Aged ; Anion Exchange Protein 1, Erythrocyte ; metabolism ; Brenner Tumor ; metabolism ; pathology ; surgery ; Carcinoma, Transitional Cell ; metabolism ; pathology ; surgery ; Chromogranin A ; metabolism ; Cystectomy ; Female ; Humans ; Hysterectomy ; Membrane Proteins ; metabolism ; Neoplasms, Multiple Primary ; metabolism ; pathology ; surgery ; Ovarian Neoplasms ; metabolism ; pathology ; surgery ; Urinary Bladder Neoplasms ; metabolism ; pathology ; surgery

[Objective]To study the ossification effect by histology research on tissue engineered bone by transplanting nerval bundles of different types.[Method]The Newzeland rabbit BMSCs(bone marrow stromal cells,BMSCs) were induced to osteoblast and compounded with ?-TCP(?-tricalcium phosphate,?-TCP)to make tissue engineered bones,and different kinds of nerval bundles were transplanted into these tissue engineered bone.All Newzeland rabbits were divided into 5 groups according to different types of nerval bundles:Group A,tissue engineered bones without nerval bundles transplantation.Group B,tissue engineered bones transplanted with sensory nerval bundles.Group C,tissue engineered bones transplantation with motor nerval bundles.Group D,tissue engineered bones transplanted with vascular bundles(autonomic nerves contained).Group E,tissue engineered bones transplantation with both sensory and motor nerval bundles.Then,1.5 cm bone defect in femur of Newzeland rabbits were repaired.At 12 week,gross specimen observation,histology studies and immunohistochemistry were used to compare the results of bone repair in different groups.[Result]During the observation period,tissue engineered bones transplanted with sensory and vascular bundles effectively accelerated the ossification of the tissue engineered bones,while those transplanted with motor nerval bundles did not.[Conclusion]Sensory nerval bundles and vascular bundles can effectively accelerate the ossification of tissue engineered bones.They can be used as a construction method for nervalization after tissue engineered bone.

Objective To investigate the protective effects of propofol preconditioning on myocardium against hypothermia ischemia normothermia reperfusion injury on isolated rat hearts. Methods The Langendorff apparatus was used.Sixty SD rat hearts were divided randomly into 5 groups after 20-minute equilibrium(n=12): control(Con) group,hearts were continually perfused with K-H buffer for 175 min;ischemia/reperfusion(I/R) group,hearts were perfused with K-H buffer for 40 min,then subjected to global ischemia at 27 ℃ for 75 min,and followed reperfusion at 37 ℃ for 60 min;propofol preconditioning group 1(P1),group 2(P2),and group 3(P3),hearts were perfused with K-H buffer including 50,100,and 150 ?mol/L propofol for 10 min and followed reperfusion like I/R group,respectively.Heart rate(HR),left ventricular end-diastolic pressure(LVEDP), left ventricular developed pressure(LVDP) and ?dp/dtmax at the end of equilibration,pre-ischemia and at the end of reperfusion were recorded.The contents of creatine kinase(CK) and lactate dehydrogenase(LDH) in coronary effluent were measured at the end of equilibration and 1,10,20,30,and 60 min during reperfusion.The activity of superoxide dismutase(SOD) and the contents of maleic dialdehyde(MDA) were measured at the end of reperfusion.The area of infarct region was determined at the end of reperfusion. Results HR,LVDP,?dp/dtmax and SOD activity in P2 and P3 group were higher than those in I/R group(P

OBJECTIVETo observe the effect and explore the action mechanism of Danhong Injection (DHI) on serum levels of endothelin-1 (ET-1), soluble P-selectin (sP-sel) and high sensitivity C-reactive protein (hs-CRP) in patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI).

METHODSSeventy ACS patients scheduled to receive PCI were assigned to two groups. Around PCI, the 34 patients in the control group were treated with conventional therapy and the 36 in the DHI group treated with conventional therapy combined with DHI treatment given from the day of PCI to the 14th day after operation at the dose of 40 mL per day by dissolving in 250 mL of 5% glucose for venous dripping. Plasma levels of ET-1, sP-sel and hs-CRP were detected using ELISA at various time points: before PCI (T0), after PCI (T1), 24 h (T2) and 2 weeks (T3) after PCI. The outcomes were compared between the two groups, and compared with those obtained from 20 healthy persons set as the normal control.

RESULTSAll the three indices in the two patients' group at T0, T1 and T2 were higher than those in the normal control respectively (P < 0.01), while at T3, the indices in the DHI group were lower than the normal control (P > 0.05). Comparisons between the two patients' group showed that the indices were not different at TO, T1 and T2, but at T3, all were lower in the DHI group than in the control group (P < 0.05, P < 0.01).

CONCLUSIONSCombined conventional therapy with DHI for 2 weeks can significantly reduce the plasma levels of ET-1, sP-sel and hs-CRP in ACS patients after PCI, suggesting that DHI has certain effects in protecting the endothelial function, inhibiting platelet activation and suppressing inflammatory reaction.

Acute Coronary Syndrome ; blood ; therapy ; Adult ; Aged ; C-Reactive Protein ; metabolism ; Drugs, Chinese Herbal ; pharmacology ; therapeutic use ; Endothelin-1 ; blood ; Female ; Humans ; Male ; Middle Aged ; P-Selectin ; blood ; Percutaneous Coronary Intervention

Biopsy ; Cryopreservation ; Frozen Sections ; Humans ; Kidney ; pathology ; Kidney Diseases ; pathology ; Paraffin Embedding ; methods

4 days, so it is recommended to screen such premature infants carefully.

Objective To determine the effects of ?-lipoic acid on bone metabolism in lead-poisoned rats.Methods Totally 31 SD rats were randomly divided into two groups,8 rats in blank control group and 23 in lead group that received gastric lavage with lead acetate(230 mg/L).After 40 days,3 rats from each group were taken for the measurement of lead in the blood and bone.The rats in lead group were then randomly divided into four groups: lead control group and three lead groups with different concentrations of ?-lipoic acid [30,60 and 100 mg/(kg?d)],with 5 rats in each.At the end of the experiment(80 d),the rats were killed and the samples of whole blood,serum and bone were collected to detect osteocalcin content with radioimmunoassay and alkaline phosphatase expression with immunohistochemistry staining.Results ① Blood and bone lead contents in each ?-lipoic treatment group were significantly lower than those in lead control group(P

BACKGROUND: New porous β-tricalcium phosphate (TCP) was made by appropriate prescription and unique technology, with a porosity of (75±10)%, spheroidal hole>80%, micropore<20%, interlink rate between the holes of 100% and mechanical strength>2MPa.OBJECTIVE: To assess the application outcome of the new porous β-TCP as a scaffold for bone tissue engineering.DESIGN, TIME AND SETTING: The control experiment was performed at the Laboratory of Tissue Engineering of Southern Medical University, China from July 2005 to March 2006.MATERIALS: Twelve 6-month New Zealand rabbits were used to create 1.5cm large bone and periosteum defects of the left radial bone. Porous β-TCP was purchased from bio-lu, France.METHODS: Osteoblasts differentiated from rabbit bone marrow mesenchymal stem cells (BMSCs) were co-cultured with porous β-TCP. Inverted phase contrast microscope and scanning electron microscope were used to observe the growth of BMSCs. MTT assay was employed to assess cell proliferation and compatibility. Cytotoxicity was detected by analyzing the effects of different concentrations of porous β-TCP leaching liquor on cell proliferation.MAIN OUTCOME MEASURES: Cell compatibility and cytotoxicity of β-TCP were measured. The status of bone defect repair was appraised by histology, radionuclide bone scan and X-ray at 2, 6, 12 weeks after surgery.RESULTS: The new porous β-TCP had good cell adhesion and its cytotoxicity was in 0 grade. Histology, imageology and radionuclide bone scan showed the new porous β-TCP could repair large radial bone defect in rabbits. At the same time, its degradation rate was accordance with bone formation rate in vivo.CONCLUSION: The new porous β-TCP with a good compatibility is a good scaffold for bone tissue engineering, and obtains good outcomes in repairing large bone defect of rabbit radial bone.

Objective To observe the effects of simultaneous bilateral central venous intubation on chest drainage for bilateral malignant pleural effusion induced by primary non-small lung cancer and summarize the nursing measures. Methods Totally 65 patients with bilateral malignant pleural effusion were randomized into experiment group and control group. In the former group, chest drainage was done using bilateral central venous intubation and in the latter, unilateral chest drainage was used. The two groups were compared in terms of effectiveness rate, time for intubation, remission duration and hospitalization. Results The time for remission duration, hospital stay and time for intubation were all significantly shorter than those of the control group (all P<0.05). There were no significances in curative effect and adverse reactions between the two groups. Conclusion Chest drainage using simultaneous bilateral intubation for bilateral malignant pleural effusion induced by primary non-small lung cancer can be effective in shortening the time for remission, intubation and hospitalization. But it causes no more adverse reaction.

AIM To prepare the andrographolide-loaded solid dispersions.METHODS Differential scanning calorimetry (DSC) and X-ray powder diffraction (XRPD) were used for the analysis of solid dispersions previously prepared from the mixture of andrographolide and PVPK30 (1 ∶ 9) in autoclave.In addition to the evaluation index of in vitro dissolution rate,the influencing factors of pressure,temperature and reaction time were taken into consideration for the preparation optimization by Box-Behnken method.RESULTS Andrographolide was totally dispersed in solid dispersions in an amorphous state,manifesting an inhibited crystal diffraction peaks' formulation.Under the optimal conditions of 21.26 MPa for pressure,40.76 ℃ for temperature,and 1.13 h for reaction time,the in vitro dissolution rate was 85.49％.CONCLUSION After andrographolide is made into solid dispersions,its in vitro dissolution rate is obviously increased.