Tag: "network" at biology news
JDRF-funded researchers discover protein that causes blood vessel leakage and swelling in eyes
...h and without diabetic eye disease. Working with a network
of collaborators at Joslins Beetham Eye Institute and the Santa Barbara Cottage Hospital Eye Center in California, they obtained samples from 25 people undergoing surgery for a variety of conditions: eight of the patients did not have diabetes and th...
Simulating human metabolism to find new diets to new drugs
... painstakingly assembled a virtual human metabolic network
that will give researchers a new way to hunt for b...rol in the blood. This first-of-its-kind metabolic network
builds on the sequencing of the human genome and contains more than 3,300 known human biochemical tr...
Joslin discovers protein that causes blood vessel leakage and swelling with diabetic retinopathy
...he eyes of people with diabetes. Working with a network
of collaborators at Joslin's Beetham Eye Institute and the Santa Barbara Cottage Hospital Eye Center in California, they obtained samples from the vitreous of 25 people undergoing surgery for a variety of conditions: eight of the patients did not hav...
Carnegie Mellon engineers devise new process to improve energy efficiency of ethanol production
...ess by using a multi-column system together with a network
for energy recovery that ultimately reduces the consumption of steam, a major energy component in the production of corn-based ethanol. "This new design reduces the manufacturing cost for producing ethanol by 11 percent, from $1.61 ...
OHSU studies of technology for healthy aging get boost
...e new monitoring technologies will be tested. This network
of 20 to 30 elder-inhabited residences throughout the Portland area will be outfitted with a basic set of devices for continuous, remote assessment of activity and computer use, in which fluctuations can mean problems with cognition and mobility. O...
Gene knockouts reveal FoxOs' vital functions in cancer defense, health of stem cells
...s regulate genes in the complicated cell signaling network
known as PI3K-AKT, or simply PI3K. Scientists have discovered that PI3K signaling is intimately involved in fundamental cell processes such as metabolism, aging, and protecting the body against cancer. The PI3K circuit has been found to be disrupted ...
The messages passed in a neuronal network
can target something like 100 billion nerve cells in the brain alone. These, in turn communicate with millions of other cells and organs in the body. How, then, do whole cascades of events trigger responses that are highly specific, quick and precise...
Study finds mercury prevalent in many western fish
...sue. In the survey, only 2.3 percent of the stream network
that contained large (5 inches or longer) salmonid...alent group of species, found in 41 percent of the network
sampled. On the other hand, large bass, walleye and other piscivores were found in only 10 percent o...
Thinking with the spinal cord?
...enhagen have demonstrated that the spinal cord use network
mechanisms similar to those used in the brain. The...s. The group has shown that spinal neurons, during network
activity underlying movements, show the similar irregular firing patterns as seen in the cerebral co...
The floral network -- what determines who pollinates whom
...lists, able to feed on any flower, causing perfect network
nestedness; while complementarity alone would mean...ith generalist plants, causing unrealistically low network
nestedness. Instead, the authors suggest, a combination of barriers and complementary traits account...
Cracking open the black box of autoimmune disease
...en described as a kind of military unit, a defense network
that guards the body from invaders. Seen in this way, a group of white blood cells called T cells are the frontline soldiers of immune defense, engaging invading pathogens head on. These T cells are commanded by a second group of cells called regu...
New studies find amazing concentration of species unique to East African mountains
...ficient funds to establish and adequately manage a network
of protected areas. "Seven proposed reserves pro...rgess. "Their declaration would help establish the network
urgently needed to protect the natural wealth of the Eastern Arc Mountains." The Tanzanian governmen...
The musician in the mirror
... familiar music, their brains showed activity in a network
of areas in the frontal and parietal lobes that are involved in the control of movements. The authors note that Broca's area, the human equivalent of the area in the brain where mirror neurons were found in monkeys, was particularly active when subje...
Leading cause of US food-borne illness makes its own pathway through cells
...y diverts its path, creating its own intracellular network
of campylobacter-filled vacuoles, or cellular pockets, that make their way toward the nucleus, and finally locate near the cell's transportation hub, the Golgi apparatus. "It's been known for over two decades that campylobacter can enter intestinal ...
A beneficial suicide
... discovered, how the neutrophils form this snaring network
(Journal of Cell Biology, online, January 8, 2007)... mingled with bactericidal enzymes, forms a lethal network
outside the cell. Invading bacteria and pathogenic fungi get caught and killed in the NETs. Every ...
Spanish scientists reveal dynamic map of proteins
...onformations for the entire proteome (the complete network
of protein interactions in a cell), over time. In the near future, a biochemist will be able to understand the behaviour of a protein, or design a drug that can interact with that protein, drawing on not only the knowledge of a single structure, but ...
Homing nanoparticles pack multiple assault on tumors
...e liver and spleen comprise a protective screening network
in mice (and humans). The investigators devised "decoy" molecules of liposomes coated with nickel, which diverted the RES response that would have otherwise been directed toward CREKA-SPIO. The use of decoy molecules extended the half-life of CREK...
Getting to the bottom of memory
...nformation. At the bottom of memory lies a complex network
of molecules. To understand how this network
brings about one of the most remarkable capacities of our brain we need to identify its components a...
What memories are made of
...stinctive connections in the brain's communication network
that differentiate between the "aware," or conscio... the molecular players that make the brain's whole network
of constantly changing memory connections possible. His extramural funding has come from sources suc...
Scientists uncover potential key to brain blood-flow disorders
...nd glucose, which is provided through an intricate network
of blood vessels in the brain. Different parts of the brain are engaged by every activity, such as analytical thought, piano playing, seeing, hearing, walking, and these regions then require a rapid elevation of blood flow to meet the increased metab...
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