Cardiology
Computer model predicts how drugs affect heart rhythm
UC Davis Health researchers have developed a computer model to screen drugs for unintended cardiac side effects, especially arrhythmia risk.
Apr 11, 2020
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Page 3 - News tagged with potassium channels
Genetics
Gene mutation enhances cognitive flexibility in mice, study suggests
Researchers at the National Institutes of Health have discovered in mice what they believe is the first known genetic mutation to improve cognitive flexibility—the ability to adapt to changing situations.
Mar 27, 2020
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Medications
Health researchers find solution to life-threatening side effect
Most people know about the painkiller paracetamol, commonly used against headaches and ingested orally.
Mar 25, 2020
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Medical research
Ball-and-chain inactivation of ion channels visualized by cryo-electron microscopy
Ion channels, which allow potassium and sodium ions to flow in and out of cells, are crucial in neuronal 'firing' in the central nervous system and for brain and heart function. These channels use a "ball-and-chain" mechanism ...
Mar 18, 2020
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Cardiology
An atomic view of the trigger for the heartbeat
Atomic-level studies of the architecture of tiny sodium channel proteins, critical to generating electrical signals that start off each beat of the heart, are imparting striking details about their function, malfunctions, ...
Dec 20, 2019
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Neuroscience
Why myelinated mammalian nerves are fast and allow high frequency
University of Alabama at Birmingham researchers, for the first time ever, have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, they found unexpected ...
Nov 6, 2019
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Neuroscience
New study explains molecular mechanism of botanical folk medicines used to treat hypertension
Common herbs, including lavender, fennel and chamomile, have a long history of use as folk medicines used to lower blood pressure. In a new study, University of California, Irvine researchers explain the molecular mechanisms ...
Sep 30, 2019
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Ophthalmology
Potassium balance and glaucoma
Retinal ganglion cells (RGCs) make up the optic nerve. When RGCs degenerate due to elevated intraocular pressure caused by glaucoma, vision is lost.
Jul 17, 2019
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Cardiology
Caution: Grapefruit juice may impose risk on patients with long QT syndrome
Grapefruit juice is already listed as a substance to avoid when taking QT-prolonging medications because it increases the toxicity of many drugs. Investigators have now confirmed the QT-prolonging effects of grapefruit juice ...
May 8, 2019
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290
Neuroscience
New discovery in how mammals sense the cold could lead to new pain relief drugs
Researchers at UCL have shown for the first time that mammals detect different intensities of cold using distinct sensory neuron systems, a finding which could lead to the development of new drugs to treat cold pain.
Apr 24, 2019
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