News tagged with heart signal
Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012 |
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Mechanism discovered by which body's cells encourage tuberculosis infection
Scientists have discovered a signaling pathway that tuberculosis bacteria use to coerce disease-fighting cells to switch allegiance and work on their behalf. Epithelial cells line the airways and other surfaces ...
Medicine & Health / Medical research
Dec 10, 2009 |
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Scientists solve a mystery of bacterial growth and resistance
Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms. Such improved understanding might eventually aid the development ...
Apr 26, 2012 |
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Sea squirt cells shed light on cancer development
Specialized structures used by cancer cells to invade tissues could also help them escape protection mechanisms aimed at eliminating them, a UA-led research team has discovered.
Jul 26, 2011 |
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Dynamics of crucial protein 'switch' revealed
Researchers at the University of Texas Medical Branch at Galveston and the University of California-San Diego School of Medicine have published a study that offers a new understanding of a protein critical to physiological ...
May 17, 2011 |
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Review: GPS running watches offer improvements
My accessories for last month's Mardi Gras Marathon in New Orleans included a pair of bead necklaces and three watches.
Electronics / Consumer & Gadgets
Mar 16, 2011 |
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Gene identified for sudden unexpected death in epilepsy
A mutation in a brain protein gene may trigger irregular heart beat and sudden death in people with epilepsy, according to new research in the April 14 issue of The Journal of Neuroscience. People with epilep ...
Medicine & Health / Neuroscience
Apr 13, 2010 |
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New method to grow arteries could lead to 'biological bypass' for heart disease
A new method of growing arteries could lead to a "biological bypass"—or a non-invasive way to treat coronary artery disease, Yale School of Medicine researchers report with their colleagues in the April issue of Journal of ...
Medicine & Health / Medical research
Mar 08, 2010 |
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New study has implications for understanding ion channel defects
(PhysOrg.com) -- A University of Wisconsin School of Medicine and Public Health team has made a discovery important to the millions of people who are on common medications for heart and neurological diseases.
Medicine & Health / Medical research
Feb 01, 2010 |
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Research shows why low vitamin D raises heart disease risks in diabetics
Low levels of vitamin D are known to nearly double the risk of cardiovascular disease in patients with diabetes, and researchers at Washington University School of Medicine in St. Louis now think they know ...
Medicine & Health / Diseases, Conditions, Syndromes
Aug 22, 2009 |
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Scientists eavesdrop on the exciting conversations within cells
Scientists have discovered the secrets of a sophisticated molecule that plays a role in many aspects of human health from fertility to blood pressure; digestion to mental health. This has opened up the potential for discovery ...
Biology /
Feb 25, 2009 |
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'Smart scaffolds' may help heal broken hearts
Canadian researchers have, for the first time, developed an organic substance that attracts and supports cells necessary for tissue repair and can be directly injected into problem areas. This development, published online ...
Medicine & Health / Medical research
Jan 12, 2009 |
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Oxidative stress: Less harmful than suspected?
Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated ...
Dec 05, 2011 |
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New delivery system for Viagra ingredient
Scientists are reporting development and successful initial tests of a potential new delivery system for the biological signaling agent responsible for the effects of Viagra. It could be used to deliver the ...
Jun 22, 2011 |
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Signaling path in brain may prevent that 'I'm full' message, scientists discover
Researchers at UT Southwestern Medical Center have identified a signaling pathway in the brain that's sufficient to induce cellular leptin resistance, a problem that decreases the body's ability to "hear" that it is full ...
Medicine & Health / Medical research
Mar 01, 2011 |
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