Pleiotropic effects of a drug are actions other than that for which the agents were developed.These effects may be desired or undesired,and may be unrelated to their primary mechanism.Statins were designed as a drug for reducing cholesterol,but now pleiotropic effect are found including improvement of endothelial dysfunction,inhancement of eNOS bioavailability antioxide effect,antiinflammatory properties and reduction of hypertension.Understanding those effects is important for treatment and prevention of cardiovascular disease.

Humans ; Lymphocytes ; cytology ; drug effects ; Micronucleus Tests ; Occupational Exposure ; prevention & control ; Polycyclic Aromatic Hydrocarbons ; toxicity ; Population Surveillance ; methods

Humans ; Intestinal Diseases ; physiopathology ; Sepsis ; physiopathology

Stroke is characterized by a group of acute cerebral vascular diseases which attack acutely with focal neurological deficits. Residual motor deficits often sojourn after stroke. Cortical stimulation, which is a technique developed many decades ago, has recently re-emerged as a promising method for researchers in their quest to causally probe cortical representations of sensorimotor and cognitive functions and to facilitate the treatment of various neuropsychiatric disorders. The article summarizes the research progress of cortical stimulation in the promotion of motor function recovery after stroke, the method of operation, the possible mechanisms and the prospect.

ObjectiveTo summarize the recent therapeutic effects of mesh-plug tension-free hernioplasty in elderly inguinal hernia. MethodsAll cases were performed with mesh-plug case-hardened products, which are manufactured by American Bard Company. ResultsAll the operative procedures were performed smoothly. Postoperative complications were:6 cases of urinary retention,4 scrotal hydroceles,2 persistent wound pain,2 local lightly projections with foreign body sensation,2 hypoincisional haematoma. 1～24 months of follow-up were taken,2 recent recurrences were reported. ConclusionMesh-plug tension-free hernioplasty is a perfect surgical operation. Its main characteristics are:simple performance, less trauma, tension-free, time-saving, good recent therapeutic effect, and fewer recent recurrence. It is especially suitable to the elderly patients and/or Patients with other diseases.

AIM To examine the role of Cl - channels in endothelin 1 (ET 1) induced proliferation of vascular smooth muscle cells (VSMCs). METHODS Through cell counting and 3H TdR incorporation, together with [Ca 2+ ] i measurement by fura 2/AM fluorescence, we studied the effects of Cl - channel blockers on proliferation of VSMCs induced by ET 1. RESULTS Cl - channel blocker, DIDS, inhibited 10 nmol?L -1 ET 1 induced proliferation of VSMCs in a concentration dependent manner, however,other Cl - channel blockers such as IAA 94, NPPB, SITS, DPC and furosemide, all failed to inhibit ET 1 induced proliferation of VSMCs. DIDS reduced 10 nmol?L -1 ET 1-induced sustained [Ca 2+ ] i elevation but not Ca 2+ release from internal stores; Pretreatment of cells with 1 ?mol?L -1 nifedipine abolished the inhibitory effect of 3 ?mol?L -1 DIDS on proliferation of VSMCs and [Ca 2+ ] i elevation evoked by 10 nmol?L -1 ET 1 , while after cells were pretreated with 10 ?mol?L -1 SK&F96365, the same concentration of DIDS could also inhibit the aforecited effects of ET 1;3 ?mol?L -1 DIDS had no effect on 30 mmol?L -1 KCl induced elevation of [Ca 2+ ] i. CONCLUSION DIDS inhibited Ca 2+ influx and VSMCs proliferation induced by ET 1 through blockade of DIDS sensitive Cl - channels, and these channels may play important roles in modulating Ca 2+ influx and VSMCs proliferation induced by ET 1.

AIM To investigate the feasibility of bacterial endotoxins test for cisplatin injection. METHODS Gel clot and kinetic turbidimetric limulus tests were applied. RESULTS After diluted to 0 14 g?L -1 ,six batches of cisplatin injection didn't interfere with the test for bacterial endotoxins, others except three also didn't interfere with the test at the concentration of 0 28 g?L -1 ; The content of bacterial endotoxins in all samples tested was not more than 1 8 ZU?g -1 . CONCLUSION The kinetic turbidimetric limulus test provides a new way to detect the content of endotoxins in cisplatin injection, samples can be diluted to 0 14 g?L -1 to refute their interfering effects on routine bacterial endotoxins test.

Objective To study the changes of cytokine activation in patients with chronic congestive haert failure(CHF) as indicated by plasma levels of C-reactive protein(CRP)and its relation to adrenomedullin(ADM) and endthelin-1(ET-1).Methods The plasma levels of CRP,ADM and ET-1 of 60 decompensated haert failure(DHF) patients group and 30 essential hypertension patients with compensated cardiac function(CCF) group were tested. CRP was determined by immunoturbidometry,ET-1 and ADM were determined by radioimmunoassay.Results The plasma levels of ET-1 ,ADM and CRP of decompensated heart failure group were significantly higher than the compensated cardiac function group;In the decompensated heart failure group,the plasma levels of CRP and ADM were elevated according to worsening of heart failure(NYHA classification) ;In the decompensated heart failure group,the plasma levels of CRP were positively correlated with ADM(r=0.57).Conclusion There is extensive activation of cytokines,ADM and ET-1 in patients with chronic congestive heart failure.Cytokine activation might play a role in the synthesis of ADM,thus contribute to the hum oral regulation of heart failure,but may not be re- sponsible for the activation of ET-1.

Objective To study the antifatigue effect of sea cucumber exstract.Methods According to the experimental methods of animal antifatigue, three doses of sea cucumber extract were applied to mice and their antifatigue effects were compared statistically.Result 300 mg?kg -1 ?d -1 sea cucumber extract could significantly prolong pole climbing time in mice, increase the reserves of liver glycogen and the content of blood glucose, decrease the contents of blood urea nitrogen (BUN) and blood lactic acid after strenuous exercise. Conclusion The preliminary study showed that the sea cucumber exstract has some antifatigue effects.

Objective:To investigate the role of monocyte chemoattractant protein-1 in the progress that isometric exercise training improves arteriogenesis.Method:Twenty-four male Sprague-Dawley rats were used,weighing (200±20)g.The rats were randomized into control group (CG),myocardial ischemia group (MI),exercise training group (ET),MCP-1 inhibitor group (LG).There were 6 rats in each group.Rats were continuously administered 10mg/kg subcutaneously isoproterenol for successive 2 weeks to establish the myocardial ischemia model.Successfully modeled rats were in groups MI,ET and LG.Isometric exercise training were performed in group ET and LG.The rats in group LG were given MCP-1 inhibitor leflunomide by gavage.After 8 weeks of training,the left ventricular myocardium was extracted and relative collateral blood flow (RCBF) was measured by microspheres.Artery density (AD) and monocytes were measured by immunohistochemistry analysis.Western blot analysis and real-time quantitative PCR were performed to assay protein and mRNA of MCP-1.Result:RCBF and AD increased significantly in group ET as compared to the rest groups.RCBF and AD in group LG showed higher than that in group MI but not significant.The number of monocytes,MCP-1 mRNA and MCP-1 expression were significantly elevated in ischemic myocardium of group ET.Interestingly,the number of monocytes,MCP-1 mRNA and MCP-1 expression showed lower than that in group MI but also not significant.Conclusion:Eight weeks of isometric exercise training can increase the expression of MCP-1 in ischemic myocardium and promote the arteriogenesis.