Brain's 'daydream' network offers detection for Alzheimer's diagnosis
...nces in the ability of younger and older adults to shut down a brain network normally active during period...ive free-thinking state, but these areas appear to shut down dramatically or 'turn off' when the person is asked to do something," said Cindy Lustig, resear...Scientists identify novel enzyme with key role in leukemia protein's normal function
... the researchers say, might provide a novel way to shut down runaway production of cancer cells. The findi...compounds. Thus, a drug that blocks Taspase1 might shut down the runaway proliferation of blood cells that causes the leukemia - and might work in other can......r gefitinib) that worked on the inside of cells to shut down the EGF receptor signaling pathway. ZD1839 was developed in the labs of AstraZeneca pharmaceuticals after researching many new chemical entities that had a high affinity to the EGF receptor site. Baslega, currently at a university hospital in B...Rejection really hurts, UCLA psychologists find
...er way around. "Verbalizing distress may partially shut down areas of the brain that register distress," Lieberman said. "The regulating abilities of the prefrontal cortex may be why therapy and expressing painful feelings in poems and diaries is therapeutic." But humans may need a conscious awareness of ...New insight into heart failure suggests novel drug target
...ce to produce an inactive form of PI3Kgamma, which shut down the protein's ability to trigger beta-adrenergic receptor loss. Thus, in the genetically altered mice, beta-adrenergic receptors remained active when chronically exposed to an adrenaline-like chemical, while the receptors of normal mice exhibite......exual abuse, there is no such thing as an open and shut case of forgive and forget. An ongoing ten-year study on the long-term impact of child sexual abuse found that reconciling with the offender might not be a healthy choice, especially when the mother and child are not close. Going beyond certain st...Trojan Horse technique may slow growth of tumours
...e their growth. EGF later moves inside the cell to shut off the growth signal. Working on the theory that EGF can also transport other substances, the scientists created a drug - 111In-hEGF - that mixes EGF with the radioactive isotope Indium-111. Once injected into the body, the EGF portion carries the I...Immune alarm system can both amplify and silence alerts, scientists find
...tial contact, the harder the synapse could work to shut that same message down in later stages of contact. In collaboration with Michael Dustin, Ph.D., now at New York University Medical School, Shaw's group was quickly able to devise an experimental test that proved Chakraborty's interpretation correct. ...Comfort-food cravings may be body's attempt to put brake on chronic stress
...e an acute threat has subsided, these hormones are shut off through an inhibitory feedback system. During chronic stress, however, the system does not turn off, and glucocorticoids, which were formerly inhibitory, have an over-riding excitatory effect on brain stress networks. Glucocorticoids in the syste...Finding the link between fat and high blood pressure
...ous system. Catecholamine, in turn, is supposed to shut down leptin production, but, inexplicably, that doesn't happen either, says Dr. Harshfield. The researchers say that stress increases angiotensin II levels and therefore blood pressure. Furthermore, in obese individuals, fat-produced leptin and ang...Health insurance scams leave thousands with large medical debts and no coverage
...Not only do we need better methods to identify and shut down illegal operations, we need to expand access ...xas Insurance Department has in the last two years shut down 129 unauthorized insurance companies, affiliates, operators, and their agents, whose illegal ac...Subversive strep bug strategy revealed
...y them. Neutrophils are genetically programmed to shut themselves down after they engulf and kill microbes. Because of this controlled shutdown, cellular debris is cleared away from the site of the infection, and any inflammation subsides. Ordinarily, neutrophils are highly effective at their job. Indee...Mapping the air to safeguard your looks, the environment and planes in flight
...the wings to the instrument panel, and the engines shut down. Only after falling 6000 metres out of the dust were the engines able to restart, and even then the windscreen was so scratched their emergency landing at Jakarta proved extremely difficult. It was aviation incidents like this that led to the I...Green teas cancer-fighting allure becomes more potent
...rs who have discovered that chemicals in green tea shut down one of the key molecules that tobacco relies ..." Gasiewicz and Palermo showed that the chemicals shut down the AH receptor in cancerous mouse cells, and early results indicate the same is true in human ...Scientific task force to examine usefulness of testosterone replacement therapy in older men
...likelihood that a man will ever experience a major shut down of hormone production similar to a woman's menopause, is remote, according to Dr. Slater.In fact, many of the changes that take place in older men often are incorrectly blamed on decreasing testosterone levels. Some men who have erectile diffic...The eyes have it: Study shows infants more tuned into wider world than previously believed
...n the study were randomly assigned to eyes open or shut conditions. Each infant was seated in a parent...n the eyes-closed condition, except the researcher shut her eyes before turning toward one of the toys and didn't open them again until she was facing the i...$2 per dose vs. $1500 per dose: One doctor develops new therapy for macular degeneration
...n of the drug causing the newly growing vessels to shut down and temporarily slows the growth of the macular degeneration. The problem with this treatment is the effects are only temporary. The vessels eventually re-grow with the result that most patients need between 3 and 4 treatments during the first y...Gene therapy promising for preventing restenosis
... Sept. 17 An experimental gene transfer technique shut down cell re-growth in the arteries' interior lining and reduced the inflammatory response two main causes of re-narrowing of newly opened blood vessels, researchers report in today's rapid access issue of Circulation: Journal of the American Heart ...New method of turning off viruses may help control HIV infection, says Jefferson scientist
...nown for several decades that organisms can and do shut off the expression of certain genes. But, he says,... type of RNA called double-stranded RNA (dsRNA) to shut off genes. Dr. Pomerantz explains that dsRNA is cut up by an enzyme, "Dicer," into smaller siRNAs, w...Wake Forest researchers find brain region 'exquisitely' sensitive to alcohol
...Low doses of alcohol increase activity; high doses shut it down," said Godwin, associate professor of neurobiology and anatomy. Characteristic "spindle" brain waves are produced during what is called stage II sleep, which is transiently enhanced after alcohol consumption but is reduced later in the nigh...