Sentences with phrase «elderly mice»

He even reversed some of these problems in elderly mice.

Old mice getting plasma from young animals performed better than those receiving plasma from other elderly mice.

Hilmar Bading of the University of Heidelberg in Germany and his colleagues improved the memory of elderly mice by injecting a virus into their hippocampus — a part of the brain strongly involved in memory.

In July an independent team reported in Nature that rapamycin, an immune - suppressing drug, increases longevity in elderly mice by up to 38 percent.

Brain gains seen in elderly mice injected with human umbilical cord plasma.

Even more striking, the gene - expression pattern in the hippocampi of THC - treated aged mice was radically different from that of untreated elderly mice.

When the researchers examined the brains of the treated elderly mice for an explanation, they noticed that neurons in the hippocampus — a brain area critical for learning and memory — had sprouted more synaptic spines, the points of contact for communication between neurons.

It presents characteristics that are frequently observed among elderly mouse lemurs: cataracts and whitening of the fur.

When Bading halved the amount of the enzyme in the brains of young mice, their performance deteriorated to that of typical elderly mice (Nature Neuroscience, DOI: 10.1038 / nn.3151).

Menopausal rhesus monkeys experience hot flushes, and the hearing of elderly mice becomes less acute.

But the middle - aged and elderly mice who had been given THC performed as well as the young mice in the control group.

In a mirror study, chemotherapy administration in young and elderly mice resulted in a change in behavioral flexibility and alteration of neuron precursor proliferation in the hippocampal dentate gyrus.

The study found that the compound, which re-activates longevity - linked proteins called sirtuins, promotes the growth of blood vessels and muscle, boosting the endurance of elderly mice by up to 80 percent.

Researchers have previously found that blood from human teenagers can rejuvenate memory and cognition in elderly mice, probably due to factors present in the plasma — the liquid portion of the blood.

Instead of impairing learning and memory, as it does in young people, the drug appears to reverse age - related declines in the cognitive performance of elderly mice.

To find out, his team gave young, middle - aged and elderly mice a steady but low dose of THC.

Moreover, the stressed mice's gray hairs and the cell populations in their follicles were indistinguishable from those of elderly mice, suggesting that genotoxic stress might drive natural graying as well.

This made Zimmer wonder if stimulating the endocannabinoid system in elderly mice might have the opposite effect.

In the control groups, which received no THC, the young mice performed far better than the middle - aged and elderly mice.

The new ones found that an elderly mouse brain also can improve and become sharper through this simple treatment.

The second Science study showed that GDF11 can help an elderly mouse brain grow new blood vessels and neurons.

GDF11 helped these elderly mice retain muscle and strength, compared with animals who did not get the protein treatment.

The findings of the study are based on following the effects of these fruit compounds on muscle atrophy in elderly mice.

If you give elderly mice a low - glycaemic diet for the rest of their life they live 12 percent longer than mice given standard food.

The researchers found less DNA with abasic sites in the cells of the elderly mice in the low - glycaemic group [triangles] than in the cells of the control group [squares].

While young mice (18 weeks, equivalent to young adults) lost only a few percent of body weight on the starvation low protein diets, elderly mice (2 years old) wasted away on low protein diets.