Objective To explore the biological characteristics and to compare the different regulation mechanisms of bone marrow mesenchymal stem cells(MSCs)derived from both lupus(MRL/Ipr)and normal (C57BL/6)mice on T iymphoeytes in vitro. Methods MSCs from MRL/lpr and C57BL/6 mice bone marrow were isolated and cultured. The surface phenotypes were detected by flow cytometry(FCM). The morphologi- cal changes of MSCs were evaluated in primary and passage cultures. The growth curves were assayed. CD3~+T lymphocytes from spleen of C57BL/6 mice were isolated by nylon wool columns and stimulated by ConA and co-cultured with or without the two strains of MSCs or supernatant for 72 h. The proliferation of T cells stained by CFSE and activation of T cells were detected. The apoptosis was assessed by now cytometry using Annexin V/PI. Results The growth of lupus MSCs was faster than normal controls(P

Breast Neoplasms ; chemistry ; pathology ; Cytodiagnosis ; methods ; Cytological Techniques ; methods ; Female ; Humans ; Immunohistochemistry ; methods ; Receptors, Estrogen ; analysis ; Receptors, Progesterone ; analysis

Enteral Nutrition ; methods ; Enterocolitis, Necrotizing ; mortality ; prevention & control ; Gastrointestinal Tract ; microbiology ; Humans ; Infant ; Infant, Newborn ; Infant, Premature ; Infant, Premature, Diseases ; mortality ; prevention & control ; Pharmaceutical Preparations ; Probiotics ; administration & dosage ; therapeutic use ; Sepsis ; mortality ; prevention & control

Objective To explore the changes of serum nitric oxide(NO) and trace element Zinc in children with pneumonia and their clinical significance.Methods The observing group contained 48 patients with pneumonia in our hospital from Oct.2005 to May 2006,who were collected 3 mL of blood sample on empty stomach on the second day.Twenty-six of them had been collected serum during their convalescence stage.The control group contained 20 children,who were healthy in the same stage.The levels of NO of 48 pneumonia,26 convalescence stage(recovery group) and 20 healthy patients were determined by UV-2100 spectrophotometer.The Zinc in serum was determined by P-E503-mode atomic absorption spectrophotometric analysis antigenic in those patients.Blood viscosity was measured and analyzed with the statistic analysis SPSS 10.0 software.Results The levels of NO in pneumonia children[(57.76?19.41) ?mol/L] were significantly higher than that in control group [(25.09?5.51) ?mol/L] and recovery group[(30.08?8.05) ?mol/L](P_a

Objective To explore the feasibility,advantages and disadvantages of combined trans- gastric and transcolonic routes for NOTES.Methods A female swine was used in this study.Transgastric entrance was the first,followed by transeolonie entrance.A dual-channel endoscope was inserted through the porcine mouth into the gastric cavity and penetrated into the peritoneal cavity through the puncture and bal- loon dilatation of the gastric wall.Then under direct visualization through the transgastric approach,the other endoseope was advanced into the peritoneum.Using the two endoscopes inside the peritoneal cavity,collabo- rative peritoneoseopy was performed by the two endoscopists.After the examination the incisions in the stom- ach and the colon wall were closed with Endoclips.The animal was sacrificed for post-mortem examination with particular attention to the entrance sites and presence of any complications related to the access or to ma- nipulations inside the peritoneal cavity.Results No hemorrhage oecurred during the puneture and balloon dilatation or bow-knife cutting of the gastric wall or the eolonic wall.The liver was damaged while a needle knife penetrated the gastric wall.On the contrary,no organs were damaged during the needle knife penetra- ted the eolonic wall under direet visualization through the transgastric approach.It was difficult to find the gallbladder or the oviduct with a"single arm",but it was easy to see them with the double routes.It was easier to close the colonic incision than to close the gastrie wall with Endoclips.Conclusion Combined transgastric and transcolonic route for NOTES is feasible and it seems to be easier to show a target compared with a single route.

Objective To investigate the disease situation of adult carotid atherosclerosis in water-related endemic fluorosis areas in Heilongjiang province in 2008 so as to explore the relationship between water-related endemic fluorosis and incidence of carotid atherosclerosis disease. Methods A total of 266 participants over the age of 40 from four villages in Zhaozhou county with water fluoride ≥ 1.0 mg/L in a fluorosis area and 283 residents over the age of 40 from four villages in Tailai county with water fluoride ＜ 1.0 mg/L in a nonfluorosis area were investigated. A portable-type B mode color ultrasound was used to examine the left carotid artery of all participants.The carotid atherosclerosis was diagnosed and graded through the ultrasonograms. Results The prevalence rates of carotid atherosclerosis in the 4 fluorosis villages(Xinfeng, Taipingshan, Baochan and Houzheng villages) were 47.3% (35/74), 63.5%(40/63), 73.3%(33/45) and 60.7%(51/84), respectively, and in the 4 nonfluorosis villages(Hala,Qianxing, Sanjia and Ailin villages) were 32.7% (17/52), 32.9% (24/73), 39.2% (31/79) and 30.4% (24/79),respectively. The prevalence rates of carotid atherosclerosis in every villages standardized by age were 47.3% ,63.5%,73.3% ,60.7% and 34.7% ,36.3% ,43.0% ,41.3%, respectively. Statistic method used was Wilcoxon two sample test and the differences were significant(T = 26, P ＜ 0.05 ). Total carotid atherosclerosis positive rate standardized by age in the 4 fluorosis villages was significantly higher than that in the 4 nonfluorosis villages[57.5%(153/266) ,37.8% (107/283), x2 = 21.36, P ＜ 0.01 ]. After standardized by age, the severity of carotid atherosclerosis was significantly different between fluorosis villages and nonfluorosis villages (x2 = 36.15, P ＜ 0.01 ). Conclusion The prevalence rate of carotid atherosclerosis in endemic fluorosis area is higher than that in nonfluorosis area.

Objective To study the effects of health management on cardiovascular events in the elderly patients with hypertension. Methods A total of 182 elderly patients with hypertension were randomly assigned to the control group (n = 61 ), pharmacologic therapy group (n = 61 ) or health management group ( n = 60). Serum biomarkers, brachial-ankle pulse wave velocity ( baPWV ), and blood pressure were tested at baseline and after intervention. Results There were no differences between the 2 groups in clinical characteristics at baseline. The average following-up period was (21 ± 7 ) months. The improvement of systolic blood pressure ( t = 3.915, P = 0. 000 ), pulse pressure ( t = 3. 966, P = 0. 000), and baPWV ( t = 3. 093, P = 0. 002) in the health management group was more significant than the control group;the systolic blood pressure ( t = 2. 008, P= 0. 046 ) was bitterly improved than the pharmacologic therapy group. The accumulative survival rate of the health management group (96. 7% ) was higher than the control group (83.6%; x2 =5. 921 ,P =0. 015) ,similar to the pharmacologic therapy group (93.3%; x2 =2. 821,P=0.091 ). Decreased systolic blood pressure, diastolic blood pressure, pulse pressure and baPWV were protective factors. After adjusted by age and gender,the improvement of systolic blood pressure was found to be an independent protective factors ( RR = 0. 75, P ＜ 0. 05 ). Conclusion Health management in elderly patients with hypertension could more significantly reduce the risk of cardiovascular diseases.

Objective To explore whether brachial-ankle pulse wave velocity (baPWV) can be used as a predictor of recurrent cardiovascular events in elderly male patients with acute coronary syndrome (ACS). Methods The baPWV and biochemical indicators were measured in 118 elderly men with ACS, aged 61-92 years (mean age 76.6±6.7 years). During the follow-up period (617±297 days), all cardiovascular events (unstable angina, heart failure, cardiac death and stroke, etc.)were recorded. Results The baPWV was (17.48±3.54)m/s in non-event group(n=90),(21.91±4.86) m/s in event group and (24.48±4.39) m/s in major endpoint event group, respectively (both P＜0. 05). There were 30 cardiovascular events that occurred in 28 patients, including 12 major endpoint events. The receiver operating characteristic curve demonstrated that the cut-off point of baPWV for predicting a cardiovascular event was 19.51 m/s and that for predicting a major endpoint event was 20.52m/s. The multivariate Cox proportional hazards model demonstrated that the above cut-off points had significantly relative risk for cardiovascular event: 1.37(95% CI: 1.16-1.63)and for major event:1.71(95% CI: 1.23-2.36). Conclusions The baPWV can be used as a predictor of recurrent cardiovascular events in elderly men with ACS.

Adult ; Herpes Zoster ; etiology ; Herpesvirus 3, Human ; genetics ; Humans ; Male ; Middle Aged ; Mutation

BACKGROUNDHigh uric acid (UA) levels and metabolic syndrome (MS) are risk factors for atherosclerotic diseases. Brachial-ankle pulse wave velocity (baPWV) is a valid and reproducible measurement by which to assess arterial stiffness and a surrogate marker of atherosclerosis. However, little is known about the relationship between them, especially in elderly Chinese with MS components who are at high risk for atherosclerotic diseases.

METHODSOne thousand and twenty Chinese subjects (159 women) older than 60 years of age (mean age (70.6 ± 5.7) years) with at least one MS component underwent routine laboratory tests, and baPWV measurements were analyzed.

RESULTSParticipants were divided into four groups by MS components. The mean age did not significantly differ among the MS component groups. We found that not only the diagnostic factors (blood pressure, body mass index (BMI), lipids, glucose) of MS but also baPWV, UA, insulin, homeostasis model of assessment for insulin resistence index (HOMAIR) levels increased, and high density lipoprotein (HDL)-C decreased with an increased number of MS components (test for trend P < 0.05). The association between UA and baPWV was observed after adjustment for gender, age, blood pressure, BMI, serum creatinine and high density lipoprotein, and insulin resistance (r = 0.186, P < 0.0001). There were increases in the odds ratios for the association between the number of components of MS, UA and baPWV, even after adjustment for traditional risk factors. However, after adjustment for insulin or HOMA-IR, there were no significant differences in the multivariate odds ratios among the number of MS components for UA.

CONCLUSIONSThe UA level is positively associated with baPWV and MS, but the association between UA and MS is dependent on insulin resistance. Furthermore, baPWV is independently associated with MS in our study population.

Aged ; Aged, 80 and over ; Body Mass Index ; Brachial Artery ; physiopathology ; Cholesterol, HDL ; blood ; Female ; Humans ; Insulin Resistance ; Male ; Metabolic Syndrome ; physiopathology ; Middle Aged ; Uric Acid ; blood ; Vascular Stiffness ; physiology