Abstract:
PURPOSE:The mitogen-activated protein kinase phosphatases (MKPs) are a family of dual-specificity phosphatases that inactivate MAPKs by dephosphorylation. Impairment of MKP-1 expression in insulin resistance has been suggested to affect the cardioprotective properties of insulin. We hypothesized that manipulation of its activity during myocardial ischaemia/reperfusion of control as well as insulin-resistant rats may affect the outcome. METHODS:Hearts from 16 week dietary induced obese Wistar rats and their age matched controls were isolated, perfused in the working mode and subjected to 15 min global ischaemia / 30 min reperfusion or 35 min coronary artery ligation/ 60 min reperfusion. Hearts received insulin (1mIU/ml), a MKP-1 inhibitor (sanguinarine 2.5uM), or insulin + sanguinarine for 15 min pre- and 10 min post-ischaemia. Endpoints were functional recovery and infarct size. Hearts from control and experimental groups were freeze-clamped either immediately after removal from the animal (baseline) or at 10 min reperfusion after global ischaemia and Western blot analysis done for total and phosphorylated MKP-1. RESULTS:Insulin treatment significantly increased total work recovery while sanguinarine abolished the insulin-mediated protection. Insulin had no effect on infarct size while sanguinarine reduced infarct size. Insulin increased while sanguinarine attenuated phosphorylation of MKP-1 at 10 min reperfusion. CONCLUSION:Inhibition of MKP-1 with sanguinarine abolished the insulin-induced improvement in functional recovery, but reduced infarct size. Although the data suggest a role for this phosphatase in insulin-induced cardioprotection, the multiple downstream effects of insulin hamper interpretation of the data obtained. In addition, the effects of sanguinarine per se in myocardial ischaemia/reperfusion need to be further elucidated.
journal_name
Cardiovasc Drugs Therjournal_title
Cardiovascular drugs and therapyauthors
Webster I,Smith A,Lochner A,Huisamen Bdoi
10.1007/s10557-017-6731-4subject
Has Abstractpub_date
2017-06-01 00:00:00pages
247-254issue
3eissn
0920-3206issn
1573-7241pii
10.1007/s10557-017-6731-4journal_volume
31pub_type
杂志文章abstract::Ouabain, when applied to rings of the left circumflex coronary artery of the dog (which contains both alpha 1-adrenoceptors leading to contraction and beta 1-adrenoceptors leading to relaxation) caused an initial contraction which peaked within 15 minutes and a later secondary increase in tension which peaked within 6...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF00051242
更新日期:1988-07-01 00:00:00
abstract::Ranolazine, an inhibitor of the late current of the cardiac action potential (late I(Na)), is a well established clinical treatment for chronic angina. The late INa in cardiac myocytes also plays an important role in the pathophysiology of acute myocardial ischemia and reperfusion, and thus is a potential therapeutic ...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-014-6548-3
更新日期:2014-10-01 00:00:00
abstract::The present study was performed in order to compare the efficacy, safety, and tolerability of lisinopril, a long-acting angiotensin-converting enzyme (ACE) inhibitor, with captopril, the shorter acting ACE inhibitor available, in the treatment of elderly patients (mean age 70 +/- 0.5 years) with congestive heart failu...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1023/a:1007704024393
更新日期:1997-03-01 00:00:00
abstract::This study compares the electrophysiologic effects of amlodipine and diltiazem in patients with coronary artery disease concomitantly treated with background beta-blocking therapy. Thirty patients were included in an open-label parallel study in two phases. During phase 1, patients were screened and placed on maintena...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/BF00877419
更新日期:1994-08-01 00:00:00
abstract:AIM:To review whether brain natriuretic peptides (BNP) can be used as a surrogate for the traditional methods of assessing functional status in interventional studies of patients with left ventricular systolic dysfunction (LVSD). METHODS AND RESULTS:The traditional methods for assessing functional status including New...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1023/B:CARD.0000033643.93393.46
更新日期:2004-05-01 00:00:00
abstract::Specific antiarrhythmic therapy with class I and III drugs for atrial fibrillation (AF) conversion and prevention of its recurrence is frequently utilized in clinical practice. Besides being only moderate effective, the utilization of antiarrhythmic drugs may be associated with serious side effects. In the clinical se...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-005-5062-z
更新日期:2004-09-01 00:00:00
abstract::Pulmonary arterial hypertension is a rare disease, with drug-induced causes even more uncommon, accounting for only 10% of cases in large registry series. Predisposing factors for drug-induced PAH have not been completely defined. This review summarizes drugs with definite, possible, or likely association to pulmonary...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-019-06920-x
更新日期:2019-12-01 00:00:00
abstract::When choosing antihypertensive agents for the treatment of hypertension, it is necessary to consider the predisposition of individuals to renal damage, which may be associated with the long-term effect of such agents. In this respect, this study examined the effect of two commonly used antihypertensive drugs (Brinerdi...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF00879029
更新日期:1995-06-01 00:00:00
abstract:PURPOSE:Morphine has been used for several decades in cases of acute pulmonary edema (APE) due to the anxiolytic and vasodilatory properties of the drug. The non-specific depression of the central nervous system is probably the most significant factor for the changes in hemodynamics in APE. Retrospective studies have s...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1007/s10557-017-6722-5
更新日期:2017-04-01 00:00:00
abstract::A survey of the pharmacokinetic properties of the three prototypical calcium antagonist agents shows that they have in common a very high rate of hepatic first-pass metabolism with, in the case of verapamil and diltiazem, the formation of an active metabolite that affects the dose during chronic therapy. Therefore, th...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF01865507
更新日期:1989-08-01 00:00:00
abstract:AIMS:We evaluated a generic quality of life (QoL) Functional Status Questionnaire (FSQ), in patients with chronic heart failure (CHF). The FSQ assesses the 3 main dimensions of QoL: physical functioning, mental health and social role. It also includes 6 single item questions about: work status, frequency of social inte...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,随机对照试验
doi:10.1007/s10557-011-6284-x
更新日期:2011-02-01 00:00:00
abstract::Cardiac reperfusion injury after heart transplantation or cardiopulmonary bypass has been difficult to control due to the variable degree of myocardial damage with respect to the length of ischemia and the complexity of the surgical procedure. Here, we evaluated the myocardial metabolic and functional recovery of hear...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF03029747
更新日期:1991-08-01 00:00:00
abstract::Resistance arteries depolarize and constrict to elevations in intravascular pressure. However, many of the molecular aspects of this phenomenon are not known. We present evidence that large conductance calcium-dependent potassium (KCa) channels, which are activated by intracellular calcium and membrane depolarization,...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF00877627
更新日期:1993-08-01 00:00:00
abstract:PURPOSE:To investigate the protective effects of hydrogen sulfide (H(2)S) against chronic alcohol intake-induced left ventricular remodeling and explore the potential mechanisms involved. METHODS:Rats were randomly divided into 4 groups: alcohol group, NaHS group, alcohol + NaHS group, and control group. The echocardi...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-013-6441-5
更新日期:2013-06-01 00:00:00
abstract:PURPOSE:The ischemic/bleeding trade-off of continuing dual antiplatelet therapy (DAPT) beyond 1 year after PCI for patients with high thrombotic risk (HTR) as endorsed by 2018 ESC/EACTS myocardial revascularization guidelines remain unknown. METHODS:Patients undergoing coronary stenting between January 2013 and Decemb...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-020-07030-9
更新日期:2020-10-01 00:00:00
abstract::A succession of theories arising from last century has attempted to explain why patients with damaged hearts develop peripheral edema. Opposed to the original simple concepts of backward failure, a number of theories of forward failure have been proposed, the cardiac output being considered inadequate for capillary pe...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF00877921
更新日期:1994-06-01 00:00:00
abstract::The effects of orally administered captopril, enalapril and lisinopril on plasma concentrations of angiotensin converting enzyme (ACE), angiotensin II (ANGII) and renin (PRC) were studied over a period of 6 hours in 6 normal subjects. A further 4 subjects received intravenous enalapril and enalaprilic acid (enalaprila...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF02125832
更新日期:1987-01-01 00:00:00
abstract::The antihypertensive effects of once-daily administration of celiprolol 400 mg were compared with those of once-daily enalapril 20 mg in 20 mild to moderate essential hypertensives in a single-blind study in which the subjects were randomized to 2 weeks' treatment with either drug, preceded by 2 weeks of placebo admin...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/BF00051236
更新日期:1988-07-01 00:00:00
abstract::Cardiovascular diseases are of fundamental importance in the cause of death and morbidity in the elderly as a group. If the successful management of blood pressure can effect a reduction in morbid events as well as death, as has been indicated by recent trials, the elderly have more to gain than any other group within...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF00114231
更新日期:1991-01-01 00:00:00
abstract::The purpose of the present study was to test whether the administration of a vascular-selective organic calcium antagonist (nisoldipine) at the onset of early mechanical reperfusion (by coronary angioplasty) in acute myocardial infarction could prevent or attenuate postischemic stunning and enhance the recovery of lef...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1023/a:1007713118941
更新日期:1997-03-01 00:00:00
abstract::Eighteen hypertensive patients (13 males, 5 females; age 48 +/- 13; diastolic blood pressure greater than 95 mmHg), either previously untreated or who had been off treatment for more than 3 months, underwent M-mode echocardiography before (DO) and after (D90) 3 months of nicardipine therapy (60-90 mg/day). All echocar...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章
doi:10.1007/BF01865511
更新日期:1989-08-01 00:00:00
abstract:PURPOSE:Although the role of angiotensin-converting enzyme (ACE) inhibitors for the treatment of hypertension has been well established, no data has been generated regarding the influence of ACE inhibitors for health-related quality-of-life (QOL) dimensions for Chinese patients. MATERIALS:A double-blind, active-contro...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1023/a:1020648405680
更新日期:2002-05-01 00:00:00
abstract::The majority of calcium antagonists used clinically belong to three distinct chemical classes: the phenylalkylamines, the dihydropyridines, and the benzothiazepines. In recent years their mode of action has been unravelled, their limitations recognized, and their efficacy and use in the management of patients with a b...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF00877225
更新日期:1994-08-01 00:00:00
abstract::In both epidemiologic and genetic studies, increased levels of Lp(a) have been associated with increased risk for cardiovascular diseases as well as aortic stenosis. However, until recently, it has been difficult to lower levels of Lp(a). Diet and lifestyle have little effect on plasma levels of Lp(a) which are mainly...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-016-6654-5
更新日期:2016-02-01 00:00:00
abstract::Male Japanese white rabbits were fed a restricted amount (100 g/head/day) of an atherogenic diet containing 0.2% cholesterol and 6% peanut oil during an 8-week experimental period. Atherosclerotic lesions, characterized by intimal thickening with lipid deposition, were produced by de-endothelialization of the rabbit a...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF00878516
更新日期:1993-04-01 00:00:00
abstract::An 82-year old man was admitted with acute pulmonary edema. Myocardial ischemia and electrolyte abnormalities were excluded and he responded promptly to frusemide, nitrates and morphine. On admission, the duration of the QRS interval was markedly abnormal at 240 ms with a nonspecific intraventricular conduction defect...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1027384731525
更新日期:2003-07-01 00:00:00
abstract::Piperanometozine (OPC-8212) is a new, orally effective inotropic agent. To evaluate the efficacy of this agent on systemic hemodynamics and clinical symptoms in patients with congestive heart failure, a multicenter study was performed. Thirty four patients with New York Heart Association (NYHA) functional classes II t...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1007/BF02125470
更新日期:1987-08-01 00:00:00
abstract:PURPOSE:For patients with heart failure with reduced ejection fraction (HFrEF), guidelines recommend use of beta-blockers with gradual up-titration. However, many patients with HFrEF do not use beta-blockers and up-titration is rare. Our purpose was to identify and rank barriers to beta-blocker use and up-titration fro...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-017-6764-8
更新日期:2017-12-01 00:00:00
abstract:PURPOSE:To compare the lifetime cost and effectiveness of five alternative chronic atrial fibrillation (AF) management strategies: rivaroxaban, warfarin, aspirin plus clopidogrel, aspirin and no prevention. METHODS:An individual-level state-transition model was developed to track the lifetime disease course associated...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-013-6490-9
更新日期:2014-02-01 00:00:00
abstract:OBJECTIVE:The natural history of pediatric patients with severely symptomatic neurocardiogenic syncope is poorly defined respect to the likelihood of remission or symptomatic recurrence along time. We undertook this study to investigate the likelihood of clinical relapse, and to assess the effect of prophylactic pharma...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1011179014084
更新日期:2001-03-01 00:00:00