Tag: "spread" at biology news

LSU professors monkey around with the Rhesus Macaque genome

...ht into the pathways involved in the infection and spread of pathogens in primates, which could potentially lead to the development of new and improved treatment options, vaccines and other preventative measures in humans." Mobile elements, an integral part of this study and one of Batzers specialties, ar...

A genetic 'gang of 4' drives spread of breast cancer

...t the abnormal activation of four genes drives the spread of breast cancer to the lungs. The new studies by ...s also found that they could reduce the growth and spread of human breast tumors in mice by simultaneously targeting two of the proteins produced by these gen...

Genes set scene for metastasis

... tumor. These genes were also found to promote the spread of breast cancer to the lungs. The study, conducte...er of genes are already known to contribute to the spread of breast cancer cells to the lungs. Using genetic and pharmacological approaches, Joan Massagu, ...

Liver regeneration may be simpler than previously thought

...se livers are so damaged say, by a tumor that has spread to most of the liver that a large part would be removed. Unless such patients receive the right amount of liver transplant from an organ donor, they do not always survive. Quickly stimulating the growth of the remaining portion of their liver could ...

'Combination' Lyme disease vaccine proteins patented

...new study. Early symptoms of the disease, which is spread by the bite of an infected deer tick, include a bull's-eye rash at the site of the bite and flu-like symptoms. If not promptly treated with antibiotics, it can lead to more serious symptoms, including joint and neurological complications. Scientist...

Invasive grass may impede forest regeneration

...ial for porcelain china. Since then, the grass has spread across the southern States, flourishing on floodplains and streamsides and displacing native vegetation. " Microstegium can invade and persist in the low-light conditions of interior forests, making excellent use of short bursts of sunlight," say...

Nanotextured implant materials: blending in, not fighting back

...ged endothelial cells to colonize the material and spread much faster than smooth muscle cells. Where endothelial cells established themselves, they formed a single thin layer that inhibited overgrowth of the smooth muscle cells that tends to narrow stented arteries. In another experiment, published in th...

Progress against sarcoma

...ve five years. Many synovial sarcomas already have spread by the time they are diagnosed, and about 80 percent of those patients die, Capecchi says. Surgery is the most common treatment to remove a synovial sarcoma that has not spread; chemotherapy and radiation are considered less successful. All syn...

Disease can be our ally, not just our enemy, says new book by UCR evolutionary biologist

...oduced by the agent itself as part of an effort to spread to other hosts. You want to encourage the former and squelch the latter. Take fever, for instance. Animals allowed to raise their body temperatures through fever recover more quickly than those given fever-reducing drugs. Children in particular a...

Why small dogs are small

...t the genetic code to make small dogs "was readily spread over a large geographic area by trade and human migration." Or, as Lark puts it: "A local sailor came in with a small dog and everyone said, Ooh, I want a dog like that! Can I use him to father my next dog?" Meanwhile, other people bred dogs to...

NIH establishes Center of Excellence for influenza research at Mount Sinai

...nding site- a molecular structure critical for the spread of infection- stopped viral transmissions in ferrets. This recent study could have significant clinical implications in helping scientists develop ways to break the disease cycle and possibly help reduce the risk for a potential pandemic and illness....

St. Jude named a Center of Excellence in flu research

...nfluence how these viruses cause disease, how they spread and evolve and how the immune system responds to infection with these viruses. The Center of Excellence designation will also help St. Jude evaluate antiviral drug treatments and factors that cause drug resistance. This award recognizes both the ...

Elephant highways of death

...ng elephant strongholds is needed to both halt the spread of poaching and control settlement and range fragmentation associated with road development. The authors further warn that the illegal ivory trade must be brought under control in elephant range-states, transit countries and destination nations. La...

Trends in bird observations reveal species' changing fortunes

...nd habitat, a fact they tentatively ascribe to the spread of industrial, suburban, and other human-affected land cover in North Americaloosely, urban sprawl." Forest-loving species, in contrast, often increased in abundance, an observation that finds a likely explanation in the expansion of northern forests...

Right angles are all wrong for tree frog adhesion

... with how the animals positioned their legs - they spread their legs out sideways to minimise the angle between their feet and the surface. The researchers also visited Trinidad to address the problem faced by larger tree frogs, who do not adhere to surfaces very well. To partially compensate for this, la...

Carry on walking!

... Results indicated that when carrying an evenly spread load humans are actually more efficient at carrying than most mammals but carrying awkward loads, such as an infant on one side of the body, uses much more energy. However this sort of carrying would have been inevitable once early hominins lost the ...

Biologists call for better choice of model organisms in 'evo-devo'

...osing new model organisms to maximise phylogenetic spread is nice to show diversity, but it doesnt necessarily lead to new general insights about evolution. "Choosing new models in this way leaves it entirely a matter of chance whether a new model will illuminate a particular evo-devo theme. "Instead, ...

Could USA presidential DNA trail reveal Middle-Eastern origins?

...enicians, an ancient maritime trading culture that spread out across the Mediterranean from their home in what is now Lebanon. The US media has taken up a different theory, leading to the New York Times headline, Jefferson the first Jewish president?: European K2 chromosomes may originate in Sephardic (Spa...

The delayed rise of present-day mammals

... of modern mammals were able to quickly evolve and spread to fill many of the empty niches left behind following the mass extinctions of dinosaurs and many other large animals when a huge asteroid crashed into the Earth about 65 million years ago. An international research team reached that conclusion af...

Why some people are more attractive than others

...lutionary scientists for years ... if 'good' genes spread through the population, why are individuals so di... genes responsible for attractive features should spread quickly through a population, resulting in males becoming equally attractive, to the point where sex...

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(Date:5/20/2013)... University of Minnesota Medical School researchers from the Masonic ... University,s Brain Tumor Program, have developed a new mouse ... allow them to discover new genes and gene pathways ... published this week in the journal Nature Genetics ... in the lab of David Largaespada, Ph.D., professor in ...
(Date:5/20/2013)... that a compound abundant in the Mediterranean diet takes ... By altering a very specific step in gene regulation, ... that die as scheduled. , One way that cancer ... cause them to die on a regular cycle that ... led by Ohio State University researchers, found that a ...
(Date:5/20/2013)... at the University of Bristol and published online today ... light on how the brain and inner ear developed ... of Earth Sciences, together with Tom Hbner from the ... 150 million year old dinosaurs. , The two palaeontologists ... lettowvorbecki : a very young (juvenile) individual of ...
Breaking Biology News(10 mins):U of M researchers develop model for better testing, targeting of MPNST 2The compound in the Mediterranean diet that makes cancer cells 'mortal' 2The compound in the Mediterranean diet that makes cancer cells 'mortal' 3Fossil brain teaser 2
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