High-powered gene profiles provide clues to genes involved in common form of lung cancer
...been deleted or copied over and over again –?which suggests that a large number of cancer genes remain to be discovered. The purpose of this study was to locate the likeliest candidates." The study is part of a renewed effort by scientists worldwide to uncover the basic biology of lung cancer, the number one...Stem cell treatment improves mobility after spinal cord injury
...n disease and injury," Keirstead said. "This study suggests one approach to treating people who've just suffered spinal cord injury, although there is still much work to do before we can engage in human clinical tests." Acute spinal cord damage occurs during the first few weeks of the injury. In turn, the ch...Scientists discover global pattern of big fish diversity in open oceans
...rebuild some of the lost biodiversity. "Our paper suggests there is a solution ?while some hotspots have already disappeared, there are still some very special places where species concentrate," says Worm. "We have the chance and the political measures to protect some of these areas. To me, it's the most imp...Stem cells in bone marrow replenish mouse ovaries
...renewed with new eggs in adulthood. The new study suggests an unexpected source for the progenitor cells that can jumpstart new egg cell production--outside of the ovary--say Jonathan Tilly and colleagues at Massachusetts General Hospital and Harvard Medical School. The finding is "really revolutionizing ho...Fat's fate depends on its source
...healthy metabolism requires a healthy dose of fat, suggests a new study published in the May issue of Cell Metabolism. Fats taken in directly from the diet or generated from sugars spark a cascade of gene activity in the liver necessary for healthy blood levels of sugar, cholesterol, and other fats, according...Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale
...o were small and rare," Irmis said. "What we found suggests that ornithischian dinosaurs did not diversify and get large until the beginning of the Jurassic." "People have argued that there is a great diversity of dinosaurs in the Late Triassic, and this shows that they are not as diverse as many thought," P...Agilent Technologies introduces high-capacity human protein removal system for proteomics research
...o were small and rare," Irmis said. "What we found suggests that ornithischian dinosaurs did not diversify and get large until the beginning of the Jurassic." "People have argued that there is a great diversity of dinosaurs in the Late Triassic, and this shows that they are not as diverse as many thought," P...Fungus-farming termites descend from an African rain forest Eve
...on of DNA sequence analysis and computer modelling suggests that termite agriculture originated in the African... Africa, so have fungus-farming termites. Evidence suggests they have colonised Asia at least four times. ...Researchers discover stem cell 'guide' that may be key for targeting neural stem cell treatments
...ey can replace old and dying cells, a finding that suggests how stem cell therapies can be specifically targeted to brain regions affected by neurodegenerative diseases or by stroke. Associate Professor Qun-Yong Zhou and graduate student Kwan L. Ng in the UCI Department of Pharmacology have identified a prot...Study: Well-known protein helps stem cells become secretory cells
...vary gland, they found. According to Andrew, "This suggests the salivary gland becomes programmed for secretion because all the components required to allow secretion to occur are 'turned on' very early in development." In order for any gene's instructions to be used to make a protein, the process of reading...Any exposure to tobacco smoke during pregnancy is risky
A re-examination of data from earlier studies suggests that exposure to second-hand smoke during pregnancy can be just as detrimental to a developing fetus as primary exposure through maternal smoking, according to a recent paper from the University of Pittsburgh Graduate School of Public Health. In a s...Depression gene may weaken mood-regulating circuit
A brain scan study suggests that a suspect gene may increase susceptibility to...dreas Meyer-Lindenberg, a lead author. "This study suggests that the cingulate's ability to put the brakes on a runaway amygdala fear response depends upon the ...Researchers extend mouse lifespan by protecting against free radicals
...e to the free-radical theory of aging. The theory suggests that very reactive chemicals, called "free radical...r, and other age-related diseases. The theory also suggests that if the body could be protected from those free radicals, then age-related diseases could be tam...Molecular steps involved in the creation of gene-silencing microRNAs identified
... also been identified as a tumor suppressor, which suggests still other connections to be explored." The lead authors on the Nature study are Thimmaiah Chendrimada, Richard I. Gregory, and Easwari Kumaraswamy, with each contributing equally to the work. The remaining co-authors are Jessica Norman, Neil Cooch...Scientists reveal how disease bacterium survives inside immune system cell
...t in a process known as apoptosis. Recent evidence suggests that this process is vital to resolving human infections. A. phagocytophilum is unusual in that it can delay apoptosis in human neutrophils, which presumably allows some of the bacteria to replicate and cause infection. "This particular bacterium s...Brown-Harvard team solves mobile DNA's surgical sleight-of-hand
... then sealing them up afterward. The research also suggests how three "helper" proteins ?think of them as nurses ?intricately fold the DNA strands during this surgery. Marta Radman-Livaja, a postdoctoral research associate at Brown, conducted the biological and biochemical aspects of the experiments. The Har...Study shows humans have ability to track odors, much like bloodhounds
... dog (or pig) is king. The evidence presented here suggests that humans are every bit as well equipped to carr...t we have this predictive value in the data really suggests that we have actually successfully captured the mechanism." What's more, another area of the brain ...Scripps research scientists identify infertility molecule
... as an LPA receptor have fertility problems, which suggests that these receptors play a major role in conception. In the latest issue of the journal Nature, the scientists detail how mice that lack LPA receptors, which normally appear on the surface of cells in a mouse's womb, have fertility problems. These ...Discovery of an American salamander where it shouldn't be: Korea
...a koreana, in the May 5 issue of Nature. The find suggests that the lungless salamanders are more widespread than people thought, and some 60 to 100 million years ago may have had a worldwide range, from the Americas through Europe and Asia. Since then, as the world's climate cooled, salamanders in the Ameri......neering in whose lab the DNA structures were made, suggests that drugs could be encapsulated in buckyballs to ... an intriguing and serendipitous surprise. A model suggests that one buckyball consists of about 19,000 amphiphiles, with their water-loving DNA mostly on the o...