1.Design and Implementation of Germplasm Resources Information System for Chinese Medicines
Wei LIU ; Changsong DING ; Yang LIANG
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(5):5-7
Germplasm Resources Information System for Chinese Medicines (GRIS-CM) is designed and realized for improving the management efficiency of the germplasm resources for Chinese materia medica. The system integrates and analyzes the germplasm resources data, realizes information management of the germplasm resources for Chinese materia medica, and provides better services for scientific research institutions, governments, enterprises and medicinal herb growers. It contains 3 databases and 13 function modules, including the basic information base, literature library and gene bank. GRIS-CM can help manage the related data of germplasm resources for Chinese materia medica, and is better for data integration, analysis and statistics to find the rules and patterns. GRIS-CM provides flexible data comparison and visualization functions, and has significant practical value and research value.
2.Application of nonintubated intravenous anesthesia combined with local anesthesia in ;sympathetic nerve chain resection
Wei DING ; Bowan HUANG ; Haidan LIANG
Chinese Journal of Postgraduates of Medicine 2016;39(5):415-419
Objective To investigate the effect of nonintubated intravenous anesthesia combined with local anesthesia on sympathetic nerve chain resection. Method One hundred and sixty palmar hyperhidrosis patients undergoing sympathetic nerve chain resection were divided into two groups, intubation general anesthesia (IGA) group and nonintubated intravenous anesthesia (NIA) group. The patients in IGA group were administrated with intubation general anesthesia. The patients in NIA group were administrated with nonintubated intravenous anesthesia. The physical signs, general anesthetics dosage, anesthesia time, hospital stays, hospitalization costs and postoperative complications were compared between two groups. Results In NIA group, the MAP after anesthesia , HR at 5 min and 10 min after anesthesia were lower than those in IGA group :MAP: (65.83 ± 12.53) , (68.19 ± 9.56), (69.72 ± 8.44), (68.58 ± 13.42) mmHg(1 mmHg = 0.133 kPa) vs. (98.47 ± 13.59), (93.53 ± 10.16), (86.13 ± 11.22), (81.52 ± 9.67) mmHg; HR:(76.36 ± 7.93), (78.42 ± 9.13) bpm vs. (102.67 ± 10.38), (97.66 ± 9.73) bpm, P<0.05. Similarly, the SpO2 and PaO2 after anesthesia in NIA group were also lower than those in IGA group:SpO2:0.93 ± 0.14, 0.94 ± 0.21, 0.93 ± 0.34, 0.94 ± 0.24 vs. 1.00 ± 0.13, 0.99 ± 0.16, 0.99 ± 0.20, 0.98 ± 0.13; PaO2: (83.73 ± 8.35), (68.57 ± 9.32), (63.93 ± 10.54), (65.51 ± 11.72) mmHg vs. (298.65 ± 25.19), (328.58 ± 30.61), (303.26 ± 29.34), (317.49 ± 28.15) mmHg , P<0.05. And the PaCO2 after anesthesia was higher than that in IGA group (52.93 ± 9.27), (61.47 ± 7.32), (71.58 ± 8.23), (68.13 ± 10.58) mmHg vs. (36.86 ± 5.52), ( 35.73 ± 6.14), (37.18 ± 7.39), (36.35 ± 5.87) mmHg, P<0.05. In NIA group, the dosages of propofol and remifentanil, anesthesia time were less than those in IGA group:(235.63 ± 19.42) mg, (446.58 ± 50.32)μg, (66.45 ± 13.35) min vs. (317.86 ± 28.36) mg, (623.47 ± 403.93)μg , (89.27 ± 16.38) min, P<0.05 or<0.01. In hospital stays, hospitalization costs, there were no significant differences between two groups (P>0.05). In NIA group, 8 patients needed artificial respiration, which were more than those in IGA group (8 vs. 0) (P<0.05). In NIA group, the incidences of throat discomfort, nausea and vomiting were lower than those in IGA group:0 vs. 32.5% (26/80) and 25.0% (20/80) vs. 11.2% (9/80), P<0.05. However, the incidence of lung infection was similar to that in IGA group (P>0.05). Conclusions Nonintubated intravenous anesthesia combined with local anesthesia is safe for palmar hyperhidrosis patients undergoing sympathetic nerve chain resection, with less complications and without increasing the workload.
3.Expression of laminin and survivin in primary gallbladder carcinoma
Wei DING ; Qi ZHOU ; Weiwen LIANG ; Yunle WAN
Chinese Journal of Pathophysiology 2000;0(11):-
AIM: To study the expression of laminin and survivin in primary gallbladder carcinoma(PGC),and their correlation with clinicopathologic characteristics of PGC.METHODS: Forty-nine specimens with PGC,21 with cholecystoadenoma and 13 with chronic cholecystitis were included in this study.Laminin and survivin expression in gallbladder tissues were detected by immunohistochemistry.The relationship between laminin or survivin expression and clinico-pathologic data were also analyzed.RESULTS: An intact basement membrane(BM) with well-delineated,smooth and continuous line-like laminin staining was identified in the tissues from chronic cholecystitis,adenoma of gallbladder and gallbladder carcinoma in situ.Submucosal BM,which was interrupted in PGC specimens in NevinⅡstage,was almost lost in tumor tissues in Nevin Ⅲ,Ⅳ and Ⅴ stage.Meanwhile,a distinguishing feature of the tumor tissue was broken or discontinuous line-like laminin staining in the matrix to tumor cells.These lines were detected to be weak,or even entirely absent in some neoplastic tissue sections.Sometimes,a faint cytoplasmic staining of laminin was also found in tumor tissues as classified to Nevin Ⅲ,Ⅳ and Ⅴ stage.Expression of survivin in PGC tissues was significantly higher than that in adenoma of gallbladder and chronic cholecystitis.However,survivin expressions had no specificity and positive predictive value for cell differentiation and grade as well as clinic stage of PGC by using statistical analyses.Furthermore,no correlation was confirmed between the staining features of laminin and survivin expression.CONCLUSION: Laminin expression is strongly associated with the malignancy and invasiveness of PGC,and survivin might play an important synergistic role in the development of PGC.
4.Tumor Angiogenesis and Dynamic Contrast-enhanced MR Imaging in Non-small Cell Lung Cancer:Imaging-Pathologic Correlation
Wei XING ; Chunhong HU ; Xiaoying ZHANG ; Liang GUO ; Yi DING
Journal of Practical Radiology 2000;0(12):-
Objective To investigate the correlation of dynamic contrast-enhanced (DCE) MRI features with microvessel density (MVD) and vascular endothelial growth factor (VEGF) in non-small cell lung cancer(NSCLC).Methods Conventional MR imaging and dynamic contrast-enhanced scan in thirty-three patients with NSCLC confirmed by pathologyn were performed. MVD and VEGF were stained with immuno-histochemical technique in all cases. Some parameters of DCE MRI, including maximum slope(Smax) and time to peak(TTP) were put more analysis. The relationship between the results of DCE MRI (Smax and TTP) and that of immuno-histochemistry (MVD and VEGF) was analysed.Results The Smax of adeno carcinoma was higher than that of squamous cell carcinoma,but TTP was lower. The difference was obvious difference(t=3.22,P
5.Aldosterone inhibits Akt activation and induces apoptosis in rat podocytes
Cheng CHEN ; Guohua DING ; Wei LIANG ; Junya JIA ; Hongxia YANG
Chinese Journal of Nephrology 2005;0(08):-
Objective To evaluate the effect of ALD on podocyte apoptosis and the possible roles of Akt in ALD-induced apoptosis. Methods The cultured rat podocytes were incubated with increasing concentrations of ALD (10-9~10-5 mol/L) for variable time periods. Apoptosis was evaluated by cell nucleus staining and flow cytometry. RT-PCR was used to examine the expression of mineralocorticoid receptor (MR)and 11 Beta-hydroxysteroid dehydrogenase type 2 (11?-HSD2) mRNA in podocyte. Activation of Akt/PKB was evaluated by performing Akt kinase assay. Results ALD induced podocyte apoptosis in a dose- and time-dependent manner. The proapoptotic effect was attenuated by the presence of spironolactone (10-7mol/L). The expression of MR and 11P-HSD2 mRNA was demonstrated in the podocytes by RT-PCR. ALD also inhibited the activity of Akt in a dose-dependent manner, but the inhibitory effect was significantly ameliorated by the presence of spironolactone. The activity of Akt was negatively correlated with podocyte apoptosis. Conclusion ALD induces apoptosis in rat podocytes through the signaling mechanism by which Akt is inhibited.
6.Surfactant protein A regulates the expression of MIP-2 and inhibits NF-?B binding activity in tubular epithelial cells
Shaojiang TIAN ; Guohua DING ; Cheng CHEN ; Junya JIA ; Wei LIANG
Chinese Journal of Nephrology 1997;0(05):-
Objective To investigate the effect of surfactant protein A (SP-A) on the production of MIP-2 and binding activity of NF-?B in rat tubular epithelial cells, and evaluate its possible role in renal inflammation. Methods Confluent cultures of NRK-52E cells (a renal tubular epithelial cell line of rat origin) were pretreated with various concentrations of SP-A(0 to 80 ?g/ml) and stimulated by lipopolysaccharide (LPS) (10 ?g/ml) with 2% serum. MIP-2 expression was measured by enzyme-linked immunosorbent assay (ELISA) and reverse transcription-polymerase chain reaction (RT-PCR). The effect of SP-A on NF-?B binding activity was assessed by electrophoretic mobility shift assay (EMSA). Results MIP-2 mRNA and protein was expressed and up-regulated in NRK-52E cells stimulated by LPS. The expression of MIP-2 was down-regulated by SP-A. NF-?B binding activity was inhibited by SP-A in a concentration-dependent manner. Conclusion SP-A binding activity and down-regulates the expression of MIP-2 in renal tubular epithelial cells, which may play an important role in the modulation of renal tissue inflammation.
7.Lipopolysaccharide-induced expression of surfactant protein A subtypes in human renal tubular epithelial cells
Jiao LIU ; Guohua DING ; Fengqi HU ; Wei LIANG
Chinese Journal of Nephrology 2010;26(11):834-839
Objective To determine the surfactant protein A (SP-A) subtype distribution and expression in human renal tissue and cultured human renal tubular epithelial cells(HK-2), and to explore the influence of Lipopolysaccharide (LPS) on the expression of SP-A subtypes mRNA and SP-A protein. Methods lmmunohistochemical staining was performed using SP-A polyclonal antibodies. RT-PCR was performed with mRNA from HK-2 cells and normal human kidney.Restriction fragment length polymorphism(RFLP) and sequencing were used to evaluate the subtypes of SP-A. The relative content of SP-A mRNA in human kidney and human lung was compared by real-time PCR. Western blotting analysis for SP-A was performed on protein from renal tissue and cultured HK-2 cells SP-A protein in human urine and culture supernatant of HK-2 cells was measured by enzyme-linked immunosorbent assay (ELISA) and Western blotting respectively. HK-2cells were treated with LPS at various concentrations (0,0.1,1,2,5,10 mg/L) for 8 h and at 5mg/L for various time points (0,2,4,8,16,24 h). Expression of SP-A mRNA and protein was analyzed by RT-PCR and Western blotting. Results SP-A was localized in renal tubular epithelial cells of both proximal and distal convoluted tubules. SP-A1, SP-A2 mRNA and protein could be detected in normal HK-2 cells and human kidney. The significant secretion of SP-A [urine: (106.614172.772) nmol/L, n=30; culture supernatant: (85.533±58.622) nmol/L, n=10] was shown. The levels of SP-A1, SP-A2 mRNA and Sp-A protein in HK-2 cells were significantly decreased after treatment with LPS. Conclusions Human renal tubular epithelial cells can express both SP-A1 and SP-A2 genes which may play an important role in inflammation modulation of kidney.
8.Effect of aldosterone on glomerular mesangial cells apoptosis bothin vivo and in vitro
Zhilong REN ; Wei LIANG ; Guohua DING ; Fengqi HU ; Hongxia YANG
Chinese Journal of Nephrology 2011;27(11):838-843
Objective To evaluate the effect of aldosterone (Ald) on glomerular mesangial cells apoptosis and to explore the possible mechanisms.Methods Twenty-four Sprngue-Dawley rats were subcutaneously embedded with osmotic mini-pumps and randomly divided into 3 groups.Aldosterone (1.5 μg/h) was administrated subcutaneouly by osmotic mini-pumps in Ald group,eplerenone (Epl,100 mg·kg-1·d-1) and Ald (1.5 μg/h) was given to Epl group.And normal saline was used in control group (Con group).Systolic blood pressure and urinary albumin excretion rate (UAER) were detected on day 0,7,14,21,28.Blood and kidney samples were harvested on day 28.Plasma creatinine,potassium and aldosterone were measured.Renal paraffin sections were stained by PAS and the morphological changes were evaluated by light microscopy.Apoptosis index of mesangial cells were detected by TUNEL assay.The glomerular mesangial cells (MCs) were cultured in a DMEM-F12 media.MCs apoptosis was evaluated by staining cells with Annexin V and propidium iodide (PI) using flow cytometer.Expression of Bcl-2 and Bax mRNA was examined by RT-PCR.The protein level of Bad or phospho-Bad was measured by Western blotting.Results Ald-infused rats developed hyperaldosteronemia and hypokalemia.Rats in Ald group exhibited significant hypertension and marked albuminuria.Ald group rats showed increased number of TUNEL-positive mesangial cells when compared with control rats (P<0.05).Aldosterone induced mesangial cells apoptosis in a time-dependent manner.Expression of Bcl-2 mRNA was decreased but Bax mRNA was increased in aldosterone treated MCs compared to that in Con group (P<0.05).Aldosterone promoted dephosphorylation of cytosolic phospho-Bad compared with vehicle treated cells (P< 0.05).However,eplerenone attenuated these effects of aldosterone.Conclusion Aldosterone directly promotes mesangial cells apoptosis,and eplerenone can attenuate this effect of aldosterone.Dephosphorylation of cytosolic phospho-Bad may be the key role in the progression of mesangial cells apoptosis induced by aldosterone.
9.Simvastatin down regulation LOX-1 and ROS in NRK52E Induced by Ox-LDL
Rui WANG ; Guohua DING ; Wei LIANG ; Cheng CHEN
Journal of Chinese Physician 2011;13(12):1621-1623
ObjectiveTo investigate the effect of Simvastatin on LOX-1 and ROS in NRK52E induced by ox-LDL.MethodsNRK-52E cells were divided into three groups: Control group,ox-LDL group (50 μg/ml ox-LDL) and Simvastatin group (10 μmol/L Simvastatin +50 μg/ml ox-LDL).After incubation for 24 h,the expression of LOX-I was analyzed by Western blotting,and production of reactive oxygen species (ROS) was analyzed with confocal laser scanning microscopy.ResultsNRK-52E expressed LOX-1 at low level,50 μg/ml ox-LDL increased the expression of LOX-1 by 6.80 times.Pre - treatment with Simvastatin decreased LOX-1 expression by 65%.There was little ROS generation in NRK52E cells,50μg/ml ox-LDL promoted the expression of LOX-1 by 4.86.times.Pre - treatment with Simvastatin decreased ROS generation by 60%.ConclusionsSimvastatin upregulate LOX-1 expression and ROS generation induced by Ox-LDL in NRK52E cells.

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