Tag: "death" at biology news

Irregular Heartbeat Shown To Increase Risk Of Death As Well As Disability; Particularly Harmful To Women

...eater than men without AF. For women, the risk of death was 1.9times greater in women with AF when compare...t in this study researchers looked specifically at death rates and foundpeople with atrial fibrillation had an increased risk of death. "Women tend to live l...

Doctors Find Lead On Common Genes Which Can Lead To Bowel Cancer

... cancer) and thesecond most common cause of cancer death in the UK. It is the commonestnon-smoking related cancer affecting both sexes. There are 31,300 new cases and17,900 deaths in the UK every year. Bowel cancer is curable, especially when detected at an early stage. It isalso preventable by the rem...

Researchers Identify How AIDS Virus Kills Cells It Doesn't Infect

...s' blood suggest that SI strains increase CD8 cell death to a level so high the body can no longerreplace t.... In the new experiments, the increase in CD8 cell death occurred only whenmacrophages were present, meaning that HIV needed the macrophages to instigatethe ...

Cattle Diets Could Control E. Coli Danger

...e; once the infection reachesthe uremic phase, the death rate can be as high as 30 percent. As few as 10viable "E. coli "O157:H7 can cause infection. THE FECAL CONNECTION: Mature cattle are unaffected by "E. coli" O157:H7, and asmall percentage of the cattle in the United States are carriers. When meat ...

Biotech Foods Ready For Primetime, Experts Say

... was a virus-resistant squash. But this is not the death knell of agricultural biotechnology." According to Goldsbrough and Martin, Flavr-Savr tomatoes failed not because of concerns over biotechnology but because of the unexpected requirements of a new product. Introduced in 1994, the Flavr-Savr tomatoes ...

Combination Therapy For Brain Tumors Holds Promise For Longer Survival After Surgery

...we used, we achieved between 20 and 60percent cell death in cancer cells where the erbB receptor was firstdeactivated, versus zero to 5 percent in radiation-alone controls," reportsO'Rourke. These findings were published in a September issue of theProceedings of the National Academy of Sciences. Er...

Paradoxical Gene Suppresses Tumors Yet Makes Them Grow

...xicalproperties -- it helps bring about tumor cell death yet is also necessary fortheir growth. The new stu...ctively bred not to have E2F1. "We found that cell death was diminished by 80 percent in the tumors of animalswithout E2F1," Van Dyke says. But the research...

New Anti-Microbial Agent Destroys Anthrax

...s spread systemically, producingsevere illness and death in 80 percent of the laboratory mice in the study....ure had a 95 percentreduction in lesion size. The death rate for mice receiving BCTP was only 20percent. "Rapid inactivation of anthrax bacteria and spores ...

Researchers Identify And Isolate First Gene For A Form Of Insulin-Dependent Diabetes

...nk that defects in the gene trigger programmedcell death in islets and neurons. This process normally remov...some molecules, when activated, actuallyinduce the death of cells," he explained. "Our current working hypothesis isthat this particular protein is part of a...

40 Percent Of Deaths Are Environmental

...t burn fuelwood and dung is estimated to cause the death of 4 million children each year worldwide. -- Lac... air. Respiratory disease is the leading cause of death in China. -- In China, where tobacco smoking increased from approximately 360 to nearly 1,800 cigar...

New Consortium Of Nutrition And Medical Experts Takes On The Lack Of Nutrition Education In Medical Training

...pment of five of the ten current leading causes of death in the United States and that diet-disease connections are increasingly catalogued in medical literature. So, why is nutrition so often largely absent, even missing, in young physicians' medical education? The most prominent explanation,...

Lake George Water Is Death On Zebra Mussel Larvae

...tests, which willhelp pinpoint the cause of larvae death and the levels at which larvae wouldsurvive, cannot be conducted until next year. "Unfortunately, the last spawningseason has passed," said Nierzwicki-Bauer. "We must now wait until May or Junewhen we can gather veligers again." Scientists know that ...

Teaching Great White Sharks To Link People With Food Is A Recipe For Disaster

...peratorshave scrapped. "Guaranteed there will be a death or bad injury," says CraigFerreira of the White Shark Research Institute in Cape Town, which itself runscarefully regulated shark-diving tours. Worse still, in addition to attractingsharks with food, some companies have been seen putting surfboards o...

Press Briefings

... preventing apoptosis. Itsabsence results in cell death and epilepsy. Drs. Pennachio and Myers fromStanford University will discuss the work that will appear in the November issueof Nature. Friday, October 30, 1998, 12:00 Noon. The Role of a Tau Mutation in Dementiaand Parkinsonism. The second most ...

Inbreeding Natural Among Trees But Not Without Costs, University Of Georgia Forestry Research Shows

...licated by the factthat not all lethal genes cause death 100 percent of the time. In this study,the team found only one gene that always kills and six others, called partialsor sub-lethals, that sometimes kill but not always. "The discovery of so many sub-lethals will make it far more difficult...

Tau Gene Linked To Family Of Neurodegenerative Disorders; Finding May Yield Insight Into Onset Of Alzheimer's Disease

...tationsin tau gene appear to lead directly to cell death in the hereditary diseasesstudied, Wilhelmsen said he and colleagues don't believe that a tau mutationoccurs in Alzheimer's disease. Rather, they suspect that other factors, such asmutations in the gene for amyloid protein, affects the biology of th...

AAAS Annual Meeting And Science Innovation Exposition

... breast cancer the biology of postponing aging and death human health risks in the ocean lessons learned from El Nio the future of predicting earthquakes psychoanalytic perspectives on dreaming the fate of the universe keys to the Cosmos Noteworthy speakers include Author and producer Michael Crichton (...

Beware The Pumpkin Preyer

...cterized by yellowing between the veins followedby death of the leaves, withering and vine collapse. New York plant samples sentto Dr. Bruton for inspection were not infected by the same bacterium. "We willcontinue our efforts to identify this new antagonist and provide consumers withhealthy plants to eat ...

Cell Suicide Prevented By Survival Signals

...gers their self-destruction. This "programmed"cell death performs a critical housekeeping function that pre...sing future harm. In some instances, however, the death sentence is commuted and certaincells cheat death. How this happens is still largely a mystery, but ...

Wisconsin Scientists Culture Elusive Embryonic Stem Cells

...enile onset diabetesmellitus, occur because of the death or dysfunction of just one of a few celltypes. The replacement of those cells would offer lifelong treatment. To treatheart disease, heart muscle cells could be injected directly to shore up failingheart tissue. Such clinical applications are years -...

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