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inflammation and myocardial infarction

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https://www.readbyqxmd.com/read/29772546/gpcr-autoantibodies-in-chronic-heart-failure
#1
Valerie Boivin-Jahns, Roland Jahns
Chronic heart failure (CHF) is a syndrome characterized by shortness of breath, fluid retention, and a progressive reduction in cardiac function. More than 60% of the cases are ischemic in origin (i.e., due to myo-cardial infarction) and about 30% are caused by non-ischemic myocardial damage (i.e., due to genetic or non-genetic causes like myocardial inflammation). Because of alterations in both cellular and humoral immunity patients with non-ischemic CHF often develop abnormal or misled immune responses, including cross-reacting antibodies and/or autoantibodies to various cardiac anti-gens...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29769800/the-therapeutic-potential-of-blocking-galectin-3-expression-in-acute-myocardial-infarction-and-mitigating-inflammation-of-infarct-region-a-clinical-outcome-based-translational-study
#2
Wassim Mosleh, Milind R Chaudhari, Swati Sonkawade, Supriya Mahajan, Charl Khalil, Kevin Frodey, Tanvi Shah, Suraj Dahal, Roshan Karki, Rujuta Katkar, W Matthijs Blankesteijn, Brian Page, Saraswati Pokharel, Minhyung Kim, Umesh C Sharma
Introduction: Increased galectin-3 is associated with ischemic cardiomyopathy, although its role in early remodeling post-myocardial infarction (MI) has not been fully elucidated. There are no data demonstrating that blocking galectin-3 expression would have an impact on the heart and that its relationship to remodeling is not simply an epiphenomenon. The direct association between galectin-3 and myocardial inflammation, dysfunction, and adverse cardiovascular outcomes post-MI was examined using clinical and translational studies...
2018: Biomarker Insights
https://www.readbyqxmd.com/read/29769425/gender-differences-in-hemostatic-and-inflammatory-factors-in-patients-with-acute-coronary-syndromes-a-pilot-study
#3
A Siennicka, M Jastrzebska, K Smialkowska, S Oledzki, K Chelstowski, M Klysz, J Clark, Z Kornacewicz-Jach
Many studies have shown gender differences in the progress of acute coronary syndromes (ACS). These differences include, amongst others, processes involved in hemostasis and inflammation, and in the present study we put forward the hypothesis that these are the primary cause of other differences. The study included 66 ACS patients (27 women and 39 men) aged 43 - 83 years, 23 with non-ST-elevation myocardial infarction (NSTEMI) and 43 with ST-elevation myocardial infarction (STEMI). Blood samples were taken on day 3 (NSTEMI) or day 5 (STEMI) after hospitalization, and fibrinogen, D-dimers, von Willebrand factor, C-reactive protein and interleukin-6 levels measured...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29765562/a-myriad-of-roles-of-mir-25-in-health-and-disease
#4
REVIEW
Márta Sárközy, Zsuzsanna Kahán, Tamás Csont
Small non-coding RNAs including microRNAs (miRNAs) have been recently recognized as important regulators of gene expression. MicroRNAs play myriads of roles in physiological processes as well as in the pathogenesis of a number of diseases by translational repression or mRNA destabilization of numerous target genes. The miR-106b-25 cluster is highly conserved in vertebrates and consists of three members including miR-106b, miR-93 and miR-25. MiR-106b and miR-93 share the same seed sequences; however, miR-25 has only a similar seed sequence resulting in different predicted target mRNAs...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29761913/functional-variants-in-the-lc3b-gene-promoter-in-acute-myocardial-infarction
#5
Feng Gao, Qiang Su, Wentao Yang, Shuchao Pang, Shuai Wang, Yinghua Cui, Jinguo Zhang, Bo Yan
Acute myocardial infarction (AMI) is a common disease mainly caused by atherosclerosis, for which genetic causes remain largely unknown. Recently, low frequency and rare genetic variants have been proposed as risk factors. Autophagy has been involved in many cellular processes, such as lipid metabolism and inflammation, and implicated in human diseases, including cardiovascular diseases. In previous studies, we have reported reduced levels of LC3B, a core protein and a marker for autophagy, in AMI patients...
May 15, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29761875/mir-130-aggravates-acute-myocardial-infarction-induced-myocardial-injury-by-targeting-ppar-%C3%AE
#6
Xianglin Chu, Yiqing Wang, Liewen Pang, Jiechun Huang, Xiaotian Sun, Xiaofeng Chen
Cardiac remodeling is a common pathophysiological change associated with acute myocardial infarction (AMI). Recent evidence indicates that microRNAs are strong posttranscriptional regulators which play an important role in regulating the microenvironment of myocardial tissue after AMI. In this study, we sought to explore the potential role and underlying mechanism of miR-130 in AMI. H9c2 cells were cultured under hypoxic conditions to simulate myocardial infarction. The influence of aberrantly expressed miR-130 on H9c2 cells under hypoxia was also estimated with RT-PCR, western blot and enzyme-linked immunosorbent assay...
May 15, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29761012/an-overview-of-protective-strategies-against-ischemia-reperfusion-injury-the-role-of-hyperbaric-oxygen-preconditioning
#7
Ciprian Hentia, Alex Rizzato, Enrico Camporesi, Zhongjin Yang, Danina M Muntean, Dorel Săndesc, Gerardo Bosco
Introduction: Ischemia/reperfusion (I/R) injury, such as myocardial infarction, stroke, and peripheral vascular disease, has been recognized as the most frequent causes of devastating disorders and death currently. Protective effect of various preconditioning stimuli, including hyperbaric oxygen (HBO), has been proposed in the management of I/R. Methods: In this study, we searched and reviewed up-to-date published papers to explore the pathophysiology of I/R injury and to understand the mechanisms underlying the protective effect of HBO as conditioning strategy...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760744/mst1-regulates-post-infarction-cardiac-injury-through-the-jnk-drp1-mitochondrial-fission-pathway
#8
Xisong Wang, Qing Song
Background: Post-infarction cardiac injury is closely associated with cardiac remodeling and heart dysfunction. Mammalian STE20-like kinase 1 (Mst1), a regulator of cellular apoptosis, is involved in cardiac remodeling in post-infarction heart, but the mechanisms remain poorly defined. We aimed to explore the role of Mst1 in regulating chronic post-infarction cardiac injury, with a focus on mitochondrial homoeostasis. Methods: Wild-type (WT) and Mst1-knockout mice were as the cardiac myocardial infarction model...
2018: Cellular & Molecular Biology Letters
https://www.readbyqxmd.com/read/29760738/dental-mesenchymal-stem-stromal-cells-and-their-exosomes
#9
REVIEW
Peter Stanko, Ursula Altanerova, Jana Jakubechova, Vanda Repiska, Cestmir Altaner
Stem cells derived from human dental pulp tissue (DP-MSC) differ from the other mesenchymal stem cells prepared from bone marrow or adipose tissue due to their embryonic origin from the neural crest and are of special interest because of their neurotropic character. Furthermore, the therapeutic potential of DP-MSCs is realized through paracrine action of extracellularly released components, for which exosomes play an important role. In this review, we intend to explore the properties of these cells with an emphasis on exosomes...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29759006/interplay-between-hypercholesterolaemia-and-inflammation-in-atherosclerosis-translating-experimental-targets-into-clinical-practice
#10
José Tuñón, Magnus Bäck, Lina Badimón, Marie-Luce Bochaton-Piallat, Bertrand Cariou, Mat J Daemen, Jesus Egido, Paul C Evans, Sheila E Francis, Daniel Fj Ketelhuth, Esther Lutgens, Christian M Matter, Claudia Monaco, Sabine Steffens, Erik Stroes, Cécile Vindis, Christian Weber, Imo E Hoefer
Dyslipidaemia and inflammation are closely interconnected in their contribution to atherosclerosis. In fact, low-density lipoprotein (LDL)-lowering drugs have anti-inflammatory effects. The Canakinumab Antiinflammatory Thrombosis Outcome Study (CANTOS) has shown that interleukin (IL)-1β blockade reduces the incidence of cardiovascular events in patients with previous myocardial infarction and C-reactive protein levels >2 mg/L. These data confirm the connection between lipids and inflammation, as lipids activate the Nod-like receptor protein 3 inflammasome that leads to IL-1β activation...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29756411/hexarelin-treatment-preserves-myocardial-function-and-reduces-cardiac-fibrosis-in-a-mouse-model-of-acute-myocardial-infarction
#11
Hayley McDonald, Jason Peart, Nyoman Kurniawan, Graham Galloway, Simon Royce, Chrishan S Samuel, Chen Chen
Ischemic heart disease (IHD) is a leading cause of morbidity and mortality worldwide. Growth hormone secretagogues (GHS) have been shown to improve cardiac function in models of IHD. This study determined whether hexarelin (HEX), a synthetic GHS, preserves cardiac function and morphology in a mouse model of myocardial infarction (MI). MI was induced by ligation of the left descending coronary artery in C57BL/6J mice followed by vehicle (VEH; n = 10) or HEX (0.3 mg/kg/day; n = 11) administration for 21 days...
May 2018: Physiological Reports
https://www.readbyqxmd.com/read/29754760/the-role-of-scube1-in-the-development-of-late-stent-thrombosis-presenting-with-st-elevation-myocardial-infarction
#12
Hasan Ata Bolayır, Tarık Kıvrak, Hakan Güneş, Dursun Akaslan, Ömer Şahin, Aslı Bolayır
INTRODUCTION AND AIM: There is an important link between platelets and inflammation, thrombosis, and vascular and tissue repair mechanisms. SCUBE1 (signal peptide-CUB-EGF domain-containing protein 1) may function as a novel platelet-endothelial adhesion molecule and play pathological roles in cardiovascular biology. Stent thrombosis (ST) following percutaneous coronary intervention is an uncommon and potentially catastrophic event that can manifest as myocardial infarction and sudden death...
May 10, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29751831/intravenous-injection-of-allogeneic-umbilical-cord-derived-multipotent-mesenchymal-stromal-cells-reduces-the-infarct-area-and-ameliorates-cardiac-function-in-a-porcine-model-of-acute-myocardial-infarction
#13
Meikuang Lim, Weiqiang Wang, Lu Liang, Zhi-Bo Han, Zongjin Li, Jie Geng, Meng Zhao, Honghong Jia, Jie Feng, Zhe Wei, Baoquan Song, Jiemin Zhang, Jun Li, Tianwen Liu, Fan Wang, Ting Li, Jianming Li, Yihu Fang, Jianhua Gao, Zhongchao Han
BACKGROUND: Multipotent mesenchymal stromal cell (MSC) therapy has been widely recognized as a feasible strategy for regenerating injured myocardial tissue. However, little is known about the efficacy of intravenous injection of allogeneic umbilical cord (UC) MSCs in preclinical models of porcine myocardial infarction. METHODS: Different dosages of allogeneic UC-MSCs or the vehicle [phosphate-buffered saline (PBS)] were delivered intravenously into an acute myocardial infarction (AMI) porcine model twice after coronary ligation...
May 11, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29750575/unified-nexus-of-macrophages-and-maresins-in-cardiac-reparative-mechanisms
#14
Jeevan Kumar Jadapalli, Ganesh V Halade
Macrophages are immune-sensing "big eater" phagocytic cells responsible for an innate, adaptive, and regenerative response. After myocardial infarction, macrophages predominantly clear the deceased cardiomyocyte apoptotic or necrotic neutrophils to develop a regenerative and reparative program with the activation of the lipoxygenase-mediated maresin (MaR) metabolome at the site of ischemic injury. The specialized proresolving molecule and macrophage mediator in resolving inflammation, MaR-1, produced by human macrophages, has potent defining effects that limit polymorphonuclear neutrophil infiltration, enhance uptake of apoptotic PMNs, regulate inflammation resolution and tissue regeneration, and reduce pain...
May 11, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29746617/a-wake-up-call-for-human-immunodeficiency-virus-hiv-providers-obstructive-sleep-apnea-in-people-living-with-hiv
#15
Robert L Owens, Charles B Hicks
Obstructive sleep apnea (OSA) is defined by repetitive collapse of the upper airway during sleep leading to transient hypoxemia and arousals from sleep. Surges in sympathetic activity, repeated oxygen desaturation, and sleep fragmentation can lead to cardiovascular (eg, myocardial infarction) and neurocognitive (eg, excessive daytime sleepiness) consequences. Emerging data suggest that OSA is common in people living with human immunodeficiency virus (PLWH) and that traditional risk factors for OSA, such as obesity, are not highly predictive of OSA in PLWH...
May 9, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29746525/expression-of-adhesion-molecules-on-granulocytes-and-monocytes-following-myocardial-infarction-in-rats-drinking-white-wine
#16
Nikolina Režić-Mužinić, Angela Mastelić, Benjamin Benzon, Anita Markotić, Ivana Mudnić, Ivica Grković, Mia Grga, Ana Marija Milat, Nikola Ključević, Mladen Boban
Neutrophils and monocytes through their CD15s, CD11b and CD44 adhesion molecules are implicated in the initiation and resolution of cardiac inflammation as well as in healing processes after the myocardial infarction (MI). The aim of this study was to determine the effect of white wine consumption on granulocyte and monocyte CD15s, CD11b, and CD44 expression 24h after the surgically inflicted MI. Granulocytes and monocytes were analyzed by flow cytometry, using whole blood of male Sprague-Dawley rats that consumed white wine for 4 weeks...
2018: PloS One
https://www.readbyqxmd.com/read/29743973/apoptosis-and-mobilization-of-lymphocytes-to-cardiac-tissue-is-associated-with-myocardial-infarction-in-a-reperfused-porcine-model-and-infarct-size-in-post-pci-patients
#17
Maria J Forteza, Isabel Trapero, Arantxa Hervas, Elena de Dios, Amparo Ruiz-Sauri, Gema Minana, Clara Bonanad, Cristina Gómez, Ricardo Oltra, Cesar Rios-Navarro, Daniel F J Ketelhuth, Julio Nunez, Francisco J Chorro, Vicente Bodi
ST-segment elevation myocardial infarction (STEMI) is the most severe outcome of coronary artery disease. Despite rapid reperfusion of the artery, acute irrigation of the cardiac tissue is associated with increased inflammation. While innate immune response in STEMI is well described, an in-depth characterization of adaptive immune cell dynamics and their potential role remains elusive. We performed a translational study using a controlled porcine reperfusion model of STEMI and the analysis of lymphocyte subsets in 116 STEMI patients undergoing percutaneous coronary intervention (PCI)...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29742480/clinical-benefits-and-pharmacology-of-scutellarin-a-comprehensive-review
#18
REVIEW
Liping Wang, Qiang Ma
Stroke and myocardial infarction are among the most common causes of mortality and disability in the world. The ischemic injury underlying these illnesses is complex, involving intricate interplays among many biological functions including energy metabolism, vascular regulation, hemodynamics, oxidative stress, inflammation, platelet activation, and tissue repair that take place in a context- and time-dependent manner. The current drug therapy of choice is to timely resupply the blood to the ischemic tissue; but reperfusion may introduce additional harm to the tissue through a process known as ischemia/reperfusion injury...
May 6, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29739681/cruciferous-vegetable-intake-and-mortality-in-middle-aged-adults-a-prospective-cohort-study
#19
Nagisa Mori, Taichi Shimazu, Hadrien Charvat, Michihiro Mutoh, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Manami Inoue, Atsushi Goto, Ribeka Takachi, Junko Ishihara, Mitsuhiko Noda, Hiroyasu Iso, Shoichiro Tsugane
BACKGROUND & AIMS: Cruciferous vegetables contain isothiocyanates, which effectively reduce inflammation and oxidative stress related to chronic diseases, inhibit the bioactivation of procarcinogens, and enhance the excretion of carcinogens. However, at present, no large cohort studies have investigated the effect of cruciferous vegetable on mortality. We aimed to examine the association between cruciferous vegetable intake and all-cause mortality, namely cancer, heart disease, cerebrovascular disease, and injuries, in a large cohort study conducted between 1990 and 1993, in Japan...
April 24, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29738369/cardioprotective-effects-of-metformin
#20
Christine Driver, Kayode Dominion Samuel Bamitale, Aniessa Kazi, Mehnaaz Olla, Annah Ntsoaki Nyane, Peter Mark Oroma Owira
Metformin, routinely used as first-line drug in the treatment of type 2 diabetes has been shown to have cardioprotective effects beyond its glycemic control. These have been attributed to increases in Akt concentrations and activation of protein kinases in the RISK pathways. which prevent the mitochondrial mPTP from opening and rupturing it and therefore protects myocyte viability. In myocardial infarction and subsequent reperfusion, metformin activation of AMPK promotes glycolysis and keeps the mPTP closed...
May 3, 2018: Journal of Cardiovascular Pharmacology
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