Bone marrow cells take on new role in the brain, say Stanford researchers
...e with damaged cells while in other instances they transform to replace the cells. She said the next steps are to learn which cells in the bone marrow act as the repair squad, how these cells are lured to tissues and how they repair damage once they get there. "If we can learn what the signals are, we may be a...Oxygen key switch in transforming adult stem cells from fat into cartilage
...g oxygen levels inspires the cells to more readily transform into chondrocytes. Without the growth factors, he said, changing oxygen levels has no effect on the cells. "For us, the ultimate goal is the development of a bioreactor where we can very carefully control the physical and chemical environment of thes...Stream erosion may contribute to decline of American eels
...o the elvers that migrate up streams and rivers to transform first into yellow eels, then into the mature silver eels that migrate back to the Sargasso Sea to spawn and die. Because it actually spends most of its lifespan in streams, the American eel is considered a freshwater fish. Since the mid-1970s, numbe...Separated before birth: Molecular signals part fetal blood and lymphatic vessels
... in hematopoiesis the process by which stem cells transform into red and white blood cells. To better understand the function of these signals, several groups created animal models that lacked SLP-76 or Syk in order to see what happens in their absence. Researchers in Koretzky's laboratory found that most ani...TSRI professor named industry pioneer in one of the top ten technologies that will change future
...ld to find new areas of technology that promise to transform industries such as computing, medicine, manufacturing, transportation, and energy. For each technology, Technology Review has profiled one researcher or research team whose work exemplifies the field's possibilities. The field Paulson represents, "g...U.S.-German research consortium sequences genome of versatile soil microbe
...olic pathways in P. putida KT2440 that allow it to transform aromatic compounds, including phenylalkanoates, ferulate, vanillate, and coniferyl- and coumaryl alcohols, aldehydes and acids. TIGR Assistant Investigator Ian Paulsen, who explored the correlation of metabolic pathways with membrane transport capabi...USC scientists uncover secrets of feather formation
...million years for Nature to refine the process, to transform a scale into a flight machine. There were many, many intermediate stages. "While Darwin's theory has explained the 'why' of evolution, much of the 'how' remains to be learned," Chuong adds. "Evo-Devo research promises a new level of understanding." ...Transforming brain research with jellyfish genes and advances in microscopy
...my and neurobiology. "I believe these methods will transform not only neurobiology, but also immunology and studies of organs such as the kidney, liver, and lung." Lichtman presented the work at the 40th annual New Horizons in Science Briefing, sponsored by the Council for the Advancement of Science Writing, ...New map shows human 'footprint' covers most of the Earth
...ith human infrastructure are least; and we need to transform the human footprint, so nature can still be nurtured everywhere, including in more heavily influenced areas. We can do both and nature is often resilient, if given half a chance," said Sanderson. This study also vividly illustrates the application o...Sandia pursues biotechnology as new technology focus area
...gy Council was created to lead Sandia's efforts to transform the Labs into the biotechnical laboratory of choic...hasis on biotech at Sandia, don't expect Sandia to transform its science and technology base in any wholesale way. Biotechnology investment is about 5 percent of...Alzheimer's, nutrition, smallpox, and other 'Human Health Frontiers' addressed by AAAS speakers
...f mental illness and substance abuse, and begun to transform public perceptions of those diseases. "We have begun to understand mental phenomena in many different ways," said Alan I. Leshner, CEO of AAAS and former director of the National Institute for Drug Abuse. Using visual images and graphs, Leshner demo...Database lets researchers worldwide access genome of malarial parasite
...s soon as possible and to equip them with tools to transform this data into a useful form." The Web-based database builds upon sequencing efforts conducted by researchers at the Institute for Genomic Research in Rockville, Md., Stanford University and Britain's Sanger Institute. "Malaria biologists are a more...Loblolly pine open for genetic engineering, research shows
...lus method, is a quicker and more universal way to transform plants because plant regeneration is simplified. In addition, the callus method does not work for many types of plants. Loblolly pines dominate about 29 million acres in the southern United States, according to the U.S. Forest Service. The species ...Mass spectrometer weighs in as proteomics breakthrough
...phere; Shewanella oneidensis MR1, which is able to transform certain pollutant metals and radionuclides into stable or harmless forms; and Deinococcus radiodurans, which is well-known for its ability to survive doses of radiation lethal to humans. "We want to learn from these microorganisms in hopes of leverag...New Insight into cervical cancer development: turning it up a notch
...genesis, other genetic changes are needed to fully transform a normal cervical cell into a malignant one. Dr. Dotto and colleagues have identified one such change. Dr. Dotto and colleagues have discovered that the down-regulation of a cell signaling molecule, called Notch1, in HPV-infected cervical cells allow...Convergent technologies: Is your company ready for the future?
... of convergent technology. Convergence promises to transform existing technologies into lucrative commercial endeavors and many companies are investing heavily in research and development (R&D). Technical Insights' Inside R&D subscription service examines the National Science Foundation's view on converging te...Ras gene causes cancer via different pathways in humans vs. mice
...s to play a critical role in the ability of Ras to transform human cells, but not mouse cells, to become tumori...te a different protein pathway, called RalGEFs, to transform normal cells into cancer. Little is known about RalGEFs, possibly because they have never been co...Protein transforms sedentary muscles into exercised muscles, researchers report
...a second protein found in skeletal muscle that can transform sedentary muscles into energy-producing, exercised muscles. Researchers from UT Southwestern Medical Center at Dallas and Harvard Medical School reported in a study in today's issue of Nature that when the protein PGC-1Q is genetically introduced in ...Stem cells found in adult peripheral nervous system
...in "hot spot" research areas with the potential to transform existing industries and create new ones....New method of DNA testing promises to transform medical diagnostics
...iences a new method for detecting DNA, which could transform medical diagnostics. Currently, tests for the presence of DNA--to identify, for instance, the presence of a bacterium such as anthrax, or a virus, or a specific gene--require that the DNA be amplified or grown. The UCSB researchers combine the use ...