Sentences with phrase «laboratory rats»

At one point in the lecture, the speaker told a story about the levels of aggression he had witnessed in laboratory rats placed in stressful situations.

The ability to make this conversion varies widely not only between species but even between strains of laboratory rats, and has not been determined in humans.

In the 1930s researchers discovered that laboratory rats fed a limited diet live about 40 % longer than normal and are resistant to many chronic illnesses typical of aging.

Groups of laboratory rats exposed to heavy ions — as well as groups bombarded with conventional radiation — show an impairment of motor skills.

The robot, in turn, shares that space with a free - roaming laboratory rat.

A biology and geology teacher, he started an outreach project that gave elementary school children the opportunity to observe and experiment with the behavior of laboratory rats.

Women were once again used as laboratory rats, much as they had been used in the early days of oral contraceptives, IUDs, silicone breast implants, and the Norplant contraceptive.

Schoolchildren in Portugal were taught the scientific method using laboratory rats as school pets.

Although their findings were published a month ago, the experiment didn't trigger outrage until the past few days, after blogs and essays in The New York Times and The Atlantic raised red flags about the ethics of treating people like laboratory rats without their permission.

Studying laboratory rats, Rutgers scientists found, however, that within a month after experimental brain injury, the number of new brain cells declined dramatically, below the numbers of new neurons that would have been detected if an injury had not occurred.

They then induced Parkinson's symptoms in laboratory rats by killing the rodents» dopamine - producing neurons with toxins, and injected the viruses into the damaged tissue of some of the animals.

Searching for clues to complex human social behaviors, the team developed a procedure in which laboratory rats — much like humans — prefer to approach distressed juveniles but avoid distressed adults — responses known as social affective behaviors, according to the article titled «Insular cortex mediates approach and avoidance responses to others in distress.»

Experiments with laboratory rats, stand - ins for humans in such early tests, showed that the carrier delivered aspirin to areas of blood vessels where clots were forming.

\ n \ nI will never forget March 1, 2002, when I held a formerly paralyzed laboratory rat in my hand, and felt the little muscles working again — while my paralysed son Roman Reed sat in his wheelchair a few feet away.

It is well known, based on the long term and global research of T. Colin Campbell, author of «The China Study» and featured in «Forks Over Knives», that when humans and laboratory rats eat more than 10 % of their total calories coming from animal proteins (casein), there is a much higher incidence of developing cancers in both species, not to mention more heart disease, osteoporosis, and other inflammatory diseases in humans.

The pilot study, conducted by Dr. Keiko Abe of the University of Tokyo's Graduate School of Agricultural and Life Sciences, showed that healthy laboratory rats fed a diet in which some of the carbohydrate was replaced with pure maple syrup from Canada, yielded significantly better results in liver function tests than the control groups fed a diet with a syrup mix containing a similar sugar content as maple syrup.

Kendall shares her home with five cats (Whiskey, Benson, Clyde, Moxxi, and Momma Steve), four rescued laboratory rats (Nelliel, Amumu, Waffles and Theodore), two hermit crabs (Pops and Walter), a crested gecko (Anders), and a red - footed tortoise (Trevor).

This data came from laboratory rats that were fed abnormally large amounts of raw egg white proportional to their bodyweight.

Rachel Rosenthal designed a billboard dealing with animal rights for laboratory rats.

Dogs are not intended to be caged animals like laboratory rats.

Alarmed by DMSO's sudden popularity and worried about misuse of it, the U.S. Food and Drug Administration banned the substance for medical use in 1965, citing a study that suggested it caused eye damage in laboratory rats.

With the increased use of large numbers of laboratory rats in the last century, this disease has been seen most often in laboratory animal workers in the US, as well as in poor populations.

I have done a little work on developing model behavioral assay procedures for studying the experiences of laboratory rats.

So with wheat germ agglutinen if I feed 1 mg, a tiny little speck, of purified wheat germ agglutinen to a laboratory rat, its intestinal tract will be destroyed.

In laboratory rats, exposure to BPA has been linked to an increased risk of some cancers, decreased sperm counts and reduced fertility, and hyperactivity.

Borrowing Carlezon's technique, Josselyn injected viruses loaded with the CREB gene directly into the lateral amygdala of laboratory rats» brains — the region of the amygdala that works as «fear central» in all mammals.

(see Graphic) Laboratory rats should be spared some of the pain and injury caused by clumsy handling now that novices can practise on artificial rats before being let loose on live ones.

Last year, the Department of Agriculture began procedures to extend the 1970 Animal Welfare Act to cover more than 20 million laboratory rats, mice, and birds — about 95 percent of all research animals.

In laboratory rats, they found that lithium salicylate and lithium lactate exhibited «profoundly different pharmacokinetics» when compared to the FDA - approved and widely used lithium carbonate.

Unfortunately, laboratory rats and mice are not up to the job.

Schurink's new µSEA (micro sieve electrode array) has been tested with living cells, from the brains of laboratory rats.

Smith's team has studied three strains of laboratory rat and compared their responses to tamoxifen.

By DEBORA MacKENZIE If you were a laboratory rat, and could live anywhere in Europe, you would do well to choose Switzerland.

Rabbits are more similar to humans than laboratory rats or mice, which explains why Jean - Paul Renard, a developmental biologist at the French Agronomy Research Institute in Jouy - en - Josas, spent the better part of three years figuring out how to clone them.

First, Nakashima and his colleagues photographed three laboratory rats as they sat in what he calls a «neutral» position — a kind of normal, everyday, unruffled rat pose.

However, electric field brain stimulation has produced seizures in laboratory rats, a phenomenon known as kindling, Wong notes, so «I would be concerned most with whether there would be seizures [in humans].»

Laboratory rats will drink alcohol if it's available, and may even get a little tipsy, researchers report in a new study.

Using computer models and laboratory rats, Johns Hopkins researchers have demonstrated that «direct electrical current» can be delivered to nerves preferentially, blocking pain signals while leaving other sensations undisturbed.

To keep bacteria in check, Mary H. Perdue of McMaster University in Hamilton, Ontario, and her colleagues fed laboratory rats a special dietary supplement.

So yes, some laboratory rats are more prone to cancer.

Today, more than half of all laboratory rats trace their genealogy to the Wistar rat.

All laboratory rats are part of the same species: the Norway, or brown, rat.