Vaccine provides 100 percent protection against avian flu virus in animal study
...s will help us paint the picture of how that world works and provide important details on the players involved and their biological properties and activities." DeLong and his coworkers report their findings in the Jan. 27 issue of the journal Science. The interdisciplinary research team sequenced a total...Mouse study reveals human X-SCID gene therapy poses substantial cancer risk
...urface of immature blood cells in the bone marrow, works with other proteins to direct the growth and maturation of a number of different immune system cells, including T cells, B cells, and natural killer cells. These immune system cells that kill invading viruses and bacteria, produce antibodies as well ...Satellites show Amazon parks, indigenous reserves stop forest clearing
...nal peoples' lands and natural areas in the Amazon works to stop deforestation. The idea that many parks in the tropics only exist 'on paper' must be re-examined as must the notion that indigenous reserves are less effective than parks in protecting nature." While previous studies had queried park...Pleasing plant shapes explained by new computer model
...l is exciting because it proposes a mechanism that works and can be used to try and prove some of the biological theories about the growth process." Smith and Prusinkiewicz worked with the botanists in Switzerland to create a three-dimensional simulation of plant growth at the microscopic scale, simulatin...Marine mammals are on the frontline of failing ocean health
... these contaminants in their tissues. Todd O'Hara works with a research team to study the ecological, bioc...an MD with Alaska Native Tribal Health Consortium, works in northern ocean ecosystems, where climate change is having a marked effect. "Alaska is a laborato...Infections could contribute to adult brain tumours
...nd geographical locations. Dr McNally, who also works with Newcastle University's School of Population and Health Sciences, added: "Future research should try to identify specific infections which could potentially be a trigger. If these are found, it could lead to future preventative measures." Profe...Next good dinosaur news likely to come from small packages
...track down these building blocks of bone. Ostrom works in a budding area known as paleoproteomics. Like conventional paleontologists, the search is to reveal the history of life on Earth. But tacking on proteomics means scrutinizing life at a molecular level ?life that existed thousands of years ago. Os...Nano machine switches between biological and silicon worlds
...r more successful than expected. The team's switch works with a number of DNA-based motors and can achieve ...rt mechanical action into an electrical signal. It works both ways. "The light switch, the button that makes a retractable pen, all these are actuators, an...Anthrax inhibitor counteracts toxin, may lead to new therapeutics
...nline edition of the journal Nature Biotechnology, works by preventing the assembly of toxic enzyme compone...y at the University of Toronto. "Furthermore, Lego works because the pattern of studs on one brick matches the pattern of holes on another." Earlier work by...Newly discovered protein kills anthrax bacteria by exploding their cell walls
...ot useful in many environmental conditions. "PlyPH works in an extremely wide pH range, from as low as four to as high as eight," says Fischetti. "I don't know of any other lytic enzyme that has such a broad range of activity." In addition, PlyPH, like PlyG, is highly specific in terms of the types of bac...'Nano-keys' bind cell receptors and trigger allergic reactions
...e manipulated experimentally. Specifically, Baird works with immunoglobulin E (IgE) antibodies, which mount membrane proteins on mast cells to form receptor complexes that sense the environment and sensitize the cell to allergens, which are substances that cause an allergic reaction. Typically, two or mor...When mice choose mates, experience counts
...mice," says Pfaff. "Of course, we don't know if it works the same way in humans. But many have speculated that social influences do play a role in how we choose our friends and partners." ...Gene therapy 'turns off' mutation linked to Parkinson's disease
...s of the disease. If the RNA interference approach works in the mouse, a gene therapy based on silencing the _alpha-synuclein gene will be developed for clinical trials for Parkinson's patients. ...Aggression-related gene weakens brain's impulse control circuits
...enberg and colleagues set out to discover how this works at the level of brain circuitry. Using structural MRI in 97 subjects, they found that those with L showed reductions in gray matter (neurons and their connections) of about 8 percent in brain structures of a mood-regulating circuit (cingulate corte...New compound protects against liver cancer
...n animals and humans. Researchers believe CDDO-Im works by activating Nrf2, a master switch known to direct certain enzymes to stimulate the cell's defense mechanisms and remove harmful chemicals from cells. "Activation of the Nrf2 pathway with CDDO-Im could provide protection against a number of diseases...Animal brains 'hard-wired' to recognize predator's foot movements, Queen's study suggests
..."Research on newly hatched chicks suggests that it works from very early on in an animal's development," says Dr. Troje. "It seems like their brains are 'hard wired' for this type of recognition." One impetus for starting this research several years ago was a question by his young daughter, who asked hi...Scientists reveal how deadly toxin hijacks cells
...uthor Felix Yeh, a UW-Madison graduate student who works with Chapman, says that researchers have so far found three of the seven protein receptors that allow the different types of botulinum toxins into cells. "One goal at the Chapman laboratory is to identify the remaining receptors," Yeh says. Other p...UF researchers develop ways to keep the bloom on the rose
...se of their popularity and economic value. He also works with carnations, lilies, gerbera, chrysanthemums and alstromeria. One of the commonly seen quality issues with roses has been "bent neck" ?a bending of the stem immediately below the flower that leads to wilting and failure of the flower to open. Be...Protein finding could lead to treatment for inflammatory diseases
...oth the function of the protein (MC160) and how it works on a molecular level to inhibit inflammatory responses. MC160 is so named because it was the 160th gene of the molluscum contagiosum virus (MCV) sequence. "This is a really important protein for a couple of reasons," said Joanna L. Shisler, a profes......dy's sex hormones on an even keel. Estradiol also works higher in the brain, on the hypothalamus, to ramp down production of GnRH, but how this works has been a relative mystery. The new study provides an answer: Estradiol stimulates cells in the dor...