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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