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Tag: "versus" at biology news

Research shows cord blood comparable to matched bone marrow

...body, it was associated with a lower risk of graft versus host disease, a potentially lethal complication, especially when HLA types are mismatched. Rates of leukemia relapse also are lower with mismatched umbilical cord blood transplants. This study also showed that in addition to having a good match, high...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

...ckage-free rate than unseeded controls (55 percent versus 0 percent). In addition, at eight weeks, there was an extensive remodeling of the MDSC-seeded polymer by surrounding tissue, exhibiting tissue formation that is consistent with a mature artery. According to Dr. Vorp, these findings in a rat demons...

Experts predict Tamiflu could halve the pandemic influenza death toll versus no intervention

...ation which would save $21 billion in the US alone versus no intervention. Adding other strategies such as school closures further reduces the attack and death rate and provides a health benefit at a reasonable cost. The research also showed that pre-pandemic vaccination programmes would play an important r...

Machine preservation may promote more organ sharing

...dy for a longer period of time (a mean of 24 hours versus 19 hours for the cold stored organs), both groups of recipients had similar survival and functional outcomes. In addition, the patients receiving machine-preserved kidneys had a 50 percent reduction in the rates of viral infections and delayed graft ...

Peramivir protects mice from lethal H5N1 infection

...e according to duration of administration (one day versus eight days); route of administration of peramivir (intramuscular injections alone versus intramuscular injections followed by oral administration) and frequency of administration on the fir...

Why do oysters choose to live where they could be eaten?

...ften. In fact, when a comparison of being captured versus landing on a suitable location to grow was conducted, it was found that more than 95 percent of an oyster reef is a safe zone for larvae. Given this low cannibalism risk at settlement, future payoffs appear to have driven the evolution of a gregariou...

Alien plants attack using 'resource conservation' as weapon, researchers say

...digenous plants-for example, an invasive raspberry versus a native raspberry. Using an electronic device that clamped onto the leaves of the plants, the scientists controlled the amount of light reaching the leaf and then measured photosynthesis and water-use rates. Later, they ground up and analyzed the le...

Traumas like Sept. 11 make brains more reactive to fear

...eople's brains responded to photographs of fearful versus calm faces, the scans of 11 people who were within 1.5 miles of the World Trade Center on Sept. 11, 2001, were compared with those who were living more than 200 miles away at the time; none of the subjects had psychiatric disorders. "We know that l...

Molecule that destroys bone also protects it, new research shows

...bout the molecules that contribute to host defense versus pathology is very important for gaining a fundamental understanding of the immune system," Gaffen said, "but also because the consequences of therapies that target these cytokines need to be understood." ...

Researchers publish first marsupial genome sequence

...h fewer chromosomes than the human genome (9 pairs versus 23 pairs, respectively) but a longer total length (3.4 billion versus 3 billion bases, respectively). ...

Bats get the munchies too!

...er Francisco Sanchez, “The perception of sweetness versus bitterness may vary according the type of sugar and the amount of ethanol consumed. The combination of sucrose and ethanol may just have tasted better than either ethanol and fructose, or ethanol and glucose?...

Individuals and populations differ in gene activity levels, not just genes

...ity are seen between different populations ?Asians versus Europeans, for instance ?more of those variations are due to individual-level factors, further obscuring the biological meaning of "race." The findings could also have major implications for medical research, as differing levels of gene activity ma...

New report: Explosive growth changes salmon industry

...report is that the debate should not be about wild versus farmed, but whether each method of production is being done right," says Dr. Gunnar Knapp, professor of economics at the University of Alaska, Anchorage, and one of the study's authors. The report found that the rapid growth in farmed salmon has ...

Individual differences in a clock gene predict decline of performance during sleep deprivation

...ing and evening activity levels—for example, "owl" versus "lark" tendencies. In the new work, a multidisciplinary research team consisting of biological scientists and psychologists compared how individuals possessing only the longer gene variant and those possessing only the shorter one coped with being...

When your brain talks, your muscles don't always listen

...lts showed lower firing rates among older subjects versus younger subjects--a diminished ability of the muscle fibers to "hear" and respond to the neurons' commands. "The repeated contraction of muscles is essential to movements such as walking," Knight said. "However, our muscles have a reduced capacity...

Rapid oral HIV test shows great promise according to MUHC-led research

...that the oral fluid test had 100 per cent accuracy versus the finger-stick blood test, which showed one false positive (99.7 per cent specificity). There was little reported discomfort during sample collection for the oral test, but 66 per cent of the individuals reported discomfort with the finger testing....

Researchers find gene mutation that causes infertility in male mice

...ose DNA sequence changes that are benign in humans versus those that disrupt sperm or egg production. The researchers are engaged in a project to identify ultimately all the genes needed for fertility in mice and apply this information to the human situation. ...

Genetic pathways to curable and incurable forms of pancreatic cancer identified

...less-traveled path toward cystic pancreatic cancer versus the well-traveled route to the more fatal form of ductal pancreatic cancer. Sunil Hingorani, M.D., assistant member of the Hutchinson Center's Clinical Research and Public Health Sciences divisions, led a study to be published in the March 12 issu...

Twin studies reveal genetic components leading to cardiac and kidney disease

...t are heritable, or passed down through human DNA, versus those determined by the environment, age or how a person cares for his or her health, factors such as medical care or diet and exercise. In a series of studies published in the American Heart Association journals Circulation and Hypertension, O’Conn...

How genetic malfunction causes a form of retardation

...tipotent precursor cells to generate one cell type versus another. Moreover, we have shown that the same constitutively activated SHP-2 that occurs in a subpopulation of NS patients causes aberrant neural development in mice, providing a potential explanation for the cognitive dysfunction and neuroanatomica...

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