ObjectiveTo investigate whether there was inhibitory effect of angiotensin-Ⅰ converting enzyme inhibitors (ACEI) on esophageal carcinoma cell line.Methods The highest expression of vascular endothelial growth factor (VEGF) at mRNA level was screened in esophageal squamous cell carcinoma cell lines KYSE30,TE-1,EC109 and EC9706 by reverse transcriptionpolymerase chain reaction (RT-PCR) and which was transplanted and established nude mice xenografts model.After tumor formed,the nude mice were evenly divided into control group,perindopril group and benazepril group (n=6) of which 0.9％ saline,4 mg/kg perindopril and 6 mg/kg benazepril was given respectively to nude mice in each group.The tumor size and the tumor inhibitory rate were measured.The expression of CD31 in xenograft tumor was tested by immunohistochemistry and the microvessel density (MVD) was assessed.ResultsThe highest expression of VEGF at mRNA level was in EC9706 cell line.At second and third week,there was no significant difference in xenograft tumor size between each group. At fourth and fifth week,there was no significant difference in xenograft tumor size between perindopril group and control group,and the tumor inhibitory rate was 24.6 ％ and 21.1 ％.There was significant difference between benazepril group and control group (t=-2.450 and -3.120,P=0.035 and 0.008),and the tumor inhibitory rate was 33.1％ and 45.4％.After treated with perindopril and benazepril,the expression of CD31 in xenograft tumor of nude mice decreased.The MVD of benazepril group was significantly lower than that of control group (10.98±1.18 vs 13.98 ± 1.76； t =-3.732,P =0.002),and there was no significant difference between perindopril group (12.41±1.15) and control group (t=-2.053,P=0.07).ConclusionsBenazepril (6 mg/kg) could significantly inhibit the growth of EC9706 cell line formed xenograft tumor of nude mice.One of the possible tumor inhibitory mechanisms was inhibiting new vessel forming in tumor.Perindopril (4 mg/kg) may have the similar effect.

OBJECTIVE To explore cognitive dysfunction of sleep apnea syndrome (SAS) and compare the sensitivity of different measuring methods. METHODS Odd ball auditory P300 (2t- P300), three- tone paradigm auditory P300 (3t-P300) and mini- mental status estimate (MMSE) were performed on 24 patients with SAS and 22 healthy subjects. Results of two groups were compared. RESULTS 2t- P300 of study group:(341?14.5)ms, (342?13.8)ms; 2t- P300 of normal group:(317?14.7)ms, (318?12.8)ms; r-dT1 of study group:(327?13.0)ms,(326?14.9)ms;r-dT1 of normal group: (309?11.1)ms,(309?12.0)ms; r-dT2 of study group:(325?14.9)ms,(326?11.1)ms; r-dT2 of normal group:(306?9.7)ms, (305?11.7)ms.Latency of P300 evoked by odd-ball and 3-tone paradigm were both statistically prolonged in SAS patients than those of normal controls. SAS patients had statistically lower MMSE scores than that of normal group but all of them were above 27. On the other hand, statistical difference of abnormal rate between 3-tone P300 and odd-ball P300 was not found in SAS patients group. CONCLUSION Cognitive function impairment was found in SAS patients both by P300 and MMSE. While P300 might be more sensitive than MMSE in detecting it, different paradigm of auditory P300 did not show difference in sensitivity.

Objective To comprehend the status of Helicobacter pylori (Hp) infection in type 2 diabetes mellitus (T2DM) patients, and study the relationship between Hp and T2DM. Methods Seven hundred and sixty-eight in-hospital T2DM patients (T2DM group, including new diagnosed 194 patients and re-diagnosed 574 patients) and 172 sex, age matched health individuals(control group ) were involved in this study. 14C-urea breath test (14C-UBT) was proceeded in both groups to determine Hp infection, and infection rates were calculated. Results Total Hp infection rate in T2DM group was significantly higher than that in control group [56.0%(430/768) vs 37.8%(65/172) ,P< 0.01], delamination analysis according to sex also showed significant differences between T2DM group and control group(P < 0.01). The rate of Hp infection in new diagnosed patients and re-diagnosed patients, female patients and male patients had no significant difference (P > 0.05 ). The rate of Hp infection in different age and sex had no significant difference (P >0.05 ). Conclusions The rate of Hp infection in T2DM patients is higher than that in non-T2DM patients.Hp infection has relationship with T2DM, and has no relationship with age, sex and course of disease.

Objective To observe the effect of treatment of the diabetide foot with the fresh skin of the bufo bufo gargarizans cantor. Methods 42 diabetic foot patients were randomized into the control group and the treatment group with 21 patients in each. In the control group the patients were treated with disinfection routinely and dressing changing. In the treatment group the patients were treated with the fresh skin of the bufo bufo gargarizans cantor covering the infected feet after routine disinfection treatment. The treatment effect, the healing time and the length of antibiotics treatment course were compared between the two groups. Results The treatment effect of the treatment group was 100.00%, significantly higher than 80.95% of the control group. The healing time of the treatment group was (9.05 ±4.09) days, shorter than (17.41±4.20)days of the control group. The length of the antibiotics treatment course of the treatment group was(9.33±4.73)days, shorter than (17.10±4.83) days of the control group. Conclusions The fresh skin of the bufo bufo gargarizans cantor can improve the recovery rate, shorten the healing time and the length of the antibiotics treatment course by covering the infected feet.

Objective To evaluate the therapeutic effect of health education pathway on type 2 diabetic patients by using the Meta-analysis.Methods The domestic main databases were searched,the quality of included studies which screened by certain standards was evaluated.The Review Manager 5.0software was taken for analysis.Results Totally 12 studies were included,containing 2115 cases of type 2 diabetic patients.The Meta-analysis showed there were significant differences between the health education pathway group and the control group in hospitalization days and hospitalization expenses,rate of patients' satisfaction and rate of mastering knowledge of diabetes mellitus,fasting blood glucose and 2h postprandial blood glucose.Conclusions Health education pathway for type 2 diabetic patients can shorten hospitalization days,decrease hospitalization expenses,increase rate of patients' satisfaction and rate of mastering knowledge as well as lower fasting blood glucose and 2h postprandial blood glucose.

During the course of the investigation of the antifungal metabolites against Peronophythora litchii from the fermentation broth of Streptomyces sp SC120, an antibiotics that exhibited the cytotoxicity to CNE 2 was isolated By spectral (UV, IR, HRMS, 1H NMR, 13 C NMR, 1H 1H COSY, HMQC and HMBC) analyses, its structure was identified as pimprinine The cytotoxicity of pimprinine to CNE 2 was reported for the first time

Objective To evaluate the efficacy of using dual laser system in off clamp nephronsparing surgery.Methods We used dual laser system in the patients who underwent off-clamp NSS between Jan 2016 and Apr 2016 in our institution.There were 16 males and 8 females with average age of 49 years.Mean tumor size was 1.9 cm (range 0.8-3.2 cm).The mean R.E.N.A.L.score was 3.8 (range 3-6).The mean Zhongshan score was 3.5(range 3-5).The mean ZⅡ(zero ischemia index)was 1.6(range 1-4).The Evolve Dual (980 nm/1 470 nm) laser system set at 60 W in continuous mode was used.Results Offclamp NSS was successfully performed in 22 patients except for renal artery occlusion in 2 case.Mean operative time was 74 min(range 50-100 min);The average estimated blood loss was 52.9 ml(range 10-200 ml);Mean postoperative drainage was 65.4 ml(range 20-150ml);Mean postoperative hospital stay was 5.2 days (range:4-7days).No severe post-operative complication was found.The mean pre-and postoperative serum creatinine levels were 76.2 μmol/L(range:48-112μ mol/L) and 81.5μ mol/L(range:54-122 μ mol/L) with no significant difference(P ＞0.05).The postoperative pathology indicated that 20 cases of clear cell carcinomas,3 cases of chromophobe renal cell carcinomas,one case of papillary carcinoma.Conclusions Dual laser system can be used in off clamp nephron-sparing surgery safely and effectively.

ObjectiveTo study tear film functions of diabetes mellitus with pterygium before and after surgery.MethodsNinety patients with single side pterygium were divided into 3 groups with 30 cases each:simple pterygium (treatment group A ),pterygium combination with type 1 diabetes mellitus (treatment group B) and pterygium combination with type 2 diabetes mellitus(treatment group C).Ninety patients without pterygium were divided into 3 groups with 30 cases each:normal (control group A),type 1 diabetes mellitus (control group B) and type 2 diabetes mellitus (control group C ).Tear film functions were compared in each group before surgery,while tear film functions in treatment group B and C were compared between before and after surgery.ResultsBefore surgery,there was no significant difference among each group in lacrimal secretion test.Every group's tear film break-up time(BUT) was abnormal except control group A.Cornea fluorescein staining (CFS) score in treatment group B compared with control group B,and treatment group C compared with control group C were significant differences [ (9.08 ± 0.48 ) scores vs.(3.43 ± 0.51 )scores and (10.31 ±0.94) scores vs. (7.91 ±0.51 ) scores,P＜0.05].There was significant difference in mucus fern test(MFT) between treatment group B and control group B (P＜0.05).Tear clearance rate (TCR) were all abnormal except control group A.Before surgery compared with after surgery between treatment group B and treatment group C,there was no significant difference in lacrimal secretion test (P＞0.05 ),but there were significant differences in BUT,CFS score and MFT,the TCR were normal.Conclusion Diabetes mellitus with pterygium will aggravate damage in tear film functions,and these damaged functions could be recovered through pterygium surgery with conjunctival limbal autograft.

Objective To investigate the clinical efficacy of Shenmai injection (SMI) combined with heart transplantation of autologous bone marrow stem cells in the treatment of refractory heart failure(RHF). Methods Two hundred patients with RHF were selected from the Emergency Department of the First Affiliated Hospital of Zhengzhou University and the Cardiology Department of the First Affiliated Hospital of Henan College of Traditional Chinese Medicine. They were randomly divided into control group and treatment 1,2 and 3 groups(each 50 cases). In the control group,heart failure standard treatment was given;group 1 received a standard treatment for heart failure combined with autologous bone marrow stem cell heart transplantation;group 2 received a standard treatment for heart failure with SMI;group 3 received a standard treatment for heart failure combined with autologous bone marrow stem cell heart transplantation and SMI. The mean follow-up was 24 months. The prognosis,readmission rate,clinical efficacy,cardiac function and the change in levels of B-type natriuretic peptide(BNP)of patients in each group were observed during the therapeutic course and observation period. Results During the course of treatment,there were 10 cases dead in the control group,4 in each group 1 and 2 respectively,and 3 in group 3. Readmission rates in group 1,2 and 3 were significantly lower than that in control group(38%,36%,24%vs. 48%, P<0.05 or P<0.01). The rates of total efficiency in group 1,2 and 3 were obviously higher than that in the control group(88%,86%,94%vs. 76%,all P<0.05). After treatment,the left ventricular ejection fraction(LVEF),left ventricular fractional shortening(FS)and left ventricular end-systolic diameter(LVESD)in three therapeutic groups were significantly higher than those before treatment,while the left ventricular end-diastolic diameter(LVEDD)and BNP level were significantly lower than those before treatment. All the above indexes in three therapeutic groups after treatment were much more remarkably improved than those in the control group during the same period,and the group 3 being the most significant〔LVEF:0.477±0.099 vs. 0.396±0.098,FS:(30.0±5.1)%vs.(26.8±7.5)%,LVESD (mm):40.6±9.1 vs. 45.8±9.4,LVEDD(mm):44.9±9.8 vs. 52.8±10.1,BNP(ng/L):515±400 vs. 1 875±400, all P<0.05〕. Conclusion SMI combined with heart transplantation of autologous bone marrow stem cells has obvious therapeutic effect for treatment of RHF.

Objective To develop a superparamagnetic iron oxide nanoparticles ( SPIO ) based on MRI probe specifically targeting human epidermal growth factor receptor 2 (HER2) and explore its value as MRI positive contrast agents in vitro.Methods (1) The superparamagnetic iron oxide ( PS) was obtained by means of classical coprecipitation in polylactic acid solution , then coupled with fluorescein isothiocyanate (FITC) labeled LTVSPYW to develop the targeted probe ( FITC-LTVSPWY-PS).The particle size was measured under transmission electron microscope.Relaxation rate was detected by 3.0 T MR scanner.(2) Climbing films of human breast cancer cell MCF-7 were prepared and incubated with FITC-LTVSPWY-SPIO, then fluorescence distribution was observed under inverted microscope.And distribution of iron particles was confirmed by prussian blue staining.(3) MCF-7 and MDA-MB-231 cells were incubated with FITC-LTVSPWY-SPIO and PS, respectively.MCF-7 incubated with FITC-LTVSPWY-PS were used as experimental group, MCF-7 treated with PS as control group , and cells added with nothing as blank group.There were 3 samples in each group.The MR imaging was performed only once and T 2 WI signal intensity of cells was recorded.The comparison of T 2 signal intensity among groups was conducted by using one-way ANOVA.Results The core and surface size of nanoparticles were (13.9 ±1.6) nm and (122.0 ±5.5) nm respectively.Zeta potential and relaxation rate of the FITC-LTVSPWY-PS were ( -30.7 ±2.2 ) mV and 70.7 m· M-1 · s-1 respectively, and the PS were (28.1 ±2.8) mV and 72.1 m· M-1 · s-1 respectively.The fluorescence could be seen on the surface of MCF-7 cells, and the prussian blue staining showed that FITC-LTVSPWY-PS could specifically target HER 2-positive cells.The low signal on T 2 WI was observed in MCF-7 cells incubated with FITC-LTVSPWY-PS, whereas cells treated with PS and blank group showed equal signals , the T2 values were ( 61.8 ±5.7 ) , ( 101.6 ±2.5 ) and ( 103.5 ±1.9 ) ms respectively.Significant difference existed among these groups ( F =355.698, P <0.05 ).Conclusions The MR targeting probe FITC-LTVSPWY-PS was prepared successfully , its physical characterization and magnetic properties could target the HER 2 highly expressing on the surface of breast cancer cells and meet the need of targeted imaging.It provides an important tool for MR molecular imaging.