The plasticity of bone marrow stem cells is an important discovery in the field of stem cell research, which provides the possibility of bone marrow stem cells to be used for non-hematopoietic system diseases. There are rich data on bone marrow stem cells,which greatly accelerates the research on bone marrow stem cells plasticity. This article reviews the hot topics on plasticity of bone marrow stem cells.

Objective To observe clinical efrect of treating angina pectoris with Shuxuening injection combined with western medicine.Methods 62 cases patients with angina pectoris were randomly recurited into a control group and a treatment group,The control group was treated with western medicine,and the treatment group was treated with Shuxuening injection based on the control group.The clinical effect was observed between the two groups.Results The clinical effect in the treatment group(83.9%)was significantly higher as compared to the control group(64.5%)(χ~2=2.352,P＜0.05).Conclusion The treatment of Shuxuening injection combined with western medicine on angina pectods is better than westem medicine only.

Objective To evaluate the effect and safety of ultrasound-guided pereutaneous thrombin injection for the treatment of iatrogenic femoral arterial pseudoaneurysm.Methods Thirty patients [6 male,24 female,age range 45-82 years,mean (63 ± 10) years] were found to have pseudoaneurysms confirmed by ultrasound between 1 and 7 days following femoral arterial puncture from July 2011 through July 2014.Results All patient had pseudoaneurysm thrombosis after the first procedure.Thrombin 200-1000 U (50 U/mL)was injected into the pseudoaneurysm under ultrasound-guidance,performed.One patient showed acute allergy 5 min after thrombin injection,which was relieved by anti-allergic therapy.No thromboembolic complications or infections occurred.Conclusions Ultrasound-guided pereutaneous thrombin injection is a safe and effective noninvasive method for the treatment of iatrogenic femoral pseudoaneurysm and should be considered as first-line therapy.

Objective To explore the validity of oxygen atomizing inhalation pulmicort respulas combined with montelukast in treating children with asthma and its role in pulmonary function and T lymphocyte subset.Methods Totally 78 cases treated in Huizhou People's Hospital from June,2014 to June,2016 were randomly divided into observation group and control group with each group of 39 cases.The control group on the basis of routine treatment with oxygen atomizing inhalation of pulmicort 1 mg,twice daily,and the observation group based on control group added Montelukast Sodium Chewable Tablets 5 mg,once daily,one week for one course.The clinical effect,pulmonary function,and level of T lymphocyte subset were compared between two groups.Results The total effective rate in the observation group was 94.70％,which was significantly higher than control group (82.05％,P ＜ 0.05).After therapy,the symptom scores of two groups were obviously decreased compared with those before therapy (P ＜ 0.05),and those of the observation group were significantly lower than control group (P ＜ 0.05);The pulmonary function of the two groups were obviously improved (P ＜ 0.05) compared with that before therapy (P ＜ 0.05),and the levels of FEV1,FVC,and FEV1/FVC in observation group were significantly higher than control group (P ＜ 0.05);The level ofT lymphocyte subset in control group showed no statistical difference compared to that before therapy,and the levels of CD4+ and CD4+/CD8+ in observation group were obviously decreased,whereas CD8+ was increased.Conclusion Oxygen atomizing inhalation pulmicort respulas combined with montelukast could effectively increase the clinical effect on children with asthma,improve pulmonary function and positively regulate immune function,which deserves clinical expansion.

Aged ; Humans ; Inpatients ; psychology ; Loneliness ; Male ; Pneumoconiosis ; psychology

Objective To study whether stem cell antigen-positive(Sca-1 + )cells from fetal liver can differentiate into neural cells. Methods Sca-1+ cells from male fetal liver were isolated with a magnetic cell sorting kit and transplanted into lethally irradiated female mice (2?103 cells/mouse). The donor cells and their characteristics in recipient brains were identified and detected by FISH and immunohistochemistry double-staining analysis at 2, 4, 6 months after transplantation. Results There existed many male cells in brains of female recipients, including white and gray matters, for brain, midbrain, the ependyma of the ventricular system, and the choroid plexus of the lateral ventri cle. Immunochemistry revealed that the Y chromosome-positive cells expressed many neural specific markers, including Neu N, TuJ-1 , NF-M, GFAP and so on. Statistic analysis showed that ratio of Y chromosome positive cells in brain was (4. 5 ? 0. 5) %, ratio of both Y chromosome and NeuN posi live cells (1. 2 ? 0. 3) %. ratio of both Y chromosome and GFAP positive cells (1. 0 ? 0. 2) %. There was no difference between the ratios of Y chromosome-positive cells in brains 2,4, and 6 month after transplantation. Conclusion Sca-1 + cells from fetal liver, the most of which are regarded as hemato-poietic stem cells, can differentiate into neural cells and astrocytes in the brains of adult mice and survive more than 6 months.

Embryonic stem cells (ESC) can develop into neural cells both in vivo and in vitro, this may elucidate the mechanism of nervous system development. ESC-derived uncommitted neural precursors or progenitors may play a role in future transplantation therapies for injury or deregeneration of nervous system. This article reviews embryonic stem cells differentiating into neural cells and characteristics of its gene expression.

AIM: The effective antisense sequences targeted VEGF mRNA with computer software would be screened and designed, and effect of them on growth K562 cells and protein expression of VEGF were studied with experiments. METHODS: Seven antisense sequences were selected and synthesized, which consisted of 18-20 deoxynucleotide acid and were modified with phosphorothioate, according to principle of low free energy of overall △G 37 Overall. Cell growth was assayed by trypan blue dye exclusion assay and level of VEGF protien in the media was determined by ELISA. RESULTS: Six of seven sequences were capable of inhibing growth of K562 cells and downregulating the VEGF protein expression significantly, compared with Scrambed control group. It was found that there was a close correlation between low level of overall △G 37 and antisense effectiveness ( r =0 887, P

Objective To investigate the effects of continuous infusion of moderate dose tranexamic acid and ulinastatin on fibrinolysis during orthotopic liver transplantation (OLT).Methods Thirty ASA Ⅲ or Ⅳ patients aged 34-63 yr with a body mass index of 17-37 kg/m2 and end-stage liver disease score 6-34,undergoing OLT,were randomly assigned to one of 3 groups ( n =10 each):group control (group C) ; group tranexamic acid (group T) and group ulinastatin (group U).The patients received continuous infusion of normal saline at 10 ml/h in group C or ulinastatin at 100 000 U/h in group U immediately after tracheal intubation until 120 min after portal vein was declamped,while in group T the patients received a loading dose of tranexamic acid 1 g followed by continuous infusion at 10 mg· kg-1 ·h- 1.Prothrombin time (PT),activated partial thromboplastin time (APTT),international normalized ratio ( INR),fibrinogen (Fg),D-dimers (D-D) and fibrin degradation product (FDP) were measured before induction of anesthesia (baseline),at 120 min after skin incision,30 min after clamping of portal vein (anhepatic phase),30 and 120 min after declamping (neohepatic phase) and at the end of operation.The amount of blood loss and transfusion were recorded.The patients were followed up after operation for hepatic artery and portal vein thrombosis in groups U and T.Results There were no significant differences in PT,APTT,Fg,INR and amount of blood loss and transfusion among the 3 groups.The plasma D-D concentration and percentage of patients with plasma FDP ＞ 20μg/ml were significantly lower in group T than in group C.There were no significant differences in plasma D-D concentration and percentage of patients with plasma FDP ＞ 20 μg/ml between groups U and C.No hepatic artery and portal vein thrombosis was detected after operation in groups T and U.Conclusion Continuous infusion of moderate dose tranexamic acid can inhibit fibrinolysis during OLT,but can not reduce the amount of blood loss.Continuous infusion of ulinastatin ( 100 000 U/h) has no significant effect on fibrinolysis during OLT.

Objective To evaluate the inhibitory effects of NF-κB inhibitor pyrrolidine dithiocar-bamate (PDTC) on NF-kappa B activity and the serum inflammatory mediators in hypertensive-ventricular hypertrophy-congestive heart fail?ure rats. Methods The rat model of hypertension-cardiac hypertrophy-heart failure was made from 42 male Dahl salt sen?sitive rats. Rats were randomly divided into seven groups including group A (normal diet group), group B (high salt diet group), group C (NF-κB inhibition in early stage), group D (NF-κB inhibition in hypertensive stage), group E (NF-κB inhibi?tion in cardiac hypertrophy stage of week 12) and group G (NF-κB inhibition in heart failure stage). There were six rats for each group. Rats were administrated 8%high salt diet and injected PDTC 100 mg/(kg·d)intraperitoneally according to the prescribed time. Changes of blood pressure, left ventricular end diastolic interventricular septal thickness (IVSD), left ven?tricular end diastolic posterior wall thickness (LVPWD), left ventricular end diastolic diameter (LVEDD), systolic left ventric?ular end diastolic diameter (LVESD), left ventricular ejection fraction (LVEF), heart, lung weight/ body weight ratio, NF-kappa B activity, tumor necrosis factor (TNF)-α, interleukin (IL)-6, monocyte chemotactic protein (MCP)-1 and C-reactive protein (CRP) were observed in different treatment time points of PDCT. Results Levels of NF-κB and proinflammatory cy?tokines were reduced after early administration of PDTC, and the cardiac function was also decreased. The longer the treat?ment time, the greater the protective effect on heart. PDTC can effectively control blood pressure, and block left ventricular hypertrophy and left ventricular failure in a certain extent. The effects of PDTC were limited after persistent hypertension, and myocardial hypertrophy formation accompanied by heart failure. Conclusion PDTC plays a role in prevention and treatment of hypertension, left ventricular hypertrophy and congestive heart failure in model rats. Early application of PDTC could obviously maintain the normal cardiac function in rats with heart disease.