Gene used in brain development can cause childhood brain cancers
...ellum, but the gene is generally turned off and no longer used after birth. Using a novel technique that involves snipping apart the entire DNA content in the chromosomes of medulloblastoma cells and then analyzing the quantity of each, Yan and his colleagues detected an abnormally amplified segment among t...NJIT hosts Spring Career Fair: Employers expected to increase hiring...
...major, thinking there are few jobs. But that is no longer true. It usually takes a few years for people to realize that job growth in a field has gone from low to high, and this is the case with computing engineering." Participating companies at the career fair include Schoor, DePalma Inc., Manalapan; ADP...Cricket's finicky mating behavior boosts biodiversity
...t, however, members of the two distinct species no longer mate with each other. This discovery led Mendelson...recognized each other as mates, the descendants no longer do because of evolutionary change. In the case of Laupala, members of the two species are physiologi...Melatonin shrinks bird gonads. What does the popular supplement do in humans?
...y higher levels of GnIH than did quail raised with longer periods of light, which would be expected to produce less melatonin. In addition, the short-day males had larger testicles than the long-day males. Further support for the importance of melatonin in the reproductive cycle of males came from biologis...Sexual cooperation: Mating increases longevity in ant queens
...ncreased lifespan and reproductive success, living longer irrespective of whether males could transfer viable sperm or had been sterilized prior to mating. It remains unknown how mating increases the longevity of the females. Sexual cooperation, rather than sexual conflict, is promoted by the life history...UCSD team discovers specialized, rare heart stem cells in newborns
...f the heart after birth, when the newborn heart no longer relies upon the mother's circulation and oxygenation," Chien said. "We believe the isl1+ progenitor cells are left over from fetal development so that they can insure the closure of any existing small heart defects and the formation of a completely m...Progress toward a new remedy for chronic urinary tract infections?
...the wall of the urinary tract, so that they can no longer cause infection. Because E. coli bacteria use very...ed by this particular substance that they would no longer be able to cling to the wall of the urinary tract. Their search for such a substance proved fruitfu...Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers
...nment, the insect opens its respiratory system for longer periods of time; when it closes the system, it does so for only a very short time. In a stream of air with high oxygen on the other hand, the respiratory system opens briefly and then closes firmly for a long time. "In other words, insects are active...Diabetes' link to obesity broken in mice
...cked the cell into thinking that PPAR-alpha was no longer activated. Insulin sensitivity increased as a result. To follow up, Kelly's lab is attempting to rescue the new mouse line from glucose intolerance and insulin resistance. PPAR-alpha seems to convince cells that they don't need glucose because they...Fitness correlates of song repertoire size in free-living song sparrows
...on on Mandarte. This was because these males lived longer and reared more hatched chicks to independence from parental care, not because the females who mated to males with larger repertoires laid or hatched more eggs. Furthermore, they discovered that independent offspring of males with larger repertoires...California researchers help map human genetic variation across populations
...e. "This study and software tools mean that you no longer have to wait to do whole-genome association studies," said Perlegen scientist David A. Hinds, lead author on the study. "We've effectively figured out how to reduce the genotyping burden by identifying a reduced set of tag SNPs, thus decreasing the d...Secrets of whales' long-distance songs are being unveiled
... the "ocean smog." Says Clark, "If females can no longer hear the singing males through the smog, they lose breeding opportunities and choices. The ocean area over which a whale can communicate and listen today has shriveled down to a small fraction of what it was less than a century ago."...Study identifies mechanism of resistance to targeted therapy in lung cancer patients
...ing the "keyhole" so that the "key" gefitinib no longer fit. "The development of a second mutation suggests that the tumor cells remain dependent on an active EGFR pathway for their proliferation," explains Tenen, who is also a Professor of Medicine at Harvard Medical School. "This mirrors the situation t...Tailing the cause of a rare heart disease
...eart becomes enlarged to the point where it can no longer pump blood efficiently. In earlier studies of patients with cardiomyopathy preceded by hearing loss, the Seidmans and their colleagues identified a region of chromosome 6 as the location of the culprit gene. In the latest study, they sought to pinpoi...First ever estimate of cod fishery in 1850s reveals 96% decline on Scotian Shelf
...ivity." "Stock rebuilding programs should consider longer term, high biomass goals for full restoration."...Bugs, even 'bad' ones, can be educationally beneficial, new book says
... six months. "By the end of 1889, the scale was no longer a threat anywhere in California," Waldbauer wrote. Waldbauer also recounted a more recent study in which tsetse flies were feasting on and causing infections in cows in Zimbabwe. Entomologists led by Steve Torr of the University of Greenwich in the U...Future diabetes drugs may target new protein interaction
... moderate amounts of red wine is associated with a longer life for people. But at this point, knowing for sure whether sirtuin1 helps extend lifespan (an organism issue) or is merely involved in cellular aging (a cell-by-cell issue) in mammals will take much more work. Sirtuin1's potential as a target for t......tor. Combinations that gave a better disguise took longer to be seen, and it therefore took longer for the mealworms to be eaten." This research provides the first evidence that patterns which deceiv...Researchers discover a good side to cholesterol in controlling cell signals
...sterol gets low, OSBP loses its cholesterol and no longer is able to bind the enzymes that deactivate ERK, keeping it active. "OSBP appears to work like a cholesterol-regulated scaffolding protein that controls a key signaling pathway," Dr. Anderson said "This work shows a new way that lipids can regulate ......right now. Meanwhile, the requirements are getting longer and longer, and this is a huge dilemma with the recent discussion about Vioxx. That's created some doubt in the approval procedure. I think we have to come to a reasonable expectation here in terms of the balance between benefits and potential harm. ...