Everyday Technology Underlies First DNA Computer Logic Gates
...used on possibly building DNA computers to tackle killer problems that traditional computers cannot solve, such as the famous "traveling salesman" problem. The Rochester team is one of the first to seriously consider whether DNA computers might be used for problems now routinely done by electronic comp...First Salmonella Vaccine For Poultry To Be On The Market Soon
... sends antibodies to fight toxins; and specialized killer cells. Most vaccines are injected and trigger only the second and third lines of defense. In a related development, Curtiss also announced at the conference the success of a recombinant vaccine that uses the weakened salmonella vaccine as a...Hunt For Early Heart Attack Genes Begins
...dtreatment for this disease that is single largest killer of American men andwomen," says Jan L. Breslow, M.D., head of The Rockefeller University'sLaboratory of Biochemical Genetics and Metabolism and the immediatepast-president of the American Heart Association (AHA). Nearly 57.5 million Americans...Recombinant Protein Immunizes Mice, Promises New Strategy Against Infection And Cancer
... to find a simpleand practical way to activate the killer cells or CTLs using soluble proteins,but finding a method that works has been a challenge. "We were able to solve this problem by taking advantage of theobservation that a class of proteins, called heat-shock proteins, are exception...USGS Scientists Implicate Exotic Parasite In Wisconsin Lake Bird Deaths
... Leyogonimus polyoon is a common killer of moorhens and coots inEastern Europe, especially the Danube River area. The parasite resides insnails, which are an important food source for moorhens and coots alike. Onceinside a bird's body, the parasite causes intestinal damage and a slow deat...Study Shows: Just Say NO To Bone Loss
...y high concentrations of themolecule can make NO a killer of the very cells that produce it because NO canact as a free radical and destroy cells. Philip Osdoby, Ph.D., professor of biology in Arts and Sciences at WashingtonUniversity, and his team, including his wife Patricia Collin-Osdoby, Ph.D.,added a...Study Links Viruses And Vascular Diseases
...food can contribute toatherosclerosis, the leading killer in the developed world. But is an unhealthylifestyle all it takes to clog arteries? A small but vocal group of researchersbelieves atherosclerosis starts with a virus, not a cheeseburger. According tothe theory, vascular damage caused by a virus coul...Researchers From Rockefeller University Develop Novel Method To Fight Cancer
...s,making the dendritic cells capable of activating killer T cells thatspecifically target influenza antigen....of the paper. "The T cells, in particular the CD8+ killer cells, can thenproceed to kill any other cell that contains tumor or viral antigens. It appearsthat ...Pitt Researchers Develop Strategy To Use Dendritic Cells To Treat And Prevent Tumors
..." antigens they obtain directly fromtumor cells to killer T cells, also called cytotoxic T lymphocytes, and otherimmune cells, that are then capable of recognizing cancer cells and destroyingthem. Pitt researchers tested vaccines comprised of DC's that had been fusedwith tumor cells and DC's that we......clear phagocytes, B and T-cells, mast cells and killer cells. The liberated TNF <font size="3" face="Symbol">a is the major cytokine that induces protective inflammatory reactions against bacteria such as Salmonella and kills tumor cells, but also causes severe tissue damage when pr...Spinal Cord Injury Treatment May Improve With New Findings On Nervous System Damage
...hat neurons squirt onto other neurons,turns into a killer when it floods onto neighboring cells from ruptured neurons. They named this phenomenon 'excitotoxicity' because glutamate canoverexcite receptors on nearby neurons, opening channels that admit lethalamounts of calcium. These receptors are called N...Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable
...r stay in the hospital. The bacteria are alsoa big killer of patients with cystic fibrosis: Nearly allchildren with the disease are infected by Pseudomonas, whichmakes patients' lung mucus much thicker and compounds theirbreathing problems. More so than many bacteria, Pseudomonas can beextraordinarily...Colorado State Research Indicates Two TB Vaccines Show Promise
...tead, the disease has become the leading bacterial killer in the world, causing 10 million new cases and 3 million deaths each year. Since 1992 Orme and his colleagues have not only pursued their own basic research interests, but with support from a grant from the National Institutes of Health have operat...Pollution, Food Stress Take Toll On Bald Eagles
...ill stops to watch wheneverhe sees one. "It's like killer whales; we don't want to see anything happen tothem because of something we've done to the environment that we have the powerto fix." Gill's study was funded by the Canadian Wildlife Service and the BaldEagle Rescue and Research Foundation....... are the first to demonstrate evensmall numbers of killer T cells present in late-stage AIDS patients after ...l armybecause they direct other immune cells, like killer T cells, to attack HIV-1 andother foreign substances. These important immune cells are targeted and...Summer Science: Where Have All The Honeybees Gone? UD 'Bee Guy' Asks Why--From America To The Amazon
...es. Those efforts and otherbee-related topics-from killer bees to honey prices-will be discussed July 13-17d... Caron has been known to visit Bolivia insearch of killer bees. Notorious in tropical climates for their aggressivebehavior, killer bees have so far spread fr...Security Code Helps Immune Cells Attack Foe And Spare Self
...esponse. Theymay kill the microbe directly, help a killer T-cell dispose of a virus-infectedcell or stimulate immune cells that manufacture antibodies. Helper cells use receptors on their surface to read antigenic displays.But instead of getting close enough to get a really good look, T cell recept...Putting Down Your Roots: How Plants Know To Do It
... available The next time you pick up a bag of weed killer from The Home Depot,think about this: a chemical company probably spent years of testing andmillions of dollars to develop an effective herbicide that is harmful to weedsbut safe for you, your children, and your pets. Now a new study of root growthin...Penn Researchers Find Mutation In Prostate Cancer Gene
...ase. Prostate cancer is the second leading cancer killer in men. Thisyear, the American Cancer Society estimates that 184,500 newcases of prostate cancer will be diagnosed and approximately39,000 men will die of this disease in the United States.African-American men are about two times more likely to devel......d aprotein in frog eggs that proved to be a potent killer of cancer cells. Now anew study by a University of Wisconsin-Madison biochemist finds that a "cousin"of that frog protein found in mammals has the same cancer-fighting potential. Biochemist Ron Raines reports in the Sept. 1 Proceedings of the Nationa...