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.

Biology / Cell & Microbiology

created Jan 06, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast report

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

created Jun 20, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 ...

Medicine & Health / Research

created Mar 22, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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) ...

Medicine & Health / Research

created Feb 07, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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

created Aug 01, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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 ...

Chemistry / Biochemistry

created Jul 09, 2010 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

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

created Jun 23, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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, ...

Biology / Cell & Microbiology

created Jun 03, 2010 | popularity 5 / 5 (2) | comments 0

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 ...

Nanotechnology / Nanophysics

created May 13, 2010 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast weblog

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

created Apr 13, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

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

created Mar 09, 2010 | popularity not rated yet | comments 0

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

created Feb 16, 2010 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

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.

Biology / Plants & Animals

created Jan 18, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast report

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 ...

Medicine & Health / Genetics

created Jan 07, 2010 | popularity not rated yet | comments 0 | with audio podcast

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 ...

Medicine & Health / Research

created Oct 14, 2009 | popularity not rated yet | comments 0