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Generation of cardiomyocytes from embryonic stem cells experimental studies. 2002

Agapios Sachinidis, and Eugen Kolossov, and Bernd K Fleischmann, and Jürgen Hescheler
Department of Neurophysiology, University of Cologne, Germany. A.Sachindis@uni-koeln.de

BACKGROUND Cardiomyopathy is characterized by the loss of functional cardiomyocytes resulting in heart failure. More recently, there is increasing evidence from animal studies that transplantation of cardiomyocytes may represent a valuable approach for the treatment of severe heart failure. Treatment of cardiovascular diseases using cardiomyocytes derived from embryonic stem cells prerequisites establishment of pure lineages of early embryonic cardiomyocytes from human embryonic stem cells. The development of cardiac cells from embryonic stem cells is regulated by several growth factors such as TGF-beta, IGF FGF and erythropoietin. After binding to their receptor, growth factors induce expression of a number of cardiac specific transcription factors such as the zinc finger GATA proteins and Nkx-2.5, a coactivator of the GATA-4 protein. The GATA-4 transcription factor and Nkx-2.5 are essential for heart development. In parallel to adult cardiomyocytes, embryonic stem cell-derived cardiomyocytes developmentally express cardiac specific proteins and ion channels. Recently, it has been shown that pure cardiomyocytes can be generated from genetically manipulated embryonic stem cells. In order to achieve the selective cardiac differentiation of embryonic stem cells different culture conditions are currently tested to examine in the future the influence of different growth factors. However, although significant progress has been made in generating pure cardiomyocytes, further efforts are required to avoid possible immunological rejection of the engrafted cardiomyocytes. Thus, a main challenge in the future will be the establishment of pure lineages of cardiomyocytes derived from human embryonic stem cells.

UI MeSH Term Description Entries
D008297 Male Males
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D004330 Drosophila A genus of small, two-winged flies containing approximately 900 described species. These organisms are the most extensively studied of all genera from the standpoint of genetics and cytology. Fruit Fly, Drosophila,Drosophila Fruit Flies,Drosophila Fruit Fly,Drosophilas,Flies, Drosophila Fruit,Fly, Drosophila Fruit,Fruit Flies, Drosophila
D004622 Embryo, Mammalian The entity of a developing mammal (MAMMALS), generally from the cleavage of a ZYGOTE to the end of embryonic differentiation of basic structures. For the human embryo, this represents the first two months of intrauterine development preceding the stages of the FETUS. Embryonic Structures, Mammalian,Mammalian Embryo,Mammalian Embryo Structures,Mammalian Embryonic Structures,Embryo Structure, Mammalian,Embryo Structures, Mammalian,Embryonic Structure, Mammalian,Embryos, Mammalian,Mammalian Embryo Structure,Mammalian Embryonic Structure,Mammalian Embryos,Structure, Mammalian Embryo,Structure, Mammalian Embryonic,Structures, Mammalian Embryo,Structures, Mammalian Embryonic
D004625 Embryo, Nonmammalian The developmental entity of a fertilized egg (ZYGOTE) in animal species other than MAMMALS. For chickens, use CHICK EMBRYO. Embryonic Structures, Nonmammalian,Embryo, Non-Mammalian,Embryonic Structures, Non-Mammalian,Nonmammalian Embryo,Nonmammalian Embryo Structures,Nonmammalian Embryonic Structures,Embryo Structure, Nonmammalian,Embryo Structures, Nonmammalian,Embryo, Non Mammalian,Embryonic Structure, Non-Mammalian,Embryonic Structure, Nonmammalian,Embryonic Structures, Non Mammalian,Embryos, Non-Mammalian,Embryos, Nonmammalian,Non-Mammalian Embryo,Non-Mammalian Embryonic Structure,Non-Mammalian Embryonic Structures,Non-Mammalian Embryos,Nonmammalian Embryo Structure,Nonmammalian Embryonic Structure,Nonmammalian Embryos,Structure, Non-Mammalian Embryonic,Structure, Nonmammalian Embryo,Structure, Nonmammalian Embryonic,Structures, Non-Mammalian Embryonic,Structures, Nonmammalian Embryo,Structures, Nonmammalian Embryonic
D005544 Forecasting The prediction or projection of the nature of future problems or existing conditions based upon the extrapolation or interpretation of existing scientific data or by the application of scientific methodology. Futurology,Projections and Predictions,Future,Predictions and Projections
D006084 Graft Rejection An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient. Transplant Rejection,Rejection, Transplant,Transplantation Rejection,Graft Rejections,Rejection, Graft,Rejection, Transplantation,Rejections, Graft,Rejections, Transplant,Rejections, Transplantation,Transplant Rejections,Transplantation Rejections
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts

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