Abstract:
PURPOSE:Oxidative stress plays an important role in the pathogenesis of cardiovascular diseases. Azelnidipine is a novel dihydropyridine calcium channel blocker. Several studies have demonstrated that some dihydropyridine calcium channel blockers have antioxidant effects. We evaluated the antioxidant effects of azelnidipine compared to another dihyropyridine calcium channel blocker, nifedipine, in neonatal rat cardiomyocytes. MATERIALS AND METHODS:We examined effects of azelnidipine and nifedipine on the H(2)O(2)-induced mitogen-activated protein kinase (MAPK) activity and cell death in neonatal rat cardiomyocytes. RESULTS:Extracellular signal-regulated protein kinases (ERK), p38 MAPK and c-Jun NH(2)-terminal kinases (JNK) were activated by H(2)O(2) stimulation. Azelnidipine and nifedipine did not affect the H(2)O(2)-induced activation of ERK and p38 MAPK. In contrast, azelnidipine, but not nifedipine, inhibited the H(2)O(2)-induced JNK activation. The numbers of viable cell were significantly decreased by H(2)O(2) treatments (65.8 +/- 4.11% of control, P < 0.0001). Azelnidipine, but not nifedipine, inhibited the H(2)O(2)-induced cell death (azelnidipine: 76.0 +/- 4.66% of control, P < 0.05; nifedipine: 70.7 +/- 4.01% of control, P = 0.32). CONCLUSION:Azelnidipine inhibited the H(2)O(2)-induced JNK activation and cardiac cell death. Azelnidipine may have cardioprotective effects against oxidative stress.
journal_name
Cardiovasc Drugs Therjournal_title
Cardiovascular drugs and therapyauthors
Koyama Y,Takeishi Y,Takahashi H,Shishido T,Arimoto T,Niizeki T,Harada M,Suzuki S,Kitahara T,Sasaki T,Kubota Idoi
10.1007/s10557-007-6008-4subject
Has Abstractpub_date
2007-02-01 00:00:00pages
69-72issue
1eissn
0920-3206issn
1573-7241journal_volume
21pub_type
杂志文章abstract:PURPOSE:The melatonin receptor (MT) agonist ramelteon has a higher affinity to MT1 than for MT2 receptors and induces cardioprotection by involvement of mitochondrial potassium channels. Activation of mitochondrial potassium channels leads to release of free radicals. We investigated whether (1) ramelteon-induced cardi...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-020-06972-4
更新日期:2020-06-01 00:00:00
abstract::Recent studies have questioned the safety of calcium antagonists in general, and short-acting dihydropyridine derivatives in particular. Reasons include excessive catecholamine stimulation after stress. We therefore wanted to assess whether amlodipine, a second generation dihydropyridine with a prolonged plasma half-l...
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:1007875603969
更新日期:1999-11-01 00:00:00
abstract::We studied the acute and chronic effects of propionyl-L-carnitine (PLC) on mechanical function of isolated rabbit heart. Propionyl-L-carnitine was either directly delivered in the perfusate (10(-9) to 10(-3) M) or intraperitoneally injected (250 mg/kg) for 10 days to the animals. When added acutely, propionyl-L-carnit...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF00128239
更新日期:1991-02-01 00:00:00
abstract::In two separate, double-blind, multicenter antiarrhythmic studies, sotalol was compared with propranolol or quinidine using placebo for baseline and/or washout periods. The comparison with quinidine was a crossover study. To be enrolled in these studies, patients were required to have a premature ventricular contracti...
journal_title:Cardiovascular drugs and therapy
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1007/BF00357038
更新日期:1990-06-01 00:00:00
abstract:INTRODUCTION:Atrial dilatation is commonly associated with atrial fibrillation (AF), but the electrophysiological mechanisms and the implications for anti-arrhythmic therapy are poorly understood. In a model of acute stretch-related AF in isolated rabbit hearts, we evaluated the electrophysiological effects of three di...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-007-6001-y
更新日期:2007-02-01 00:00:00
abstract::Calcium entry blockers exert several characteristic effects on renal function that contribute to their blood-pressure lowering capacity. They are able to dilate renal vasculature and, in certain circumstances, can increase the glomerular filtration rate, both effects being dependent on the preexisting vascular tone. C...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF02018304
更新日期:1990-08-01 00:00:00
abstract::Suppression of formation of angiotensin II (A-II) is thought to be a major contributor to the hemodynamic response to angiotensin-converting enzyme inhibition (ACE-in) therapy. However, angiotensin II (A-II) plasma levels may rebound during ACE-in treatment. The study sought to verify the feasibility, safety, and tole...
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:1007739412802
更新日期:1998-05-01 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::Early reperfusion represents the key strategy in ST elevation myocardial infarction. However, reperfusion may induce myocardial damage due to the reperfusion myocardial injury, compromising the full potential of reperfusion therapy and accounting for unfavourable results in high risk patients. Adenosine seems to atten...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-015-6606-5
更新日期:2015-01-01 00:00:00
abstract:INTRODUCTION:Surrogate markers represent a significant contribution to early diagnosis, longitudinal prognoses, and outcome prediction in cases of hypertension. They often enable detection of disease and disease potential when the disease is still subclinical and are useful noninvasive tools for designing and evaluatin...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-009-6177-4
更新日期:2009-08-01 00:00:00
abstract:PURPOSE:Ranolazine (RAN) added to amiodarone (AMIO) has been shown to accelerate termination of postoperative atrial fibrillation (POAF) following coronary artery bypass surgery in patients without heart failure (HF). This study aimed to investigate if treatment efficacy with AMIO or AMIO + RAN differs between patients...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,随机对照试验
doi:10.1007/s10557-018-6832-8
更新日期:2018-12-01 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::The pyrimidine base, orotic acid (OA), markedly improves the function of recently infarcted hearts subjected to global ischemia. The mechanism of cardiac action of OA is unclear, but it has been proposed that OA acts by correcting a relative deficiency of nucleotide precursors required for RNA synthesis in the stresse...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1007700716866
更新日期:1998-09-01 00:00:00
abstract::Epidemiological studies in the seventies have put forward that dietary rather than genetic factors are responsible for the lower incidence of ischemic heart disease in Greenland Inuit and have generated a large body of both in vitro and in vivo experimental studies, exploring the putative favorable effects of fish (oi...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF00877326
更新日期:1994-04-01 00:00:00
abstract::Amlodipine increases NO levels in coronary vessels and aorta via bradykinin-dependent mechanisms in vitro. We have previously reported that a long-acting Ca channel blocker, benidipine, increases cardiac NO levels in ischemic canine hearts, suggesting that benidipine may also protect against ischemia and reperfusion i...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1011964222712
更新日期:2001-01-01 00:00:00
abstract::To evaluate cordiodepressive risks of antiarrhythmic treatment with diprafenone, we monitored, in addition to conventional hemodynamic parameters, end-systolic pressure-volume relations to assess potential negative inotropic effects. Thirteen patients underwent hemodynamic analysis with and without the influence of di...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/BF01883858
更新日期:1989-04-01 00:00:00
abstract:PURPOSE:Platelets are essential for primary hemostasis; however, platelet activation also plays an important proinflammatory role. Inflammation promotes the development of cardiac fibrosis and heart failure induced by hypertension. In this study, we aimed to determine whether inhibiting platelet activation using clopid...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-013-6471-z
更新日期:2013-12-01 00:00:00
abstract::The place of digoxin in the pediatric cardiologist's armamentarium remains uncertain. As an antiarrhythmic, its use in the Wolff-Parkinson-White syndrome is obsolete, but it remains useful in the treatment of the chronic atrial fibrillation seen in some patients postoperatively and in children with dilated cardiomyopa...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/BF01881525
更新日期:1989-03-01 00:00:00
abstract:OBJECTIVES:To evaluate and compare the functional type and the degree of antagonism of the selective angiotensin II type 1 receptor blockers (ARB) losartan, EXP 3174 (the active metabolite of losartan), valsartan and candesartan in human internal mammary arteries. METHODS:Human internal mammary arteries were obtained ...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1021729909456
更新日期:2002-07-01 00:00:00
abstract:AIMS:The primary ain of this study was to investigate the effect of carbachol on ventricular repolarisation in an intact animal heart. METHODS:In five sheep, carbachol was administered to the left circumflex coronary artery (LCX) at 1.0 and 2.5 micromol/ml/min respectively for 3 min. Multiple unipolar ECGs were acquir...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1027324412869
更新日期:2003-07-01 00:00:00
abstract:PURPOSE:Single- and multiple-dose studies were conducted to assess the pharmacokinetics, pharmacodynamics and safety of tolvaptan in healthy Japanese subjects. METHODS:All studies were single-center, randomized, placebo-controlled, single-blind or double-blind. In an ascending single-dose study, subjects were given a ...
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/s10557-011-6299-3
更新日期:2011-12-01 00:00:00
abstract::In animal models, calcium antagonists (Ca-A) administered before ischemia and reperfusion reduced myocardial necrosis, attenuated postischemic contractile dysfunction, and reduced tissue calcium. In 753 patients with acute myocardial infarction (AMI), we examined if use of Ca-A at the onset of symptoms (n = 127 patien...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1023/a:1007727518684
更新日期:1997-09-01 00:00:00
abstract::Glucose-insulin-therapy for acute myocardial infarction (AMI) has had a long history, going back 37 years to the pioneering concepts of Sodi-Pallares. Although a recent meta-analysis of a number of smaller trials has suggested mortality benefit, it is only the South American trial, published in Circulation in 1998, th...
journal_title:Cardiovascular drugs and therapy
pub_type: 评论,社论,评审
doi:10.1023/a:1007757407246
更新日期:1999-05-01 00:00:00
abstract:INTRODUCTION:Several beta blocking drugs (BB) reduce mortality in systolic heart failure (LVSD). We have compared the initial response to introduction of carvedilol and bisoprolol during the standard dose titration protocols for each drug. METHODS:Approximately 31 unselected patients with stable LVSD were randomised t...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,随机对照试验
doi:10.1007/s10557-007-6055-x
更新日期:2007-12-01 00:00:00
abstract::The results of the European Working Party for Hypertension in the Elderly Study showed that treatment of high blood pressure reduced the morbidity and mortality from strokes and myocardial infarction and reduced the incidence of heart failure in elderly patients. The largest number of hypertensive patients are elderly...
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/BF00053441
更新日期:1990-01-01 00:00:00
abstract:PURPOSE:Treatment of atherosclerotic rabbits with intravenous methotrexate or etoposide carried in lipid nanoemulsions (LDE) markedly reduced the lesions in the aorta. Here, the combined treatment with LDE-methotrexate and LDE-etoposide was investigated aiming to increase the anti-atherosclerosis effect. METHODS:Thirt...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-014-6566-1
更新日期:2015-02-01 00:00:00
abstract::Levosimendan, a calcium sensitizer and potassium channel-opener, is widely appreciated by many specialist heart failure practitioners for its effects on systemic and pulmonary hemodynamics and for the relief of symptoms of acute heart failure. The drug's impact on mortality in large randomized controlled trials has be...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章,评审
doi:10.1007/s10557-018-6838-2
更新日期:2018-12-01 00:00:00
abstract:PURPOSE:This study tested if the protective anti-remodeling effect of GLP-1 agonist Exendin-4 after an acute myocardial infarction (MI) in rats involves inhibition of the Wnt1/β-catenin signaling pathway. METHODS:Rats were divided into sham, sham + Exendin-4 (10 μg/day, i.p), MI, and MI + Exendin-4. MI was introduced ...
journal_title:Cardiovascular drugs and therapy
pub_type: 杂志文章
doi:10.1007/s10557-020-07006-9
更新日期:2020-05-30 00:00:00
abstract::The clinical efficacy and safety of ibopamine and diuretic therapy were compared in a multicenter, multinational, parallel, positive-controlled, randomized, double-blind, 12-week study, involving 103 patients with mild CHF (NYHA Class II). Body weight, NYHA functional class, symptom assessment scores, laboratory blood...
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:10.1007/BF01869579
更新日期:1989-12-01 00:00:00
abstract::The purpose of this study was to evaluate the effect of trimetazidine on late potentials in patients with acute myocardial infarction. A total of 60 patients (52 males, mean age 55 +/- 2 years, and 8 females, mean age 54 +/- 1.8 years) with the diagnosis of acute myocardial infarction were included in this study. The ...
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:1007740311072
更新日期:1999-04-01 00:00:00