Sentences with phrase «animal experiments show»

Animal experiments show that it is relatively easy to treat cancer in the early stages.

Not exact matches

Experiments in animal cells have shown that although these genes are required to form pluripotent stem cells during development, they are not powerful enough on their own to overcome the epigenetic programming of a mature cell and convert it to a pluripotent stem cell directly.
The US government have done extensive experiments with animals where they've found roughly one in ten of them (given an equal choice) repeatedly show a sexual preference for the same sex — the animals, not the US government.
This printed eyelash scarf (currently on sale for $ 29.50) from J. Crew Factory is available in several bold prints; the sweet hyacinth (shown) is a fun option is you want to experiment with animal prints.
The results of the experiment showed that the baby formed an association between the sound and the furry animals.
In July 2010, figures published by the Home Office showed that experiments on animals in the UK had fallen by 1 % to just over 3.6 million, with a 10 % decrease in the number of toxicology tests carried out on animals.
With vast differences in the physiology of different species and poorly conducted experiments, it comes as no surprise that 92 % of all drugs that are shown to be safe and effective in animal tests prove to be ineffective or even dangerous to humans.
And they're beginning to conduct experiments that show that such enrichments not only benefit animals, but science as well.
They were able to do so by building on an experiment showing that grafting a peripheral nerve into the space between a severed spinal cord in an animal model brought about nerve regeneration (albeit limited).
But its importance in the more immediate regulation of sleep, like when a bright light wakes someone up, remained debatable because the experiments needed to show its role in a living animal were essentially impossible.
And an experiment with mice showed that LDL cholesterol stuck around longer in the blood of the animals who had eaten rice than in those who had not.
Animal experiments have shown it is possible to transmit the prion via blood, but prions behave differently in different species, and these three cases are the only definitive evidence that blood - borne transmission can happen in people.
Experiments show that microscopic ocean plants and animals — the base of the food chain — will be impacted
The new report describes experiments in mice showing how genetic variation in a host animal shapes the microbiome — a rich ecosystem of mostly beneficial microorgannisms that resides in the gut — and sets the table for the onset of metabolic disease.
Results of their proof - of - concept experiments in monkeys, published Aug. 25 in the Journal of Medicinal Chemistry, show a tenfold better delivery of the drug to the brain compared with the rest of animals» bodies.
Subsequent experiments showed that the reminder object worked better when it was unusual or unique in its context (for instance, the only stuffed animal on the desk).
His team has shown this in lab experiments with copepods, another kind of abundant small marine animal.
Their series of experiments showed that a single application of concentrated, mature B cells accelerated wound healing and improved the quality of tissue repair in both animal models.
Signs of neuronal damage around plaques also varied depending on the APOE variant the animals received, and experiments in a different Alzheimer's model in which plaques appear more slowly showed that injection of APOE4 increased levels of free, soluble A-beta in the fluid that bathes the brain.
Experiments that model the bacteria in animal cells, for example, have shown that P. aeruginosa behaves and grows in certain ways only when it is in the infected lungs of a person with CF.
If further experiments show that the hologenome theory applies to animals like mice, it would not invalidate the basic idea of natural selection giving rise to new species.
Other unborn animals have shown similar smarts in recent experiments.
Many experiments have shown that when people or animals learn a skill, they perform it better after a good sleep.
But the scientists noticed something odd when they ran control experiments in which they injected the hydrogel without added cells: Some of the animals» hearts still showed improvement compared with untreated animals.
It is just one of hundreds of compounds that have shown great promise in animal experiments — such as helping rats learn their way around mazes — yet seem to produce at best only marginal effects in patients.
Experiments with mice show that after just four weeks on a high - fat or a high - sugar diet, the performance of mice on various tests of mental and physical function began to drop, compared to animals on a normal diet.
Numerous experiments with genetically altered mice and rats have shown that when natural brain compounds, called endocannabinoids, are missing or their receptors are blocked, the animals are more susceptible to pain, can not control their appetites, have trouble handling anxiety and are less able to cope with stress.
In one experiment, Simonet noticed that puppies romped for joy when they heard recordings of these sounds; in another, she was able to show that these same sounds helped to calm dogs in an animal shelter.
A series of experiments showed that SW033291 could inactivate 15 - PGDH in a test tube and inside a cell, and, most importantly, when injected into animal models.
The loss was bad for the vaccine: In a series of experiments Hensley and his colleagues showed antibodies from humans and ferrets (a good animal model for influenza A studies) that had been exposed to the egg - grown vaccine did not effectively kill the circulating sugar - adorned viruses.
«New MRI contrast agent tested on big animals: Experiments in dogs, rabbits and monkeys show the efficacy and biocompatibility of a new MRI / MRA contrast agent in detecting stroke.»
In a first animal experiment, scientists at FLI also infected three cows with the virus and showed that the virus replicated in them; one developed fever and diarrhea.
Researchers at the Fund for the Replacement of Animals in Medical Experiments (FRAME) in Nottingham, have just finished the first stage of development, which draws on research showing that human skin cells produce chemicals called cytokines when exposed to chemicals that are irritants.
In experiments in animals, researchers from the University of Michigan Medical School showed that adding rapamycin to an immunotherapy approach strengthened the immune response against brain tumor cells.
In the converse experiment, the group showed that when increasing lipid production in lungs of animals already injured and developing pulmonary fibrosis, lung scarring could be reduced by 70 - 80 percent.
«We had some indication that rapamycin would enhance the cytotoxic T cell effect, from previous experiments in both animals and humans showing that the drug produced modest effects by itself,» says Maria Castro, Ph.D., senior author of the new paper.
The researchers then describe a further experiment with hippocampal - lesioned animals and show the animals were both significantly deficient in learning the task and also took longer to make choices.
A second experiment showed that the drugs - plus - DNA therapy reduced bacterial growth from a secondary infection, and in one of seven animals, it gave «complete protection» to the lungs against reinfection.
The new report describes experiments in mice showing how genetic variation in a host animal shapes the microbiome — a rich ecosystem of mostly beneficial microorganisms that resides in the gut — and sets the table for the onset of metabolic disease.
The initial results of the cow study, showing that people do empathize with the animal, indicate that the same model could be useful in other experiments, he said.
Data shown is an average of three independent experiments in cells from two different animals.
After ruling out other possible explanations for the site, including natural geological processes, other animals and damage caused by the construction work that led to its discovery, the team carried out experiments to show how humans could have broken the bones in the way they were found.
While Gurdon's tadpoles did not survive to grow into adult frogs, his experiment showed that the process of specialization in animal cells was reversible, and his technique of nuclear transfer paved the way for later cloning successes.
These experiments clearly showed that the animals could respond to a light stimulus via their induced eyes.
But experiments in rodents, done in the early 1950s, showed that bone marrow transplants can rebuild new blood in animals whose own marrow was destroyed, raising hopes that a similar approach might also work in man to treat leukemia or radiation damage.
This experiment was conducted to verify the findings in the initial experiment of a hypersensitivity immunopathologic - like reaction after SARS - CoV challenge of vaccinated animals, to determine if a higher dosage of the S protein vaccine (SV) would suppress infection and still exhibit a similar reaction, and whether the original β propiolactone inactivated whole virus vaccine (BPV) that had shown an immunopathologic - like reaction after challenge of vaccinated ferrets and nonhuman primates exhibited a similar immunopathologic reaction in the mouse model [13], [14].
By the end of that year, they had shown in classic animal experiments that pancreatic extracts reduced blood sugar, removing sugar from the urine of dogs whose pancreas had been removedANCHOR.
For some years an asthma drug called amlexanox has been studied for its ability to inhibit TBK1, and a previous experiment showed that when administered to obese mice, it caused weight loss and increased the animals» sensitivity to insulin, helping improve their diabetes and fatty liver disease.
One logical next step, says Arnon Lotem, a behavioral ecologist at Tel Aviv University, is to create an experiment that assesses whether animals that receive antibiotics show higher or lower levels of helping behaviors.
In a laboratory experiment, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel showed that younger animals already eat less and grow more slowly at only slightly elevated carbon dioxide concentrations.
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