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Tag: "medical" at biology news

St. Jude study solves mystery of mammalian ears

...he body works, and then use those answers to solve medical problems in the future.” The long-standing argument centers around outer hair cells, which are rod-shaped cells that respond to sound waves. Located in the fluid-filled part of the inner ear called the cochlea, these outer hair cells sport tufts of...

FDA sees nanotech challenges in every product category it regulates

...nsibility—drugs, drug delivery systems, cosmetics, medical devices, and food products. Overall, the agency regulates products that are worth nearly $1.5 trillion annually and that account for almost 25 percent of US consumer spending. “Today, there are more than 500 manufacturer-identified nanotechnology c...

Researchers discover inherited mutation for leukemia

...e, professor of molecular virology, immunology and medical genetics and a researcher with the Ohio State huma...s, professor of molecular virology, immunology and medical genetics and of veterinary biosciences, and also co-principal investigator on the study. "Our fi...

New study reports hotel guests at risk from carbon monoxide poisoning

...l classes. According to Lindell K. Weaver, MD, medical director of the LDS Hospital Hyperbaric Medicine Center and Professor of Medicine at the University of Utah School of Medicine, “The number of reported incidents of poisoning per year has not decreased over this 15-year interval…While the risk of CO ...

Snoring in children might be an allergic type disease

...blished in the latest edition of the international medical journal, Pediatric Pulmonology has established children with rhinitis who were first born, were exposed to maternal tobacco smoke during the first year of life and/or who had asthma and/or eczema at age five years were more likely to snore. Breast...

Research team identifies new Alzheimer's gene

... triple by 2050. “We have entered a new era in medical research. Today’s technologies permit us to survey a sufficient number of letters throughout the human genome to provide a clearer picture of how life works and ultimately allow better clinical management of patients,” said Dr. Dietrich Stephan, Dire...

New bacterium discovered -- related to cause of trench fever

...t antibiotics, Koehler says. Also, caregivers, and medical staff need to know about the different species, so, for example, AIDS patients are cautioned about the dangers of cat scratches and exposure to body lice. Medical staff should know to look for Bartonella infections if someone with a persistent, unex...

Studies to find better ways to preserve human eggs, ovarian tissue under way

... Adelina M. Emmi, reproductive endocrinologist and medical director of MCG Reproductive Laboratories of Augusta. Treatment for leukemia and cervical, ovarian, breast or other cancers often leaves women infertile because systemic chemotherapy and more focused radiation therapy, designed to kill rapidly spr...

Newly found sensing system enables certain bacteria to resist human immune defenses

...nsmitted to patients in hospitals via contaminated medical implants. Findings by Dr. Otto’s research group are published in the May 29 issue of the Proceedings of the National Academy of Science. Other well-known types of gram-positive bacteria include agents that cause anthrax, strep throat, flesh-eating di...

Brightening prospects of using fluorescent nanotubes in medical applications

...restricted fluorescent nanotubes from a variety of medical applications, including anti-cancer treatments. In...elicate fluorescence. An example of the possible medical applications of nanotube fluorescence is a collaboration that Hertel and Associate Professor of Biom...

Research shows cord blood comparable to matched bone marrow

...rd blood. There is considerable controversy in the medical community about which source of blood stem cells (cord blood or marrow) should be considered the “gold standard” for treatment of childhood leukemia. In this study, the investigators compared outcomes of pediatric leukemia patients who received un...

Researchers reveal structure of protein altered in autism

...tures of proteins in the brain, can yield valuable medical insights.” Taylor and colleagues have been studying the structure and function of acetylcholinesterase – a structurally related protein that mediates neurotransmission between nerves and between nerve and muscle – for the past 30 years. They bega...

Reconstructing the biology of extinct species: A new approach

... approximately 1/100 the size of those detected by medical CT scanners. In addition, experienced field workers used personal knowledge or film of animals in the wild to classify species into one of six locomotor categories ranging from very slow and deliberate to fast and agile. The scientists then compare...

AAAS decries latest stem cell veto

... interests of scientists and patients in fostering medical progress. The American Association for the Advanc...uld have lifted restrictions on federal funding of medical research using embryonic stem cells, which proponents say would be derived from microscopic embryos ...

Putting feelings into words produces therapeutic effects in the brain

...of Psychosomatic Medicine, a leading international medical journal for health psychology research. “Thinking, ‘this is anger’ is what we do in this study, where people look at an angry face and say, ‘this is anger,’” Lieberman noted. Creswell said Lieberman has now shown in a series of studies that sim...

Modified mushrooms may yield human drugs

...mes, such as cellulase for biofuels. "Right now medical treatment exists for about 500 diseases and genetic disorders, but thanks to the human genome project, before long, new drugs will be available for thousands of other diseases," Dr. Romaine said. "We need a new way of mass-producing protein-based dru...

Adult stem cells from human cord umbilical cord blood successfully engineered to make insulin

...oducing cells for a damaged or defective pancreas, medical researchers here have reported that they have engi...r years of research, in the June 2007 issue of the medical journal Cell Proliferation, posted online this week. Their paper calls it "the first demonstration t...

Genome of Clostridium botulinum reveals the background to world's deadliest toxin

.... Very small amounts of the same toxin are used in medical treatments, one of which is known as Botox®. The genome sequence shows that C. botulinum doesn’t have subtle tools to evade our human defences or tricky methods of acquiring resistance to antibiotics. It lives either as a dormant spore or as a scave...

Researchers use MRI to predict recovery after spinal cord injury

...r of neurosurgery at the University of Toronto and medical director at the Krembil Neuroscience Centre at Toronto Western Hospital. "In addition," Dr. Fehlings said, "these findings could result in a more aggressive clinical strategy for patients who may appear to have a severe SCI but may indeed have the ca...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

... tumor. "The 4-D VIP-Man will allow doctors and medical physicists to accurately predict and monitor these... when Xu's former student, Chengyu Shi, a clinical medical physicist, and Martin Fuss, a radiation oncologist, expressed their interests to develop better radi...

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