Articles with the keyword: 
Pittsburgh scientists identify human source of stem cells with potential to repair muscle
sumsung submitted, created time 1 year 2 months (www.eurekalert.org)
For the first time, scientists at Children's Hospital of Pittsburgh of UPMC have discovered a unique population of adult stem cells derived from human muscle that could be used to treat muscle injuries and diseases such as heart attack and muscular dystrophy. 
Distinct roles of E2F proteins in vascular smooth muscle cell proliferation and intimal hyperplasia
bianjie submitted, created time 1 year 4 months (www.pnas.org)
Intimal hyperplasia (IH) and restenosis limit the long-term utility of bypass surgery and angioplasty due to pathological proliferation and migration of vascular smooth muscle cells (VSMCs) into the intima of treated vessels.
A closer look at energy transduction in muscle
sumsung submitted, created time 1 year 4 months (www.pnas.org)
Muscular force is the sum of unitary force interactions generated as filaments of myosins move forcibly along parallel filaments of actins, understanding that the free energy required comes from myosin-catalyzed ATP hydrolysis.
More muscle for the argument to give up smoking
bianjie submitted, created time 1 year 4 months (www.nottingham.ac.uk)
Researchers at the University of Nottingham have got more bad news for smokers. Not only does it cause cancer, heart attacks and strokes, but smokers will also lose more muscle mass in old age than a non-smoker. The effect of this predisposes smokers to an accelerated decline in physical function and loss of independence.
Dinosaur hearing, listening to muscle noise, quieter cubicles
fiona submitted, created time 1 year 6 months (www.biologynews.net)
How did the hearing of dinosaurs compare to that of present-day animal species" What are some ways to improve acoustical conditions in office cubicles" How can sound waves diagnose and monitor muscle activity"
Study shows hibernating bears conserve more muscle strength than humans on bed rest do
medal submitted, created time 1 year 7 months (www.biologynews.net)
"A fascinating new study from the May/June 2007 issue of Physiological and Biochemical Zoology quantifiably measures the loss of strength and endurance in black bears during long periods of hibernation. T.D. Lohuis (Alaska Department of Fish and Game) and his coauthors find that black bears in hibernation lose about one-half as much skeletal muscle strength as humans confined to bed rest for similar periods of time do. "
channel submitted, created time 1 year 7 months (www.pnas.org)
Mutations in the human laminin {alpha}2 (LAMA2) gene result in the most common form of congenital muscular dystrophy (MDC1A). There are currently three models for the molecular basis of cellular pathology in MDC1A, here the scientists show that the degenerative muscle phenotype in the zebrafish dystrophic mutant, candyfloss (caf) results from mutations in the laminin {alpha}2 (lama2) gene. In vivo time-lapse analysis of mechanically loaded fibers and membrane permeability assays suggest that, unlike DMD, fiber detachment is not initially associated with sarcolemmal rupture
Asthma soothed by airway radio-blasts
amanda submitted, created time 1 year 8 months (www.newscientist.com)
"A device that uses radio waves to heat the muscle lining of patients' airways appears to treat their asthma, according to a new study."
Dietary Supplement for Parkinson's Eyed
badboy submitted, created time 1 year 8 months (hosted.ap.org)
"Government scientists want to know if a dietary supplement thought to boost muscles might boost the brains of Parkinson's patients."
Absence of neck can be bad for health
Darkfrog submitted, created time 1 year 9 months (www.nytimes.com)
No, I'm not talking about the French Revolution or tragic eyelash curler accident. People who work out so much that their necks disappear into a glob of muscle may suffer serious circulatory consequences.
Extra vitamin D reduces falls by elderly
amber submitted, created time 1 year 9 months (www.sciam.com)
Getting plenty of vitamin D can help prevent falls among people living in nursing homes, a new study confirms.
Among 124 nursing home residents, those who were taking 800 units of vitamin D daily were 72 percent less likely to fall over a five-month period than those on an inactive 'placebo' supplement, Kerry E. Broe and colleagues report in the Journal of the American Geriatrics Society
DNA2004 submitted, created time 1 year 9 months (www.nature.com)
Skeletal muscle has the ability to achieve rapid repair in response to injury or disease1. Many individuals with Marfan syndrome (MFS), caused by a deficiency of extracellular fibrillin-1, exhibit myopathy and often are unable to increase muscle mass despite physical exercise. Evidence suggests that selected manifestations of MFS reflect excessive signaling by transforming growth factor (TGF)- (refs. 2,3)
Salamander trumps toad as Mr Universe
Vampire submitted, created time 1 year 9 months (www.newscientist.com)
Hop away toads, you've lost your title as the world's strongest animal. That honour now passes to the giant palm salamander Bolitoglossa dofleini, whose tongue explodes outward with more instantaneous power than any other known vertebrate muscle. At 18,000 watts of power per kilogram of muscle, the salamander, from the forest floors of Central America, is nearly twice as strong as the previous champ, the Colorado river toad Bufo alvarius
Muscles, not fat, strengthen bones
catherine submitted, created time 1 year 10 months (www.sciam.com)
Researchers speculated that excess fat, which places more weight on the bones, may help build stronger bones in young people. However, a new study has found that this is not the case.
The researchers found strong associations between lean body mass and bone size and density. But the amount of fat mass either had no relationship to measures of bone strength or a negative one, meaning the more fat mass, the less dense the bone. The findings back up the idea that "bone strength is primarily determined by dynamic loads from muscle force, not static loads, such as fat mass"
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