1.Clinical Observation of Early Application of Tirofiban Combined with Different Lipid-regulating Drugs Inter-vention in Elderly Patients with Coronary Heart Disease
China Pharmacy 2015;(29):4118-4120,4121
OBJECTIVE:To observe short-term efficacy and safety of early use of tirofiban combined with different lipid-regu-lating drugs percutaneous coronary intervention(PCI)in elderly patients with coronary heart disease. METHODS:562 elderly pa-tients with coronary heart disease underwent selective PCI were selected and randomly divided into atorvastatin group and probucol group,with 281 cases in each group. Both group received routine treatment;atorvastatin group was additionally given tirofiban combined with Atorvastatin tablet,and probucol group was additionally given irofiban combined with Probucol tablet. Clinical indi-cators and main adverse cardiac event(MACE)were compared between 2 groups before and after treatment. RESULTS:After treat-ment,3 level of thrombolysis in myocardial infarction(TIMI)in atorvastatin group accounted for 69.4%,which was significantly lower than 95.7% of probucol group,with statistical significance(P<0.05). After 12h treatment,CK,2 groups had lower CK-MB and LVEF and higher cTnI;LVEF decrease of atorvastatin group was more significant,with statistical significance(P<0.05);af-ter 8 weeks of treatment,NO,NO/ET-1,GSH,GSH/GSSG of probucol group were increased significantly,and ET-1,GSSG and Eh decreased significantly;above indexes of atorvastatin group had no significant change,there was statistical significance between 2 groups(P<0.05). The incidence of MACE in atorvastatin group and probucol group were 21.7% and 21.4%,there was no sig-nificant difference (P>0.05). CONCLUSIONS:Tirofiban combined with different lipid-regulating drugs can effectively improve the prognosis of elderly patients with coronary heart disease after PCI operation with good safety,but tirofiban combined with pro-bucol has more obvious therapeutic effect.
2.Optimum Selection of the Extracting Procedure of Rhizoma Corydalis
Shan HUANG ; Feng CHEN ; Liwei GUO
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(01):-
Objective To choose the bestway of extracting procedure of Rhizoma corydalis. Methods The optimal extraction process is selected with the orthogonal design. The content of corydalis B and the yield of extracts were used to evaluate the factor levels. Results The ideal extraction process is:extracted with 75% alcohol for 2 times, first 6 times amount, soaked 0.5 h, refluxed 1.5 h, then 4 times amount, refluxed 1.5 h. Conclusions This extractive condition is the best way.
3.Degradation of earthworm extracts prepared by wet superfine grinding in simulated gastrointestinal environment.
Fengyun YANG ; Tingming FU ; Liwei GUO ; Feng LIU ; Wei ZHANG
Acta Pharmaceutica Sinica 2012;47(1):110-5
This is to report the study of degradation of earthworm extracts prepared by wet superfine grinding in simulated gastrointestinal environment. Enzymatic reactions were terminated by adjusting the solution pH or using membrane bioreactor principle. Earthworm protein concentration change was detected by Bradford method, the degraded state of protein was described with SDS-PAGE technology, and the degraded state of small molecule substances was detected by HPLC. The results showed that earthworm protein degraded completely in artificial gastric juice. High molecular weight protein degraded greatly in artificial intestinal fluid, while low molecular weight protein was not significantly degraded. Small molecular substances degradation did not degrade in artificial gastric juice, while they degraded obviously in artificial intestinal fluid, there is even new small molecule substance appeared. Finally it is concluded that the substance that having therapeutic effects in vivo may be some degraded peptide, amino acid and stable small molecules existed in artificial intestinal fluid.
4.Optimization of transfection conditions for transfecting shRNA to endothelium of mouse angioma cells mediated by lentiviral vector
Chengyu LV ; Feng QI ; Yachuan GU ; Liwei ZHU
Clinical Medicine of China 2009;25(6):565-567
Objective To optimize the transfecfion parameters for transfecting small interfering RNA (siR-NA) to endothelium of mouse angioma (EOMA) cells mediated by lentiviral vector. Methods According to Poly-brene existing or not(8 μg/ml), series of multiplicity of infection (MOI) (1, 5, 10, 15, 20)and the time of infec-tion(4, 6, 12,24 h), EOMA cells were divided into 40 groups. 140 hours after transfection, cells were counted un-der fluorescent microscope to determine the percentage of the cells transfected under each condition. The cell viability was calculated by using Typan Blue. Results The percentage of positive cells was as high as 83% in the group with Polybrene (8 μg/ml), MOI(5) and the time of tranfectian (6 h), and the livability of EOMA in this group was 96%. After that, the transfection efficiency was not increased with the increasing of MOI, the time of transfection, but the mortality of EOMA was increased markedly. Conclusion The transfection efficiency and cell viability are dependent on the Polybrene(8 μg/ml),correct MOI (5)and the time of transfection (6 h).
5.Clinical effect of penile lengthening and augmentation with autologous granular fat graft on short penis
Yulin DONG ; Liwei DONG ; Wensen XIA ; Lin HE ; Feng SUN
Chinese Journal of Medical Aesthetics and Cosmetology 2016;22(4):221-224
Objective To evaluate the effectiveness and safety of autologous granular fat graft applied for penile lengthening and augmentation.Methods After all the superficial ligment and 1/3-2/ 3 part of the deep suspensory-ligament had been cut off for penile lengthening,local pedicaled fasciaadipose flap was designed to fill the depression,the pre-centrifuged autologous granular fat was injected into the space beneath Buck's fascia for penile augmentation.Normal length,pulling penis length,diameter,circumference and complications were evaluated.Results 34 cases were performed and followed up for 3-18 months,both ideal length and diameter increase of penis were achieved.The differences of nomal length,pulling-length,the diameter and circumference were (2.8±0.1) cm,(2.1±0.2) cm,(0.9 ± 0.1) cm,(2.8 ± 0.1) cm,respectively.The common complications included poor wound healing in 4 cases,preputial edema and subcutaneous scleroma in 8 cases for 3 months.Conclusions Autologous granular fat graft for penile augmentation during the lengthening surgery is a reliable and effective method and easy procedure.Detail processing can decrease the complications.
6.Effects of gallotannin on proliferation and cell cycle of rat glomerular mesangial cells under condition of high glucose
Meng QU ; Rui JIANG ; Kai FENG ; Liwei SUN ; Zhiheng DONG
Journal of Jilin University(Medicine Edition) 2016;42(5):920-924
Objective: To explore the inhibitory effect of gallotannin (GLTN) on the proliferation of rat glomerular mesangial cells (GMC)induced by high sugar stimulation and the influence in the cell cycle of the rats, and to clarify the prevention effect of GLTN in the occurrence and development of diabetic nephropathy (DN). Methods:The experimental cells were divided into normal control group (D-glucose 5.5 mmol·L-1 ,NC group), high glucose group (D-glucose 30 mmol· L-1 ,HC group),high glucose + 5 mmol· L-1 3 - AB group (AB group),high glucose + 20 μmol·L-1 GLTN group (G20 group),high glucose + 40 μmol· L-1 GLTN group (G40 group).The proliferation of GMC in different groups at different time points (4,8,24,48 and 72 h)was observed by MTT assay.The changes of cell cycle of GCM under different culture conditions were examined by flow cytometry,and the expression levels of TGF-β1 and CTGF were detected by Western blotting method. Results:Compared with NC group,the proliferation levels of GMC in HC group were increased (P <0.01),and reached the peak at 48 h ;the percentage of S phase cells was increased (P <0.01).Compared with HC group,the proliferation levels of GMC in 3-AB group and GLTN group were significantly decreased (P < 0.01 ),and the percentages of S phase cells were decreased (P <0.01).Compared with NC group,the protein expression levels of TGF-β1 and CTGF in each drug group were increased (P < 0.05 or P < 0.01),but they were significantly lower than those in HC group (P < 0.01).Conclusion:GLTN can inhibit the proliferation of GMC under high sugar stimulation through arresting the cell cycle and down-regulating the expressions of TGF-β1 and CTGF and delay the occurrence and development of DN.
7.Supercritical CO_2 Fluid Extraction of Tetrahydropalmatine from Corydalis yanhusuo W.T.Wang by Orthogonal Design
Feng CHEN ; Liwei GUO ; Shanlin JING ; Daizhu WANG
Traditional Chinese Drug Research & Clinical Pharmacology 1993;0(02):-
Objective To find out the optimal supercritical CO2 fluid extr ac tion prosess for Tetrahydropalmatine. Methods The extraction process was optimiz ed by orthogonal design with the yield of Tetrahydropalmatine as markers. Three factors including extraction pressure, temperature and the volume of entrainer were observed. Results The optimal condition of supercritical CO2 fluid extrac tion process was: under the pressure of 15Mpa at 40 ℃ , 1.5 fold of 95 % EtO H with Corydalis yanhusuo W.T.Wang as the entrainer. Conclusion The optimal supe rcritical process is feasible, with the advantage of low temperature and energy consumption, short time, high production and no organic residua.
9.Discussion on the management and usage of genetically modified mice
Feng TIAN ; Bo REN ; Yunfeng ZHANG ; Liwei MA ; Zhenhui ZHENG
Chinese Journal of Comparative Medicine 2014;(7):72-74
The genetically modified mice , as a helpful model , have been widely used in life scientific research . However, several new issues appeared subsequently with the wide application of the genetically modified mice .Here, we mainly discussed and analyzed the problems in the management and usage of genetically modified mice , which underlies the foundation for establishing management practice of the genetically modified mice .
10.Experience and procedure of the model of rat heterotopic heart transplantation
Guohua GAI ; Zhendong SUN ; Feng QI ; Jiaji LEI ; Liwei DIAO ; Qinghua ZHANG ; Naishi WU
Journal of Chinese Physician 2012;14(2):182-184
ObjectiveTo summarize the method and experience of the model of rat heterotopic heart transplantation and to improve the rate of success of the experiment.Methods120 heterotopic heart transplantations were performed by Ono's way,including 60 prepared transplantations and 60 formal transplantations.ResultsRate of success of prepared transplantations was 45%,and formal transplantation was 85%.Mean time of formal operation was (74.3±17.1)min,removal time of the donor heart was (7.9±4.2)min,ischemia time was (29.6±10.3) min and the survival time of allograft was (11.1±5.7)days.5 of the recipients had a long-term survival,and the maximum weight was 740 g.ConclusionsGood surgical technique and rigorous perioperative management is very important in setting up the rat model of heterotopic heart transplantation.