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Endogenous Cardiac Stem Cell

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https://www.readbyqxmd.com/read/29118944/cardiac-progenitor-cells-application-in-cardiovascular-disease
#1
REVIEW
Hassan Amini, Jafar Rezaie, Armin Vosoughi, Reza Rahbarghazi, Mohammad Nouri
Stem cells (SCs) have special potency to differentiate into different types of cells, especially cardiomyocytes. In order to demonstrate the therapeutic applications of these cells, various investigations are recently being developed. Cardiac progenitor cells are endogenous cardiac SCs that found to express tyrosine kinase receptors, c-Kit and other stemness features in adult heart, contributing to the regeneration of cardiac tissue after injury. This lineage is able to efficiently trans-differentiate into different cell types such as cardiomyocytes, endothelial cells, and smooth muscle cells...
2017: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/29118467/the-light-and-shadow-of-senescence-and-inflammation-in-cardiovascular-pathology-and-regenerative-medicine
#2
REVIEW
Laura Iop, Eleonora Dal Sasso, Leonardo Schirone, Maurizio Forte, Mariangela Peruzzi, Elena Cavarretta, Silvia Palmerio, Gino Gerosa, Sebastiano Sciarretta, Giacomo Frati
Recent epidemiologic studies evidence a dramatic increase of cardiovascular diseases, especially associated with the aging of the world population. During aging, the progressive impairment of the cardiovascular functions results from the compromised tissue abilities to protect the heart against stress. At the molecular level, in fact, a gradual weakening of the cellular processes regulating cardiovascular homeostasis occurs in aging cells. Atherosclerosis and heart failure are particularly correlated with aging-related cardiovascular senescence, that is, the inability of cells to progress in the mitotic program until completion of cytokinesis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29075297/stem-and-progenitor-cells-in-human-cardiopulmonary-development-and-regeneration
#3
REVIEW
Silvana Bardelli, Marco Moccetti
Already during embryonic development, the heart and the lung are thoroughly connected organs. Their interdependence allows our survival in the terrestrial environment by coupling cardiac output and gas exchange. The knowledge on developmental processes involving stem and progenitor cells is crucial to understand the onset of human cardiopulmonary diseases. The precise identification of various adult endogenous progenitors is still incomplete. Thus, caution should be exercised on newly available stem cell-based treatments until specific mechanisms of action are disclosed...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29071403/specific-cell-re-programming-approaches-and-perspectives
#4
Frauke Hausburg, Julia Jeannine Jung, Robert David
Many disorders are manifested by dysfunction of key cell types or their disturbed integration in complex organs. Thereby, adult organ systems often bear restricted self-renewal potential and are incapable of achieving functional regeneration. This underlies the need for novel strategies in the field of cell (re-)programming-based regenerative medicine as well as for drug development in vitro. The regenerative field has been hampered by restricted availability of adult stem cells and the potentially hazardous features of pluripotent embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs)...
October 26, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29067089/is-biological-repair-of-heart-on-the-horizon
#5
REVIEW
H R Ahmad, Satwat Hashmi
The stem cells keep us young by endogenously repairing us upon need. They do so bysmartly one step forward towards differentiation while another step backward to nurturethe undifferentiated stem cells. They are building blocks for every organ witha differential rate of repair of worn out tissues. Since stem cells can be cultured with a normal karyo type, they could be the ideal source for heart repair after myocardial infarction. As opposed to lower vertebrates and neonatal mice, cardiac regeneration in adult mammalian heart seems to be difficult to assess with a solid evidence of cytokinesis...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29064067/stem-cells-in-regenerative-cardiology
#6
Semih Arbatlı, Galip Servet Aslan, Fatih Kocabaş
The common prevalence of heart failure and limitations in its treatment are leading cause of attention and interest towards the induction of cardiac regeneration with novel approaches. Recent studies provide growing evidence regarding bona fide cardiac regeneration post genetic manipulations, administration of stimulatory factors and myocardial injuries in animal models and human studies. To this end, stem cells of different sources have been tested to treat heart failure for the development of cellular therapies...
October 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29040423/title-therapeutic-strategies-utilising-sdf-1%C3%AE-in-ischaemic-cardiomyopathy
#7
Oliver J Ziff, Daniel I Bromage, Derek M Yellon, Sean M Davidson
Heart failure is rapidly increasing in prevalence and will redraw the global landscape for cardiovascular health. Alleviating and repairing cardiac injury associated with myocardial infarction (MI) is key to improving this burden. Homing signals mobilise and recruit stem cells to the ischaemic myocardium where they exert beneficial paracrine effects. The chemoattractant cytokine SDF-1α and its associated receptor CXCR4 are upregulated after MI and appear to be important in this context. Activation of CXCR4 promotes both cardiomyocyte survival and stem cell migration towards the infarcted myocardium...
October 13, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29028220/pediatric-brain-repair-from-endogenous-neural-stem-cells-of-the-subventricular-zone
#8
REVIEW
Yusuke Niimi, Steven W Levison
There is great interest in the regenerative potential of the neural stem cells and progenitors that populate the germinal zones of the immature brain. Studies using animal models of pediatric brain injuries have provided a clearer understanding of the responses of these progenitors to injury. In this review, we have compared and contrasted the responses of the endogenous neural stem cells and progenitors of the subventricular zone in animal models of neonatal cerebral hypoxia-ischemia, neonatal stroke, congenital cardiac disease, and pediatric traumatic brain injury...
November 8, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29022259/formation-of-new-cardiomyocytes-in-exercise
#9
Liang Shen, Hui Wang, Yihua Bei, Dragos Cretoiu, Sanda Maria Cretoiu, Junjie Xiao
Heart failure is a life-threatening disorder associated with the loss of cardiomyocytes. The heart has some endogenous although limited regenerative capacity, thus enhancing cardiac regeneration or stimulating endogenous repair mechanism after cardiac injury is of great interest. The benefits of exercise in heart diseases have been recognized for centuries. Besides the promotion of a favorable cardiac function, exercise is also associated with new cardiomyocytes formation. Exercise may lead to cardiomyocytes renewal from pre-existing cardiomyocytes proliferation or cardiac stem/progenitor cells differentiation...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29016556/the-current-status-and-future-of-cardiac-stem-progenitor-cell-therapy-for-congenital-heart-defects-from-diabetic-pregnancy
#10
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...
October 10, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28971953/rapamycin-and-chir99021-coordinate-robust-cardiomyocyte-differentiation-from-human-pluripotent-stem-cells-via-reducing-p53-dependent-apoptosis
#11
Xiao-Xu Qiu, Yang Liu, Yi-Fan Zhang, Ya-Na Guan, Qian-Qian Jia, Chen Wang, He Liang, Yong-Qin Li, Huang-Tian Yang, Yong-Wen Qin, Shuang Huang, Xian-Xian Zhao, Qing Jing
BACKGROUND: Cardiomyocytes differentiated from human pluripotent stem cells can serve as an unexhausted source for a cellular cardiac disease model. Although small molecule-mediated cardiomyocyte differentiation methods have been established, the differentiation efficiency is relatively unsatisfactory in multiple lines due to line-to-line variation. Additionally, hurdles including line-specific low expression of endogenous growth factors and the high apoptotic tendency of human pluripotent stem cells also need to be overcome to establish robust and efficient cardiomyocyte differentiation...
October 2, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28961998/human-parvovirus-b19-b19v-up-regulates-cxcr4-surface-expression-of-circulating-angiogenic-cells-implications-for-cardiac-ischemia-in-b19v-cardiomyopathy
#12
Caroline Schmidt-Lucke, Thomas Zobel, Felicitas Escher, Carsten Tschöpe, Dirk Lassner, Uwe Kühl, Knut Gubbe, Hans-Dieter Volk, Heinz-Peter Schultheiss
Background: Human parvovirus B19 (B19V) infection and damage of circulating angiogenic cells (CAC) results in dysfunctional endogenous vascular repair (DEVR) with secondary end-organ damage. Trafficking of CAC is regulated by SDF-1α and the respective receptor CXCR4. We thus tested the hypothesis of a deregulated CXCR4/SDF-1α axis in symptomatic B19V-cardiomyopathy. Methods: CAC were infected in vitro with B19V and transfected with B19V-components. Read-out were: CXCR4-expression and migratory capacity at increasing doses of SDF-1α...
August 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931784/mobilized-muse-cells-after-acute-myocardial-infarction-predict-cardiac-function-and-remodeling-in-the-chronic-phase
#13
Toshiki Tanaka, Kazuhiko Nishigaki, Shingo Minatoguchi, Takahide Nawa, Yoshihisa Yamada, Hiromitsu Kanamori, Atsushi Mikami, Hiroaki Ushikoshi, Masanori Kawasaki, Mari Dezawa, Shinya Minatoguchi
BACKGROUND: Multilineage differentiating stress-enduring (Muse) cells are SSEA3(+)and CD105(+)double-positive pluripotent-like stem cells. We aimed to examine the mobilization of Muse cells into peripheral blood after acute myocardial infarction (AMI) and their effects on left ventricular (LV) function and remodeling.Methods and Results:In 79 patients with AMI, 44 patients with coronary artery disease (CAD), and 64 normal subjects (Control), we measured the number of Muse cells in the peripheral blood by fluorescence-activated cell sorting...
September 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28873339/non-invasive-strategies-for-stimulating-endogenous-repair-and-regenerative-mechanisms-in-the-damaged-heart
#14
REVIEW
Fiona C Lewis, Siri Deva Kumar, Georgina M Ellison-Hughes
The adult myocardium, including human, harbours a population of resident multi-potent cardiac stem cells (CSCs), which when stimulated under the right conditions can give rise to new cardiomyocytes and vasculature. Elucidation of the cellular and molecular mechanisms that govern CSC biology and their role in myocardial regeneration will allow the design and development of optimal therapeutic interventions. It is now evident that different growth factors and cytokines govern CSC survival, proliferation, migration and differentiation, as well as playing a role in activating cardiac repair mechanisms such as improving angiogenesis, cardiomyocyte survival and limiting fibrosis...
September 2, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28842629/bone-marrow-derived-cells-and-their-conditioned-medium-induce-microvascular-repair-in-uremic-rats-by-stimulation-of-endogenous-repair-mechanisms
#15
Lina Golle, Hans U Gerth, Katrin Beul, Barbara Heitplatz, Peter Barth, Manfred Fobker, Hermann Pavenstädt, Giovana S Di Marco, Marcus Brand
The reduced number of circulating stem/progenitor cells that is found in chronic kidney disease (CKD) patients may contribute to impaired angiogenic repair and decreased capillary density in the heart. Cell therapy with bone marrow-derived cells (BMDCs) has been shown to induce positive effects on the microvasculature and cardiac function, most likely due to secretion of growth factors and cytokines, all of which are present in the conditioned medium (CM); however, this is controversial. Here we showed that treatment with BMDC or CM restored vascular density and decreased the extent of fibrosis in a rat model of CKD, the 5/6 nephrectomy...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28770214/cardiac-stem-cells-for-myocardial-regeneration-they-are-not-alone
#16
REVIEW
Yin Yee Leong, Wai Hoe Ng, Georgina M Ellison-Hughes, Jun Jie Tan
Heart failure is the number one killer worldwide with ~50% of patients dying within 5 years of prognosis. The discovery of stem cells, which are capable of repairing the damaged portion of the heart, has created a field of cardiac regenerative medicine, which explores various types of stem cells, either autologous or endogenous, in the hope of finding the "holy grail" stem cell candidate to slow down and reverse the disease progression. However, there are many challenges that need to be overcome in the search of such a cell candidate...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28751220/the-epicardium-as-a-source-of-multipotent-adult-cardiac-progenitor-cells-their-origin-role-and-fate
#17
REVIEW
Anke M Smits, Esther Dronkers, Marie-José Goumans
Since the regenerative capacity of the adult mammalian heart is limited, cardiac injury leads to the formation of scar tissue and thereby increases the risk of developing compensatory heart failure. Stem cell therapy is a promising therapeutic approach but is facing problems with engraftment and clinical feasibility. Targeting an endogenous stem cell population could circumvent these limitations. The epicardium, a membranous layer covering the outside of the myocardium, is an accessible cell population which plays a key role in the developing heart...
July 24, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28724793/a-bag3-chaperone-complex-maintains-cardiomyocyte-function-during-proteotoxic-stress
#18
Luke M Judge, Juan A Perez-Bermejo, Annie Truong, Alexandre Js Ribeiro, Jennie C Yoo, Christina L Jensen, Mohammad A Mandegar, Nathaniel Huebsch, Robyn M Kaake, Po-Lin So, Deepak Srivastava, Beth L Pruitt, Nevan J Krogan, Bruce R Conklin
Molecular chaperones regulate quality control in the human proteome, pathways that have been implicated in many diseases, including heart failure. Mutations in the BAG3 gene, which encodes a co-chaperone protein, have been associated with heart failure due to both inherited and sporadic dilated cardiomyopathy. Familial BAG3 mutations are autosomal dominant and frequently cause truncation of the coding sequence, suggesting a heterozygous loss-of-function mechanism. However, heterozygous knockout of the murine BAG3 gene did not cause a detectable phenotype...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28670973/cellular-mechanisms-underlying-cardiac-engraftment-of-stem-cells
#19
Pushpinder Kanda, Darryl R Davis
Over the past decade, it has become clear that long-term engraftment of any ex vivo expanded cell product transplanted into injured myocardium is modest and all therapeutic regeneration is mediated by stimulation of endogenous repair rather than differentiation of transplanted cells into working myocardium. Given that increasing the retention of transplanted cells boosts myocardial function, focus on the fundamental mechanisms limiting retention and survival of transplanted cells may enable strategies to help to restore normal cardiac function...
July 3, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28655642/the-use-and-abuse-of-cre-lox-recombination-to-identify-adult-cardiomyocyte-renewal-rate-and-origin
#20
REVIEW
Iolanda Aquila, Fabiola Marino, Eleonora Cianflone, Pina Marotta, Michele Torella, Vincenzo Mollace, Ciro Indolfi, Bernardo Nadal-Ginard, Daniele Torella
The adult mammalian heart, including the human, is unable to regenerate segmental losses after myocardial infarction. This evidence has been widely and repeatedly used up-to-today to suggest that the myocardium, contrary to most adult tissues, lacks an endogenous stem cell population or more specifically a bona-fide cardiomyocyte-generating progenitor cell of biological significance. In the last 15 years, however, the field has slowly evolved from the dogma that no new cardiomyocytes were produced from shortly after birth to the present consensus that new cardiomyocytes are formed throughout lifespan...
June 24, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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