Insulinoma is the most common functional pancreatic neuroendocrine tumor.Surgical removal or enucleation is the most commonly used treatment.Insulinomas are usually benign,solitary and small.So they are theoretically the good indication for radiofrequency ablation (RFA) treatment.In 2009,Limmer et al ever reported the first case of insulinoma who were successfully treated by RFA.To date,5 similar articles in English have been published,reporting 7 cases in total.In the recent year,we successfully treated 2 cases with insulinoma (one in pancreatic cauda and the other in pancreatic body).All the 2 cases got complete remission with quick alleviation of clinical symptoms and without conplications.The data of these 9 cases showed that RFA is a safe and effective treatment for insulinoma,and for selected patients,it can be recommended as a treatment of first choice.

Objective To investigate the expression of a novel oncogene Stat3 in colorectal cancer. Methods Western blot analysis was performed on cancerous and normal colonic tissue of 45 patients with colorectal carcinoma. ResultsStat3 protein level increased in colorectal cancer compared with adjacent normal mucosa ( P

Objective: To study the possibility of liposomes to ta rget hepatocytes af ter being linked with asialofetuin(AF). Methods: The biodistribu tions in differen t cells in liver as well as in blood, in various organs such as heart, spleen, l ung and kidney of mice, of traditional sterically stabilized liposomes(SSL) , AF-linked normal liposomes(AF-NL) and AF-linked sterically stabilized lipos ome s(AF-SSL) were studied by radioisotopic labeling. Results: The half-live s of SSL, AF-NL and AF-SSL were 14.44, 4.73 and 11.49 h， respectively. The di strib ution of liposomes in liver was AF-NL>AF-SSL>SSL. There was significant differenc e among these three formulations. In hepatocytes and non-hepatocytes, the conce ntr ations of the liposomes were both in line with the sequence AF-NL>AF-SSL>SSL( P <0.05). However, the ra tios of the concentrations in hepatocytes to that of non-hepatocytes were AF-N L≈AF -SSLSSL( P <0.05). Conclusion: After being labeled with asi alofetuin, liposomes can target hepatocytes very we ll， whether in long-circulation or not.

The regulation mechanism of arecoline on rat hepatic CYP2E1 was studied in vivo. After oral administration of arecoline hydrobromide (AH; 4, 20 and 100 mg x kg(-1) x d(-1)) to rats for one week, the hepatic CYP2E1 mRNA level remained unchanged, but the hepatic CYP2E1 protein content was dose-dependently increased. Additionally, although the hepatic CYP2E1 activity was induced by AH treatment, the induction was attenuated with the increase in dosage. The results indicate that the effect of arecoline on rat hepaticdoes not involve transcriptional activation of the gene, but largely involves the stabilization of CYP2E1 protein against degradation or increased efficiency of CYP2E1 mRNA translation, and additionally involve the post- ranslational modification of CYP2E1 protein. Furthermore, the CYP2E1 response is fairly equal among the different species, the induction of rat hepatic CYP2E1 by arecoline suggests that there is a risk of metabolic interaction among the substrate drugs of CYP2E1 in betel-quid use human.

Objective To observe and analyze cupping therapy for chronic wound healing.Methods Thirty-nine patients with chronic wounds were collected and randomly divided into cupping therapy group (n =20) and control group (n =19).The control group was treated with route dressing change once every other day,while the cupping therapy group was added cupping therapy.Compared the two groups of patients in general view,positive ratio of wound germiculture,area percentage of wound healing and pain score (VAS score).Results The pus of wounds was mostly drained out and the fresh tissue fluid leakage when patients were treated with cupping therapy.After three days of treatment ,the positive ratio of wound germiculture of the cupping group (6 5 % )was lower than that of the control group(79%),but the difference was not significant.After one-week treatment,the positive ratio of wound germiculture of the cupping group(40%)was significantly lower than that of the control group(73%)(χ2 =4.496, P =0.034).And the VAS score of the cupping group (2.20 ±1.00)was significantly lower than that of the control group (4.16 ±0.96)(t =-12.929,P =0.001).After two-week treatment,the area percentage of wound of the cup-ping group (80.68%)was significantly lower than that of the control group (92.28%)(t =-13.675,P =0.000). And 4 cases of the cupping group cured,while no patient was cured in the control group.Conclusion Cupping thera-py based on route dressing change has positive therapeutic effect on chronic wounds.And the advantages of lower cost and easier operations would make it suitable for middle-and low-income individuals and primary hospitals.

Objective To study the expression feature and clinical significance of plasma Protein C(PC) in pre‐PICC placement and post‐PICC placement in patients with cancer .Methods The levels in plasma of PC was tested by ELISA in patients with cancer in one day before PICC placement ,in one day ,30 day ,and 90 day after PICC placement ,the change of feature and clinical signifi‐cance was analyzed .Results The levels of PC in one day after PICC placement were 3 .74 ± 1 .99 μg/L ,the levels was lower than the levels of in one day before ,and in 30 ,90 day after PICC placement ,which were 5 .00 ± 2 .40 ,4 .78 ± 2 .41 and 5 .35 ± 2 .71 μg/L (q=3 .74 ,2 .85 and 4 .58 respectively ,P<0 .05);There were no statistical significance both in D‐D levels and PLT count among pre‐PICC and post‐PICC placement(P>0 .05);There were no correlation both PC levels and D‐D levels ,and both PC levels and PLT count(r= -0 .024 1 and 0 .111 0 ,all P>0 .05) .Conclusion The PC levels in one day after PICC placement were lower ,but there were no correlation both PC and D‐D ,and PLT .PICC catheter were safety .

OBJECTIVE To investigate the effects and its underlying mechanis m of bisphenol-A (BPA)exposure on spine and synapse formation in detate gyrus (DG)area of hippoca mpus during criti-cal develop mental period.METHODS Sprague-Dawley(SD)rats were injected intraperitoneally with BPA (50,250 and 500 μg·kg -1·d -1 )fro m postnatal day 7 (PND7)to PND14.Dendritic spine morphol-ogy in DG area was exa mined using Golgi-Cox staining method and determined with I mage J software. Western blotting method was e mployed to test the Wnt related proteins.RESULTS The spine density and the average spine head size in BPA exposed groups significantly decreased in a dose-dependent manner when co mpared to control group(P<0.05).Meanwhile,Wnt related proteins were affected dur-ing BPA exposure.Specifically,the percentage of phosphorylated β-catenin increased following BPA ex-posure (P<0.05),whereas Wnt7a expression level was significantly decreased and Wnt5a expression level increased (P<0.05).CONCLUSION Wnt signaling pathway plays an i mportant role in BPA-in-duced i mpairments in spine and synapse formation.

Objective To study the expression and significance of Neogenin,Hepcidin and serum ferritin(SF)in patients with cancer-related anemia.Methods To test the serum levels of Neogenin,Hepcidin and SF in 107 cases,including 55 cases with cancer-related anemia and 52 cases of non-anemia with tumor by ABC-ELISA.Results ①The serum levels of Neogenin in patients with cancer-related anemia were 0.77 ± 0.45 ng/ml,which were lower than 0.98 ± 0.60 ng/ml in non-anemia group (t=2.003 8,P <0.05).The serum levels of Hepcidin in patients with cancer-related anemia were 6.03±4.25 μg/ml, which was higher than 4.51±2.23 μg/ml in non-anemia group (t=2.319 5,P <0.05).②There were no difference in pa-tients between anemia and non-anemia (t=1.898 0,P >0.05).③In patients with cancer,there were positive correlation be-tween Neogenin and Hb (r=0.212 4,t=2.226 4,P <0.05),there were negtive correlation between Hepcidin and Hb (r=-0.310 1,t=3.345 2,P <0.01),but there were no correlation between SF and Hb (P >0.05).④There were positive cor-relation between Hepsidin and SF (r=0.486 6,P <0.01).Conclusion There were lower expression of Neogenin,higher ex-pression of Hepcidin in patients with cancer-related anemia is a complex process.The abnormal expression of Neogenin and Hepcidin which were lead to the loss of use of iron are the key factors attribute to anemia in patients with cancer.

AIM: The purpose of the study was to examine colon cancer cell lines to determine whether Stat5b/Survivin plays an important role in the process of apoptosis in colon cancer cells. METHODS: Protein lysates were extracted from colon cancer cells. Human colon cancer cell line HT29 was transfected with Stat5b antisense oligonucleotide mediated by liposome. MTT assay was used to measure the proliferation. Flow cytometry was applied to analyze the cell cycle and apoptosis. EMSA was used to detect the activity of Stat5. Western blotting was applied to measure the expression of Stat5, p-Stat5, cyclin D1, Survivin, Bcl-2 and Bcl-xL. RESULTS: Targeting of Stat5 using antisense oligonucleotide against the translation site resulted in apoptosis and downregulaed the expressions of Stat5, p-Stat5, cyclin D1 and Survivin, but not Bcl-2 and Bcl-xL. CONCLUSION: Constitutive activation of Stat5 is associated with the carcinogenesis of colon cancer cells. Blocking of Stat5 signaling inhibits the expression of Survivin and induces apoptosis in colon cancer cells.

Objective To enhance the solubility and bioavailability of curcumin (CUR).Methods A novel curcumin nanoparticles were prepared.The CUR-PGD nanoparticles were prepared by the method of ultrasound precipitation combined with high-pressure homogenization using codendrimer PAMAM-co-0.25OEG (PGD) as stabilizer.The stability of CUR-PGD nanoparticles was measured in 0.9% sodium chloride solution,5% glucose, PBS and plasma.Results The drug loading capacity (DL%) of CUR-PGD nanoparticles was 41.2%, the solubility of CUR was increased to 1.5 mg·mL-1 (50 times of CUR bulk powder).The mean diameter of the nanoparticles was 438.0 nm with spherical morphology and the zeta potential was 41.4 mV.The nanoparticles was stable in 0.9% sodium chloride solution,5% glucose, PBS and plasma and there was no hemolytic phenomenon, which meant they were suitable for intravenous administration.The DSC and XRD spectra of CUR-PGD nanoparticles showed that the CUR was presented as crystal morphology in the nanoparticles.The CUR released from nanoparticles was detected in different releasing medium and presented obvious controlled release behavior.Conclusion PGD may be an effective stabilizer for the preparation of CUR-PGD nanoparticles and CUR-PGD nanoparticles are a promising drug delivery system for CUR application in clinic.