Tag: "cause" at biology news
New Software Provides Quick Analysis of ion-Channel Activity
...tter has been altered, he said. These alterations cause
the ion channels either to stay open too long or not long enough, resulting in clinical disorders where the muscles are either too weak or too excitable. By analyzing the currents that are produced by the ion channels that bind the transmitter, scie...
Cholesterol Anchor Helps Signaling Proteins Direct Development
...se to discover that the cholesterol molecule helps cause
the split and then serves as the anchor for the hedgehog signal," says Jeff Porter, Ph.D., a postdoctoral fellow and first author of the paper. "After spending two years searching for what we thought might be a new molecule, this was like finding out...
Researchers Find Genetic Clues To Intestinal Disease
...ety of related disorders that can be inherited and cause
similar symptoms in close relatives. The findings ...s researchers found that, although the disease can cause
a variety of symptoms, it tends to strike the same part of the intestine and cause
the same symptoms...
Behemoth Animals May Follow Same Extinction Patterns
...eirtimes and probably had few natural enemies. The cause
of their demise wasprobably not one single element, but a complex mix of factors that effectedfood supply and habitats. Because the proboscidean decline is more recent,there is greater possibility of uncovering the complex set of events thatcould bri...
Changing Continental Runoff Patterns Could Change Ocean Circulation
..., Colo. -- Human alteration of major waterways may cause
more problems than drought downstream, according to a Penn State geologist who is studying circulation models of the ancient oceans. "We have already seen some of the consequences of changing surface waterways," says Karen L. Bice, graduate st...
An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...sted Ebersole. "Noone's really been able to find a cause
for the Late Permianextinction, but this restricts the cause
to something with aglobally consistent mechanism. It's a really exciting finding." Ebersole said his...
UC Berkeley, U.S.G.S. Scientists Discover Microscopic Invader Of San Francisco Bay, The First Known Marine Microbe Invader Of U.S. Waters
...pecies, and if they have no natural predators, can cause
major damage to our harbors and waterways. A prime example is the zebra mussel which has clogged water pipes in the Great Lakes region, causing millions of dollars of damage. Cohen, who works with the Energy and Resources Group at UC Berkeley, has ...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...d associated magnetic fields which are believed to cause
solar flares. The balloon was cut down above the Adelie Coast, 1400 kilometers from McMurdo Station, but foul weather permitted only the data recorder to be retrieved. This year, the French Antarctic program will assist the U.S. by mounting a trave...
Scientists Identify Retrovirus-Like Components In Corn Genome
...ments were inserted into genes in such a way as to cause
mutations, you could wind up with more than 30,000... help animals and humans fight retroviruses, which cause
a number of devastating illnesses such as some forms of cancer and AIDS," Bennetzen says. The group ...
Genetic Makeup May Explain Why Some Women Smokers Develop Breast Cancer While Others Don't, UB Study in JAMA Reports
...ponents of cigarette smoke also have been shown to cause
breast cancer in rodents. To investigate the possibility that slow-versus-fast acetylation could affect the incidence of breast cancer among smokers, the researchers used data from an earlier case-control study of the disease. Extensive data were g...
Impact of Meteorites, Drop in Sea Level Caused Mass Extinctions 65 Million Years Ago
...rgest mass extinctions in Earth's history, and its cause
has been among the most contentious, hotly debated issues in paleontology," says Chris Maples, program director in NSF's division of earth sciences. "This work by Marshall and Ward is important because it may result in more agreement among proponent...
Two Long-sought Diabetes Gene Found
...Two interacting genes, both unlikely suspects as a cause
of adult-onset diabetes, have now been convicted. ...th a genetic propensity to it." The two genes each cause
a form of non-insulin dependent diabetes (NIDDM) known as maturity-onset diabetes of the young (MODY...
Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...tiny amounts of the liquid. The high temperatures cause
the seawater to react with the surrounding rock and fluids to evolve into methane-rich compositions. The process can take thousands of years. Kelley says that the second process could be pervasive throughout all of layer three, which makes up 60 p...
ORNL Mice Helping Researchers Isolate, Identify Causes Of Cancer
...emia retroviruses. "One way these retroviruses can cause
cancer is to integrate near and changethe normal f...e. Thisinformation has led to the discovery of the cause
of clinical symptoms inhumans. Because of the genetic similarity between mice and humans, researcher...
ORNL Finds Common Genetic Cause For Epilepsy, Migraine
...n people. ORNL's findings suggest a common genetic cause
for migraine, ataxia andepilepsy, meaning that tot...." Now that researchers have identified the likely cause
for migraine andepilepsy, the focus turns to how the mutation affects cells' function. "The implicat...
Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...and in size(low tilt). The mechanisms that cause
diversity to change are still unclear butCronin and Raymo propose that changes in solar radiation initiate a chainreaction that reduces the productivity of surface ocean planktoncommunities. This in turn leads to less food resources settling through ...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...rs may be triggered by the infectiousbacteria that cause
strep throats, called Group A beta-hemolytic, and may betreatable with penicillin. Symptoms of OCD and tics, particularly those ofTourette syndrome, a more severe form of tic disorder, are debilitating tochildren, who may be ostracized by peers, teac...
Ten Years of Progress For Superfund Basic Research Program
... as "N-heterocyclics." Many compounds in thatgroup cause
mutations and can lead to cancer. Brian Kinkle,ass...used at UC is a commonsoil bacteria which does not cause
illness. What it can do ischew up another group of chemicals which can cause
cancer and arenot easil...
Purdue Study Aims To Boost MRI Capabilities
...and fast-changing magnetic fields has potential to cause
discomfort in patients. His group at Purdue is studying ways to combine power and speed without causing distress. Initial findings from the study, funded by the National Institutes of Health, will be reported April 16 at the annual meeting of the Int...
Virus May Be Linked To Obesity -- Early Findings Hint At Relationship
A virus that can cause
obesity in animals may belinked to some cases of o...e 50 viruses.Transmitted through the air, they can cause
upper respiratory infections,cold symptoms, gastrointestinal problems and eye inflammation in humans...
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