Adult ; Causality ; Death, Sudden ; epidemiology ; Female ; Herbicides ; poisoning ; Humans ; Male ; Middle Aged ; Paraquat ; poisoning ; Retrospective Studies ; Young Adult

Objective To compare effects of irbesartan and captopril on left ventricular function in elderly patients with cardiovascular disease and cardiac functional reserve .Methods 100 cases of elderly patients with car-diovascular disease were chosen ,according to a list of numbers randomly divided into the two groups ,50 cases in each group,a group with irbesartan treatment ,as the irbesartan group and the other group received captopril ,as the capto-pril group compared the two groups of patients left ventricular function and cardiac functional reserve .Results (1) Left ventricular function after the irbesartan group therapy LVDd indicators ,IVSd,LVPWd,LVEF,VE/VA,LVM was significantly better than before treatment ,the difference was statistically significant (t=31.23,18.36,28.12,46.36, 51.13,16.03,all P<0.05),the captopril group before and after treatment was significantly better than the treatment of various indicators,the difference was statistically significant (t=24.53,21.36,31.12,14.33,18.19,16.45,all P<0.05);(2) The irbesartan group of patients after treatment resting heart rate ,exercise heart rate,6min walking distance improved significantly over the treatment of former CCRI and CRI ,the difference was statistically significant (t=39.09,23.77,39.01,23.18,22.45,all P<0.05),after treatment with captopril treatment was significantly better than the indexes,the difference was statistically significant (t=91.21,37.16,26.74,46.33,36.74,all P<0.05),6min walking distance from the irbesartan group therapy ,CRI better than the captopril group ,the difference was statistically significant(t=39.02,42.14,all P<0.05).Conclusion Irbesartan and captopril on improving left ventricular function in elderly patients with cardiovascular disease and cardiac reserve function has a significant effect,irbesartan 6min walking distance test and cardiac reserve indices better .

Aim To investigate the effects of valsartan on activation of signal transducers and activators of transcription 1,3 in glomerular mesangial cells(GMCs) under high concentration of glucose.Methods we used high concentration glucose and valsartan to stimulate the cultured rat GMCs in vitro.The protein expressions of signal transducer and activatior of transcription 1,3(STAT1,STAT3),p-STAT1 and p-STAT3 were observed by Western blot.The protein synthesis of TGF-?_1,fibronectin and type IV collagen in the supernatants of the GMCs were detected by enzyme-linked immunoadsorbent assay(ELISA) and radioimmunoassay.TGF-?_1 mRNA was measured by reverse transcription and polymerase chain reaction(RT-PCR).Results Compared with low glucose control group,the expressions of p-STAT1,p-STAT3 and TGF?_1 mRNA were significantly increased in GMCs under high concentration glucose medium and there observed the high concentration of TGF-?_1,fibronectin and type IV collagen in the supernatants.The expression levels of p-STAT1,p-STAT3 and TGF-?_1 mRNA were significantly lower in the valsartan group than in those the high concentration glucose group.The concentration of TGF-?_1,fibronectin and type IV collagen in the supernatants in the valsartan group were lower than that in the high concentration glucose control group.Conclusion Valsartan can inhibit overproduction of TGF-?_1 and ECM proteins in GMCs under high concentration of glucose,partly by regulating the phosphorylation of STAT1 and STAT3.

AIM: To investigate the effects of proteasome inhibitor Z-LLL-CHO(MG132) on human osteosarcoma cell line MG-63 and its possibly mechanism.METHODS: After treated with different concentration of MG132,the morphological change,ultrastructral morphology,cell viability,cell apoptosis,gene transcription and protein expression in MG-63 cells were accessed by fluorescence microscope,electron microscope,MTT assay,agrose gel electrophoresis,FCM,RT-PCR and Western blotting.RESULTS: Proteasome inhibitor MG132 was an effective inducer of apoptosis in human osteosarcoma MG-63 cells.Not only apoptotic changes,but also cell arrest at G2-M-phase,the accumulation of p27kip1,the accumulation of activated caspase-8 and increased ratio of Bax∶Bcl-2 were observed.However,to normal human diploid fibroblast cells,MG132 did not show apoptosis-inducing effect.CONCLUSION: Apoptosis induced by MG132 may be caspase-8,p27kip1and bcl-2-related.

Pneumoconiosis

ObjectiveTo study the clinical features of stercoral bowel obstruction and perforation of colon in elderly patients MethodsThe data of 22 cases of stercoral bowel obstruction and 6 cases of stercoral perforation of colon in elderly patients in our hosital from January 1994 to December 2003 were analyzed retrospectively ResultsIn the 22 cases with stercoral bowel obstruction, 6 cases were recovered after operation, 6 cases suffered from stercoral perforation in which all cases were misdiagnosed before operation,and 2 cases were dead.ConclusionsThe prevalence of stercoral bowel obstruction and perforation of colon in elderly patients are increasing with population being aged. The cases without perforation are often recovered by non-operative therapy. The perforation case of stercoral bowel obstruction is relatively rare, easy to be misdiagnosed, and in high mortality. The Hartmanns ostomy should be the choice for the perforation.

Objective:To combine the detection of serum levels of adenosine deaminase (ADA) and T-cell spot test (T-spot.TB),and to explore their significances in diagnosis of pulmonary tuberculosis.Methods:159 patients suspected with pulmonary tuberculosis were selected and divided into pulmonary tuberculosis group and non-tuberculosis group (n=68);80 healthy people were randonly selected as healthy control group.The serum ADA levels and number of T-spot of the subjects in three groups were detected.Ther serum ADA levels and the positive rates of T-spot.TB in various groups and their sensitivities and specifities were compared. Results:The serum ADA level of the patients in pulmonary tuberculosis gruop was (22.10±6.60)U·L-1;those in non-tuberculosis group and healthy control group were (16.90±6.35)and (8.70±5.98)U·L-1;the serum ADA level in pulmonary tuberculosis group was significantly higher than those in non-tuberculosis group and heathy control group (P<0.05).The positive rate of serum ADA level in diagnosis of pulmonary tuberculosis was 56% and the T-spot.TB positive rate in diagnosis of pulmonary tuberculosis was 87.9%. Combined use of parallel test, the detection sensitivity was 91.2%;using the series of joint tests,the specificity was 94.6%.Conclusion:Combined detection of serum level of ADA and T-spot.TB can significantly improve the clinical diagnosis efficacy of pulmonary tuberculosis.

Objective To investigate the inhibitory effects of CIK on the proliferation of Lewis lung carcinoma cell line and the growth of transplanted Lewis lung carcinoma in C57BL/6N mice in vivo.Methods CIK cells were induced by culturing PBMC with regular method.The proliferation of Lewis lung carcinoma cells was measured by MTT assay.Uhramicrostrueture of Lewis lung carcinoma cells was observed under a transmission electron microscope.Flowcytometric analysis was used to detect cell apoptosis.Ultrastructural observation expressions of FasL were individually determined by MTT and immunocytochemistry(ICC) analysis.Results Electron microscopic observations sbowed that CIK cells could induce the hepatoma cells to apoptosis.Flow cytometric analysis demonstrated that apoptosis cells of Lewis lung carcinoma were increased in CIK group compared with those in the control group.FasL expression on CIK increased.Cytotoxieity was blocked after addition of anti-FasmAb.Conclusion CIK has inhibitory effect on Lewis lung carcinoma cells both in vitro and in vivo.CIK cells can induce the apoptosis of Lewis lung carcinoraa cells.and Fas/FasL pathway plays an important role in apoptosis of Lewis lung carcinoma cells by CIK.

To study the pharmacokinetic effect of different combined administration with monarch drug Ziziphi Spinosae Semen on its main components in rats. Sprague-Dawley (SD) rats were randomly divided into Ziziphi Spinosae Semen group, Ziziphi Spinosae Semen-Fructus Schisandrae Chinensis group, Ziziphi spinosae Semen-Salviae Miltiorrhize Radix et Rhizoma group and Zaoren Ansheng prescription group. After oral administration, HPLC was eluted with the mobile phase of acetonitrle-0.03% phosphate acid water in a gradient mode. The detection wavelength was 280 nm. The pharmacokinetic parameters of spinosin and ferulic acid were calculated by DAS 2. 0 software. Compared with Ziziphi Spinosae Semen group, Ziziphi Spinosae Semen-Fructus Schisandrae Chinensis group, Ziziphi Spinosae Semen-Salviae miltiorrhizae Radix et Rhizoma group showed a lower maximum plasma concentration (C(max)) and area under curve (AUC(0-t)) for spinosin and ferulic acid but higher clearance speed (CL/F); whereas the Zaoren Ansheng prescription group showed higher maximum plasma concentration (C(max)) and area under curve (AUC(0-t)) for spinosin and ferulic acid but lower clearance speed (CL/F). Compared with Ziziphi Spinosae Semen group, prescription group showed slower metabolism of spinosin and ferulic
Animals ; Chromatography, High Pressure Liquid ; Coumaric Acids ; administration & dosage ; blood ; pharmacokinetics ; Drug Interactions ; Drugs, Chinese Herbal ; administration & dosage ; analysis ; pharmacokinetics ; Female ; Flavonoids ; administration & dosage ; blood ; pharmacokinetics ; Humans ; Male ; Rats ; Rats, Sprague-Dawley ; Ziziphus ; chemistry

This study is to determine the content of three alkaloids and establish the HPLC fingerprint of "Jianlian" Nelumbinis Plumula. The HPLC method of content determination was as follows: Thermo C18 (4. 6 mm x 250 mm, 5 μm) was conducted with acetonitrile-sodium dodecyl sulfonate solution-acetic acid (56: 43: 1) at a flow rate of 1.0 mL x min(-1). The monitoring wavelength was set at 282 nm and the column temperature was 35 degrees C. The method of HPLC fingerprint was as follows: Agilent ZORBAX SB-Aq C18 (4.6 mm x 250 mm, 5 μm) was conducted with gradient elution of methanol and water at a flow rate of 0.8 mL x min(-1), the monitoring wavelength was set at 282 nm and the column temperature was 35 degrees C. Similarities evaluation and hierarchical clustering analysis were applied to demonstrate the variability of 12 batches of "Jianlian" Nelumbinis Plumula samples. The results demonstrated that 11 batches showed good similarity on chemical constituents. The method could well display the chemical information of "Jianlian" Nelumbinis Plumula. It was simple, reliable and could be used for the chemical quality control of "Jianlian" Nelumbinis Plumula.
Alkaloids ; analysis ; Chromatography, High Pressure Liquid ; methods ; Drugs, Chinese Herbal ; analysis ; Nelumbo ; chemistry ; Quality Control ; Seeds ; chemistry