Objective:To establish a method for isolation,purification,and culture of human multipotent adult progenitor cells(MAPCs) in vitro,so as to lay a foundation for the application of hMAPCs in tissue-engineering research and clinical medicine.Methods: The mononuclear cells were obtained from bone marrow of healthy volunteers by gradient centrifugation and were subjected to adherence culture.The adherent cells were then subjected to magnetic activated cell sorting(MACS)(depletion selection with CD45 and GlyA microbeads).Then the purity of selected cells was identified by flow cytometer.The growth of the purified cells was observed and the expression of CD29,CD44,CD34,and HLA-DR was analyzed by flow cytometers.Results: (1)Averagely(5-10)?10~(4)/ml hMAPCs could be separated from 1?10~(6)/ml bone marrow mononuclear cells by MACS.The cell viability was similar before(96.7?1.7%) and after(96.0?2.4%) isolation.(2)The isolated MAPCs grew well in the self-designed culture medium and could be passaged for 20 generation.(3)The purity of the CD45~-and GlyA~-cells separated from bone marrow adherent cells was more than 98% as determined by flow cytometer.(4) In hMAPCs,the positive rate was 99.2% for CD29,98.3% for CD44,1.2% for CD34,and 5.3% for HLA-DR.Conclusion:(1)The bone marrow-derived hMAPCs can be purified by MACS through depletion selection of CD45 and GlyA microbeads.(2)The hMAPCs can be expanded in vitro in self-designed medium,maintaining a non-differentiation state for a long time.

ObjectiveThe relationship between clinicopathological features and prognosis in the women patients with breast mucinous carcinoma was investigated. Methods 101 patients with breast mucinous carcinoma were divided into two groups:pure mucinous carcinoma ( n =74), and mixed type ( n =27). The relationship between clinicopathological features and prognosis was analysed. Results Lymph node was less frequently involved in pure type group (24%) than that in the mixed type (52%) (? 2 =10 4, P

Objective: To investigate the protective effect of astilbin on warm ischemia/reperfusion-induced liver injury and to study the related mechanism. Methods: C57BL/6 mice were randomly divided into four groups (n=8): sham-operated group (Sham), model control group (I/R), low dose astilbin treatment group (10 mg/kg) and high dose astilbin (40 mg/kg) treatment group. Mice in the two treatment groups were intraperitoneally injected with astilbin 24 hours and one hour before ischemia. Then 70% hepatic ischemia/reperfusion model (the left and middle hepatic lobe) was established. Mice in the I/R model control group and the sham operation group were administered with the same volume of normal saline. The blood sample and liver tissue samples were collected 90 min after ischemia and 6 h after reperfusion. Serum ALT activity was detected as an indicator of liver function damage and the content of MPO in liver tissues were detected by ELISA. The pathological changes of the liver were observed. The expression of IL-10 in liver tissues was detected by Western blotting and the expression of IL- 10 mRNA was detected by semi-quantitative RT-PCR. Results: Astilbin treatment can effectively lower the serum ALT level and MPO level in the liver tissues in some I/R mice. It could also improve the pathological manifestations of the liver. Compared with the I/R model control group, IL-10 protein levels gradually increased in the two treatment groups, which was consistent with the result of RT-PCR (low dose group P<0.05; high dose group, P<0.01). Conclusion: Astilbin can effectively reduce the inflammatory response after liver warm ischemia-reperfusion induced injury, effectively improve the mouse liver function and pathological damage, which might be related to the upregulation of IL-10 expression in the liver tissues.

Objective: To establish a method for isolation, purification, and culture of human multipotent adult progenitor cells (MAPCs) in vitro, so as to lay a foundation for the application of hMAPCs in tissue-engineering research and clinical medicine. Methods: The mononuclear cells were obtained from bone marrow of healthy volunteers by gradient centrifugation and were subjected to adherence culture. The adherent cells were then subjected to magnetic activated cell sorting (MACS) (depletion selection with CD45 and GlyA microbeads). Then the purity of selected cells was identified by flow cytometer. The growth of the purified cells was observed and the expression of CD29, CD44, CD34, and HLA-DR was analyzed by flow cytometers. Results: (1) Averagely (5-10) × 104/ml hMAPCs could be separated from 1 × 106/ml bone marrow mononuclear cells by MACS. The cell viability was similar before ([96.7±1.7]%) and after ([96.0±2.4]%) isolation. (2) The isolated MAPCs grew well in the self-designed culture medium and could be passaged for 20 generation. (3) The purity of the CD45- and GlyA- cells separated from bone marrow adherent cells was more than 98% as determined by flow cytometer. (4) In hMAPCs, the positive rate was 99.2% for CD29, 98.3% for CD44, 1.2% for CD34, and 5.3% for HLA-DR. Conclusion: (1) The bone marrow-derived hMAPCs can be purified by MACS through depletion selection of CD45 and GlyA microbeads. (2) The hMAPCs can be expanded in vitro in self-designed medium, maintaining a non-differentiation state for a long time.

Objective To explore the changes and their correlation of event-related potential(ERP)and the plasma levels of monoamine neurotransmitter in the patients with epilepsy.Methods ERP and the plasma levels of noradrenalin(NE),dopamine(DA) and 5-hydroxytryptamine(5-HT) were tested in 50 patients with epilepsy,and the results were compared with the normal controls.Results The latency of N2,P3 of ERP and the amplitude of P3 in the epilepsy group were significant longer and lower than those in the normal control group(all P

Objective To explore the effect of relaxation treatment (RT) on the sleep quality of patients with generalized anxiety disorder (GAD).Methods Ninety-two GAD patients were recruited and evenly divided into a study group (n =46) and a control group.The control group was treated with conventional medications,while the study group received RT in addition.The Pittsburgh Sleep Quality Index (PSQI) and polysomnography (PSG) were used to test for changes in sleep before and after treatment.Results There were no significant differences between the two groups before treatment in terms of average PSQI scores or PSG results.After treatment,both groups scored significantly better on the PSQI than before the treatment.PSG showed that after treatment there was less awakening,greater sleep efficiency and longer total sleep time.There was shorter sleep latency and rapid eye movement sleep latency,shorter duration of shallow sleep,and longer duration of deep sleep and rapid eye movement sleep in the study group,as well as fewer awakenings,greater sleep efficiency and longer total sleep time.The PSQI and PSG results of the two groups after treatment were significantly different.Conclusions RT can significantly improve sleep disorders in GAD patients.

Objective To investigate the effective strategies to prevent and treat biliary complications after orthotopic liver transplantation.Methods The clinical data of 316 patients who received orthotopic liver transplantation at the Fuzhou General Hospital of Nanjing Military Command from November 2001 to March 2012 were retrospectively analyzed.Cold perfusion with HTK + UW solution was applied when obtaining the liver graft,and then the liver graft was preserved in the UW solution.The bile duct was perfused with UW solution thereafter.Orthotopic liver transplantation or piggyback liver transplantation were adopted in the cadaver liver transplantation.Left liver transplantation and right liver transplantation were adopted in the living donor liver transplantation.Choledochojejunal Roux-en-Y anastomosis or duct-to-duct choledochostomy were used for biliary reconstruction.Ordinary T tubes were used for drainage before 2006,and then 6 F pediatric suction catheter or epidural catheter were applied for drainage thereafter.The Ttube was pulled out 3-6 months after the operation.Enteral nutrition was applied to patients at the early phase after operation.The immunosuppressive agents used including tacrolimus + mycophenolatemofetil + adrenal cortical hormone,and for some patients,tacrolimus + mycophenolatemofetil + sirolimus + hormone were used.Patients were followed up for 2 years to learn the incidence of biliary complications and guide the medication.The difference in the incidence of bile leakage between patients who wcrc admitted before 2006 and those admitted after 2006 were compared using the chi-square test.Results The warm ischemia time was 2-6 minutes,and the cold ischemia time was 3-10 hours.For patients who received cadaver liver transplantation,orthotopic liver transplantation was carried out for 291 times and piggyback liver transplantation for 24 times; biliojejunal Roux-en-Y anastomosis was carried out for 5 times and bile duct end-to-end anastomosis for 310 times.For patients who received living donor liver transplantation,1 received left liver transplantation and 1 received right liver transplantation,and they received bile duct end-to-end anastomosis.A total of 311 patients received immunosuppressive treatment with tacrolimus + mycophenolatemofetil + adrenal cortical hormone,and 5 patients reveived tacrolimus + mycophenolatemofetil + sirolimus + hormone.Of the 316 patients who received orthotopic liver transplantation,38 had biliary complications after the operation,including bile leakage in 18 patients,intra-and extra-hepatic bile duct stricture in 6 patients,anastomotic stricture in 6 patients,biliarycomplications included cholangitis in the portal area and cholestasis in 4 patients,choledocholithiasis and cholangitis in 2 patients and biliary infection in 2 patients.The incidence of bile leakage before 2006 was 14.00％ (7/50),which was significantly higher than 4.12％ (11/267) of bile leakage after 2006 (x2-7.676,P ＜ 0.05).Of the 38 patients with biliary complications,the condition of 35 patients was improved,and 3 patients died.Of the 18 patients with bile leakage,15 was cured by conservative treatment,3 received surgical treatment (the condition of 1 patient was improved by drainage,anti-infection treatment and nutritional support,but died of peritoneal hemorrhage at postoperative 1 month; 2 patients received peritoneal drainage,1 was cured and 1 died of peritoneal infection).For the 6 patients with intra-and extra-hepatic bile duct stricture,1 was cured by liver retransplantation and 5 were cured by conservative treatment,endoscopic retrograde cholangio-pancreatography (ERCP) or balloon dilation.For the 6 patients with anastomotic stricture,the condition of 3 patients was improved by conservative treatment,balloon dilation or stent implantation,1 gave up treatment due to hepatic cancer recurrence and died thereafter,1 received anastomosis + T tube drainage,1 was cured by recurrent tumor resection and choledochojejunostomy.Four patients with cholangitis in the portal area and cholestasis were cured by conservative treatment.For the 2 patients with choledocholithiasis and cholangitis,1 was cured by stent implantation with ERCP,and 1 received conservative treatment,and the level of total bilirubin was decreased.Two patients with biliary infection were cured by anti-infection treatment.Conclusions Most of the biliary complications could be treated by non-surgical treatments.For patients with severe biliary complications or those could not be treated by non-surgical treatment,re-exploration of the bile duct is effective.Liver re-transplantation is the only choice for patients with dysfunction of liver graft caused by severe ischemic biliary injury.

Objective To explore the relation between personality characteristics and event related potential P300 with internet addiction disorder(IAD) of youngsters.Methods Eysenck Personality Questionnaire and event related potential test were used for forty-two IAD and forty non-IAD in youngsters,and the results were compared between the two groups.Results The latency of N2,P3 ((267.2±24.2) ms,(374.5 ±22.0) ms) of event related potential in IAD group were significantly longer and the amplitude of P3 ((3.9± 2.5) μV) was significantly lower than those in non-IAD group((235.7±21.8) ms,(332.3±23.5) ms,(7.8±2.4) μV) (P＜0.01).And the indexes of P,N score (56.2±9.4,49.8±7.4) of Eysenck Personality Questionnaire were significant higher than those in non-IAD group(51.9±9.7,42.4±7.5)(P＜0.01),but the indexes of E,L score (45.7±9.0,44.3±7.9)of Eysenck Personality Questionnaire were significant lower than those in non-IAD group(51.2±9.4,50.9±8.3) (P＜0.01).Correlation analysis showed that there were remarkable positive correlation with latency of P300 and P,N score of Eysenck Personality Questionnaire respectively in IAD group(r=0.49,0.54,P＜0.01),and a significant negative correlation with E,L score(r=-0.43,-0.46,P＜0.01),there was a remarkable negative correlation with amplitude of P300 and P,N score of Eysenck Personality Questionnaire respectively in IAD group(r=-0.41,-0.50,P＜0.01),and a significant positive correlation with E,L score(r=0.45,0.47,P＜0.01).Conclusion IAD in youngsters has personality characteristics and cognitive dysfunction,and it has a relation with personality and event related potential P300.

Objective To explore the changes of cognition and sleep status in the youngsters with internet addiction disorder (IAD), and to clarify the relation between cognition and sleep-related indicators of IAD youngsters.Methods Event related potential (ERP) and Pittsburgh Sleep Quality Index (PSQI)test were used for forty-two IAD (case group)and forty non-IAD (control group) in youngsters, and the indexes of period latency (PL)of N1 ,P2 ,N2 ,P3 and amplitude of P3 (P3 amp)of ERP were analyzed,the factor scores of sleep quality (SQ), sleep latency (SL), sleep time (ST), sleep efficiency (SE), sleep dysfunction (SD), sleeping pills (SP), daytime dysfunction (DD)and total score of PSQI were analyzed. The correlation between the P3 PL, P3 amp of ERP and all the indexes of PSQI in case group was analyzed.Results The PL of N2 ,P3 of ERP in case group was significanly longer and the P3 amp was significantly lower than those in control group (P<0.01);the factor scores of the SQ,SL,ST,SE,SD,DD,and the total score of PSQI test had significant differences between two groups (P<0.01).The correlation analysis results showed that there were remarkable positive correlations between the P3 PL and the factor seores of the SQ,SL,ST,SE,SD,DD and the total score of PSQI test in case group (r=0.46,0.34,0.51,0.40,0.48,and 0.54;P<0.01),and there were remarkable negative correlations betweeb P3 amp and the indexes of PSQI test in case group (r=-0.42,-0.45,-0.49,-0.38,-0.38,and -0.50;P<0.01).Conclusion The IAD youngsters have cognition and sleep dysfunction,and the both factors can affect each other.

Objective To explore the reactive inhibition and electrophysiological changes under the GO/NOGO paradigm in patients with alcohol dependence (AD) in order to provide a theoretical basis for neuromechanism study of AD executive dysfunctions.Methods The GO/NOGO paradigm event related potentials (ERP) were tested in 51 AD patients and 29 healthy controls, this paradigm behavior and ERP-N1, N2 and P3 latency and amplitude were analyzed.ERPs and execution functions were followed at different time points of withdrawal(4, 9,13 weeks).Results The number of correct responses (29.18±3.03)lowered and error responses (5.16±3.77) heightened in AD patients, and differences had statistical significance compared with those in control group(32.35±2.58,3.19± 1.84, P＜0.05), and there was no group difference in response time.There was no statistical significance in group difference in N1 component under the GO/NOGO tasks and in P3 latency under GO.N2 ((3.48±2.21) μV, (4.49±3.00) pV) and P3 amplitude ((3.47±2.31) μV, (3.92±4.09) μV) decreased and N2 latency ((256.30±31.62) ms, (256.09±33.77)ms) prolonged in AD group under both GO/NOGO tasks and so did P3 latency ((355.33±25.96) ms) under the NOGO, and the differences had statistical significance.Group main effects in N2 and P3 component (P=0.000) and task main effects in N2 amplitude and P3 latency (P＜0.05) were significant,group and task interaction was significant only in P3 latency (P＜0.01).ERPs of AD patients had no notable changes at different time points of withdrawal, executive dysfunctions were the worst within the 1st week of withdrawal and gradually recovered to pre-withdrawal levels.Conclusion AD patients have lower reactive inhibition manifested mainly by weakened capacity to inhibit and adjust conflict monitor and pre-executive motor program, ERP and executive functions cannot be well improved during short-term withdrawal, and the GO/NOGO-ERP can completely reflect electrophysiological changes of reactive inhibition process of AD patients.