Trial shows which brain cancer patients benefit from temozolomide
...ow down the replication of cancer cells. So, it is bad news if the patient has non-methylated status because the DNA in these rogue cancer cells is being repaired as fast as the drug causes damage. This means the cancer cells are able to survive the drug's onslaught," said Dr. Hegi, who is also project l...Blue marlin in gulf have high mercury levels, A&M study shows
...ng ability when hooked. That's the good news. The bad news is that many blue marlin caught in the Gulf of Mexico contain 20 to 30 times the acceptable levels of mercury. Texas A&M University at Galveston researchers Jay Rooker and Gary Gill are trying to learn why the mercury levels are so high in blue ...Heart gene yields insights into evolution, disease risk
...n is to not to think of alleles as good alleles or bad alleles," he said. "Rather, there is a complex set of interactions, and in certain circumstances and in certain combination with certain other alleles, which allele is best can differ. So we're advocating a more nuanced view of how we view the genet...Essential smell gene may provide key to new insect repellents
...that we've reached an impasse in the fight against bad insects," says Vosshall. "We have DEET, but it has to be reapplied, you use large amounts, and every part of the skin has to be covered. It can't be used for infants or toddlers because of its toxicity. So it's not very useful against disease-vector ...Scientists fear new Ebola outbreak may explain sudden gorilla disappearance
...Sudan, Cte d'Ivoire, and Uganda. "This is clearly bad news, but it is not too late to act," said Christophe Boesch, Professor at the Max Planck Institute in Leipzig, Germany. "Although it would be disastrous to the great apes if another outbreak of Ebola is confirmed, we still have it in our grasp to sa...Study in Science reveals recreational fishing takes big bite of ocean catch
...e Ocean Institute. "Commercial fishing is not all bad and recreational fishing is not all good. A fish doesn't care if you are a commercial or recreational fisherman. It only cares if it is surrounded by water -or on ice." "Recreational fishing is important to many people," says Coleman. "For some it's ...Testing the fitness of biological clocks
...ystem is of no benefit and, in fact, might even be bad for the algae." The scientist doesn't know for certain why this happens, but he has some ideas. The microscopic plants use their biological clocks to turn their photosynthesis system on and off. In a normal 14-hour day/night cycle, this allows the mi...Chemical engineers discover filtration system to help biotech industry
...s lead researcher. "To separate the good from the bad proteins is an important engineering breakthrough. We believe that pharmaceutical companies will immediately be able to put our research to work." Before this invention, proteins had to differ five to six times in their molecular weight, before a...Flame retardant levels much higher in farmed salmon
...rations are going up, and that seems to me to be a bad idea," Hites continues. While levels of all the organochlorine chemicals from the previous study are on the wane, PBDEs have been rising continuously for the past few years, he says. Officials are still debating the fate of flame retardants in the Un...Excess thyroid hormone harmful to fetus
...xcess. We now see that having too much is just as bad as having too little. This tells us that hormonal replacement must be assessed and fine-tuned so as not to exceed the normal requirements." Physicians have not been able to study the effect on the fetus of excess thyroid hormone, which regulates met...News tips from the Journal of Neuroscience
...etained the ability to adjust for 200 days. That's bad news for the barn mouse. 2. Putting fear in its place: remapping of hippocampal place cells during fear conditioning Marta A. P. Moita, Svetlana Rosis, Yu Zhou, Joseph E. LeDoux, and Hugh T. Blair Hippocampal space cells encode information about...Lehmann lovegrass won't succumb to fire
...ass won't work, researchers report. The finding is bad news for land managers seeking a way to control the introduced grass. Fire was thought to be one way to restore native grasses and prevent further spread of the non-native species. Regardless of the time of year Lehmann lovegrass was burned, the g...LSU vet school professor uses gene therapy to destroy cancerous tumors
...round its mouth. Li said that the dog was in very bad shape, but the treatment was largely a success. The dog's two smaller tumors were eliminated by the treatment, and about one third of the larger, more advanced tumor was eliminated. Unfortunately, the large tumor's size and location was inhibiting th...Symposium to tackle questions of genetic engineering and biodiversity
... were the original strains," Oberhauser said. "The bad news is that the initial decisions were made by the Environmental Protection Agency without the necessary scientific information." The symposium will be held from 1:30 to 5:30 p.m. EDT Saturday, July 31, in the Roone Arledge Cinema, Alfred ...Protective mechanism exploited by tumors may provide new cancer treatment
...ed. "Our hypothesis in this situation was that the bad guys in this case were actually cells from the host, perfectly normal cells that had, in a sense, been requested by the tumor," says Dr. David Munn, pediatric hematologist-oncologist and lead author on the study published in the July 15 issue of Jour...New space-borne instrument to track greenhouse gases, ozone destroyers, and other pollutants
...mix with other gases in the troposphere. Good and bad ozone at different altitudes At 50 kilometers (30...nhouse effect is necessary to warm the planet, but bad if the warming continues to increase at too rapid a rate. At 5 kilometers (3 miles), ozone is a sou...FSU scientists develop new tests to detect nut allergens in processed food
... profitable for growers and industry. However, the bad news in turn generated some very good news -- precisely because the irradiation and thermal procedures likely to be encountered during commercial processing did nothing to alter the tree nut protein antigenicity. Now lab tests originally used on unpr...Releasing pet fish into the wrong ocean proves a diaster
...intentions, but in the wrong ocean. It is a really bad idea." The aquarium trade has long been suspected of introducing alien species, but the link has never been proved. So a team led by Semmens compared figures from imports of tropical marine fish into the US with sightings of exotic fish in the wild ...A fly's taste experience is much like our own
...ons basically tell the fly whether food is good or bad to eat," said Scott, an assistant professor of molecular and cell biology at UC Berkeley. "It's pretty amazing that after hundreds of millions of years of evolution, flies and humans still use the same logic for taste detection." Tracing the taste re...... a water tank. However, when they switched off the bad gene, the mice showed normal long-term memory formation. In experiments similar to those of the Kandel group, Korzus and his colleagues also found that a drug that inhibits the removal of acetyl groups from histones restored long-term memory formatio...