Objective To investigate the effect of small interfering RNA (siRNA)-mediated Survivin knock-down on proliferation of human pancreatic cancer cell line Patu8988 and their sensitivity to Gemcitabi.Methods The siRNA against Survivin was constructed and transfected into Patu8988cells with LipofectamineTM 2000.The expression of Survivin was detected by RT-PCR and Western blot.Flow cytometry was used to detect the cell cycle.Sensitivity to Gemcitabi after transfection were examined by MTT and clonogenic assay.Results In Patu8988 cells,the protein and mRNA levels of Survivin were decreased significantly after transfection,gene expression:control group:0.78 ± 0.03,blank control group:0.82±0.06,experimental group:0.52 ± 0.05 ; protein expression were as follows:control group:0.77 ± 0.21,blank control group:0.77 ± 0.26,experimental group:0.57 ± 0.03,and the difference was statistically significant ( P ＜ 0.05 ).And reduction of proliferation was related to an increase in the fraction of G0/G1 phase.The sensitivity of Patu8988 cells to Gemcitabi was increased significantly after transfection.Conclusions The Survivin special siRNA silenced Survivin,decreased Patu8988 cells proliferation and enhanced their sensitivity to Gemcitabi.

There are many problems about multiple breast cancer (MBC),such as whether it results from intramammary spread of a single tumor, or from two or more separate neoplastic events? Whether MBC has inferior outcome compared with unicentric lesions? Whether MBC is suit for conservative surgery and the sentinel lymph node biopsy, and so on. Thus: We reviewed the prospect for diagnosis and therapy of MBC.

Objective To investigate the effects of valsartan on insulin resistance of type 2 diabetes in patients with Ⅰ hypertension.Methods Newly diagnosed 152 patients of type 2 diabetes with Ⅰ hypertension were randomly divided into treatment group and control group.The treatment group and control group undergone lifestyle changes( diet and adequate exercise) for two weeks.After that,the control group were given Diltiazem,while the treatment group were given valsartan,an angiotensin receptor blocker(ARB) drugs.Both groups were treated for 8 weeks.Fasting plasma glucose (FPG) and fasting plasma insulin (FINS) before and after treatment in both groups were determined.Homeostasis model assessment evaluation of insulin resistance index(HOMA-IR) and insulin sensitivity index (IAI) were carried out and compared between the two groups.Results After 8 weeks of treatment,HOMA-IR in the treatment group was significantly decreased compared with the control group ( P ＜ 0.01 ),while IAI was significantly increased( P ＜ 0.01 ).Conclusion Application of valsartan in type 2 diabetes mellitus with Ⅰ hypertension can significantly improve the level of insulin resistance.

Objective To compare the characteristics of coronary artery lesions and ventricular systolic, diastolic and synchronous function of non-ST-segment elevation (NSTEMI) with those of ST-segment elevation myocardial infarction (STEMI) in Chinese. Methods One hundred and sixty-eight consecutive patients with NSTEMI 116 and STEMI 52 were enrolled into this study. Coronary angiography (CAG) was performed within 72 hours in all patients, while the parameters of left ventricular function were measured by equilibrium radionuclide angiography (ERNA) with ventricular phase analysis (PA) within 1 week after acute myocardial infarction. Results (1) The incidences of patients associated with diabetes and old myocardial infarction in NSTEMI group were higher than those in STEMI group (30.77% vs 10.34%; 34.62% P

Objective To investigate the alteration of serum ghrelin and leptin in patients with functional dyspepsia (FD) and their clinical significance. Methods Sixty patients with FD [-30 patients with postprandial distress syndrome(PDS) and 30 patinets with epigastric pain syndrome(EPS)] were enrolled. Thirty healthy subjects were severed as controls. The serum ghrelin and leptin were measured by enzyme linked immunosorbent assay and radioimmunosorbent assay, respectively. Results The concentrations of serum ghrelin and leptin were both significantly lower in patients with FD than in controls (P<0.01). Meanwhile, the concentrations of serum ghrelin and leptin in PDS patients were significantly lower compared with controls (P<0.01) and EPS patients (P<0.01). There was no significant difference in levels of serum ghrelin and leptin between controls and EPS patients(P>0.05). Conclusions The alterations of serum ghrelin and leptin in PDS patients are responsible for their reduction in FD patients. The PDS may he associated with abnormalities in gastrointestinal motility. There is an interaction between serum ghrelin and leptin in development of FD. The detection of serum ghrelin or leptin is helpful in classification and treatment of FD.

Objective: To investigate the effects of arginine enriched TPN on proliferation and apoptosis of intestinal epithelial cells. Methods:24 young rabbits were divided into 3 groups: control group,standard TPN group and arginine-enriched TPN group.Rabbits in the control group received free chow and water ad libitum after ligation of the right jugular vein;animals in the other two groups received standard TPN(175kcal/kg?d,200 ml/kg?d) or arginine enriched(2% of total energy) TPN.After 7 days of TPN administration,plasma and ileum were collected for the following tests: ①intestinal morphological changes;②incidence of bacterial translocation;③D-lactic acid level in plasma;④expression of proliferating cell nuclear antigen(PCNA) of epithelial cells;⑤apoptosis of epithelial cells. Results:①The mucosal thickness,villus height and villus surface area in argnine enriched TPN group were significantly higher than those in standard TPN group(P0.05).②The incidence of bacterial translocation in arginine enriched TPN group was significantly lower than that in standard TPN group(P0.05).③The plasma D-lactic acid level in arginine enriched TPN group was significantly lower than that in standard TPN group(P0.05). Conclusion:Arginine plays an important role in maintaining the integrity of gut barrier,reducing the apoptosis of epithelial cells and improving the intestinal cells proliferation.

Objective To understand the Shenzhen Dapeng new district and Longhua district 0～7 years old children in copper (Cu),zinc (Zn),calcium (Ca),magnesium (Mg),iron (Fc) and lead (Pb) 6 kinds of trace elements,in order to establish the reasonable dietary structure and provide a scientific basis for scientific and rational supplement of trace elements.Methods Collected 2 190 cases of 0～7 years old children for health physical examination in Dapeng New District Maternal and Child Health Care Hospital of Shenzhen form March to November 2015.According to the age,they were divided into the baby group (0～1 years old) of 637 cases,children group (2～4 years old) of 723 cases and preschool group (4～7 years old) of 830 cases of three groups.Used QL8000 automatic whole blood trace elements analyzer to test Fe,Zn,Ca,Cu,Mg and Pb 6 kinds of trace elements in whole blood,and the detection results were statistically analyzed and compared.Results Test results of 5 kinds of whole blood trace element(Fe,Zn,Ca,Cu,Mg) had different degrees lack in 2 190 cases of children aged 0 ～7,and lack of different level,lack of rate were 36.26％,32.83％,14.20％,0.64％ and 0.50％,respectively.Fe and Ca deficiency in young children group was most serious,lack of Zn in infant group was most serious,other microelement lack rate had no statistically significant difference between different groups (P＞ 0.05).Pb poisoning rate was 15.71％,the Pb poisoning rate decreases along with the age growth,and boys than girls,the difference was statistically significant (x2=3.15,P ＜0.05),different gender children other microelement lack rate differences had no statistical significance between the results.Conclusion The whole blood trace element of 0～7 years old children had different lack,mainly by Fe,Zn and Ca deficiency in Shenzhen Dapeng New District and Longhua District.But Children's Pb poisoning problem could not be ignored.Therefore,to streng then the 0～ 7 years old children's whole blood trace elements level survey,microelement lack of prevention and treatment of children is of great significance.

Objective To investigate the influence of alprostadil on renal function,oxidative stress,and immune function in early diabetic nephropathy patients.Methods Eighty-six cases of early diabetic nephropathy patients in our hospital during April 2013 to January 2016 were chosen as research subjects,all patients were divided into observation (n =43) and control (n =43) groups according to random data form.Patients in observation group received alprostadil combined with pioglitazone treatment and those in control group received pioglitazone treatment only,both lasted for one month.Before treatment,one month after treatment,renal function indices were detected;serum oxidative stress indices were detected by automatic biochemical analyzer;T lymphocyte subsets in peripheral blood were measured by flow cytometry.Results Before treatment,there were no significant differences in renal function,oxidative stress,immune function between two groups (P ＞ 0.05).One month after treatment,peripheral blood renal function indices such as blood urea nitrogen (BUN),estimated glomerular filtration rate (eGFR),and cystatin C (CysC) levels were lower in observation group than in control group,the level of serum albumin (Alb) was higher in observation group than in control group,the difference was statistically significant (P ＜ 0.05);semm oxidation indices malondialdehyde (MDA),and advanced oxidation protein products (AOPP) were lower in observation group than in control group,human antioxidant indices such as superoxide dismutase (SOD),and total antioxidant capacity (T-AOC) were higher in observation group than in control group,the difference was statistically significant (P ＜ 0.05);peripheral blood CD3 +,CD4 + T lymphocytes and the ratio of CD4 +/CD8 + were higher in observation group than in control group,CD8 +T lymphocyte level was lower in observation group than in control group,the difference was statistically significant (P ＜ 0.05).Conclusions Alprostadil can optimize the renal function and immune function in early diabetic nephropathy patients,reduce the degree of oxidative stress.

Objective To investigate the relationship between intra-abdominal fat area(IAFA)in male with abdominal obesity and glycometabolism related indicators. Methods Ninety-four obesity males,aged from 21 to 62 years old,were selected as our subjects. They were divided into abdominal obesity group(n = 70)and non-abdominal obesity group( n = 24). The general information of all subjects was recorded. The indexes of height,weight,waist circumference,hip circumference,body mass index(BMI)were measured. The fasting oral glucose tolerance test was performed. The levels of blood glucose(0,1,2 h)and insulin(0,1,2 h)were measured,and insulin resistance index was calculated. MRI measurement was applied to calculate the IAFA. Compared the difference between the two groups in term of the level of blood glucose,insulin and insulin resistance index,and analyzed the correlation between glycometabolism related indicators and IAFA. Results BMI,waist circumference,hip circumference,insulin resistance index and IAFA in abdominal obesity group were (28. 67 ± 4. 20)kg/ m2 ,(99. 75 ± 4. 07)cm,(104. 42 ± 7. 62)cm,2. 60 ± 1. 80,(153. 06 ± 53. 23)cm2 respectively,higher than those in non-abdominal obesity group((21. 80 ± 1. 97)kg/ m2 ,(79. 50 ± 10. 05)cm, (91. 86 ± 4. 49)cm,1. 52 ± 0. 73,(71. 78 ± 25. 48)cm2 ),and the differences were statistically significant(t= - 7. 704,- 9. 583,- 7. 618,- 2. 877,- 7. 184,P < 0. 05). The level of blood glucose at 0,1,2 h of patient in abdominal obesity group were(5. 89 ± 1. 36)mmol/ L,(10. 55 ± 3. 07)mmol/ L,and(8. 41 ± 3. 63) mmol/ L,higher than that in non-abdominal obesity group((5. 29 ± 0. 53)mmol/ L,(8. 76 ± 1. 96)mmol/ L, (6. 54 ± 1. 50)mmol/ L). Meanwhile,The insulin at 0,1,2 h of man in abdominal obesity group were(9. 71 ± 5. 05)mU/ L,(83. 29 ± 64. 51)mU/ L,(63. 56 ± 21. 09)mU/ L),significantly higher than those in non-abdominal obesity group((6. 42 ± 2. 96)mU/ L,(33. 00 ± 19. 82)mU/ L,(63. 56 ± 21. 09)mU/ L),and the differences were significant( t = - 2. 098,- 2. 671;- 2. 447,- 3. 010;- 3. 784,- 3. 089;P < 0. 05). The IAFA in abdominal obesity was positively correlated with age,BMI,waist circumference,hip circumference,blood glucose(0,1,2 h)insulin(0,2 h)and insulin resistance index(r = 0. 254,0. 533,0. 521,0. 615,0. 245,0. 315, 0. 294,0273,0. 249,0. 225,P < 0. 05 ). After adjustment for confounding factors,age( x1 ),abdominal circumference(x2)and insulin resistance index(x3)were related to IAFA(y = 1. 369x1 + 4. 472x2 + 25. 072x3- 333. 626). Conclusion Compared with patients with non-abdominal obesity,the IAFA of patient with abdominal obesity with abdominal fat area size is associated with insulin resistance.

Objective To investigate the expression of heat shock protein(HSP)70 and HSP90 in patients with atrophic gastritis(AG)or gastric cancer(GC)and its significance.Methods One hundred and forty-one patients including 35 with superficial gastritis(CSG),66 with AG(miner in 21,medium in 30 and severe in 15)and 40 with GC were enrolled with mean age of 47.8,56.1 or 59.4 years,respectively.H.pylori positive patients were 12 with CSG and 28 with AG.The quantity analysis of HSP90 and HSP70 were detected by immunohistochemistry,whereas their mRNA and protein expressions were measured by Western bolt and real-time PCR,respectively.Results The mRNA expression of HSP70 was significantly higher in CSG(1.31±0.80)and AG(1.41±0.80)than that in GC(1.18±0.70,P＜0.05),but was significantly lower in miner(1.32±0.70)and medium(1.34±0.60)AG than that in severe AG(2.20±0.80,P＜0.05).The mRNA expression of HSP90 was kept on increasing in order of CSG(1.27±0.60),AG(1.53±0.80)and GC(1.84±0.70); or in order of miner(1.33±0.60),medium(1.47±0.90)and severe(2.75±0.70)(P＜0.05).The patients infected with H.pylori had higher expression of HSP90 compared with those without H. pylori infection (P＜0.05). Conclusion The synchronous increase of HSP90 and HSP70 indicates the aggravation of AG. When HSP90 is up-regulated and HSP70 is down-regulatied, it may predict the occurrence of cancer.