Tag: "adjusting" at biology news

DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows

...esting than the mice in the first group. "After adjusting for all possible variables, DHA was the only factor remaining that protected the mice against the synaptic damage and memory loss that should have resulted from their Alzheimer's genes," said Cole. "We concluded that the DHA-enriched diet was holdin...

Testing the fitness of biological clocks

... types of depression, sleep disorders and problems adjusting to changes in work cycles all can occur when an individual's biological clocks act up. Recent studies have even found links between these molecular time-pieces and cancer. Microscopic pacemakers--also known as circadian clocks--are found in everythin...

Plumbing trees' plumbing reveals their engineering skill

...ssive adaptive engineering of deep-rooted trees in adjusting the size and structure of their piping, or xylem, to maximize water uptake, maintain their integrity and avoid flow-blocking embolisms. In particular, the findings reveal how the deepest roots develop the largest conduits in order to draw deep water ...

Ocean scientists assess impact of seismic pulses in effort to protect whales

...r study, have already responded to the new data by adjusting the safety radius when they do research involving seismic sound generation," she says. "If a whale enters this radius, they shut down operations until it leaves."...

UCLA researchers recreate patterns formed by mammalian cells

...kel added, is to generate more complex patterns by adjusting the ratios of the two proteins BMP-2 and MGP. Such control would be useful for tissue engineering architecture producing replacement tissue in desired shapes and patterns. Demer also notes that the research may offer a greater understanding of how ...

Alzheimer's may leave some forms of memory intact

... characteristic property of a brain region that is adjusting its activity to function more efficiently as it becomes accustomed to a particular task. "This finding suggests there is a link -- although it doesn't prove it -- between activity reductions in frontal cortex and this type of learning," said Buckner....

Researchers find no link between alcohol consumption during pregnancy and asthma during childhood

...e during the first 12 years of their lives. After adjusting for maternal socio-economic, dietary and other lifestyle factors, the results indicate that children whose mothers drank alcohol during pregnancy did not have a greater risk of hospitalization for asthma compared with the children of mothers who re...

U.S. President's budget proposal means 5-year cuts 'well below historic levels'

...cord-breaking funding levels over five years after adjusting for inflation. Although the space exploration programs at NASA will benefit from large funding increases, all other R&D areas will decline dramatically over the next five years, including Earth Science (down 15.9 percent), aeronautics (down 16.2 per...

Should Roundup Ready soybeans be managed differently than conventional soybeans?

...eady soybeans compare. The study of the effect of adjusting management practices when using Roundup Ready soybean is published in the March-April issue of Agronomy Journal, published by the American Society of Agronomy. Authors are Michael Bertram, University of Wisconsin-Madison and Palle Pedersen, Iowa Stat...

New data on ant adaptability within their environment

...ea that some insects adapt to their environment by adjusting body size and the relative proportion of different castes within their population. Over the past 30 years, theoretical work on social organization has generated a number of predictions about how the colonies of eusocial insects, like ants and bees, ...

Celiac disease is a risk factor for schizophrenia

...cases per 1,000 in the larger control group. After adjusting for other factors associated with schizophrenia, the researchers determined that the risk of schizophrenia was three times greater with a history of celiac disease. Crohn's disease and ulcerative colitis were not associated with an increased risk of ...

Optically recording millisecond brain nerve impulses

... with nearly twice the energy -- to the sample. By adjusting the plane of focus, a multiphoton microscope can produce a vivid image deep within living tissue. And by "stacking" multiple images at various depths of focus, the system produces three-dimensional images or movies. Each action potential is a single...

Waste motor oil management may pose threat to health and the environment

...d ecosystems, but much less toxic to humans. After adjusting for each metal's relative toxicity and adding the results together, the researchers compared the effects of untreated used oil as fuel to both re-refining and distillation. In both comparisons, the toxicity potential of untreated oil was 150 times gr...

BRCA mutations not associated with colorectal cancer risk, studies suggest

...an increased risk of colorectal cancer, even after adjusting for the presence of a BRCA founder mutation. The authors conclude that Ashkenazi BRCA founder mutations do not confer a strongly elevated risk of colorectal cancer. Similarly, a family history of breast cancer does not appear to be a strong risk fact...

Research finds tumor preventive qualities, damage reversal, in green tea

...t varied by hogg1 status of the individual. After adjusting for baseline measurements and other potential fact...ary 8-OHdG and GTP biomarkers (EGC and EC). After adjusting for urinary creatinine levels, results showed a trace amount of GTP, including similar levels of ECG...

Lifestyle changes clinically effective

...hic films from the year prior to diagnosis. After adjusting for age, ethnicity, education, BMI, study site, number of children, and hormone-replacement use, a statistically significant 17 percent difference in breast tissue density was observed between the least active and most active pre-menopausal women wit...

UBC researcher discovers 'control room' that regulates immune responses

... for patients because treatment may be targeted by adjusting the "dial", says Jefferies. Immune responses may be increased to fight infection or reduced to help the body accept transplanted tissue or organs. The work was recently published online in Nature Immunology and will be the topic of an editorial when...

U of MN researchers find genetic variations may predict treatment responses for myeloma

...port thinking that physicians may optimize care by adjusting treatment according to a patient's specific genetic condition. The findings will be presented September 15, 2003 at the American Association for Cancer Research (AACR)-sponsored specialty meeting on "SNPs, Haplotype, and Cancer: Application in Molec...

Coping: Plant adaptability to stress discovered

...t will attempt to regulate itself when stressed by adjusting its cells to the environment before starting to grow again," Koiwa said. "It's as if a plant is saying to itself, 'wait, we're in a drought, let's adjust before we grow anymore.' "A plant must have a better stress handling technique," he added. ...

Gene variation in immune system cells lowers heart disease risk

...nificantly lower risk of heart disease, even after adjusting for age, sex and negative risk factors such as cigarette smoking, high cholesterol, diabetes and hypertension. Because previous studies established that mice lacking the CX3CR1 receptor also had reduced risk of heart disease, the NIAID scientists s...

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