In another experiment, mice lacking the cells that produce serotonin scratched less
than normal mice when exposed to a skin irritant.
Not exact matches
Aside from a food intake in laboratory
mice that's about 40 percent fewer calories
than normal, however, it's been found that another way to activate this pathway is with rapamycin, which appears to have a significant impact even
when used late in life.
When they next measured responses in the auditory regions of the brain, a more sensitive test, the
mice responded to much quieter sounds: 19 of 25
mice heard sounds quieter
than 80 decibels, and a few could heard sounds as soft as 25 - 30 decibels, like
normal mice.
These modified
mice had significantly smaller testes and lower sperm counts
than their
normal counterparts — and
when the group bred them with
normal females, they found that the litter size was around half
normal.
When the researchers examined mice with disrupted IL - 27 function, they found that they were more likely than normal mice likely to die when infected with the virus, and that they died as a consequence of rampant lung inflammat
When the researchers examined
mice with disrupted IL - 27 function, they found that they were more likely
than normal mice likely to die
when infected with the virus, and that they died as a consequence of rampant lung inflammat
when infected with the virus, and that they died as a consequence of rampant lung inflammation.
The NK1R - deficient
mice consumed far less alcohol — especially later in the trial
when alcohol concentration was higher —
than the
normal mice did.
Using
mice in which the production of the enzyme was blocked, the researchers found that
mice lacking FIH in their muscles require more oxygen
than normal when exercising.
When the researchers then induced stroke in
mice either with or without the PARP gene, they found that the resulting tissue damage in the
mice without the enzyme was 80 % less
than in
normal mice.
When the
mice died at 31 weeks, their brains had 20 % fewer neurons
than normal mouse brains in regions that Huntington's strikes in people.
When they exposed these
mice to the cold, the animals developed far fewer beige fat cells
than did
normal animals, suggesting that macrophages were key to browning of white fat.
When the
mice were treated with the anthracycline doxorubicin, they survived more
than normal mice and their heart function was completely preserved.
Mice with a disrupted biological clock slept less, ate more, and gained more body fat than normal mice, indicating that, when it comes to understanding the molecular basis of obesity, timing may be
Mice with a disrupted biological clock slept less, ate more, and gained more body fat
than normal mice, indicating that, when it comes to understanding the molecular basis of obesity, timing may be
mice, indicating that,
when it comes to understanding the molecular basis of obesity, timing may be key.
The scientists also noticed that Clock
mice slept about one to two hours less
than normal mice, and
when they weren't sleeping, they were eating.
On the other hand, as they aged, these «knockout
mice» grew fatter
than the
normal mice, especially
when fed a high - fat diet.
The quest for better opioids got a much - needed jolt in 1999,
when researchers at Duke University showed that
mice lacking a protein called beta - arrestin 2 got more pain relief from morphine
than normal mice did.
The fact that Connexin 30 knockout
mice had a higher number of grafted cells
than normal mice, and that some of the grafted cells expressed CONNEXIN 30 is a very important finding
when considering cell transplantation as a treatment for hereditary hearing loss caused by CONNEXIN deficiency.
And, consistent with other studies,
when these
mice ate a high - fat diet, they gained weight faster
than their
normal counterparts.
When the researchers injected extra copies of the betatrophin gene into the liver of
normal mice, the animals» pancreases responded by making as much as 30 times more β cells
than usual.
Yet
when Evans and his colleagues recently gave a PPAR & # 948 - boosting drug to
normal adult
mice, the rodents developed no greater stamina
than nondoped counterparts — until the researchers had the animals combine the drug with a workout routine.
Earlier studies had suggested that animals — including fruit flies, dogs and
mice — live longer
when they ate about 25 percent fewer calories
than normal.
When the researchers induced wounds in these
mice, they found that the
mice without TSP2 healed significantly better and faster
than other
mice that had diabetes along with
normal levels of TSP2.
They also found that
mice genetically altered to have reduced AIM2 function,
when treated with the chemicals, showed significantly more tumors
than normal mice.
But the
mice were fed food containing higher -
than -
normal levels of the heavy isotope so that
when the
mice ate this food, their bodies absorbed the nitrogen isotopes and used it for several purposes, including to make GFAP molecules.
But
when they looked at the activity in the bad NMDA channels, they found more in HD
mouse brains
than normal mouse brains.
Remarkably, outcomes following loss of the switch mirrored what the group had previously observed
when they physically removed the gene itself: the lungs of mutant
mice contained many more melanoma cells
than did lungs of
normal mice.