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https://www.readbyqxmd.com/read/29131079/are-inflammatory-cytokines-associated-with-pain-during-acute-myocardial-infarction
#1
Laurin Imholz, Rebecca E Meister-Langraf, Mary Princip, Michaela Fux, Ulrich Schnyder, Jürgen Barth, Hansjörg Znoj, Jean-Paul Schmid, Roland von Känel
OBJECTIVE: Pain and inflammation during acute myocardial infarction (AMI) have been associated with the development of posttraumatic stress disorder and may also impact negatively on somatic outcome. We investigated the relationship between pain during AMI and levels of circulating proinflammatory (tumor necrosis factor [TNF]-α, interleukin [IL]-6) and anti-inflammatory (IL-33 and tissue growth factor [TGF]-β1) cytokines. METHODS: Data were collected as part of the Myocardial Infarction - Stress Prevention Intervention (MI-SPRINT) study...
November 4, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29115615/effects-of-dabigatran-regulates-no%C3%A2-reflow-phenomenon-in-acute-myocardial-infarction-mice-through-anti%C3%A2-inflammatory-and-anti%C3%A2-oxidative-activities-and-connective-tissue-growth-factor-expression
#2
Kunqing Song, Yanshan Wang, Jizhang Sheng, Chunmei Ma, Hongmei Li
Pradaxa is a novel oral anticoagulant, which was originally used to prevent thrombosis following joint replacement surgery. The aim of the current study was to investigate the effect dabigatran on acute myocardial infarction through regulating no‑reflow phenomenon and oxidative stress, neutrophil intraplaque infiltration and apoptosis. In the present study, dabigatran significantly inhibited the infarct size, increased arterial pressure and reduced no‑reflow phenomenon in acute myocardial infarction (AMI) vehicle rabbits...
October 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115547/preventive-effect-of-hesperidin-modulates-inflammatory-responses-and-antioxidant-status-following-acute-myocardial-infarction-through-the-expression-of-ppar%C3%A2-%C3%AE-and-bcl%C3%A2-2-in-model-mice
#3
Chunying Meng, Zeheng Guo, Dagang Li, Hanwei Li, Jianbin He, Dingguo Wen, Bin Luo
Hesperetin is the main pharmacological ingredient of fruit of the citrus family, rutaceae. It is a flavanone, which has potent antioxidation and anti‑inflammatory activities. The present study investigated the preventive effect of hesperidin in the modulation of acute myocardial infarction (AMI)‑induced inflammatory responses and antioxidant status in a mouse model. The levels of creatine kinase‑MB, tumor necrosis factor (TNF‑α), interleukin (IL)‑1β, IL‑6, monocyte chemoattractant protein 1 (MCP‑1), intercellular adhesion molecule 1 (ICAM‑1), malondialdehyde (MDA), catalase (CAT), superoxide dismutase (SOD) and caspase‑3/9 were measured using ELISA kits...
November 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29101167/transient-denervation-of-viable-myocardium-after-myocardial-infarction-does-not-alter-arrhythmia-susceptibility
#4
Diana C Parrish, Samantha D Francis Stuart, Antoinette Olivas, Lianguo Wang, Anders Nykjaer, Crystal May Ripplinger, Beth Ann Habecker
Cardiac sympathetic nerves stimulate heart rate and force of contraction. Myocardial infarction (MI) leads to the loss of sympathetic nerves within the heart, and clinical studies indicate that sympathetic denervation is a risk factor for arrhythmias and cardiac arrest. Two distinct types of denervation have been identified in the mouse heart after MI caused by ischemia-reperfusion: transient denervation of peri-infarct myocardium, and sustained denervation of the infarct. Sustained denervation is linked to increased arrhythmia risk, but it is not known if acute nerve loss in peri-infarct myocardium also contributes to arrhythmia risk...
November 3, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29069583/shrna-interference-of-nlrp3-inflammasome-alleviate-ischemia-reperfusion-induced-myocardial-damage-through-autophagy-activation
#5
Zhu Meng, Mei-Yan Song, Chuan-Fang Li, Jia-Qi Zhao
Myocardial ischemia-reperfusion (I/R) injury always occur during the recovery of myocardial blood supply with high morbidity and mortality. Although, various therapeutic schedules were applied in clinic, there are real problems that have to be resolved on curative effect. Nod-like receptor protein 3 (NLRP3) inflammasome has moderation effects on cellular damage and inflammatory reaction after I/R injury. Our research aims to investigate a more effective approach to restrain the activation of NLRP3 inflammasome in treating myocardial I/R injury...
October 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29065787/preconditioning-potential-of-purmorphamine-a-hedgehog-activator-against-ischaemic-reperfusion-injury-in-ovariectomised-rat-heart
#6
Shweta Sharma, Avileen Kaur, Saurabh Sharma
OBJECTIVE: The present study was been designed to investigate the role and pharmacological potential of hedgehog in oestrogen-deficient rat heart. METHODS: Oestrogen deficiency was produced in female Wistar rats by the surgical removal of both ovaries and these animals were used four weeks later. Isolated rat heart was subjected to 30 min ischaemia followed by 120 min of reperfusion (I/R). The heart was subjected to pharmacological preconditioning with the hedgehog agonist purmorphamine (1μM) and GDC-0449, a hedgehog antagonist, in the last episode of reperfusion before I/R...
October 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29065479/psoriasis-and-cardiovascular-comorbidities-focusing-on-severe-vascular-events-cardiovascular-risk-factors-and-implications-for-treatment
#7
REVIEW
Stephen Chu-Sung Hu, Cheng-Che E Lan
Psoriasis is a common and chronic inflammatory disease of the skin. It may impair the physical and psychosocial function of patients and lead to decreased quality of life. Traditionally, psoriasis has been regarded as a disease affecting only the skin and joints. More recently, studies have shown that psoriasis is a systemic inflammatory disorder which can be associated with various comorbidities. In particular, psoriasis is associated with an increased risk of developing severe vascular events such as myocardial infarction and stroke...
October 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29057895/cholinergic-stimulation-improves-oxidative-stress-and-inflammation-in-experimental-myocardial-infarction
#8
Otávio C Bezerra, Cristiane Miranda França, Juraci Aparecida Rocha, Gizele A Neves, Pamella Ramona M Souza, Mariana Teixeira Gomes, Christiane Malfitano, Tatiane C Alba Loleiro, Paulo Magno Dourado, Susana Llesuy, Katia de Angelis, Maria Claudia C Irigoyen, Luis Ulloa, Fernanda M Consolim-Colombo
We previously reported that cholinergic stimulation with pyridostigmine (PY) induces anti-inflammatory cell recruitment soon after myocardial infarction (MI). In this study, we evaluated the anti-inflammatory effects of PY during the proliferative phase of cardiac repair by analyzing the infiltration of macrophages, Treg lymphocytes, oxidative stress and inflammatory cytokines. Wistar rats underwent control sham surgery or ligation of the left coronary artery and were randomly allocated to remain untreated (untreated infarcted group, I) or to receive PY (30 mg·kg(-1)·day(-1)) in the supplied water (infarcted treated group, I + PY)...
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29045207/tofacitinib-for-psoriatic-arthritis-in-patients-with-an-inadequate-response-to-tnf-inhibitors
#9
RANDOMIZED CONTROLLED TRIAL
Dafna Gladman, William Rigby, Valderilio F Azevedo, Frank Behrens, Ricardo Blanco, Andrzej Kaszuba, Elizabeth Kudlacz, Cunshan Wang, Sujatha Menon, Thijs Hendrikx, Keith S Kanik
BACKGROUND: Tofacitinib is an oral Janus kinase inhibitor that is under investigation for the treatment of psoriatic arthritis. We evaluated tofacitinib in patients with active psoriatic arthritis who had previously had an inadequate response to tumor necrosis factor (TNF) inhibitors. METHODS: In this 6-month randomized, placebo-controlled, double-blind, phase 3 trial, we randomly assigned 395 patients, in a 2:2:1:1 ratio, to four regimens: 5 mg of tofacitinib administered orally twice daily (132 patients); 10 mg of tofacitinib twice daily (132 patients); placebo, with a switch to 5 mg of tofacitinib twice daily at 3 months (66 patients); or placebo, with a switch to 10 mg of tofacitinib twice daily at 3 months (65 patients)...
October 19, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29039526/promoting-effects-of-il%C3%A2-23-on-myocardial-ischemia-and-reperfusion-are-associated-with-increased-expression-of-il%C3%A2-17a-and-upregulation-of-the-jak2%C3%A2-stat3-signaling-pathway
#10
Yanxi Liao, Xiaorong Hu, Xin Guo, Bofang Zhang, Weipan Xu, Hong Jiang
Interleukin (IL)‑23, as a novel pro‑inflammatory cytokine, is important in several inflammatory diseases, including myocardial ischemia and reperfusion (I/R) injury, however, the underlying mechanism remains to be elucidated. The present study was designed to investigate the specific role of IL‑23 in myocardial I/R injury, and whether the Janus kinase 2/signal transducer and activator of transcription 3 (JAK2‑STAT3) signaling pathway, one of the important downstream signaling pathways of IL‑23, and the IL‑17A downstream pro‑inflammatory cytokine, were involved...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29036254/evaluation-of-risk-of-major-adverse-cardiovascular-events-with-biologic-therapy-in-patients-with-psoriasis
#11
Robert Bissonnette, Francisco Kerdel, Luigi Naldi, Kim Papp, Claudia Galindo, Wayne Langholff, K L Tang, Philippe Szapary, Steven Fakharzadeh, Bhaskar Srivastava, Kavitha Goyal, Alice B Gottlieb
BACKGROUND: Psoriasis is associated with increased risk of major adverse cardiovascular events (MACE). OBJECTIVES: Compare MACE risk with biologics vs topical/phototherapy use. METHODS: Psoriasis Longitudinal Assessment Registry (PSOLAR) is an international psoriasis registry of patients eligible to receive biologic/systemic treatments prospectively. MACE is defined as myocardial infarction, stroke, or cardiovascular death. Biologic cohorts, including tumor necrosis factor-alpha (TNF-α) inhibitors (ie, adalimumab, etanercept, and infliximab) and ustekinumab, combined and by class, were compared with a topical/phototherapy cohort...
October 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28987235/effects-of-l-arginine-supplementation-associated-with-continuous-or-interval-aerobic-training-on-chronic-heart-failure-rats
#12
Giovanna Tedesco Barcelos, Douglas Dalcin Rossato, Júlia Luiza Perini, Lucas Pereira Pinheiro, Carol Carvalho, Rodrigo Boemo Jaenisch, Cláudia Ramos Rhoden, Pedro Dal Lago, Ramiro Barcos Nunes
OBJECTIVE: Chronic heart failure (CHF) is related with exercise intolerance and impaired nitric oxide (NO) production, which can lead to several functional capacity alterations. Considering the possible superiority of aerobic interval training compared to continuous training and the capacity of l-arginine to restore the NO pathway, the aim of the present study was to investigate whether these treatments are beneficial to exercise capacity, muscle mass preservation and hemodynamic, inflammatory and oxidative stress parameters in CHF rats...
November 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28979360/implication-of-the-neurotrophin-receptor-p75-ntr-in-vascular-diseases-beyond-the-eye
#13
Sally L Elshaer, Azza B El-Remessy
INTRODUCTION: The p75 neurotrophin receptor (p75(NTR)) is a member of TNF-α receptor superfamily that bind all neurotrophins, mainly regulating their pro-apoptotic actions. Ischemia is a common pathology in different cardiovascular diseases affecting multiple organs, however the contribution of p75(NTR) remains not fully addressed. The aim of this work is to review the current evidence through published literature studying the impact of p75(NTR) receptor in ischemic vascular diseases...
2017: Expert Review of Ophthalmology
https://www.readbyqxmd.com/read/28978553/ctrp9-regulates-the-fate-of-implanted-mesenchymal-stem-cells-and-mobilizes-their-protective-effects-against-ischemic-heart-injury-via-multiple-novel-signaling-pathways
#14
Wenjun Yan, Yongzhen Guo, Ling Tao, Wayne Bond Lau, Lu Gan, Zheyi Yan, Rui Guo, Erhe Gao, G William Wong, Walter L Koch, Yajing Wang, Xin-Liang Ma
Background -Cell therapy remains the most promising approach against ischemic heart injury. However, the poor survival of engrafted stem cells in the ischemic environment limits their therapeutic efficacy for cardiac repair post myocardial infarction (MI). C1q/tumor necrosis factor-related protein-9 (CTRP9) is a novel pro-survival cardiokine with significantly downregulated expression after MI. Here, we tested a hypothesis that CTRP9 might be a cardiokine required for a healthy microenvironment promoting implanted stem cell survival and cardioprotection...
October 4, 2017: Circulation
https://www.readbyqxmd.com/read/28978156/myoblast-transplantation-improves-cardiac-function-after-myocardial-infarction-through-attenuating-inflammatory-responses
#15
Bo Wang, Likui Zhang, Hao Cao, Junqi Yang, Manya Wu, Yali Ma, Huimin Fan, Zhenzhen Zhan, Zhongmin Liu
Myocardial infarction (MI) is a highly prevalent cardiac emergency, which results in adverse cardiac remodeling and then exacerbates progressive heart failure. Inflammatory responses in cardiac tissue after MI is necessary for myocardium repair and wound healing. However, the excessive inflammation is also a key component of subsequent heart failure pathology. Myoblast transplantation after MI have been fulfilled attractive effects on cardiac repair, but the complications of transplantation and the underlying mechanisms have not been fully elucidated...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28968594/mirna-expression-profile-of-the-myocardial-tissue-of-pigs-with-coronary-microembolization
#16
Qiang Su, Lang Li, Jinmin Zhao, Yuhan Sun, Huafeng Yang
BACKGROUND/AIMS: Coronary microembolization (CME) is a serious complication of coronary heart disease and is considered as a strong predictor of poor long-term prognosis and major cardiac adverse events. Here, we identified differentially expressed microRNAs (miRNAs) in the myocardial tissue of CME pigs, and predicted and analyzed the possible functions of their target genes. METHODS: Twelve Bama mini-pigs were randomly assigned to the sham and CME group (n = 6 in each group)...
October 2, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28964797/%C3%AF-alkynyl-arachidonic-acid-promotes-anti-inflammatory-macrophage-m2-polarization-against-acute-myocardial-infarction-via-regulating-the-cross-talk-between-pkm2-hif-1%C3%AE-and-inos
#17
Yuanyuan Cheng, Yibin Feng, Zhengyuan Xia, Xuechen Li, Jianhui Rong
Macrophage polarization determines the timing for the switch from the inflammation phase to the inflammation resolution phase after acute myocardial infarction. The aim of the present study was to investigate whether ω-alkynyl arachidonic acid could mitigate the inflammatory lipid mediators in the regulation of macrophage phenotypes and functions with a special regard to myocardial infarction. We initially discovered that ω-alkynyl arachidonic acid selectively suppressed the up-regulation of inducible nitric oxide synthase (iNOS) over cyclooxygenase-2 (COX-2) in LPS-stimulated macrophages...
September 28, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28962151/hesperetin-protects-against-inflammatory-response-and-cardiac-fibrosis-in-postmyocardial-infarction-mice-by-inhibiting-nuclear-factor-%C3%AE%C2%BAb-signaling-pathway
#18
Bing Wang, Lianghai Li, Ping Jin, Mengqiu Li, Jianguo Li
Cardiac inflammation and cardiac fibrosis are important parts of cardiac remodeling following myocardial infarction (MI), which may be the basic mechanisms of the development of chronic heart failure. The nuclear factor (NF)-κB signaling pathway promotes cardiac inflammation and fibrosis. It has reported that hesperetin inhibits cardiac remodeling induced by pressure overload in mice. However, it has remained elusive whether and how hesperetin has a role in cardiac fibrosis post-MI. Therefore, a mouse model of MI was established by left anterior descending coronary artery ligation...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28948410/protective-molecular-mechanisms-of-clusterin-against-apoptosis-in-cardiomyocytes
#19
REVIEW
Rodrigo Martins Pereira, Rania A Mekary, Kellen Cristina da Cruz Rodrigues, Chadi Pellegrini Anaruma, Eduardo Rochete Ropelle, Adelino Sanchez Ramos da Silva, Dennys Esper Cintra, José Rodrigo Pauli, Leandro Pereira de Moura
Loss of cardiomyocytes occurs with aging and contributes to cardiovascular complications. In the present study, we highlighted the role of clusterin, a protein that has recently been associated with the protection of cardiomyocytes from apoptosis. Clusterin protects cardiac cells against damage from myocardial infarction, transplant, or myocarditis. Clusterin can act directly or indirectly on apoptosis by regulating several intracellular pathways. These pathways include (1) the oxidant and inflammatory program, (2) insulin growth factor 1 (IGF-1) pathway, (3) KU70 / BCL-2-associated X protein (BAX) pathway, (4) tumor necrosis factor alpha (TNF-α) pathway, (5) BCL-2 antagonist of cell death (BAD) pathway, and (6) mitogen-activated protein kinase (MAPK) pathway...
September 25, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28946769/magnolol-reduces-renal-ischemia-and-reperfusion-injury-via-inhibition-of-apoptosis
#20
Chia-Yu Tang, Chang-Chi Lai, Po-Hsun Huang, An-Han Yang, Shu-Chiung Chiang, Po-Chao Huang, Kuo-Wei Tseng, Cheng-Hsiung Huang
Magnolol, a constituent of the bark of Magnolia officinalis, has been reported to decrease myocardial stunning and infarct size. In this study, we investigated whether magnolol can reduce renal ischemia and reperfusion (I/R) injury. Renal I/R, induced by a 60-min occlusion of bilateral renal arteries and a 24-h reperfusion, significantly increased blood urea nitrogen (BUN) and creatinine levels, and caused histological damage to the kidneys of rats. Apoptosis, as evaluated by terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) staining and caspase-3 activation, was significantly increased in the kidneys...
2017: American Journal of Chinese Medicine
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