Tag: "sudden" at biology news

Higher blood levels of sitosterol may be associated with increased risk for coronary events

...atients who suffered myocardial infarction [MI] or sudden coronary death within 10 years of follow-up) were selected from the PROCAM (Prospective Cardiovascular Muenster) study population. Each case was matched to two controls (n=354) from PROCAM based on age, gender, smoking status and date of investigati...

Pack rat middens give unique view on evolution and climate change in past million years

...n into the dominant spot 800,000 years ago was the sudden switch from a 41,000-year glacial cycle to a 100,000-year glacial cycle. This shift, caused presumably by interactions among the long-period precessions of Earth's orbital and spin axes and cyclic changes in the shape of Earth's orbit, initiated an a...

Roderick MacKinnon wins 2003 Nobel Prize in Chemistry

...seful as treatments for diabetes and in preventing sudden death from long QT syndrome. But many more potassium channels are likely to become targets for drug development in the near future. Diseases such as hypertension and epilepsy, for example, should be treatable through pharmacological control of potass...

UT Southwestern researchers receive $15.1 million in federal grants to study biothreats

...d area would result, within three to five days, in sudden onset of a bacterial infection in a large number of people. Symptoms begin abruptly one to 10 days after exposure and include headache, chills, nausea, vomiting, high fever and severe exhaustion. Extreme weakness, recurring chills and drenching sweat...

Live seafood trade linked to species invasions

...er. Spawning can be triggered by eating, stress or sudden temperature changes. Two of the species (Manilla clams and Pacific oysters) are already established in Pacific Northwest waters but one (the ocean quahog) is not. The researchers found that nearly as many ocean quahogs survived in the short-term as ...

SPR Annual Meeting features newsworthy discoveries

... at the age of 43, Jean-Dominique Bauby suffered a sudden stroke in his brain stem and emerged from a coma several weeks later to find himself in a rare condition called "locked-in syndrome." In this state, Bauby was completely paralyzed with the exception of his left eyelid with which he dictated his poign...

Heart may heal with help from oxygen-sensitive genes, new study suggests

...nary artery which caused the attack. This allows a sudden rush of oxygen-rich blood to flow into damaged tis...s exposed fibroblasts taken from mouse hearts to a sudden rush of oxygen, a situation that mimics suddenly exposing heart tissue with a poor blood supply to m...

'Stop leak' solution found for toxicity problems in experimental gene therapy

...g, in an interview. Exploring the reasons for the sudden deaths, the group used lower gene amounts that the animals could tolerate to trace what happened in their bodies during the extended infection and gene expression process. They found that the virus preparations did not stay in the tumors as planned ...

JCI Table of Contents

...o cardiac troponin T (cTnT) mutations often suffer sudden cardiac death, they do not develop significant ventricular hypertrophy (ventricle enlargement), suggesting that a distinct cellular mechanism apart from alterations in myocardial contractility is responsible. A new study by Jil Tardiff and colleagues...

Chicken embryo research tunes into inner ear

...rm. Many young people also lose their hearing from sudden acoustic trauma. If we are to replace the damaged cells, we will presumably need to know how to grow the right cell type." Another problem this research could address is the set of disorders that cause vertigo, which includes Meniere's disease. This ...

Study shows brain activity influences immune function

...d the participants' eyeblink reflex in response to sudden noises. This measure, explains Davidson, provides a convenient and objective way to measure how negatively or positively a person reacts to a stimulus. Three times in the six months following vaccination, the researchers collected serum samples from ...

Couch potatoes may be created in the womb, not at the dinner table

...ltifactorial, these recent increases have been too sudden to be explained by genetic factors. Population studies conducted in the last decade suggest that environmental factors active during embryonic and fetal development are of substantial consequence for the risk of developing metabolic and cardiovascul...

Protein is shown to aid cell's reading of genetic code

.... The researchers subjected the cell culture to a sudden rise in temperature to activate the gene. Within seconds the enzyme RNA polymerase II, familiarly known as Pol II (one of the three polymerase enzymes that work with different kinds of genes), travels to the multiple sites where the heat-shock genes ...

Extraordinary Number of unique species discovered in Caribbean

...s at those depths, make many species vulnerable to sudden population collapse. The current study is the latest installment in a series published by the United Nations Food and Agriculture Organization (FAO) that provides scientific guides about marine biodiversity in several areas of the ocean. It is bei...

Cross-species mating may be evolutionarily important and lead to rapid change, say IUB researchers

...INGTON, Ind. -- Like the snap of a clothespin, the sudden mixing of closely related species may occasionally...wer species that began 15 years ago shows that the sudden mixing and matching of different species' genes can create genetic super-combinations that are consi...

'Unzipping' double helix to study protein-DNA interaction

...c increase in the tension in the DNA followed by a sudden tension reduction is detected; and finally analyses of the unzipping forces and length of the DNA tether reveal the locations of bound proteins and the equilibrium association constants. Those analyses are the "spectroscopy" part of the process, Wa...

Science Picksleads, feeds and story seeds (July 2003)

...R" US: July 9th marks the 50th anniversary of the sudden and dramatic eruption of Crater Peak, the active vent on Mount Spurr volcano in Alaska. The eruption caused major disturbances to air traffic and an eerie, premature twilight over a large portion of the State. Since then, volcano monitoring has impr...

OXiGENE announces launch of ophthalmic clinical trial at The Johns Hopkins School of Medicine

... blood and fluid into the retina and can trigger a sudden and severe loss of vision. An article in the June 2003 issue of Nature Reviews Drug Discovery estimates that, as the population ages, the number of wet AMD cases will grow fivefold. CA4P, which is derived from the bark of the South African willow t...

Seeking the cause of a mysterious whale disease

...version of the same disease is responsible for the sudden death of many young athletes, leading to a surge in research to determine causes and ways to diagnose the defect in its early stages. Scientists at the workshop hope to apply that knowledge to understanding the whale condition. "This is another way ...

Sex Differences in Cardiovascular Disease

...genetic heart disease that is the leading cause of sudden death in young athletes and is more common in women than men. Sue Ann Thompson, president of the Wisconsin Women's Health Foundation, opened the meeting as a special guest speaker. The scientific meeting was held as a satellite symposium of the Inte...

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(Date:4/17/2014)... CHAMPAIGN, Ill. One of the most popular vaccine ... choice. And doctors may be overlooking some cost factors ... actually a more expensive option, according to a new ... of vaccines to administer can be driven by numerous ... study and a professor of computer science and of ...
(Date:4/17/2014)... April issue of Experimental Biology and Medicine ... Rex Gaskins and Paul Kenis in the Institute ... the University of Illinois Urbana-Champaign describe their recent ... underlie a variety of cell functions including energy ... crucial roles in regulating normal cellular behavior, redox ...
(Date:4/17/2014)... Colo. (April 17, 2014) Two recent papers ... researcher and colleagues may help scientists develop treatments ... Yellow fever, Japanese encephalitis and other disease-causing flaviviruses. ... biochemistry and molecular genetics at the School of ... Howard Hughes Medical Institute, and colleagues recently published ...
(Date:4/17/2014)... Le Bonheur Children,s Hospital Pediatrician-in-Chief Jon McCullers, MD, ... the April issue of Nature Reviews Microbiology ... Dr. McCullers, a world-renowned infectious disease specialist, ... the University of Tennessee Health Science Center, analyzed ... 1918, 1957 and 1968 pandemics, as well as ...
(Date:4/17/2014)... 2014U.S. military personnel who served in Iraq and ... brain injury (TBI) were compared to military personnel ... reasons. Differences in measures of overall disability, cognitive ... injury are reported in an article in ... Mary Ann Liebert, Inc., publishers. The article is ...
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