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 Nuremberg
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 Nuremberg
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 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 animal
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 animal
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 animal
in 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 field
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 field
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 field
in 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 playe
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 playe
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 playe
in 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 cell
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 cell
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 cell
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 cells.