OBJECTIVETo investigate whether bortezomib can enhance the sensitivity of human prostate cancer (PCa) cells to natural killer (NK) cell-mediated cytotoxicity, and whether it produces the same effect on different PCa cell lines.

METHODSWe treated androgen-dependent PCa LNCaP cells and androgen-independent PCa DU145 cells with bortezomib at the concentrations of 0, 5, 10, 15, 20 and 25 nmol/L for 24, 48 and 72 hours, and then detected the proliferation and apoptosis of the tumor cells by CCK-8 and Annexin V/PI, respectively.

RESULTSThe proliferation rates of the DU145 cells treated with 15, 20 and 25 nmol/L bortezomib were (82.79 +/-2.04)%, (73.59+/- 2.95)% and (74.16+/- 6. 16)% at 48 hours and (71.24+/- 5.30)%, (51.20+/- 2.91)% and (38.02+/- 2.67)% at 72 hours, and those of the LNCaP cells were (77.04+/- 7.74)% , (42.61 +/- 6.62)% and (23.85 +/-6.04)% at 48 hours and (36.45 +/-7.02)%, (14.94 +/-5.76)% and (11.65 +/-5. 87)% at 72 hours, both significantly inhibited as compared with the control group (P <0.05). At 24 hours, the apoptosis rates of the DU145 cells treated with 15, 20 and 25 nmol/L bortezomib were (14.41 +/- 1.32)% , (16.13 +/- 1.55)% and (14.48 +/- 1.42)% , and those of the LNCaP cells treated with 20 and 25 nmol/L bortezomib were (12.77 +/- 1.28)% and (14. 84 +/- 1.65)% , significantly higher than those of the control group (P <0.05) , and the DU145 cells showed an even higher sensitivity to bortezomib than the LNCaP cells. Bortezomib failed to sensitize these two cell lines to NK cell-mediated cytotoxicity in short-term assay, while long-term assay manifested that the apoptosis rates of DU145 and LNCaP cells after treated with 20 nmol/L bortezomib + NK cells were (41.83 +/- 5.06)% and (30.31 +/- 3.62)% , respectively, significantly higher

CONCLUSIONBortezomib enhances the sensitivity of than those after treated with either bortezomib or NK cells alone (P <0.05). PCa cells to NK cell-mediated cytotoxicity and adds to the effect of current cancer therapies, and it is more efficacious for androgen-independent prostate cancer.

Apoptosis ; drug effects ; Boronic Acids ; pharmacology ; Bortezomib ; Cell Line, Tumor ; Cytotoxicity, Immunologic ; drug effects ; Humans ; Killer Cells, Natural ; drug effects ; Male ; Prostatic Neoplasms ; pathology ; Pyrazines ; pharmacology

Objective To examine the circulating glucose and body weight in the transgenic MKR mouse model who expressed dominant-negative IGF-1 receptor and insulin receptor in skeletal muscle leading to systemic insulin resistance and diabetes. Methods MKR mice were genotyped by PCR analysis of tail DNA.And in these mice we examined the circulating glucose and body weight once a week from 1 to 16 weeks of age, and the circulating insulin and glucose tolerance at age of two-month-old by using C57 mice as controls. Results The descendents of MKR mice kept hereditary feature. And these mice had hyperglycaemia from 3 weeks of age,and an increasing body weight slowly(P

[Objective] To study the inhibitory effect of bcl-2 antisense oligonucleotide(ASODN)combined with radiation on lung carcinoma cells NCI-H446.[Method]The cultured NCI-H446 lung carcinoma cells were divided into 5 groups:control,pure radiation,nonsense+radiation,lipofectin+radiation,ASODN+radiation.Every group except for control were assayed by MTT on the inhibition rates,24h,48h,72h after 10Gy irradiation respectively.[Results]The inhibitions of lung carcinoma cells NCI-H446 were observed in ASODN+radiation,lipofectin+radiation,nonsense+radiation and pure radiation groups.The differences between the ASODN+radiation group and the other three groups were significant(P

Objective To explore the clinical efficacy and the influence of one-port,three-port and four-port laparoscopic cholecystectomy on quality of life in patients with laparoscopic cholecystectomy.Methods The clinical data of 60 patients with laparoscopic cholecystectomy were reviewed,and to compare the general condition,the influence of postoperative recovery and complications,disease of digestive system and the quality of life index in patients treated by one-port laparoscopic cholecystectomy(one-port group),three-port laparoscopic cholecystectomy(three-port group) and four-port laparoscopic cholecystectomy(four-port group).Results Although the time of operation in oneport group was longer than the other two groups (t =3.82,P ＜ 0.05 ; t =4.04,P ＜ 0.05),there were significant differ ences in the volume of the inoperative blood loss,hospital stay time,hospital costs in one-port group compared with the other two groups (P ＜ 0.05).There was no difference among the three groups in the incidence of postoperative complications (P ＞ 0.05).And when leaving hospital,the score of all dimensionalitis in the scale of Gastrointestinal quality of life index (CIQLI),containing the state of physiological function,state of daily life and social activities,psychological emotional state and quality of life of the total score were all higher than those in the other two groups (t =2.22,1.87,2.31,2.43,all P ＜ 0.05),and there was no difference between three-port group and four-port group(P ＞ 0.05).Conclusion Compared with the three-port laparoscopic cholecystectomy and four-port laparoscopic cholecystectomy,one-port laparoscopic cholecystectomy can reduce the inoperative blood loss,shorten hospitalization time and reduce their fee in hospital,and it also can effectively improve patients'quality of life,restore the patients'normal work and life in the shortest possible time.

The significance and method of green chemistry teaching are expounded in detail during the course of medical chemistry experiment,and a new experiment system of green chemistry suiting with medicine is designed in the paper.

Objective To explore the impact of combined laparoscopic and choledochoscopic treatment on bile leak in hepatic hydatid disease at a high attitude region.Methods The clinical data of 50 patients who underwent combined laparoscopic and choledochoscopic treatment were compared with 50 patients who underwent laparoscopic surgery alone for hepatic hydatid internal capsule excision surgery.Results In the combined laparoscopic and choledochoscopic group,the incidence of biliary fistula after surgery was 15％,the incision infection rate was 13％,the length of hospitalization was (11.6 ± 3.8) days and the postoperative time to take off drain was (14.3 ± 7.9) days.These were significantly better than those in the laparoscopic alone group.The operation time in the former group was (108.2 ± 28.4)min,which was slightly longer than the laparoscopy group.Conclusion The combined laparoscopic and choledochoscopic treatment is a safer therapeutic option in treating hepatic hydatid disease with less trauma,faster recovery and shorter hospital stay than laparoscopic surgery alone in a high attitude region.

Aim Tostudytheantidepressanteffectand mechanism of Gross saponins of Tribulus terrestris. Methods Themodelofdepressionwasestablishedby unpredictable chronic mild stress(UCMS),then open filed test (OFT)and tail suspension test (TST)were used to evaluate the behavioral changes.LC-MS/MS method was employed to measure blood neurotransmit-ters.mRNA expressions of IDO,IL-10 and IL-1βwere detected by quantitative PCR method.Hippocampus protein expression was detected by Western blot.Re-sults Comparedwithcontrolgroup,modelgroup's total distance,number of standing and tail suspension fixed time increased significantly (P <0. 05 ),Neuro-transmitter level of 5-HT in the blood was significantly decreased(P<0. 05 ).mRNA expression of IDO and IL-1βwas increased in hippocampus.Protein expres-sion of IDO was significantly increased in hippocampus (P <0. 05 ).Compared with model group,the treat-ment group was significantly decreased in total distance,number of standing and tail suspension fixedtime(P<0. 05).Neurotransmitter level of 5-HT in the blood and mRNA expression of IL-10 in hippocampus were significantly increased after treatment (P <0. 05 ).mRNA and protein expression of IDO were ob-viously down-regulated in hippocampus (P <0. 05 ). Conclusions GrosssaponinsofTribulusterrestriscan obviously improve rat behavior and show antidepressanteffect,which can increase neurotransmitter level of 5-HT in the blood,down-regulate mRNA expression of IDO and IL-1β,and obviously increase protein expres-sion levels of IDO in hippocampus(P<0. 05 ).

Objective To evaluate the effect of combination of surgery and transcatheter hepatic arterial chemotherapic embolism(THACE) with or without placement of drug deliery system(DDS) of portal vein for hepatocellular carcinoma with portal vein tumor thrombus (PVTT). Methods Fifteen cases of advanced HCC with PVTT were treated by hepatectomy, thrombectomy of portal vein with THACE,and 5 of the 15 cases received postoperative chemotherapy via portal vein. Results All patients survived after operation. The survival rate of 6,12,18 months was 15,12 and 9 cases respectively. Conclusions Operation is still an effective method for advanced HCC , postoperative comprehensive treatment can improve the survival rate.

Background and purpose: High-dose chemotherapy followed by autologous stem cell transplantation (auto-HSCT) is considered as the ifrst line treatment for patients with relapse/refractory lymphoma after conventional chemotherapy. However, most of these patients still relapse the second time. The purpose of this study was to analyze the efifcacy of the consolidation chemotherapy after autologous stem cell transplantation (HSCT) refractory/relapse lymphoma in high risk. Methods:A total of 38 patients with relapsed/refractory lymphoma including Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL) were included, who were underwent auto-HSCT in our transplan-tation department from Jan. 2010 to Dec. 2013. In treatment group, 19 patients received 2 courses of consolidation che-motherapy after auto-HSCT every 2 to 3 months, with the regimen of mini-BEAM or modiifed mini-CBV. Another 19 patients had no chemotherapy after auto-HSCT as control group. Results:The median follow-up duration was 17.2 and 7.5 months in the treatment and control group respectively. The follow-up data demonstrated prolonged progression-free survival (PFS) in the treatment group than the control group [24.7 months vs 7.8 months, P=0.029 under intend-to-treat analysis ITT;24.7 months vs 5.2 months, P=0.01 under per protocol analysis(pp)]. There is also a trend of improved overall survival (OS) in the treatment group (P=0.055, ITT). Conclusion:Consolidation chemotherapy after auto-HSCT for refractory/relapsed lymphoma patients delay the relapse and tend to improve the overall relapse rate.

Objective To establish the rapid purification of Coxsackievirus A16 using ultracentrifugation .And To prepare and i‐dentify the neutralizing monoclonal antibody against CA16 .Methods The CA16 culture supernatant was harvested and then con‐centrated by 100K capsule .The concentration of CA16 was purified by cesium chloride ultracentrifugation .Purification of CA16 were identified by transmission electron microscopy .BALB/c mice were immunized with inactivated CA16 .Spleen cells were harves‐ted and fused with SP2/0 myeloma cells ,hybridoma cell strain secreting mAb against CA16 were objected to screening .Character‐ization of the prepared mAb were analyzed by ELISA and microneutralization assay .Results The purified CA16 method of cesium chloride gradient ultracentrifugation was established ,TEM analysis was showed that CA16 particles have icosahedral structure ,the diameters of the viral particles were approximately 20-30 nm .Two hybridoma cell strains secreting mAb against CA16 were ob‐tained ,the subtypes of two mAbs were IgG2a ,the binding titers of Anti/CA16/5 and Anti/CA16/10 were 103 and 104 respectively . Neutralizing titer of the two mAbs were 1∶256 and 1∶1 024 respectively .Conclusion Establishment method of cesium chloride gradient ultracentrifugation was performed to purify CA16 ,the two mAbs with neutralizing ability to against CA16 may become ap‐plication of treatment and vaccine .