Sentences with phrase «in young rats»

However, while 14 weeks of calorie restriction did not significantly affect the middle - aged rats, it reduced muscle mass in the young rats.

New research in young rats suggests that using your brain may help brain cells survive and could impact how the brain functions after puberty.

Effects of vitamin K2 administration on calcium balance and bone mass in young rats fed normal or low calcium diet.

In 2002 researchers at the Tokyo Metropolitan Institute of Public Health discovered that propyl paraben decreased sperm counts in young rats at and below the concentrations which the U.S. Food and Drug Administration considers safe for human consumption in food (Oishi 2002; 21CFR184.1670).

Now, Panksepp would be the first to acknowledge that his findings do not imply that rats have a «sense of humor,» only that there appear to be evolutionary contiguities between laughter in human children during rough - and - tumble play and the expression of similar vocalizations in young rats.

And he discovered that inducing laughter in young rats promoted bonding: tickled rats would actively seek out specific human hands that had made them laugh previously.

Booth's study, «Nucleus accumbens neuronal maturation differences in young rats bred for low versus high voluntary running behavior,» was published in the Journal of Physiology.

According to a recently published study in Frontiers in Neuroscience, Rutgers behavioral and systems neuroscientist Tracey Shors, who co-authored the study, found that the newborn brain cells in young rats that were successful at learning survived while the same brain cells in animals that didn't master the task died quickly.

In the study, the team found that the neural stem cells successfully engrafted onto the hippocampus in the young rats, which was expected, but the researchers were pleased to see that they also engrafted well in the older ones, which would be about 70 years old in human terms.

Quantity of sucrose alters the tissue pattern and time course of insulin resistance in young rats.

Early work also found Vitamin E prevented muscular dystrophy in young rats fed a vitamin E deficient diet.

«Intermittent fasting dietary restriction regimen negatively influences reproduction in young rats: a study of hypothalamo - hypophysial - gonadal axis.»

As noted above, when old rats receive high levels of both acetyl L - carnitine and α - lipoic acid, within several weeks, the combination greatly improves mitochondrial function, resulting in restoration of ambulatory activity and cognition (as assayed with the Skinner box and Morris water maze), heart, and immune function to levels seen in young rats.

Mammary tumors can occur in young rats but are typically diagnosed in rats over 18 months old.

Citing the study by the researchers in Tokyo, the European Food Safety Authority issued an advisory in 2004 that the presumed safe exposure level for propyl paraben in food was no longer valid because it affected sex hormones and the male reproductive organs in young rats (EFSA 2004).

The decision was based on research that showed the preservative affected sex hormones and sperm counts in young rats, according to Environmental Working Group (EWG), the health watchdog organization that recently conducted an analysis of the additive.