Sentences with phrase «in experiments on animals»

Selye and others were able to demonstrate in experiments on animals that during the alarm phase the amount of two hormones, adrenaline and non-adrenaline, increased in the blood.

Not exact matches

Discussion of animals in a theological context, when it does arise, has tended to be limited to moral questions: Can we experiment on animals, and if so, for what purpose?
Doing so would not lead us to treat animals like people but rather to treat the weakest people like animals, opening the door to such things as conducting medical experiments on the cognitively disabled, which has already been proposed in bioethics literature.
Indeed, the animal rights movement's fury against the speciesist use of animals» a necessary element for human flourishing, particularly in medical research» has increased to the point that scientists are now under threat of death by the most radical liberationists for daring to experiment on rats or monkeys to find cures for cancer and other human afflictions.
I do also recognize a hierarchy of living beings in that I regard human life as more valuable than animal life and would not oppose essential medical experiments on animals, although I am not persuaded that all experiments are essential.
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.
Animal Research: For nearly four decades, the animal liberation movement has been at war with medical research conducted on animals — even though conducting such experiments before trying new drugs or procedures on people is a crucial human rights protection established in the NurembergAnimal Research: For nearly four decades, the animal liberation movement has been at war with medical research conducted on animals — even though conducting such experiments before trying new drugs or procedures on people is a crucial human rights protection established in the Nuremberganimal liberation movement has been at war with medical research conducted on animals — even though conducting such experiments before trying new drugs or procedures on people is a crucial human rights protection established in the Nuremberg Code.
The main experiments used to conduct this research are the Farming Systems Trial (FST)- the oldest continuous trial in the US that compares organic and conventional farming systems, the new Vegetable Systems Trial (VST)- comparing the impacts organic and conventional farming practices on nutrient density in vegetables and linkages to soil health, and Integrated Crop - Livestock Systems using annual and perennial crops along with cattle or hogs for soil, plant, and animal health.
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.
Based on the amounts being found in people and what is known about the metabolism of bisphenol A from animal experiments, it also appears that human exposures are above the current U.S. safety limit, according to the assessment.
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 animalIn 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 animalin 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 animalin the number of toxicology tests carried out on animals.
«With the Government unwilling to include a ban on the use of stray cats and dogs in the update of the Animals (Scientific Procedures) Act, the worry is that the number of experiments using animals may increase further in future years.Animals (Scientific Procedures) Act, the worry is that the number of experiments using animals may increase further in future years.animals may increase further in future years.»
We are seeing the highest number of experiments conducted on animals in a generation.
More than a third say that they are opposed to the use of animals in any experiment because of the importance that they place on animal welfare.
Insights from experiments on animals are often difficult to apply to humans, Hartung, of Johns Hopkins University, said in a news briefing February 12.
Scientists are forced either to experiment on whole animals, which is expensive, raises ethical issues and may not predict effects in humans, or to perform tests on microscopic human cells found in tissue cultures, which have been altered to live forever and bear little relation to actual living, breathing people.
In a separate experiment in anesthetized mice, the scientists «steered» the target area of the TI, without moving the electrodes on the animals» scalps, by altering the relative amount of current in each of the two high - frequency fieldIn a separate experiment in anesthetized mice, the scientists «steered» the target area of the TI, without moving the electrodes on the animals» scalps, by altering the relative amount of current in each of the two high - frequency fieldin anesthetized mice, the scientists «steered» the target area of the TI, without moving the electrodes on the animals» scalps, by altering the relative amount of current in each of the two high - frequency fieldin each of the two high - frequency fields.
A team of researchers led by the German Centre for Integrative Biodiversity Research (iDiv) and Leipzig University carried out an experiment to simulate the warming of the soil in the forest and found out surprisingly: The warmer temperatures have no influence on the feeding activity of the soil animals.
Although the Harvard criteria were based on zero patients and no experiments were conducted either with humans or animals, they soon became the standard for declaring people dead in several states, and in 1981, the Uniform Determination of Death Act (UDDA) was sanctioned by the National Conference of Commissioners on Uniform State Laws.
Although moral codes appear to rule out the act of killing in the bridge experiment, most moral behaviour in animals appears focused on outcomes — the death of an individual, say — rather than the act that brought it about.
His opposition to animal research began in 1995, when, in the summer between high school and college, he worked in a hospital laboratory that was conducting heart studies on pigs and witnessed experiments he saw as cruel.
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).
In a final experiment, the group gave the animals a compound that prevented LPA from binding to its receptor on mouse brain cells, right before they were injected with hydrocephalus - inducing LPA.
Thanks to experiments on animals and the advent of human brain imaging, scientists now have a working knowledge of the various kinds of memory as well as which parts of the brain are involved in each.
In a report published earlier this month, the French committee says: «Contrary to all recognised rules for medical research, the first trials on humans were done even though experiments on animals were still extremely limited.»
Use of animals in testing and in biomedical research continues to be necessary in many instances and is ethically preferable to experimenting on humans or forgoing cures that could save human lives.
Nevertheless, there remain many gaps in scientists» understanding of the effects of blasts on the human brain; most new knowledge has come from experiments with animals.
Vazquez is quick to point out that the results of his in vitro research may not ultimately reflect what happens to cells in vivo, nor will the results of animal experiments provide the final word on people.
It said that researchers should avoid experiments on animals so closely related to humans unless the work was impossible to carry out in other animals or was «of sufficient value to offset the moral costs».
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).
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.
«The result was an extensive inhibition of tumor growth and prevention of metastasis to the lung in HER2 - positive animal models of breast cancer,» notes Navasona Krishnan, Ph.D., a postdoctoral investigator in the Tonks lab who performed many of the experiments and is lead author on the paper reporting the results.
Suresh Yenugu, an assistant professor in the Department of Animal Sciences at the University of Hyderabad (UoH) in India, needed computer - assisted sperm analysis equipment to measure sperm quality and motility for an experiment he was working on, but he couldn't afford it.
A few years ago, however, neuroscientist Paul Frankland of the Hospital for Sick Children in Toronto, Canada, noticed that some of the animals in his experiment actually did worse on certain memory tasks when their neuron birth rates had been ramped up.
In a series of experiments in mice, the researchers developed a computer program that connected the neural activity in the animals» brains to musical notes, so that when one group of neurons switched on, a corresponding musical note playeIn a series of experiments in mice, the researchers developed a computer program that connected the neural activity in the animals» brains to musical notes, so that when one group of neurons switched on, a corresponding musical note playein mice, the researchers developed a computer program that connected the neural activity in the animals» brains to musical notes, so that when one group of neurons switched on, a corresponding musical note playein the animals» brains to musical notes, so that when one group of neurons switched on, a corresponding musical note played.
Claparède's pin turns out to be a somewhat diabolical twist on the classic behaviorist experiment of fear conditioning: Put a rat in a cage, play a tone, and simultaneously deliver a shock to the animal.
To test ideas of animal domestication, a bold experiment in Siberia put evolution on a fast track
Further research based on autopsy specimens and animal experiments will be needed to clarify the relationship and determine if the patients with MRI hyperintensity in their brains have symptoms.
The results indicate that the highest number of new hippocampal neurons was observed in rats that ran long distances and that also had a genetic predisposition to benefit from aerobic exercise: Compared to sedentary animals, HRT rats that ran voluntarily on a running wheel had 2 - 3 times more new hippocampal neurons at the end of the experiment.
Also toxicity tests, such as on cosmetic products, can function according to the same principle and may replace animal experiments in the future.
Last year, researchers started 3.2 million experiments or «scientific procedures» on laboratory animals, an increase of 35 000 over the number begun in 1990 and the first increase since 1976.
Building on animal studies that pointed to an increase in neural speed following auditory training, Kraus and colleagues enrolled 67 people aged 55 to 70 years old with no hearing loss or dementia in an experiment.
«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 experiments on monkeys, they combined an antibody to OX40 with the drug rapamycin, which slows production of IL - 2, and saw «total control» of GVHD: Five of five animals had no signs of the disease 100 days after a graft from a highly mismatched donor.
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.
As we learn in Escape from the Planet of the Apes (1971), the third installment of the series, Dr. Zira vivisected and experimented on human captives, who in the movie year of 3955 are considered animals and thus expendable in the pursuit of scientific knowledge.
In his early experiments with captive bats, he found animals willing to regurgitate on occasion for a hungry bat with no kinship connection.
In this experiment, a pair of animals can bring a platform bearing food within their grasp if both simultaneously pull on the ends of a rope threaded through it.
Experiments performed by coauthor Mireia Uribe - Herranz, PhD, a research associate in Facciabene's lab, demonstrate that when ACT was performed on genetically identical animals obtained from different vendors (Jackson Laboratory or Harlan Laboratories), which carry different microbiota, impact of the therapy was not identical.
In experiments described in a paper published online today in Cell, the researchers gave mice a molecule that blocks the insulin receptor on cells, tricking the animals» bodies into reacting as if they needed more insulin and producing more β cellIn experiments described in a paper published online today in Cell, the researchers gave mice a molecule that blocks the insulin receptor on cells, tricking the animals» bodies into reacting as if they needed more insulin and producing more β cellin a paper published online today in Cell, the researchers gave mice a molecule that blocks the insulin receptor on cells, tricking the animals» bodies into reacting as if they needed more insulin and producing more β cellin Cell, the researchers gave mice a molecule that blocks the insulin receptor on cells, tricking the animals» bodies into reacting as if they needed more insulin and producing more β cells.
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