Tag: "response" at biology news
New view of leukemia cells identifies best treatment options, Stanford researchers say
...nd and kick everybody in the shin, I can see their response
and learn something about that person," he said. E...s have a phosphate note in hand and which don't in response
to normal signals that a cell would encounter. Postdoctoral scholar and first author on the pap...
Scientists discover new intricacies in how ulcer bugs stick to stomach
...eople's immune systems mount a strong inflammatory response
to H. pylori that can actually wipe out the bacteria, so from the bacteria's 'perspective,' it's always good to have some bacteria that can break loose and escape," Berg explains. Berg and collaborators are working to understand the details a...
Nature mimics industry
...bes the process of how human white blood cells, in response
to invasion by bacteria and fungi, create bleach and chlorine gas, an important germ-killing component of our immune system. Gribble is in the process of updating his book featuring examples of all known naturally occurring organohalogens. He searche...
Why some neonates need caffeine
...ng immediate changes in the respiratory pattern in response
to a 30-s hyperoxic test performed during active sleep or quiet sleep. The authors of the study, entitled "Effect of Caffeine on Peripheral Chemoreceptor Activity in Premature Neonates: Interaction with Sleep Stages," are Karen Chardon, Veronique Ba...
Researchers develop better understanding of immune response to viral infection
An appropriate response
by the immune system to viral infection is absolut...nd well-orchestrated signals that are mobilized in response
to infection with cytomegalovirus. Cells infected with a virus secrete substances called interferons...
A pathway to blocking autoimmunity
...here they prime T cells to mount a specific immune response
against that antigen. The type of immune response
induced varies depending on the form of dendritic cells. Nagy believes his group has found a way...
How wounds heal Clues from flies
...sue damage in humans triggers a well-characterized response
marked by rapid blood clotting and a recruitment o...process, but the complexity of the mammalian wound response
has challenged efforts to determine their individual roles. Michael Galko and Mark Krasnow of Stanfo...
Drug prevents chemotherapy-induced hearing loss, study finds
...ining thousands of tiny hair cells that vibrate in response
to sound waves. "These hair cells are often destroyed," Dickey said. "It starts at the outer edge and moves in. Once it happens, it's progressive -- it gets worse and worse -- and it's permanent." Hearing aids aren't as effective in young children wi...
Long-term heart damage may result from constant confrontation and defeat
...e and plasma catecholamine levels (the biochemical response
to stress) have been documented in rats, persisting as long as the stimulus was present or shortly thereafter. In addition, experimental stress has produced a considerable increase in heart rate. Long-term effects of social challenges on a numb...
Inflammation's trigger finger
...nd in an inactive form in nearly all cells, but in response
to external signals, encourages inflammatory responses and only triggers those responses when it receives the right messages. ELKS is one of the essential component of the complex, without which NF-kB can't function." Inflammation is central...
Molecular motor shuttles key protein in response to light
...a key light-detecting molecule in the eye moves in response
to changes in light intensity. Their finding adds...pecific proteins in eye cells are redistributed in response
to bright light, the Johns Hopkins team now reports how a key protein called arrestin is shuttled fr...
Significant strides in small regulatory RNA research in plants
...c tissues and several are up- or down-regulated in response
to abiotic stress. This report doubles the number ...e associated with regulation of gene expression in response
to stress. Together, these two reports open new avenues of research into small regulatory...
Impact of Earth's rising atmospheric carbon dioxide found in world oceans
... on the chemistry of the oceans and the potential response
of marine animals and plants to changes in CO 2 l... They then summarize the available evidence on the response
of marine calcifying organisms to elevated CO 2 . Feely noted that scientists have seen a reduced ab...
Patients' cells from tumors, the immune system merged for customized cancer therapy
...l have devised ways of bolstering patients' immune response
against kidney and breast cancer. In a paper publ...e a defined cancer marker molecule, but the immune response
to those vaccinations often fell short of expectations. The Harvard team aimed at making a hybrid ce...
Tips from the Journals of the American Society for Microbiology
...ours. Both age groups showed an enhanced antibody response
to the vaccine after wearing the patch, while the ... the deficient immune function seen in the aged in response
to influenza virus vaccination," say the researchers. "Therefore, use of an LT-IS patch could be a ...
JCI Table of Contents, 15 July 2004
...ment, and presented evidence that the inflammatory response
to DSS was increased in the absence of apoA-IV. The work here provides the first direct support for apoA-IV being an endogenous anti-inflammatory protein and presents information on the molecular mechanisms underlying this activity. TITLE: Apolipop...
Protective mechanism exploited by tumors may provide new cancer treatment
...al of using the IDO mechanism to manipulate immune response
is being explored in other areas as well, such as ... available to the brain. IDO suppresses the immune response
by degrading tryptophan, which also is important to T cells, major orchestrators of the immune respo...
Hormone helps fish to mate, may affect human hearing
...University biologists, a similar steroid-sensitive response
could underlie changes in the hearing sensitivity of humans. The biologists experimentally boosted levels of the steroid hormone in non-reproductive females of the fish species Porichthys notatus, temporarily altering their inner-ear auditory mech...
Carnegie Mellon neuroscientist develops tool to image brain function at the cellular level
...tissue, a single neuron that has been activated in response
to an animal's experience," Barth said. Barth used...rophysiological and synaptic properties changed in response
to sensory input. Her results are the first to show alterations in the rate at which neurons transmi...
Oxygen sensing in worms may hold key to healthy blood pressure in humans
... a selective advantage; perhaps it is a protective response
against levels of oxygen that would be damaging to the worms or would shorten their lifespan. This same mechanism should also be present in fish and other animals that live in environments where the oxygen levels fluctuate. It may also be similar to ...
1 2 3 4 5 6 7 8 9 10