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Tag: "slowed" at biology news

Some good news for the world's poor

...China andIndia, the increase in experimental yield slowed down in the 1990s. "One of the reasons is a lack of agricultural research investment at both the national and international levels," he warns. "The budget of the International Rice Research Institute has also been severely cut in recent years. IRRI'...

Researchers develop new method to help find deadly malaria parasite's Achilles heel

...n under controlled laboratory conditions have been slowed because techniques designed for other organisms work poorly with Plasmodium because 80 percent of its genome is comprised of only two of the four building blocks of DNA. Stanly Fields, a professor of genomic sciences at the University of Washington ...

Taking a bite out of a fellow worker helps wasps recruit new foragers

...r of continuous monitoring. "The rate of foraging slowed down and stopped completely, placing stress on the colony because materials the colony needs, primarily food, are not coming in. So the colony needs to recruit new workers to make up for the loss," O'Donnell explained. On the final day observers wa...

Cell therapy slows progression of an inherited neurological disease; Improves motor skills in mice

... progression of a type of genetic brain disease is slowed and symptoms are improved in mice that received cell transplants. The new study, published in the March 22 issue of The Journal of Neuroscience , may have implications for developing new therapies for metachromatic leukodystrophy, or MLD, a fatal, ...

Study finds drug may cut down involuntary movements

...mmon side effect was sleepiness, but restlessness, slowed movement and depression were also seen in some subjects. Suicide is common in Huntington's disease, and one subject committed suicide during the study. Patients will also need close supervision so that suicide can be prevented." ...

New compound stops brain cell degeneration in Alzheimer's disease

...researchers found that 188WH and related compounds slowed or reversed the progression of the neuroinflammatory cascade and reduced human amyloid beta-induced glia activation in a mouse specially designed to develop many of the signs of Alzheimer's disease, including neuroinflammation, neuronal and synaptic ...

Salk researchers make fast strides towards understanding how our body controls walking

...in spinals cords lacking functional V1 neurons had slowed to a crawl. "From what we knew about these cells, we were a bit puzzled at first because we had expected to see a loss of coordination," said Goulding. "But after delving into the circuitry further, it made perfect sense. Once excited, motor neurons...

New Research Shows Artificial Light at Night Stimulates Breast Cancer Growth in Laboratory Mice

...hat extended periods of nighttime darkness greatly slowed the growth of these tumors. The study results mig...ted from subjects while in total darkness severely slowed the growth of the tumors. “These results are due to a direct effect of the melatonin on the cancer c...

Study fishes out new role for prostaglandins

...d with the inhibitor, gastrulation was arrested or slowed down significantly. The resulting embryo was also shorter than an untreated embryo. "What is spectacular," said Solnica-Krezel, "is that…if you just put some prostaglandin back in the culture medium, you rescue the phenotype." In another set of e...

UF scientists test improved gene therapy method for hereditary heart conditions

...ut efforts to begin testing it in people have been slowed by the need to find ways to deliver corrective genes easily and efficiently, so they go where they are needed. A number of conditions, for example, affect both heart and skeletal muscle and will require the widespread delivery of genes throughout the...

UF scientists restore sight to chickens with blinding disease

...long-lasting -- scientists have restored sight and slowed degeneration, but the retinal cells still degenerate. But Semple-Rowland thinks the time necessary to turn these research results into a treatment for patients will be a fraction of the 20 years that have gone into discovering the genetic defect and...

Elephants, large mammals recover from poaching in Africa's oldest national park

...toll on wildlife and the rate of recovery is being slowed as a result, but it is clear that the efforts of ICCN and its partners are finally leading to a reduction in the level of poaching." Established in 1925, Virunga National Park remains the most species rich park in Africa. It once boasted the highest...

Tumor wizardry wards off attacks from the immune system

...th pancreatic cancer, simply depleting T-reg cells slowed tumor growth and increased survival time. "We're looking at several potential ways to interfere with tumor recruitment of T-reg cells," Linehan says. "We'd like to see these findings advance cancer immunotherapy. We want to find a way to actively su...

Jellyfish dominate fish in over-harvested Namibian waters

... for oceanic ecosystems--such consequences include slowed or attenuated fish-stock recovery and alterations in the nature of carbon cycling. ...

Corals switch skeleton material as seawater changes

...alogically to altered seawater chemistry, doing so slowed the corals' rate of growth by nearly 65 percent. "This provides us with further evidence that corals are extremely sensitive to rapid environmental change, such as global warming," he said. ...

Complexity constrains evolution of human brain genes

...ds of genes expressed in brain tissue has actually slowed since the split, millions of years ago, between hu...at genes expressed in the human brain have in fact slowed down in their evolution, contrary to some earlier reports," says study author Chung-I Wu, professor ...

UCSD researchers discover internal compass of immune cell

...disoriented, while blocking A3 adenosine receptors slowed down the cell movement toward chemoattractants. The researchers also found that drugs which interfere with the amplification system impair cell migration to inflamed tissues. "These findings are very important because they suggest that novel clas...

Edge density key to controlling gypsy moth spread

...searchers suggest that "the invasion might also be slowed by suppressing outbreaks near the invasion front (within the populated area), to reduce the number of dispersers to below the donor threshold." This would decrease edge populations and prevent the periodic surges of growth that expand the territory. ...

Fast test for low blood flow in dogs detects early heart trouble

...and accurate means of tracking blood that has been slowed down by narrowing of the coronary arteries. Researchers say it took them less than half the time of exercise stress tests and echocardiograms currently used to find early warning of vessels more likely to become blocked and cause heart attack. T...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

...m lead exposure include shortened attention spans, slowed motor coordination and heightened aggressiveness, which can lead to problems in school and diminished economic productivity as an adult. And the consequences of childhood neurotoxicant exposure later in life may include increased risk of Parkinson's ...

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