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Tag: "hemorrhagic" at biology news

Clot-dissolving agent may be beneficial in treatment of severe frostbite

...as suggested by full-thickness tissue involvement, hemorrhagic blisters and abnormal perfusion on either angiogram or pyrophosphate scanning. Initiation of therapy within 24 hours of rewarming also appears to be necessary. Exclusion criteria would include superficial frostbite, involvement of the tips of the dis...

Cornell lab confirms deadly fish virus spreading to new species

...e in the College of Veterinary Medicine. The viral hemorrhagic septicemia virus (VHSV), which causes anemia and hemorrhaging in fish, has now been identified in 19 species and poses a potential threat to New York’s $1.2 billion sport-fishing industry. "It’s pretty obvious this is an epidemic even if it isn’t of...

Discovery could lead to better control of hemorrhagic fever viruses

...receptor through which a group of life-threatening hemorrhagic fever viruses enter and attack the body's cells, a...ause Bolivian, Venezuelan, Argentine and Brazilian hemorrhagic fever, respectively, with mortality rates of about 30 percent. No vaccine is available, though a wea...

New study may show how to forestall a fatal, virus-caused immune-system meltdown

...re dangerous Lassa virus, which can cause an acute hemorrhagic fever and kills about 5,000 people a year in West ...rly on, you can’t really differentiate these nasty hemorrhagic fever viruses from their symptoms ?they just resemble the flu,?Herzog said. “But if you have biomark...

'GreeneChip' -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

...ods failed to implicate a microorganism in a fatal hemorrhagic fever case is described in the January 2007 issue ...s obtained from patients with respiratory disease, hemorrhagic fever, tuberculosis, and urinary tract infections. In all cases, GreeneChip analysis detected an ag...

Pattern of human Ebola outbreaks linked to wildlife and climate

...here are close linkages between outbreaks of Ebola hemorrhagic fever in human and wildlife populations, and that climate may influence the spread of the disease. The decade-long study, published this month (with a cover date of January) in the journal Transactions of the Royal Society of Tropical Medicine and H...

Tulane researcher reports on origin of deadly fever outbreak

...nsible for the deadly 1998?000 outbreak of Marburg hemorrhagic fever among gold miners in the Democratic Republic...ad directly to humans by the host animals. Marburg hemorrhagic fever, a severe filovirus-caused disease related to Ebola, was first identified in European research...

Mass vaccination unnecessary in the event of a large bioterrorist US smallpox attack

...as a death rate of about 10 percent), and flat and hemorrhagic (both very rare and uniformly fatal). According to the CDC, exposure to the variola virus is followed by an incubation period of seven to 17 days, during which people are not contagious and feel fine. The first symptoms emerge during what is calle...

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

... in Latin), are associated with outbreaks of fatal hemorrhagic fever in sub-Saharan Africa. Viral hemorrhagic fevers are of specific concern because they are associated with high morbidity and mortality (up to ...

Cornell researchers find serious fish virus in Northeast for first time

...ornell's College of Veterinary Medicine, the viral hemorrhagic septicemia virus (VHSV), which causes fatal anemia and hemorrhaging in many fish species, was discovered in upstate New York. It poses no threat to humans. In May 2006, the researchers, in collaboration with the New York State Department of Enviro...

Fish virus in Northeast spreading to other fish species

...ores of Lake Ontario in just one morning. Viral hemorrhagic septicemia virus (VHSV) was detected and confirmed for the first time in the Northeast in round gobies and muskellunge in June. Cornell researchers are awaiting finals results of tests on 54 fish of 10 species that indicated VHSV in smallmouth bass a...

Gene-specific Ebola therapies protect non-human primates from lethal disease

...needed for viral replication. Ebola virus causes hemorrhagic fever with case fatality rates as high as 80 percent in humans. The virus, which is infectious by aerosol (although more commonly spread through blood and bodily fluids of infected patients), is of concern both as a global health threat and a potenti...

Hantavirus found in African wood mouse

...n Europe." European and Asian hantaviruses cause hemorrhagic fever with renal syndrome (HFRS), a group of similar illnesses with symptoms including, fever, kidney failure, and bleeding. The viruses are carried by a number of rodents, including the brown rat, the striped field mouse, and the yellow-necked mouse...

Ocean virus identified in human blood samples

...animal species. The Lagovirus genus causes a fatal hemorrhagic disease and hepatitis that has killed millions of rabbits across four continents in the past 20 years. In more than 30 years of research, part of what has been found to be unusual about caliciviruses is that they can cause multiple diseases and affe...

'Bad' enzymes may wear white hats after stroke

... work suggesting that statins might counteract the hemorrhagic effect of tPA and might someday be used as an adjuvant therapy with tPA," she said. "I also did some work with beta amyloid, the protein implicated in Alzheimer's disease. It seems that beta amyloid might increase levels of MMP-9 where MMPs would har...

Simple idea to dramatically improve dengue vaccinations

...cantly more likely to develop a potentially lethal hemorrhagic infection if they are later infected by one of the other three viruses. "This is a classic case of something called 'original antigenic sin,' which happens when our immune system becomes overly reliant upon memory when recognizing diseases similar t...

Cord blood cells may widen treatment window for stroke

...y access to a CT scan, a test needed to rule out a hemorrhagic stroke caused by a burst blood vessel. The drug ca...nating, the disabling effects of both ischemic and hemorrhagic stroke. What's more, the treatment can be delivered much later than the current strict three-hour th...

Computer models aid understanding of antibody-dependent enhancement in spread of dengue fever

...Enhanced virus replication triggers a more deadly, hemorrhagic form of the disease. A study published in the online edition of Proceedings of the National Academy of Sciences suggests that antibody-dependent enhancement offers an evolutionary trade-off between advantage and disadvantage for the dengue virus. T...

Researchers report breakthrough against world’s deadliest viruses

...ften deadly viruses. Monkeys are known to develop hemorrhagic fever symptoms that are similar to those observed in humans infected by these viruses. Demonstrating that these vaccines are safe and effective in monkeys is a promising indicator of their real potential for use in humans. "When you see the tragedie...

Virologist finds contagious equine flu in dogs

...ew weeks, although 1 to 5 percent die from related hemorrhagic pneumonia. From January to May 2005, outbreaks occurred at 20 racetracks in 10 states (Florida, Texas, Arkansas, Arizona, West Virginia, Kansas, Iowa, Colorado, Rhode Island and Massachusetts), according to the paper. "This infection will become a m...

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