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Mesenchymal stem cell AND heart

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https://www.readbyqxmd.com/read/28543396/functional-and-structural-assessment-of-the-effect-of-human-umbilical-cord-blood-mesenchymal-stem-cells-in-doxorubicin-induced-cardiotoxicity
#1
Somia H Abd Allah, Samia Hussein, Mai M Hasan, Raghda H A Deraz, Wafaa F Hussein, Laila M E Sabik
Cardiomyopathy induced by doxorubicin (DOX) was recognized at an early stage and also several years after drug administration. Mesenchymal stem cells (MSCs) have many properties that make them suitable for preventive and/ or regenerative therapies. In this study, we evaluated the effect of MSCs in the functional and the structural improvement of DOX-induced cardiomyopathy in rats. Ninety adult male albino rats were randomly divided into three equal groups of thirty rats each: Group I (control): rats received normal saline...
May 25, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28541271/protein-altering-and-regulatory-genetic-variants-near-gata4-implicated-in-bicuspid-aortic-valve
#2
Bo Yang, Wei Zhou, Jiao Jiao, Jonas B Nielsen, Michael R Mathis, Mahyar Heydarpour, Guillaume Lettre, Lasse Folkersen, Siddharth Prakash, Claudia Schurmann, Lars Fritsche, Gregory A Farnum, Maoxuan Lin, Mohammad Othman, Whitney Hornsby, Anisa Driscoll, Alexandra Levasseur, Marc Thomas, Linda Farhat, Marie-Pierre Dubé, Eric M Isselbacher, Anders Franco-Cereceda, Dong-Chuan Guo, Erwin P Bottinger, G Michael Deeb, Anna Booher, Sachin Kheterpal, Y Eugene Chen, Hyun Min Kang, Jacob Kitzman, Heather J Cordell, Bernard D Keavney, Judith A Goodship, Santhi K Ganesh, Gonçalo Abecasis, Kim A Eagle, Alan P Boyle, Ruth J F Loos, Per Eriksson, Jean-Claude Tardif, Chad M Brummett, Dianna M Milewicz, Simon C Body, Cristen J Willer
Bicuspid aortic valve (BAV) is a heritable congenital heart defect and an important risk factor for valvulopathy and aortopathy. Here we report a genome-wide association scan of 466 BAV cases and 4,660 age, sex and ethnicity-matched controls with replication in up to 1,326 cases and 8,103 controls. We identify association with a noncoding variant 151 kb from the gene encoding the cardiac-specific transcription factor, GATA4, and near-significance for p.Ser377Gly in GATA4. GATA4 was interrupted by CRISPR-Cas9 in induced pluripotent stem cells from healthy donors...
May 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28540184/detection-of-intramyocardially-injected-dir-labeled-mesenchymal-stem-cells-by-optical-and-optoacoustic-tomography
#3
Markus T Berninger, Pouyan Mohajerani, Moritz Wildgruber, Nicolas Beziere, Melanie A Kimm, Xiaopeng Ma, Bernhard Haller, Megan J Fleming, Stephan Vogt, Martina Anton, Andreas B Imhoff, Vasilis Ntziachristos, Reinhard Meier, Tobias D Henning
The distribution of intramyocardially injected rabbit MSCs, labeled with the near-infrared dye 1,1'-dioctadecyl-3,3,3',3'-tetramethylindotricarbo-cyanine-iodide (DiR) using hybrid Fluorescence Molecular Tomography-X-ray Computed Tomography (FMT-XCT) and Multispectral Optoacoustic Tomography (MSOT) imaging technologies, was investigated. Viability and induction of apoptosis of DiR labeled MSCs were assessed by XTT- and Caspase-3/-7-testing in vitro. 2 × 10(6), 2 × 10(5) and 2 × 10(4) MSCs labeled with 5 and 10 μg DiR/ml were injected into fresh frozen rabbit hearts...
June 2017: Photoacoustics
https://www.readbyqxmd.com/read/28528367/evaluating-the-role-of-autologous-mesenchymal-stem-cell-seeded-on-decellularized-pericardium-in-the-treatment-of-myocardial-infarction-an-animal-study
#4
Abdol-Mohammad Kajbafzadeh, Seyed Hossein Ahmadi Tafti, Reza Khorramirouz, Shabnam Sabetkish, Seyedeh Maryam Kameli, Saghar Orangian, Shahram Rabbani, Nasim Oveisi, Marziyeh Golmohammadi, Zeynab Kashani
Inappropriate left ventricular remodeling following myocardial infarction (MI) can result in subsequent severe dysfunction. In this study, we tested the hypothesis that decellularized pericardium (DP) or seeded pericardial patch with autologous adipose-derived mesenchymal stem cells (ADMSCs) could be safely used in a MI scar and could improve heart function. Twelve rabbits were randomly divided into three equal groups. Four weeks after MI induction by ligation of the left anterior descending artery in 12 rabbits, animals of G1 (n = 4) received DP patch with labeled ADMSCs...
May 20, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28525896/activation-of-cannabinoid-receptor-type-ii-by-am1241-protects-adipose-derived-mesenchymal-stem-cells-from-oxidative-damage-and-enhances-their-therapeutic-efficacy-in-myocardial-infarction-mice-via-stat3-activation
#5
Dong Han, Xiang Li, Wen-Si Fan, Jiang-Wei Chen, Tian-Tian Gou, Tao Su, Miao-Miao Fan, Meng-Qi Xu, Ya-Bin Wang, Sai Ma, Ya Qiu, Feng Cao
The poor survival of cells in ischemic sites diminishes the therapeutic efficacy of stem cell therapy. Previously we and others have reported that Cannabinoid receptor type II (CB2) is protective during heart ischemic injury for its anti-oxidative activity. However, whether CB2 activation could improve the survival and therapeutic efficacy of stem cells in ischemic myocardium and the underlying mechanisms remain elusive. Here, we showed evidence that CB2 agonist AM1241 treatment could improve the functional survival of adipose-derived mesenchymal stem cells (AD-MSCs) in vitro as well as in vivo...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524859/mesenchymal-stem-cells-sense-mitochondria-released-from-damaged-cells-as-danger-signals-to-activate-their-rescue-properties
#6
Meriem Mahrouf-Yorgov, Lionel Augeul, Claire Crola Da Silva, Maud Jourdan, Muriel Rigolet, Sylvie Manin, René Ferrera, Michel Ovize, Adeline Henry, Aurélie Guguin, Jean-Paul Meningaud, Jean-Luc Dubois-Randé, Roberto Motterlini, Roberta Foresti, Anne-Marie Rodriguez
Mesenchymal stem cells (MSCs) protect tissues against cell death induced by ischemia/reperfusion insults. This therapeutic effect seems to be controlled by physiological cues released by the local microenvironment following injury. Recent lines of evidence indicate that MSC can communicate with their microenvironment through bidirectional exchanges of mitochondria. In particular, in vitro and in vivo studies report that MSCs rescue injured cells through delivery of their own mitochondria. However, the role of mitochondria conveyed from somatic cells to MSC remains unknown...
May 19, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28524367/transplantation-of-human-villous-trophoblasts-preserves-cardiac-function-in-mice-with-acute-myocardial-infarction
#7
Zegen Wang, Ningzheng Dong, Yayan Niu, Zhiwei Zhang, Ce Zhang, Meng Liu, Tiantian Zhou, Qingyu Wu, Ke Cheng
Over the past decade, cell therapies have provided promising strategies for the treatment of ischaemic cardiomyopathy. Particularly, the beneficial effects of stem cells, including bone marrow stem cells (BMSCs), endothelial progenitor cells (EPCs), mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs), have been demonstrated by substantial preclinical and clinical studies. Nevertheless stem cell therapy is not always safe and effective. Hence, there is an urgent need for alternative sources of cells to promote cardiac regeneration...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28494265/intramyocardial-fate-and-effect-of-iron-nanoparticles-co-injected-with-macs-%C3%A2-purified-stem-cell-products
#8
Paula Müller, Ralf Gaebel, Heiko Lemcke, Frank Wiekhorst, Frauke Hausburg, Cajetan Lang, Nicole Zarniko, Bernd Westphal, Gustav Steinhoff, Robert David
BACKGROUND: Magnetic activated cell sorting (MACS(®)) is routinely used to isolate stem cell subpopulations intended for the treatment of cardiovascular diseases. In strong contrast, studies examining the amount, effect and intramyocardial distribution of iron nanoparticles used for magnetic cell labelling are missing, although iron excess can cause functional disorders in the heart. METHODS AND RESULTS: CD133(+) haematopoietic and CD271(+) mesenchymal stem cells were purified from bone marrow using automatically and manually MACS(®) based systems...
May 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/28484495/mitochondrial-dna-hypomethylation-is-a-biomarker-associated-with-induced-senescence-in-human-fetal-heart-mesenchymal-stem-cells
#9
Dehai Yu, Zhonghua Du, Lingling Pian, Tao Li, Xue Wen, Wei Li, Su-Jeong Kim, Jialin Xiao, Pinchas Cohen, Jiuwei Cui, Andrew R Hoffman, Ji-Fan Hu
Background. Fetal heart can regenerate to restore its normal anatomy and function in response to injury, but this regenerative capacity is lost within the first week of postnatal life. Although the specific molecular mechanisms remain to be defined, it is presumed that aging of cardiac stem or progenitor cells may contribute to the loss of regenerative potential. Methods. To study this aging-related dysfunction, we cultured mesenchymal stem cells (MSCs) from human fetal heart tissues. Senescence was induced by exposing cells to chronic oxidative stress/low serum...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28457660/ilk-regulates-mscs-survival-and-angiogenesis-partially-through-akt-and-mtor-signaling-pathways
#10
Bin Zeng, Lei Liu, Shaofeng Wang, Zhiguo Dai
Mesenchymal stem cells (MSCs) exert therapeutic effects on treating acute myocardial infarction (AMI). Angiogenesis in ischemic heart can promote the supply of oxygen and nutrients to both ischemic myocardium and transplanted stem cells. Focus is then given to the evolving strategies amied at angiogenesis. ILK has been reported to be an important factor regulating apoptosis and angiogenesis. This study examined the role and mechanism of ILK in MSCs survival and angiogenesis. In hypoxic condition, upregulation of ILK expression increased the phosphorylation of Akt and mTOR, resulting in markedly enchanced MSCs survival and VEGF expression; while significantly inhibited MSCs survival and VEGF expression was detected in MSCs with ILK kinase inactivation, which was associated with a reduction of phosphorylation of Akt and mTOR...
April 28, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28457188/functional-tissue-engineering-a-prevascularized-cardiac-muscle-construct-for-validating-human-mesenchymal-stem-cells-engraftment-potential-in-vitro
#11
Mani T Valarmathi, John W Fuseler, Jay D Potts, Jeffrey M Davis, Robert L Price
The influence of somatic stem cells in the stimulation of mammalian cardiac muscle regeneration is still in its early stages, and so far, it has been difficult to determine the efficacy of the procedures that have been employed. The outstanding question remains whether stem cells derived from the bone marrow or some other location within or outside of the heart can populate a region of myocardial damage and transform into tissue-specific differentiated progenies, and also exhibit functional synchronization...
May 25, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28449155/mitochondrial-dysfunction-in-diabetic-cardiomyopathy-effect-of-mesenchymal-stem-cell-with-ppar-%C3%AE-agonist-or-exendin-4
#12
Mohamed Abd Elaziz Wassef, Ola M Tork, Laila A Rashed, Walaa Ibrahim, Heba Morsi, Dina Mohamed Mekawy Rabie
Therapy targeting mitochondria may provide novel ways to treat diabetes and its complications. Bone marrow-derived mesenchymal stem cells (MSCs), the peroxisome proliferator-activated receptor gamma (PPAR-γ) agonists and exendin-4; an analog of glucagon-like peptide-1 have shown cardioprotective properties in many cardiac injury models. So, we evaluated their effects in diabetic cardiomyopathy (DCM) in relation to mitochondrial dysfunction. This work included seven groups of adult male albino rats: the control group, the non-treated diabetic group, and the treated diabetic groups: one group was treated with MSCs only, the second with pioglitazone only, the third with MSCs and pioglitazone, the forth with exendin-4 only and the fifth with MSCs and exendin-4...
April 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28446444/concurrent-isolation-of-three-distinct-cardiac-stem-cell-populations-from-a-single-human-heart-biopsy
#13
Megan M Monsanto, Kevin S White, Taeyong Kim, Bingyan J Wang, Kristina Fisher, Kelli Ilves, Farid G Khalafalla, Alexandria Casillas, Kathleen Broughton, Sadia Mohsin, Walter P Dembitsky, Mark A Sussman
Rationale: The relative actions and synergism between distinct myocardial-derived stem cell populations remains obscure. Ongoing debates regarding optimal cell population(s) for treatment of heart failure prompted implementation of a protocol for isolation of multiple stem cell populations from a single myocardial tissue sample to develop new insights for achieving myocardial regeneration. Objective: Establish a robust cardiac stem cell isolation and culture protocol to consistently generate three distinct stem cell populations from a single human heart biopsy...
April 26, 2017: Circulation Research
https://www.readbyqxmd.com/read/28420460/-bone-marrow-mesenchymal-stem-cells-modulated-the-inflammatory-response-by-regulating-the-expression-of-il-4-and-rage-products-in-the-rats-with-mods
#14
Xia Zhou, Guanghui Xiu, Yichao Zhu, Xiaolei Chen, Wei Xiong, Xinghua Pan, Jie Sun, Bin Ling
OBJECTIVE: To investigate the underlying mechanism of bone marrow mesenchymal stem cells (BMSC) modulating the inflammatory response during the multiple organ dysfunction syndrome (MODS), especially the expression of inflammatory cytokines, which will provide new theoretical and experimental basis of MODS in clinic. METHODS: BMSC of Sprague-Dawley (SD) rat (female, 4 weeks) was extracted and cultivated, and the 4th passage were used in experimental study. According to the random number table, 60 female SD rats were divided into three groups (n = 20 per group): sham group, MODS group, BMSC group...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28420436/autophagy-mediates-the-beneficial-effect-of-hypoxic-preconditioning-on-bone-marrow-mesenchymal-stem-cells-for-the-therapy-of-myocardial-infarction
#15
Zheng Zhang, Chao Yang, Mingzhi Shen, Ming Yang, Zhitao Jin, Liping Ding, Wei Jiang, Junke Yang, Haixu Chen, Feng Cao, Taohong Hu
BACKGROUND: Stem cell therapy has emerged as a promising therapeutic strategy for myocardial infarction (MI). However, the poor viability of transplanted stem cells hampers their therapeutic efficacy. Hypoxic preconditioning (HPC) can effectively promote the survival of stem cells. The aim of this study was to investigate whether HPC improved the functional survival of bone marrow mesenchymal stem cells (BM-MSCs) and increased their cardiac protective effect. METHODS: BM-MSCs, isolated from Tg(Fluc-egfp) mice which constitutively express both firefly luciferase (Fluc) and enhanced green fluorescent protein (eGFP), were preconditioned with HPC (1% O2) for 12 h, 24 h, 36 h, and 48 h, respectively, followed by 24 h of hypoxia and serum deprivation (H/SD) injury...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28420415/distribution-pattern-following-systemic-mesenchymal-stem-cell-injection-depends-on-the-age-of-the-recipient-and-neuronal-health
#16
Claire Fabian, Yahaira Naaldijk, Christiane Leovsky, Adiv A Johnson, Lukas Rudolph, Carsten Jaeger, Katrin Arnold, Alexandra Stolzing
BACKGROUND: Mesenchymal stem cells (MSCs) show therapeutic efficacy in many different age-related degenerative diseases, including Alzheimer's disease. Very little is currently known about whether or not aging impacts the transplantation efficiency of MSCs. METHODS: In this study, we investigated the distribution of intravenously transplanted syngeneic MSCs derived from young and aged mice into young, aged, and transgenic APP/PS1 Alzheimer's disease mice. MSCs from male donors were transplanted into female mice and their distribution pattern was monitored by PCR using Y-chromosome specific probes...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28418864/bone-marrow-derived-mesenchymal-stem-cells-overexpressing-mir-21-efficiently-repair-myocardial-damage-in-rats
#17
Yan-Ling Zeng, Hao Zheng, Qiu-Ru Chen, Xiao-Hong Yuan, Jin-Hua Ren, Xiao-Feng Luo, Ping Chen, Zhe-Yao Lin, Shao-Zhen Chen, Xue-Qiong Wu, Min Xiao, Yong-Quan Chen, Zhi-Zhe Chen, Jian-Da Hu, Ting Yang
OBJECTIVE: We investigated the ability of bone marrow derived mesenchymal stem cells (BMSCs) overexpressing microRNA-21 (miR-21) to repair cardiac damage induced by anthracyclines in rats. METHODS: Sprague-Dawley (SD) rats of 2~3 weeks old were selected to isolate and culture BMSCs. A lentivirus harboring pLVX-miR-21 was generated and transfected into rat BMSCs. The rats were assigned into an untreated negative control group, and groups injected with adriamycin alone or with adriamycin followed by BMSCs, pLVX-BMSCs or pLVX-miR-21-BMSCs (n = 10 each)...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415572/inhibition-of-iron-overload-induced-apoptosis-and-necrosis-of-bone-marrow-mesenchymal-stem-cells-by-melatonin
#18
Fan Yang, Yuan Li, Gege Yan, Tianyi Liu, Chao Feng, Rui Gong, Ye Yuan, Fengzhi Ding, Lai Zhang, Elina Idiiatullina, Valentin Pavlov, Zhenbo Han, Wenya Ma, Qi Huang, Ying Yu, Zhengyi Bao, Xiuxiu Wang, Bingjie Hua, Zhimin Du, Benzhi Cai, Lei Yang
Iron overload induces severe damage to several vital organs such as the liver, heart and bone, and thus contributes to the dysfunction of these organs. The aim of this study is to investigate whether iron overload causes the apoptosis and necrosis of bone marrow mesenchymal stem cells (BMSCs) and melatonin may prevent its toxicity. Perls' Prussion blue staining showed that exposure to increased concentrations of ferric ammonium citrate (FAC) induced a gradual increase of intracellular iron level in BMSCs. Trypan blue staining demonstrated that FAC decreased the viability of BMSCs in a concentration-dependent manner...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414206/wenshen-zhuanggu-formula-effectively-suppresses-breast-cancer-bone-metastases-in-a-mouse-xenograft-model
#19
Jia-Jia Li, Wei-Ling Chen, Jian-Yi Wang, Qian-Wen Hu, Zhen-Ping Sun, Shuai Zhang, Sheng Liu, Xiang-Hui Han
Wenshen Zhuanggu formula (WSZG) is a traditional Chinese medicine used as an adjuvant for the prevention of bone metastases in breast cancer patients. In this study we investigated the efficacy of WSZG in preventing bone metastases and the potential mechanisms in a mouse xenograft model of breast cancer bone metastases. This model was established by injection of human MDA-MB-231BO-Luc breast cancer cells alone or a mixture of the cancer cells with bone marrow-derived mesenchymal stem cells (BMSCs) into left ventricle of the heart in female nude mice...
April 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28412246/absence-of-nucks-augments-paracrine-effects-of-mesenchymal-stem-cells-mediated-cardiac-protection
#20
Yuelin Zhang, Sinming Chiu, Xiaoting Liang, Yuet-Hung Chai, Yiming Qin, Junwen Wang, Xiang Li, Beiying Qiu, Vinay Tergaonkar, Hung-Fat Tse, Qizhou Lian
Bone marrow-derived mesenchymal stem cells (BM-MSCs) contribute to myocardial repair after myocardial infarction (MI) by secreting a panel of growth factors and cytokines. This study was to investigate the potential mechanisms of the nuclear casein kinase and cyclin-dependent kinase substrate 1 (NUCKS) in regulation of the profiles of BM-MSCs secretion and compare the therapeutic efficacy of NUCKS(-/-)- and wide type-BM-MSCs (WT-BM-MSCs) on MI. The secretion profiles between NUCKS(-/-)- and WT-BM-MSCs under hypoxia (1%O2) were analyzed...
April 12, 2017: Experimental Cell Research
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