Sentences with phrase «semi-starved lab mice»

It's just like the classic behavioral conditioning «Skinner Box» experiments that train lab mice to press a lever to get a food pellet whenever a light comes on.
You're the lab mouse.
Believe it or not, the ultra liberal look just as foolish (seriously: set the lab mice we are testing cancer treatments on free, but kill the unborn children because their mothers deserve not to have their lives ruined by stressful bundles of joy)
Of the brands tested, three diaper brands were found not to affect the breathing of the lab mice: American Fiber and Finishing Co., Gladrags organic cotton diapers, and Tender Care disposable diapers.
Six leading cotton and disposable diaper brands were tested; cloth diapers were not found to cause respiratory problems among the lab mice.
Another study published in 1999 by Anderson Laboratories found that lab mice exposed to various brands of disposable diapers experienced asthma - like symptoms, as well as eye, nose and throat irritation.
«We've little mini lab mice, our kids, who are going into this huge untested experiment,» Astorino said, during an interview with public radio and television in April..
The researchers mimicked cosmic - radiation exposure by briefly bombarding the brains of lab mice with high - energy particles.
In the new work, published June 10 in the journal Scientific Reports, Zhao, Reid and colleagues used a highly sensitive probe to measure electrical fields in the corneas of isolated eyes from three different lab mouse models with different types of diabetes: genetic, drug - induced and in mice fed a high - fat diet.
Lab mice bred to be «perfect» controls live a pampered lifestyle that alters their physiology.
Automatic gear shifting for safer and more efficient wheelchairs; a technique for harnessing terahertz spectroscopy; «humanized» lab mice; and cheaper, more accurate malaria testing — meet this year's crop of Lemelson - M.I.T. collegiate student prize winners
The researchers then used lab mice to determine how the decrease in natural intestinal flora might be worsening the disease.
Insight into how this venom overwhelms lab mice could lead to an antidote for people who suffer excruciatingly painful, reportedly even fatal, centipede bites, an international research team reports the week...
Scientists» long relationship with lab mice has been one of incremental advances to improve a flawed system.
For decades, wildlife documentaries have promoted the idea that Komodo dragons owe their success as predators to toxic bacteria in their saliva — a claim bolstered by a 2002 study reporting deaths among lab mice injected with their saliva.
Insight into how this venom overwhelms lab mice could lead to an antidote for people who suffer excruciatingly painful, reportedly even fatal, centipede bites, an international research team reports the week of January 22 in Proceedings of the National Academy of Sciences.
I have killed 261 lab mice, including one by accident.
RECIPE FOR DISASTER Despite the lab mouse's much greater weight, chemistry gives this centipede the decisive advantage.
Today, lab mice live in shoebox - size cages hundreds of thousands of times smaller than their natural ranges, and rats can't forage or even stand upright.
Then, in 2000, neuroscientist Anthony Hannan at the University of Melbourne in Australia decided to spice up the lives of his lab mice.
That's what the lab mice in a room stacked with nearly 900 cages on UM's medical campus deal with every time staff pick them up to clean their enclosures.
And whether high - fiber or low - fiber, a lab mouse's diet is «very undiverse,» Cryan notes.
Scientists had been searching in vain for such a gene since 1994 when Rockefeller University scientist Jeffery Friedman found that lab mice with a specific genetic mutation fail to produce leptin and as a result have uncontrollable appetites, and become huge.
Scientists all have go - to tools: Biologists have the lab mouse, while astronomers have the telescope.
The lab mice that survived exposure to the bacteria and viruses of the pet store rodents had stronger immune systems, suggesting to Masopust and Jameson that such dirty mice might be better for testing the safety of vaccines and new drugs.
«They have the genetics of lab mice, but they also have a microbiome from the outside world that promotes fitness.»
To see how those qualities played out behaviorally, Shatz gave her lab mice some challenging tasks.
In a report on the study, published Feb. 5 in Nature Neuroscience, researchers say the biochemical receptor, known as a G protein - coupled receptor, was present on nerve cells in the lower respiratory tracts of lab mice.
Rehermann and her colleagues then exposed offspring of the microbe - receiving lab mice to a flu virus and to conditions that would normally cause colon cancer.
The researchers then transplanted the gut bacteria from healthy, wild Maryland mice (which were most similar genetically to the lab mice) into the lab mice.
Researchers aware of this reality have now shown that transplanting gut bacteria from wild mice into «clean» lab mice has made those rodents less likely to die from the flu or develop cancer.
Altogether, about 92 % of the «dirtied» mice survived the flu, compared with just 17 % of «clean» lab mice, the researchers report today in Cell.
While lab mice can live about 2 years, many of the mice engineered to overproduce this protein, called Klotho, have celebrated third birthdays.
Concerned that the immune systems of clean mice might not be good proxies for the human immune system — no human is brought up in such clean conditions and fed such clean food — they housed lab mice with mice from a pet store.
The gut bacteria from the wild mice were fairly similar, but the microbiomes of the lab mice were significantly different, with fewer Bacteroidetes and Proteobacteria, for example.
Now, immunologists at the National Institute of Diabetes and Digestive and Kidney Diseases in Bethesda, Maryland, have contaminated lab mice in a different way: by giving them gut bacteria from wild mice.
Barbara Rehermann and Stephan Rosshart first collected 800 wild house mice (Mus musculus domesticus) in the Washington, D.C., metro area, and compared their DNA and gut bacteria both with a lab mouse strain and with wild mice from all over the world.
Semi-starved lab mice will not only live about 25 percent longer but will run a maze at three years with the facility of a well - fed mouse of six months.
The maximum life span of a normally fed lab mouse is a little more than three years.
Two compounds already approved for use in humans increased the survival of lab mice even after they were exposed to radiation
One of the most common weed killers used on suburban lawns in the United States depresses reproduction in lab mice.
Lab mice and rats have a maximum lifespan of about 3.5 years and yet regularly develop spontaneous cancers.
Pregnant female lab mice received the brew in their drinking water at four concentrations, from 400 parts per million (ppm) down to less than 0.04 ppm — equivalent to one drop of pesticide in 500 bathtubs of water, Porter says.
But recent studies in both humans and lab mice have suggested that motor neurons in the brain — the upper motor neurons — may be involved in disease progression, although the extent and significance of this involvement has remained unknown.
He has found that when a lab mouse misses its daily ration, B. theta consumes the globs of sugary mucus made every day by some cells in the intestinal lining.
All a team has to do is extend a lab mouse's life beyond the current record of 4.98 years — the equivalent of a 150 - year - old human.
In a remote Turkish village, researchers have located a family with a mutation in the leptin gene similar to the one found in lab mice, and — just like the mice — adults with two copies of the mutation are grossly overweight and don't ever go through puberty.
Then the mosquito injects what is now a potential anti-malaria vaccine like a fusillade of tiny torpedoes into a lab mouse or a human volunteer.
Coffin described how lab workers there had transplanted human prostate tumor cells into an immune - deficient lab mouse, a common procedure for procuring a colony of cells, or a human cell line, for further study.
Research confirmed their findings on lab mice engineered not to produce TRPA1.
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