Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds
... that the error attributable to sampling and other random effects could be plus or minus three percentage points. "Use of Vitamins Containing Folic Acid Among Women of Childbearing Age -- United States, 2004," by Heather K. Carter, M.P.H., Association for Teachers of Preventive Medicine; Lisa L. Mas...New treatment for fibromyalgia
... percent--had been diagnosed with depression. On a random basis, the patients were prescribed one of two treatments for a course of 12 weeks. About half, 104 individuals, received 60 milligrams of duloxetine twice a day. The remaining 103 patients were given a placebo. Both groups were evaluated and scored,...Computer scientists at UH developing 'nurturing' computers
...themselves intermittently for short intervals in a random manner, involving any number of situational and environmental variables." Pavlidis will collaborate with the Medical Usability Lab of Columbia University in New York and the Physiology Lab of Mayo Clinic in Rochester, Minn., for the human experimen...Heart gene yields insights into evolution, disease risk
...a. They compared the pattern of variation with the random genetic variation taking place in a group of neutral genetic markers. These analyses revealed that the variation in the gene among populations could be attributed to evolutionary positive selection. Particularly interesting they said, was that their ...Researchers uncover secrets of immune system's munitions factory
...ess is the activation of AID, which causes largely random mutations in the genes for the antibody segments that recognize antigens. These mutations occur about a million times more frequently than spontaneous mutations in other genes. In this process, known as somatic hypermutation, AID selectively "damages...Researchers find clues about how antibodies specialize
...lective gene mutations, while being protected from random mutations that could give rise to cancers. The ... some reason, then the B cell would incur a lot of random mutations and that might lead to tumors." The next step, then, is to figure out what sometimes goes...Study shows how consensus is attained in a noisy world
... not perfectly reliable but is subject to error or random noise, due to lack of trust, indecision or unreliable information technologies." For the citizens of Leipzig, the "noise" was the presence of the Stasi, the state secret police. "The need of individuals to avoid certain forms of communication, due t...New technique helps scientists reveal interactions between genes and drugs
...ple generations of the same family. Children get a random mixture of genes from both parents, so both genetic markers and changes in sensitivity are sometimes passed from parent to child and sometimes aren't. When a particular genetic marker is consistently passed from parent to child at the same time as a ...Study shows that ultrasound accreditation improves the quality of ultrasound practice
...stetric and gynecologic ultrasound examinations. A random sample of consecutive AIUM accreditation applications from practices that successfully completed an initial accreditation cycle and a reaccreditation cycle 3 years later was reviewed. A second list of applications from practices that recently complet...Reading hexametric rhyme supports cardiac synchronization, especially after a heart attack
...ns the subjects performed a different exercise (in random order): hexameter recitation (H), controlled breathing (C) and spontaneous breathing (S). The researchers used a piece from Homers Odyssey in a German translation, which did not alter the rhythmic scheme of the verse. During each session an ...Cell death protein has surprising role in cell migration
...udying fruit flies engineered to make extra use of random genes, the Hopkins team discovered that a protein ...ch in which the scientists alter the expression of random genes, look for a specific effect in the resulting flies and then figure out which gene was affected...Releasing pet fish into the wrong ocean proves a diaster
...n, between 1993 and 2002. Statistical analyses on random samples confirmed that fish species imported in the highest numbers are those mostly likely to have been sighted off the US coast. The researchers ruled out the ballast water picked up and discarded by ships to maintain stability as a cause for the i......llins uses a process in which genes are mutated at random with a chemical mutagen to determine what genes are required for a particular process of interest. This is opposed to reverse genetics, where there's a particular gene of interest, which is then knocked out to determine its function. The mother-who i...Life goes on without 'vital' DNA
...have important functions. All DNA tends to acquire random mutations, but if these occur in a region that has an important function, individuals will not survive. Key sequences should thus remain virtually unchanged, even between species. So by comparing the genomes of different species and looking for regi...Loyola decides to test new blood substitute in trauma patients at the scene of injury
...lood substitute would be assigned to patients on a random basis who would have a 50 percent chance of receiving the substitute vs. the current standard of treatment, which is saline solution or salt water. Loyola's protocol will be that blood substitute will be used on alternating days with saline. The st...'Noisy' genes can have big impact
...ce . According to O'Shea, the original notion that random noise in gene expression -- the processes by which...kefeller University demonstrated that this type of random noise existed in the common bacterium E. coli . In later experiments, Raser and O'Shea set out to e......died competition in numerical models that included random fluctuations, i.e. statistical noise. They found that flexible competitors who adjust their adaptation rate could improve their prosperity in noisy systems. The researchers suggest that their model may have important economic implications, potentiall...Maxygen subsidiary Verdia announces discovery and improvement of glyphosate tolerance gene
... traditional technologies to improve genes such as random mutagenesis and rational design," said Linda Castle, Ph.D. "This demonstration of improved glyphosate tolerance should be applicable to many crops. Further, this study validates our ability to create novel commercial opportunities in crop protectio...Super-effective 'jumping gene' created
...e sets the stage for creating mice that lack -- at random -- at least one gene, without having to know in advance which gene is being "knocked-out." Such random knock-outs have been critical in studying genetics of other critters and will help shed light on jum......ality than plants derived from self-pollination or random pollination. To raise hybrid seed, self-pollination and sib-pollination (pollination by a plant of the same hybrid) must be circumvented. One method is hand emasculation of the line used as female parent, which is then naturally cross-pollinated by p...