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Tag: "factors" at biology news

Ethanol and biodiesel from crops not worth the energy

... assessing inputs, the researchers considered such factors as the energy used in producing the crop (including production of pesticides and fertilizer, running farm machinery and irrigating, grinding and transporting the crop) and in fermenting/distilling the ethanol from the water mix. Although additional c...

Scientists use gene transfer technology and common virus to block neuropathic pain

...sed their HSV vector to deliver other neurotrophic factors and pain-suppressing drugs to spinal ganglion cells. But Fink says the effect of the GAD-expressing vector is substantially greater for neuropathic pain, because it helps correct the reduction of GABA in the spinal cord. He also emphasizes the excell...

Using the genomic shortcut to predict bacterial behavior

... assessing inputs, the researchers considered such factors as the energy used in producing the crop (including production of pesticides and fertilizer, running farm machinery and irrigating, grinding and transporting the crop) and in fermenting/distilling the ethanol from the water mix. Although additional c...

Experimental shingles vaccine proves effective in nationwide study

... shingles, though not all will. The two major risk factors are increasing age and declining immunity. Half of all people who live to age 85 will get the disease. Experts estimate more than a million new cases of shingles occur in the United States each year. The trial was conducted at 22 study sites nationw...

Elusive salamanders have role in developing new sampling models

...d to identify the relative importance of different factors for predicting the presence of salamanders. This process will provide valuable information for the management of flatwoods salamander habitat. A final component of the project is technology transfer, as this research is expected to produce results a...

Women feel more pain than men, research shows

...g increasingly clear that social and psychological factors are also important," said Dr Keogh. One example o...c with chest pain, researchers discovered that the factors that predicted pain in men and women were different. Researchers believe that it is the fear of anx...

Studies clarify risk factors for mother-to-child transmission of hepatitis C virus

...usceptibility or response to infection. Other risk factors significantly associated with transmission were the time in labor (a risk factor in both studies) and use of internal fetal monitoring devices (a risk factor in the U.S. study only). Although breastfeeding is a known risk for HIV transmission, both ...

No single gene for ageing

...ance or repair of the body over time. But genetic factors do exist. "Approximately 25 percent of how a person ages is inherited from parents," says Kirkwood. "Stress, environment, nutrition, lifestyle and immunity play an additional role. Great variation between individuals can be seen in organisms such as ...

OHSU researchers discover potential mechanism to repair brain damage linked to Multiple Sclerosis

...ersity researchers have identified some of the key factors that prevent the repair of brain damage caused by multiple sclerosis (MS), complications of premature birth, and other diseases and conditions. The findings offer important clues about why the nervous system fails to repair itself and suggest ways th...

Molecular Partners Required For Appropriate Neuronal Gene Repression

...ersity researchers have identified some of the key factors that prevent the repair of brain damage caused by multiple sclerosis (MS), complications of premature birth, and other diseases and conditions. The findings offer important clues about why the nervous system fails to repair itself and suggest ways th...

Tissue regeneration operates differently than expected

...ocesses in a paracrine way by delivering mediating factors rather than by simply becoming components of the regenerating organ. (Genes & Development, August 2005). Stem cells are fully unspecialised cells which can develop into all kinds of cell types. Embryonic stem cells provide the origin of a develo...

A 'dimmer switch' for genes

...ancer, grow out of control. The connection between factors such as Ets-1 and a number of cancers prompted the study of how it works. One way proteins are controlled occurs after a cell creates a protein. Graves illustrates this process by comparing protein structure with beads on a string. "After the protei...

Researchers discover key to human embryonic stem-cell potential

...job is to regulate gene expression. (Transcription factors are really the genome's primary movers, overseeing...rch team discovered that while these transcription factors activate certain genes essential for cell growth, they also repress a key set of genes needed for an...

Bacteria in Household Dust May Trigger Asthma Symptoms

...r. Schwartz, Director of NIEHS. “Understanding how factors such as duration of exposure, timing of the exposure, and genetic factors, contribute to the development of diseases like asthma will lead to new insights into how to prevent and treat this important disease.?NIEHS is implementing new studies to bett...

Researcher says flu responders can learn from 1918 epidemic

...ctions and malnourishment. All of those high-risk factors are found in combination in the nation's inner cities, he said. "With the 1918 flu, though, the exact opposite happened," he said. "Those who tended to be very vulnerable were those between the ages of 20 and 40, which really points up the folly of...

Study provides insight into cellular defenses against genetic mutation

...CBP80 interacts with human up-frameshift proteins, factors that come together at exon-exon junction complexes to drive NMD review. The three up-frameshift proteins work together to trigger decay once an early nonsense codon is detected, most likely by recruiting enzymes that remove the tail and cap from susp...

New cell transplantation technique restores insulin production in diabetics

...h as heart attacks. Both genetic and environmental factors contribute to the disease. ...

Hand sanitizer gel works

...with the control group, after adjustment for other factors such as the number of young children in the household. In addition, families reporting higher amounts sanitizer usage (more than 2 oz in 2 weeks, indicating 4-5 uses per day) were about 20 percent less likely to transmit respiratory illnesses, but t...

Plant genes identified that can form basis for crops better adapted to environmental conditions

...22; be under optimal control. Although the precise factors that underlie these processes and how they work to...it has been quite clear that an enormous number of factors are involved. Tom Beeckman and his team in the VIB Department of Plant Systems Biology took on the...

Researchers learn how blood vessel cells cope with their pressure-packed job

...ls, but scientists currently understand few of the factors responsible for generating that configuration. Rubber bands and most other flexible materials react to stretching by forming stress wrinkles parallel to the direction in which they are being pulled. However, the healthy bovine aorta endothelial cell...

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