Sentences with phrase «rodent studies showing»

(17) This is disputed by Uffe Ravnskov who feels that the difference is significant, and points to rodent studies showing statin drugs cause cancer in animals.

Another rodent study showed that administration of B. infantis in rats reduced the levels of IFN - γ, TNF - α, and IL - 6 following mitogen stimulation and altered tryptophan, 5 - HIAA, and DOPAC levels in the frontal cortex and amygdala [37].

Rodent studies show that the number of titin filaments that surround each myosin filament can increase after exercise training (Bellafiore et al. 2009; Hidalgo et al. 2014; Krüger & Kötter, 2016), and this would be expected to increase titin - based stiffness, thereby increasing force during lengthening contractions (Lindstedt et al. 2001; Hidalgo et al. 2014).

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.

In other studies, Sonntag's group has shown that infusing IGF - 1 into the brain improves memory and learning in elderly rodents.

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

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.

MASTER HUNTER Nerve cells in a mouse's amygdala send messages that help the rodent chase and kill prey such as crickets, a new study shows.

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 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.

«Studies in rodents have shown that artificially manipulating VTA activity strongly influences behavior, and our work has bridged the gap between rodent and primate.»

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).

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.

In the new study, Dr. Greenamyre and his team — led by coauthors Roberto Di Maio, Ph.D., and Paul Barrett, Ph.D., both of PIND — used a well - established rodent model of PD to show exactly how alpha - synuclein disrupts mitochondrial function.

A compound that blocks iron - containing enzymes in the brain improves recovery following brain hemorrhage, a new study in rodents shows, and it works in an unexpected way.

«Although our study is in rodents, the same receptors have been shown to impact human stress and drug addiction.

Recent studies have shown that endorphin blockers do lessen the activation of reward circuits in humans and rodents that are presented with appetizing food — the subjects eat less.

Studies of germ - free rodents and other animals on gut - disrupting antibiotics show that changing microbial communities can impair memory and cause anxiety - like behaviours.

Researchers assumed that African rodents must have their own menagerie of hantaviruses and that these might infect humans as well — an idea supported by studies that showed that some Africans carry antibodies that cross-react with Eurasian hantaviruses.

Foraging may be a source of pleasure for animals: studies have shown that rodents, like the iguanas mentioned previously, tend to prefer finding their own food to eating food provided in a dish.

Since then, he and his colleagues have shown in lab studies of rodents and pythons that these animals grow up bigger and faster when they eat cooked meat instead of raw meat — and that it takes less energy to digest cooked meat than raw meat.

Previous studies had shown that in rodents — and in humans — those who relapsed began consuming more nicotine than they did when first exposed to the drug.

But other studies of rodents continue to be published that do show developmental and functional abnormalities at low doses, including at doses significantly below those found in humans.

Scientists have long known that restricting calories can fend off physiological signs of aging, with studies in fruit flies, roundworms, rodents and even people showing that chronically slashing intake by about a third can...

In a 2005 study, published by the journal Neuron, she and her advisor John Marshall at UC Irvine showed that when given a choice between two separate rat - sized rooms, the rodents preferred the one where they remembered getting cocaine on previous days.

In a second study, published in the journal Stem Cells Translational Medicine, the team showed that in rodents they could use the same type of lung cell to successfully treat a model of IPF — a chronic, irreversible, and ultimately fatal disease characterized by a progressive decline in lung function.

And he and his lab are excited about new studies showing that fasting seems to strengthen normal cells in rodents while making cancer cells more vulnerable.

Eating onions to increase testosterone levels may seem like a joke, but in a study that was conducted on rodents by Iranian scientists it was shown that onions can increase testosterone levels in rodents as high as 300 percent.

Studies done on rodents have shown that when you are binging on sugary foods dopamine levels increase instead of experiencing a gradual decrease.

Accumulating data suggests that IER may also activate hormesis, and there has been some suggestion that it is thestress associated with fasting, or the alternating periods of anabolism and catabolism, rather than an overall ER is responsible.15, 105 IER (100 % ER / alternate days) in rodent studies has been shown to up - regulate the expression ofanti - oxidative 20, 105, anti-apoptotic 20, 21 and pro-angiogenic 21 factors.

Previous experimental studies showed that diet - induced magnesium deficiency led to elevated serum concentrations of inflammatory cytokines in rodent models (30 — 33).

First up, what are we to make of a recent study claiming to show that «high - fat diets» are harmful to rodents?

Studies using female rodents, on the other hand, have shown that the subjects stop ovulating and menstruating when put on intermittent fasting.

Rodent studies have shown BPA causes reproductive defects, cancer, and breakdowns in metabolic and immune health.

One study in rodents showed that elevated amounts of acetate in the blood suppressed appetite by affecting brain function.

For instance, marijuana has been shown to suppress the hypothalamic - pituitary axis (HPA) in rodents, but human studies suggest variable effects on the HPA axis.

Don't say it's a stupid rodent study, Arlet Nedeltcheva showed the same thing in humans: hypocaloric diet + circadian disruption = lose more lean mass and less fat mass.

Scientists have long known that restricting calories can fend off physiological signs of aging, with studies in fruit flies, roundworms, rodents and even people showing that chronically slashing intake by about a third can reap myriad health benefits and, in some cases, extend lifespan.

They have also done studies showing that rodents that lack an inflammatory response don't become leptin resistant, giving further support to this hypothesis.

Additionally, studies have shown that decreasing serotonergic activity through intraperitoneal (IP) administration of a serotonergic antagonist increases the amount of time that rodents can run before they reach the point of exhaustion [219].

There was a study on the stomach contents of feral cats and it showed that most of their diet consisted of rodents and insects - a very low percentage of song birds.

The cats in the study were shown a variety of images, and the most popular programs depicted birds, rodents and fish — natural prey for felines.

A further study on the semi-precocious rodent Octodon degus [132] showed that short, repeated separations in the first three weeks of life resulted in significant alterations of density of neurons releasing corticotropin releasing factor (CRF) in brain regions involved in emotion regulation.

Additionally, some studies with institutionalized children experiencing neglect and transitioning into nurturing homes through adoption show an initial normalization of diurnal cortisol slopes, 10 but other studies show that years later dysregulated cortisol patterns are present again when compared with nonadopted children.33 This raises the possibility that early adversity may have programming effects on the HPA axis that become apparent with time and development, similar to what has been observed in experimental studies in primates and rodents.34 The follow - up assessment in the present study is ideally suited for testing the possibility of long - lasting reversals in HPA functioning.