Sentences with phrase «of rodent studies»

Not exact matches

The study, just published in Science, showed that the creation of what the researchers are calling microtumors can help predict drug effectiveness in cancer patients better than the current standard method of testing the drugs on rodents.

A native of Alice, Texas, Allison had somehow ended up in crunchy Northern California — at UC - Berkeley, no less — studying the immune systems of little white rodents.

It is apparently a myth that lemmings commit mass suicide by jumping of cliffs, according to wildlife biologists who have studied the rodents.

Start with the studies done by Jane Goodall, and then continue with a HUGE variety of other animal studies that PROVE animals have morals, they use tools, build societies and cultures, have their own languages (such as the prarie dogs... simple little rodents right?

The same UCSF team of researchers had another paper published last month (November 2017) by the open access journal PLOS Biology titled, «Sugar industry sponsorship of germ - free rodent studies linking sucrose to hyperlipidemia and cancer: An historical analysis of internal documents.»

Neuroscientists have over the past decade uncovered evidence, both in rodent and human studies, that parental caregiving, especially in moments of stress, affects children's development not only on the level of hormones and brain chemicals, but even more deeply, on the level of gene expression.

With the support of her rodent - tolerant family, she studied the effects of varying thyroid hormone levels on the physical characteristics of a small rat colony she housed in her living room.

Moreover, recent studies on rodents indicate that the internal clock also affects how the metabolism responds to the intake of carbohydrates or fats, and that certain time frames are more suitable than others for the consumption of a high - carbohydrate or a high - fat diet, seen from a health perspective.

Such reactions affect the rodents» behaviour and potentially confound the results of animal studies, the study suggests.

In the new study, rodents were trained to press a lever to receive a dose of cocaine.

The authors discovered this surprising gender disparity while investigating whether the presence of experimenters affects rodent pain studies.

Rattus detentus, a Rodent of Unusual Size: On Manus Island, separated from New Guinea by about 100 miles of ocean, researchers found one of the largest rats known from the Melanesian archipelago, a particularly rich region for rat diversity, according to the April study in the Journal of Mammalogy.

In a similar heart study, rodents dosed with phytic acid registered a drop in serum cholesterol of 32 percent and a decrease in triglycerides of 64 percent.

The study wasn't about designing a new way of testing animal behavior, either; the same test has been used in rodents.

Studies in rodents suggest that stress during pregnancy inhibits neural growth, while the children of women who lived in war zones during pregnancy have a higher risk of developing schizophrenia.

In particular, the study showed new protein synthesis in a specific sub-region of the prefrontal cortex known in rodents as the prelimbic.

He proposed an independent study project in 1998, during his last year of his undergraduate work: studying hantaviruses within the rodent population in Montreal.

The findings support other recent rodent studies that showed drugs that enhance the action of BDNF can reduce brain changes and symptoms of Huntington's disease.

Perhaps most significantly, in a study led by Frances Champagne — then a graduate student in Meaney's lab, now an associate professor with her own lab at Columbia University in New York — they found that inattentive mothering in rodents causes methylation of the genes for estrogen receptors in the brain.

And although many of the initial animal studies used mRNAs with pseudouridine, Moderna's new chemistry was already starting to outperform that first generation in rodent studies.

The study used a proven rodent model of HO that mimics the injuries seen in combat casualties.

The specifics have yet to be ironed out, but the Amgen team has uncovered a few clues in their rodent studies: They found treated animals had increased activation of certain neurons in the brain that detect blood sugar, and this may have helped them sense when it was time to stop eating.

Studying the rodents more carefully, the researchers determined that Clostridia were having a surprising effect on the mouse gut: Acting through certain immune cells, the bacteria helped keep peanut proteins that can cause allergic reactions out of the bloodstream.

A new study claims the strange rodents flout the mathematics of mortality — but not everyone is convinced.

Scientists at the Barshop Institute for Longevity and Aging Studies, part of the School of Medicine at the UT Health Science Center at San Antonio, have found another secret of longevity in the tissues of the longest - lived rodent, the naked mole rat.

Studies of rodents have suggested that pregnancy results in greater resilience to stress.

While studying the inflammatory mechanisms underlying colitis in rodents, a team of researchers led by Dana Philpott and Thierry Mallevaey realized that their laboratory mice were more susceptible to developing the disease if their intestines were already infected with the protozoan Tritrichomonas muris.

Studies in rats tend to use much higher doses of THC than even a committed pothead would absorb, and rodent adolescence is just a couple of weeks long — nothing like ours.

Studies have shown that exercise can have both structural and cognitive benefits in rodent models of pathological conditions like Fetal Alcohol Spectrum Disorders (FASD) and Alzheimer's disease.

Studies in rodents and in human fetal beta cells have showed that the responses of very young beta cells to increases in blood glucose are blunted when compared to their more - mature counterparts.

In this study, the team, which included Dr. Meerim Nurbaeva and Miriam Eckstein in Dr. Lacruz's lab, for the first time used freshly dissected enamel cells (ameloblasts) from rodent teeth to modulate physiological processes in order to understand the contribution of CRAC channels in enamel calcium signaling.

In a study published last fall, researchers showed that male prairie voles that had been separated from their female partners for four days — a much shorter amount of separation time than researchers had previously found to affect the voles» physiology — exhibited depressionlike behavior and had increased levels of corticosterone, the rodent equivalent of the human stress hormone cortisol.

Furthermore, a rodent study concurrently examined the effects of mid-puberty or adult alcohol exposure on voluntary alcohol consumption in later life by 20 male Wistar rats.

During studies with mice, he concluded that female rodents were more anxious when their hormone levels mirrored those of premenstrual women.

Some biologists extrapolate findings from rodent studies of epigenetic inheritance to humans, but others remain skeptical

Now, a new study suggests that rodents are also capable of pining over what might have been.

Astronauts will use the device to study the effects on rodents of extended periods of time spent in microgravity.

The largest rodent ever to have lived may have used its front teeth just like an elephant uses its tusks, a new study led by scientists at the University of York and The Hull York Medical School (HYMS) has found.

That's something you can't get from studies of rodents, which have different biology than humans do.

In the current study, researchers at the University of North Carolina at Chapel Hill and Stanford University used rodent models to examine the role of this neurotransmitter in dynamically tracking specific elements of value - based decision making.

In this article, Dr David Kristensen and colleagues from Copenhagen University Hospital, review the findings from three individual rodent studies that evaluated the effects of paracetamol taken during pregnancy on the development of the reproductive system in female offspring.

The protein ALX3, which helps direct development of bones and cartilage in the face, also paints light stripes down the rodents» backs, a new study suggests.

For this study, the researchers used the technique to pinpoint small concentrations of nanotubes inside rodents.

Research in rodents, along with imaging studies in new mothers, are finding areas of the brain that could be involved in postpartum depression.

Rodents gone mad In other schizophrenia news, a new transgenic mouse may allow researchers to better study the enigmatic disease, which afflicts one percent of people worldwide.

All three groups of mice gained weight during the study, but those in the exercising and shaken groups put on slightly less than the indolent rodents.

And that could be bad if what happens in laboratory animals also happens in people, because studies in rodents show that BPA can trigger a host of harmful changes, from reproductive havoc to impaired blood - sugar control and obesity (SN: 9/29/07, p. 202).

As part of the team studying poststroke dementia in Dr. Kristian Doyle's laboratory, Dr. Nguyen applies more than 10 years of experience in quantifying neurodegeneration, immune responses, and behavior in rodent models.

In previous studies on rodents, postdoctoral scholar Clemenson and others showed that exploring the environment resulted in the growth of new neurons that became entrenched in the hippocampus» memory circuit and increased neuronal signaling networks.

Past studies of high - fat diets have yielded somewhat mixed results in rodents, says Ralph DiLeone, a neurobiologist at Yale University.