News tagged with muscle function
Exercise has benefits, even when it's done in space
Astronauts have been taking part in short spaceflight missions since 1961. They have only recently begun to spend significantly longer times in space, with missions extending for months, since the days of the Russian Mir ...
Space & Earth / Space Exploration
Mar 22, 2012 |
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How muscle cells seal their membranes
Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, ...
Mar 14, 2012 |
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Scientists use silk from the tasar silkworm as a scaffold for heart tissue
(PhysOrg.com) -- Damaged human heart muscle cannot be regenerated. Scar tissue grows in place of the damaged muscle cells. Scientists from the Max Planck Institute for Heart and Lung Research in Bad Nauheim ...
Jan 30, 2012 |
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Researchers find pet kidney injuries are similar to human kidney injuries
When evaluating early kidney injuries in people, doctors monitor blood level increases of creatinine, a waste product of muscle breakdown, to understand the severity of the injury. Creatinine is filtered by the kidneys, and ...
Dec 19, 2011 |
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Mechanical engineer creates robot Venus Flytrap
(PhysOrg.com) -- Mohsen Shahinpoor, a professor of mechanical engineering at the University of Maine has created a robot version of the infamous bug eating Venus Flytrap, using a material he invented himself ...
Oct 27, 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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Positioning enzymes with ease
Virtually all processes in the human body rely on a unique class of proteins known as enzymes. To study them, scientists want to attach these molecules to surfaces and hold them fast, but this can often be ...
Apr 11, 2011 |
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Youth with IBD are less fit than their peers: study
Children and adolescents growing up with inflammatory bowel disease (IBD) are less fit than their peers, says a study by researchers at McMaster University and the McMaster Children's Hospital.
Medicine & Health / Diseases, Conditions, Syndromes
Mar 16, 2011 |
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Researchers find novel role for calcium channels in pacemaker cell function
Pacemaker cells in the sinoatrial node control heart rate, but what controls the ticking of these pacemaker cells? New research by Angelo Torrente and his colleagues of the M.E. Mangoni group's, reveals, for the first time, ...
Mar 09, 2011 |
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Peripheral artery disease harder on women
Small calf muscles may be a feminine trait, but for women with peripheral artery disease (PAD) they're a major disadvantage. Researchers at Northwestern Medicine point to the smaller calf muscles of women as a gender difference ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 04, 2011 |
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Lessons on bird-watching
What do emus, ostriches, and humans have in common? Similar walking and running mechanics and the ability to use energy efficiently, according to a new study coauthored by Northeastern University researcher ...
Dec 21, 2010 |
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A 'stitch in time' could help damaged hearts
A research team at Worcester Polytechnic Institute (WPI) has demonstrated the feasibility of a novel technology that a surgeon could use to deliver stem cells to targeted areas of the body to repair diseased ...
Medicine & Health / Medical research
Dec 09, 2010 |
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The couch potato effect: Deletion of key muscle protein inhibits exercise
Daniel Kelly, M.D., and his colleagues at Sanford-Burnham Medical Research Institute (Sanford-Burnham) at Lake Nona have unveiled a surprising new model for studying muscle function: the couch potato mouse. While these mice ...
Medicine & Health / Medical research
Nov 30, 2010 |
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Stem cell secreted protein can be given to reduce scarring and improve heart function
(PhysOrg.com) -- Heart tissue and stem cells spring into action to begin repairing muscle damaged in a heart attack, and researchers at Duke University School of Medicine found that a protein naturally produced in the body ...
Medicine & Health / Medical research
Nov 17, 2010 |
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Rare genetic disorder highlights importance of selenium
A rare genetic disorder has highlighted the importance to human health of selenium, a little known trace element. The discovery, reported today in the Journal of Clinical Investigation, may also shed light ...
Medicine & Health / Medical research
Nov 16, 2010 |
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