Sentinel lymph node biopsy is associated with breast cancer rates
...ncreasing, but this finding is likely explained by changes in clinical practice, according to a study published online June 26 in the Journal of the National Cancer Institute . Deirdre Cronin-Fenton, Ph.D., of Aarhus University Hospital in Denmark, with colleagues at the National Cancer Institute in Beth...Double honors for diabetes researchers
... David Tomlinsons lab. My research examined gene changes between nerves from healthy rats, diabetic rats and those from diabetic rats treated with compounds known to prevent nerve damage in rodents. These studies suggested many genes could play a role in converting the effects of high glucose into nerve ...University of Arizona launches major scientific research initiative at Biosphere 2
...duce plants and ask how having life on a landscape changes the behavior of water, both in the air and in the soil," Huxman said. "We are interested in how plants modify their environment -- how they change the amount of time a water molecule spends in the soil and how that affects the biogeochemical reaction...Cord blood may preserve insulin levels in children with type 1 diabetes
...s safe, and we have seen metabolic and immunologic changes to suggest there may be benefit, Haller said. Its not curing diabetes, but this is a first step to help us learn more and get us moving in the right direction. Researchers got the idea in part from a patients father who had read that scientists els...Weizmann scientists discover a new line of communication between nervous system cells
... transfer signals to the cell interior, initiating changes needed to undertake myelination. The scientists found that production of Necl4 in the glial cells rises when they come into close contact with an unmyelinated axon, and as the process of myelination begins. They observed that if Necl4 is absent in ...American Chemical Society's Weekly PressPac -- June 20, 2007
...gy called two-dimensional electrophoresis to study changes in different proteins present in two groups of patients with coronary artery disease, the underlying cause of most heart attacks. One group of patients was aspirin-sensitive and the other had aspirin resistance. The researchers found increased leve...What's the backscatter of your beer?
...nalyzed so that an operator can immediately detect changes in the fermentation process. The technology can be automated, runs continuously unattended and can be configured to trigger process controls such as valves and switches. The ultrasound technology is also useful for measuring cell or organism growth...OHSU scientists find antidepressant, bone loss link
...future studies will continue to track bone density changes over time to help researchers determine the effects of SSRI use on markers of bone cell turnover....Alzheimer's drug based on Purdue -- designed inhibitor begins clinical trials
...hen the treatment molecule binds to the enzyme, it changes the shape of that puzzle piece so that it no longer fits in its original spot. This halts the chain reaction that leads to the devastating symptoms of Alzheimer's disease." Since 2000, Ghosh has been leading the structure-based design of beta-secre...The BBVA Foundation commits 2.4 million euros to research in Ecology and Conservation Biology
...anical and ecological legacy through major climate changes and tectonic shifts. EFFECTS OF NOISE POLLUTION ON TROPICAL BIRDS It has recently been shown that birds living in urban environments and exposed to high levels of acoustic pollution alter the tone and length of their calls so they can overcome b...New amfAR research grants to optimize HIV treatment
... Ph.D. NDRI USA Inc., New York, NY $119,598 Recent changes in HIV testing recommendations Impact on youth at risk: Homeless youth are at particularly high risk of HIV infection and yet are often not tested for the virus or do not return for test results. Because the CDC has recently recommended that all peo...Weill Cornell team identifies potential new cancer drug target
...hniques, including X-ray crystallography, to track changes in the structure and activity of XIAP and the molecules it interacts with in cells. "We discovered that XIAP interacts with the NF-kappa B cycle in two distinct ways," Dr. Wu says. "It interacts with another key protein, called TAB1, and it also...Ancient retrovirus sheds light on modern pandemic
...le to HIV."For example, the researchers found that changes in TRIM5a that make it better at fighting HIV actually inhibit its ability to stop PtERV1 and vice versa, which indicates that this antiviral gene may only be good at fighting off one virus at a time. Uncovering the story of TRIM5a's role in battling...Pregnancy nausea/vomiting may indicate lower risk of breast cancer
...rkers may serve as proxies for underlying hormonal changes and altered hormone levels in blood and tissue. ...slate into breast cancer. Associated with these changes are the fluctuating hormonal profiles that must be kept in a delicate balance. If the correct ratios...Researchers isolate new risk marker for overweight children
... prevent CVD. "For some people exercise and diet changes may be the best prescription, for others it may be a pharmaceutical intervention, and, indeed, in some cases a combination of both may be required," Proctor said, adding that pharmaceutical companies are currently on the cusp of producing new drugs t...Mathematics reveals genetic pattern of tumor growth
...ncer itself. To determine the pattern of genetic changes that leads to the most robust tumor growth, Komarova and her colleagues used a mathematical technique called optimal control theory in which they considered a tumor with set characteristics, then changed the cell mutation variable to see under which ...Antarctic icebergs -- Hotspots of ocean life
...ms are the preferred food for krill, we expect the changes in phytoplankton community composition to favor grazing as a key biological process involved in carbon sequestration around free-floating icebergs, said oceanographer Maria Vernet from Scripps Institution of Oceanography at UC San Diego, one of the m...JCI table of contents: June 21, 2007
...ize and mass a process known as hypertrophy. These changes may become irreversible after prolonged cardiac st...e cell autophagy and diminished harmful structural changes to the heart under severe pressure stress. Conversely, Beclin 1 overexpression increased autophagy a...Prey not hard-wired to fear predators
... vegetation used by these migrants. It is not just changes in climate or disease may alter our big remote wild landscapes, but so do the actions of conservationists and public agencies by restoring ecosystems to bring native carnivores back to where they once thrived. said Dr. Berger. Bergers study, which ......ing an organized pattern, this pattern of messages changes completely in cancer cells. When pancreatic cells transform into cancer cells, they abandon their usual functions and start sending abnormal messages, which encourage them to quickly divide and invade nearby tissues. The aim of this PhD was to inte...