Tag: "heart" at biology news
Biggest Acoustics Meeting Ever
... includingmany stress-related ones such as raising heart
rates and blood pressure. Medical scientists fear thatexcessive noise in hospitals can compromise the normal development of newborns, especially those inintensive care units. Studying the neonatal intensive care units of an Ottawa hospital, Chantal L...
Very Fruitful Collaboration Between French And German Scientists Yields Unusual Insights Into The Structure Of Membrane Proteins
...n. The thermal motions of the labeled atoms in the heart
of the protein, however, demonstrate stiffer behavior and, at room temperature, they have significantly smaller amplitudes of motion. Contrary to the bulk mean behavior, they appear to be shielded from solvent m...
Gene Detected That Decreases "Bad" LDL Cholesterol In Men May Cut Heart Disease Risk By 50 Percent
...helps keep bad cholesterol at bay -- and mayreduce heart
disease risk by 50 percent -- has been discovered ...ty deposits that canclog blood vessels and cause a heart
attack or stroke. The gene for MTP provides the blueprint for production of the protein that helpsa...
Duke Researchers Finds That Moderate Caffeine Use Boosts Blood Pressure, Potential For Heart Disease
...a mugs of coffee each day can boostblood pressure, heart
rate and stress levels enough to increase a person's riskof developing heart
disease over a lifetime of moderate caffeine consumption,according to a Duke University researcher. ...
Gene May Hold Key To Treating Life-Threatening Cholesterol
...s of cholesterol cause arteriosclerosis leading to heart
attacks. "Without LXR-alpha the animals completely lose their ability to deal with dietary cholesterol," said Dr. David Mangelsdorf, senior author of the paper, associate professor of pharmacology and Howard Hughes Medical Institute (HHMI) investigat...
Protecting the Beat Of Life: Test Center Studies Interaction Between Pacemakers & Electronic Article Surveillance Systems
...owit to respond to the specific needs of an ailing heart
make itpotentially vulnerable to outside electroma...ipment can generate signals similar to those ofthe heart
itself. "In any electromagnetic environment, the field or its modulationcould mimic a heartbeat," W...
Researchers Discover Novel Gene Family Responsible For Pacemaker Activity In Brain And Heart
...ORK, NY, May 28, 1998 -- Normal functioning of the heart
and thebrain depends upon specialized cells that a...he related genesdescribed in Cell are found in the heart
as well as the brain. The new worknot only confirms that the gene reported in December specifies a p...
Gene-Altered Mice Boost Studies of Cardiomyopathy: Enables Research Into Causes And Treatment Of Heart Failure
...rdiomyopathy is an important cause of congestive heart
failure , which affects more than four million Americans. Congestive heart
failure is the most common cause of hospitalization for patients over the age of 65 and a leading ca...
Space Grown Insulin Crystals Provide New Data On Diabetes
...the understanding of many diseases,including AIDS, heart
disease, cancer, respiratory syncytial virus, sickle cellanemia, hepatitis and rheumatoid arthritis....
Micro-Plants Yield Pharmaceutical New Wave
...aceuticals - anti-cancer, antibiotic and improved heart
function drugs-have been found." "These tiny plants are unique packages of all the components needed to support life, and are therefore a tremendous source of untapped biochemicals with health benefits and wealth-generating potential. There is n...
After The Wine Is Made, The Rest Of The Grape May Be Good For You
...om oxidation may play a role inpreventing coronary heart
disease, Meyer says. Over 4 million tons of grape pomace are produced annually, but it is currentlyused as a cattle feed, a soil conditioner, or sent to a landfill. Meyersuggests that her work may be useful in the commercial exploitation of grapepom...
Researchers Show Mechanism And Similarities Of Biological Clocks
... of sleep disorders. The clockmay also explain why heart
attacks occur more often in the morning and asthmaflare-ups more often at night. Some neurobiologists believe that higher species evolved morespecialized mechanisms built around the ancient "core oscillator." Theseaccessories would allow an o...
Newly Recognized Cell-Surface Receptor Protects Heart Tissue Against Damage
...iovascular disease. Thisdisease, which occurs when heart
cells don't get enough oxygen, accounts fornearly 90 percent of the 1.5 million heart
attacks Americans suffer annually. The research team found that receptors for adenosine -- a...
Molecular Key To Heart Failure Development
...as identified a molecular key to thedevelopment of heart
failure, the most common form of cardiac disease. ...rolina at Chapel Hill School ofMedicine, prevented heart
failure in a strain of mice genetically engineered todevelop the disease. They were able to do so by...
Obesity Gene: Possible Link To Heart Disease Risk
...product of the obesity gene, and risk for coronary heart
disease, the cause ofheart attacks, say researcher...roland elevations in insulin -- sets the stage for heart
disease. Insulin is ahormone that helps the body use glucose, its main fuel. An excess of insulin ...
Circulatory Device -- A Bridge To Recovery For Heart Failure?
DALLAS, June 16 -- The dying heart
cells of individuals with heart
failure werebrought back to life with the help of a mechanical circulation device, reportresearchers...
Vitamin C May Reduce Angina, Heart Attack Risks
...f unstable angina pectoris andreducing the risk of heart
attack and stroke, new studies suggest. The recent... "These studies are providing a new perspective on heart
disease," said BalzFrei, professor and director of the Linus Pauling Institute at OSU."Atheroscleros...
Body Building: Tissue Engineered Organs A Heartbeat Away
...lacements; initially,however, it will focus on the heart
and is expected to produce significantspin-off ben...order to 'grow' a heart, we first need to 'grow' a heart
valve, " saysSefton, adding that the creation of transplantable valves will substantiallyreduce the ...
Tiny Molecular Channels Key To Protecting Heart During Attack
...understandingthe chain of events that protects the heart
against injury during a heartattack, paving the wa... coronaryblood flow stoppages that precede a major heart
event protect the heart
againstsevere damage. Mitochondria convert carbohydrate energy into ATP (ad...
Scientists Learn How Cells Limit Their Stress
...occurs in aging and in diseases from infections to heart
disease and stroke. Cells produce heat shock proteins, or HSPs, in response to stress caused byheat, poisons or signals from nerves or hormones. These heat shock proteins aresometimes called molecular chaperones, because their role is to protect andu...
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