Tag: "action" at biology news
Bursts of waves drive immune system 'soldiers' toward invaders
...ell movement." The videotape of the unsuspected action
shows wave upon wave advancing like a series of ex...re one of the swiftest cells in the body. The wave action
that speeds them along is generated by the same kind of three-part circuit that fires electrical sig...
Weizmann Institute scientists discover a control mechanism for metastasis
...he other anchors itself to the cell membrane. This action
is what stabilizes the cells structure. The protein that increases, on the other hand, is made up of one short arm that only attaches to the anchor point on the cell membrane. Rather than structural support, this protein acts as a kind of plug, block...
AAAS analysis finds Congress would add billions to FY 2008 R&D investment
...on 6 August. The report, updating congressional action
on R&D budgets as Congress began its August recess...or the appropriations it has drafted. Based on action
thus far, Koizumi summarized Congressional moves in several critical S&T areas: Energy: The Depart...
Unlocking proteins from their cellular shell
...he molecular instigators for almost every biologic action
and reaction in living things. Their assembly and reactions are the foundation of processes from the division of cells to the complex chain of events that result in the apparently simple blink of an eye. Pathophysiological processes such as heart d...
Altering a protein makes mice less fearful
... problems such as risk of addiction, slow onset of action
and other types of side effects that make people n...e UI team plans to determine the specific sites of action
of ASIC1a in the brain, and focus on understanding the role of the ion channel in the amygdala. They...
Taming the anthrax threat
... screen compounds that could potentially block the action
of this gene and other genes identified in the study. A new generation of anthrax drugs is needed because antibiotics given now to people exposed to anthrax spores, though they work, cause serious gastrointestinal effects during the 60 days people ...
Military to study better pain relief in battle zones
...ore than 26,900 U.S. soldiers have been wounded in action
as of late July. Its known that battlefield pain, if not relieved adequately, can lead to post-traumatic stress disorders. A large multidisciplinary team of U-M scientists will use the grant to design multipurpose nanoparticles and test how well th...
Research shows NPD1 protects a key component of vision
...search team conducted studies on the formation and action
of NPD1 on a human transformed cell line called AR... the scientists found that NPD1 elicits a specific action
rather than antioxidant activity to counteract A2E-induced cell death in RPE cells. One of these pa...
MIT team building robotic fin for submarines
... harbors-and for that they are hoping to mimic the action
of the bluegill sunfish. If we could produce AUVs that can hover and turn and store energy and do all the things a fish does, they'll be much better than the remotely operated vehicles we have now, said James Tangorra, an MIT postdoctoral associate...
Gene-transcription machinery seen poised for action, held in check until needed
...on machinery, once in place, can remain poised for action
but held in check until a triggering signal sends it on its way down the linear DNA molecule. The data outline a mechanism by which sets of critical genes could be prepared for nearly instantaneous activation in response to stress or other vital n...
Researchers watch antibiotics, bacteria meet at atomic level
...t its movements, then we will immediately stop the action
of RNA polymerase, and bacteria will die soon thereafter. The team's findings may be applicable to realms outside microbiology and drug discovery. Such a clear picture of the RNA polymerase elongation complex may be useful to a number of research a...
Drug protects brain cells in Huntington's disease model, researchers find
... distributed as Xenazine or Nitoman and blocks the action
of dopamine, a compound that some nerve cells use to signal others. TBZ is approved for use in several countries, but not the U.S., to treat uncontrollable muscle movements in Huntingtons and other neurological conditions. Huntingtons is a fatal g...
House backs taxpayer-funded research access
...er of the Alliance for Taxpayer Access (ATA). This action
paves the way for all scientists and citizens to access, use, and benefit from the results of publicly funded biomedical research. Were pleased by Congresss recognition of the fundamental rationale for public access that better-informed patients,...
Scientists a step closer to understanding how anaesthetics work in the brain
...rons. In order for this to happen, the stabilising action
of the potassium channel has to be overcome. Earli...etics seemed to selectively enhance the regulating action
of the potassium channel, preventing the neuron from firing at all meaning the neuron was effective...
MIT IDs link between brain tumor proteins
...ve. The researchers believe it is the cumulative action
of EGFRvIII and those other proteins that leads to... of one receptor that results in cancer. Its the action
of multiple receptors that leads to the tumors we see, said Paul Huang, a graduate student in biolog...
New proteomics research promises to revolutionize biomedical discovery
...9 2007 Human cells function through the concerted action
of thousands of proteins that control their growth and differentiation. Yet, the specific function of most human proteins remains either unknown or poorly characterized. Diseases being often due to aberrations in the function of key cellular proteins...
Nature's secrets yield new adhesive material
...his unusual compound mimics the reversible bonding action
of a mussel adhesive protein that Messersmiths group has studied for the past several years. In their initial experiments, which were led by graduate student Haeshin Lee, they found that the wet adhesive force of each pillar increased nearly 15 ti...
News tips from the Journal of Neuroscience
...ature EPSCs, consistent with a presynaptic site of action
for BMP. Nerve terminals in Chrd-/- mice also had an increase in docked vesicles. Perfusion of BMP2 in wild-type slices mimicked the effects seen in slices from Chrd-/- mice. The effects on plasticity and behavior were complex. Long-term potentiation...
Cells take risks with their identities
...s too simple and that our genes are more ready for action
than previously thought. Scientists in the lab of Whitehead Member Richard Young have discovered that many human genes hover between on and off in any given cell. According to the study, which appears online in Cell on July 12, these genes begin ma...
Changing climate will challenge Northeast agriculture, CU expert warns
... usual [higher] emissions scenario or begin taking action
now to reduce greenhouse gas emissions." For example, he added, "Our analysis found that under the higher emissions scenario, parts of New York are projected to reach temperatures by late century that would reduce milk production up to 15 percent dur...
1 2 3 4 5 6 7 8 9 10