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Cell therapy myocardial infarction

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https://www.readbyqxmd.com/read/28920062/into-the-eyes-of-bone-marrow-derived-mesenchymal-stem-cells-therapy-for-myocardial-infarction-and-other-diseases
#1
REVIEW
Jian-Rui Li, Ting-Ting Qu
Applications of bone marrow-derived mesenchymal stem cells (BM-MSCs) have been documented for diseases occur in the sports system, the central nervous system, the cardiovascular system etc. However, poor viability of donor stem cells after transplantation limits their therapeutic efficiency. Although the autophagy theory has been reported, the underlying mechanisms are still poorly understood. Isolation and culture methods of mesenchymal stem cells are currently concentrate on four ways. Overall, BM-MSCs have both important research significance and clinical application value in cell replacement therapy, gene therapy and reconstruction of tissues as well as organs especially for myocardial infarction (MI)...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28913665/role-of-noncoding-rnas-in-regulation-of-cardiac-cell-death-and-cardiovascular-diseases
#2
REVIEW
Yanhan Dong, Cuiyun Liu, Yanfang Zhao, Murugavel Ponnusamy, Peifeng Li, Kun Wang
Loss of functional cardiomyocytes is a major underlying mechanism for myocardial remodeling and heart diseases, due to the limited regenerative capacity of adult myocardium. Apoptosis, programmed necrosis, and autophagy contribute to loss of cardiac myocytes that control the balance of cardiac cell death and cell survival through multiple intricate signaling pathways. In recent years, non-coding RNAs (ncRNAs) have received much attention to uncover their roles in cell death of cardiovascular diseases, such as myocardial infarction, cardiac hypertrophy, and heart failure...
September 14, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28912893/the-role-of-nitric-oxide-during-sonoreperfusion-of-microvascular-obstruction
#3
Francois T H Yu, Xucai Chen, Adam C Straub, John J Pacella
Rationale: Microembolization during PCI for acute myocardial infarction can cause microvascular obstruction (MVO). MVO severely limits the success of reperfusion therapies, is associated with additional myonecrosis, and is linked to worse prognosis, including death. We have shown, both in in vitro and in vivo models, that ultrasound (US) and microbubble (MB) therapy (termed "sonoreperfusion" or "SRP") is a theranostic approach that relieves MVO and restores perfusion, but the underlying mechanisms remain to be established...
2017: Theranostics
https://www.readbyqxmd.com/read/28912121/cortical-bone-stem-cell-therapy-preserves-cardiac-structure-and-function-after-myocardial-infarction
#4
Thomas E Sharp, Giana J Schena, Alexander R Hoachlandr-Hobby, Timothy Starosta, Remus M Berretta, Markus Wallner, Giulia Borghetti, Polina Gross, Daohai Yu, Jaslyn Johnson, Eric A Feldsott, Danielle M Trappanese, Amir Toib, Joseph E Rabinowitz, Jon C George, Hajime Kubo, Sadia Mohsin, Steven R Houser
Rationale: Cortical bone stem cells (CBSCs) have been shown to reduce ventricular remodeling and improve cardiac function in a murine myocardial infarction (MI) model. These effects were superior to other stem cell types that have been used in recent early stage clinical trials. However, CBSC efficacy has not been tested in a preclinical large animal model using approaches that could be applied to patients. Objective: To determine if post-MI transendocardial injection of allogeneic CBSCs reduces pathological structural and functional remodeling and prevents the development of heart failure in a swine MI model...
September 14, 2017: Circulation Research
https://www.readbyqxmd.com/read/28901505/sirt1-confers-protection-against-ischemia-reperfusion-injury-in-cardiomyocytes-via-regulation-of-uncoupling-protein-2-expression
#5
Min Deng, Daxin Wang, Shenghu He, Rixin Xu, Yong Xie
The development of a novel targeted therapy for acute myocardial infarction (AMI) remains a major hurdle in the treatment of cardiovascular disease. Previous studies indicate that mitochondrial uncoupling protein 2 (UCP‑2) is involved in the progression of AMI. The present study uses lentivirus knockdown of Sirtuin 1 (SIRT1) in H9c2 cells under hypoxia conditions, and revealed that levels of SIRT1 are accompanied by the expression of UCP‑2. Therefore, it was hypothesized that SIRT1 might be important in the development of myocardial infarction...
September 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900504/platelet-targeted-delivery-of-peripheral-blood-mononuclear-cells-to-the-ischemic-heart-restores-cardiac-function-after-ischemia-reperfusion-injury
#6
Melanie Ziegler, Xiaowei Wang, Bock Lim, Ephraem Leitner, Franco Klingberg, Victoria Ching, Yu Yao, Dexing Huang, Xiao-Ming Gao, Helen Kiriazis, Xiao-Jun Du, Jody J Haigh, Alex Bobik, Christoph E Hagemeyer, Ingo Ahrens, Karlheinz Peter
One of the major hurdles in intravenous regenerative cell therapy is the low homing efficiency to the area where these cells are needed. To increase cell homing toward areas of myocardial damage, we developed a bispecific tandem single-chain antibody (Tand-scFvSca-1+GPIIb/IIIa) that binds with high affinity to activated platelets via the activated glycoprotein (GP)IIb/IIIa receptor, and to a subset of peripheral blood mononuclear cells (PBMC) which express the stem cell antigen-1 (Sca-1) receptor. Methods: The Tand-scFvSca-1+GPIIb/IIIa was engineered, characterized and tested in a mouse model of ischemia-reperfusion (IR) injury applying left coronary artery occlusion for 60 min...
2017: Theranostics
https://www.readbyqxmd.com/read/28882238/unraveling-vascular-inflammation-from-immunology-to-imaging
#7
REVIEW
Heather L Teague, Mark A Ahlman, Abass Alavi, Denisa D Wagner, Andrew H Lichtman, Matthias Nahrendorf, Filip K Swirski, Frank Nestle, Joel M Gelfand, Mariana J Kaplan, Steven Grinspoon, Paul M Ridker, David E Newby, Ahmed Tawakol, Zahi A Fayad, Nehal N Mehta
Inflammation is a critical factor in early atherosclerosis and its progression to myocardial infarction. The search for valid surrogate markers of arterial vascular inflammation led to the increasing use of positron emission tomography/computed tomography. Indeed, vascular inflammation is associated with future risk for myocardial infarction and can be modulated with short-term therapies, such as statins, that mitigate cardiovascular risk. However, to better understand vascular inflammation and its mechanisms, a panel was recently convened of world experts in immunology, human translational research, and positron emission tomographic vascular imaging...
September 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28875618/intramyocardial-injection-of-stem-cells-in-pig-myocardial-infarction-model-the-first-trial-in-korea
#8
Min Chul Kim, Yong Sook Kim, Wan Seok Kang, Ki Hong Lee, Meeyoung Cho, Moon Hwa Hong, Kyung Seob Lim, Myung Ho Jeong, Youngkeun Ahn
Although cell therapy is emerged for cardiac repair, its efficacy is modest by intracoronary infusion. Therefore, we established the intramyocardial delivery technique using a left ventricular (LV) mapping system (NOGA® XP) using 18 pigs. After adipose tissue-derived mesenchymal stem cells (ATSCs) were delivered intramyocardially to porcine infarcted heart, LV ejection fraction (EF) was increased, and LV chamber size was decreased. We proved the therapeutic effect of intramyocardial injection of ATSC through a LV mapping system in the porcine model for the first time in Korea...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#9
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28869589/stem-cell-therapies-for-myocardial-infarction-in-clinical-trials-bioengineering-and-biomaterial-aspects
#10
Akon Higuchi, Nien-Ju Ku, Yeh-Chia Tseng, Chih-Hsien Pan, Hsing-Fen Li, S Suresh Kumar, Qing-Dong Ling, Yung Chang, Abdullah A Alarfaj, Murugan A Munusamy, Giovanni Benelli, Kadarkarai Murugan
Cardiovascular disease remains the leading cause of death and disability in advanced countries. Stem cell transplantation has emerged as a promising therapeutic strategy for acute and chronic ischemic cardiomyopathy. The current status of stem cell therapies for patients with myocardial infarction is discussed from a bioengineering and biomaterial perspective in this review. We describe (a) the current status of clinical trials of human pluripotent stem cells (hPSCs) compared with clinical trials of human adult or fetal stem cells, (b) the gap between fundamental research and application of human stem cells, (c) the use of biomaterials in clinical and pre-clinical studies of stem cells, and finally (d) trends in bioengineering to promote stem cell therapies for patients with myocardial infarction...
September 4, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28862654/antioxidant-therapeutic-strategies-for-cardiovascular-conditions-associated-with-oxidative-stress
#11
REVIEW
Jorge G Farías, Víctor M Molina, Rodrigo A Carrasco, Andrea B Zepeda, Elías Figueroa, Pablo Letelier, Rodrigo L Castillo
Oxidative stress (OS) refers to the imbalance between the generation of reactive oxygen species (ROS) and the ability to scavenge these ROS by endogenous antioxidant systems, where ROS overwhelms the antioxidant capacity. Excessive presence of ROS results in irreversible damage to cell membranes, DNA, and other cellular structures by oxidizing lipids, proteins, and nucleic acids. Oxidative stress plays a crucial role in the pathogenesis of cardiovascular diseases related to hypoxia, cardiotoxicity and ischemia-reperfusion...
September 1, 2017: Nutrients
https://www.readbyqxmd.com/read/28861163/image-guided-stem-cells-with-functionalized-self-assembling-peptide-nanofibers-for-treatment-of-acute-myocardial-infarction-in-a-mouse-model
#12
Xiao Li, Ying-Ying Chen, Xiu-Mei Wang, Kai Gao, Yun-Zhou Gao, Jian Cao, Zhuo-Li Zhang, Jing Lei, Zheng-Yu Jin, Yi-Ning Wang
AIM: To investigate the survival of bone marrow mesenchymal stem cells (BMSCs) and the therapeutic effect for acute myocardial infarction (AMI) after co-transplantation with the functionalized self-assembling peptide nanofiber RAD/PRG or RAD/KLT. METHODS: AMI of balb/c mice was induced. Mice were randomly divided into four groups, and received treatment of phosphate buffered saline (PBS) (Group A), GFP/Fluc-BMSCs (Group B), GFP/Fluc-BMSCs + RAD/PRG (Group C), and GFP/Fluc-BMSCs + RAD/KLT (Group D), respectively...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28859292/exosomes-secreted-by-cardiomyocytes-subjected-to-ischaemia-promote-cardiac-angiogenesis
#13
Teresa M Ribeiro-Rodrigues, Tiago L Laundos, Rita Pereira-Carvalho, Daniela Batista-Almeida, Ricardo Pereira, Vanessa Coelho-Santos, Ana P Silva, Rosa Fernandes, Monica Zuzarte, Francisco J Enguita, Marina C Costa, Perpetua Pinto-do-Ó, Marta T Pinto, Pedro Gouveia, Lino Ferreira, Justin C Mason, Paulo Pereira, Brenda R Kwak, Diana S Nascimento, Henrique Girão
Aims: Myocardial infarction (MI) is the leading cause of morbidity and mortality worldwide and results from an obstruction in the blood supply to a region of the heart. In an attempt to replenish oxygen and nutrients to the deprived area, affected cells release signals to promote the development of new vessels and confer protection against MI. However, the mechanisms underlying the growth of new vessels in an ischaemic scenario remain poorly understood. Here, we show that cardiomyocytes subjected to ischaemia release exosomes that elicit an angiogenic response of endothelial cells (ECs)...
September 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28837600/recombinant-human-collagen-based-microspheres-mitigate-cardiac-conduction-slowing-induced-by-adipose-tissue-derived-stromal-cells
#14
Nicoline W Smit, Judith N Ten Sande, Mojtaba Parvizi, Shirley C M van Amersfoorth, Josée A Plantinga, Carolien A F M van Spreuwel-Goossens, Elisabeth M W M van Dongen, Pascal F H M van Dessel, Sebastianus G J M Kluijtmans, Veronique M F Meijborg, Jacques M T de Bakker, Martin C Harmsen, Ruben Coronel
BACKGROUND: Stem cell therapy to improve cardiac function after myocardial infarction is hampered by poor cell retention, while it may also increase the risk of arrhythmias by providing an arrhythmogenic substrate. We previously showed that porcine adipose tissue-derived-stromal cells (pASC) induce conduction slowing through paracrine actions, whereas rat ASC (rASC) and human ASC (hASC) induce conduction slowing by direct coupling. We postulate that biomaterial microspheres mitigate the conduction slowing influence of pASC by interacting with paracrine signaling...
2017: PloS One
https://www.readbyqxmd.com/read/28836732/concise-review-mesenchymal-stem-cells-in-cardiovascular-regeneration-emerging-research-directions-and-clinical-applications
#15
REVIEW
Marcin Majka, Maciej Sułkowski, Bogna Badyra, Piotr Musiałek
Experimental and early clinical data suggest that, due to several unique properties, mesenchymal stem cells (MSCs) may be more effective than other cell types for diseases that are difficult to treat or untreatable. Owing to their ease of isolation and culture as well as their secretory and immunomodulatory abilities, MSCs are the most promising option in the field of cell-based therapies. Although MSCs from various sources share several common characteristics, they also exhibit several important differences...
August 24, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28829419/in-vitro-differentiation-of-human-mesenchymal-stem-cells-into-functional-cardiomyocyte-like-cells
#16
Peter Szaraz, Yarden S Gratch, Farwah Iqbal, Clifford L Librach
Myocardial infarction and the subsequent ischemic cascade result in the extensive loss of cardiomyocytes, leading to congestive heart failure, the leading cause of mortality worldwide. Mesenchymal stem cells (MSCs) are a promising option for cell-based therapies to replace current, invasive techniques. MSCs can differentiate into mesenchymal lineages, including cardiac cell types, but complete differentiation into functional cells has not yet been achieved. Previous methods of differentiation were based on pharmacological agents or growth factors...
August 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28828051/telocytes-a-hope-for-cardiac-repair-after-myocardial-infarction
#17
Ruxandra Dragoi Galrinho, Catalin Gabriel Manole, Dragos Vinereanu
Cardiovascular diseases, particularly myocardial infarction, remain the leading cause of morbidity and mortality worldwide, even though pharmacological and interventional therapies improved significantly in the last years. Moreover, despite encouraging results of cell - based therapies in experimental myocardial infarction models, clinical trials showed inconsistent and modest efficiency. Therefore the next step should be the revealing of a new cell type, capable of regenerating the damaged myocardium. Telocytes (TCs), a relatively new type of interstitial cells, were described few years ago and are credited with important roles in regenerative therapies...
December 2016: Mædica
https://www.readbyqxmd.com/read/28828021/effects-of-endothelial-and-mesenchymal-stem-cells-on-improving-myocardial-function-in-a-sheep-animal-model
#18
Shahram Rabbani, Masoud Soleimani, Mohammad Sahebjam, Mohammad Imani, Seyed Mahdi Nassiri, Amir Atashi, Morteza Daliri Joupari, Ali Ghiaseddin, Mostafa Latifpour, Seyed Hossein Ahmadi Tafti
Background: Myocardial infarction is the main cause of death worldwide. Angiogenesis, a promising new therapy for the treatment of diffuse coronary artery disease, shows a poor response to conventional revascularization techniques. This study focused on improving myocardial function using endothelial cells (ECs) and mesenchymal stem cells (MSCs) in a sheep animal model. Methods: Acute myocardial infarction was induced in 18 sheep (12 treated cases and 6 controls). Autologous MSCs and ECs were injected in the infarcted area and the border zone...
April 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28827731/microrna-7641-is-a-regulator-of-ribosomal-proteins-and-a-promising-targeting-factor-to-improve-the-efficacy-of-cancer-therapy
#19
Abu Musa Md Talimur Reza, Yun-Jung Choi, Yu-Guo Yuan, Joydeep Das, Hideyo Yasuda, Jin-Hoi Kim
Many diseases, including myocardial infarction, autoimmune disease, viral diseases, neurodegenerative diseases, and cancers, are frequently diagnosed with aberrant expression of microRNAs (miRNAs) and their allied pathways. This indicates the crucial role of miRNAs in maintaining biological and physiological processes. miR-7641 is a miRNA whose role in disease has not been fully investigated. In the present study, we investigated the expression pattern of miR-7641 and its target genes in different cancer cells, as well as in clinical cancer patients...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28827151/endothelial-and-cardiac-progenitor-cells-for-cardiovascular-repair-a-controversial-paradigm-in-cell-therapy
#20
REVIEW
Vanessa Bianconi, Amirhossein Sahebkar, Petri Kovanen, Francesco Bagaglia, Biagio Ricciuti, Paolo Calabrò, Giuseppe Patti, Matteo Pirro
Stem cells have the potential to differentiate into cardiovascular cell lineages and to stimulate tissue regeneration in a paracrine/autocrine manner; thus, they have been extensively studied as candidate cell sources for cardiovascular regeneration. Several preclinical and clinical studies addressing the therapeutic potential of endothelial progenitor cells (EPCs) and cardiac progenitor cells (CPCs) in cardiovascular diseases have been performed. For instance, autologous EPC transplantation and EPC mobilization through pharmacological agents contributed to vascular repair and neovascularization in different animal models of limb ischemia and myocardial infarction...
August 18, 2017: Pharmacology & Therapeutics
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