1.Determination of the Content of Ephedrine Hydrochloride in Wenyang Tongbi Wan by RP-HPLC
Zhuangsong ZHU ; Jianchang LIN ; Zhimei WANG
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(11):-
Objective To establish a HPLC method for determination of the content of ephedrine hydrochloride in Wenyang Tongbi Wan. Methods A DDS-C18 column (4.6 mm?150 mm, 5 ?m) was used. The mobile phase was methane-water (1∶1). The column temperature was 30 ℃. The flow rate was 1 mL/min. Results There was good linearity of ephedrine hydrochloride in the range of 1.308 6~3.918 0 ?g (r=0.999 3, n =5). The average recovery was 98.91% (RSD=0.68%, n =5). Conclusion This method is simple, accurate and repeatable, and can be used for quality control of Wenyang Tongbi Wan.
2.Clinical effect of liraglutide and metformin hydrochioride on overweight diabetic patients due to poor glycemic control
Li LI ; Kaisi ZHU ; Jianchang QU ; Aixiang XIA ; Wen ZHANG
Clinical Medicine of China 2014;30(1):67-69
Objective To investigate the effect of liraglutide and metformin hydrochioride on overweight diabetic patients because of poor glycemic control.Methods Forty-four overweight patients with poor glycemic control were randomly divided to the control group,the liraglutide group and the metformin hydrochioride group.Patients in control group were given diet and exercise control,in liraglutide group and the metformin hydrochioride group were given subcutaneous injection liraglutide,metformin hydrochioride oral treatment respectively for 12 weeks.Body mass index(BMI),fasting blood glucose (FBG),2-hour postprandial blood glucose (2 hPBG) and glycosylated hemoglobin (HbA1c) were measured.Results Compared with pretreatment,FBG,2 hPBG and HbA1c of patients in liraglutide group and metformin hydrochioride group were lower after treatment,and there was significant difference between the two group and the control group after treatment(P < 0.05).BMI of patients in liraglutide group was (24.61 ± 3.47) kg/m2,lower than of the control group((25.37 ± 4.70) kg/m2,P < 0.05).2 hPBG of patients in the liraglutide group was (7.13 ± 3.85)mtmol/L,lower than that of the metformin hydrochioride group ((8.03 ± 4.33) mtmol/L,P < 0.05).FBG level in metformin hydrochioride group ((6.31 ± 3.45) mmol/L) was lower than that of the liraglutide group ((6.98±2.97) mmol/L),but the difference was not statistically significant(P > 0.05).Conclusion Liraglutide and metformin hydrochioride treatment can effectively reduce weight and blood sugar of the overweight diabetics.The effect of liraglutide to reduce postprandial blood glucose and weight of the patient is more significant than of metformin hydrochioride.
3.Effects of RNA interference targeting HOXA9 on the proliferation and apoptosis of human acute monocytic leukemia U937 cells
Liping ZHU ; Xiuhong JIA ; Jianchang LI ; Zhaodong HAN
Cancer Research and Clinic 2012;24(8):533-536
Objective To investigate the effects of small interference RNA (siRNA) targeting HOXA9 on the proliferation and apoptosis of human acute monocytic leukemia U937 cell line.Methods Effective and specific siRNA oligo targeting HOXA9 was designed and compounded.It was transfected transiently into U937 cells by cationic liposome.The cells was divided into three groups:experimental group(siRNA targeting HOXA9 was transfected by liposome),negative control group (negative siRNA was transfected by liposome) and cell control group (add equal cells and medium).The expression of HOXA9 mRNA and protein were detected by reverse transcription PCR and Western blot.The cell proliferation was assessed by MTT.The apoptosis of each group were measured by Annexin V-FITC.Results Aftcr transfected by siRNA targeting HOXA9,the relative mRNA expression levels of HOXA9 in the experimental group,negative control group and cell control group were (22.980±0.548) %,(82.371±1.517) % and (84.637±2.252) %,respectively (P < 0.05),and the relative protein expression levels were (50.377±2.773).%,(105.500±3.900) % and (111.392±3.905) %,respectively (P < 0.05).The inhibitory rates of cell proliferation and the apoptosis rates of the experimental group were significantly increased.The inhibitory rates of cell proliferation of 24 h,48 h and 72 h were (41.909±4.333) %,(54.470±3.756) % and (65.835±1.024) %,respectively,and the apoatosis rate was (26.800±2.081) %.Compared with 2 controls,the experimental group differences had statistically significance (P < 0.05).Conclusion siRNA targeting HOXA9 can effectively silence HOXA9 gene expression in U937 cell,suppress cell proliferation and induce cell apoptosis obviously,which providing experimental basis for clinical lenkemia therapy by targeting HOXA9 gene.
4.The present analysis of measurement in Nanjing General Hospital
Liming TANG ; Min WU ; Hanghang ZHU ; Jianchang ZHANG ;
Journal of Medical Postgraduates 2003;0(03):-
Objectives:Expatiates on the necessity of measurement in hospital,draws the criterion and standard for skeleton medical measurement. Methods and Results:Summarizes forepassed miscarriage and experience, actuality, brings forward the developmental direction of skeleton medical measurement in the future. Conclusions:The development of medicine can not depart from medical measurement.
5.An empirical study on medical selection of flying cadets with arrhythmia between PLAAF and USAF
Di ZHU ; Zhikang ZOU ; Congchun HUANG ; Chaozhong LIU ; Xiaoguang XIAO ; Jianchang WANG ; Zhongli MA
Military Medical Sciences 2016;(1):12-15
Objective To determine whether the candidates who are disqualified because of arrhythmia during medical selection of flying cadets in China are qualified or not according to United States Air Force ( USAF ) Medical Standards Directory( MSD) , in order to raise suggestions on revising PLAAF medical selection of flying cadets.Methods ECG was performed on all candidates who participated in the final stage of medical selection of flying cadets, and they were considered qualified or not according to USAF MSD.Results Arrhythmia accounted for the largest proportion of cardiovascular diseases( CVDs) in PLAAF medical selection of flying cadets,the constituent ratios of CVDs from 2012 to 2015 were significant different (P<0.01).There were differences between the two countries and the outcome of 81.48%of the candidates disqualified for premature systole in PLAAF was unknown according to USAF MSD.Conclusion There are some differences in medical selection standards of flying cadets between PLAAF and USAF, and we could revise PLAAF standards with reference to USAF standards.
6.Clinical features of the fulminant myocarditis
Jianchang XIE ; Lei LAI ; Peng XU ; Gangjie ZHU ; Lina SUN ; Ningfu WANG
Chinese Journal of General Practitioners 2015;14(1):24-28
Objective To review the clinical features of fulminant myocartitis,in order to provide assistance to the clinical management.Methods The clinic data of 183 patients with viral myocarditis,including 153 cases of acute myocarditis and 30 cases of fulminant myocarditis admitted in our hospital during January 2008 and Dec 2012 were retrospectively analyzed.The age of onset,interval after virus infect,initial symptoms,auxiliary examination,treatment,and turnover were compared in the study.Results The average onset age of fulminant myocartitis and acute myocarditis were similar [(22.3 ± 7.6) vs.(26.2 ± 12.6) years,P =0.105 5].There was a significant difference between the two gourps in the rate of patients with a explicit history of virus infection [30.0% (9/30) vs.78.4% (120/153),x2 =28.3,P <0.001],the average interval after virus infect [(3.1 ±2.2) vs.(7.0 ±3.80) d,P<0.001] and the length of hospital stay [(12.1 ± 6.9) vs.(6.9 ± 4.50) d,P < 0.001].Chest congestion (101/153,66.0%),feebleness (76/153,49.7%),fluster (74/153,48.4%) are the most onset symptoms of acute myocarditis,while chest congestion (24/30,80.0%),shortness of breath (14/30,46.7%),feebleness (13/30,43.3%) in flunimant myocarditis.Advanced A-V block (19/30,63.3%),cardiogenic shock (18/30,60.0%),ventricular arrhythmia(16/30,53.3%),Adams-Stokes syndrome(8/30,26.67%) and acute renal failure (8/30,26.7%) were the most complications of flunimant myocarditis.Temporary pacemaker (11 cases),extracorporeal memberane exygenator (7 cases) and intra-aortic balloon pump (7 cases) were applied in critical patients.In acute phase,21 cases were cured,9 cases was dead of cardiogenic shock and ventricular(27,30.0%).Two dead cases applied with ECMO because of delay.After leaving hospital,1 case was implanted permanent pacemaker,2 cases became chronic myocarditis and required hospitalization repeatedly.Conclusions The fulminant myocarditis has a rapid onset,most of which has no prodrome of virus infection or a shorter interval than acute myocarditis.Timely and effective mechanical circulatory support is critical for fulminant myocarditis.
7.Effect of mesalazine on Th1, Th17 and Treg cells in mice with DSS-in-duced ulcerative colitis
Bin ZHU ; Hanxian ZHANG ; Jincheng ZENG ; Boran AN ; Junfa XU ; Jianchang SHU
Chinese Journal of Pathophysiology 2014;(12):2219-2225
AIM:To investigate the effect of mesalazine treatment on regulation of Th1, Th17 and Treg cells in mice with dextran sulfate sodium ( DSS)-induced ulcerative colitis ( UC) .METHODS:The expression of IL-17, IFN-gam-ma and Foxp3 in the peripheral blood mononuclear cells ( PBMC) and intestinal mucosa lamina propria mononuclear cells ( LPMC) of DSS-induced UC mice was detected by flow cytometry analysis.The effect of mesalazine treatment on regulaiton of Th1, Th17 and Treg cells in the mice with DSS-induced ulcerative colitis was examined.RESULTS:The expression of IL-17, IFN-γand Foxp3 on CD4 +T cells were significantly higher in the PBMC of DSS-induced mice than those in control group.CD4+IFN-γ+T cells and CD4 +Foxp3 +T cells were higher in LPMC than those in control group, except CD4+IL-17 +T cells.Moreover, the Th1, Th17 and Treg cells were higher in DSS group than those in control group in LPMC.How-ever, only Tregs was higher in PBMC.Pre-treatment with mesalazine significantly decreased the number of Th17, Th1 and Treg cells of UC model mice both in PBMC and LPMC.CONCLUSION: The Th1, Th17 and Tregs cells in DSS-induced mice were significantly higher than those in control mice, suggesting that CD4 +T cell subsets play an important role in the pathogenesis of UC.Mesalazine may play a role in the treatment of UC by regulating the Th1, Th17 and Tregs cells.
8.A comparative study of nephroptosis in the second and final stage of medical selection of flying cadets
Di ZHU ; Zhikang ZOU ; Nianjun XIAO ; Xiaoguang XIAO ; Jianchang WANG ; Zhongli MA
Military Medical Sciences 2017;41(6):466-468,473
Objective To compare the physical examination results of nephroptosis in the second stage and the final stage, to find the underlying reasons, and to explore better ways to detect nephroptosis.Methods A total of 1334 subjects participated in both the second stage and final stage of PLA air force medical selection of flying cadets, and physical examination results of both stages were compared.Results All the subjects recruited denied a history of abdominal pain or recurrent urinary tract infection, and urine tests were normal.The positive rate of nephroptosis in the second stage was 10.2%, compared to 5.5% in the final stage.The difference of physical examination results in the two stages was significant, and so was that of disqualification rates.Conclusion Results of physical examination of nephroptosis in the second stage are different from those in the final stage.It′s necessary to find better ways of detection of nephroptosis.
9.Study on the mechanism of apoptosis of hepatic stellate cells induced by nerve growth factor
Jianchang SHU ; Yanmei DENG ; Haiyan ZHU ; Xia LV ; Yajun HE ; Lianxiang CHEN ; Guorong YE
Journal of Chinese Physician 2012;14(2):151-154,158
ObjectiveTo investigate the effect of NGF on apoptosis of HSC in vitro and explore the possible mechanism.MethodsHSC was incubated with different concentrations of NGF.HSC apoptosis was identified by FCM.The expressions of apoptosis-regulating proteins Caspase-3,p53 and Bcl-2 of HSC after apoptosis induced by NGF were examined by immunohistochemical staining.Expressions of NGF and p75NTR were detected by immunofluorescence.ResultsApoptosis index of HSC was higher than that of control group [(22.36±9.51)% vs (5.88±1.36)%] after treated with NGF (100 ng/ml) (P<0.05).After incubating with 100 ng/ml NGF for 24 h,the positive expression rates of p53 and Caspase-3 of HSC increased significantly than those of control group [(78.41±4.00)% vs (34.96±3.84)%,(39.26±1.57)% vs (9.27±1.01)%,P <0.05].The positive expression rate of Bcl-2 protein of HSC significantly decreased compared with that of control group (18.12±1.38)% vs (91.53±2.98)% (P<0.05).When HSC was stimulated with 100 ng/ml NGF for 24 h,the average optical density of NGF increased significantly than control group (6.53±1.40 vs 1.77±0.17) (P<0.05),while the expression of p75NTR was not significantly changed (3.52±0.36 vs 4.24±0.38) (P>0.05).ConclusionsThe mechanism of NGF to induce HSC apoptosis may be associated with the up-regulating expression of Caspase3,P53 and down-regulating expression of Bcl-2 on HSC.NGF could be used as an initiating factor and effect factor to increase the expression of NGF on HSC,but it had no significant effect on p75NTR expression.
10.Effect of Tripterygium wilfordii combined with methotrexate on short-term effect of rheumatoid arthritis and the levels of IL-6, IL-10 and TNF- in peripheral blood
Shengnan WANG ; Ping CHEN ; Suxian LIN ; Jianchang JIANG ; Yang LU ; Zhiyong ZHANG ; Xiaochun ZHU
Chinese Journal of Biochemical Pharmaceutics 2017;37(9):202-204
Objective To investigate the effects of tripterygium glycosides combined with methotrexate in treatment of rheumatoid arthritis (RA) curative effect and peripheral blood of patients with IL-6, effects of IL-10 and TNF- alpha. Methods 80 patients with RA from February 2014 to August 2016 in our hospital were retrospectively analyzed. According to the different treatment methods by for the observation group, the control group (40 cases). To compare and analyze the curative effect before and after short-term treatment and treatment of patients in the 2 groups were the main clinical symptoms and signs of change and ESR, RF, CRP, IL-6, TNF- alpha, IL-10 index. Results The total effective rate of observation group (92.50%) was significantly higher than the control group (77.50%), the difference was statistically significant (P<0.05), 2 groups of patients before treatment of main clinical symptoms and signs, there was no significant difference, after treatment, clinical symptoms and signs of 2 groups of patients were compared with those before treatment was statistically significant to alleviate the differences (P<0.05), and the observation group of main clinical symptoms and signs were lower than the control group and the remission (down), the difference was statistically significant (P<0.05).Before ESR, the treatment of 2 patients with RF, CRP, TNF- IL-6, alpha, IL-10 index level, no statistical significance, the 2 groups after treatment in patients with ESR, RF, CRP, IL-6, TNF- alpha, IL-10 index level than before treatment with significant difference (P<0.05), and the observation group ESR, RF, CRP, TNF- alpha, IL-6 average index of water compared with the control group decreased significantly, IL-10 index increased significantly than the control group. The difference was statistically significant (P<0.05). Conclusion Tripterygium glycosides combined with methotrexate in treatment of rheumatoid arthritis And it can effectively inhibit the expression of peripheral serum L-6 and TNF- alpha, promote the expression of IL-10 and alleviate the inflammatory reaction