Neuronal activity gives clues to working memory
...common goldfish. "It's really quite difficult to test the function of individual brain cells in primates and higher animals during behavior, but the goldfish's memory centers are much more accessible to research," Dr. Aksay explains. "We looked specifically at the fishes' oculomotor system -- the neural...Research team identifies new Alzheimer's gene
...al Health Company, will enable Kronos to develop a test that aids in clinical diagnosis and help determine... development process for creating a new diagnostic test that is capable of detecting the presence of GAB2, and may ultimately help millions of individuals r...Reprogrammed fibroblasts identical to embryonic stem cells
...t only works in about one out of 1,000 cells. To test for reprogramming, the team decided to zero in on Oct4 and another transcription factor called Nanog. These two hallmarks for embryonic stem cell identity are only active in fully pluripotent cells. The trick would be to figure out a way to harvest O...New screening method to help find better biofuel crops
...hanol. If successful, a simplified version of the test could even be used in the field to determine if pl...tage for harvest. Just like vintners monitor and test the sugar content of their grapes in the field, biofuel producers could potentially use this technol...Simulations unravel outer membrane transport mechanism
...esearchers ran simulations of various scenarios to test which hypotheses were most feasible. Their work relied on detailed crystallographic studies of the molecules provided by University of Virginia researcher Michael C. Wiener. The good thing about simulations is that you can monitor the position of e...American Chemical Society's Weekly PressPac -- May 30, 2007
...ch by up to 19.7 percent. The next step will be to test these materials in human trials. ARTICLE #3 FOR IMMEDIATE RELEASE"Starch with a Slow Digestion Property Produced by Altering Its Chain Length, Branch Density, and Crystalline Structure" DOWNLOAD PDF http://pubs.acs.org/cgi-bin/sample.cgi/jafcau/a...What causes Alzheimer's? Researchers tie beta-amyloids to brain dysfunction
...ans do have mildbut significantreduction in memory test scores, and this is related to the amount of amyloid present," explained Rowe. He said that "excess" beta-amyloid is likely related to the fundamental cause of Alzheimer's disease, probably preceding cognitive decline by up to 10 years. Besides provi...PET/CT should be 'first-step' test for patients with Crohn's disease
...rodeoxyglucose or FDGcould be used as a first-step test in patients with clinical or biological signs suggesting active disease," he noted. "PET/CT can answer the major question: What is the activity of the disease"" explained Hustinx. Crohn's disease, an inflammatory bowel disease (IBD) that can affect...PET/CT: The best test for women with ovarian cancer
...computed tomography (CT) imaging "is a much better test for patients with suspected recurrent ovarian cancer and is the preferred imaging technique," said Michael J Fulham, professor and clinical director of Medical Imaging at Sydney South West Area Health Service and head of the Department of PET and Nuc...Stanford researchers find stem cells in colorectal tumors
...immune and molecular diagnostics and therapeutics, test them in mice that carry the cancer stem cells and, hopefully, in a few years begin to test them in our patients," Weissman said. The colorectal cancer stem cells highlight the importance of......y or global climate change. Models must be used to test theories and generate new insights into how the system works as a whole. And while technologies such as functional MRI allow scientists to measure some kinds of neural connectivity, neuroinformatics approaches, which use extensive anatomical and p...CSIRO scientists join fight to save 'Tassie devil'
...acial Tumour Disease (DFTD) and possibly develop a test to identify infected animals. DFTD is infectiou...work together to develop a pre-clinical diagnostic test based on recent developments in the diagnosis of human breast cancer, Dr Church said. Such a test wo...Genomic signatures identify targeted therapies for lung cancer
...have caused that cancer, Potti said. The genomic test can theoretically apply to any cancer, but the Duke team focused on lung cancer because the survival rate is just 15 percent. Lung cancer now kills more Americans each year than breast, prostate and colorectal cancers combined. The tests work by sc...JCI table of contents -- June 1, 2007
...e investigators sought to develop a mouse model to test whether dietary supplementation of sialic acid or its precursor, uridine diphospho-N-acetylmannosamine (ManNAc), could reverse the defect. In mice, the Gne/Mnk gene encodes ManNAc kinase (GNE/MNK), a key enzyme in sialic acid biosynthesis. In the c...Blood test may help signal tumor's remission, return in throat cancer patients
A blood test that detects proteins commonly released by a growi...ings could help lead to the development of a blood test that enables doctors to detect the recurrence of throat cancer early on, when there is still time to...Cold Spring Harbor Protocols features methods to understand embryos, clones, stem cells
...nesis. The slices allow scientists to observe and test morphological and molecular changes that occur in a normally opaque embryo, and to see whats happening several layers deep into the embryo. The protocol is freely available at http://www.cshprotocols.org/cgi/content/full/2007/12/pdb.prot4749 ....Research identifies protein that signals flowering in squash plants
...yellow mosaic virus (ZYMV) as a delivery vector to test whether long-distance movement of FT mRNA and/or FT protein was required for floral induction. The choice of a potyvirus vector was important as these plant viruses do not produce sub-genomic RNA species, whose presence could lead to confounding resu...Common cancer gene sends death order to tiny killer
...her promote cancer or to stop cancer spread." To test their idea, the team first chemically damaged the DNA of two sets of colon cancer cells, one missing p53 and the other containing healthy p53. They then looked for any of the 500 known human microRNAs that are activated only in cells containing p53. ...Lessons from the orangutans: Upright walking may have begun in the trees
... she and her colleagues used these observations to test the hypothesis that bipedalism would have benefited tree-dwelling ape ancestors. Because these ancestors were probably fruit-eaters, as orangutans are, they would have needed a way to navigate the thin, flexible branches at the tree's periphery, wh...The quick, inexpensive test kits used by homeowners nationwide to detect lead-...ed. LeadCheck Swabs were originally developed to test for lead in paint, Korfmacher said, but more recently they have been promoted for dust, and include ...