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Tag: "contribute" at biology news

Viral genetic differences are possible key to HIV dementia

...lion people infected with HIV, this study may also contribute to our general understanding of viral encephalitis," or brain inflammation caused by other viruses. "These results suggest that specific features of viral components themselves, and not just the immune response to viral infection, may be responsible ...

First human study confirms that immune cells can be a primary cause of bone loss in gum disease

...B cells (B and T lymphocytes are immune cells) can contribute to increased periodontal bone loss coordinating with activated T-cells. Both cell types had previously been found to manifest a host immune response to the bacteria causing bone loss in animal models, by his group. "This research validates our hy...

Everything in its place: Researchers identify brain cells used to categorize images

...imistic that research of this type will eventually contribute to a better understanding of neurological diseases and disorders. "Understanding how the brain learns, stores, recognizes and recalls visual information will help us overcome impairments to these functions caused from brain damage and diseases, incl...

Mushrooms as good an antioxidant source as more colorful veggies

...nt activity in the mushrooms, it may significantly contribute antioxidant activity in the body." The ORAC values found in the latest study indicate that mushrooms are potent anti-oxidant sources. The research revealed that, of the mushrooms tested, portabella mushrooms and crimini mushrooms have the highest OR...

Study finds how organs monitor themselves during early development

...e a gonad, a liver, or a thymus, different tissues contribute to the organ, and the growth of the different tissues has to be coordinated both during normal development and during regeneration." Tapping into that kind of powerful feedback loop could help treat many kinds of disorders and show how the power o...

Delft water-purification method promises radical improvement

...se. In the coming years, De Kreuk will continue to contribute to the project's trajectory as a Delft researcher. DHV is currently negotiating with water purification companies to test this purification method on a larger scale. The first installations are already in use in the industrial sector. ...

Purdue creates new low-cost system to detect bacteria

...tance between individual bacteria in a colony, all contribute to how a colony distorts light. The procedure identifies a bacterial colony by comparing an image of its scatter pattern against a template that contains 120 features described by Zernike polynomials. "A good analogy is the method used by law enfor...

Stanford snake venom study shows that certain cells may eliminate poison

...muli. When mast cells overreact to allergens, they contribute to the effects associated with allergy attacks, such as a runny nose, sneezing, itching and red eyes. When they severely overreact, they can cause anaphylaxis, which can be fatal. Given that tendency to overreact when stimulated by allergens, it se...

Chimpanzees can transmit cultural behavior to multiple 'generations'

...ltiple cultural generations." This research may contribute to a better understanding of how chimpanzees learn complex behaviors in the wild. "By conducting controlled cultural experiments with captive chimpanzees, we are able to learn more about wild population-specific behavioral differences, thought to rep...

Drug triggers body's mechanism to reverse aging effect on memory process

...m. The lingering presence of LTP also appears to contribute to BDNF remaining in the body, researchers said. "Ampakines work in two important ways to improve learning and memory," Lauterborn said. "They directly stimulate the connection between nerve cells, which has an immediate effect of boosting LTP. But t...

Atmospheric ozone recovering in mid-latitudes, report shows

...an activity are thought to cause ozone depletion - contribute about half of the overall-measured improvement, researchers said. "There is now widespread agreement in the scientific community that ozone is leveling off in the 18- to 25-kilometer region of the stratosphere because of the Montreal Protocol," Cunn...

A catalogue of proteins

... participate in failures of regulation. This could contribute to research into diseases which occur when communication between cells is disturbed. ...

Speeding discovery of the 'human cancer genome'

...e lots of alterations, only some of which causally contribute to the disease." "Genetically engineered mice, ...y came along for the ride with those that actually contribute to the cancerous cells' ability for unchecked proliferation or spread. Simply sorting through tho...

Researches discover gene critical for protection against septic-shock-induced death

... began looking into the genetic factors that might contribute to this syndrome. In 2002, Biswal and his colleagues discovered that Nrf2 acts as a primary regulator of most of the cellular antioxidant pathways and detoxifying enzymes that protect the body from a wide variety of environmental toxicants. In subseq...

Northern birds are fatter!

...f specific sites for migratory birds, and this can contribute to decisions about whether migratory sites are protected and which sites are prioritised for protection", explains Williams. Two techniques were used to study Western Sandpipers on their spring journey along the Pacific 'Flyway' from Mexico to Alas...

Inflammation and drugs to control this activity studied in a variety of tumors sites

...ns may be part of a complex milieu of factors that contribute to their development. Scheurer and Bondy used combined data from two studies: the Harris County Adult Glioma Study and the Bay Area Adult Glioma Study, led by Margaret Wrensch, Ph.D. at the University of California, San Francisco. As part of the stu...

AIDS-related cognitive impairment exists in two separate forms

...regulating crypt stem cell population dynamics and contribute to the stem cell origin of colon cancer," Boman said. "Our finding of a difference between miRNA expression in normal versus cancerous colon tissues should provide insight into mechanisms of colon cancer development and identify novel drugs to tre...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...regulating crypt stem cell population dynamics and contribute to the stem cell origin of colon cancer," Boman said. "Our finding of a difference between miRNA expression in normal versus cancerous colon tissues should provide insight into mechanisms of colon cancer development and identify novel drugs to tre...

Computer scientist sorts out confusable drug names

...lping a lot of people, and it's very satisfying to contribute to that." ...

Radiotherapy advance points way to noninvasive brain cancer treatment

...t being a scientist," she says. "If you can really contribute to humanity and do something that's useful for people, for sick people, it's really incredibly gratifying." John Morgan, (608) 877-2357, jmorgan@wisc.edu ...

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