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Cardiosphere derived cell

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https://www.readbyqxmd.com/read/29600288/diffusion-tensor-cardiac-magnetic-resonance-reveals-exosomes-from-cardiosphere-derived-cells-preserve-myocardial-fiber-architecture-after-myocardial-infarction
#1
Christopher T Nguyen, James Dawkins, Xiaoming Bi, Eduardo Marbán, Debiao Li
The object of the study was to reveal the fiber microstructural response with diffusion tensor cardiac magnetic resonance after intramyocardial exosomes secreted by cardiosphere-derived cells (CDCEXO ) in chronic porcine myocardial infarction. Porcine with myocardial infarction underwent intramyocardial delivery of human CDCEXO and placebo in a randomized placebo-controlled study. Four weeks after injection, viability improved in the CDCEXO group, whereas myocardial fiber architecture and cardiac function were preserved...
February 2018: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/29599273/cell-based-therapy-with-cardiosphere-derived-cardiocytes-a-new-hope-for-pediatric-patients-with-single-ventricle-congenital-heart-disease
#2
EDITORIAL
Sitaram M Emani, Pedro J Del Nido
No abstract text is available yet for this article.
March 30, 2018: Circulation Research
https://www.readbyqxmd.com/read/29566045/tgf-%C3%AE-1-cd105-signaling-controls-vascular-network-formation-within-growth-factor-sequestering-hyaluronic-acid-hydrogels
#3
Shane Browne, Amit K Jha, Kurosh Ameri, Sivan G Marcus, Yerem Yeghiazarians, Kevin E Healy
Cell-based strategies for the treatment of ischemic diseases are at the forefront of tissue engineering and regenerative medicine. Cell therapies purportedly can play a key role in the neovascularization of ischemic tissue; however, low survival and poor cell engraftment with the host vasculature following implantation limits their potential to treat ischemic diseases. To overcome these limitations, we previously developed a growth factor sequestering hyaluronic acid (HyA)-based hydrogel that enhanced transplanted mouse cardiosphere-derived cell survival and formation of vasculature that anastomosed with host vessels...
2018: PloS One
https://www.readbyqxmd.com/read/29520378/cardiosphere-derived-cells-demonstrate-metabolic-flexibility-that-is-influenced-by-adhesion-status
#4
Junaid Afzal, Angel Chan, Mehmet Fatih Karakas, Kirubel Woldemichael, Styliani Vakrou, Yufan Guan, Jeffrey Rathmell, Richard Wahl, Martin Pomper, D Brian Foster, Miguel A Aon, Benjamin Tsui, Brian O'Rourke, M Roselle Abraham
Adult stem cells demonstrate metabolic flexibility that is regulated by cell adhesion status. The authors demonstrate that adherent cells primarily utilize glycolysis, whereas suspended cells rely on oxidative phosphorylation for their ATP needs. Akt phosphorylation transduces adhesion-mediated regulation of energy metabolism, by regulating translocation of glucose transporters (GLUT1) to the cell membrane and thus, cellular glucose uptake and glycolysis. Cell dissociation, a pre-requisite for cell transplantation, leads to energetic stress, which is mediated by Akt dephosphorylation, downregulation of glucose uptake, and glycolysis...
October 2017: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/29478899/exosome-mediated-benefits-of-cell-therapy-in-mouse-and-human-models-of-duchenne-muscular-dystrophy
#5
Mark A Aminzadeh, Russell G Rogers, Mario Fournier, Rachel E Tobin, Xuan Guan, Martin K Childers, Allen M Andres, David J Taylor, Ahmed Ibrahim, Xiangming Ding, Angelo Torrente, Joshua M Goldhaber, Michael Lewis, Roberta A Gottlieb, Ronald A Victor, Eduardo Marbán
Genetic deficiency of dystrophin leads to disability and premature death in Duchenne muscular dystrophy (DMD), affecting the heart as well as skeletal muscle. Here, we report that clinical-stage cardiac progenitor cells, known as cardiosphere-derived cells (CDCs), improve cardiac and skeletal myopathy in the mdx mouse model of DMD. Injection of CDCs into the hearts of mdx mice augments cardiac function, ambulatory capacity, and survival. Exosomes secreted by human CDCs reproduce the benefits of CDCs in mdx mice and in human induced pluripotent stem cell-derived Duchenne cardiomyocytes...
March 13, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29367212/impact-of-cardiac-progenitor-cells-on-heart-failure-and-survival-in-single-ventricle-congenital-heart-disease
#6
Toshikazu Sano, Daiki Ousaka, Takuya Goto, Shuta Ishigami, Kenta Hirai, Shingo Kasahara, Shinichi Ohtsuki, Shunji Sano, Hidemasa Oh
RATIONALE: Intracoronary administration of cardiosphere-derived cells (CDCs) in patients with single ventricles resulted in a short-term improvement in cardiac function. OBJECTIVE: To test the hypothesis that CDC infusion is associated with improved cardiac function and reduced mortality in patients with heart failure. METHODS AND RESULTS: We evaluated the effectiveness of CDCs using an integrated cohort study in 101 patients with single ventricles, including 41 patients who received CDC infusion and 60 controls treated with staged palliation alone...
March 30, 2018: Circulation Research
https://www.readbyqxmd.com/read/29245929/harnessing-the-heart-s-resistance-to-malignant-tumors-cardiac-derived-extracellular-vesicles-decrease-fibrosarcoma-growth-and-leukemia-related-mortality-in-rodents
#7
Lilian Grigorian-Shamagian, Soraya Fereydooni, Weixin Liu, Antonio Echavez, Eduardo Marbán
The heart is known for its resistance to cancer. Although different conjectures have been proposed to explain this phenomenon, none has been tested. We propose that the heart microenvironment may exert anti-cancer properties. So, our objective was to test the anti-oncogenic potential of cardiac-derived extracellular vesicles (EVs). For that EVs secreted by cardiosphere-derived cells (CDCs, heart progenitor cells) were tested in vitro on fibrosarcoma HT1080. In vivo models comprised the xenograft HT1080 fibrosarcoma in athymic mice (n=35), and spontaneous acute lymphocyte leukemia in old rats (n=44)...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29243842/exosomes-secreted-by-hypoxic-cardiosphere-derived-cells-enhance-tube-formation-and-increase-pro-angiogenic-mirna
#8
Helia Namazi, Elham Mohit, Iman Namazi, Sarah Rajabi, Azam Samadian, Ensiyeh Hajizadeh-Saffar, Nasser Aghdami, Hossein Baharvand
Exosomes are required for the regenerative effects of human cardiosphere-derived cells (CDCs). Studies show that they mimic the cardioprotective benefits of CDCs in rodents and porcine myocardial infarction (MI) models. Hypoxic preconditioning of stem cells increases the cardioprotective effects of exosomes in MI models by enhancing angiogenesis. Several exosomal microRNAs (miRNAs) up-regulate in response to hypoxia and play a role in cardioprotective and pro-angiogenic effects. In this study, we have demonstrated that human CDCs secreted exosomes under hypoxic conditions (1% O2 for 2 days) enhanced tube formation by human umbilical vein endothelial cells (HUVECs) at a concentration of 25 µg/mL...
December 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29206745/cardiosphere-derived-cells-and-ischemic-heart-failure
#9
Carmel Ashur, William H Frishman
After a myocardial infarction, heart tissue becomes irreversibly damaged, leading to scar formation and inevitably ischemic heart failure. Of the many available interventions after a myocardial infarction, such as percutaneous intervention or pharmacological optimization, none can reverse the ischemic insult on the heart and restore cardiac function. Thus, the only available cure for patients with scarred myocardium is allogeneic heart transplantation, which comes with extensive costs, risks, and complications...
January 2018: Cardiology in Review
https://www.readbyqxmd.com/read/29190771/synergistic-role-of-5-azacytidine-and-ascorbic-acid-in-directing-cardiosphere-derived-cells-to-cardiomyocytes-in-vitro-by-downregulating-wnt-signaling-pathway-via-phosphorylation-of-%C3%AE-catenin
#10
Reddy Sailaja Mundre, Pavani Koka, Prakash Dhanaraj, Nitin Khatri, Sanjana Vig, Yamini Chandramohan, Anuradha Dhanasekaran
BACKGROUND: Cardiosphere derived cells (CDCs) represent a valuable source in stem cell based therapy for cardiovascular diseases, yet poor differentiation rate hinders the transplantation efficiency. The aim of this study is to check the ability of 5-Azacytidine (Aza) alone and in combination with ascorbic acid (Aza+AA) in delineating CDCs to cardiomyogenesis and the underlying Wnt signaling mechanism in induced differentiation. METHODS: CDCs were treated with Aza and Aza+AA for a period of 14 days to examine the expression of cardiac specific markers and Wnt downstream regulators by immunofluorescence, real time PCR and western blot...
2017: PloS One
https://www.readbyqxmd.com/read/29104594/sex-differences-of-human-cardiac-progenitor-cells-in-the-biological-response-to-tnf-%C3%AE-treatment
#11
Elisabetta Straface, Lucrezia Gambardella, Francesca Pagano, Francesco Angelini, Barbara Ascione, Rosa Vona, Elena De Falco, Elena Cavarretta, Raffaele La Russa, Walter Malorni, Giacomo Frati, Isotta Chimenti
Adult cardiac progenitor cells (CPCs), isolated as cardiosphere-derived cells (CDCs), represent promising candidates for cardiac regenerative therapy. CDCs can be expanded in vitro manyfolds without losing their differentiation potential, reaching numbers that are appropriate for clinical applications. Since mechanisms of successful CDC survival and engraftment in the damaged myocardium are still critical and unresolved issues, we aimed at deciphering possible key factors capable of bolstering CDC function...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29020403/cardiac-and-systemic-rejuvenation-after-cardiosphere-derived-cell-therapy-in-senescent-rats
#12
Lilian Grigorian-Shamagian, Weixin Liu, Soraya Fereydooni, Ryan C Middleton, Jackelyn Valle, Jae Hyung Cho, Eduardo Marbán
Aim: The aim is to assess the effects of CDCs on heart structure, function, gene expression, and systemic parameters in aged rats. Diastolic dysfunction is characteristic of aged hearts. Cardiosphere-derived cell (CDC) therapy has exhibited several favourable effects on heart structure and function in humans and in preclinical models; however, the effects of CDCs on aging have not been evaluated. Methods and Results: We compared intra-cardiac injections of neonatal rat CDCs to vehicle (phosphate-buffered saline, PBS) in 21...
October 14, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29016556/the-current-status-and-future-of-cardiac-stem-progenitor-cell-therapy-for-congenital-heart-defects-from-diabetic-pregnancy
#13
REVIEW
Jianxiang Zhong, Shengbing Wang, Wei-Bin Shen, Sunjay Kaushal, Peixin Yang
Pregestational maternal diabetes induces congenital heart defects (CHDs). Cardiac dysfunction after palliative surgical procedures contributes to the high mortality of CHD patients. Autologous or allogeneic stem cell therapies are effective for improving cardiac function in animal models and clinical trials. c-kit+ cardiac progenitor cells (CPCs), the most recognized CPCs, have the following basic properties of stem cells: self-renewal, multicellular clone formation, and differentiation into multiple cardiac lineages...
January 2018: Pediatric Research
https://www.readbyqxmd.com/read/28857080/cardioprotection-anti-ageing-effects-of-cardiosphere-derived-cells
#14
Irene Fernández-Ruiz
No abstract text is available yet for this article.
August 31, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28837618/therapeutic-benefits-of-intravenous-cardiosphere-derived-cell-therapy-in-rats-with-pulmonary-hypertension
#15
Ryan C Middleton, Mario Fournier, Xuan Xu, Eduardo Marbán, Michael I Lewis
Pulmonary arterial hypertension (PAH) is a progressive condition characterized by occlusive pulmonary arteriopathy, in which survival remains poor despite pharmacologic advances. The aim of this study was to evaluate the ability of cardiosphere-derived cells (CDCs), cardiac progenitor cells with potent anti-inflammatory and immunomodulatory properties, to attenuate hemodynamic and morphometric remodeling of the right ventricle (RV) and pulmonary arterioles in rats with established monocrotaline (MCT)-induced PAH...
2017: PloS One
https://www.readbyqxmd.com/read/28834400/cryopreservation-of-canine-cardiosphere-derived-cells-implications-for-clinical-application
#16
Luke C Dutton, Sophie A V Church, Hannah Hodgkiss-Geere, Brian Catchpole, Anthony Huggins, Jayesh Dudhia, David J Connolly
The clinical application of cardiosphere-derived cells (CDCs) to treat cardiac disease has gained increasing interest over the past decade. Recent clinical trials confirm their regenerative capabilities, although much remains to be elucidated about their basic biology. To develop this new treatment modality, in a cost effective and standardized workflow, necessitates the creation of cryopreserved cell lines to facilitate access for cardiac patients requiring urgent therapy. Cryopreservation may however lead to alterations in cell behavior and potency...
August 22, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28815002/a-comprehensive-method-for-identification-of-suitable-reference-genes-in-extracellular-vesicles
#17
Kenneth Gouin, Kiel Peck, Travis Antes, Jennifer Leigh Johnson, Chang Li, Sharon Denise Vaturi, Ryan Middleton, Geoff de Couto, Ann-Sophie Walravens, Luis Rodriguez-Borlado, Rachel Ruckdeschel Smith, Linda Marbán, Eduardo Marbán, Ahmed Gamal-Eldin Ibrahim
Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) is one of the most sensitive, economical and widely used methods for evaluating gene expression. However, the utility of this method continues to be undermined by a number of challenges including normalization using appropriate reference genes. The need to develop tailored and effective strategies is further underscored by the burgeoning field of extracellular vesicle (EV) biology. EVs contain unique signatures of small RNAs including microRNAs (miRs)...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28740514/normal-versus-pathological-cardiac-fibroblast-derived-extracellular-matrix-differentially-modulates-cardiosphere-derived-cell-paracrine-properties-and-commitment
#18
Francesca Pagano, Francesco Angelini, Clotilde Castaldo, Vittorio Picchio, Elisa Messina, Sebastiano Sciarretta, Ciro Maiello, Giuseppe Biondi-Zoccai, Giacomo Frati, Franca di Meglio, Daria Nurzynska, Isotta Chimenti
Human resident cardiac progenitor cells (CPCs) isolated as cardiosphere-derived cells (CDCs) are under clinical evaluation as a therapeutic product for cardiac regenerative medicine. Unfortunately, limited engraftment and differentiation potential of transplanted cells significantly hamper therapeutic success. Moreover, maladaptive remodelling of the extracellular matrix (ECM) during heart failure progression provides impaired biological and mechanical signals to cardiac cells, including CPCs. In this study, we aimed at investigating the differential effect on the phenotype of human CDCs of cardiac fibroblast-derived ECM substrates from healthy or diseased hearts, named, respectively, normal or pathological cardiogel (CG-N/P)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28722223/the-role-of-%C3%AE-adrenergic-receptors-and-p38mapk-signaling-pathways-in-physiological-processes-of-cardiosphere-derived-cells
#19
Wen-Bo Zhang, Yun-Qi Liu, Xi Zhang, Lin Lin, Sheng-Li Yin
The effects of β adrenergic receptors (β-ARs) and p38 mitogen-activated protein kinases (MAPK) pathways on cardiosphere-derived cells (CDCs) are largely unknown. This study aimed to investigate the roles of β-ARs and p38MAPK pathways on the proliferation, apoptosis, and differentiation capacity of CDCs. The CDCs were treated with β1-AR blocker (Met group), β2-AR antagonist (ICI group), and p38MAPK inhibitor (SB group), non-selective β-AR blocker (PRO group), and β-AR agonist (ISO group). The viability, apoptotic rate and differentiation status of CDCs were determined by MST-1 assay, flow cytometery, and Western blot, respectively...
January 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28674094/is-cardioprotection-dead
#20
REVIEW
David J Lefer, Eduardo Marbán
For >4 decades, the holy grail in the treatment of acute myocardial infarction has been the mitigation of lethal injury. Despite promising initial results and decades of investigation by the cardiology research community, the only treatment with proven efficacy is early reperfusion of the occluded coronary artery. The remarkable record of failure has led us and others to wonder if cardioprotection is dead. The path to translation, like the ascent to Everest, is certainly littered with corpses. We do, however, highlight a therapeutic principle that provides a glimmer of hope: cellular postconditioning...
July 4, 2017: Circulation
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