New systems biology center positions UT Southwestern in vanguard of scientific research
...en pass into the brain where they are interpreted, resulting in vision. Proteins within these cells are responsible for that conversion of light into electrical signals. Researchers have identified 50 to 100 proteins in these cells, all working together to carry out this function. "Scientists have spent the pa...Exposure to low-level magnetic fields causes DNA damage in rat brain cells, researchers find
...ood of a mistake being made in the repair process, resulting in a mutation that could lead to such diseases as cancer. Some types of DNA damage are more worrisome than others. A break on one side of DNA's ladder-like double helix is relatively easy to fix. Repairs are much harder if both sides of the hel...HIV exhausts the immune system through chronic non-specific activation
...n of many of the remaining functional T-cells. The resulting premature aging and exhaustion of the immune system increase the likelihood of opportunistic infection. HIV targets white blood cells with surface receptors called CD4. These CD4, or helper, T-cells normally orchestrate the body's immune response. In...JCI table of contents, 16 February 2004
... VEGF, into the muscles of mice and documented the resulting new vessel growth. Blau and colleagues were able t...ressed in the gut and liver, and drives a reaction resulting in cysteamine thought to be a key factor in several metabolic pathways. To explore the physiologica...Models help estimate children's exposure to toxins
...veloped a model to quantify exposure to pesticides resulting from hand-to-surface and hand-to-mouth contacts among a group of videotaped children. Zartarian's real innovation, inspired by her work with Leckie, was to take a ''microlevel,'' or second-by-second, look at the children's activity. It's an innovatio...New study may explain how fats damage neurons in Alzheimer's patients
... E reduced the levels of ceramide and cholesterol, resulting in "a significant decrease in the number of neurons killed by the beta amyloid and oxidative stress. In addition, a small molecule inhibitor of ceramide production had the same effect. Mattson noted that he and his colleagues are currently using a m...Mice cloned from olfactory cells
... the full range of olfactory receptors.Indeed, the resulting mice exhibited an array of well-organized odorant ...gs were introduced into surrogate mother mice, the resulting offspring proved viable and fertile. Furthermore, they exhibited the normal pattern of odorant-recep...Rutgers researcher offers a new perspective on human evolution
...ships between particular genetic changes and their resulting effects on the body plan," said Chiu, an assistant...lution of these sequences, their functions and the resulting anatomical differences," said Chiu. Chiu counseled her listeners to look to the mouse for answers, a...Symposium examines the growing influence of aerosols on climate
...o the long life of some greenhouse gases and their resulting long-term global influences. In addition to climate and atmospheric science, aerosols and their effects are garnering the attention of those concerned with issues of regional pollution, transborder environmental policies, and human health concerns. ...Risk and food are on the same plate: World food safety experts offer new methods to assess risk
...ematical picture about risk for contamination. The resulting models can predict the number of illnesses that can occur, and how managers can change parameters and thus food safety strategies to control the risk. The concept is relatively new for the food industry so it's imperative that the global community...Carnegie Mellon scientist says new technologies boost bio-terrorism surveillance
...on Portability and Accountability Act (HIPAA). The resulting data can be shared freely and remain useful for bio-terrorism surveillance. "Dr. Latanya Sweeney and the Data Privacy Lab are an invaluable resource for state and local governments struggling to keep up with the requirements of the HIPAA as well as ...Local, regional governments could take lead in curbing global air pollution
... because it is most directly affected by acid rain resulting from Chinese pollution. The other nations also are affected, but in Canada and the United States the effects often are confined to smaller regions, mostly along the West Coast. "Many of the same activities that produce global climate change also cau...USAMRIID scientist Peter B. Jahrling elected fellow by AAAS
...t basic and applied research on biological threats resulting in medical solutions (such as vaccines, drugs and diagnostics) to protect the warfighter. USAMRIID is a subordinate laboratory of the U.S. Army Medical Research and Materiel Command....Out-of-balance ecosystems play role in demise of amphibian populations
...and they may have additive or synergistic effects, resulting in increased parasite infections and associated impacts on amphibians," he added. "Re-establishing the structural and biological diversity of amphibian habitats is clearly worth a closer look."...Human embryonic stem cells may promise medical advances
...then able to collect embryonic stem cells from the resulting cell mass inside the cloned blastocysts. In theory...e human embryonic stem cell line was obtained. The resulting stem cells differentiated into all three of the main tissue types that appear at the beginning stage...Money talks: Concern for biodiversity pressed on boardrooms by new breed of fund managers
...the potential of public concern about biodiversity resulting in restrictions to land," says ten Kate. "Growing resource scarcity, increasing development pressures on biodiversity and escalating public concern pose a strategic threat to extractive and utility industries. These companies may be denied access to...... there is evidence that changes in sea ice habitat resulting from climate change may alter polar bear condition, productivity and survival of young. To learn more, visit: http://www.absc.usgs.gov/research/programs/mammals.htm#polar . For more information, call Geoff York at 907-786-3928 or email at: geoff_...New evidence points to pollution as main cause of much coral reef destruction
...n concentrations increase, likely due in part to a resulting change in flavor. "To my knowledge, this is the first time anyone has ever shown that with increased nutrients, you get increased grazing in coral reef environments," says Lapointe, "That finding kind of turns the whole field over." Lapointe says th......lood samples. Q5 learns with each sample it tests, resulting in better accuracy. The algorithm compares the molecular fingerprint of each sample to identify features that differ between the healthy and disease states. "Our algorithm detected ovarian cancer with virtually 100% accuracy and prostate cancer with......t a person can plant a protected variety, sell the resulting seed and wheat heads pulled from the subsequent crop can be traced to the original parent crop. "You can tell them it's against the law," said Vinson, "and they'll say ?Why, I bought that seed. That's my seed and I'll do what I want with it.' "But th...