News tagged with calcium channels

Researchers illuminate link between sodium, calcium and heartbeat

Using the Canadian Light Source synchrotron, researchers from the University of British Columbia have revealed, for the first time, one of the molecular mechanisms that regulates the beating of heart cells by controlling ...

Medicine & Health / Research

created 8 hours ago | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Protein structures give disease clues

Using some of the most powerful nuclear magnetic resonance equipment available, researchers at the University of California, Davis, are making discoveries about the shape and structure of biological molecules ...

Chemistry / Biochemistry

created Feb 01, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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.

Biology / Biotechnology

created Dec 15, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Scientists merge spider silk, human muscle to design a novel, self-assembling peptide

(Medical Xpress) -- Because of its high water content and polymer network, peptide hydrogel is a promising material for protein storage and transfer without significant loss of their biological activity. These hydrogels have ...

Medicine & Health / Research

created Dec 02, 2011 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Neurons grown from skin cells may hold clues to autism

Potential clues to how autism miswires the brain are emerging from a study of a rare, purely genetic form of the disorders that affects fewer than 20 people worldwide. Using cutting-edge "disease-in a-dish" ...

Medicine & Health / Research

created Nov 27, 2011 | popularity 4.5 / 5 (4) | comments 1 | with audio podcast

The architects of the brain: Scientists decipher the role of calcium signals

German neurobiologists have found that certain receptors for the neurotransmitter glutamate determine the architecture of nerve cells in the developing brain. Individual receptor variants lead to especially long and branched ...

Medicine & Health / Neuroscience

created Oct 26, 2011 | popularity 5 / 5 (3) | comments 0

Study shows Alzheimer's disease-related peptides form toxic calcium channels in the plasma membrane

Alzheimer's disease is triggered by the inappropriate processing of amyloid precursor protein to generate excess amounts of short peptide fragments called A-beta. For many years, the neurodegeneration associated with Alzheimer's ...

Biology / Cell & Microbiology

created Oct 24, 2011 | popularity not rated yet | comments 0

New clues to molecular understanding of autism

The first transgenic mouse model of a rare and severe type of autism called Timothy Syndrome is improving the scientific understanding of autism spectrum disorder in general and may help researchers design more targeted interventions ...

Medicine & Health / Research

created Sep 12, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Study finds new role for protein in hearing

University of Iowa scientists have discovered a new role for a protein that is mutated in Usher syndrome, one of the most common forms of deaf-blindness in humans. The findings, which were published Aug. 8 in Nature Neuroscience, may he ...

Medicine & Health / Neuroscience

created Aug 15, 2011 | popularity not rated yet | comments 3 | with audio podcast

Weakness in aging tied to leaky muscles

There is a reason exercise becomes more difficult with age. A report in the August Cell Metabolism, a Cell Press publication, ties the weakness of aging to leaky calcium channels inside muscle cells. But there is some good n ...

Medicine & Health / Research

created Aug 02, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Timothy syndrome mutations provide new insights into the structure of L-calcium channel

The human genome encodes 243 voltage-gated ion channels. Mutations in calcium channels can cause severe inherited diseases such as migraine, night blindness, autism spectrum disorders and Timothy syndrome, ...

Medicine & Health / Research

created Jul 14, 2011 | popularity not rated yet | comments 0

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 ...

Chemistry / Biochemistry

created Jun 19, 2011 | popularity 5 / 5 (10) | comments 2 | with audio podcast

Aurora A may contribute to kidney disease

The Aurora A kinase may contribute to polycystic kidney disease (PKD) by inactivating a key calcium channel in kidney cells, according to a study in the June 13 issue of The Journal of Cell Biology.

Biology / Cell & Microbiology

created Jun 13, 2011 | popularity not rated yet | comments 0

New target to wipe pain away mapped

Researchers at the Indiana University School of Medicine have discovered a peptide that short circuits a pathway for chronic pain. Unlike current treatments this peptide does not exhibit deleterious side effects such as ...

Medicine & Health / Neuroscience

created Jun 05, 2011 | popularity 3.8 / 5 (5) | comments 0 | with audio podcast

Important role for the cerebellum

Hereditary diseases such as epilepsy or various coordination disorders may be caused by changes in nerve cells of the cerebellum, which do not set in until after birth. This is reported by Bochum's neuroscientists in the Jo ...

Medicine & Health / Neuroscience

created Mar 18, 2011 | popularity 5 / 5 (1) | comments 0