Tag: "spreads" at biology news

Experts offer the skinny on search for healthy fat

...laxseed oil. "Most of the margarine and vegetable spreads that we use have high levels of omega-6s. The cooking oils generally have high levels of omega-6, except canola and flaxseed oil," Watkins says. "So if you are concerned about the amount of fat in your diet, you shouldn't buy tuna fish packed in soyb...

PET tracer detects early prostate cancer

...United States. Detecting prostate cancer before it spreads is a key challenge facing physiciansand can have a major impact on patient survival. In research undertaken in Japan by Dr. Nobuyuki Oyama, MD, PhD, 18 patients with prostate cancer confirmed by biopsy underwent positron emission tomography (PET) sca...

UCSF prion finding in mice leads team to urge similar study in cattle

...age that causes cell degeneration. The destruction spreads quickly through the brain, generally causing death in less than a year. One explanation for prions propagating at high levels only in the brain and lymphatic tissue has been that there simply might be more normal prion protein in these regions, and t...

Tallahassee chemist wins national award for 'weighing' mixtures

...tures components according to weight like a prism spreads out light into its rainbow of wavelengths mass spec applications range from detecting performance drugs in Olympic athletes to determining the age of meteorites. Marshall took mass spec to new levels of accuracy in 1973 by inventing a way to view th...

Dogs key to understanding prostate cancer

...ent. Unlike any other cancer, when prostate cancer spreads to the bones as it does in 80 percent of all advanced cases it actually stimulates new bone to grow, not erodes it. Weve really been stumped on how to study this, says Dr. Tom Rosol, a veterinarian in The Ohio State Universitys Comprehensive Canc...

Collaborators receive $10.5 million to explore progression and treatment of prostate cancer

...e treated with local therapy, the cancer sometimes spreads and foils the treatment plan. Researchers would li...state researchers want to know why prostate cancer spreads into the bones of some people, but not others. They also want to know why cancer spreads into the bo...

Ocean aquaculture: Technology, business practices, policies & caviar

...mental impacts from fish feed and waste because it spreads the discharge out over the entire moving cage area, as opposed to grid systems that are positioned over a single location. Extensive nutrient monitoring programs, coupled with analysis of the benthic, neritic and pelagic community, are part of the N...

UCLA scientists develop prostate cancer tracking system

...rking on could theoretically find such tiny cancer spreads in patients much earlier than is possible now, and allow doctors to treat these metastases sooner, when the chances of success are greater. "This targeted gene delivery method will help us to catch a metastasis when it is still a small group of cells...

Scientists confirm age of the oldest meteorite collision on Earth

...ked right back up the hole into the atmosphere. It spreads around the Earth as a rock vapor cloud that eventually condenses and forms droplets that solidify into spherules, which rain back down onto the surface." The meteorite that led to the dinosaur extinction produced spherule deposits around the world t...

Rice researchers develop first fully automatic method to track 3-D movement of cancer cells

...t. 16, 2002 -- Cancer researchers know the disease spreads from organ to organ in a non random pattern, but they are unable to predict exactly how cancer will spread, in part because of the limited tools available to study cancer cell migration in a controlled laboratory setting. In groundbreaking new resear...

Rabies vaccinations could help save Ethiopian wolf

...suggests that when a wolf gets rabies, the disease spreads to about 90% of its pack. In the early 1990s, a rabies outbreak cut the largest Ethiopian wolf population by two-thirds. This population (Bale Mountain) has recovered, thanks to a dog vaccination program that began there in 1996. To see if disease m...

Eczema patients lack natural antibiotic in skin

...tis patients, are more likely to have disease that spreads widely in their bodies....

Pennsylvania's West Nile Virus surveillance system gets an assist from NASA data

...esponding to the progress of West Nile Virus as it spreads through counties. The PA West Nile Virus Surveillance System (PAWNVSS) provides up-to-date information on where infected mosquitoes, birds and humans have been reported throughout the state. Over the last two years, the Pennsylvania Departments of E...

Insect infestation models may shed light on insect and disease outbreaks

...t species through the landscape, here, the species spreads in waves." The Larch budmoth feeds on larch trees, a common evergreen variety, consuming the needles and defoliating the branches. In the European Alps, the infestation moves as predictable waves from west to east completely defoliating forests begi...

Clock cues: Cellular sensing, metabolism research wins Amersham Biosciences and Science Prize

...host plant's genome, a previously unknown "signal" spreads the silencing throughout the rest of the genome. Voinnet also showed that viruses encode proteins that fight against silencing, uncovering an arms race between viral and host DNA. EUROPE/Sisters Stick Together: The critical process of cell division r...

Researchers decipher cause of parasites worldwide spread

...lamb or venison. While eating infected meat easily spreads Toxoplasma from animal to animal, related parasites have highly restricted life cycles and require that a specific carnivore eat a specific herbivore for transmission to occur. Toxoplasma also is unusual in that worldwide there are only three main s...

Human gene affects memory

... cultured neurons, they discovered that "val" BDNF spreads throughout the cell and into the branch-like dendrites that form synapses, while "met" BDNF mostly clumps inside the cell body without being transported to the synapses. To regulate memory function, BDNF must be secreted near the synapses. "We were ...

Special section: Invasive species

...ive species take such a long time that the species spreads significantly, making it much harder and more expensive to control. Simberloff argues for using whatever methods are currently available, adopting any new methods as they are found. This "brute force" approach has controlled plenty of invasions effec...

Stanford researchers identify genes involved in tuberculosis latency

...hing and hacking, which can be fatal if untreated, spreads the bacteria to the next generation of unsuspecting hosts. Until recently no one knew exactly how the tuberculosis bacteria performed its chameleonlike feat or how to stop it. Now Stanford University Medical Center researchers have begun to understan...

Exotic Newcastle disease

...fected animals and isolate them before the disease spreads further," said McCready. "If an outbreak is not quickly contained, it spreads rapidly, affecting the state's poultry industry and its ability to trade with other states and count...

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