Tag: "diseased" at biology news

American Chemical Society's Weekly PressPac -- Aug. 8, 2007

...on of imaging agents that pinpoint the location of diseased tissue in the body. However, the question of whether these nanomaterials are toxic to living cells or organisms has not been fully answered, the researchers explain. The scientists used laboratory tests on human lung cells to show that luminescent ...

Antioxidant overload may underlie a heritable human disease

...iggering antioxidative pathways to kick in. In the diseased animals, however, that pathwayin which oxidized glutathione is recycled to its reduced, antioxidant formsoon got out of hand, producing excess levels of the reduced glutathione and a condition of reductive stress. Moreover, they showed that the off...

American Chemical Society's Weekly PressPac -- Aug. 1, 2007

...g-sought ability to deliver medication directly to diseased tissue, while minimizing side effects and damage to healthy parts of the body, scientists are reporting development of a new dosing system that is controlled by light. The study is scheduled for the August 15 issue of the Journal of the American Che...

Synchrotron could help save the Tassie devil

...termine if the composition of hair differs between diseased animals and healthy ones. The infra-red spectrum tells us about protein and fat structure and whether its changing, Dr Church says. But the technology to do such work using a synchrotron is comparatively new, and the Australian facility is one of r...

New UD tissue-engineering research focuses on vocal cords

Damaged or diseased vocal cords can forever change and even silence the voices we love, from a family member's to a famous personality's. Julie Andrews, who starred in such classics as The Sound of Music, is among the professional singers who have undergone surgery to...

Fish eyes could hold clue to repairing damaged retinas in humans

...d in the retina. When tested in rat models with diseased retinas, the cells migrated into the retina and to...meone who is losing or has lost their sight due to diseased or damaged retina," says Dr Astrid Limb, who led the study. "Our findings have enormous potential. ...

Scientists move closer to bio-engineered bladders

...we can understand what goes wrong when they become diseased and how the disease can be treated."...

American Chemical Society's Weekly PressPac -- June 27/July 3, 2007

...in being able to see deep into the body and reveal diseased tissue. Use of LOIS, however, has been limited by ...aterial that can be injected into the body to make diseased tissues even more visible during the imaging session. Their research involved imaging laboratory m...

Story ideas from Molecular & Cellular Proteomics

...method to detect important cytokines directly from diseased coronary arteries, an approach that could uncover important biomarkers relevant to other diseases. Article: Proteomics Analysis of Human Coronary Atherosclerotic Plaque , by Carolina Bagnato, Jaykumar Thumar, Viveka Mayya, Sun-Il Hwang, Henry Zeb...

Nanotechnology, medicine and bioethics

...s for use as artificial tissues that could replace diseased kidneys and livers, and even repair nerve damage. In addition, although the research is still exploratory, scientists are beginning to build nanostructures that mimic complex biomolecules. Some of these engineered structures appear to have regener...

WPI professor to represent American Mathematical Society at exhibition on science funding

...ic resonance imaging), and histological studies of diseased arteries to develop a detailed picture of the physical and biological conditions inside arteries that promote the initial formation of a plaque, and then favor its continued growth. The work is also revealing, in unprecedented detail, the factors tha...

UVa researchers restore genes in human inner ear cells

... genes, which they hope will restore hearing, into diseased tissue of the human inner ear. This important step brings scientists closer to curing genetic or acquired hearing loss. Their discovery will appear Thursday, June 14, in the online issue of the scientific journal, Gene Therapy. Dr. Jeffrey Holt, a...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...argo. The method might be used to take images of diseased tissues by inserting a cargo of fluorescent molecu...rapy. The carbon nanotubes could be delivered into diseased cells and then exposed to light, causing them to heat up and kill only those diseased cells, Akin sa...

Tumor vessels identified by unique molecular markers

... between proliferating blood vessels in normal and diseased tissues. The researchers systematically examined gene expression patterns in the endothelial cells that line blood vessels derived from normal resting tissues, regenerating tissues, and tumors. A comparison of the normal vessels revealed several o...

A twist of fate -- Reprogrammed fibroblasts resemble embryonic stem cells

...e a promising option for replacement of damaged or diseased tissues, there are serious difficulties and concerns associated with this methodology. Controversial ethical issues are associated with the use of human embryos, and tissue rejection remains a major concern with stem cell transplants, just as it is f...

CSIRO scientists join fight to save 'Tassie devil'

...evil monitoring data and geo-referenced reports of diseased devils into a geographical information system (GIS...statistics correlating the frequency of devils and diseased individuals with different landscapes or land uses, Mr Marvanek said. Dr Hyatt said helping the T...

Cellular message movement captured on video

...how normal cells function, but we can also look at diseased cells to see why they sometimes dont move properly or why they dont transmit information properly....

Existence of muscle-building stem cells points to regenerative therapies for muscular disease

...ells could be used for direct transplantation into diseased muscle, noting that molecular characterization of satellite stem cells should lead to identification of markers enabling their prospective isolation from human muscle tissue. "Alternatively," they added, "understanding the molecular regulation of s...

CSHL links activity in brain synapses and developmental abnormalities with schizophrenia gene

...ow, M.D., Ph.D., researchers inform their study of diseased brains by the ongoing study of normal brains. "The ability to finally identify the functionality of NRG1 was possible here because of access to powerful technology that combined the ability to manipulate individual genes, to study the very structure...

ACS News Service Weekly PressPac -- May 16, 2007

...cancer drug, for instance, can be used to medicate diseased cells while sparing healthy cells of side effects. The researchers gave E. coli a "riboswitch," a segment of RNA that changes shape when bound to certain small molecules and then turns genes on or off. They believe that approach can be used to eq...

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