Nicotinamide phosphoribosyltransferase( NAMPT) is the rate-limiting enzyme that catalyzes the first step in Nicotinamide adenine dinucleotide( NAD) biosynthesis and regulates biological processes such as metab-olism,growth and apoptosis of cells.In the past few years,a large number of studies have found that expression level of NAMPT is increased in a variety of malignancies,which is associated with the progression and treatment of malig-nant tumors.The research of the mechanism of NAMPT in malignant tumors and molecule inhibitors of the NAMPT have brought new hope and prospect for the treatment of malignant tumors.This article makes a brief review of NAMPT research status in malignant tumors.

The single or combined administration of Raltitrexed with other anticancer drugs have showed prospective curative effects on solid tumor .This paper reviews the current research situation of Raltitrexed against malignant tumor and explores the possibilities for the efficacy and mechanism in treatment of malignant tumor . Raltitrexed is one kind of effective anti cancer drugs and plays a more and more important role in solid tumor ther -apy.

Objective To summarize our experience on the diagnosis and treatment of gastric smooth muscle tumor.MethodThe clinical data of 34 cases with gastric smooth muscle tumor were analyzed retrospectively.ResultLeiomyosarcomas were ≥5 cm in diameter in 68% of all cases, and ≥10 cm in 50%. Most leiomyosarcomas were located in the fundus and corpus of the stomach (94%). Some patients of gastric leiomyosarcoma have the triad of epigastric pain, mass, and bleeding. Gastroscopy examination often reveals a mass lying submucously. Total or partial gastrectomy was performed for all patients based on tumor size and locus. The 3, 5, 10-year′s survival rate were 87%, 52% and 26% respectively. Conclusion Most gastric leiomyosarcomas are characteristic of local invasiveness, postoperative survival is often favourable.

Objective To test and compare CA19-9,CEA with Specific N-Glycans in early-middle stage pancreatic carcinoma serum to find a better tumor marker in early pancreatic carcinoma .Methods To find the difference of N-Glycans structure ,DSA-FACE was performed in 35 early middle stage pancreatic carcinoma patients and 50 healthy human .Meanwhile ,we tested CA19-9 and CEA in the pancreatic carcinoma patients at the same stage.Result The serum N -glycan profiles of pancreatic carcinoma was identified by the DSA -FACE technique.The results showed that between pancreatic carcinoma patients and healthy persons ,there were significant differences in N -glycans.The peak 13,14 and 17 were the most significant peaks which would be most likely picked as a new tumor marker of pancreatic carcinoma .Taking log(p14 ×p17/p13)as indicator of the ROC curve analysis,and the area under ROC curve was 0.799 ±0.050 with 84.9% sensitivity and 68% speci-ficity.Meanwhile,the sensitivity of CA19-9 was 61.2%,the sensitivity of CEA was 11.7%.Conclusion The Peak 13,14 and 17 are the most significant peaks which would be picked as a new tumor marker of pancreatic carcinoma.Espicially,its sensitivity is superior to CA19-9、CEA for early middle stage patients .

Objective To investigate the structural changes in specific serum N-glycans in pancreatic cancer patients and to identify the specific serum maker of pancreatic cancer.Methods The pancreatic cancer patients who visited the Third Affiliated Hospital of Harbin Medical University from June 201 1 to December 2013 were assigned to preoperative serum group (123 cases)and postoperative serum group (78 cases);healthy controls whose serum samples were collected in the Physical Examination Center were selected as control serum group (271 cases).DNA sequencer-aided fluorophore-assisted carbohydrate electrophoresis (DSA-FACE)was used to analyze serum N -glycans and compare them between the three groups.Results The serum N-glycan profiles in pancreatic cancer patients were identified by DSA-FACE.The results indicated that N-glycan peak 8 in preoperative serum group was significantly lower than those in control serum group (t=2.735,P<0.05)and postoperative serum group (P<0.05),but no significant difference was found between the postoperative serum group and control serum group.Conclusion N-glycan peak 8 can be considered as a serum marker of pancreatic cancer.

Objective To compare the solution rate of berberine in Gegen Qinlian decoction and Chinese goldthread decoction,to clarify the scientific nature of the traditional Chinese medicine compound.Methods High performance liquid chromatography(HPLC)was used to detect the content of berberine in Gegen Qinlian decoction and Chinese goldthread decoction.Chromatographic condition was C1 8 chromatographic column,mobile phase was acetonitrile:0.05mol/L of potassium dihydrogen phosphate(48:52)(0.4g sodium dodecyl sulfate was added to per 1 00mL solution,adjusted pH to 4.0 with glacial acetic acid),detection wavelength was 345nm,the sample size was 1 0μL,flow rate was 1 .0mL/min,column temperature was 30℃.Results The average decoct rate of berberine in Gegen Qinlian decoction was 0.73%,while that was 0.45% in Chinese goldthread decoction,there was significant difference between the two groups(P <0.01 ).Conclusion The efficacy of TCMcompound Gegen Qinlian decoction is greater than the efficacy of the unilateral simple accumulation,so traditional Chinese medicine compound has certain scientific nature.

Objective To investigate the standard supplement of a certain dose of vitamin D for blood pressure control in pa-tients with essential hypertension.Methods 100 cases of patients with essential hypertension were randomly divided into 2 groups voluntarily,50 cases in each group.One group were set as control group,in which patients underwent a standard treatment.The other group was experimental group,in which 25 μg/d vitamin D was administrated in addition to standard treatment.Serum 25-hydroxyvitamin D[25 (OH)D]concentrations were measured by enzyme-linked immunosorbent assay(ELISA)and patients were followed up for one year to observe the situation of blood pressure controll.Mean and variable coefficient(CV)of systolic and dias-tolic blood pressure were calculated and compared between groups.Results In experiment group,the serum 25 (OH)D concentra-tion was (110.3±24.5)μg/L,systolic pressure was (144±16)mm Hg,variable coefficient of systolic pressure(CV1)was 11.1%, diastolic pressure was (87±9)mm Hg,variable coefficient of diastolic pressure(CV2)was 10.3%.While in control group,the 25 (OH)D concentration was (30.1±14.9)μg/L,systolic pressure was (145 ±26)mm Hg,CV1 was 17.9%,diastolic pressure was (87±10)mm Hg,CV2 was 12.4%.Serum 25(OH)D concentration and CV1 were statistically different between the two groups(P<0.01),CV2 was not statistically different(P >0.05).Conclusion Administrate quantitative vitamin D in addition to standard treat-ment is helpful for systolic pressure control in patients with essential hypertension but is meaningless for diastolic pressure control.

Objective To investigate the apoptosis induced by adenovirus mediated PML growth suppressor in SGC-7901 gastric cancer cells. Methods Human full-length PML cDNA was cloned into shuttle plasmid pSGCMV, the constructed plasmid containing PML gene was co-transfected into 293 cells together with backbone plasmid pPE3 to obtain recombinant adenovirus Ad-pml. Ad-pml was used to infect SGC-7901 cells. The expression of p53 and bcl-2 in SGC-7901 cells and qualitative, quantitative index of cell apoptosis were detected with MTT, flow cytometry and immunohistochemical method. Results The growth of SGC-7901 cells was inhibited and the apoptosis rate was increased by adenovirus mediated PML in a MOI- dependent manner. The expression of p53 protein was increased and that of bcl-2 protein was unchanged in SGC-7901 cells after treated with adenovirus mediated PML. Conclusions Adenovirus mediated PML exerts its cytotoxic effect on SGC-7901 cells by inducing apoptosis. The increase of p53 protein expression is the mechanism inducing gastric cancer cell apoptosis.

Objective To observe the effects of early postnatal exposure to low-dose m-tolyl methylcarbamate(MTMC) on neurobehavior and spatial learning and memory ability in adolescent and early adult mice,and to dertermine when to affect this ability.Methods ICR mice pups randomly divided into 5 groups received intraperitoneal injections(i.p.) of different doses of MTMC(5 mg?kg-1,0.5 mg?kg-1,0.05 mg?kg-1),DMSO solution and normal saline respectively every other day during postnatal days(PND) 3～13.The general physiological condition and neural development of mice during experiment were evaluated,and a battery of tasks,i.e.hole-board test,beam walking,open field,Morris water maze(MWM),was used to assess their neurobehavior and spatial learning and memory ability in different time.Results Scores were negatively correlated to the doses of MTMC by Spearman rank correlation analysis in beam walking on PND60(rs=-0.418,P

Objective: To investigate HDAC5 expression in gastric cancer cell lines and its effects on the proliferation and apoptosis of the gastric cancer line SGC-7901. Methods: The expression patterns of HDAC5 and Twist1 in gastric cancer cell lines and normal gastric mucosal cells were detected by Western blot. The effects of HDAC5 and Twist1 on the proliferation and apoptosis of SGC-7901 cells were analyzed by MTT and flow cytometry, respectively. Results: The expression of HDAC5 and Twist1 in gastric cancer cell lines were significantly higher than that in normal gastric mucosal cells (P<0.05). HDAC5 knockdown significantly down-regulated Twist1 expression,inhibited cell proliferation, and induced apoptosis in SGC-7901 cells, whereas HDAC5 overexpression exhibited an opposite effect (P<0.05). Moreover, Twist1 knockdown significantly inhibited cell proliferation and induced apoptosis in SGC-7901 cells (P<0.05). Conclusion:HDAC5 may promote cell proliferation and inhibit apoptosis in gastric cancer cells by upregulating Twist1 expression, thus promoting the initiation and development of gastric cancer.