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Tag: "indicators" at biology news

The insect vector always bites twice

...se antisalivary antibodies consequently seem to be indicators of the risk of malaria in endemic areas, that could be used to improve strategies of prevention and care of young patients in the context of seasonal transmission of the disease. The objective of the work conducted on human African trypanosomiasis...

Researchers use MRI to predict recovery after spinal cord injury

...erity of MSCC, bleeding and cord swelling were key indicators of a poor prognosis after SCI. Conversely, the absence of these symptoms indicated a good chance for neurological recovery even if the injury otherwise appeared severe. "Since the severity of spinal cord compression is a predictor of outcome after...

Scientists seek useful traits in wild cottons

...bility to lay eggs for another generation are good indicators of Lygus resistance, said Sheehan, who hopes to intensify her experiment in 2007. Raina King, a Texas Tech University graduate student, is working to develop 'cleaner' cottons that shed the small leaves (bracts) at the base of each boll a fe...

Genetic fingerprints identify brain tumors' origins

...ntribute to the formation of these tumors and find indicators that might help us predict which tumors will be relatively well-behaved and which will be more aggressive," Gutmann says. Previous studies have failed to produce any solid leads on the genetic alterations that predispose children to PAs. "It shou...

Red flag for repetitive stress injuries identified for first time in humans

... first time in humans, scientists have found early indicators of inflammation ?potential warning signs ?in work-...ll look deeper into the potential of biomarkers as indicators of injury and recovery. ...

Vitamins: Science doesn't always match policy

...ed to encourage good study design and to establish indicators of efficacy and safety in vitamin research," he concludes. "At best, the research needed to translate scientific knowledge into policy will require a robust interaction between the public and private sectors in a regulatory framework that supports an...

ESA launches new project to protect biodiversity

...n Biodiversity (UNCBD) agreed on a set of headline indicators to assess the progress made towards this target. DIVERSITY will make a contribution to the required monitoring efforts that will help us to determine whether we are making progress and which management and policy measures are most effective and there...

Mother knows best: Plant knowledge key to childhood health in remote Amazon

...ledge were more likely to have children with worse indicators of health and nutrition. For example, in families with mothers with low local plant knowledge, the researchers determined there is a likelihood of nearly one in five children being severely stunted, while families in which mothers possess high levels...

Light-based probe 'sees' early cancers in first tests on human tissue

...s. "The size and shape of cell nuclei are powerful indicators of this precancerous condition called dysplasia, which literally means 'bad growth'," Wax said. "Typically, nuclei are a fairly consistent size. However, when you go down the road toward cancer, you get irregular and enlarged cell nuclei. "Our dev...

Chemicals in brown algae may protect against skin cancer

...bstance prostaglandin E2, both of which are strong indicators of inflammation, and for cell proliferation rates. Animals treated with BAPs showed lower levels of both COX-2 and prostaglandin E2. The researchers found that the dietary BAPs reduced COX-2 activity by 74-82 percent, and that the topical BAP...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...ier heart and liver tissues, are positive clinical indicators and may mean we can stave off in humans age-relate...ncy for AMPK activation, as well as two downstream indicators of its activity. Calorie restriction and exercise have also been previously shown to increase th...

Math model predicts cancer behavior

...size and shape are evaluated, but they can be poor indicators of invasive potential: a very small tumor can be highly invasive. Even "molecular signatures" ?profiles of molecules that suggest how tumor cells will behave ?are not entirely predictive, he added. Quaranta and colleagues opted for a new approach ?...

Heart smart: new drug improves blood flow

...unknown. So clinicians have to rely on 'lifestyle' indicators and 'risk factors' such as high blood pressure and high cholesterol. "However, not all people with high blood pressure or high cholesterol experience heart attack or stroke At the same time, many people without any apparent risk factors have unexpe...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...n their abundance or diversity are often the first indicators of environmental impacts or changes. These groups of organisms are also the least understood, and many new species records for the NWHI, as well as the discovery of new species are likely during this expedition. Department of Land and Natural Reso...

Sex and the heart: It's not what you think

...lleagues examined changes between 1988 and 2002 in indicators related to cardiovascular disease. The research team used data on men and women 40 and older from two broadly representative samples of the US population, approximately 10 years apart. Among the findings: High risk blood pressure - both diastoli...

Special chip provides better picture of salmon health

...ecreased following infection, many of which may be indicators of disease. We have also looked at what other factors impact on these genes, such as nutrition. We are now working to encode this information onto a chip which could help farmers monitor the health and performance of their stocks through methods such...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

...e. In addition, levels of two chemicals, which are indicators for how well the brain’s nerve cells and nerve sheaths are constituted, rose significantly. The increase of the nerve cell marker correlated with the patients performing better in a test of attention and concentration. Only one patient seemed to cont...

Development of gene therapy

...onic granulomatous disease. There are also initial indicators that point to the efficacy of gene therapy in treating chronic lymphatic leukaemia and haemophilia B. But successes in clinical testing come with their share of setbacks, such as the currently slight margin of therapeutic effectiveness over unwanted ...

Smoking changes brain chemistry

...of Bonn. "Lower NAA levels have been implicated as indicators of neuronal or axonal dysfunction." Reduced NAA levels have been reported for a number of psychiatric and mood disorders, including schizophrenia, dementia and bipolar disorder, as well as in cases of substance abuse, particularly alcohol dependen...

A cleaner, greener rice industry

...tions (ASEAN) to develop a series of environmental indicators for rice production in the region. When implemented, the indicators will allow each country to monitor and compare the environmental impact of its rice production with ...

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