ESC Congress 2003
Adult heart cells have limited regenerative capacity and therefore any significant cell loss, such as occurs during a heart attack, is mostly irreversible and may lead to the development of progressive heart failure. Congestive heart failure is one of the leading causes of morbidity and mortality in the western world, placing a significant economic burden on the health care systems. Despite advances in the medical, interventional, and surgical therapeutic measures, the prognosis for these patients remains unacceptably poor. With a chronic lack of donors limiting the number of patients who can benefit from heart transplantations, development of new therapeutic paradigms for heart failure has become imperative
A potential novel therapeutic approach for this situation may be to replace the dysfunctional or scarred tissue with new myogenic cells. However, this cell replacement strategy has been hampered by the lack of cell sources for human heart cells and by the lack of direct evidence for functional integration of donor and host tissues. We describe the establishment of a novel source of cardiomyocytes for cell therapy, the human embryonic stem cell differentiating system. Our results demonstrate that these unique cells can differentiate in the dish to generate spontaneously contracting tissue with the structural and functional properties of cardiac cells. We also demonstrate that the generated cardiac tissue can integrate in vitro with preexisting cardiac cultures as to form a single functional unit.
Camilla Dormer | alfa
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Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
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In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
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COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
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'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
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