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https://www.readbyqxmd.com/read/29438704/nicorandil-inhibits-mechanical-allodynia-induced-by-paclitaxel-by-activating-opioidergic-and-serotonergic-mechanisms
#1
Marcela I Morais, Felipe F Rodrigues, Sarah O A M Costa, Franciele A Goulart, Fábio C Costa, Ivo S F Melo, Paulo S A Augusto, Marcela M G B Dutra, Ângelo de Fátima, Márcio M Coelho, Renes R Machado
Recently, we demonstrated that nicorandil exhibits activities in models of inflammatory and nociceptive pain. In the present study, we extended this investigation by evaluating the effects of nicorandil in models of neuropathic pain induced by paclitaxel or nerve injury in mice. Four intraperitoneal (i.p.) injections of paclitaxel (2mg/kg.day, cumulative dose 8mg/kg) or chronic constriction injury (CCI) of the sciatic nerve induced a long lasting mechanical allodynia. Per os (p.o.) administration of two doses of nicorandil (50, 100 and 150mg/kg) on the 14 th day after the first paclitaxel injection attenuated the mechanical allodynia...
February 10, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29420355/inotropic-effects-of-nicorandil-on-cardiac-contractility-assessed-by-left-ventricular-pressure-volume-relationship-analyses-in-anesthetized-monkeys
#2
Tomomichi Ishizaka, Yu Yoshimatsu, Yu Maeda, Katsuyoshi Chiba, Kazuhiko Mori
Nicorandil is a representative antianginal drug that has dual properties of a nitrate and adenosine triphosphate-sensitive potassium (KATP) channel agonist; however, its effects on integrated cardiac function have not been fully understood. This study was conducted to clarify the functional, hemodynamic, and electrophysiological effects of nicorandil using ventricular pressure-volume loop analysis in isoflurane-anesthetized monkeys. Nicorandil was given intravenously at therapeutic doses of 0.2 and 2 mg/kg over 10 minutes to cynomolgus monkeys (n = 5) with a pause of 10 minutes between the 2 doses...
February 2018: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/29412163/the-protective-effect-of-nicorandil-on-cardiomyocyte-apoptosis-after-coronary-microembolization-by-activating-nrf2-ho-1-signaling-pathway-in-rats
#3
Wenkai He, Qiang Su, Jiabao Liang, Yunhan Sun, Xiantao Wang, Lang Li
BACKGROUND: Myocardial apoptosis is considered to be the chief cause of progressive cardiac dysfunction induced by coronary microembolization (CME), and the Nrf2/HO-1 signaling pathway is involved in CME-induced myocardial apoptosis. Nicorandil (NIC) has multiple beneficial cardiovascular effects on myocardial injury. Therefore, this study was undertaken to analyze the role of NIC pretreatment in the inhibiting myocardial apoptosis after CME in rats. METHODS: Forty rats were divided into Sham group, CME group, CME plus NIC (NIC) group, and CME plus AAV9-Nrf2 (AAV9-Nrf2) group (n = 10 per group)...
February 2, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29394999/pharmacologic-treatment-of-patients-with-myocardial-ischemia-with-no-obstructive-coronary-artery-disease
#4
REVIEW
Ricky D Turgeon, Glen J Pearson, Michelle M Graham
Half of women and 1/3 of men with angina and ischemia on stress testing have ischemia with no obstructive coronary artery disease (INOCA). These patients have quality of life (QoL) impairment comparable with patients with obstructive coronary artery disease. Clinicians generally treat INOCA with traditional antianginal agents despite previous studies demonstrating variable response to these medications. We performed a systematic review to evaluate the efficacy and safety of available pharmacologic therapies for INOCA...
January 10, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29366934/sodium-thiosulfate-mediated-cardioprotection-against-myocardial-ischemia-reperfusion-injury-is-defunct-in-rat-heart-with-co-morbidity-of-vascular-calcification
#5
Sriram Ravindran, Kausthubh Ramachandran, Gino A Kurian
Sodium thiosulfate (STS) has shown promising effects in amelioration of myocardial ischemia-reperfusion injury (IR) in a rat model and is clinically useful in the treatment of chronic kidney disease (CKD) associated calciphylaxis. As the prevalence of cardiac complications is higher in CKD, we tested the effectiveness of STS in a rat model of adenine-induced vascular calcification and subjected the heart to IR. We observed an increased infarct size (29%) by TTC staining, lactate dehydrogenase (54%) and creatine kinase (32%) release in the coronary perfusate and altered hemodynamics compared to a normal rat treated with STS and subjected to IR...
January 20, 2018: Biochimie
https://www.readbyqxmd.com/read/29337196/nicorandil-and-theophylline-can-protect-experimental-rats-against-complete-freund-s-adjuvant-induced-rheumatoid-arthritis-through-modulation-of-jak-stat-rankl-signaling-pathway
#6
Ahmed Gaafar Ahmed Gaafar, Basim Anwar Shehata Messiha, Ahmed Mohamed Labib Abdelkafy
Signaling pathways are interesting fields of study of pathogenesis and treatment trials. We elucidated the possible protective effects of nicorandil (15mg/kg/day) and theophylline (20mg/kg/day) on experimentally-induced RA, focusing on the role of JAK (Janus Kinase) / STAT (Signal Transducer and Activator of Transcription) / RANKL (Receptor Activator of Nuclear factor-Kappa B Ligand) / cytokine signaling pathway. Four sets of experiments were performed. First, effect of test agents on normal animals was evaluated...
January 11, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29320987/effect-of-intracoronary-agents-on-the-no-reflow-phenomenon-during-primary-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction-a-network-meta-analysis
#7
Xiaowei Niu, Jingjing Zhang, Ming Bai, Yu Peng, Shaobo Sun, Zheng Zhang
BACKGROUND: Despite the restoration of epicardial flow after primary percutaneous coronary intervention (PPCI), myocardial reperfusion remains impaired in a significant proportion of patients. We performed a network meta-analysis to assess the effect of 7 intracoronary agents (adenosine, anisodamine, diltiazem, nicorandil, nitroprusside, urapidil, and verapamil) on the no-reflow phenomenon in patients with ST-elevation myocardial infarction (STEMI) undergoing PPCI. METHODS: Database searches were conducted to identify randomized controlled trials (RCTs) comparing the 7 agents with each other or with standard PPCI...
January 10, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29283501/nicorandil-for-the-prevention-of-contrast-induced-nephropathy-a-meta-analysis-of-randomized-controlled-trials
#8
Xiaofen Ma, Xiang Li, Zhanfeng Jiao, Yiming Zhang
INTRODUCTION: Nicorandil has been suggested as a preventative strategy against the incidence of contrast-induced nephropathy (CIN). However, results of relevant randomized controlled trials (RCTs) were inconsistent. AIMS: We performed a meta-analysis of RCTs to evaluate the preventive efficacy of periprocedural treatment of nicorandil against the incidence of CIN. METHODS: Relevant RCTs were identified via search of PubMed, Embase, and Cochrane's Library databases...
December 28, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29249418/impact-of-different-nitrate-therapies-on-long-term-clinical-outcomes-of-patients-with-vasospastic-angina-a-propensity-score-matched-analysis
#9
Chung Hun Kim, Taek Kyu Park, Sung Woo Cho, Min Seok Oh, Da Hyon Lee, Choong Sil Seong, Hye Bin Gwag, A Young Lim, Jeong Hoon Yang, Young Bin Song, Joo-Yong Hahn, Jin-Ho Choi, Sang Hoon Lee, Hyeon-Cheol Gwon, Joonghyun Ahn, K C Carriere, Seung-Hyuk Choi
BACKGROUND: Despite the short-term vasodilatory effects of nitrates, the prognostic effects of long-term nitrate therapy in patients with vasospastic angina (VSA) remains unclear. We investigated the prognostic impact of chronic nitrate therapy in VSA patients. METHODS: Between January 2003 and December 2014, a total of 1154 VSA patients proven by ergonovine provocation tests were classified into nitrate (n=676) and non-nitrate (n=478) groups according to prescriptions for oral nitrates, including isosorbide mononitrate (ISMN) and nicorandil...
February 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29245906/effects-of-nicorandil-on-pi3k-akt-signaling-pathway-and-its-anti-apoptotic-mechanisms-in-coronary-microembolization-in-rats
#10
Qiang Su, Lang Li, Jinmin Zhao, Yuhan Sun, Huafeng Yang
Coronary microembolization (CME) is a common complication of percutaneous coronary intervention (PCI) for acute coronary syndrome. It leads to myocardial apoptosis and cardiac dysfunction. Nicorandil pretreatment can prevent PCI-related myocardial injury and reduce the incidence of no- or slow-reflow phenomena. This cardioprotective effect is probably attributable to the suppression of CME-induced cardiomyocyte apoptosis, but the specific mechanisms have not been clarified. We aimed to investigate the protective effects of nicorandil pretreatment on CME-induced myocardial injury and clarify the underlying mechanisms...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29225191/the-comprehensive-electrophysiological-study-of-curcuminoids-on-delayed-rectifier-k-currents-in-insulin-secreting-cells
#11
Ping-Chung Kuo, Chia-Jung Yang, Yu-Chi Lee, Pei-Chun Chen, Yen-Chin Liu, Sheng-Nan Wu
Curcumin (CUR) has been demonstrated to induce insulin release from pancreatic β-cells; however, how curcuminoids (including demethoxycurcumin (DMC) and bisdemethoxycurcumin (BDMC)) exert any possible effects on membrane ion currents inherently in insulin-secreting cells remains largely unclear. The effects of CUR and other structurally similar curcuminoids on ion currents in rat insulin-secreting (INS-1) insulinoma cells were therefore investigated in this study. The effects of these compounds on ionic currents and membrane potential were studied by patch-clamp technique...
December 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29127009/nicorandil-alleviates-myocardial-injury-and-post-infarction-cardiac-remodeling-by-inhibiting-mst1
#12
Shanjie Wang, Yanhong Fan, Xinyu Feng, Chuang Sun, Zhaofeng Shi, Tian Li, Jianjun Lv, Zhi Yang, Zhijing Zhao, Dongdong Sun
BACKGROUND: Cardiomyocyte autophagy and apoptosis are crucial events underlying the development of cardiac abnormalities and dysfunction after myocardial infarction (MI). A better understanding of the cell signaling pathways involved in cardiac remodeling may support the development of new therapeutic strategies for the treatment of heart failure (HF) after MI. METHODS: A cardiac MI injury model was constructed by ligating the left anterior descending (LAD) coronary artery...
January 1, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29119680/nicorandil-regulates-the-macrophage-skewing-and-ameliorates-myofibroblasts-by-inhibition-of-rhoa-rho-kinase-signalling-in-infarcted-rats
#13
Tsung-Ming Lee, Shinn-Zong Lin, Nen-Chung Chang
We have demonstrated that ATP-sensitive potassium (KATP ) channel agonists attenuated fibrosis; however, the mechanism remained unclear. Since RhoA has been identified as a mediator of cardiac fibrosis, we sought to determine whether the anti-fibrotic effects of KATP channel agonists were mediated via regulating macrophage phenotype and fibroblast differentiation by a RhoA/RhoA-kinase-dependent pathway. Wistar male rats after induction of myocardial infarction were randomized to either vehicle, nicorandil, an antagonist of KATP channel glibenclamide, an antagonist of ROCK fasudil, or a combination of nicorandil and glibenclamide or fasudil and glibenclamide starting 24 hrs after infarction...
November 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29093814/nicorandil-potentiates-sodium-butyrate-induced-preconditioning-of-neurons-and-enhances-their-survival-upon-subsequent-treatment-with-h2o2
#14
Parisa Tabeshmehr, Haider Kh Husnain, Mahin Salmannejad, Mahsa Sani, Seyed Mojtaba Hosseini, Mohammad Hossein Khorraminejad Shirazi
Background: Extensive loss of donor neural stem cell (NSCs) due to ischemic stress and low rate of differentiation at the site of cell graft are two of the major issues that hamper optimal outcome in NSCs transplantation studies. Given that histone deacetylases (HDACs) modulate various cellular processes by deacetylating histones and non-histone proteins, we hypothesized that combined treatment with small molecules, sodium butyrate (NaB; a known HDAC inhibitor) and nicorandil, will enhance the rate neuronal differentiation of NSCs besides their preconditioning to resist oxidative stress...
2017: Translational Neurodegeneration
https://www.readbyqxmd.com/read/29033341/acute-intractable-headache-and-oculomotor-nerve-palsy-associated-with-nicorandil-a-case-report
#15
Seong-Hae Jeong, Hoon Kim
No abstract text is available yet for this article.
October 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28979725/effect-of-nicorandil-on-qt-dispersion-in-patients-with-stable-angina-pectoris-undergoing-elective-angioplasty-a-triple-blind-randomized-placebo-controlled-study
#16
Homa Fal Suleimani, Ali Eshraghi, Mehdi Hasanzadeh Daloee, Sara Hoseini, Nima Nakhaee
BACKGROUND: Nicorandil leads to the relaxation of fine vascular smooth muscle, and thus causes vasodilatation of major epicardial. Also, it has anti-arrhythmic and cardio-protective effects by improving reperfusion, and ultimately leads to a reduction in microvascular damage caused by percutaneous coronary intervention (PCI). OBJECTIVE: The aim of this study was to determine the effect of nicorandil on QT interval dispersion (QTd) in patients with stable angina pectoris during elective angioplasty...
August 2017: Electronic Physician
https://www.readbyqxmd.com/read/28966326/bevacizumab-related-microvascular-angina-and-its-management-with-nicorandil
#17
Manami Katoh, Norihiko Takeda, Takahide Arimoto, Hajime Abe, Katsutoshi Oda, Yutaka Osuga, Tomoyuki Fujii, Issei Komuro
Bevacizumab, an inhibitor of vascular endothelial growth factor (VEGF)-A, is currently used to treat patients with ovarian or colon cancer. While several cardiovascular toxicities related to bevacizumab-containing regimens have been reported, the effect of bevacizumab on the coronary microcirculation has not been fully elucidated. Here we report a case of 54-year-old female patient who developed microvascular angina after a series of bevacizumab-containing chemotherapeutic regimen. The discontinuation of bevacizumab and nicorandil administration was effective in alleviating her chest discomfort and the ischemic changes on her ECG...
October 21, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28966311/nicorandil-attenuates-ischemia-reperfusion-injury-via-inhibition-of-norepinephrine-release-from-cardiac-sympathetic-nerve-terminals
#18
Yasutaka Fukui, Takashi Nozawa, Hiroyuki Ihori, Mitsuo Sobajima, Teruo Nakadate, Akira Matsuki, Makoto Nonomura, Nozomu Fujii, Hiroshi Inoue, Koichiro Kinugawa
A large amount of norepinephrine (NE) released from cardiac sympathetic nerve terminals might accelerate myocardial ischemic injury. Nicorandil (NICO), KATP channel opener, could attenuate cardiac NE release from the sympathetic nerve terminals during ischemia. The present study aimed to investigate the effects of NICO-induced attenuation of cardiac NE release on myocardial ischemia-reperfusion (I/R) injury in rats, by comparison with the effect of cardiac sympathetic denervation on I/R injury.Cardiac interstitial NE (iNE) concentrations were determined using a microdialysis method...
October 21, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28950711/effect-of-nicorandil-administration-on-preventing-contrast-induced-nephropathy-a-meta-analysis
#19
Biming Zhan, Xiao Huang, Long Jiang, Huihui Bao, XiaoShu Cheng
Several studies have investigated the effect of nicorandil on contrast-induced nephropathy (CIN) in patients undergoing coronary angiography (CAG) or percutaneous coronary intervention (PCI). However, the final results of these trials are not identical. This meta-analysis evaluated the role of nicorandil administration on CIN prevention. We searched databases to find randomized controlled trial (RCT) comparing nicorandil with hydration versus conventional hydration therapy on preventing CIN. Finally, 5 articles (805 patients) were included in our meta-analysis; the data showed that nicorandil was related to significant reduction in the risk of CIN (risk ratio = 0...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28904293/characteristics-of-electromechanical-window-in-anesthetized-rabbit-models-of-short-qt-and-long-qt-syndromes
#20
Vudhiporn Limprasutr, Nakkawee Saengklub, Pradtana Meedech, Anusak Kijtawornrat, Robert L Hamlin
The current regulatory guidelines recommend the use of QT interval to assess the risk of arrhythmogenic potential of new chemical entities. Recently, the electromechanical window (EMW), the difference in duration between electrical and mechanical systole, has been proposed as markers for drug-induced torsades de pointes (TdP); however, data of EMW in short QT model are not available. This study aimed to characterize the EMW as a marker for drug-induced ventricular arrhythmias in anesthetized rabbit model of long QT syndrome type 2 (LQT2) and short QT syndrome (SQTS) infused with reference compounds known to lengthen or shorten QT intervals...
2017: Journal of Toxicological Sciences
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