Tag: "defense" at biology news
UCLA and NASA partner to form new institute for Cell Mimetic Space Exploration
...ous impact in the engineering, medical, energy and defense
fields, among others. The eventual applications of CMISE's "lab on a chip" are profound. From chemical and bacteriological agent detection to early disease diagnosis to a "smart spacesuit," CMISE scientists hope to be able to put the complex function...
Research reveals how strep bacterium evades immune system
...Ns), an essential component of the immune system's defense
against foreign invaders. These microbe-eating ce... toxic granules to kill the enemy. Normally, this defense
tactic can defeat most foreign invaders, but it is ineffective against highly evolved GAS bacterium....
Newly identified gut protein kills bacteria
...epresent a critical component of the body's innate defense
system," Gordon says....
Tiny RNAs-'biological equivalent of dark matter'-wins prestigious AAAS Newcomb Cleveland Prize
...h the phenomenon of "RNA interference," a cellular defense
mechanism involved in gene silencing. In a Science Perspective essay on the three research reports, Gary Ruvkun wrote that miRNAs appear to be "the biological equivalent of dark matter, all around us but almost escaping detection." Throughout the yea...
Radiation-resistant organism reveals its defense strategies
...ife forms found in extremely dry areas. The unique defense
mechanism that evolved to help it combat dehydrati... answered, the tide of speculation as to how these defense
mechanisms evolved and where is likely to continue....
Powerful technologies probe innate immunity
...of innate immunity--the human body's first line of defense
against disease--is the goal of scientists funded ...ate immunity is inborn and provides an all-purpose defense
against invasion. Innate immune system cells, including certain skin cells called Langerhans cells, ...
$24-million grant funds local researchers to create encyclopedia of the innate immune system
...d picture of this ancient, essential first line of defense
against bacterial and fungal diseases that is mustered by humans, fruit flies, and all creatures in between. "There are lots of questions we would like to ask about gene expression and protein expression in innate immunity," says TSRI Professor and C...
JCI Table of Contents, January 2, 2003
..., or apoptosis, is one ofthe body's most effective defense
mechanisms against cancer. Cells areconstantly che...uallyall cancers have found ways to undermine this defense
mechanism, andactivation of the Akt survival pathway is one of them. The article is accompanied by a...
Animals can be induced to cooperate if partners reciprocate and benefits accumulate
...order to receive help--perhaps by group hunting or defense
of young--and that it must interact several times before realizing a reward--waiting minutes or hours before predators withdraw or prey is secured--is the best candidate to exhibit cooperative behavior. By testing pairs of blue jays, Stephens and his...
LSUHSC research shows drug blocks enzyme that activates bacterial and viral toxins
...nfection, but also add to our country's bioweapons defense
UT Southwestern researchers discover role of two genes involved in cholesterol excretion
...ng cholesterol homeostasis and constitutes a major defense
against the accumulation of dietary cholesterol in blood and tissues." Dr. Helen Hobbs, senior author of the study, said, "By activating or upregulating Abcg5 and Abcg8 you could theoretically reduce cholesterol in the body by increasing cholesterol ...
New genetic option for thwarting cancer
...s cancer resistant, even if their tumor suppressor defense
mechanism is deficient," said Dr. Hiroaki Kiyokawa, assistant professor of molecular genetics and a member of the UIC Cancer Center. "Cells still go into senescence." The finding opens up a new option for cancer therapy: targeting the Cdk4 gene or th...
U-M researcher calls for new approach to biological disarmament
...rtain aspects of the United States' own biological defense
program come very close to the line between defensive research and programs that could be used offensively, she said....
Mole-rat Methuselahs push evolutionary theory of aging
... hard soils. Protection is enhanced by cooperative defense
against predators. As a result, naked mole-rats have evolved genetic traits that make them more resistant to senescence than similar-sized, solitary, surface-dwelling rodents. Indeed, the only rodent known to live as long as the naked mole-rat is the...
NHLBI study finds improved heart failure survival
...5 years of diagnosis. "Prevention remains the best defense
against heart failure. Americans can greatly reduce their chances of developing it by taking steps to prevent or control high blood pressure, heart disease, and other conditions that can lead to heart failure." Heart failure occurs when the heart lo...
Getting more mileage out of cord blood
...ood cells and white blood cells that are our major defense
against infections. Cord blood contains a higher percentage of stem cells than adult bone marrow (another source of blood stem cells), and has several additional advantages: cord blood stem cells divide faster than stem cells from bone marrow and ha...
Sandia pursues biotechnology as new technology focus area
...uld the application of biotechnology extend beyond defense
against biological weapons? To what extent should we commit resources? How do we develop and implement corporately focused strategy? The report noted that bio was already "part of our current national security missions." "Many current capabilities we...
Ancient defense mechanism may still be protecting us
...dy planning to look deeper into the way the cell's defense
mechanism works. One of the main goals will be to identify the function of every protein associated with the RNAs as they go about their job of double checking the cell's genome....
Code-breaking insects steal plants' defensive signals, enabling counterattack
...ltimate larval stage to handle elevated amounts of defense
compounds produced by the plant in response to ins...irect evidence that H. zea can intercept the plant defense
signals elicited by its own feeding activity," the researchers wrote. Additionally, they noted, "th...
Science picks leads, feeds and story seeds (October 2002 edition)
...ion seismographs part of a national first-line of defense
network called the Advanced National Seismic System to read these waves an learn more about how buildings and other infrastructure are affected by ground shaking. People within a few miles of the blasts may feel them, but they will not be large eno...
1 2 3 4 5 6 7 8 9 10