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Cardiac stem cell

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https://www.readbyqxmd.com/read/28316922/miracle-cells-for-natural-dentistry-a-review
#1
REVIEW
Rani Somani, Shipra Jaidka, Neeti Bajaj, Sameksha Arora
Stem cells are undifferentiated cells that can differentiate into specialized cells. Recently, enormous growth has been seen in the recognition of stem cell-based therapies, which have the potential to ameliorate the life of patients with conditions that span from Parkinson's disease to cardiac ischemia to bone or tooth loss. This research has produced new but unexplored possibilities in the regeneration of different organs and tissues. Presently, research is focused on the proficiency of stem cells and their utilization in dentistry, which is gaining interest...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28316259/the-adipose-stromal-vascular-fraction-as-a-complex-cellular-source-for-tissue-engineering-applications
#2
Venkat M Ramakrishnan, Nolan L Boyd
A major challenge in tissue engineering is the generation of sufficient volumes of viable tissue for organ transplant. The development of a stable, mature vasculature is required to sustain the metabolic and functional activities of engineered tissues. Adipose stromal vascular fraction (SVF) cells are an easily accessible, heterogeneous cell system comprised of endothelial cells, macrophages, pericytes, and various stem cell populations. Collectively, SVF has been shown to spontaneously form vessel-like networks in vitro and robust, patent, and functional vasculatures in vivo...
March 19, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28315121/untangling-the-biology-of-genetic-cardiomyopathies-with-pluripotent-stem-cell-disease-models
#3
REVIEW
Jan W Buikema, Sean M Wu
PURPOSE OF REVIEW: Recently, the discovery of strategies to reprogram somatic cells into induced pluripotent stem (iPS) cells has led to a major paradigm change in developmental and stem cell biology. The application of iPS cells and their cardiac progeny has opened novel directions to study cardiomyopathies at a cellular and molecular level. This review discusses approaches currently undertaken to unravel known inherited cardiomyopathies in a dish. RECENT FINDINGS: With improved efficiency for mutation correction by genome editing, human iPS cells have now provided a platform to untangle the biology of cardiomyopathies...
April 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28303788/dynamics-and-robustness-of-the-cardiac-progenitor-cell-induced-pluripotent-stem-cell-network-during-cell-phenotypes-transition
#4
Yuangen Yao, Chengzhang Ma, Haiyou Deng, Quan Liu, Wei Cao, Rong Gui, Tianquan Feng, Ming Yi
Robustness is a fundamental characteristic of biological systems since all living systems need to adapt to internal or external perturbations, unpredictable environments, stochastic events and unreliable components, and so on. A long-term challenge in systems biology is to reveal the origin of robustness underlying molecular regulator network. In this study, a simple Boolean model is used to investigate the global dynamic properties and robustness of cardiac progenitor cell (CPC) induced pluripotent stem cell network that governs reprogramming and directed differentiation process...
February 2017: IET Systems Biology
https://www.readbyqxmd.com/read/28303153/de-novo-human-cardiac-myocytes-for-medical-research-promises-and-challenges
#5
REVIEW
Veronique Hamel, Kang Cheng, Shudan Liao, Aizhu Lu, Yong Zheng, Yawen Chen, Yucai Xie, Wenbin Liang
The advent of cellular reprogramming technology has revolutionized biomedical research. De novo human cardiac myocytes can now be obtained from direct reprogramming of somatic cells (such as fibroblasts), from induced pluripotent stem cells (iPSCs, which are reprogrammed from somatic cells), and from human embryonic stem cells (hESCs). Such de novo human cardiac myocytes hold great promise for in vitro disease modeling and drug screening and in vivo cell therapy of heart disease. Here, we review the technique advancements for generating de novo human cardiac myocytes...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28300217/corrigendum-minimizing-the-risk-of-allo-sensitization-to-optimize-the-benefit-of-allogeneic-cardiac-derived-stem-progenitor-cells
#6
Hocine R Hocine, Hicham E L Costa, Noemie Dam, Jerome Giustiniani, Itziar Palacios, Pascale Loiseau, Armand Bensussan, Luis R Borlado, Dominique Charron, Caroline Suberbielle, Nabila Jabrane-Ferrat, Reem Al-Daccak
No abstract text is available yet for this article.
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28297585/electromechanical-conditioning-of-adult-progenitor-cells-improves-recovery-of-cardiac-function-after-myocardial-infarction
#7
Aida Llucià-Valldeperas, Carolina Soler-Botija, Carolina Gálvez-Montón, Santiago Roura, Cristina Prat-Vidal, Isaac Perea-Gil, Benjamin Sanchez, Ramon Bragos, Gordana Vunjak-Novakovic, Antoni Bayes-Genis
Cardiac cells are subjected to mechanical and electrical forces, which regulate gene expression and cellular function. Therefore, in vitro electromechanical stimuli could benefit further integration of therapeutic cells into the myocardium. Our goals were (a) to study the viability of a tissue-engineered construct with cardiac adipose tissue-derived progenitor cells (cardiac ATDPCs) and (b) to examine the effect of electromechanically stimulated cardiac ATDPCs within a myocardial infarction (MI) model in mice for the first time...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297574/bioactive-lipids-and-circulating-progenitor-cells-in-patients-with-cardiovascular-disease
#8
Salim S Hayek, Yuri Klyachkin, Ahmed Asfour, Nima Ghasemzadeh, Mosaab Awad, Iraj Hesaroieh, Hina Ahmed, Brandon Gray, Jinhee Kim, Edmund K Waller, Arshed A Quyyumi, Ahmed K Abdel-Latif
Bone marrow-derived progenitor cells are mobilized into the peripheral blood after acute myocardial injury and in chronic ischemic heart disease. However, the mechanisms responsible for this mobilization are poorly understood. We examined the relationship between plasma levels of bioactive lipids and number of circulating progenitor cells (CPCs) in patients (N = 437) undergoing elective or emergent cardiac catheterization. Plasma levels of sphingosine-1 phosphate (S1P) and ceramide-1 phosphate (C1P) were quantified using mass spectrometry...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297571/prolongation-of-cardiac-allograft-survival-by-endometrial-regenerative-cells-focusing-on-b-cell-responses
#9
Xiaoxi Xu, Xiaochun Li, Xiangying Gu, Bai Zhang, Weijun Tian, Hongqiu Han, Peng Sun, Caigan Du, Hao Wang
Endometrial regenerative cells (ERCs) have been recently evaluated as an attractive candidate source for emerging stem cell therapies in immunosuppression, but their role in immunoregulation is not fully understood. The present study was designed to investigate their effects, especially on B-cell responses in heart transplantation. In this study, ERCs were noninvasively obtained from menstrual blood. Heart transplantation was performed between C57BL/6 (H-2(b) ) donor mice and BALB/c (H-2(d) ) recipients. B-cell activation and antibody levels were determined using fluorescence-activated cell sorting, enzyme-linked immunosorbent assay and ELISpot...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296006/intracoronary-allogeneic-cardiosphere-derived-stem-cells-are-safe-for-use-in-dogs-with-dilated-cardiomyopathy
#10
Michael Taylor Hensley, Junnan Tang, Kathleen Woodruff, Teresa Defrancesco, Sandra Tou, Christina M Williams, Mathew Breen, Kathryn Meurs, Bruce Keene, Ke Cheng
Cardiosphere-derived cells (CDCs) have been shown to reduce scar size and increase viable myocardium in human patients with mild/moderate myocardial infarction. Studies in rodent models suggest that CDC therapy may confer therapeutic benefits in patients with non-ischaemic dilated cardiomyopathy (DCM). We sought to determine the safety and efficacy of allogeneic CDC in a large animal (canine) model of spontaneous DCM. Canine CDCs (cCDCs) were grown from a donor dog heart. Similar to human CDCs, cCDCs express CD105 and are slightly positive for c-kit and CD90...
March 15, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28295048/cardiac-repair-in-a-mouse-model-of-acute-myocardial-infarction-with-trophoblast-stem-cells
#11
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/28293402/treosulfan-based-conditioning-regimen-in-sibling-and-alternative-donor-hematopoietic-stem-cell-transplantation-for-children-with-sickle-cell-disease
#12
Antonio Marzollo, Elisabetta Calore, Manuela Tumino, Marta Pillon, Maria Vittoria Gazzola, Roberta Destro, Raffaella Colombatti, Piero Marson, Tiziana Tison, Anna Colpo, Chiara Mainardi, Maria Gabelli, Maria Paola Boaro, Sara Rossin, Aurora Strano, Nadia Quaglia, Federica Menzato, Giuseppe Basso, Laura Sainati, Chiara Messina
BACKGROUND AND OBJECTIVES: Lack of suitable donors and regimen related toxicity are major barriers for hematopoietic stem cell transplantation (HSCT) in patients with sickle cell disease (SCD). The aim of the study is the assessment of efficacy and toxicity of Treosulfan-based conditioning regimen for SCD also when alternative donors such as mismatched unrelated donor and haploidentical donor are employed. METHODS: We report our single-center experience: 11 patients with SCD received HSCT with a Treosulfan/Thiotepa/Fludarabine/Anti-thymoglobulin conditioning regimen between 2010 and 2015...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28290973/total-artificial-heart-implantation-as-a-bridge-to-heart-transplantation-in-an-active-duty-service-member-with-amyloid-cardiomyopathy
#13
Michael S Scully, Dylan E Wessman, James M McKee, Gregory M Francisco, Keshav R Nayak, Jon A Kobashigawa
INTRODUCTION: Cardiac involvement by light-chain (AL) amyloid occurs in up to 50% of patients with primary AL amyloidosis. The prognosis of amyloid heart disease is poor with 1-year survival rates of 35 to 40%. Historically, heart transplantation was considered controversial for patients with AL amyloid cardiomyopathy (CM) given the systemic nature of the disease and poor survival. We present a case report of an active duty service member diagnosed with advanced cardiac amyloid who underwent total artificial heart transplant as a bridge to heart transplant and eventual autologous stem cell transplant...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290476/emerin-plays-a-crucial-role-in-nuclear-invagination-and-in-the-nuclear-calcium-transient
#14
Masaya Shimojima, Shinsuke Yuasa, Chikaaki Motoda, Gakuto Yozu, Toshihiro Nagai, Shogo Ito, Mark Lachmann, Shin Kashimura, Makoto Takei, Dai Kusumoto, Akira Kunitomi, Nozomi Hayashiji, Tomohisa Seki, Shugo Tohyama, Hisayuki Hashimoto, Masaki Kodaira, Toru Egashira, Kenshi Hayashi, Chiaki Nakanishi, Kenji Sakata, Masakazu Yamagishi, Keiichi Fukuda
Alteration of the nuclear Ca(2+) transient is an early event in cardiac remodeling. Regulation of the nuclear Ca(2+) transient is partly independent of the cytosolic Ca(2+) transient in cardiomyocytes. One nuclear membrane protein, emerin, is encoded by EMD, and an EMD mutation causes Emery-Dreifuss muscular dystrophy (EDMD). It remains unclear whether emerin is involved in nuclear Ca(2+) homeostasis. The aim of this study is to elucidate the role of emerin in rat cardiomyocytes by means of hypertrophic stimuli and in EDMD induced pluripotent stem (iPS) cell-derived cardiomyocytes in terms of nuclear structure and the Ca(2+) transient...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289983/stem-cell-spheroids-and-ex-vivo-niche-modeling-rationalization-and-scaling-up
#15
REVIEW
Isotta Chimenti, Diana Massai, Umberto Morbiducci, Antonio Paolo Beltrami, Maurizio Pesce, Elisa Messina
Improved protocols/devices for in vitro culture of 3D cell spheroids may provide essential cues for proper growth and differentiation of stem/progenitor cells (S/PCs) in their niche, allowing preservation of specific features, such as multi-lineage potential and paracrine activity. Several platforms have been employed to replicate these conditions and to generate S/PC spheroids for therapeutic applications. However, they incompletely reproduce the niche environment, with partial loss of its highly regulated network, with additional hurdles in the field of cardiac biology, due to debated resident S/PCs therapeutic potential and clinical translation...
March 13, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28289528/clinical-cardiac-regenerative-studies-in-children
#16
REVIEW
Imre J Pavo, Ina Michel-Behnke
Although the incidence of pediatric heart failure is low, the mortality is relatively high, with severe clinical symptoms requiring repeated hospitalization or intensive care treatment in the surviving patients. Cardiac biopsy specimens have revealed a higher number of resident human cardiac progenitor cells, with greater proliferation and differentiation capacity, in the neonatal period as compared with adults, demonstrating the regeneration potential of the young heart, with rising interest in cardiac regeneration therapy in critically ill pediatric patients...
February 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28288654/non-invasive-in-vivo-imaging-of-cardiac-stem-progenitor-cell-biodistribution-and-retention-after-intracoronary-and-intramyocardial-delivery-in-a-swine-model-of-chronic-ischemia-reperfusion-injury
#17
María Collantes, Beatriz Pelacho, María José García-Velloso, Juán José Gavira, Gloria Abizanda, Itziar Palacios, Luis Rodriguez-Borlado, Virginia Álvarez, Elena Prieto, Margarita Ecay, Eduardo Larequi, Iván Peñuelas, Felipe Prósper
BACKGROUND: The safety and efficacy of cardiac stem/progenitor cells (CSC) have been demonstrated in previous preclinical and clinical assays for heart failure. However, their optimal delivery route to the ischemic heart has not yet been assessed. This study was designed to determine by a non-invasive imaging technique (PET/CT) the biodistribution and acute retention of allogeneic pig CSC implanted by two different delivery routes, intracoronary (IC) and intramyocardial (IM), in a swine preclinical model of chronic ischemia-reperfusion...
March 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28287249/mtorc1-and-mtorc2-play-different-roles-in-regulating-cardiomyocyte-differentiation-from-embryonic-stem-cells
#18
Bei Zheng, Jiadan Wang, Leilei Tang, Jiana Shi, Danyan Zhu
Mammalian target of rapamycin (mTOR) is a serine/threonine kinase and functions through two distinct complexes, mTOR complex 1 (mTORC1) and complex 2 (mTORC2), with their key components Raptor and Rictor, to play crucial roles in cellular survival and growth. However, the roles of mTORC1 and mTORC2 in regulating cardiomyocyte differentiation from mouse embryonic stem (mES) cells are not clear. In this study, we performed Raptor or Rictor knockdown experiments to investigate the roles of mTORC1 and mTORC2 in cardiomyocyte differentiation...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28286198/in-hospital-mortality-and-post-transplant-complications-in-elderly-multiple-myeloma-patients-undergoing-autologous-hematopoietic-stem-cell-transplantation-a-population-based-study
#19
Larysa Sanchez, Michael Sylvester, Ricardo Parrondo, Veronica Mariotti, Jean Anderson Eloy, Victor T Chang
Autologous hematopoietic stem cell transplantation (auto-HSCT) has improved survival in patients with multiple myeloma (MM) and is increasingly used in elderly patients. The aim of this study was to characterize and compare in-hospital complications and mortality after auto-HSCT in younger (< age 65) vs. elderly (≥ age 65) MM patients utilizing the Nationwide Inpatient Sample (NIS). Over a three-year period (2008-2010), 2209 patients with MM were admitted to U.S. Hospitals for auto-HSCT. The median age was 59 years, with 1650 patients (74...
March 9, 2017: Biology of Blood and Marrow Transplantation
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
#20
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
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