1.Effects of Danshen Chuanxiongqin injection on oxidative stress and cardiac function in patients with acute myocardial infarction after PCI
Chinese Journal of Biochemical Pharmaceutics 2017;37(8):129-132
Objective To discuss the effects of Danshen Chuanxiongqin injection on oxidative stress and cardiac function in patients with acute myocardial infarction after PCI. Methods A total of 84 patients with acute myocardial infarction underwent PCI treatment, patients were randomly divided into control group and observation group. The two groups received oral clopidogrel and aspirin before operation, and two prevention and treatment of myocardial infarction were given after operation. The treatment group was treated with Danshen Chuanxiongqin injection on the basis of the control group.The two groups were detected with superoxide dismutase (SOD), malondialdehyde (MDA), nitric oxide (NO), cardiac troponin I (TnT), creatine kinase isoenzyme (CK-MB), plasma brain natriuretic peptide (brain natriuretic, peptide, BNP) level in PCI after surgery before and after PIC 12 and PIC after 7 days.The left ventricular end diastolic diameter (LVEDD) and ejection fraction (LVEF) were compared between the two groups before and after treatment. Results Postoperative 12h, two groups of indicators were elevated. After the treatment of 7D, the treatment group MDA, TnT, CK-MB, BNP, significantly lower than the control group, SOD, NO, higher than the control group, the difference was statistically significant (P<0.05). Heart color index, LVEDD and LVEF were improved in the two groups, but there was no significant difference between the two groups. Conclusion Danshen Chuanxiongqin injection can effectively scavenge free radicals, inhibit oxidative stress, alleviate inflammation and improve ischemia-reperfusion injury and cardiac function in patients with acute myocardial infarction after PCI.
2.Effects of treadmill training on the expression of HSP70 and C-MYC in the brains of rats with focal cerebral ischemia
Deshan LIU ; Nan LIU ; Yixian ZHANG ; Houwei DU ; Ronghua CHEN
Chinese Journal of Physical Medicine and Rehabilitation 2010;32(5):333-337
Objective To observe the effects of treadmill training on the recovery of neurological function and the expression of HSP70 and C-MYC in the brains of rats with focal cerebral ischemia. Methods Forty-two male adult Sprague-Dawley rats were randomly divided into a sham group ( n =6), a model group (n =18) and a treadmill exercise group (n=18). Focal cerebral ischemia was induced by right middle cerebral artery occlusion (MCAO) in the model group and exercise group using a modified version of Longa's method. The rats in the treadmill exercise group were given treadmill training 6 d per week for 2 weeks after 24 h of MCAO. By contrast, the rats in the sham group and the model group were reared in standard cages. Before the rats were sacrificed at the 3rd, 7th and 14th d after MCAO, their neurological functions were tested using modified neurological severity scores ( mNSS) , and the mRNA and protein levels of HSP70 and C-MYC were detected using a reverse transcriptase-polymerase chain reaction (RT-PCR) , immunohistochemistry and Western blotting. Results Neurological function in the exercise group at the 7th and 14th days after MCAO had improved significantly compared with the control and model groups.The mRNA and protein levels of HSP70 and C-MYC were significantly upregulated at the 7th and 14th days. Conclusions Treadmill training can improve neurological function by upregulating the expression of HSP70 and C-MYC in the ischemic brain after MCAO.
3.Analysis on the incidence of bile duct dilatation after open and laparoscopic cholecystectomy
Rong LIU ; Deshan HE ; Tiecheng DANG ; Zhe WANG
Chinese Journal of Current Advances in General Surgery 2016;19(12):925-927
Objective:To investigate the open method(OC) and laparoscopic cholecystectomy (LC) after bile duct dilation incidence of contrast.Methods:collected from 2006 December to 2014 December in the department of hepatobiliary surgery requires 412 patients underwent cholecystectomypatients hospitalized with cholecystolithiasis,chronic cholecystitis,gallbladderpolyps,were randomly divided into LC group and OC group,LC group of 207 cases,205 cases in OC group,and were respectively treated with LC and OC.Start regular follow-up after a month,the comparison of 2 surgical operation time,blood loss and postoperative application of antibiotics time,anus exhaust time,eating time and hospitalization time.And to observe the two groups the incidence of patients after bile duct dilatation in follow-up after operation.Results:207 cases of LC patients were 89 patients had bile duct dilation,205 cases of OC patients were 41 patients had bile ductdilation,statistically significant differences between the two groups (P<0.05).In group LC,the diameter of common bile duct in operation half months began to increase,the increase continued until 3 months after operation.After 3 months of little change in the diameter of common bile duct.The averagepreoperative bile duct diameter is 5.3 mm,after 6.1 mm,there was significant difference(P<0.01).Conclusion:LC is a safe and reliable operation method,Identifying cause dilatation of common bile duct after LC operation and attention as soon as possible to give the corresponding prevention and treatment,further can reduce complications occur.
4.Determination of Gastrodine in Tianma Formula Granule by HPLC
Donghmei SUN ; Songling FAN ; Fajin LIU ; Deshan NING
Traditional Chinese Drug Research & Clinical Pharmacology 2000;0(06):-
Objective: To establish a method for the determination of gastrodine in Tianma Formula Granule. Methods: HPLC was used with LiChrospherR 100 column, MeOH-phosphate solution(contain KH2PO4 and Na2HPO4 each 0.1mol/L)-water(1.5:3:95.5) as mobile phase and detection wavelength at 270nm. Results: Gastrodine showed a good linearity in the range of 1.638~14.742?g. The average recovery was 98.17 %and RSD was 1.39 %(n=5). Conclusion: This method is simple, accurate and with good reproducibility, and can be used for the quality control of Tianma Formula Granule.
5.Isolation, culture and identification of pancreatic stem cells of Kunming mouse
Maolin QIN ; Jianjun LIU ; Zhongxiang YAO ; Deshan ZHOU ;
Journal of Third Military Medical University 1984;0(01):-
Objective To isolate and identify pancreatic stem cells of Kunming mouse and to observe the differentiation potency of those cells. Methods Pancreas of postnatal Kunming mice were digested by enzymes to isolate pancreatic stem cells. The potency of the cell differentiation was then identified with special marker of cytokeratin 19(CK 19), insulin and glucagons by immunocytochemical staining. Results Few epithelioid cells could be found to survive at the beginning of isolation, but when medium was replaced by that with growth factor, the cells proliferated quickly in fusiform shape and formed colony gradually. The cells were CK 19 immunoreactive positive after transfer of culture. After differentiation induced by high glucose, the cells formed the pancreatic islet like structures. Immunocytochemical staining showed that part of the cells of pancreatic islet like structures were insulin immunoreactive positive and few of the cells were glucagon immunoreactive positive. Conclusion Pancreatic stem cells of Kumming mouse can proliferate when cultured in vitro and have the potency of differentiation into ? and? cells of pancreatic islet.
6.FGF-21 Improves Glucose Uptake and Glycogen Synthesis of Insulin-resistant Liver Cells
Mingyao LIU ; Wenfei WANG ; Yixue YU ; Yuting HOU ; Guiping REN ; Deshan LI
Progress in Biochemistry and Biophysics 2006;0(10):-
Insulin resistance in insulin sensitive organ results in metabolic disorder such as hyperglycemia, hyperinsulinemia and hyper triglyceridemia which are common features of type 2 diabetes.Insulin resistance in liver cells mainly causes impaired glycogen synthesis, failed to suppress glucose production which is the major contribution to hyperglycemia.FGF-21 as a new metabolic regulator can control fasting blood glucose.The mechanism of FGF-21 effects on regulating plasma glucose has little to known.In order to establish an in vitro insulin resistant model of liver cells and evaluate the effects and mechanism of FGF-21 on glucose metabolism in the cell model, HepG2 cells were incubated with 10-7 mol/L insulin for 24 h to build insulin-resistant cell model.To evaluate the cells for insulin resistance, the cells were stimulated with fresh insulin for 24 h and the glucose uptake by these cells was carried out.The insulin-resistant cells were treated with different concentrations of FGF-21 for 24 h and insulin-treated cells were used as a control.The glucose uptake by the cells was detected by the method of glucose oxidizes/peroxides(GOD-POD);the synergy between insulin and FGF-21 was evaluated.The mRNA expression of GLUT1 in the insulin-resistant cells was detected by the real-time PCR.Glycogen synthesis of the cells was examined by the anthrone method.The results showed that HepG2 cells treated with 10-7 mol/L insulin for 24 h became resistant to insulin and the insulin resistance status was maintained for 48 h without change of cell morphology.FGF-21 could stimulate glucose consumption of the insulin-resistant model in a dose-dependent manner.The glucose consumption and glycogen synthesis of the insulin-resistant model were significantly improved by FGF-21 treatment.FGF-21 showed strong synergy with insulin in glucose uptake and glycogen synthesis of the model cells.While the cells became resistant to insulin, FGF-21 could increase the mRNA expression of GLUT1.Thus, It is concluded that FGF-21 stimulates glucose uptake in insulin resistant HepG2 cells through GLUT1 expression, stimulates glycogen synthesis and improves the glucose metabolism in the insulin resistant liver cell model.
7.Mechanisms of the role of fibroblast growth factor 21 in attenuating insulin resistance.
Tongyu XU ; Wenfei WANG ; Pengfei XU ; Qingyan YUAN ; Shuangqing LIU ; Tong ZHNAG ; Guiping REN ; Deshan LI
Acta Pharmaceutica Sinica 2015;50(9):1101-6
This study is to evaluate the therapeutic effect of fibroblast growth factor 21 (FGF21) on type 2 diabetic mice model and to provide mechanistic insights into its therapeutic effect. Type 2 diabetic animal model was established with high calorie fat diet and low dose streptozotocin (STZ) injection. Mice were then randomized into 5 groups: model control, FGF21 0.25 and 0.05 μmol x kg(-1) x d(-1) groups, insulin treatment group. Ten age-matched normal KM mouse administered with saline were used as normal controls. Serum glucose, insulin, lipid products and the change of serum and liver tissue inflammation factor levels between five groups of mouse were determined. The results showed that blood glucose, insulin, free fatty acids (FFAs), triglycerides, and inflammatory factor average FGF-21 of type 2 diabetes model group and normal control group were significantly higher (P < 0.01), while compared with insulin group, no difference was significant. Average blood glucose, insulin, blood lipid and inflammatory factor of FGF-21 treatment group compared with type 2 diabetes group was significantly lower (P < 0.01) and insulin group has no difference with the model control group. The results of OGTT and HOMA-IR showed that insulin resistance state was significantly relieved in a dose-dependent manner. Thus, this study demonstrates that FGF-21 significantly remits type 2 diabetic mice model's insulin resistance state and participates in the regulation of inflammatory factor levels and type 2 diabetes metabolic disorders.
8.The long lasting effect of the murine fibroblast growth factor-21 on blood glucose control of diabetic animals.
Jingzhuang ZHAO ; Guopeng SUN ; Xianlong YE ; Jinnan LI ; Guiping REN ; Wenfei WANG ; Mingyao LIU ; Deshan LI
Acta Pharmaceutica Sinica 2013;48(3):352-8
Insulin is the most common medicine used for diabetic patients, unfortunately, its effective time is short, even the long-acting insulin cannot obtain a satisfactory effect. Fibroblast growth factor (FGF)-21 is a recently discovered glucose mediator and expected to be a potential anti-diabetic drug that does not rely on insulin. In this study, db/db mice were used as the type 2 diabetic model to examine whether mFGF-21 has the long-term blood lowering effect on the animal model. The results showed that mFGF-21 could stably maintain the blood glucose at normal level for a long-term in a dose-dependent manner. Administration of mFGF-21 once a day with three doses (0.125, 0.25 and 0.5 mg x kg(-1)) could maintain blood glucose of the model animals at normal level for at least 24 h. Administration of mFGF-21 every two days with the same doses could maintain blood glucose of the model animals at normal level for at least 48 h, although it took longer time for blood glucose to reach to normal level depending on doses used (twenty injections for 0.125 mg x kg(-1) and 0.25 mg x kg(-1) doses, ten injections for 0.5 mg x kg(-1) dose). Surprisingly, the blood glucose of the treated model animals still maintained at normal level for 24 h after the experiment terminated. Glycosylated hemoglobin level of the animals treated with mFGF-21, which represented long-term glucose status, decreased significantly compared to the control group and the insulin group. The results suggest that FGF-21 has potential to become a long-acting and potent anti-diabetic drug.
9.Experiment research of anti-PG cell metastasis and mechanism of a new Chinese herb Qcimum basilicum polysaccharide
Xun QU ; Guangjuan ZHENG ; Deshan LIU ; Meixiang YANG ; Jinbo FENG ; Shi YAN
Chinese Journal of Pathophysiology 2000;0(07):-
AIM: In this paper, we studied the efficiencies and the mechanisms of a new Chinese herb Qcimum basilicum polysaccharide (BP) on PG cell metastasis in vitro. METHODS: The number of tumor cells going through matrigel was assayed and used to represent the ability of the invasion and migration of PG cells. Using Scrape-loading and dye transfer (SLDT) technique, the efficiencies of BP on recovering PG cell gap junction -mediated intercellular communication (GJIC) was measured. The expressions of c-myc, nm23-H1 and Tiam-1 genes mRNA in PG cells treated with BP were determined by RT-PCR. RESULTS: Compared with the control, the action of invasion and migration of PG cells were decreased after treated with BP (P
10.Early apoptosis leads to decrease of B cells in MRL/lpr mice
Baohui LI ; Hongye FAN ; Fei LIU ; Deshan REN ; Yayi HOU ; Changlin ZHOU
Chinese Journal of Immunology 2016;32(3):385-389
Objective:To explore the change of B cell numbers in active MRL/lpr lupus mice , and their regulation mechanisms.Methods:B cell cycle and the percent of B cells in spleen lymphocytes of active MRL /lpr lupus mice and normal C 57/B6 mice were analyzed by using flow cytometry .The apoptotic B cells and their subclass were analyzed by Annexin V and PI staining.Further more ,B cells were purified by magnetic sorting , and real-time quantitative PCR was carried out to detect apoptosis-related gene.Results:Compared with the C57/B6 mice,the percent of B cells in active MRL/lpr lupus mice were significantly reduced (P<0.01),while the percent of apoptotic cells were significantly increased (P<0.01).The percent of early apoptotic B cells were sig-nificantly increased ( P <0.01 ) which including the immature and mature B cells , while the late apoptotic B cells were unchanged.Further more,we found that the anti-apoptotic protein BIRC3 was significantly reduced in active lupus B cells (P<0.01), while the pro-apoptotic protein BCL2L1 and BBC3(PUMA) were significantly increased(P<0.01).Conclusion: B cells in active lupus mice were significantly reduced while early apoptotic B cells were increased , which may be attributed to the changed balance between the anti-apoptotic and pro-apoptotic proteins , suggesting the reduction of B cells in SLE patients may be related to their increased early apoptosis .