Tag: "structures" at medical news
Mapping the neural landscape of hunger
...he compelling urge to satisfy one's hunger enlists structures
throughout the brain, as might be expected in a pr...sary for survival. But until now, studies of those structures
and of the feeding cycle have been only fragmentary--measuring brain regions only at specific times ...
3-D forms link antibiotic resistance and brain disease
...e story takes a twist as key differences among the structures
of its main molecular characters disappear and rea...e evolved so that the final Type II and III enzyme structures
look and work differently, but can still do the same job--no matter what their amino acid chains loo...
Ethics of indigenous health research explored in new guide
...rtnership helped researchers understand Aboriginal structures
and family values. "As a result, the community received home repairs, improved sewerage and additional health services. The health of the children improved because the community had a betterunderstanding of how to prevent the spread of infectious d...
First study to show how immune cells 'speak' to each other in vivo
... Center have confirmed the existence of anatomical structures
that channel information exchanges between a T cel...apse formation, the confirmation of these cellular structures
increases the understanding of the immune system and paves the way for further research on the body'...
Imaging technique helps predict breast cancer spread before surgery
...has spread to the axillary lymph nodes, small oval structures
in or near the armpits. In procedures known as dissection or biopsy, physicians remove all or part of the lymph nodes nearest the breast to determine whether the cancer has metastasized (spread). "A technique to identify positive lymph nodes before...
Childhood sleep apnea linked to brain damage, lower IQ
... the disorder appear to suffer damage in two brain structures
tied to learning ability. Writing in the Aug. 22...ers were able to link the changes in the two brain structures
to deficits in neuropsychological performance. The hippocampus, a structure in the temporal lobe, ...
More than just pretty faces for this brain region, says Stanford researcher
..." said Grill-Spector. "What's really cool is these structures
are very selective in their responses - and only to one kind of object." Each of the participants in the study was shown images of faces, four-legged animals, cars and abstract sculptures, along with scrambled or "noise" images. The researchers fou...
Jefferson radiation oncologists among first to use cone beam CT to improve treatment accuracy
...doses to the gross tumor and lower doses to normal structures
within the body," explains Dr. Machtay, who specia...e head and neck, "where tumors and critical normal structures
are tightly packed next to one another." Richard Valicenti, M.D., associate professor of radiation...
Doctors must debate hospital closures
...ightly see us as more interested in our own career structures
and hours of working than in providing a safe and accessible service....
Decision-making impairment appears greater in alcoholics with coexisting personality disorders
...ision making is believed to involve multiple brain structures
in the limbic region. "These brain regions are very important in the processing of emotions, motivational processes and the processing of rewards and punishments," he said. "Earlier studies have indicated that individuals with lesions in these regi...
Rochester researchers join federal initiative to improve drug safety
...in the heart's cells. The ion channels are protein structures
that control the flow of ions responsible for prod...cal activity of the heart. Interference with these structures
diminishes the cells' ability to "recharge" between contractions, which, over time, may lead to leth...
University of Virginia health system wins $5.5 million grant to help detect atherosclerosis
...that improve the visibility of the body's internal structures
in an ultrasound or x-ray image. The research promises to help people save money on their health care bill since ultrasound is the most economical way to image inside the body. The agents being developed at UVa to image atherosclerosis are current...
Physicians slow to integrate information technology into patient practice
...also re-engineering the workflow and reimbursement structures
to accommodate the latest ways of communicating. At its best, health information technology can improve communication with patients and among physicians, reduce medication errors, and support more cost-effective and evidence-based care management." ...
Penn leads $98 million translational medicine collaboration
... will enhance the development of interdisciplinary structures
designed to foster and facilitate research and education in the emerging discipline of translational medicine." "The Philadelphia collaboration will act as a vital catalyst for us to undertake a programmatic transformation heralded two years ago by ...
UC Davis at forefront of national initiative to transform research to improve human health
... UC Davis to invest in programs and administrative structures
that foster collaborative and translational research. These include a new strategic plan focused on research and integrating science across medical disciplines, additional positions within the dean's office to direct and support institutional change,...
Study identifies possible mechanism for brain damage in Huntington's disease
...earch team. "The role of mitochondria [subcellular structures
that produce the cells' energy] in the process of nerve cell dysfunction and death is an emerging theme in neurodegenerative disorders, but the mechanism behind HD has been elusive." HD causes the degeneration and death of cells in the basal gangli...
First major study of mammalian 'disorderly' proteins
... flexibility within their sometimes spaghetti-like structures
that is critical for function. For example, one protein named p27 initially looks like a Slinky TM toy. However, when p27 goes to work, it puts a vise-like grip on an enzyme that otherwise would promote uncontrolled cell division. The St. Jude tea...
Key gene controlling kidney development found
...emical signals to differentiate into nephrons--the structures
in the kidney that cleanse the blood of waste. The nephrons later become attached to ducts--tubes that collect the filtered blood as urine and direct it to the bladder. The St. Jude team showed that Six2 works by preventing some of the precursor cell...
New mechanism underlying pain found
...ncouraged by early evaluations of certain chemical structures
that seem to disrupt this rhythmic transmission." Ion channels are openings that exist within a cell that allow the passage of certain ions into a cell to regulate activity. It is believed that hundreds of different types of ion channels exist in t...
Three-dimensional, miniature endoscope opens new diagnostic possibilities
...icians access to hard-to-reach internal organs and structures
utilize bundles of optical fibers to supply light...hould allow safer navigation through such delicate structures
as the salivary ducts, the fallopian tubes and the pancreatic duct. Fetal and pediatric procedures m...
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