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Tag: "catastrophic" at biology news

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...ng cures and saving children with cancer and other catastrophic diseases. Founded by late entertainer Danny Thomas and based in Memphis, Tennessee, St. Jude freely shares its discoveries with scientific and medical communities around the world. No family ever pays for treatments not covered by insurance, and fami...

New research indicates a 'troubled' greenhouse is brewing

...which lasted less than half a million years, was a catastrophic release of natural gas from undersea ices and permafrost. "In a remarkable parallel to modern hydrocarbon pollution of the atmosphere, this natural methane oxidized to carbon dioxide and created a global greenhouse event," he explains. "The past met...

Protein That Promotes Survival Of Stem Cells Might Be Key To Poor Leukemia Prognosis

...its into the St. Jude mission of finding cures for catastrophic diseases of childhood, such as leukemia, in order to save lives." The importance of Mcl-1 lies in the differing roles it plays in health and disease. "On one hand, this protein keeps HSCs and progenitor cells alive and multiplying so the body can m...

Emergence of cancer as major cause of childhood death in developing countries is not being adequately addressed

...ng cures and saving children with cancer and other catastrophic diseases. Founded by late entertainer Danny Thomas and based in Memphis, Tenn., St. Jude freely shares its discoveries with scientific and medical communities around the world. No family ever pays for treatments not covered by insurance, and families...

Africa to take it on chin again with climate change

...ate shows that the Sahel region, which experienced catastrophic drought until rains returned in the 1990s, could experience wetter monsoons for decades to come. However, drought across southern Africa is projected to intensify further. Oceanic warming consistent with an increase in greenhouse gases appears to be ...

Secret of smallpox's success may lead to bioterror cure

...against themselves ?and protect the public against catastrophic bioterror attacks. And if he is correct, Jacobs may not only be able to create a vaccine that can cure smallpox infections in their early stages, but he may also have a powerful tool for fighting a host of other viral pathogens, including HIV. Jaco...

Compound might defeat African sleeping sickness, clinical trial beginning this month

...ral decades, because of post-colonial turmoil, the catastrophic illness has come back to ravage parts of Angola, the Democratic Republic of the Congo, the Sudan and other countries. In some regions, the tsetse fly-borne infection rivals or exceeds the toll AIDS takes. Trypanosomiasis is passed from human to huma...

Stem cells bring fast direct improvement, without differentiation, in acute renal failure

...hly effective ARF therapy for decades. "Basically, catastrophic loss of kidney function has remained treatment-resistant despite dialysis and intensive care. Treating patients with ARF thus presents a major clinical dilemma, particularly when severe ARF occurs with multiple organ failure," Christof Westenfelder f...

Pulp mill devastates swans' sanctuary in Chile

...r conglomerate, is most likely responsible for the catastrophic collapse of the swan population. The scientists concluded then that contaminants from the plant contributed to a massive die off of luchecillo, the aquatic vegetation that was the swans' main food source. "It was heart-rending. We talked to people...

Implantable pumps extend lives of patients too sick for transplant

...ermore, unlike some earlier studies, there were no catastrophic mechanical failures." According to Rogers, there are a number of challenges to be addressed before the use of LVADs can be considered as a widespread destination therapy. The first challenge is selecting appropriate patients, which is crucial, sinc...

Harnessing genomic research

... fast confirmation is critical, or for potentially catastrophic but widespread and non-symptomatic infections such as that caused by Chlamydia. Vaccine against salmonella?/B> A team investigating the microbial genes important for the survival and growth of the salmonella pathogen during infection is using t...

Genetic study shows humans have pushed orangutans to the brink of extinction

...al PLoS Biology shows strong genetic evidence of a catastrophic collapse in orangutan populations living in the fragmented forests of the Kinabatangan Wildlife Sanctuary in Sabah, Malaysia. Benoit Goossens, Lounès Chikhi, Michael Bruford, and their colleagues report that the collapse occurred within the past h...

Pittsburgh researchers discover that certain chemicals in the blood may indicate brain injury

... "As a result, misdiagnosis is common and can have catastrophic medical consequences." Dr. Berger added, "The ability to identify infants who have inflicted traumatic brain injury and might otherwise have received a misdiagnosis would allow health care providers to limit medical complications as a result of dela...

Spring migration of pink-footed geese under threat

...that any rapid escalation of bird scaring could be catastrophic for the birds, especially for less experienced individuals. According to Klaassen: "The model predicts that if scaring on a large scale is implemented abruptly, it will have severe consequences for the population because the geese will not have tim...

Removing DNA repair gene causes metabolic syndrome

...ne, or the gene's absence altogether, could have a catastrophic effect on the body's ability to restore DNA to its undamaged state. "Our analysis is that the inability to repair damage to the genetic material, whether it is in the nucleus or whether it's in the mitochondria, is what's leading to a destabilizatio...

Mayo Clinic researchers challenge sepsis theory

...nce free to function, the receptor can trigger the catastrophic cascade of events that is sepsis. The sepsis syndrome can occur during a bacterial infection, as the accepted medical principle holds, or -- as the Mayo Clinic team theory suggests -- it also can occur when substances the body makes act like the bact...

Virus has 'catastrophic' affect on red squirrels, research shows

New research has revealed for the first time the catastrophic effect of a deadly virus on Britain's native red squirrels. The research shows that squirrel poxvirus is threatening to wipe out red squirrels in some of the areas in which they remain in northern England within 10 years. In areas where the virus ...

Tyrannosaur survivorship -- tough times for teens

...its closer to an attritional model rather than the catastrophic model we were expecting," said world-renowned paleontologist Dr. Phillip Currie and professor in the U of A's Department of Biological Sciences. "Hopefully this will help us to unravel the cause of death of so many carnivores at one location. "It'...

Major initiative proposed to address amphibian crisis

...process that traced global warming ultimately to a catastrophic egg mortality in the western toad of the Pacific Northwest Cascade Range. Work is continuing at OSU today on contaminants and the effects of UVB solar radiation that may amplify the impacts of the fungus which causes chytridiomycosis. Amphibian...

Where have all the butterflies gone?

...s. But for species with only one brood per year, a catastrophic season will have repercussions for up to a decade. More butterflies may still emerge in the mountains. The rain has led to a heavy snow pack in the Sierra Nevada, which typically means a good year for butterflies in the high country. Snow protects t...

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