Symposium on scientific misconduct
...media, have become a topic of debate even by those outside the research community. Discussion has focussed not only on considerations about causes and motives, but also on the question as to how universities and other research organisations deal with scientific misconduct and how effective the processes of i...Study unearths cliques in the food web
...t morefrequently with each other than with species outside of their group. It's a dynamic that's crucial to understanding the food web - theinteraction of multiple food chains. This understanding will helpnatural resource managers make better management decisions that affectfood webs. "This fascinating brea...UT Southwestern researchers learn importance of insulin family signaling in male sex determination
...cies," she said. "Sry, for example, does not exist outside of mammals. There are testis-specific proteins that are common between species, but the timing of their expression suggests that they perform slightly different functions in different species. Since insulin family members are present in both vertebra...Smallpox in Europe selected for genetic mutation that confers resistance to HIV infection
...ptor in infection. The bacteria actually reproduce outside immune cells. Smallpox, on the other hand, is a virus based on RNA, just like HIV, she said. And there is some evidence that smallpox, Variola major, uses chemokine receptors like CCR5 to enter cells. The researchers said the geographic distribution ...Moderate alcohol consumption after meals can decrease levels of insulin
...o gain entry into most of the body's cells located outside of the brain. A lack of insulin can effectively cause some cells to "starve," leading to serious health consequences such as diabetes. "We know that drinking alcohol can affect the body's production of insulin," said Kokavec. "However, researchers ...Study predicts loss of monarch winter refuges
...esult in more frequent storms, pushing the climate outside the range of conditions necessary for monarchs to live. "The conditions that monarchs need to survive the winter are not predicted to exist anywhere near the present overwintering sites," said Oberhauser. "The temperatures won't change much, but ...Scientists work to break cellular code
...ether in the cell in response to triggers from the outside world. "There is a code we need to understand to determine what happens to a cell under many different conditions, and ultimately to make predictions of how an entire genome is regulated," explains Julia Zeitlinger, a postdoctoral associate at White...DuPont to locate Asia Pacific R&D center in Shanghai
...ll be the third major research facility for DuPont outside the United States; others are in Switzerland and Japan. The Shanghai center will accommodate up to 200 scientists and will include laboratories, offices and high-ceiling process bays for product applications and developments. DuPont, Chinese, and Sh...Plans finalised for satellites to help safeguard gorilla habitats
...re living within a park who claim they are in fact outside it. Accurate maps will significantly assist the authorities in discussing the boundaries with local communities to settle current disputes." Agreement was also reached on what kind of vegetation classes will be derived from a ten-year satellite arc...Study explores safety of low-dose radiation
...rchers are exposing zebrafish embryos - which grow outside the mother and have developed, functioning organs within three days - to levels of radiation that mimic what humans routinely receive. A high-powered microscope enables them to look inside a live embryo and, as an example, mark specific brain cells w...Ethical guidelines needed before 'nutrigenomic' groceries come to market
...enetic tests may become increasingly attractive to outside parties who stand to gain from it," the paper says. "There is a concern that employers or insurers could use genetic information to the unfair disadvantage of some people. Two-thirds of respondents in a 1997 survey said they would not undergo geneti...NIH establishes Rare Diseases Clinical Research Network
...patient support groups and institutions within and outside of the United States that have agreed to work together studying a group of rare diseases. In addition to fostering collaborative research, the RDCRCs will train new investigators for the represented rare diseases and provide content for a public Web ...Zadaxin in triple therapy shows 61% response for hepatitis C non-responders
... is marketed in China and selected other countries outside the U.S. SciClone estimates that over 10,000 patients have used ZADAXIN in both clinical and commercial use, alone and in combination with anti-viral and anticancer drugs, without any reported significant ZADAXIN-specific side effects or toxicities....Eastern Europe urged to prepare now for growing threat of HIV resistance
...ell once it has been infected, FUZEON works on the outside actively blocking the fusion of the virus with cells of the human immune system (CD4 cells). Because of this very different mechanism of action, FUZEON is active against HIV strains that have become resistant to current therapies. FUZEON reduces HIV...FDA approves Raptiva (efalizumab) for chronic moderate-to-severe plaque psoriasis
...States. Serono S.A., Genentech's marketing partner outside the United States and Japan, announced earlier in the year that it had submitted a Marketing Authorization Application (MAA) to the European Agency for the Evaluation of Medicinal Products (EMEA) for European Union Approval of RAPTIVA in psoriasis. S...White House awards National Medal of Science to Rockefeller University's James Darnell
...very of a pathway by which "molecular cues" on the outside surface of a cell signal the genes in that cell's nucleus to take specific actions. "These signals are sent in reaction to changes in the cell's external environment in the body," explains Nurse, a Nobel laureate. "As a result of the signals, the ge...Stowers Institute researchers identify stem cell niche
...ls. Normally these cells cannot function properly outside their exclusive niche. According to Stowers Institute Assistant Investigator Linheng Li, Ph.D., who led the study, the niche not only provides a home for the HSCs but also regulates their numbers. Gaining greater understanding of the stem cell's ni...Building a better atlas of yeast proteins
...erial and the cytoplasm is the fluid-filled region outside the nucleus. "But for other proteins, we saw a punctate pattern that only told us that the protein was concentrated in a specific place." To pinpoint the locations of these proteins more specifically, the researchers introduced genes for red fluores...Roderick MacKinnon wins 2003 Nobel Prize in Chemistry
...h the electrical difference between the inside and outside of the cells after excitation. Without potassium and sodium channels, neurons could not generate electrical signals and hearts could not beat rhythmically. HHMI researchers Yuh Nung Jan and Lily Jan of the University of California, San Francisco were...Close interaction seen between blood vessel development and fat tissue formation
... organized networks, something that rarely happens outside of natural growth conditions. "We've been trying to grow organized, mature blood vessel networks for more than 25 years," says Jain, "and this is the first time I've seen that happen under experimental conditions." To block fat-cell differentiation...