Study methods, strains of Pfiesteria are both critical in determining organism's toxicity
...ast in the 1990s, researchers need to both use the proper study methods and recognize that certain populations of the organism, called strains, are toxic while others are not. That's the main result of a wide-ranging study by Dr. JoAnn M. Burkholder, professor and director of the Center for Applied Aquatic ...Missing micronutrients - How best to nourish a child?
... how to get nutrients into people and do it in the proper context," he said. There is a link between good nutrition and how well children develop, both in mind and body, according to Demment. Their school performance, in turn, can have a strong influence on the growth of their nation's economy. Sound nutrit...Scientists urge outcome-based, watershedwide approach to restore the Chesapeake
...reet corners that are miles and miles from the Bay proper have huge impacts on Bay health," according to ecologist Margaret Palmer from the University of Maryland, College Park. "Restoration of the Bay will not occur unless we stem the loss of headwater streams and freshwater wetlands and restore non-tida...Learning to fight an adversary that won't stay down
...that we can put the role of these organisms in the proper evolutionary perspective. This subject, and antibiotic resistance in particular, has fascinated Davies since he began postdoctoral work on antibiotics and resistance mechanisms at Harvard Medical School in the early 1960s. "The microbes are evolving ...Perchlorate found in dairy and breast milk samples from across the country
...unction in nursing womenan essential component for proper neural development of the fetus. Although the data are limited, the levels of iodide in this study are sufficiently low to be of concern, according to the researchers. They suggest that the recommended daily intake of iodine for pregnant and nursing ...UT Southwestern researchers see hope for treating blindness in preemies
...oo low. While appropriate hypoxia is required for proper development in many cases, inappropriate or prolon...ntrol multiple essential genes may be required for proper eye development," he said. "Furthermore, there may be additional, and as of yet unidentified, HIF-2...Neuronal 'traffic jam' marks early Alzheimer's disease
..." within neurons that causes swelling and prevents proper transport of proteins and structures in the cells, according to new studies by Howard Hughes Medical Institute researchers. In mouse models of Alzheimer's disease and in human brain samples from people with the disease, researchers observed a charac...ASBMB Schering-Plough Award lecture to focus on histone modifications in transcription
...s found that this association is necessary for the proper functioning of Rad6 and hence the production of the mRNA transcript. Dr. Strahl will also discuss some of his research on another histone modification, methylation, or the addition of a methyl group. He has been studying the biochemical and cellular...JCI table of contents March 1, 2005
... demonstration that GABA A receptors help maintain proper motor function and provides evidence for the etiology of essential tremor involving loss of GABA A receptor alpha1 subunits. Alcohol withdrawal tremor is also associated with decreased expression of GABAA receptor alpha1 subunits. TITLE: Genetic ess...Researchers discover a good side to cholesterol in controlling cell signals
... communication inside the cell and is dependent on proper levels of cholesterol. While studying how cholesterol moves to the membrane to get to lipid domains, Dr. Anderson, who holds the Cecil H. Green Distinguished Chair in Cellular and Molecular Biology, and colleagues found that cholesterol can work ou...JCI table of contents April 1, 2005
...is required for both normal glucose regulation and proper insulin secretion in response to glucose stimulation. They show that HNF-4alpha regulates a subunit of a potassium channel that is involved in glucose-stimulated insulin secretion. These data provide a molecular explanation for the defect in insulin...UCSD medical/bioengineering reseachers show titanium debris satobtage artificial joints
...roscopic studies revealed osteoblasts did not form proper adhesions, with small- and medium-sized titanium particles concentrated inside cells. Increased production of the protein RANKL by osteoblasts recruited and activated osteoclasts at the insertion sites, further weakening the bone. Larger titanium par...Scientists discover that three overlapping signals in embryo help get the backbone right
... don't know what they'll become until they get the proper signal. This concept is at the root of today's excitement over embryonic stem cells, which are basically nave cells that, theoretically, can be stimulated to become any tissue of the body. In fact, the proteins normally used by the embryo have recen...Gene variant increases risk of age-related macular degeneration
..., M.D., of the Duke University Eye Center. Without proper retinal function, images cannot be captured and sent to the brain. The macula is critical for fine, detailed vision. In patients with severe AMD, progressive blurring and loss of central vision due to damage of the macula may leave people unable to p...White blood cell 'waste disposal' system plays critical regulatory role
...Although the specific mechanisms that regulate the proper ratios of neutrophil production and destruction are not well understood, it is known that the immune signaling molecules IL-17 and G-CSF stimulate neutrophil production. In addition, a newly discovered molecule called IL-23 that is produced by phag...NJIT Presidential Award winner takes stem cell research another step
...ir magic: Under the right conditions, or given the proper signals, they have the ability to turn into different cell types. Arinzeh is doing exactly that: developing signals, in the form of biomaterials, that will help adult stem cells turn into cells that, if injected into a diseased area of the human bod...Fish oil holds promise in Alzheimer's fight
...al for human health. DHA in particular is vital to proper brain function, as well as eye health and other body processes. In recent years epidemiologists have tied fish-rich diets to a lower incidence of Alzheimer's disease and homed in on DHA as the preventive factor. Omega-3 fatty acid supplements are no...Pair of cancer genes found to drive both cell migration and division
...known to control cell movement are also needed for proper cell division. They report their findings in the April issue of Developmental Cell. The researchers discovered that the two genes are required for a dividing cell's halves to separate, raising the possibility that interfering with them could be hel...PNAS highlights for the week of April 4 - 8
...he developing brain and imply that disturbances in proper serotonin levels may lead to long-lasting functional and behavioral abnormalities. --- RNA Interference for Treating Huntington's Disease Mice with Huntington's disease reportedly respond well to treatment with RNA interference (RNAi), which select...Remote control flies?: Fly behavior controlled by laser light
...jump-starting the nerve cell's activity before the proper moment, Lima and Miesenbck caged the ATP with other chemical compounds that could be removed by the laser light. Miesenbck says one of the most difficult parts of the experiment was deciding which particular nerve cells to target with the remote cont...