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Tag: "deadly" at biology news

New finding points way to foiling anthrax's tricks

...ttle, uncovered the trick while studying how these deadly bacteria steal iron from their human hosts to grow and reproduce. "Humans make a protein called siderocalin to defend against bacteria in the continual arms race between pathogen and host. This is the first example of a protein produced by the hum...

Sandia research to focus on early detection of harmful algal blooms

... develop a technology that can successfully detect deadly toxins from harmful algal blooms (HABs). The funding is provided by the Cooperative Institute for Coastal and Estuarine Environmental Technology (CICEET), a partnership of the National Oceanic and Atmospheric Administration (NOAA) and the University ...

H9N2 avian flu vaccine paired with adjuvant provokes strong human immune response at low doses

...ural immunity to a virus--such as H9N2 or the more deadly H5N1 avian influenza--that historically has circulated only in birds. If H9N2 or H5N1 were to acquire the ability to spread easily from person to person, an influenza pandemic could result, health experts say. In 2004, NIAID directed Novartis Vacci...

A new understanding of how cells defend themselves against bacterial pore-forming toxins

...embranes are penetrated, because they could become deadly if their function is compromised. Van der Goot adds that a better understanding of the biochemical pathway that allows epithelial cells to survive an invasion by a pore-forming toxin will prove valuable as biomedical researchers try to develop dru...

Cancer stem cells linked to radiation resistance

...ation and other forms of treatment and is the most deadly form of brain cancer worldwide. Although aggressive treatments can destroy the majority of the cancerous cells, a small fraction of them remain and often regenerate into even larger masses of tumor cells. Until recently, scientists knew little abo...

Novel EGFR ectodomain mutations in glioblastoma

...ons in the EGFR gene that occur in glioblastoma, a deadly type of brain tumor. The researchers sequenced the whole coding sequence of the EGFR gene in more than 100 glioblastomas. Nearly 15% of the tumors contained missense mutations—changes that altered the amino acid sequence of EGFR. But the mutations w...

Professors to develop hand-held pathogen testing device

Testing for deadly food, air and water pathogens may get a lot easier and cheaper thanks to the work of a Michigan State University researcher and his team. Syed Hashsham, an associate professor in the Department of Civil and Environmental Engineering and the Center ...

Experimental vaccine protects mice against deadly 1918 flu virus

... where scientists study contagious and potentially deadly materials under high-level safety and contaminatio... "Understanding why this influenza virus was so deadly is an extremely important question," says NIAID Director Anthony S. Fauci, M.D. "By building upon ea...

Holiday gluttony can spell disaster for undiagnosed diabetics

...that packing on pounds and not exercising could be deadly for the 6 million Americans who have diabetes and don't even know it. Diabetes, a metabolic disorder linked with obesity, can be a silent killer because its symptoms aren't sudden, but build up over time and lead to heart disease or other maladies....

Newly discovered behavior in cancer cells signals dangerous metastasis

...o stop cells from metastasizing, which is the most deadly trait of cancer," said the study's lead investigator, Mariano Garcia-Blanco, M.D., Ph.D., professor of molecular genetics and microbiology. The researchers will publish their findings in the Sept. 19, 2006, issue of the journal Proceedings of the Na...

Researchers discover key mechanism by which lethal viruses Ebola and Marburg cause disease

...umbia study has shown us new ways to fight against deadly viruses the world over." The method for discovering this protein underscores the power of bioinformatics for addressing the challenges of emerging infectious diseases. The investigators are currently exploring whether insights derived from underst...

Hope for major advance in fighting world killer disease

...ia, will offer a means of identifying the two most deadly forms of the disease quickly, cheaply and with lit...nd Shigella, the cause of dysentery - are the most deadly in terms of killing children. They cause only 20% of cases of diarrhoea but result in 60% of deaths...

Tulane researcher reports on origin of deadly fever outbreak

...dwelling animals may have been responsible for the deadly 1998?000 outbreak of Marburg hemorrhagic fever among gold miners in the Democratic Republic of the Congo, according to an article in the Aug. 31, 2006, issue of the New England Journal of Medicine. Daniel G. Bausch, associate professor of Tropical ...

New drug blocks influenza, including bird flu virus

...ad protection against influenza viruses, including deadly avian influenza. The new work, reported online this week (Oct. 4, 2006) in the Journal of Virology, describes the discovery of a peptide -- a small protein molecule -- that effectively blocks the influenza virus from attaching to and entering the ce...

Intravenous gene therapy protects normal tissue of mice during whole-body radiation

...s whether this therapy can protect people from the deadly effects of radiation." ...

MRSA toxin acquitted: Study clears suspected key to severe bacterial illness

...and bacterial sepsis. "The strains were just as deadly with or without the PVL toxin," says lead investigator Frank DeLeo, Ph.D., of RML. "Unexpectedly, the average abscess volume in mice infected with strains absent the PVL was slightly greater than those containing the toxin. The strong association bet...

Why don't all moles progress to melanoma?

...ed melanocytes start dividing abnormally to form a deadly form of skin cancer called melanoma. About one in 65 Americans born this year will be diagnosed with melanoma at some point during their lifetime. Scientists know that 30 percent of all melanomas begin in a mole. They know that 90 percent of moles...

MIT bioengineer advances survival, promise of adult stem cells

...s under many clinical conditions. To avoid that deadly response, Griffith and her team sought a way to manipulate the environment surrounding the cells to make conditions more favorable for survival. They zeroed in on a growth factor known as EGF, which plays a role in growth and differentiation of many ...

'Hidden-hero' microbes in soil, water may help naturally clean toxic sites

...n the soil subsurface that scrub it of potentially deadly radioactive metal. If bioremediation proves successful on the uranium, technetium, nitrate and other potentially lethal leftovers at the Oak Ridge site, the process should work to mitigate contamination at more than 7,000 other sites nationwide --...

Brown team finds crucial protein role in deadly prion spread

A single protein plays a major role in deadly prion diseases by smashing up clusters of these infectious proteins, creating the "seeds" that allow fatal brain illnesses to quickly spread, new Brown University research shows. The findings are exciting, researchers say, because they might reveal ...

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