Sentences with phrase «newborn rats»

To see if they would indeed behave like heart cells, they mixed some of these in with cultures of heart cells from newborn rats.

Back in 2011, for example, her lab demonstrated that beta cells in newborn rats are immature cells with very different gene expression and function than adult beta cells.

Here we introduce neonatal novelty exposure, a recently developed neonatal stimulation paradigm, to dissociate two major sources of contribution to the psychological development of newborn rat pups: one from an indirect effect of maternal individual differences and the other from a direct effect of pup stimulation.

Meaney found that out in an experiment involving newborn rat pups.

But when the researchers gave newborn rats a drug that mimics the effect of endocannabinoids on brain cells, the rate of cell division in females slowed to the same pace observed in male brains.

The researchers gave groups of newborn rats low doses of one of four different endocrine disruptors during a critical period of liver development: the three days immediately after birth.

Through the ureter, they fed kidney cells from newborn rats, re-coating the labyrinthine tubules and ducts that make up the kidney's urine filtration system.

Effects of caffeine on the saturated and monounsaturated Fatty acids of the newborn rat cerebellum.

While in graduate school in the mid-1980s, he transplanted retinal tissue into a newborn rat with impaired vision.

To counter alcohol's effects, Redei and her colleagues gave doses of thyroxine, a thyroid hormone, to newborn rats that had been exposed to alcohol before birth.

In 32 newborn rats, the spinal cord was severed and a piece of embryonic spinal cord grafted in its place.

Electrical stimulation showed the resulting limb had a grip strength 80 percent that of a newborn rat's.

So, when the UI researchers noticed an increase in brain activity while the newborn rats were twitching during REM sleep but not when the animals were awake and moving, they conducted several follow - up experiments to determine whether sleep twitching is a unique self - generated movement that is processed as if it lacks corollary discharge.

The team started with decellularized adult rat lungs, which retain the organs» branching airways and blood vessel network, and added a mixture of lung cells from newborn rats.

In the new study, newborn rats were exposed to 0, 25, or 50 milligrams of manganese per kilogram of body weight per day, for either the first 21 days after birth or for the duration of the study (about six months).