Tag: "structures" at medical news

Dentists report on new computerized tomography systems

...es to give a full head view of the bone and tissue structures in three dimensions. Current available CBCT scanners are: the NewTom 3G from Quantitative Radiology of Verona, Italy; the i-CAT from Imaging Sciences International, from the United States; CB MercuRay from Hitachi Medical Corporation from Japan; and...

Ophthalmologists prove existence of CLANs

...as become the first in the world to image geodesic structures called CLANs inside the human body. Professor Ia...round the world had previously argued whether such structures actually existed inside the body or whether they were just a theoretical possibility. CLANs cause c...

Structure of viral harpoon protein reveals how viruses enter cells

...d for some time, the complete conformations of the structures of the before- and after-fusion forms of the F pro...t's giving us new ideas about how flexible protein structures can be." And by seeing these F structures in atomic detail, scientists will now be able to target f...

Cell stress protein linked to aggressive breast cancer

... breast cells as three-dimensional (3D) gland-like structures that are similar to those present in the normal breast. However, when the researchers introduced alphaB-crystallin into non-cancerous breast cells, the cells started growing uncontrollably and formed enlarged 3D masses that resemble breast tumors. T...

UCSD team creates model for genetic brain syndrome

...eeson. "The human brain is one of the most complex structures we know of, and evolution has been working hard to make the human brain over the past million years. It is not surprising that the human brain is more susceptible to genetic variation than the brain of a laboratory mouse."...

MRIs better at diagnosing needs for 'bionic ear' implants

...re also working on techniques to alter the surface structures of cochlear implants at the nano level to keep these biofilms from forming," Dr. Roland said. Other UT Southwestern researchers involved in the study included Drs. Timothy Booth, associate professor of radiology, and David Parry, a former resident....

Potential treatment for intracerebral hemorrhage under study

...tissue, irreparably dissecting vital communication structures between brain cells. "It can disrupt huge bundles of fibers that carry information," says Dr. Hall. "Modern neuroimaging shows it also seems to have an effect more distant than just where you see the hemorrhage." Patients can experience one-sided par...

Gene therapy 'turns off' mutation linked to Parkinson's disease

...arkinson's disease. Alpha-synuclein is abundant in structures known as Lewy bodies a diagnostic hallmark of Parkinson's disease. Research has shown that mutant forms of the alpha-synuclein gene, as well as too much alpha- synuclein protein, are involved in the development Parkinson's disease in some families....

Half of active children pursue non-traditional physical activities

...of his goals was to determine whether the physical structures that favor exercise in neighborhoods influence the physical activity levels of children between five and 17 years of age. "The built environment, how we design our cities and neighborhoods, seemed to help," said Bhat, who holds the Fluor Centennial T...

For some, aspirin doesn't increase risk of recurring hemorrhagic stroke

... lobar region (cerebral cortex) than in deep brain structures (brainstem, thalamus, and striatum). Thirty-five out of 127 survivors of lobar hemorrhage had a recurrent hemorrhage, compared to four out of 80 survivors of deep hemorrhage. Yet aspirin use had no significant effect on the rate of recurrence after a...

A fork in memory lane: UCSD research indicates hippocampus supports two aspects of recognition

...can be dichotomized and assigned to separate brain structures is challenged by our results. Both processes appear to be supported by the hippocampus and by the structures in the adjacent parahippocampal gyrus," the researchers write. "This work is helping us piece toget...

First disease-specific (breast cancer) protein library opens new drug paths

... breast epithelial cells are able to organize into structures that resemble the glandular units of the normal br...ow, spherical masses, and many of the disorganized structures showed a protrusive behavior resembling certain aspects of invasive tumor cells. "Our labs will be f...

Brain researchers discover the evolutionary traces of grammar

Researchers found that simple language structures are processed in an area that is phylogenetically older, and which apes also possess. Complicated structures, by contrast, activate processes in a comparatively younger area which only exists in a more highly evolved species: humans. These results ar...

NIH grant to support research on new treatment for severe OCD

...ovement and learning. More specifically, two brain structures within the basal ganglia: the ventral anterior internal capsule (VC) and the adjacent ventral striatum (VS) will be targeted for stimulator placement. Researchers believe these regions are at the intersection of many important nerve pathways related ...

Early diagnosis and melanoma

...can observe a pigmentation pattern and a series of structures not visible to the human eye. It is a very useful tool for differentiating pigmented lesions without recourse to surgery. Two advanced diagnosis techniques are currently being put into operation. One of these is reflectance confocal microscopy, enab...

Chocolate milk could be key to longer, healthier life

...eople to create energy and perform work stems from structures that exist inside our cells called mitochondria. As we grow older the amount of mitochondria we have decreases and with it our respiratory capacity. "This decline is determined by the turnover of proteins in the mitochondria. We hope to highlight an...

No-hands origami: New DNA self-assembly makes more complex structures, more easily

...in tests using electron beams to guide complex DNA structures into place on silicon wafers. "The nice thing abou...ly, cheaply and easily. And true three-dimensional structures "are just around the corner," he adds "They can be made using exactly the same principles."...

'Executive' monkeys influenced by other executives, not subordinates

...athways by which social information feeds into the structures that control the eyes. And, we can explore whether such influences as hormonal levels, particularly testosterone, influence ranking. For example, we can manipulate testosterone levels, or give anxiety-reducing drugs, to determine an effect on social ...

Procedure cures some diabetic mice, but not in the way previously reported

...ction mechanism. Finally, scientists took islets, structures in the pancreas containing insulin-producing beta cells, from healthy mice and transplanted them into one of the diabetic mice's kidneys. The experimental procedures began when the mice first became hyperglycemic, indicating that a substantial porti...

Doctors must work together better to improve survival in teenage and young adult cancer patients

...ancers and their best treatment. In addition, NHS structures and the education and training of doctors and nurses needed a radical overhaul in order to make an impact on TYA cancer. "We need more work to identify which tumours are most likely to develop in teenagers and young adults, and why. We need a major ...

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