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Tag: "cause" at biology news

Measles Deaths Worldwide Drop By Nearly 40% Over Five Years

...ore can be accomplished." Measles is an important cause of childhood deaths. Only a decade ago, measles killed millions of children each year and affected 30 million more, leaving many with life-long disabilities like blindness and brain damage. "In many places where families once lived in fear of losing...

Man-made wetland's effectiveness similar to natural marsh

...ter pollution. High levels of these nutrients can cause algae to flourish, often to the detriment of fish ... and phosphorus, accumulate in a body of water and cause excessive growth of algae and algal blooms. These blooms thrive on the nutrients and deplete the wat...

Researchers make surprise discovery that some neurons can transmit three signals at once

...uld eventually provide insight into the biological cause of these disorders and help to identify novel appr...mans can affect normal language development, would cause glutamate to still be released. Finding such an association would be intriguing, but for now this re...

The circadian clock: Understanding nature's timepiece

...when it's time to go to sleep. The same cells also cause you to be disoriented after you've flown across multiple time zones. The human circadian clock, comprised of about 20,000 time-keeping cells, has mystified scientists since it was pinpointed in the brain about 30 years ago. Now, a researcher at the ...

Of mice and men's (and women's) contraceptives

...ells. "There are many proteins whose deletion will cause male infertility, and others for creating female infertility, but not many that will lead to both male and female infertility without affecting the somatic cells." Animals deficient in the protein ?called MSY2 ?are infertile, but are otherwise healt...

Scientists discover how Ebola virus infects cells

...g Angola, is a filovirus, a family of viruses that cause severe and frequently fatal hemorrhagic fevers. "Finding medical countermeasures for viral hemorrhagic fevers is a global public health priority because not only do these diseases occur naturally but they also have the potential to be unleashed by bi...

Science study holds implications for gene therapy and stem cell biology

...ng" genes were activated that worked in concert to cause disease. The question left: What happens if only ...stem cells. While this puts these cells at risk to cause cancer, the majority of mice that were investigated in this study showed no signs of such side effec...

Important discovery about second most fatal cancer

...gn) Colorectal cancer is the second most frequent cause of death due to cancer (after lung cancer) in the ...ase but a group of diseases, each with a different cause and behaviour. The genetic basis of this new syndrome is not known but it is speculated that affecte...

Molecular thermometers on skin cells detect heat and camphor

...llow electrically charged ions to pass through and cause an electrical potential that signals the brain. Patapoutian and his colleagues discovered TRPV3 a few years ago by conducting a computer search through an early-assembled draft of the human genome. Its sequence similarity to other temperature-gated ...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...ist antibiotics have emerged, including those that cause TB, pneumonia, cholera, typhoid, salmonella, and s...istration (FDA), about 70 percent of bacteria that cause infections in hospitals are resistant to at least one antibiotic, and some are so resistant that no ...

Radio-tracking associated with 'dramatic shift' in water vole sex ratio

...onald: "Our analysis revealed that the most likely cause for the female decline was a shift in the sex rati...ces. "Radio-collars clearly have the potential to cause some stress to water voles, and it is possible that this might stimulate sex-ratio adjustment as par...

Newly Discovered 'Branding' Process Helps Immune System Cells Pick Their Fights

...e now investigating whether such modifications can cause T cells to attack the beta cells." Damaging oxidative reactions are also believed to play a role in atherosclerosis. Scientists suspect oxidative damage in the blood vessel walls may lead to immune reactivity that contributes to narrowing and stiffe...

Researchers find gene that may be at root of potato blight

...bing reports predict that potato late blight could cause food shortages and hunger in several parts of the ...op with P. infestans. Related Phytophthora species cause root rot in soybean plants as well as sudden oak death, which is devastating stands of oak trees alo...

WHO suspends Marburg work, appeals for new funds

...atalities but teams were unable to investigate the cause of death or collect the bodies for safe burial. Discussions have been held with provincial authorities to find urgent solutions. The dramatic symptoms of Marburg haemorrhagic fever and its frequent fatality are resulting in a high level of fear, whi...

Comprehensive biodefense text published

...ffects and treatment of established pathogens that cause diseases such as anthrax, plague, smallpox, brucellosis, glanders, and Q fever, and discuss what is known about the aerosol route of infection and the process of decontamination. Contained in the 25 chapters is an extensive discussion of preparation...

TrueBlue Archive Will Store Raw Life Sciences Data for Proteomics and Drug Testing

...ffects and treatment of established pathogens that cause diseases such as anthrax, plague, smallpox, brucellosis, glanders, and Q fever, and discuss what is known about the aerosol route of infection and the process of decontamination. Contained in the 25 chapters is an extensive discussion of preparation...

Gov't Creates Gene Database of Normal Human Tissues

...s. Scientists searching for genes that go awry and cause disease can use the NCI database as a crucial point of reference because it pinpoints which genes are expressed in many of the body's major organs under normal conditions, without known disease. Scientists can compare the genes from their own biolog...

Alarm pheromone causes aphids to sprout wings

...mone, (E)-â-farnesene, that has long been known to cause other aphids to walk around or drop from the plant. In a paper soon to appear in Ecology Letters, researchers at the University and Max-Planck-Institute in Jena, Germany, now show that exposure to alarm pheromone also causes pea aphids to produce wi...

Bee mites suppress bee immunity, open door for viruses and bacteria

...owever, simply having deformed wing virus does not cause bees to emerge from the pupa state with deformed wings, nor does it cause colony deaths. "A group of Japanese researchers found that a virus that is 99 percent the same as d...

Internet viruses help ecologists control invasive species

...on species. Thus, as the species spreads, it could cause loss of thousands of populations of zooplankton species in Ontario alone. ...

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