News tagged with channel protein
Cell's power generator depends on long-sought protein: 50-year search for calcium channel ends
(PhysOrg.com) -- Mitochondria, those battery-pack organelles that fuel the energy of almost every living cell, have an insatiable appetite for calcium. Whether in a dish or a living organism, the mitochondria ...
Jun 19, 2011 |
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Researchers get a first look at the mechanics of membrane proteins
In two new studies, researchers provide the first detailed view of the elaborate chemical and mechanical interactions that allow the ribosome – the cell's protein-building machinery – to insert a ...
Apr 17, 2011 |
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Unusual protein helps regulate key cell communication pathway
Charged atoms, or ions, move through tiny pores, or channels, embedded in cell membranes, generating the electrical signals that allow cells to communicate with one another. In new research, scientists have ...
Apr 23, 2012 |
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Gene discovery explains how fruit flies retreat from heat
A discovery in fruit flies may be able to tell us more about how animals, including humans, sense potentially dangerous discomforts.
Dec 15, 2011 |
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Researchers find new 'molecular motors' that bacteria use to transport proteins
(PhysOrg.com) -- Joshua Shaevitz, an assistant professor from the Department of Physics and the Lewis-Sigler Institute for Integrative Genomics at Princeton University, along with Mingzhai Sun, a postdoctoral associate at ...
Jun 13, 2011 |
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Small change makes a big difference for ion channels
Using a high-resolution single-molecule study technique, University of Illinois researchers have seen the very subtle differences between two branches of an important family of neurotransmitter-gated ion channels.
Jun 02, 2011 |
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Potassium channel gene modifies risk for epilepsy
Vanderbilt University researchers have identified a new gene that can influence a person's risk for developing epilepsy. The findings, reported in the March 29 Proceedings of the National Academy of Sciences, could improv ...
Apr 04, 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 ...
Medicine & Health / Medical research
Mar 22, 2011 |
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Process leading to protein diversity in cells important for proper neuron firing
(PhysOrg.com) -- Researchers at the University of Pennsylvania School of Medicine have documented a novel form of splicing in the cytoplasm of a nerve cell, which dictates a special form of a potassium channel ...
Medicine & Health / Medical research
Nov 17, 2010 |
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Protein provides link between calcium signaling in excitable and non-excitable cells
A calcium-sensing protein, STIM1, known to activate store-operated calcium channels has been found to also inhibit voltage-operated calcium channels, according to researchers at Temple University.
Medicine & Health / Medical research
Oct 01, 2010 |
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Back to the future for flu fighters
(PhysOrg.com) -- Australian National University researchers have breathed new life into an old protein drug target in a discovery that could open the door to a new range of drugs to combat influenza.
Medicine & Health / Medical research
Jul 20, 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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How fruit flies taste water
(PhysOrg.com) -- The ability to detect water and regulate water intake is essential for all animals because if cells have too little or too much water the consequences for the animal can be disastrous. It ...
Apr 08, 2010 |
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Chemists discover how antiviral drugs bind to and block flu virus
Antiviral drugs block influenza A viruses from reproducing and spreading by attaching to a site within a proton channel necessary for the virus to infect healthy cells, according to a research project led ...
Feb 03, 2010 |
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Study shows a key protein helps control blood pressure
University of Iowa researchers have shown that a protein channel helps nerve sensors in blood vessels keep blood pressure in check. Without the protein channel, known as ASIC2, the sensors are unable to send the brain the ...
Medicine & Health / Medical research
Dec 23, 2009 |
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