Tag: "spread" at biology news

Talcum powder stunts growth of lung tumors

...in the breast, lung or gastrointestinal tract, has spread throughout the body. The prognosis for the roughly.... All of these make it hard for tumors to grow and spread into healthy lung tissue. When endostatin was first discovered in 1997, doctors hoped its tumor-fi...

New bacterium discovered -- related to cause of trench fever

...that the new microbe is genetically similar to one spread by body lice in the trenches during World War I. T...Andes are also home to another Bartonella species, spread by sand flies. The researchers first thought this was causing the patients infection. But geneti...

Ethanol injection helps manage bone metastasis in thyroid cancer patients

...tment for thyroid cancer patients whose cancer has spread to the bone. Japanese researchers announced these ...s that help the body function normally. Cancer can spread beyond that site and invade other parts of the body (metastasis), and thyroid cancer is often listed...

Stanford researchers find stem cells in colorectal tumors

...ells are also likely to be responsible when tumors spread to distant sites. Identifying new cancer stem cells has been a major push within Stanford's Institute for Stem Cell Biology and Regenerative Medicine, where Clarke serves as associate director. Irving Weissman, MD, director of the institute, said h...

CSIRO scientists join fight to save 'Tassie devil'

...remove known infected devils, in turn limiting the spread of the disease. To date AAHL scientists have pro...nia. The result of my work was a map showing the spread of DFTD over time and some spatial statistics correlating the frequency of devils and diseased indiv...

Small-scale agricultural changes may help eradicate widespread disease

...ultural and sanitation practices may eliminate the spread of a disease that affects some 200 million people ... way to drastically reduce, or even eliminate, the spread of the disease. The practices Liang refers to include building concrete walls to line irrigation d...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

... from the H5N1 strain, the virus was found to have spread from the lungs; this was not the case in those who survived. "We have shown that this technique can work to prevent and neutralise infection by the H5N1 'bird flu' virus in mice," says Dr Cameron Simmons, a Wellcome Trust researcher at the Oxford U...

Rapid syphilis testing in Haiti will prevent congenital disease and stillbirths

...hers take part in prenatal programs to prevent the spread of HIV. Now, new research from Weill Cornell Medical College and the Groupe Haitien d'Etude du Sarcome de Kaposi et des Infections Opportunistes (GHESKIO) published in the May issue of the open-access journal PLoS Medicine finds that integrating a ...

Fire ants are emerging nuisance for Virginians

...Although humans are most commonly to blame for the spread of RIFAs, the insects have extended their range to... during floods. Since the 1930s, fire ants have spread to infest large parts of the southern United States, including Puerto Rico and as far west as Texas ...

A first -- Hebrew University scientist observes brain cell development in 'real time'

... are the string-like extensions of the neuron that spread out to reach other neurons and serve as the points of communication between the neurons. The model employed by Dr. Mizrahi in his research was the newborn neuron population which develops into the olfactory bulb of adult mice, providing them with ...

Vaccine hope for malaria

...ng to fade with the growing number of cases, rapid spread of drug resistance in people and increasing insecticide resistance in mosquitoes. Until now there has been no reliable animal model for human malaria. Mice do not get sick when infected with the blood-borne parasite that causes malaria in people. A...

A close-up on pancreatic disease: How do we improve the odds?

...ved) and positive lymph nodes (in which cells have spread beyond the immediate tissue to nearby nodes or glands), which indicate poorer survival rates. The study investigated EUS and CT accuracy in predicting margins and node status as well as the need for more extensive venous resection in patients underg...

Study focuses on only carnivore with 'fingerprints'

...boom appears to have begun in the 1990s. Fishers spread south out of the Adirondacks and Vermont and into the Hudson Valley. They are also spreading westward, with today's leading edge around Syracuse. Fishers were first recorded in the suburbs of Albany and Boston in the last six years....

Oregon researchers involved in new Clovis-age impact theory

...impact materials occur in the Great Lakes area and spread out from there," Kennett said. "It would have had major effects on humans. Immediate effects would have been in the North and East, producing shockwaves, heat, flooding, wildfires, and a reduction and fragmentation of the human population." The car...

K-State biologist hopes mosquito can break viral chain

...don't transmit dengue, but C. tarsalis is known to spread West Nile and western equine encephalitis. The wor...st troublesome mosquito-borne disease, malaria, is spread by Anopheles gambiae. One of Clem's students is investigating a dozen or so genes in A. aegypti be...

Cornell lab confirms deadly fish virus spreading to new species

... may vary from species to species. Containing the spread of the virus in New York will require restrictions...sable dams, according to the Associated Press. The spread of the virus could have a devastating impact on aquaculture and particularly the channel catfish tra...

Landmark study details demographic, ecological and genetic spread of rabies in raccoon outbreak

...esses simultaneously shaped the virus's geographic spread over time. The study appears online in the Proceed...nd population dynamic processes characterizing the spread of a pathogen after its introduction into a susceptible host population," says Leslie Real, PhD, Emo...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

...ssive prostate cancer defined as disease that has spread beyond the prostate and beta-carotene, another antioxidant found in many vegetables and commonly used as a dietary supplement. This unexpected observation "may be due to chance, however beta carotene is already known to increase risk of lung cance...

Growing nerve cells in 3-D dramatically affects gene expression

...own as petri dishes, cells stick to the bottom and spread out as they multiply. But in the body, cells don't grow that way. They are suspended in fluids and gels and surrounded by other cells. And these cells aren't stuck; they move. As a result, some scientists suspect that hothouse cells do not behave l...

Herpes infection may be symbiotic, help beat back some bacteria

...seriously endangering the host and can continue to spread to new hosts from its current perch. "We need to explore whether there are additional costs and benefits to the host from this," Virgin says. "Are there additional pathogens that find it harder to come in as a secondary infection after herpes become...

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(Date:5/23/2013)... Given the implications for the overall health, development, ... a primary role in ensuring that all students ... minutes per day of vigorous or moderate-intensity physical ... of Medicine. Recent estimates suggest that only ... guideline for promoting better health and development. ...
(Date:5/23/2013)... (May 23, 2013) A new report from ... for helping pupils engage in at least 60 minutes ... day. , No more than half of American youth ... of vigorous or moderate intensity physical activity daily, according ... "Because children are in school for nearly half of ...
(Date:5/23/2013)... the natural history museums of the world are billions ... beetles to flowers, mushrooms and grasses, all stacked, stored ... rich and diverse collections could be critical to understanding ... of a growing human footprint if only the ... brought to life with the help of a team ...
Breaking Biology News(10 mins):Schools should provide opportunities for 60 minutes of daily physical activity to all students 2Schools should provide opportunities for 60 minutes of daily physical activity to all students 3Schools should provide students with daily physical activity, IOM recommends 2CU-Boulder helps tap crowds to digitize museum records of bugs and plants 2CU-Boulder helps tap crowds to digitize museum records of bugs and plants 3CU-Boulder helps tap crowds to digitize museum records of bugs and plants 4
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