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Tag: "throughout" at biology news

Research casts doubt on circulating stem cells

...ck of all trades" circulating via the blood stream throughout the body and repairing, wherever needed, any type of tissue is, unfortunately, a myth. In practice their impact is, at best, minimal. The somatic cells mark genetic traits believe by the body to be no longer needed by sticking a label on them ?a sor...

Bronx Zoo bears are new Samsonite gorillas

...ocations in the lower 48 states, black bears occur throughout the country, often living in or near areas of human recreation and development. This proximity to populated areas has resulted in many bears becoming increasingly habituated to human food and garbage, a prelude to human-bear conflicts. According t...

Gene therapy reverses genetic mutation responsible for heart failure in muscular dystrophy

...t successful attempt to deliver a therapeutic gene throughout the body. "Previous attempts at systemic gene the...rophies where many organs and tissues are affected throughout the body, intramuscular injection is not practical for delivering a corrective gene to the body's mo...

Anthrax stops body from fighting back, study shows

...hey build tiny filaments that allow them to crawl throughout the body and eat invading bacteria. Just two hours of exposure to the lethal toxin blocks the neutrophils' ability to produce these filaments by nearly 60 percent, paralyzing themand allowing the anthrax to move freely in the body, according to rese...

Oldest dated evidence of cattle in southern Africa found

...roader context of the spread of domestic livestock throughout Africa. Whereas livestock had spread into northern Kenya in East Africa by as early as 4000/4500 years ago, it took an additional 2000 years for their eventual spread into southern Africa. Experts have stressed that this delay was largely due to the ...

Minimally Invasive Cancer Treatments Highlighted

...ing guidance to deliver targeted cancer treatments throughout the body non-surgically, through the blood vessels...tructures. Sometimes, many small tumors are spread throughout the liver, making surgery too risky or impractical. Surgical removal is not possible for more than t...

UT Southwestern researchers develop screening test for cells that activate immune system

...endritic cells, which are on constant recon patrol throughout the body to scout out cancerous or infected cells ...unds that turn on dendritic cells, which are found throughout the body from skin to blood. They continuously scan the body at the cellular level looking for antig...

Beach pollution is worst during new and full moon

...hers examined monitoring data compiled for beaches throughout Southern California, keeping track of tidal patterns and analyzing them for concentrations of enterococci -- bacteria that allow scientists to estimate the risk of illness from swimming in marine waters. "This is the largest array of beaches examined...

Shade trees getting 'scorched' by plant disease

...n landscapes, street plantings, and small woodlots throughout the eastern U.S. and as far west as Texas. According to Gould, BLS affects as many as 35 percent of susceptible street and landscape oaks in some central New Jersey communities. Current loss of value plus replacement costs for older trees affected ...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

... particular have been major evolutionary catalysts throughout the 4 billion years of life on earth and have largely shaped the evolution of complex organisms." Symbiotic bacteria live in root nodules of leguminous plants, in gutless marine worms, in echinoderms such as starfishes and sea urchins, and in specia...

Chernobyl: The true scale of the accident

... aquatic systems? Contamination of surface waters throughout much of Europe declined quickly through dilution, physical decay, and absorption of radionuclides in bed sediments and catchment soils. Because of bioaccumulation in the aquatic food chain, though, elevated concentrations of radiocaesium were found i...

Fresh water affected by salt from deicing roads

...r human consumption and toxic to some aquatic life throughout the region. Reversing the problem involves reducing the creation of new roads and subsequent use of deicers. Despite being a major aquatic pollutant, road salt is not currently regulated as a fresh water contaminant. ...

Retinal scans eyed for New Mexico show cattle

...entually mean the full tracking of animal movement throughout the nation, he said. The announced USDA target for a mandatory animal identification program is January 2009, said Ron Parker, an animal ID specialist with NMSU Extension and the New Mexico Livestock Board. At that time, all animals entering marketi...

Once-dreaded leprosy 'replaced' by tuberculosis, say researchers

...deadly disease, overtook leprosy, killing millions throughout Europe. Their conclusion is based upon the examination of DNA from human remains from the ancient and medieval periods in Israel and Europe. In these examinations, the scientists found traces of both leprosy and tuberculosis bacteria in 42 percent o...

Researchers discover why melanoma is so malignant

...ant cellular process that lets them travel swiftly throughout the body. Central to this reawakened process i...the neural crest cells to travel, and then settle, throughout the developing embryo. "Slug is a key component of the neural crest's ability to migrate," says Pi...

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

...e and related chemicals, clouds and dust particles throughout the atmosphere. With a 960-km swath and alternate limb and nadir observations, SCIAMACHY covers the entire world every six days at the equator and more often at high latitudes. This versatile instrument represents a national contribution to ESA's E...

Gene therapy for muscular dystrophy fixes frail muscle cells in animal model, Stanford study finds

...ll must figure out how to get that gene to muscles throughout the body. Despite the remaining hurdles, both Rando and Calos said that their study is a step towards eventually treating muscular dystrophy and other diseases using gene therapy. ...

New neurons take baby steps in the adult brain

... the few parts of the brain where new neurons form throughout life and are integrated into the existing network of cells. The researchers also figured out why the mouse's new neurons were excited by GABA -- they have greater amounts of chloride ions, making for a different chemical environment. By the time the...

Max Planck researchers make a breakthrough in plant stem cell research

...potent stem cells allow plants to build new organs throughout their whole life. But it has been unclear how horm... it contains totipotent stem cells that are active throughout the life of the plant. Unlike the stem cells of animals, which can only produce specific kinds of ti...

Tsunami + 1 year: Reviving exhausted fisheries should trump replacing boats, gear, experts say

... Lanka. Officials estimate the total repair cost throughout the affected area at $5.8 billion, while a total o...he tsunami but suspects the situation mirrors that throughout the neighbouring area. For example, the total biomass of bottom swimming (demersal) fish at depths ...

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