Sentences with phrase «of older mice»

The study showed that the organs of the older mice became healthier, thanks to the presence of the younger blood.
Further study of older mice with greater pathology will be necessary to evaluate the effects of exercise on these neuropathological features in Grn − / − mice.
To measure the differences in immune system function between the two groups of older mice, the researchers examined the lungs to assess damage, counted the number of bacteria in the lungs, and calculated the number of the white blood cells (neutrophils).
But now that we know what kinds of changes occur as these cells age, we can ask which of these changes reverse themselves when an old cell goes back to becoming a young cell» — as appeared to be the case when tissues of older mice were exposed to blood from younger mice.
In 2005, Rando and his colleagues published a study in Nature showing that stem cells in several tissues of older mice, including muscle, seemed to act younger after continued exposure to younger mice's blood.
As these studies were being done, Malaspina asked Jay Gingrich, a psychiatrist and neuroscientist at Columbia who works with mice, whether he could look for the same effect in the offspring of older mice.
Those antibodies also seemed to help the brains of older mice that had aged naturally, the team found.
This rejuvenated the stem cells in the bone marrow of the older mice that replenish their blood, and led to a wave of studies comparing the blood of old and young mice to try and identify the youth - giving substance.
Multiple groups of scientists have shown that adding the blood of older mice to younger animals» bodies makes them sluggish, weaker, and more forgetful.
Likewise, young blood can restore the memory and energy of older mice.
In 2014, highly publicized work in the laboratories of Villeda and Tony Wyss - Coray, PhD, professor of neurology at Stanford, showed that connecting the circulatory system of a young mouse to that of an old mouse could reverse the declines in learning ability that typically emerge as mice age.
In 2013, researchers reported that they were able to cure hypertrophy in mice by surgically merging the circulatory systems of an older mouse with a younger mouse.
Five years ago, researchers at the Perelman School of Medicine, University of Pennsylvania, showed that the UPR is an adaptive response to stress induced by sleep deprivation and is impaired in the brains of old mice.
When the researchers injected the protein into the heart muscle of old mice, it became «younger» — thinner and better able to pump blood.
One substance in the blood of old mice, a protein called Beta ‑ 2 ‑ microglobulin, or B2M, seemed to prematurely age the young ones, Villeda and colleagues reported last year in Nature Medicine (SN: 8/8/15, p. 10).
A protein in blood can repair age - related damage in the brains and muscles of old mice, returning them to a more youthful state.
Fractured shin bones of old mice healed faster and better when the rodents were joined to young mice than to mice their own age.
The researchers harvested satellite cells from both healthy and injured muscle tissue of young mice and from healthy tissue of old mice; extracted these cells» DNA with the histone coatings intact; and used tagged antibodies targeting the different kinds of marks to find which spots on those histones were flagged with either «stop» or «go» signals.
In addition to improving endothelial function, the MitoQ treatment increased levels of nitric oxide, reduced oxidative stress and improved the health of the mitochondria in the arteries of old mice.
Then an experiment in 2005 found that young blood returned the liver and skeletal stem cells of old mice to a more youthful state, and work in 2012 discovered that young blood can reverse heart decline in old mice.
Tilly and his team examined the ovaries of old mice in which the Bax gene had been «knocked out» in early embryos before they developed.
When the researchers added GnRH to the hypothalamuses of old mice, they saw that it promoted adult neurogenesis.
Using a surgical technique, the researchers introduced an experimental demyelinating injury in the spinal cord of an old mouse, creating small areas of myelin loss, and then exposed those areas to cells found the blood of a young mouse.
In the 1950s, in a Frankenstein - style process called parabiosis, scientists sewed the circulatory system of a young mouse to that of an old mouse.
In 2012, Research published by Dr Sinclair of Harvard stunned researchers by showing that short term supplementation with Nicotinamide Mono - Nucleotide (NMN) reversed many aspects of aging, making the cells of old mice resemble those of much younger mice, and greatly improving their health.
One study showed an average 5 % increase in the lifespan of old mice — even though supplementation did not begin until the mice were nearing the end of their natural lifespan (24 months).11

Not exact matches

Old input methods such as mice and keyboards are likely going to contribute to poor experiences, said Chu Hanjin, director of content alliances and solutions for AMD's Radeon Technology Group.
(And, as with the mouse who gets stuck in that old - fashioned spring trap, it must be kind of painful.)
http://edition.cnn.com/2014/05/05/health/young-blood-mice-aging/index.html Scientists have recently found that giving old mice transfusions of young mice blood can reverse the aging process, human trials coming soon.
Maybe the experience of being at a lower division club and seeing older players busting a gut in a mickey mouse environment is enough to give our loanies the motivation and appreciation to succeed when recalled back to the Arsenal?.
Don't forget that Cech has won PL & CL trophies in his time at Chelsea and there was no way that he was going to let some of his old buddies take the mick out of him for lifting and celebrating some Mickey Mouse cup??
Some uninterrupted, non-educational (sorry, ABC Mouse) idiot box staring, just like in the good old days of our own TV - soaked Gen X childhoods.
The team found neonatal mice with the mutations had normal - appearing skin, and the dry itchy skin of dermatitis did not develop until the mice were a few months old, the equivalent of a young adult in human years.
I was then thinking about superhero characters from my past and what resonated, when I remembered watching reruns of that super old school Mighty Mouse cartoon when I was a kid.
I love that my older children have already met and fallen in love with my old friends such as Sense & Sensibility, The Great Gatsby, Moby Dick, Of Mice and Men, The Red Badge of Courage, War and Peace, The Hound of the Baskervilles, and so many, many morOf Mice and Men, The Red Badge of Courage, War and Peace, The Hound of the Baskervilles, and so many, many morof Courage, War and Peace, The Hound of the Baskervilles, and so many, many morof the Baskervilles, and so many, many more.
Then, I gathered her play Minnie Mouse laptop, a few of her fake phones, one of my real phones (I admit it), a couple of my old assignment notebooks (yes, she plays with these), an old Sharp Wizard device, and one of her Fisher - Price tea set tea cups, and I arranged the items on her «desk.»
My oldest son made me one of these when he was in grade school, except his was a sleeping mouse.
Currently, it is Maisy's Show by Lucy Cousins — mainly because, entertaining as it is, my one - year - old twins demand I read it to them several times a day, and the charm of a tap - dancing mouse with a costume made by lemurs has worn off with over-familiarity.
It's probably safe to say no D.J. played Modest Mouse at the uptown event, but white hair was still a hot accessory later in the night, as the older crowd gravitated towards the velvet couches (under the taxidermic animals) while younger bunches of volunteers, filmmakers, and tech consultants crowded the bars and would - be dance floor.
The scenario of hapless city slickers gamely trying to make a go of living in the country is an old classic, from Aesop's fable «The Town Mouse and the Country Mouse» and Shakespeare's As You Like It to Kaufman and Hart's 1940 play George Washington Slept Here and the»60s TV sitcom Green Acres.
«This well - designed set of experiments shows that chronic THC pretreatment appears to restore a significant level of diminished cognitive performance in older mice, while corroborating the opposite effect among young mice,» wrote Susan Weiss, director of the Division of Extramural Research at the National Institute on Drug Abuse, who was not involved in the study, in an e-mail.
«To do so, we simply inserted earplugs in the ears of 10 - day - old mice and left them in position for 10 more days.
The researchers conducted a series of micromanipulations on the eggs of mice between the ages of 6 and 12 weeks (young) and 60 - week - old mice (old).
To find out more about what underlies the cognitive decline that occurs with ageing, André Fischer of the European Neuroscience Institute in Göttingen, Germany, and colleagues analysed DNA from the brains of both young and old mice that had been set tasks involving learning and memory.
«In our study, the hyperglycemic mice had increased bone resorption [the breakdown and absorption of old bone], which outpaced the formation of new bone.
In this study, researchers analyzed ovarian tissue from populations of reproductively «young» (equivalent to women in their early twenties) and «old» mice (equivalent to women ages 38 - 45).
When the mice were just four months old — well before they showed symptoms of the disease — their synaptic mitochondria had accumulated approximately five times more amyloid protein than nonsynaptic mitochondria had.
Researchers also found a type of immune cell (multinucleated macrophage giant cells) in the ovaries of reproductively «old» mice only.
Three groups of middle - aged mice (about a year old) were studied: one group ate a normal diet, in which fewer than 30 percent of calories came from fat, while two others were fed high - calorie diets in which 60 percent of the calories came from fat.
But the brains of 10 - month - old Alzheimer's mice that had a severely reduced amount of an enzyme called BACE1 were essentially clear of new and old plaques.
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