Objective To investigate the expression and clinical significance of miR-96-5p in primary hepatocellular carcinoma (HCC) at early recurrence after radical surgery. Methods 61 HCC eryopreservation tissue samples from the liver carcinoma specimens data obtained after radical surgery and banked in our hospital were divided into 2 groups: early recurrence group (33 cases) and non-early recurrence group (28 cases). Aquantitative real-time polymerase chain reaction (qRT-PCR) was performed to detect the expression of miR-96-5p. Results Compared with the non-early recurrence group , the expression of miR-96-5p was observably down-regulated [(0.634 ± 0.783) vs (5.182 ± 11.321), P = 0.043]. The expression of miR-96-5p was correlated to tumor diameter, early recurrence and vascular invasion (P<0.05). Conclusions miR-96-5p are significantly related to early liver cancer recurrence and metastasis. miR-96-5p may be a molecular marker of HCC at early recurrence as well as a target for targeted therapy of liver cancer in future.

Objective To evaluate the indications of different hepatic blood flow occlusion in hepatectomy of cancer patients. Methods One hundred and fifty-six patients admitted between 1991-2001 underwent hepatectomy with hepatic blood flow occlusion in different ways, among them 48 cases underwent hepatic segmentectomy with segmental portal vein occlusion by a balloon catheter, 71 cases underwent hepatectomy with porta hepatis occlusion by Pringle method, 37 cases treated by hemihepatectomy or partial hepatectomy with hemihepatic occlusion. Results Intraoperative blood loss in patients using balloon catheter was smaller and postoperative liver function recovered faster compared with other ways of blood flow occlusion. Conclusion The preliminary result shows that hepatic segmentectomy with segmental portal vein occlusion by a balloon catheter is safe and useful technique for hepatectomy.

BACKGROUND:Recent studies found that some factors play important role in the process of denervated muscle atrophy, especial y the feak-headbox transcription factor, is the key element to regulate the denervated muscle atrophy.
OBJECTIVE:To investigate the effect of RNA interference on inhibiting feak-headbox 3a gene expression in vitro.
METHODS:The myoblast cel line L6 were cultured in the 6-wel cel culture plates, then pEGFP-N1 and smal
interfering RNA recombinant plasmid with the same ratio was transfected under the Lipofectamine2000 mediation to optimize the transfection efficiency of the detection system;2μg smal interfering RNA recombinant plasmid of feak-headbox 3a gene were transfected with myoblast cel line L6 for 48 and 72 hours.
RESULTS AND CONCLUSION:At 48 hours after pEGFP-N1 and siRNA recombinant plasmid transfection, a large number of bright green fluorescent displayed under fluorescence microscope with higher transfection efficiency. Real-time quantitative PCR analysis showed that there were significant differences in the sequences of feak-headbox 3a-Ⅰ, feak-headbox 3a-Ⅱ, feak-headbox 3a-Ⅲ, feak-headbox 3a-Ⅳ on feak-headbox 3a mRNA when compared with the control group at 48 and 72 hours after trasfection (P<0.05), and the inhibition effect was more significant at 72
hours after transfection when compared with that at 48 hours after transfection. Western Blot gray analysis showed that there were significant differences in sequences of feak-headbox 3a-Ⅰ, feak-headbox 3a-Ⅱ, feak-headbox 3a-Ⅲ,
feak-headbox 3a-Ⅳ on feak-headbox 3a mRNA when compared with the control group at 48 and 72 hours after
trasfection (P<0.05), and the inhibition effect was more significant at 72 hours after transfection when compared with that at 48 hours after transfection, which was same with the effect on mRNA level. RNA interference in vitro can
significantly inhibit the fork-head transcription factor feak-headbox 3a gene expression, and the inhibition effect of feak-headbox 3a gene smal interfering RNA recombinant plasmid transfected with the sequence on the mRNA and protein level of feak-headbox 3a is not clear, which can provide new idea for the gene therapy of RNA mediated denervated skeletal muscle atrophy.

Objective To identify the miR-217 targeted gene ANLN by experiment.Methods Bioinformatic algorithms were used to predict the potential targets of miR-217.Then,ANLN binding with miR217 and mutant ANLN (mutANLN) sequence were designed and synthesized,and their amplified fragments were inserted into plasmid psiCHECK-2,and recombinant plasmid psiCHECK-2-ANLN and psiCHECK-2-mutANLN were reconstructed.The two recombinant plasmids were co-transfected into pancreatic cancer cell line PANC1 with miR-217,miR-217 inhibitor,NC,NC inhibitor by liposome,respectively.Dual luciferase reporter system was used to determine the luciferase activity,and Western blot was used to measure the expression of ANLN protein.Results The luciferase activities of psiCHECK-2-ANLN,psiCHECK-2-ANLN +miR-217,psiCHECK-2ANLN + miR-217 inhibitor,psiCHECK-2ANLN + NC,psiCHECK-2-ANLN + NC inhibitor were 2.221 ± 0.188,0.769 ± 0.061,3.764 ± 0.371,2.265 ± 0.201,2.242 ± 0.018,and the difference among these groups was statistically significant (F =77.405,P ＜0.001),but the difference among psiCHECK-2ANLN group,psiCHECK-2-ANLN + NC group and psiCHECK-2-ANLN + NC inhibitor group was not statistically significant.However,luciferase activities of psiCHECK-2-ANLN + miR-217 group were significantly decreased when compared with other 3 groups,and luciferase activity of psiCHECK-2-ANLN +miR-217 inhibitor group were significantly increased when compared with other 4 groups (all P ＜0.001).Luciferase activities of groups transfected with psiCHECK-2-mutANLN was not significantly different (P =0.053).The expression of ANLN protein in PANC1 with psiCHECK-2-ANLN + miR-217 co-transfection was significantly down-regulated when compared with that with psiCHECK-2-ANLN transfection alone.Conclusions ANLN is one of the direct target genes of miR-217 in PANC1 cells.

Objective To study the influence of different intensities of treadmill exercise training on bone biomechanical properties and the bone healing in type 2 diabetic model rats.Methods Fifty-two healthy 8-month-old male Sprague-Dawley rats were randomly divided into a control group (n =10) and a type 2 diabetic model group (n =42).Type 2 diabetes was modeled in rats of the model group by feeding feedstuff containing high glucose,fat and energy food for 4weeks,followed by a single intra-abdominal injection of streptozotocin.Thirty model rats were then randomized into 3 subgroups:type 2 diabetes group,a mild exercise group and a moderate exercise group.Different intensities of treadmill training protocols was administered accordingly for 8 weeks.The biomechanical indices of the femur bone including maximum load and stress,module and energy was measured with mechanical testing instrument.Results Compared with the control group,both maximum load and energy were decreased significantly in type2 diabetes group [(148.5±17.8)N vs (192.3±43.4)N] for maximum load,and (51.38 ±13.7)mJ vs (82.0 ± 30.8) mJ for maximum stress] (P ＜ 0.05,P ＜ 0.01).Compared with the type 2 diabetes group,maximum load and stress were increased significantly in the mild and moderate exercise groups(P ＜ 0.05,P ＜ 0.01).Maximum load and energy were improved more in the moderate exercise group than in the mild exercise group [(184.1 ± 26.6)N vs (165.4±21.5)N for maximum load and (83.59 ±29.96)mJ vs (62.33 ±14.32)mJ for maximum stress] (P ＜ 0.05).Conclusions A significant decrease of the bone biomechanical properties was observed in rats with experimental type 2 diabetes,which could be alleviated by treadmill exercise training.

Objective To determine the influence of aerobic exercise on advanced glycation end products (AGEs)in plasma using a rat model of type 2 diabetes,and to provide an experimental basis for explaining the rehabilitative mechanism of aerobic exercise in type 2 diabetes.Methods Fifty-two healthy 8-week-old male SpragueDawley rats were allocated at random into a normal control group(n=10)and a type 2 diabetes model group(n=42).The latter were overfed with a high-sugar,high-fat and high-energy diet for 4 weeks,then 30ms/kg of streptozotocin was injected intraperitoneally to create a model of type 2 diabetes.Thirty diabetic rats were then allocated at random into a diabetes control group,a low intensity exercise group and a moderate intensity exercise group with 10 in each group.The treadmill exercise was administered to the animals in the low and moderate exercise groups accordingly.Results Compared with the normal control group,plasma AGEs increased significantly in the diabetes control and moderate intensity exercise groups.Compared with the diabetes control group,AGEs in the lower intensity exercise group were significantly lower.Compared with the moderate intensity exercise group,plasma AGEs in the low intensity exercise group were somewhat lower,but not significantly.Conclusion Aerobic exercise can reduce plasma AGE levels in rats with a model of type 2 diabetes.The effect is probably related to decreasing excessive blood glncose and the exercise intensity.

OBJECTIVETo explore the clinical significance of miRNA-216a expression in pancreatic cancer.

METHODSFourteen patients with pancreatic cancer undergoing pancreaticoduodenectomy and 6 patients with benign pancreas lesions were examined for miR-216a expressions in the tumor or lesion tissues using Agilent Human miRNA Microarray (V12.0). The relationship between miR-216a expressions and the clinicopathological features of the patients was analyzed.

RESULTSThe expression of miRNA-216a was significantly lower in pancreatic cancer than in benign pancreas lesions (P=0.000). The expression of miRNA-216a was significantly correlated with the T stage of the tumor (P=0.002), but not with the patients' age, gender, smoking status, tumor stage, lymph node metastases, distant metastasis, tumor differentiation, nerve invasion, vessel invasion or serum CA19-9 level (P>0.05).

CONCLUSIONSThe down-regulated expression of miR-216a in pancreatic cancer suggests the involvement of miR-216a in the tumorigenesis and development of pancreatic cancer. miR-216a may potentially serve as a novel tumor marker and also a prognostic factor for pancreatic cancer.

Adenocarcinoma ; metabolism ; pathology ; Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Male ; MicroRNAs ; genetics ; metabolism ; Middle Aged ; Neoplasm Metastasis ; Neoplasm Staging ; Pancreatic Neoplasms ; metabolism ; pathology

OBJECTIVETo evaluate the safety and effectiveness of transumbilical single port laparoscopic cholecystectomy (TSPLC).

METHODSA retrospective analysis was conducted for the 141 patients, who received TSPLC by DR. Jian in our hospital since April 2011 to October 2012, and the operative and postoperative effects of these patients were evaluated by comparing with that of the conventional laparoscopic cholecystectomy (CLC).

RESULTSIn the total of 141 TSPLC cases that included in the study, 3 cases converted to CLC. 2 cases converted to open cholecystectomy. Additionally, 1 case was diagnosed as an unexplained bowel perforation after operation, fat liquefaction occurred in 2 patients. When comparing with these cases to 306 CLC patients, there was no obvious statistical difference in the terms of patients age, gender, BMI and abdominal surgery history (P>0.05). Meanwhile, There were similar effects of the two groups of patients on the operation time (28.5∓19.3 min vs 33.4∓14.2 min, P=0.001), estimate blood loss (6.4∓18.9 ml vs 9.8∓20.6 ml, P=0.06), the time needed for closing abdomen (5.1∓3.8 min vs 5.8∓4.3 min, P=0.06) and postoperative complications (3/141 vs 5/306, P=1.00). However, the TSPLC group was superior to CLC group in the terms of the conversion rate (2/141 vs 25/306,P=0.001), and postoperative hospitalization (1.2∓1.4 d vs 2.6∓1.7 d,P<0.01), meanwhile, TSPLC was also superior to LC on the satisfactory degree of operative effect through the one week follow-up (8.5∓1.1 vs 7.9∓0.7, P<0.01).

CONCLUSIONSTSPLC is both safer and more effective than that of CLC, and thus it is worth adopting in selected hospitals.

Adult ; Cholecystectomy, Laparoscopic ; adverse effects ; instrumentation ; methods ; Female ; Gallbladder Diseases ; surgery ; Humans ; Male ; Middle Aged ; Retrospective Studies ; Treatment Outcome

Minimally invasiveness and accuracy are the aim of modern hepatobiliary surgery.Under the guidance of this concept,laparoscopic hepatectomy turns to be more mature and standardized.However,there are still some limitations for laparoscopy.Indocyanine green fluorescence imaging technique can accurately locate tumors,mapping liver segments,and display biliary tract.It is an effective real-time tool to guide the parenchymal transection accurately during operation.It can also detect small lesions and bile leakage.Indocyanine green fluorescence imaging technique makes up the limitations of laparoscopic surgery,providing better conditions for accurate surgery.In this paper,we summarized the application of indocyanine green fluorescence imaging technique in laparoscopic hepatectomy.

OBJECTIVETo study the application of three-dimensional visualization technology for laparoscopic resection of cystic carcinoma in the pancreatic body and tail.

METHODSSix cases of cystic carcinoma in the pancreatic body and tail treated between Nov, 2009 and Mar, 2011 were retrospectively analyzed. The original image data of 64-slice spiral CT were collected and using adaptive region growing algorithm, the serial CT images were segmented and automatically extracted to obtain the 3-dimensional reconstruction images with customized image manipulation software. The specific surgical approach (the trocar position) and surgical procedure were planned based on the reconstructed mode.

RESULTSThe reconstructed 3-dimensional model clearly displayed cystic carcinoma in the pancreatic body and tail and the adjacent organs, showing distinct relationship between the cystoma and the splenic artery and vein. All the patients successfully underwent laparoscopic resection of the pancreatic body and tail without perioperative death. The spleen was preserved in 5 cases and removed in 1 case due to mucinous cystadenocarcinoma. The overall rate of pancreatic fistulae was 33.3% without incidences of postoperative hemorrhage. The average hospital stay of the patients was 12 days.

CONCLUSIONThree-dimensional reconstruction based on pancreatic CT data provides valuable assistance for laparoscopic resection of cystic carcinoma in the pancreatic body and tail.

Adult ; Aged ; Computer Simulation ; Cystadenocarcinoma, Mucinous ; diagnostic imaging ; surgery ; Cystadenoma, Mucinous ; diagnostic imaging ; surgery ; Cystadenoma, Serous ; diagnostic imaging ; surgery ; Female ; Humans ; Imaging, Three-Dimensional ; Laparoscopy ; adverse effects ; methods ; Length of Stay ; Male ; Middle Aged ; Pancreas ; diagnostic imaging ; surgery ; Pancreatectomy ; adverse effects ; methods ; Pancreatic Fistula ; etiology ; Pancreatic Neoplasms ; diagnostic imaging ; surgery ; Retrospective Studies ; Spleen ; surgery ; Tomography, Spiral Computed