Tag: "insulation" at biology news
VCU researchers identify networks of genes responding to alcohol in the brain
...roduction of myelin. Myelin is a form of molecular insulation
that allows nerve cells to send impulses to one another more effectively. Such pathways showed different responses to alcohol in one mouse strain versus the other. As a result, Miles and his colleagues were able to formulate new hypotheses about how ...
Embryonic law and order
..., including one in mammals known to regulate nerve insulation
and myelin formation in the central and peripheral nervous system. All commonly target RNA, shooting the messenger rather silencing the message at its source (the DNA), as many other regulatory proteins do. This may give them a relatively quick respo...
Stem cell treatment improves mobility after spinal cord injury
...ent they developed was successful in restoring the insulation
tissue for neurons in rats treated seven days afte...ld benefit, and they do not foster regeneration of insulation
tissue. For the study, the UCI team used a novel technique they created to entice human embryonic st...
Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development
...p maintain body temperature until mass and blubber insulation
develop, allow frequent respiration at the surface, and facilitate rapid growth of brain and body and related behavioral development. "Somehow these seafaring mammals have found a way to cope with sleep deprivation, facilitating rather than hindering...
Jonathan Baell wins Biota Award for Medicinal Chemistry
...lin is the substance that, in effect, provides the insulation
to the body's electrical wiring. The mistaken destruction of this insulation
by the body's immune system is a major contributor to the development of multiple sclerosis (MS). T...
Otter adaptations: How do otters remain sleek and warm
...ture of these hairs for clues to their exceptional insulation
abilities. They found that the cuticle surface str... trap air bubbles, which help increase the thermal insulation
of the otter's coat. Indeed, biologists have observed otters actively blowing air bubbles into their...
Scientists discover the molecular switch for nerve cells' insulating jelly rolls
... that turns on the production of myelin, the fatty insulation
around nerve cells that ensures swift and efficient communication in the nervous system. The study, published in the September 1, 2005, issue of the journal Neuron, may provide a new avenue for treating nervous system diseases such as multiple sclero...
Formula against infertility
...oring neuroglial stem cells. This nerve-protecting insulation
layer is destroyed in many serious diseases such a...s manner, he succeeded in completely repairing the insulation
layer of certain nerves. Hideyuki Okano of the Keio University in Tokyo, Japan, intends to treat par...
Adult human neural stem cell therapy successful in treating spinal cord injury
...ns with mouse neurons. Myelin is the biological insulation
for nerve fibers that is critical for maintenance of electrical conduction in the central nervous system. When myelin is stripped away through disease or injury, sensory and motor deficiencies result and, in some cases, paralysis can occur. Previous ...
Three universities team up to enhance environmental engineering curricula
...uing energy-saving approaches such as adding extra insulation
to buildings, replacing leaky windows or selecting more fuel-efficient modes of transportation are time-consuming, but worthy options that can be considered, said Davidson, a civil and environmental engineering professor at Carnegie Mellon, and the l...
Breakdown of myelin insulation in brain's wiring implicated in childhood developmental disorders
...w evidence points to production of myelin, a fatty insulation
coating the brain's internal wiring, as a neural A...rmation, and all these depend in large part on the insulation
that coats the brain's connecting wires."...
Story tips from the Department of Energy's Oak Ridge National Laboratory, November 2005
...ted panels, called SIPs, consist of a core of foam insulation
sheathed in oriented strand board, the new-generation panels are sheathed in thin steel, have a core of closed-cell polyurethane foam and incorporate a phase-change material inserts that provide thermal mass to reduce peak cooling and heating loads. ...
New UW study offers strategy for treatment of fatal nervous system disorder
...thing that envelops nerve fibers and acts like the insulation
on an electric wire. Myelin ensures the effective transmission of the signals routinely conducted by the nervous system. For those afflicted with Krabbe's disease, the loss of myelin results in arrested motor and mental development, seizures, paralys...
Imaging study links key genetic risk for Alzheimer's disease to myelin breakdown
...ws that age-related breakdown of myelin, the fatty insulation
coating the brain's internal wiring, correlates strongly with the presence of a key genetic risk factor for Alzheimer disease. The findings are detailed in the January edition of the peer-reviewed journal Archives of General Psychiatry and add to a g...
Declining snowpack cools off CO2 emissions from winter soils, says U. of Colorado study
...ent said the lack of snow has decreased the winter insulation
of the soils, cooling them and slowing the metabolism of microbes that release large amounts of CO2. But the discovery of what Monson called a "serendipitous effect" of reduced snowfall does little to bolster the overall environmental health picture...
Falcon decoys and simulated rifle fire keep birds from oil
...ly preventing birds from flying or leading to lost insulation
and death from hypothermia. Current deterrents being used are not always successful because wildlife either ignore the stimuli or habituate to them. Dr. Colleen Cassady St. Clair and her former undergraduate student, Rob Ronconi (now a Ph.D student ...
New test of snow's thickness may 'bear' results key to polar climate studies, wildlife habitat
...f the sea ice, providing a thicker, added layer of insulation
between the water and the atmosphere. A thick insulating blanket of snow can also be vital to polar bears and other Arctic wildlife. Polar bears living in Alaska, Canada, Greenland, Norway, and Russia dig out their dens on snowy slopes to give birth...
JCI table of contents, March 16, 2006
...blood cells known as lymphocytes attack the myelin insulation
on nerves in the spinal cord and brain. Glatiramer acetate (GA) is a drug currently approved for MS treatment, but new therapies are needed to improve effectiveness and reduce side effects. Now, in a study appearing online on March 16 in advance of p...
Alaska seal pup diet may hold key to decline of population
...d is less abundant. Seals rely on blubber both for insulation
and as a source of energy. Nutritionally stressed adolescent females may take longer to reach sexual maturation and mature females that are nutritionally stressed may not reproduce, offering clues to why some harbor seal populations are falling, Pola...
ACS news service weekly press package - May 15, 2006
...e enhanced Raman scattering (SERS), heat transfer, insulation
and other areas.Bryce C. Tappan and colleagues at the Los Alamos National Laboratory are reporting development of a new and simpler technique for making metal foams. Their report is scheduled for publication in the May 24 issue of the Journal of the ...