells were assayed by gelatin zymography.RESULTS: Significant increased levels of HIF-1? protein appeared in cell lysates under hypoxia for 6 h.Furthermore,HIF-1? was translocated into nuclei of myofibroblasts after 6 h exposure of myofibroblasts to hypoxia.The levels of ?-SMA protein increased in NRK-49F under hypoxia for 12 h(187%?32%,P

Objective To discuss the nursing measures for patients of hepatocellular carcinoma treated with transcatheter hepatic arterial chemoembolization(TACE)and hish intensive focus ultrasound (HIFU).Methods During the period of Aug.2008-Aug.2009,TACE together with HIFU were performed in 40 patients with hepatocellular carcinoma.The perioperative nursing measures were summarized.Results During hospitalization no severe complications,such as dangerous infection,intestinal bleeding,etc.occurred in all patients.Conclusion Correct and proper periopemtive nursing care is of significant importance for the prevention of complications and for the therapeutic effectiveness.