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Mesenchymal stem cell AND heart

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https://www.readbyqxmd.com/read/28332363/optimal-dose-and-timing-of-umbilical-stem-cells-treatment-in-pulmonary-arterial-hypertensive-rats
#1
Hyeryon Lee, Kwan Chang Kim, Soo Jin Choi, Young Mi Hong
PURPOSE: Pulmonary arterial hypertension (PAH) is a fatal disease which is characterized by an increase in pulmonary arterial pressure leading to increases in right ventricular afterload. Human umbilical cord blood derived-mesenchymal stem cells (hUCB-MSCs) administered via the jugular vein have been previously shown to improve PAH by reversal treatment. However, the effect of low dosage and transfusion timing of hUCB-MSCs on PAH has not yet been clearly established. Obviously, low dosage treatment can lead to a reduction in costs...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28322445/transplantation-of-mesenchymal-stem-cells-overexpressing-il10-attenuates-cardiac-impairments-in-rats-with-myocardial-infarction
#2
Xin Meng, Jianping Li, Ming Yu, Jian Yang, Minjuan Zheng, Jinzhou Zhang, Chao Sun, Hongliang Liang, Liwen Liu
Mesenchymal stem cell (MSC) has been well known to exert therapeutic potential for patients with myocardial infarction (MI). In addition, interleukin-10 (IL10) could attenuate MI through suppressing inflammation. Thus, the combination of MSC implantation with IL10 delivery may extend health benefits to ameliorate cardiac injury after MI. Here we established overexpression of IL10 in bone marrow-derived MSC through adenoviral transduction. Cell viability, apoptosis and IL10 secretion under ischemic challenge in vitro were examined...
March 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28295048/cardiac-repair-in-a-mouse-model-of-acute-myocardial-infarction-with-trophoblast-stem-cells
#3
Guannan Li, Jianzhou Chen, Xinlin Zhang, Guixin He, Wei Tan, Han Wu, Ran Li, Yuhan Chen, Rong Gu, Jun Xie, Biao Xu
Various stem cells have been explored for the purpose of cardiac repair. However, any individual stem cell population has not been considered as the ideal source. Recently, trophoblast stem cells (TSCs), a newly described stem cell type, have demonstrated extensive plasticity. The present study evaluated the therapeutic effect of TSCs transplantation for heart regeneration in a mouse model of myocardial infarction (MI) and made a direct comparison with the most commonly used mesenchymal stem cells (MSCs). Transplantation of TSCs and MSCs led to a remarkably improved cardiac function in contrast with the PBS control, but only the TSCs exhibited the potential of differentiation into cardiomyocytes in vivo...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286014/proteomics-based-network-analysis-characterizes-biological-processes-and-pathways-activated-by-preconditioned-mesenchymal-stem-cells-in-cardiac-repair-mechanisms
#4
Dario Di Silvestre, Francesca Brambilla, Giovanni Scardoni, Pietro Brunetti, Sara Motta, Marco Matteucci, Carlo Laudanna, Fabio A Recchia, Vincenzo Lionetti, Pierluigi Mauri
BACKGROUND: We have demonstrated that intramyocardial delivery of human mesenchymal stem cells preconditioned with a hyaluronan mixed ester of butyric and retinoic acid (MSCp(+)) is more effective in preventing the decay of regional myocardial contractility in a swine model of myocardial infarction (MI). However, the understanding of the role of MSCp(+) in proteomic remodeling of cardiac infarcted tissue is not complete. We therefore sought to perform a comprehensive analysis of the proteome of infarct remote (RZ) and border zone (BZ) of pigs treated with MSCp(+) or unconditioned stem cells...
March 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28284757/c-kit-positive-cardiac-stem-cells-and-bone-marrow-derived-mesenchymal-stem-cells-synergistically-enhance-angiogenesis-and-improve-cardiac-function-after-myocardial-infarction-in-a-paracrine-manner
#5
Luer Bao, Qingshu Meng, Yuan Li, Shengqiong Deng, Zuoren Yu, Zhongmin Liu, Lin Zhang, Huimin Fan
BACKGROUND: Stem cell transplantation offers a promising treatment for heart failure. Recent studies show that both c-kit positive cardiac stem cells (CSCs) and bone marrow-derived mesenchymal stem cells (BM-MSCs) are good candidates for stem cell therapy to treat heart failure. However, the exact mechanism of stem cell therapy in improving cardiac function of ischemic cardiomyopathy is not fully known. Our objective was to test our hypothesis that CSCs and/or BM-MSCs repair the damaged heart by boosting post-myocardial infarction (MI) angiogenesis in a paracrine manner...
March 8, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28252842/effects-of-transendocardial-stem-cell-injection-on-ventricular-proarrhythmia-in-patients-with-ischemic-cardiomyopathy-results-from-the-poseidon-and-tac-hft-trials
#6
Archana Ramireddy, Chad R Brodt, Adam M Mendizabal, Darcy L DiFede, Chris Healy, Vishal Goyal, Yahya Alansari, James O Coffey, Juan F Viles-Gonzalez, Alan W Heldman, Jeffrey J Goldberger, Robert J Myerburg, Joshua M Hare, Raul D Mitrani
Transendocardial stem cell injection in patients with ischemic cardiomyopathy (ICM) improves left ventricular function and structure but has ill-defined effects on ventricular arrhythmias. We hypothesized that mesenchymal stem cell (MSC) implantation is not proarrhythmic. Post hoc analyses were performed on ambulatory ECGs collected from the POSEIDON and TAC-HFT trials. Eighty-eight subjects (mean age 61 ± 10 years) with ICM (mean EF 32.2% ± 9.8%) received treatment with MSC (n = 48), Placebo (n = 21), or bone marrow mononuclear cells (BMC) (n = 19)...
March 2, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28252221/bone-marrow-derived-mesenchymal-stem-cells-mediated-protection-against-organ-dysfunction-in-disseminated-intravascular-coagulation-is-associated-with-peripheral-immune-responses
#7
Biao Wang, Shuming Wu, Tao Wang, Zengshan Ma, Kai Liu
Disseminated intravascular coagulation (DIC) is a fatal thrombohemorrhagic disorder. Bone marrow-derived mesenchymal stem cells (BMSCs) are multipotent stem cells that have tremendous therapeutic effect. Our aim was to explore whether the immune mechanisms were associated with BMSCs-afforded protection against DIC. We generated a rat model of DIC by lipopolysaccharide (LPS, 3 mg/kg) injection via the tail vein. In the treatment group, rats were pre-treated with 1 × l0(3) , 1 × l0(4) , 1 × l0(5) and 1 × l0(6) allogeneic BMSCs before LPS injection...
March 2, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28249798/mesenchymal-stem-cells-derived-extracellular-vesicles-via-mir-210-improve-infarcted-cardiac-function-by-promotion-of-angiogenesis
#8
Na Wang, Caiyu Chen, Dezhong Yang, Qiao Liao, Hao Luo, Xinquan Wang, Faying Zhou, Xiaoli Yang, Jian Yang, Chunyu Zeng, Wei Eric Wang
Mesenchymal stem cells (MSCs) exert therapeutic effect on treating acute myocardial infarction. Recent evidence showed that paracrine function rather than direct differentiation predominately contributes to the beneficial effects of MSCs, but how the paracrine factors function are not fully elucidated. In the present study, we tested if extracellular vesicles (EVs) secreted by MSC promotes angiogenesis in infracted heart via microRNAs. Immunostaining of CD31 and matrigel plug assay were performed to detect angiogenesis in a mouse myocardial infarction (MI) model...
February 27, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28231436/myocardial-homing-of-mesenchymal-stem-cells-following-intrapericardial-application-and-amplification-by-inflammation-an-experimental-pilot-study
#9
Nina Jung, Heinz Rupp, Rembert Koczulla, Claus Vogelmeier, Peter Alter
Recent studies demonstrated potential effects of stem cells on cardiac function in heart failure. However, influences of the technique of application remained undetermined. In the present study, the pericardial sac was used as depot for fluorescent-labeled mesenchymal stem cells in rats. To evaluate influences of inflammation on cell homing, a sterile pericarditis was induced by talc. It is shown that intrapericardial stem cells application is sufficient to provide myocardial penetration. The extent of homing was amplified by inflammation in a talc-induced pericarditis...
February 23, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28203568/mirna-sequence-indicates-that-mesenchymal-stem-cells-and-exosomes-have-similar-mechanism-to-enhance-cardiac-repair
#10
Lianbo Shao, Yu Zhang, Beibei Lan, Juanjuan Wang, Zhiwei Zhang, Lulu Zhang, Pengli Xiao, Qingyou Meng, Yong-Jian Geng, Xi-Yong Yu, Yangxin Li
Mesenchymal stem cells (MSCs) repair infarcted heart through paracrine mechanism. We sought to compare the effectiveness of MSCs and MSC-derived exosomes (MSC-Exo) in repairing infarcted hearts and to identify how MSC-Exo mediated cardiac repair is regulated. In a rat myocardial infarction model, we found that MSC-Exo inhibited cardiac fibrosis, inflammation, and improved cardiac function. The beneficial effects of MSC-Exo were significantly superior compared to that of MSCs. To explore the potential mechanisms underlying MSC-Exo's effects, we performed several in vitro experiments and miRNA-sequence analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28202059/cardiosphere-derived-cells-do-not-improve-cardiac-function-in-rats-with-cardiac-failure
#11
Taís Hanae Kasai-Brunswick, Andréa Rodrigues da Costa, Raiana Andrade Quintanilha Barbosa, Bruna Farjun, Fernanda Cristina Paccola Mesquita, Danúbia Silva Dos Santos, Isalira Peroba Ramos, Grazielle Suhett, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, José Oscar R Brito, Juliana do Amaral Passipieri, Adriana Bastos Carvalho, Antonio Carlos Campos de Carvalho
BACKGROUND: Heart failure represents an important public health issue due to its high costs and growing incidence worldwide. Evidence showing the regenerative potential of postmitotic heart tissue has suggested the existence of endogenous cardiac stem cells in adult hearts. Cardiosphere-derived cells (CDC) constitute a candidate pool of such cardiac stem cells. Previous studies using acute myocardial infarction (MI) models in rodents demonstrated an improvement in cardiac function after cell therapy with CDC...
February 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28190794/a-randomized-comparative-study-on-the-efficacy-of-intracoronary-infusion-of-autologous-bone-marrow-mononuclear-cells-and-mesenchymal-stem-cells-in-patients-with-dilated-cardiomyopathy
#12
Wentao Xiao, Suping Guo, Chuanyu Gao, Guoyou Dai, Yongjv Gao, Muwei Li, Xianpei Wang, Dayi Hu
Stem cell therapy has shown therapeutic benefit in dilated cardiomyopathy (DCM), but doubt remains about the most appropriate stem cell subpopulation. The current study compared the efficacy of intracoronary administration of bone marrow mononuclear cells (BMMC) or mesenchymal stem cells (BMSC) in patients with DCM.Fifty-three patients with DCM and reduced (< 40%) left ventricular ejection fraction (LVEF), were randomized to intracoronary infusion of BMMC (BMMC group, n = 16) or BMSC (BMSC group, n = 17) or equal volume normal saline (CTRL group, n = 20)...
February 13, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28186704/mesenchymal-stromal-cells-modulate-monocytes-trafficking-in-coxsackievirus-b3-induced-myocarditis
#13
Kapka Miteva, Kathleen Pappritz, Muhammad El-Shafeey, Fengquan Dong, Jochen Ringe, Carsten Tschöpe, Sophie Van Linthout
Mesenchymal stromal cell (MSC) application in Coxsackievirus B3 (CVB3)-induced myocarditis reduces myocardial inflammation and fibrosis, exerts prominent extra-cardiac immunomodulation, and improves heart function. Although the abovementioned findings demonstrate the benefit of MSC application, the mechanism of the MSC immunomodulatory effects leading to a final cardioprotective outcome in viral myocarditis remains poorly understood. Monocytes are known to be a trigger of myocardial tissue inflammation. The present study aims at investigating the direct effect of MSC on the mobilization and trafficking of monocytes to the heart in CVB3-induced myocarditis...
January 3, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28186692/targeted-genome-engineering-to-control-vegf-expression-in-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-potential-implications-for-the-treatment-of-myocardial-infarction
#14
Hyun-Min Cho, Pyung-Hwan Kim, Hyun-Kyung Chang, Yi-Ming Shen, Kwaku Bonsra, Byung-Jae Kang, Soo-Young Yum, Joo-Hyun Kim, So-Yeong Lee, Min-Cheol Choi, Hyongbum Henry Kim, Goo Jang, Je-Yoel Cho
Human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) exhibit potency for the regeneration of infarcted hearts. Vascular endothelial growth factor (VEGF) is capable of inducing angiogenesis and can boost stem cell-based therapeutic effects. However, high levels of VEGF can cause abnormal blood vessel growth and hemangiomas. Thus, a controllable system to induce therapeutic levels of VEGF is required for cell therapy. We generated an inducible VEGF-secreting stem cell (VEGF/hUCB-MSC) that controls the expression of VEGF and tested the therapeutic efficacy in rat myocardial infarction (MI) model to apply functional stem cells to MI...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28182332/challenging-the-great-vascular-wall-can-we-envision-a-simple-yet-comprehensive-therapy-for-stroke
#15
Marta Machado-Pereira, Tiago Santos, Lino Ferreira, Liliana Bernardino, Raquel Ferreira
Stroke is a leading cause of death in adult life, closely behind ischemic heart disease, and causes a significant and abiding socioeconomic burden. However, current therapies are not able to ensure full neurologic and/or sequelae-free recovery to all stroke survivors. We believe treatment efficacy and patient rehabilitation could be enhanced significantly by targeting blood-brain barrier (BBB) deregulation and inflammation-induced barrier loss occurring after stroke. In this pathological context, bone marrow-derived endothelial progenitor cells (EPC) enter the bloodstream towards the lesion site but their insufficient numbers and impaired angiogenic ability compromise neurovascular regeneration...
February 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28156084/bone-marrow-derived-mesenchymal-stem-cell-loaded-fibrin-patches-act-as-a-reservoir-of-paracrine-factors-in-chronic-myocardial-infarction
#16
Eléonore Blondiaux, Laetitia Pidial, Gwennhael Autret, Gabriel Rahmi, Daniel Balvay, Etienne Audureau, Claire Wilhelm, Coralie L Guerin, Patrick Bruneval, Jean-Sébastien Silvestre, Philippe Menasché, Olivier Clément
The combination of mesenchymal stem cells and tissue-engineered fibrin patches improves the therapeutic efficacy of stem cells. In vivo cardiac magnetic resonance (4.7 Tesla) and ex vivo high-spatial resolution CMR were used to track the fate of human bone marrow-derived mesenchymal stem cell (BMSC) delivered on an epicardial scaffold and more specifically assess their potential intramyocardial migration. Fifty-seven nude rats underwent permanent coronary artery ligation. Two months later, those with a left ventricular ejection fraction ≤55% were randomly allocated to receive a patch loaded with human BMSC (BMSC-P, n = 10), a patch loaded with BMSCs labelled with iron oxide nanoparticles (BMSC*-P, n = 12), an acellular patch (A-P, n = 8) or to serve as sham-operated animals (SHAM, n = 7)...
February 3, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28099883/beta2-adrenergic-signaling-affects-the-phenotype-of-human-cardiac-progenitor-cells-through-emt-modulation
#17
Francesca Pagano, Francesco Angelini, Camilla Siciliano, Julia Tasciotti, Giorgio Mangino, Elena De Falco, Roberto Carnevale, Sebastiano Sciarretta, Giacomo Frati, Isotta Chimenti
Human cardiac progenitor cells (CPCs) offer great promises to cardiac cell therapy for heart failure. Many in vivo studies have shown their therapeutic benefits, paving the way for clinical translation. The 3D model of cardiospheres (CSs) represents a unique niche-like in vitro microenvironment, which includes CPCs and supporting cells. CSs have been shown to form through a process mediated by epithelial-to-mesenchymal transition (EMT). β2-Adrenergic signaling significantly affects stem/progenitor cells activation and mobilization in multiple tissues, and crosstalk between β2-adrenergic signaling and EMT processes has been reported...
January 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28079892/hif-2%C3%AE-and-oct4-have-synergistic-effects-on-survival-and-myocardial-repair-of-very-small-embryonic-like-mesenchymal-stem-cells-in-infarcted-hearts
#18
Shaoheng Zhang, Lan Zhao, Jiahong Wang, Nannan Chen, Jian Yan, Xin Pan
Poor cell survival and limited functional benefits have restricted mesenchymal stem cell (MSC) efficacy for treating myocardial infarction (MI), suggesting that a better understanding of stem cell biology is needed. The transcription factor HIF-2α is an essential regulator of the transcriptional response to hypoxia, which can interact with embryonic stem cells (ESCs) transcription factor Oct4 and modulate its signaling. Here, we obtained very small embryonic-like mesenchymal stem cells (vselMSCs) from MI patients, which possessed the very small embryonic-like stem cells' (VSELs) morphology as well as ESCs' pluripotency...
January 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28042320/heparin-improves-bmsc-cell-therapy-anticoagulant-treatment-by-heparin-improves-the-safety-and-therapeutic-effect-of-bone-marrow-derived-mesenchymal-stem-cell-cytotherapy
#19
Li Liao, Bingzheng Shi, Heran Chang, Xiaoxia Su, Lichao Zhang, Chunsheng Bi, Yi Shuai, Xiaoyan Du, Zhihong Deng, Yan Jin
Systemic infusion of bone marrow-derived mesenchymal stem cells (BMSCs) has become a promising strategy for disease treatment and tissue regeneration. Strategies to enhance the efficiency of BMSC cell therapy are crucial to promote its clinical application. Here, we aimed to improve BMSC cell therapy by inhibiting the BMSC-induced coagulation reaction. Intravenous injection of gradient BMSCs into mice showed that BMSCs were not fully compatible with blood. Large doses of BMSCs induced a series of symptoms of respiratory failure and heart failure...
2017: Theranostics
https://www.readbyqxmd.com/read/28039940/epac-rap1-activated-mesenchymal-stem-cells-improve-cardiac-function%C3%A2-in-rat-model-of-myocardial-infarction
#20
Irfan Khan, Anwar Ali, Muhammad Aleem Akhter, Nadia Naeem, Maqsood Ahmed Chotani, Hana'a Iqbal, Nurul Kabir, Mehnaz Atiq, Asmat Salim
INTRODUCTION: Rap1, a member of Ras superfamily of small GTP-binding proteins, is involved in cardiovascular biology in numerous ways. It is an evolutionary conserved regulator of adhesion, polarity, differentiation and growth. AIMS: Our aim was to analyze Rap1 activated rat bone marrow mesenchymal stem cells (MSCs) for their potential role in adhesion and cardiac differentiation. METHODS: Myocardial infarction (MI) was produced in Sprague Dawley (SD) rats through occlusion of the left anterior descending coronary artery...
December 31, 2016: Cardiovascular Therapeutics
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