Loss of cell's 'antenna' linked to cancer's development
...ght) and a predisposition to obesity, diabetes and high blood pressure. In each case, cells fail to appropriately detect growth-controlling signals and develop abnormally. Now, researchers are adding cancer to this list. Many cancers arise from defects in cellular signaling systems, and we think we ha...Bright future for nano-sized light source
...le light source and subwavelength waveguides to do high resolution imaging inside the individual cell. The ability to monitor processes within living cells should greatly improve our fundamental understanding of cell functions, intracellular physiological processes, and cellular signal pathways. Yang an...Support for chromosomal theory of cancer found in cancers' development of drug resistance
...rangements, rather than mutations, can explain the high rates and wide ranges of drug resistance in cancer cells," he said. Duesberg even argues that the anti-leukemia drug imatinib (Gleevec), the poster child for rational drug design once hailed as a therapy that would make drug resistance a thing of t...Other highlights in JNCI, June 26
...lecules only benefit a subset of patients who have high enough levels of the target molecule. Often, though, phase III clinical trials are designed without knowledge of this threshold, so the trial includes patients who will not respond to the treatment. That means the drugs effect on the group of respons...Double honors for diabetes researchers
...nes could play a role in converting the effects of high glucose into nerve damage in diabetes. Further investigation confirmed the precise role these genes played. Dr Abbotts clinical research into the condition involved identifying the most effective testing methods for predicting foot ulceration cause...Gene variant increases risk for alcoholism following childhood abuse
...A-LPR variants occur most frequently and result in high or low MAOA enzyme activity. In a recent study, r...ly to develop behavior problems than boys with the high activity variant. Our aim was to test whether this low activity variant influences the impact of c...Biotech breakthrough could end biodiesel's glycerin glut
...7 -- With U.S. biodiesel production at an all-time high and a record number of new biodiesel plants under construction, the industry is facing an impending crisis over waste glycerin, the major byproduct of biodiesel production. New findings from Rice University suggest a possible answer in the form of a ...MIT tool determines landslide risk in tropics
... area with a 66 hazard rating, which is relatively high on a scale that goes up to 99, should the building code be more stringent or be zoned for no building at all"" Saldivar-Sali stresses the importance of using the landslide risk rating system to prioritize mitigation measures, as well. For instance,...UGA scientists receive $20M in federal bioenergy initiative
... which uses biotechnology approaches to reduce the high cost of processing plants into biofuels, has the potential to make ethanol a significant replacement for fossil fuels for this countrys future energy needs. David Lee, vice president for research at UGA, said, As the states land-grant university, ...American Chemical Society's Weekly PressPac -- June 20, 2007
...ical ingredients, which can be reused to make new, high quality plastic. That approach fostered recycling ...costly pressure chambers, extreme temperatures, or high energy inputs. Rather, it uses ordinary laboratory glassware. The method relies on ionic liquids, ...World's first X-ray free electron laser is on course to completion
...e magnet and pole assemblies, counteracts the very high magnetic forces between the upper and lower magnetic arrays, and is critical in determining the thermal and mechanical stability of the undulator. Precision and stability requirements for the LCLS devices far exceed those for existing undulators at t......us theories held that penguins probably evolved in high latitudes (Antarctica and New Zealand) and then moved into lower latitudes that are closer to the equator about 10 million years ago long after significant global cooling that occurred about 34 million years ago. We tend to think of penguins as ...DOE Joint Genome Institute secures long-term lease on production genomics facility
...tists and engineers through the thousands of local high school students who have toured the facility over the years. We look forward to building on this productive community partnership for at least the next decade. Founded as a virtual institute in 1997, DOE JGI opened the doors of the Production Genom...Can you hear me now? Stem cells enhance hearing recovery
...er recovery from hearing loss, particularly in the high frequency range, which is difficult to restore by ... damaged area of the inner ear improved hearing of high frequency sound (40 kHz) by 23% compared to natural recovery in untreated animals. This is the fi...Modified mushrooms may yield human drugs
...hat gene would be expressed as well. "There is a high probability that if the mushroom cell has the hygromycin resistance gene, it will also have the partner gene," Dr. Romaine added. The degree of gene expression ultimately depends on where exactly the imported gene lands in the mushroom chromosome, a...The BBVA Foundation commits 2.4 million euros to research in Ecology and Conservation Biology
... birds living in urban environments and exposed to high levels of acoustic pollution alter the tone and le...ies the suboscines who are less able to adapt to high noise levels because their songs are innate rather than acquired. This limitation could impair the b...Kansas, Missouri School Board members to explore improvements in science-related education
...and technology education from kindergarten through high school. The Kansas City seminar is the latest phase in an historic three-year national project that is developing plans and materials to help school boards nationwide develop policies and public support for state-of-the-art science, mathematics, a...New amfAR research grants to optimize HIV treatment
...less youth. These young people are at particularly high risk for HIV infection and yet they are often not ... 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. ...Specialized, bone-crushing wolves of Alaska disappeared long ago
...udies of their tooth wear and fracture rate showed high levels of both, consistent with regular and frequent bone-cracking and -crunching behavior. Those characteristics probably came in handy in ancient Alaska, where the wolves faced stiff competition for food from some very formidable competitors, she......tact tropical forests are removing an unexpectedly high proportion of carbon dioxide from the atmosphere, ...ably because trees and other plants were absorbing high amounts. Conversely, scientists had assumed a large amount of carbon was coming out of the tropics...