Identification of the first gene in posttraumatic stress disorder
...uma and constant hyper-arousal. These symptoms may persist for years, and are often associated with significant disability and distress. The lifetime prevalence of PTSD in the general population is estimated to be of 10%, and the incidence of new cases of PTSD among survivors of traumatic events varies bet...New study of Ground Zero air shows indoor spaces can be cleaned; diesel pollution remains a threat
...es, found little evidence that very fine particles persist in indoor spaces near Ground Zero once the areas have been cleaned according to U.S. EPA guidelines. "We knew that large amounts of very fine particles, which can get deep into a person's lungs and cause serious health problems, were released from t...Eczema patients lack natural antibiotic in skin
...st commonly in infants and young children, but can persist into adulthood. Severe cases can lead to sleep deprivation, chronic bacterial infections, and depression. Approximately one in nine people in the United States suffer from this disease at some point. Along with other allergic diseases, its prevalence...World-first gene therapy for cystic fibrosis targets lung stem cells?
...em cells to their daughter cells for the effect to persist beyond three months," Dr Parsons says. Research funding is now being sought to establish the most effective dose and timing for giving the detergent together with rigorous safety checks on the highly modified HIV-1 based virus particle used for ...Stomach-dwelling H. pylori bacterium reveals its age
...n the mucous layer lining the stomach where it can persist for decades. It is estimated that more than half the people in the world carry the bacterium in their stomach. Over the years, Dr. Blaser and longtime collaborator Dr. Perez-Perez have contributed greatly to understanding the biology of H. pylori. Th...Lower insulin sensitivity found In Mexican-Americans, regardless of behavioral and metabolic factors
... whether or not differences in insulin sensitivity persist between these two groups after controlling for the effects of acute and chronic exercise, abdominal fat distribution, and dietary intake. Second, to ascertain whether Mexican-Americans exhibit lower skeletal muscle protein concentrations of IR , PI3K...Hopkins researchers find postoperative fevers common following hemispherectomy
... nurses may allow fevers without other symptoms to persist for as long as two weeks if the child is active and playful. Of the 10 patients undergoing hemispherectomy since 2001, only one has required the insertion of a shunt to drain CSF, and none have been diagnosed with bacterial meningitis....Predicting the movement of genes
...tions. Also, this study shows that crop genes can persist even when the first generation of hybrids perform quite poorly compared to the wild plants," said Snow. The group's research offers new ways for ecological science to predict the movement of genes among plant populations. Previous studies have shown...Science picks-leads, feeds and story seeds (January 2003)
...ation patterns; such changes in climate frequently persist for decades at a time. In making plans for water management or flood mitigation, decision makers need to consider that future streamflow conditions may be different from past conditions. Check out the study at http://ks.water.usgs.gov/Kansas/pubs/...Cognitive abilities increase significantly with time in most prematurely born children
... age 12 to determine if the brain size differences persist or decrease over time. They are also repeating the cognitive tests at that time. Ultimately, they hope to study the children through the end of high school to see how they mature....New studies reveal connections between oceanographic processes and rockfish populations
...in layers of ocean water that extend for miles and persist for days at a time. "We have found concentrations of organisms in these layers five times higher than in surrounding waters," McManus said. McManus will present the group's findings in a symposium, "Opening the Black Box: Understanding Ecosystem Dyn...Stanford researchers identify genes involved in tuberculosis latency
...ram that contributes to the organism's capacity to persist and which explains, in part, the mechanism for reactivation," said Schoolnik. The secret lies in the ability of the bacteria to respond to a combination of low oxygen levels and increased amounts of nitric oxide - a molecule secreted by activated imm......d animals known. Both actual and model populations persist for centuries and take up high quantities of sulfide from seep sediments. Tube worms live off of sulfide (the toxic chemical responsible for the smell of rotten eggs) by supplying it to internal bacteria which use sulfide as an energy source. To acq...New study clarifies connection of brain and heart failure
...nisms, peripheral and central compensatory systems persist in a futile effort to restore homeostasis. The clinical approach to the heart failure syndrome is complicated by the fact that these compensatory mechanisms are initially supportive but are ultimately detrimental. The challenge is to develop therapeu...Carnegie Mellon scientists create unique DNA probe with great potential
...lar drug design because they have the potential to persist in a cell, target specific genes and regulate gene expression. What distinguishes the recent report from Armitage's lab is that the PNA used to hybridize with a quadruplex-forming DNA sequence has the homologous (identical) sequence as the DNA, rath...Europes population has developed new tendency to shrink, Science study reports
...in having more children, a tendency to decline can persist for decades, simply because there are fewer women of childbearing age. "Negative momentum has not been experienced on a large scale in world history so far. It is now like sailing against a current running toward population shrinkage and aging," Lutz...Plant pathologists find growing number of plants affected by sudden oak death
..., "SOD's reproductive strategy may make it able to persist indefinitely in infested forests and may affect the success of future regeneration and restoration efforts." While these new developments are worrisome, they are not without hope. "The more we know about how SOD is spreading, the greater the chances ...Smart mathematical model prevents the spread of swine fever
...ent it. As a result of this the epidemic can still persist for several months. This will partly depend upon how severe the epidemic is when the vaccination takes place. The question remains as to whether large-scale vaccination will take place in a future epidemic without the need for preventive slaughtering......onses never begin, and HCV can gain a foothold and persist in its host. Next, the scientists searched for ways to reverse the IRF-3 blockade. They applied a protease inhibitor to human cells containing modified HCV. This prevented the virus from making functional NS3/4A and restored the cells' IRF-3 pathway......ia left to infect. What's more, the phage seems to persist in animals, suggesting it continues to replicate in a harmless E. coli strain after all the O157:H7 bacteria have been destroyed. Finally, while bacteria can develop resistance as they do to antibiotics, the phage can out-evolve them. Brabban thinks ...