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Cell therapy myocardial infarction

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https://www.readbyqxmd.com/read/29774530/cardiomyocyte-programmed-necrosis-mitochondria-death-receptor-and-beyond
#1
REVIEW
Junxia Zhang, Dairu Liu, Mao Zhang, Yan Zhang
Excessive death of cardiac myocytes leads to multiple cardiac diseases, including myocardial infarction, arrhythmia, heart failure and sudden cardiac death. For the last several decades, most work on cell death has focused on apoptosis, which is generally considered as the only form of regulated cell death, whereas necrosis has been regarded to be an unregulated process. Recent findings reveal that necrosis also occurs in a regulated manner and that it is closely related to the physiology and pathophysiology of multiple organs, including the heart...
May 18, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29774076/the-human-somatostatin-receptor-type-2-as-an-imaging-and-suicide-reporter-gene-for-pluripotent-stem-cell-derived-therapy-of-myocardial-infarction
#2
Katrien Neyrinck, Natacha Breuls, Bryan Holvoet, Wouter Oosterlinck, Esther Wolfs, Hubert Vanbilloen, Olivier Gheysens, Robin Duelen, Willy Gsell, Ivo Lambrichts, Uwe Himmelreich, Catherine M Verfaillie, Maurilio Sampaolesi, Christophe M Deroose
Rationale: Pluripotent stem cells (PSCs) are being investigated as a cell source for regenerative medicine since they provide an infinitive pool of cells that are able to differentiate towards every cell type of the body. One possible therapeutic application involves the use of these cells to treat myocardial infarction (MI), a condition where billions of cardiomyocytes (CMs) are lost. Although several protocols have been developed to differentiate PSCs towards CMs, none of these provide a completely pure population, thereby still posing a risk for neoplastic teratoma formation...
2018: Theranostics
https://www.readbyqxmd.com/read/29768541/vascular-endothelial-growth-factor-association-with-angiopoietin-1-promotes-improvement-in-ventricular-function-after-ischemic-cardiomyopathy-induced-in-mini-pigs
#3
André Lacerda de Abreu Oliveira, Jussara Peters Scheffer, Melissa Markoski, Andreia Koche, Alexsandra Balbinot, Fernanda Antunes, Renato Kalil
PURPOSE: To investigate the safety and clinical, hemodynamic and tissue improvement ability in mini pigs undergoing cell and gene therapy for the treatment of acute myocardial infarction. METHODS: Thirty-two mini pigs Br1 lineage, 12 months old, undergoing induction of acute myocardial infarction by occlusion of the diagonal branch of the paraconal coronary. They were divided into 4 groups: one control group and 3 treatment groups (cell therapy and gene cell therapy)...
April 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29765421/retention-and-functional-effect-of-adipose-derived-stromal-cells-administered-in-alginate-hydrogel-in-a-rat-model-of-acute-myocardial-infarction
#4
Bjarke Follin, Adam Ali Ghotbi, Andreas Ettrup Clemmensen, Simon Bentsen, Morten Juhl, Rebekka Harary Søndergaard, Lisbeth Drozd Lund, Mandana Haack-Sørensen, Philip Hasbak, Smadar Cohen, Rasmus Sejersten Ripa, Jens Kastrup, Annette Ekblond, Andreas Kjær
Background: Cell therapy for heart disease has been proven safe and efficacious, despite poor cell retention in the injected area. Improving cell retention is hypothesized to increase the treatment effect. In the present study, human adipose-derived stromal cells (ASCs) were delivered in an in situ forming alginate hydrogel following acute myocardial infarction (AMI) in rats. Methods: ASCs were transduced with luciferase and tested for ASC phenotype. AMI was inducted in nude rats, with subsequent injection of saline (controls), 1 × 106 ASCs in saline or 1 × 106 ASCs in 1% ( w / v ) alginate hydrogel...
2018: Stem Cells International
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/29761012/an-overview-of-protective-strategies-against-ischemia-reperfusion-injury-the-role-of-hyperbaric-oxygen-preconditioning
#6
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/29760738/dental-mesenchymal-stem-stromal-cells-and-their-exosomes
#7
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/29760727/expanded-cd133-cells-from-human-umbilical-cord-blood-improved-heart-function-in-rats-after-severe-myocardial-infarction
#8
Alejandro Correa, Gabriel Salles Ottoboni, Alexandra Cristina Senegaglia, Luiz Guilherme Achcar Capriglione, Nelson Itiro Miyague, Lidiane Maria Boldrini Leite, Valderez Ravaglio Jamur, Carmen Lúcia Kuniyoshi Rebelatto, Márcia Olandoski, Paulo Roberto Slud Brofman
Pharmacological approaches are partially effective in limiting infarct size. Cell therapies using a cell population enriched with endothelial progenitor cells (EPCs) CD133+ have opened new perspectives for the treatment of ischemic areas after infarction. This preclinical study evaluated the effect of intramyocardial transplantation of purified or expanded human umbilical cord blood-derived CD133+ cells on the recovery of rats following acute myocardial infarction (AMI). Histology studies, electrocardiogram, and fluorescence in situ hybridization (FISH) were used to evaluate heart recovery...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29758937/the-controversial-origin-of-pericytes-during-angiogenesis-implications-for-cell-based-therapeutic-angiogenesis-and-cell-based-therapies
#9
Anna Blocki, Sebastian Beyer, Friedrich Jung, Michael Raghunath
Pericytes reside within the basement membrane of small vessels and are often in direct cellular contact with endothelial cells, fulfilling important functions during blood vessel formation and homeostasis. Recently, these pericytes have been also identified as mesenchymal stem cells. Mesenchymal stem cells, and especially their specialized subpopulation of pericytes, represent promising candidates for therapeutic angiogenesis applications, and have already been widely applied in pre-clinical and clinical trials...
2018: Clinical Hemorheology and Microcirculation
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
#10
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/29748581/leptin-increases-mitochondrial-opa1-via-gsk3-mediated-oma1-ubiquitination-to-enhance-therapeutic-effects-of-mesenchymal-stem-cell-transplantation
#11
Fan Yang, Rongrong Wu, Zhi Jiang, Jinghai Chen, Jinliang Nan, Sheng'an Su, Na Zhang, Chen Wang, Jing Zhao, Cheng Ni, Yingchao Wang, Wangxing Hu, Zhiru Zeng, Keyang Zhu, Xianbao Liu, Xinyang Hu, Wei Zhu, Hong Yu, Jinyu Huang, Jian'an Wang
Accumulating evidence revealed that mesenchymal stem cells (MSCs) confer cardioprotection against myocardial infarction (MI). However, the poor survival and engraftment rate of the transplanted cells limited their therapeutic efficacy in the heart. The enhanced leptin production associated with hypoxia preconditioning contributed to the improved MSCs survival. Mitochondrial integrity determines the cellular fate. Thus, we aimed to investigate whether leptin can enhance mitochondrial integrity of human MSCs (hMSCs) to protect against various stress...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29745340/problems-in-stem-cell-therapy-for-cardiac-repair-and-tissue-engineering-approaches-based-on-graphene-and-its-derivatives
#12
Ayca Aslan, Adil Allahverdiyev, Melahat Bagirova, Emrah Abamor
BACKGROUND: Today, coronary artery disease is still one of the most important causes of mortality despite advanced surgical methods, pharmacotherapies and organ transplantation. These treatment modalities are intended to prevent further progression of myocardial infarction and do not involve the repair of the damaged part. Therefore, stem cell therapy has emerged as a new approach for the treatment of coronary artery disease. However, there are some restrictions that limit the use of these cells for desired repair...
May 9, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29744879/blocking-nox2-improves-mesenchymal-stem-cells-therapy-in-myocardial-infarction-via-antagonizing-oxidant-and-promoting-survival
#13
Dan Feng, Lai Zhang, Fengzhi Ding, Fan Yang, Wenya Ma, Zhenbo Han, Bingjie Hua, Xiuxiu Wang, Ying Yu, Qi Huang, Lei Lei, Zhenwei Pan, Benzhi Cai
An increase in reactive oxygen species (ROS) plays a key role in aging and apoptosis in mesenchymal stem cells derived from bone marrow (BMSCs). NADPH oxidase Nox2 serves as an important source of intracellular ROS formation. This study is designed to determine if blocking Nox2 enhances anti-apoptotic and anti-aging ability of BMSCs to oxidant stress, and thus improves therapeutic efficacy in myocardial infarction (MI). Nox2 inhibitor (Acetovanillone) and Nox2 siRNA were used to block Nox2 in BMSCs, and the cell viability, apoptosis, senescence and survival of BMSCs were determined by CCK-8, Edu staining, TUNEL staining, β-galactosidase (β-gal) assay and DAPI labeling...
May 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29739982/overexpression-of-cx43-in-cells-of-the-myocardial-scar-correction-of-post-infarct-arrhythmias-through-heterotypic-cell-cell-coupling
#14
Wilhelm Roell, Alexandra M Klein, Martin Breitbach, Torsten S Becker, Ashish Parikh, Jane Lee, Katrin Zimmermann, Shaun Reining, Beth Gabris, Annika Ottersbach, Robert Doran, Britta Engelbrecht, Miriam Schiffer, Kenichi Kimura, Patricia Freitag, Esther Carls, Caroline Geisen, Georg D Duerr, Philipp Sasse, Armin Welz, Alexander Pfeifer, Guy Salama, Michael Kotlikoff, Bernd K Fleischmann
Ventricular tachycardia (VT) is the most common and potentially lethal complication following myocardial infarction (MI). Biological correction of the conduction inhomogeneity that underlies re-entry could be a major advance in infarction therapy. As minimal increases in conduction of infarcted tissue markedly influence VT susceptibility, we reasoned that enhanced propagation of the electrical signal between non-excitable cells within a resolving infarct might comprise a simple means to decrease post-infarction arrhythmia risk...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29737434/anti-apoptosis-in-nonmyocytes-and-pro-autophagy-in-cardiomyocytes-two-strategies-against-postinfarction-heart-failure-through-regulation-of-cell-death-degeneration
#15
REVIEW
Genzou Takemura, Hiromitsu Kanamori, Hideshi Okada, Nagisa Miyazaki, Takatomo Watanabe, Akiko Tsujimoto, Kazuko Goto, Rumi Maruyama, Takako Fujiwara, Hisayoshi Fujiwara
Anti-apoptotic therapy for cardiomyocytes could be an effective strategy for preventing or treating heart failure. Notably, however, morphological evidence definitively demonstrating cardiomyocyte apoptosis has been very rare in actual heart diseases such as acute myocardial infarction and heart failure. By contrast, within the postinfarction heart, interstitial noncardiomyocytes such as granulation tissue cells do die via apoptosis to form scar tissue. Blockade of this apoptosis improves survival and mitigates ventricular remodeling and dysfunction during the chronic stage...
May 8, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29731407/cardiovascular-disease-and-use-of-contemporary-protease-inhibitors-the-d-a-d-international-prospective-multicohort-study
#16
Lene Ryom, Jens D Lundgren, Wafaa El-Sadr, Peter Reiss, Ole Kirk, Matthew Law, Andrew Phillips, Rainer Weber, Eric Fontas, Antonella d' Arminio Monforte, Stéphane De Wit, Francois Dabis, Camilla I Hatleberg, Caroline Sabin, Amanda Mocroft
BACKGROUND: Although earlier protease inhibitors have been associated with increased risk of cardiovascular disease, whether this increased risk also applies to more contemporary protease inhibitors is unknown. We aimed to assess whether cumulative use of ritonavir-boosted atazanavir and ritonavir-boosted darunavir were associated with increased incidence of cardiovascular disease in people living with HIV. METHODS: The prospective Data Collection on Adverse Events of Anti-HIV Drugs (D:A:D) study consists of people living with HIV-1 from 11 cohorts in Australia, Europe, and the USA...
May 3, 2018: Lancet HIV
https://www.readbyqxmd.com/read/29710844/synthesis-and-characterization-of-injectable-hydrogels-with-varying-collagen%C3%A2-chitosan%C3%A2-thymosin-%C3%AE-4-composition-for-myocardial-infarction-therapy
#17
Achmad Dzihan Shaghiera, Prihartini Widiyanti, Helmy Yusuf
Thirty percent of global mortalities are caused by cardiovascular disease, and 54% of the aforementioned amount is instigated by ischemic heart disease that triggered myocardial infarction. Myocardial infarction is due to blood flow cessation in certain coronary arteries that causes lack of oxygen (ischemia) and stimulates myocardial necrosis. One of the methods to treat myocardial infarction consists in injecting cells or active biomolecules and biomaterials into heart infarction locations. This study aimed to investigate the characteristics of a collagen⁻chitosan-based hydrogel with variations in its chitosan composition...
April 30, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29703819/new-insights-from-studies-of-clonal-hematopoiesis
#18
Christopher J Gibson, David P Steensma
Clonal hematopoiesis (CH) describes an asymptomatic expansion of blood cells descended from a single hematopoietic stem cell. Recent studies have shown that CH increases in frequency with aging, and is often driven by somatic mutations in genes that are recurrently mutated in hematologic malignancies. When CH is associated with a mutation in a leukemia-associated gene at a variant allele frequency of 0.02 or greater, it is termed "clonal hematopoiesis of indeterminate potential" (CHIP).  CHIP has a 0...
April 27, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29703749/rationale-and-design-of-the-concert-hf-combination-of-mesenchymal-and-c-kit-cardiac-stem-cells-as-regenerative-therapy-for-heart-failure-trial
#19
Roberto Bolli, Joshua M Hare, Keith L March, Carl J Pepine, James T Willerson, Emerson C Perin, Phillip C Yang, Timothy D Henry, Jay H Traverse, Raul D Mitrani, Aisha Khan, Ivonne H Schulman, Doris A Taylor, Darcy L DiFede, João A Lima, Atul R Chugh, John Loughran, Rachel W Vojvodic, Shelly L Sayre, Judy Bettencourt, Michelle Cohen, Lem Moyé, Ray F Ebert, Robert D Simari
<u>Rationale:</u> Autologous bone marrow (BM) mesenchymal stem cells (MSCs) and c-kit+ cardiac progenitor cells (CPCs) are two promising cell types being evaluated for patients with heart failure (HF) secondary to ischemic cardiomyopathy. No information is available in humans regarding the relative efficacy of MSCs and CPCs and whether their combination is more efficacious than either cell type alone. <u>Objective:</u> CONCERT-HF (Combination Of meseNchymal and c-kit+ Cardiac stEm cells as Regenerative Therapy for Heart Failure) is a Phase II trial aimed at elucidating these issues by assessing the feasibility, safety, and efficacy of transendocardial administration of autologous MSCs and CPCs, alone and in combination, in patients with HF caused by chronic ischemic cardiomyopathy (coronary artery disease and old myocardial infarction)...
April 27, 2018: Circulation Research
https://www.readbyqxmd.com/read/29696937/the-effects-of-atorvastatin-on-il-6-crp-blood-lipid-and-myocardial-protection-of-interventional-therapy-in-patients-with-acute-myocardial-infarction
#20
Kai Wang, Lili Chen, Li Liu, Yikai Cui, Xiaohu Zhang, Jun Jiang
BACKGROUND: To analyze the changes of interleukin-6 (IL-6), C-reactive protein (CRP), blood lipids and myocardial indexes after treatment of patients with acute myocardial infarction (AMI) with intensive atorvastatin and interventional therapy, and its clinical significance. METHODS: A total of 78 patients diagnosed with AMI in our hospital from March 2016 to February 2017 were selected, and divided into treatment group (n=39) and control group (n=39). Patients in treatment group were treated with intensive atorvastatin based on conventional therapy before and after percutaneous coronary intervention (PCI), while those in control group were treated with conventional therapy before and after PCI...
April 24, 2018: Minerva Medica
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