News tagged with potassium ions
RNA editing responsible for colder water survival in octopus
(PhysOrg.com) -- Researchers have discovered that when it comes to the survival of an octopus living in frigid waters, the reasoning is not a difference in the gene DNA but rather a difference in the RNA editing.
Jan 06, 2012 |
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Changes in one heart molecule lead to arrhythmia
(Medical Xpress) -- A University at Albany biologist and his research team have discovered that a tiny cardiac molecule may have major implications for understanding irregular heartbeat, or arrhythmia. Haijun ...
Medicine & Health / Cardiology
Jun 20, 2011 |
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Scientists crack molecular code regulating neuronal excitability
A key question in protein biochemistry is how proteins recognize "correct" interaction partners in a sea of cellular factors. Nowhere is that more critical to know than in the brain, where interactions governing ...
Mar 22, 2011 |
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A second pathway for antidepressants: New fluorescent assay reveals TREK1 mechanism
(PhysOrg.com) -- Using a unique and relatively simple cell-based fluorescent assay they developed, scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) ...
Feb 07, 2011 |
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Epileptic seizures may be linked to an ancient gene family
New research points to a genetic route to understanding and treating epilepsy. Timothy Jegla, an assistant professor of biology at Penn State University, has identified an ancient gene family that plays a ...
Medicine & Health / Neuroscience
Aug 01, 2010 |
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New perspective in ion channel indicates treatment potential
Scientists researching a toxin extracted from the venom of the honey bee have used this to inform the design of new treatments to alleviate the symptoms of conditions such as muscular dystrophy, depression ...
Jul 09, 2010 |
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Solving the puzzle of the BK ion channel (w/ Video)
In 2004, Washington University in St. Lous researcher Jianmin Cui was handed a puzzling clue to the structure of an ion channel his lab had been studying for five years.
Medicine & Health / Neuroscience
Jun 23, 2010 |
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Gates open on understanding potassium channel controls
Walter and Eliza Hall Institute scientists have made a significant advance in understanding how potassium channels, which permit the flow of electric currents central to many of the body's biological processes, ...
Jun 03, 2010 |
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Nanotube transistor controlled by ATP could improve man-machine communication
Scientists have built a hybrid bionanoelectronic transistor that can be powered by ATP, or adenosine triphosphate, the energy currency in living cells. The researchers, Aleksandr Noy and colleagues from Lawrence Livermore ...
May 13, 2010 |
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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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Grandfathered drug for high potassium has no proven benefit
For more than half a century, products containing ion exchange resins have been used in patients with dangerously high levels of potassium. However, there is no convincing evidence that these products are actually effective, ...
Medicine & Health / Medications
Mar 09, 2010 |
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Neuroscientists reveal new links that regulate brain electrical activity
Investigators in the Hotchkiss Brain Institute, Faculty of Medicine, have made a major breakthrough in our understanding of nerve impulse generation within the brain. Brain cells communicate with each other by firing electrical ...
Medicine & Health / Neuroscience
Feb 16, 2010 |
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Ion exchange may be most important driver of gill development in fish
(PhysOrg.com) -- A long-standing theory is that the first function of fish gills was to allow fish to breathe, but new research is casting doubt on the idea that this activity developed first.
Jan 18, 2010 |
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Periodic paralysis study reveals gene causing disorder
Scientists have identified a gene underlying a disease that causes temporary paralysis of skeletal muscle. The finding, they say, illustrates how investigations of rare genetic diseases can drive insights into more common ...
Jan 07, 2010 |
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Scientists find 'molecular trigger' for sudden death in epilepsy
The most common gene for a syndrome associated with abnormal heart rhythms and sudden death triggers epileptic seizures and could explain sudden unexplained death in epilepsy, said researchers from Baylor College of Medicine ...
Oct 14, 2009 |
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