«Both in
humans and mice there is a correlation between altered gut microbiota composition and inflammaging, but the link between the two remains to be proven in humans» concludes Fransen.
Not exact matches
It has been predicted already that by 2020, we will be using gesture control on computers to stop us using our
mouse and keypad,
and that
there will be a rise in robotics carrying out
human work in an office environment.
«
There's no
mouse model
and no
human model of the ideas,» she said.
Of course,
there is still a long way to go before this particular method will be tested on
humans (it was tested on
mice),
and an even longer way to go before it'll be used in medical therapies (if it ever will translate into therapies), but one thing is becoming clear: We need not compromise our moral principles
and rush into government - funded embryo - destructive research.
Infant formula continues to evolve
and there are patents already for implanting genes for making
human milk in
mice.
The
mice in Suzanne Ilstad's lab are not quite themselves —
there's a little rat in them,
and therein may lie the secret to
human organ transplants.
«Ninety to 95 percent of cervical cancer cases are HPV - related,
and there are very few studies of this type of cancer in
mice because HPV is a
human virus,» Schwarz said.
«
There's a lot of grumbling, both in the general public
and the scientific community, about how often we cure diseases in
mice that never translates when we try those cures in
humans,» says Felipe Sierra, director of the Division of Aging Biology at the National Institute on Aging.
«But I also came with the veterinarian perspective,
and as I talked to people, I realized
there was an opportunity to answer questions in dogs with cancer that can't be answered in either
humans or
mice.
«In brain tissues of
mice and humans,
there are two microRNAs called miR - 7
and miR - 671 that bind to it.»
The problem is that in animals, such as
mice and humans,
there are many histone genes
and they are scattered throughout the genome.
While the digestive systems of
mice and humans are similar,
there are important differences.
Before Katlyn showed up at NIH, the doctors
there were already well prepared: They had inserted healthy
human ADA genes into a modified
mouse retrovirus — a type of virus that can enter
human cells
and transfer new genetic material right into the DNA strands in their nuclei.
Nevertheless,
there are other measures of depression in
humans that can be assessed in rodents — like the ability to enjoy pleasurable activities, which is a cardinal feature of depression in
humans — you can measure that in a
mouse to see how much a
mouse likes to eat a sweet treat, have sex, how well it sleeps
and so on.
And there are many reasons why the mice experiments should not be extrapolated to humans and children, Relman sa
And there are many reasons why the
mice experiments should not be extrapolated to
humans and children, Relman sa
and children, Relman says.
«However, while these encouraging results in
mice mean that the zinc finger looks like a good candidate to take forward to
human trials, we still need to do a lot of work first to answer important questions around the safety of the intervention, whether repeat treatments are effective, whether
there might be longer - term side effects,
and whether we can extend
and increase the benefits beyond six months.
«At a biochemical level,
there is a lot of commonality between the molecular machinery in Drosophila
and that in
mice and humans,» said Dr. Ferguson.
«
There's good reason to believe the rules will be the same» for
human and mouse cells, says stem cell biologist Kevin Eggan of the Harvard Stem Cell Institute (HSCI).
«In pigs, the pattern of neurodegeneration is almost the same as in
humans,
and there have been several treatments tested in
mouse models that didn't translate to
human.»
And of course
there is no uniform strain — thank goodness — of
human beings, like
there is of
mice.
«Just like
human breast cancer,
there are many subtypes that can be found in
mice,» said Eran Andrechek, co-author
and physiology professor whose work focuses on the genetic makeup of cancer.
There is no way to create a «schizophrenic»
mouse, Meyer emphasizes, but certain key cognitive deficits
and behaviors can be measured in both animals
and humans and are thought to rely on similar brain regions
and neural circuits.
This was thought to be the case because
there were mutant Pax3 proteins in
mice and humans that had defects in the parts of the protein that bind to DNA,
and so, would not be able to properly turn genes «on» or «off.»
This is likely true for two reasons; 1)
there would not have been much time for a large number of chromosomal rearrangements to occur between these early ancestral
human and mouse genomes, 2)
and that since divergence with the boreoeutherian ancestor the
human genome has undergone only a small number of chromosomal rearrangements meaning that many
human telomeric regions are ancestral [58, 73].
Hypothesis driven approaches to vaccinology can utilise the knowledge gained from mechanistic
mouse models
and our molecular understanding of intrinsic defects to
human cells.5 However, caution is required when extrapolating data from murine models, as
there are substantial differences between immune ageing in
mice and humans.6 Nevertheless, model systems
and ex vivo analyses of molecular alterations in aged
human cells have identified multiple changes in the vaccination response with age
and the aged immune system in general.
Of the 22 patients whose tumors successfully grafted, six died before data from the
mice were available, but in 13 of the remaining 16 cases,
there was a positive correlation between
mouse and human results.2 In a second study, performed in collaboration with Manuel Hidalgo of the Spanish National Cancer Research Center, the team found that 6 of 13 patients with advanced solid tumors who were treated based on results from personalized PDX
mice had partial tumor remissions, even in cases where genetic sequencing of the tumor showed no actionable mutations.3
To Wright, the signals in both
humans and mice mean that
there's more similarity between
humans and animals than might meet the eye.
«But
there are some genes whose patterns are not quite conserved between
human and mouse,» he continued.
In a new study published in the journal Genetics, evolutionary biologist Dominic Wright
and his team looked at whether
there's a genetic connection between anxious behavior in chickens,
mice and humans.
There is also significant sequence overlap with the
mouse and human forms.
The gene
and associated mechanism of quality control appears to be conserved in mammals, but
there is as yet little further research leading towards trying a similar approach in
mice and humans to see what happens.
Again, then,
there is significant evidence consistent with a role of cellular senescence in age - related lipodystrophy
and lipoatrophy,
and for the benefits observed in treated
mice in these studies to translate into aging
humans.
On the other hand,
there are many other tissues — notably, the kidney
and articular cartilage — where p16Ink4a - expressing senescent cells appear to be a contributing factor to
human and murine degenerative aging, but which were not evaluated in treated or control
mice in this study,
and it would be of interest to see the effects of ablation of p16Ink4a - positive senescent cells.
«But we have to take these data in context, these were
mice experiments
and there is a long way to go before you can be sure that this vaccine candidate will perform in
humans.
In worms, flies,
mice and human,
there are insufficient data as yet to determine what proportion of genes are duplication products.
There are lots of different HD
mice available,
and because every case of HD is caused by the same basic genetic mutation, it may be that «our»
mice will turn out to be better than those of other diseases, at predicting success in
human patients.
«Firstly, the experiments were performed in
mice and there is no guarantee that the effects shown will necessarily be replicated in
humans.
However,
there's a lot more genetic variation between
humans and mice than
there is amongst
humans.
There is however room for optimism as amlexanox has been found to be safe for patients,
and humans also have the same genetic pathways as
mice.
Our findings demonstrate that, despite significant differences in affected transcripts,
there is overlap in the phenotypes associated with SF3B1 - K700E between
human and mouse.
While
there are only a few hundred ultraconserved sites in the
human and mouse genomes,
there are also approximately 100,000 other, less well - conserved enhancers.
There are estimated to be 100 million cells in a
mouse brain,
and 65 billion in a
human brain.
Though it hasn't been studied in
humans,
there is some evidence (from studies on rats
and mice) that certain compounds in the leaves of the Moringa plant may be protective against arsenic poisoning.
Mice are a useful model for studying how the human body functions due to the fact that there are various important physiological and biological similarities that mice and humans sh
Mice are a useful model for studying how the
human body functions due to the fact that
there are various important physiological
and biological similarities that
mice and humans sh
mice and humans share.
It's good to get studies on different animals — if the study is only on
mice but
there's several similar ones on
humans and rats too, then its fair game.
That is why Campbell talks about «protein deficiency» in his papers, that is in the context of rats, but as he points out into his book «Whole: rethinking the science of nutrition», rats are not
human beings,
and rats are not even
mices, as
there are already great differences of toxicity between rats
and mices.
This ingredient has been clinically proven to increase the dopamine levels in
mice, but no
human studies have been conducted
and there is no proof of the effectiveness of this ingredient on
humans.
Once
there, he finds a replica London constructed out of
human debris that's inhabited by rats
and mice.
Recently
there has been growing pressure in the US to ban controversial food dyes that are linked to a slew of health issues in lab
mice and humans.
Because
there has been next to nothing published on the relationship of veterinary vaccines to autoimmune / autoinflammatory disease, I rely on the experiences of laboratory animals like
mice (ref)
and the experiences of
humans.