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Tag: "were" at biology news

Smallpox outbreak: How long would it take for vaccines to protect people? Would it work?

...tion. General routine vaccinations for smallpox were stopped in the United States in 1971, and the worl...preventing the spread of the disease. "If there were a release of the smallpox virus, we would vaccinate people immediately after the release," Frey said...

Hawaiian treasure, macadamia nuts good for the heart

...ated cholesterol levels, normal blood pressure and were not taking lipid lowering drugs. Researchers rando...almonds," says Griel. Individual calorie levels were used for each participant so that they did not gain or lose weight during the study. Both diets were...

Pistachios lower cholesterol, provide antioxidants

...o-week break between each diet. All three diets were variations on the Step I Diet, a cholesterol-lower... "We had really good compliance and participants were generally pleased with the diets," says Gebauer. Standard blood tests determined the various cho...

Resistant HIV quickly hides in infants' cells

...esults showed that five of 21 HIV-positive infants were infected with drug-resistant HIV transmitted from ...s—a surprisingly high figure. Of those five, four were resistant to non-nucleoside reverse transcriptase inhibitors (NNRTIs), a common class of antiretrovi...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...oved memory in both males and females, the results were more pronounced in males. Dr. H. A. Morcos, chair... that nNOS (neuronal nitric oxide synthase) levels were significantly higher in the hippocampus and cortex of statin treated groups as compared to similar m...

Early exposure to indoor fungus molecules may protect infants against future allergies

...e allergies. The UC team found that infants who were exposed to high levels of indoor fungal components...hood Allergy and Air Pollution Study (CCAAPS), who were identified as being at greater risk for future allergies because at least one parent had known aller...

Puzzling plankton yield secrets to role in evolution/global photosynthesis

...iego; and the Pierre & Marie Curie University, were published this week in the Proceedings of the National Academy of Sciences (PNAS). Ocean-dwelling phytoplankton from the genus Ostreococcus emerge at the primitive root of the green plant lineage, dating back nearly 1.5 billion years. Today, these ...

Mice with a migraine show signs of brain damage

...r the age of 45, those who suffered from migraines were much more likely to have the type of brain damage ..., bringing more oxygen overall to the brain, there were still pockets of severe hypoxia. The brain was working so hard to restore the chemical balance and t...

A cherry on top: Tart cherries may alter heart/diabetes factors

...s that are found in tart cherries. The new results were given today in an oral presentation at the Experim...ys beginning in their sixth week of life, the rats were fed either a carbohydrate-enriched diet or a diet that, by weight, included 1 percent cherries or 10...

Climate change was the cause of Neanderthal extinction in the Iberian Peninsula

...ch Neanderthal isolation and, possibly, extinction were due to environmental factors. ...

Hearts of male and female rainbow trout are different

...ons, but gender was not specifically examined. Nor were comparisons made between male and female fish (the...gy Uniform ventricle strips or transverse rings were cut from 10-12 month old, hatchery raised, sexually-immature male and female rainbow trout. Each str...

Machine preservation may promote more organ sharing

...from older deceased donors based on whether organs were preserved by pump or cold storage. "The critica... included 120 ECD kidney transplants -- 95 kidneys were preserved with machine and 25 with simple cold storage preservation techniques. Despite the fac...

Madagascan tropical forests return thanks to better management and well-defined ownership

...is much more complex than previously thought. "We were surprised to find the highest deforestation rates in an area with low human population density and large distance to markets, while the area with highest population density had stable forest cover," says Thomas Elmqvist, Professor at the Stockholm Re...

Does amateur boxing cause brain damage?

...archers used lumbar puncture to determine if there were elevated levels of biochemical markers for brain i...rospinal fluid (CSF) of 14 amateur boxers. Boxers were tested after a fight and then again three months after rest from boxing. The study also included 10...

'Personality-gene' makes songbirds curious

...ird, they discovered 73 polymorphisms, of which 66 were so-called Single Nucleotide Polymorphisms (SNPs), .... The results from the group of selected birds were confirmed with data from free-living, unselected great tits. In the forest-living birds, the scienti...

Technique monitors thousands of molecules simultaneously

...d for the desired reaction at only electrodes that were turned on. To keep the palladium(II) from going to.... In this way, nothing happened at electrodes that were not being used. Reversing the polarity of things "The chip is an ongoing battle between active...

'Insulator' helps silence genes in dormant herpes virus

...ancers" during development. "If the element we were testing was an insulator, then only one enhancer w... cells in culture. "Based on these findings, we were able to identify this element as a kind of chromatin insulator that helps HSV-1 maintain a balance i...

Peramivir protects mice from lethal H5N1 infection

... Antiviral Research in Palm Springs, Calif. "We were surprised to see a 40 percent survival rate among mice after just a single dose of peramivir," said Elena A. Govorkova, Ph.D., a scientific manager in the Infectious Diseases department at St. Jude. Govorkova is the paper’s senior author. "Our fin...

pHLIP, a novel technology to locate and treat tumors

...ason that the NIH and DOD support basic science—we were working on the principles of membrane protein folding, and made a discovery with important medical implications that wouldn’t have happened without the ideas and approaches used in that work,?Engelman said. Among the applications the team is activ...

Amphibians in losing race with environmental change

...e and successful vertebrate animals on Earth. They were around before the dinosaurs, have lived in periods... as birds or mammals. "Historically, amphibians were adept at evolving to deal with new conditions," Blaustein said. "What they are doing is showing us j...

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