Immunity in social amoeba suggests ancient beginnings
...lleagues describe a new kind of cell they dubbed a sentinel cell. Sentinel cells circulate within the slug, engulfing invading bacteria and sequestering poisons or toxins, eventually eliminating these from the slug. These cells often operate through a particular mechanism in the cells controlled by a Toll/...Sentinel lymph node biopsy is associated with breast cancer rates
...cancers corresponded to greater use of biopsies of sentinel lymph nodesthe primary lymph node to which cancer cells are likely to spread from a tumor. Sentinel lymph node biopsies often detect small numbers of tumor cells that do not necessarily indicate that the cancer has spread. While the use of [sentine...Bacterial response to oxidation studied as toxin barometer
...with the research teams attempts to immobilize the sentinel bacteria as part of a biosensor design strategy. Nancy Love (www.cee.vt.edu/people/love.html) began her work with microbes by finding organisms that could be used to digest waste in wastewater treatment plants. When she noticed that the useful or...Robotic cameras join search for 'Holy Grail of bird-watching'
...hment to creatures of the swamp, hangs a high-tech sentinel patiently waiting to capture video of an elusive bird once thought to be extinct. Developed by researchers from the University of California, Berkeley, and Texas A&M University, the high-resolution intelligent robotic video system installed in the ...BioMed Central announces winners of first open access research awards
...irus in south India reveals major differences from sentinel surveillance-based estimates." The research, which first appeared in the journal BMC Medicine, finds that official government figures may over-estimate the number of HIV-positive people in India. Dr. Dandona's major area of professional interest is...Improved imaging for identifying breast cancer in overweight women
RESTON, Va.Increasing the ability to identify sentinel nodesthe very first lymph nodes that trap cancer c...earchers found that using SPECT/CT imaging aids in sentinel node identificationespecially for overweight or obese women, according to a report in the February i...Genesearch Breast Lymph Node assay detects breast cancer metastases with greater sensitivity
...evaluable patients across 11 clinical trial sites, sentinel lymph nodes were tested using the GeneSearch BLN A...ead. If there is no evidence of metastases in the sentinel node, it is unlikely that the cancer has spread to other nodes, and there may be no need for further...Researchers find two biomarkers with potential to predict breast cancer spread
...y in the accurate assessment of micrometastasis in sentinel lymph nodes, according to Hoon. He said recent st...e results. Furthermore, microdisease seen in the sentinel lymph node doesnt always predict that a patient will go on to develop metastatic breast cancer, said...Asian Soybean Rust found in Virginia, but not a threat to current crop
...ercial soybean field in Chesapeake, Va.., and in a sentinel plot Suffolk, Va., on October 14. "Fortunately for our soybean producers in Virginia, this year's crop is out of danger," said David Holshouser, associate professor and Extension soybean specialist. "Once soybean seeds reach their full size in the...Avian flu detection information on wild birds available
...ategies are: (4) surveillance of domestic birds as sentinel species; and (5) environmental sampling of water and wild bird droppings. ...University of California, San Diego-led team discovers how we detect sour taste
...otein that detects sour tastes also functions as a sentinel of pH in the central nervous system." To discover the sour taste receptor, the researchers first turned to bioinformatics. According to Angela Huang, a graduate student working with Zuker and the lead author of the Nature paper, they started with ...Sentinel lymph node biopsy associated with better quality of life in breast cancer patients
Biopsy of the sentinel lymph node, the first lymph node to which fluid fr...east cancer using a less invasive technique called sentinel lymph node biopsy, where the first lymph node to which fluid from a primary breast tumor drains, is ...Better model of deadly brain cancer
...e experiments with the elimination of a gene for a sentinel protein called p53, which triggers the death of malfunctioning cells. With both p53 and XRCC4 missing, neurons survive and the mice live into early adulthood, but then die of lymphomas caused by translocations of antibody genes. The researchers n...Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2006
... wallira@ornl.gov ] BIOSENSORS -- Advanced water sentinel . . . Naturally occurring photosynthetic microorganisms are the focus of an invention to rapidly detect contamination of water supplies. The patent, awarded recently to a team led by Eli Greenbaum of Oak Ridge National Laboratory, advances previous...New nano-canary in the nanotoxicology coalmine: The body itself
...s, live cell FTIR spectroscopy is expected to be a sentinel of exposure to help identify the physico-chemico properties of nanoparticles that mediate biological activity, without bias of what that biological activity represents. The PNNL scientists are also developing infrared transparent chemistries that a...3,317 and counting (the number of marine species in the Gulf of Maine)
...te conditions, it and its creatures may serve as a sentinel for climate change. And, by providing a more complete picture of the marine web of life, it is another step toward managing the Gulf of Maine as an ecosystem one of the primary goals of fisheries laws in the U.S. and Canada and of recent ocean commi...Frog peptides block HIV in lab study
.... When it is picked up at the mucosal surface by a sentinel dendritic cell, it somehow evades destruction. Instead, it hides inside the cell, waiting to invade the T cell with a Trojan Horse-like mechanism. The ability of HIV to remain hidden in the dendritic cell, avoiding destruction by circulating antibodi...New protein vital for immune response is found in surprise location
...ia may have acquired new functions by serving as a sentinel to detect invading pathogens and other stressful signals, ensuring that the host cells survive and thrive even in adverse environments. Dr. Chen and his research group are currently working to determine how the MAVS protein functions within the compl...Virginia Tech experts available to speak on the possible discovery of Asian Soybean Rust spores
...Asian Soybean Rust when they examined the adjacent sentinel plots and other nearby fields. At this time, no recommendation for fungicide is warranted in Virginia. It is highly unlikely that Asian Soybean Rust will be detected in any soybeans in Virginia for at least three weeks." The presence of spores does n...Animals warn of human health hazards in new 'Canary Database'
...e public health system has been slow to use animal sentinel data to detect and reduce human environmental heal...l Health Hazards, a web-based collection of animal sentinel studies that have been collected and curated in terms of their relevance to human health. The projec...