Study links high carbohydrate diet to increased breast cancer risk
...id rise in the body's blood sugar levels, which in turn cues the production of insulin and triggers a biological process that ultimately can influence carcinogenesis by causing cells to proliferate. Insulin and an insulin-like growth factor also may contribute to higher circulating levels of biologica...UCSD researchers are first to demonstrate molecular link between inflammation and cancer
...r kappa B (NF-kB), that acts as a master switch to turn on inflammation in response to bacterial or viral infections. In epithelial cells, NF-kB promotes the development of cancer not through inflammation, but through inhibition of a cell-killing process called apoptosis. In myeloid cells, NF-kB causes ...Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone
...n to process seeds and underground plant organs to turn them into more digestible and nutritious dietary elements"...NHGRI adds 18 organisms to sequencing pipeline
...ere then reviewed and approved by NACHGR, which in turn forwarded its recommendations regarding sequencing strategy to NHGRI leadership. During the working groups' deliberations, NHGRI also established an analysis group to help determine the optimal number of species and/or depth of sequence co......g of particular behaviors. The symposium will then turn to sexual selection's role in family groups. Joan Roughgarden (Stanford University) will present her talk "Social selection: Between-and within-sex allocation of cooperative effort and emergence of family structure." Suggesting traditional sexual s...Study: A little help from friends makes wounds heal faster
...o delays wound healing. While the animals couldn't turn around in the tubes, they could move back and forth and stand up or lie down. Hamsters were separated into four groups for one of the experiments: socially isolated, non-stressed; socially isolated, stressed; paired, non-stressed; and paired...'Smart gene therapy' protects against damage from heart attack
...hysiological on-off switch that will automatically turn on the therapeutic gene when ischemia causes dangerous levels of oxygen deprivation," Dzau said. "Such internal regulation is ideal for safe and effective gene therapy." The researchers injected the gene construct into the heart, liver and skeletal m...Virginia Tech's smelly 'corpse plant' due to bloom Aug. 4
...Anthuriums. To get to the greenhouse from Rt. 460, turn onto the Virginia Tech campus at Southgate Drive, turn left on Duck Pond Road, and right on Washington Street. Very shortly, you will see the greenhouses o...Wolf reintroduction reshapes Yellowstone ecology
...aller and thicker when wolves are present. This in turn has allowed beaver colonies to expand. Ripple and Beschta base their conclusions on theory about feeding relationships between species, browsers' risk of predation since the reintroduction of wolves into the park in 1995, and empirical research. In ...Study: Mothers turn fearless when peptide level drops
...ch has investigated the biological mechanisms that turn on this trait in new mothers. "We've known for a long time that fear and anxiety decrease with lactation," explains Gammie. "Maybe it's this decrease that allows mothers to attack during a situation that normally would evoke a fear response...Two-pronged attack targeting EGF receptor hinders cancer cell growth
...ptor from responding to extracellular signals that turn on the receptor's intracellular mechanisms. The EG...FR-driven cell signaling, more of the cancer cells turn from proliferation to programmed cell death, a process known as apoptosis. And in animal models, the...Whale carcass yields bone-devouring worms
... from the vents are consumed by bacteria, which in turn provide nutrition for animals. Similar food webs and sulfide-dependent organisms have been observed at whale falls, where sulfides may be produced by bacterial decay of whale tissue. However, the symbiotic bacteria in Osedax spp. worms represent an e...Scientists suggest framework for epigenetics in common disease
...parent the gene came from. The marks also normally turn genes on or off. But just as changes in DNA sequences can cause diseases such as cancer, gain or loss of epigenetic marks can, too. To date, only small, targeted regions of DNA have been analyzed for accompanying epigenetic marks. But the Hopkins re...Location of potential familial lung cancer gene discovered
...o better understanding of those diseases, which in turn can lead to better strategies for treatment and prevention. We hope that uncovering a gene or genes responsible for lung cancer will do the same for this devastating disease," said co-lead author Joan Bailey-Wilson, Ph.D., NHGRI. Lung cancer is by f...K-State researcher working to improve alternatives to equine antibiotics
... effect, what we may be able to do is specifically turn on antimicrobial peptide production and other immune response factors that help ward off infection," Davis said. "What it would mean is we hope we could use shorter antibiotic therapy." Davis said she also hopes to find which motifs are the most sti...Scientists discover new intricacies in how ulcer bugs stick to stomach
... been lost," Berg explains. The ability to turn these proteins off insures that some bacteria can more easily break away from the stomach lining. "Some people's immune systems mount a strong inflammatory response to H. pylori that can actually wipe out the bacteria, so from the bacteria's...Healthy fats and oils essential to satisfy calorie-conscious consumers
... more educated consumer who has the opportunity to turn to healthier alternatives such as olive oil and make informed decisions after considering the inherent risks in certain foods," says Naidu. The labeling legislations also serve as a wake-up call to the food manufacturers to reexamine and even reformu...New framework for biodiversity conservation
...ancial or other incentives to land owners, helping turn years of planning into actual protection for species that are running out of time." The authors state that their results do not diminish the need for accurate information on the distribution of plants and animals and the activities that threaten thei......ting known as the first endodermal pouch, which in turn acts as a template and helps to pattern a specific region of the hyosymplectic cartilage. But the pouch may have more far-reaching effects. Since integrina5 mutants also have region-specific defects in cranial muscles and nerves, the first pouch may ...Drug prevents chemotherapy-induced hearing loss, study finds
...ogy, OHSU School of Medicine. But because NAC can turn off cisplatin's active element, platinum, the timing of its use is everything. The study found that NAC was most effective against cisplatin when given 15 minutes before chemotherapy, but it was less likely to diminish cisplatin's cancer-fighting eff...