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Mesenchymal stem cell AND heart

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https://www.readbyqxmd.com/read/29773058/non-cardiomyocytes-in-heart-regeneration
#1
Jie Feng, Yandong Li, Yu Nie
Heart failure represents a challenging clinical and public health problem and is associated with significant morbidity and mortality. Mechanistically, loss of cardiomyocytes leads to decompensated ventricular remodeling, which eventually progressed to cardiac failure. Regenerative medicine aimed to supplement functional cardiomyocytes is supposedly a promising approach for the effective treatment of heart failure. Over the past decades, investigations on heart regeneration have revealed the regulating networks of cardiomyocyte proliferation...
May 17, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/29767235/inhibition-of-microrna%C3%A2-16-protects-mesenchymal-stem-cells-against-apoptosis
#2
Jiang Rui, Shaohong Fang, Yongchen Wang, Bo Lv, Bo Yu, Shufeng Li
Bone marrow‑derived mesenchymal stem cells (BM‑MSCs) have been used in experimental research and clinical trials for heart function restoration and cardiomyocyte regeneration. However, due to a hostile microenvironment created by ischemia, hypoxia and pro‑inflammatory factors, the survival rate of implanted BM‑MSCs remains low. Therefore, strategies that can promote BM‑MSC survival and prevent apoptosis are required. Previous studies have reported that microRNA‑16 (miR‑16) can inhibit cell proliferation by targeting several proteins and signal pathway, not only by inducing apoptosis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29752300/intramyocardial-angiogenetic-stem-cells-and-epicardial-erythropoietin-save-the-acute-ischemic-heart
#3
Christian Klopsch, Anna Skorska, Marion Ludwig, Heiko Lemcke, Gabriela Maass, Ralf Gaebel, Martin Beyer, Cornelia Lux, Anita Toelk, Karina Müller, Christian Maschmeier, Sarah Rohde, Petra Mela, Brigitte Müller-Hilke, Stefan Jockenhoevel, Brigitte Vollmar, Robert Jaster, Robert David, Gustav Steinhoff
Ischemic heart failure still displays the highest mortality. An early boost of intracardiac regenerative key mechanisms and angiogenetic niche signaling in cardiac mesenchymal stem cells (MSCs) could improve myocardial infarction (MI) healing. Epicardial erythropoietin (EPO, 300U kg-1 ) was compared with intraperitoneal and intramyocardial EPO treatments after acute MI in rats (n=156). Real-time PCR and confocal microscopy revealed epicardial EPO treatment enhanced intracardiac regenerative key indicators (SDF-1, CXCR-4, CD34, Bcl-2, Cyclin D1, Cdc2, MMP2), induced TGF-β/WNT signaling in intramyocardial MSC niches through direct activation of AKT, upregulations of upstream signals FOS and Fzd7 and augmented intracardiac mesenchymal proliferation 24 hours after MI...
May 10, 2018: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29748581/leptin-increases-mitochondrial-opa1-via-gsk3-mediated-oma1-ubiquitination-to-enhance-therapeutic-effects-of-mesenchymal-stem-cell-transplantation
#4
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/29743563/cell-therapy-trials-for-heart-regeneration-lessons-learned-and-future-directions
#5
REVIEW
Philippe Menasché
The effects of cell therapy on heart regeneration in patients with chronic cardiomyopathy have been assessed in several clinical trials. These trials can be categorized as those using noncardiac stem cells, including mesenchymal stem cells, and those using cardiac-committed cells, including KIT+ cardiac stem cells, cardiosphere-derived cells, and cardiovascular progenitor cells derived from embryonic stem cells. Although the safety of cell therapies has been consistently reported, their efficacy remains more elusive...
May 9, 2018: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29735591/the-alchemist-s-nightmare-might-mesenchymal-stem-cells-that-are-recruited-to-repair-the-injured-heart-be-transformed-into-fibroblasts-rather-than-cardiomyocytes
#6
REVIEW
Milton Packer
The injection of mesenchymal stem cells into the injured myocardium to induce cardiac regeneration has yielded disappointing results, conceivably because cells with cardioreparative potential must be supplied for long periods of time to produce a salutary effect. Accordingly, investigators have devised ways of directing such cells to the heart on an ongoing basis: by enhancing the action of endogenous peptides that function as cardiac homing signals (eg, stromal cell-derived factor-1). Stromal cell-derived factor-1 is released during acute cardiac injury and heart failure, but it has a short half-life because of degradation by dipeptidyl peptidase-4...
May 8, 2018: Circulation
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
#7
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/29698635/exosomal-mir-21a-5p-mediates-cardioprotection-by-mesenchymal-stem-cells
#8
Kristin M Luther, Lauren Haar, Myc McGuinness, Yang Wang, Tom Lynch, Anh Phan, Yang Song, Zilong Shen, George Gardner, Gina Kuffel, Xiaoping Ren, Michael J Zilliox, W Keith Jones
Though experimental, stem cell transplantation has the potential to improve the condition of the heart after myocardial infarction. It does so by reducing infarct size and inducing repair of heart muscle and its blood supply. Mesenchymal stem cells (MSC) have been found to be effective in pre-clinical animal models and clinical trials, but the mechanisms by which they induce cardioprotection and repair are still not fully understood. Small extracellular vesicles known as exosomes are now recognized to be key mediators of beneficial MSC paracrine effects, and the concept that they transfer miRNA to change gene expression in recipient cells is of current therapeutic interest...
April 23, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29696784/unveiling-human-cardiac-fibroblast-membrane-proteome
#9
Maria João Sebastião, Rute Pereira, Margarida Serra, Patrícia Gomes-Alves, Paula Marques Alves
Cardiac Fibroblasts (CFs) are one of the main cell populations in the heart and play important roles in tissue homeostasis and myocardial fibrosis. The study of these cells has been hampered by the lack of reliable membrane markers: none of the antigens currently used for characterization and isolation of CFs is unique for this cell type. This issue has also raised doubts regarding a distinct identity of cardiac fibroblasts when comparing to other myocardium cell populations with similar morphologies. In this work, we report a comprehensive description and functional analysis of human CFs (hCFs) membrane-enriched fraction proteome by advanced mass spectrometry-based proteomic tools...
April 25, 2018: Proteomics
https://www.readbyqxmd.com/read/29687729/cardiogenic-effects-of-characterized-geum-urbanum-extracts-on-adipose-derived-human-mesenchymal-stem-cells
#10
Vajiheh Neshati, Samaneh Mollazadeh, Bibi Sedigheh Fazly Bazzaz, Mehrdad Iranshahi, Majid Mojarrad, Hojjat Naderi-Meshkin, Mohammad Amin Kerachian
Stem cell therapy is considered as a promising treatment for cardiovascular diseases. Adipose-derived mesenchymal stem cells (ADMSCs) have the ability to undergo cardiomyogenesis. Medicinal plants are effective and safe candidates for cell differentiation. Therefore, the aim of our study was to investigate cardiogenic effects of characterized (HPLC-UV) G. urbanum extracts on ADMSCs of adipose tissue. The methanolic extracts of the root and aerial parts of G. urbanum were obtained and MTT assay was used for studying their cytotoxic effects...
April 24, 2018: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29682509/initiation-and-propagation-of-vascular-calcification-is-regulated-by-a-concert-of-platelet-and-smooth-muscle-cell-derived-extracellular-vesicles
#11
Leon J Schurgers, Asim C Akbulut, Dawid M Kaczor, Maurice Halder, Rory R Koenen, Rafael Kramann
The ageing population continues to suffer from its primary killer, cardiovascular disease (CVD). Despite recent advances in interventional medicinal and surgical therapies towards the end of the 20th century, the epidemic of cardiovascular disease has not been halted. Yet, rather than receding globally, the burden of CVD has risen to become a top cause of morbidity and mortality worldwide. Most CVD arises from thrombotic rupture of an atherosclerotic plaque, the pathologic thickening of coronary and carotid artery segments and subsequent distal ischemia in heart or brain...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29665255/concise-review-rational-use-of-mesenchymal-stem-cells-in-the-treatment-of-ischemic-heart-disease
#12
REVIEW
Michael R Ward, Armin Abadeh, Kim A Connelly
The capacity of stem and progenitor cells to stimulate cardiac regeneration has been studied for almost 20 years, with very promising preclinical data and mixed clinical results. Several cell types have been studied, identified by their cell surface markers, differentiation capacity and their secreted growth factors. Bone marrow derived mesenchymal stem cells (MSCs) have been found to have potent regenerative capacity, through multiple mechanisms, including mesoderm lineage differentiation, immunomodulation, and paracrine stimulation...
April 17, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29662670/extended-bioreactor-conditioning-of-mononuclear-cell-seeded-heart-valve-scaffolds
#13
Mitchell VeDepo, Eric Buse, Rachael Quinn, Richard Hopkins, Gabriel Converse
The tissue-engineered heart valve may be the ideal valve replacement option but still must overcome challenges in leaflet recellularization. This study sought to investigate the potential for leaflet matrix restoration and repopulation following mononuclear cell seeding and extended periods of bioreactor conditioning. Human aortic heart valves were seeded with mononuclear cells and conditioned in a pulsatile bioreactor for 3 days, 3 weeks, or 6 weeks. The results of this study determined that a mononuclear cell population can be readily localized within the leaflet tissue in as little as 3 days...
January 2018: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/29661566/lichen-planopilaris-and-frontal-fibrosing-alopecia-as-model-epithelial-stem-cell-diseases
#14
REVIEW
Matthew J Harries, Francisco Jimenez, Ander Izeta, Jonathan Hardman, Sreejith Parameswara Panicker, Enrique Poblet, Ralf Paus
Inflammation-associated, irreversible damage to epithelial stem cells (eSCs) of the hair follicle in their immunologically privileged niche lies at the heart of scarring alopecia, which causes permanent difficult-to-treat hair loss. We propose that the two most common and closely related forms, lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA), provide excellent model diseases for studying the biology and pathology of adult human eSCs in an easily accessible human mini-organ. Emphasising the critical roles for interferon (IFN)-γ and peroxisome proliferator-activated receptor (PPAR)-γ-mediated signalling in immune privilege (IP) collapse and epithelial-mesenchymal transition (EMT) of these eSCs respectively, we argue that these pathways deserve therapeutic targeting in the future management of LPP/FFA and other eSC diseases associated with IP collapse and EMT...
May 2018: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/29650044/human-amnion-derived-mesenchymal-stem-cells-alleviate-lung-injury-induced-by-white-smoke-inhalation-in-rats
#15
Pei Cui, Haiming Xin, Yongming Yao, Shichu Xiao, Feng Zhu, Zhenyu Gong, Zhiping Tang, Qiu Zhan, Wei Qin, Yanhua Lai, Xiaohui Li, Yalin Tong, Zhaofan Xia
BACKGROUND: White smoke inhalation (WSI) is an uncommon but potentially deadly cause of acute lung injury and acute respiratory distress syndrome for which no effective pharmaceutical treatment has been developed. This study aimed to determine the protective effects of human amnion-derived mesenchymal stem cells (hAMSCs) against WSI-induced lung injury in rats. METHODS: hAMSCs were injected into rats via the tail vein 4 h after WSI. At 1, 3, 7, 14, and 28 days after cell injection, hAMSCs labeled with PKH26 in lung, heart, liver, and kidney tissues were observed by fluorescence microscopy...
April 12, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29602309/regenerative-abilities-of-mesenchymal-stem-cells-through-mitochondrial-transfer
#16
REVIEW
Swati Paliwal, Rituparna Chaudhuri, Anurag Agrawal, Sujata Mohanty
The past decade has witnessed an upsurge in studies demonstrating mitochondrial transfer as one of the emerging mechanisms through which mesenchymal stem cells (MSCs) can regenerate and repair damaged cells or tissues. It has been found to play a critical role in healing several diseases related to brain injury, cardiac myopathies, muscle sepsis, lung disorders and acute respiratory disorders. Several studies have shown that various mechanisms are involved in mitochondrial transfer that includes tunnel tube formation, micro vesicle formation, gap junctions, cell fusion and others modes of transfer...
March 30, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29574723/calcium-dependent-potassium-channels-control-proliferation-of-cardiac-progenitor-cells-and-bone-marrow-derived-mesenchymal-stem-cells
#17
Patrick Vigneault, Patrice Naud, Xiaoyan Qi, Jiening Xiao, Louis Villeneuve, Darryl R Davis, Stanley Nattel
Endogenous c-Kit+ cardiac progenitor cells (eCPCs) and bone marrow (BM)-derived mesenchymal stem cells (MSCs) are being developed for cardiac regenerative therapy, but a better understanding of their physiology is needed. Here, we addressed the unknown functional role of ion-channels in freshly-isolated eCPCs and expanded BM-MSCs using patch-clamp, microfluorometry and confocal microscopy. Isolated c-Kit+ eCPCs were purified from dog hearts by immunomagnetic selection. Ion-currents were barely detectable in freshly-isolated c-Kit+ eCPCs with intracellular calcium (Ca2+ i ) buffered...
March 25, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29574510/microrna-499a-5p-promotes-differentiation-of-human-bone-marrow-derived-mesenchymal-stem-cells-to-cardiomyocytes
#18
Vajiheh Neshati, Samaneh Mollazadeh, Bibi Sedigheh Fazly Bazzaz, Antoine A F de Vries, Majid Mojarrad, Hojjat Naderi-Meshkin, Zeinab Neshati, Mahdi Mirahmadi, Mohammad Amin Kerachian
Since the adult mammalian heart has limited regenerative capacity, cardiac trauma, disease, and aging cause permanent loss of contractile tissue. This has fueled the development of stem cell-based strategies to provide the damaged heart with new cardiomyocytes. Bone marrow-derived mesenchymal stem cells (BM-MSCs) are capable of self-renewal and differentiation into cardiomyocytes, albeit inefficiently. MicroRNAs (miRNAs, miRs) are non-coding RNAs that have the potential to control stem cell fate decisions and are employed in cardiac regeneration and repair...
March 24, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29542684/exosomes-from-suxiao-jiuxin-pill-treated-cardiac-mesenchymal-stem-cells-decrease-h3k27-demethylase-utx-expression-in-mouse-cardiomyocytes-in-vitro
#19
Xiao-Fen Ruan, Yong-Jun Li, Cheng-Wei Ju, Yan Shen, Wei Lei, Can Chen, Yang Li, Hong Yu, Yu-Tao Liu, Il-Man Kim, Xiao-Long Wang, Neal L Weintraub, Yaoliang Tang
Suxiao Jiuxin pill (SJP) is a traditional Chinese medicine for the treatment of acute coronary syndrome in China, which contains two principal components, tetramethylpyrazine (TMP) and borneol (BOR). Thus far, however, the molecular mechanisms underlying the beneficial effects of SJP on the cardiac microenvironment are unknown. Cardiac mesenchymal stem cells (C-MSCs) communicate with cardiomyocytes (CMs) through the release of microvesicles (exosomes) to restore cardiac homeostasis and elicit repair, in part through epigenetic regulatory mechanisms...
April 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29542682/suxiao-jiuxin-pill-promotes-exosome-secretion-from-mouse-cardiac-mesenchymal-stem-cells-in-vitro
#20
Xiao-Fen Ruan, Cheng-Wei Ju, Yan Shen, Yu-Tao Liu, Il-Man Kim, Hong Yu, Neal Weintraub, Xiao-Long Wang, Yaoliang Tang
Cardiac mesenchymal stem cells (C-MSCs) are endogenous cardiac stromal cells that play a role in heart repair after injury. C-MSC-derived exosomes (Exo) have shown protective effects against apoptosis induced by acute myocardial ischemia/reperfusion. Suxiao Jiuxin pill (SJP) is a traditional Chinese medicine (TCM) formula used in China for the treatment of acute myocardial ischemia, which contains tetramethylpyrazine (TMP) and borneol (BOR) as major components. In this study, we investigated whether SJP treatment affected exosome release from C-MSCs in vitro...
April 2018: Acta Pharmacologica Sinica
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