Sentences with phrase «animal experiments with»

Animal experiments with levonorgestrel have shown virilization of female fetuses at high doses.
Where possible, we replace our animal experiments with in vitro models, such as organoids, reducing the number of laboratory animals.

Not exact matches

The lesson here isn't that many sporting events would be more fun if they included unexpected intrusions by zoo animals or that scientists come up with some pretty weird experiments (though both, in my opinion, are true).
For more than decade, she's experimented with creating meat - free alternatives to the animal protein - heavy foods she grew up eating in Guam.
We can trace DNA back, transitional fossils, experiment with animals, E. coli, etc..
As I stated in my original article, prior to conducting experiments with human cells, ANT - OAR techniques would need to be rigorously tested in animal models to establish a procedure that guarantees with reasonable certainty that an embryo is not generated.
Due to the limited statistical and methodological certainty allowed by biological science, the occurrence of technical errors in biological experiments, the differences between human and animal embryo development, the rapidity by which the cloning procedure produces a totipotent zygote, and the philosophical and theological nature of the question, there is no biological experiment that will prove with moral certainty that a human zygote never exists during the OAR procedure.
The animal went through half the experiment with no problems, generating exactly the results we expected.
His experiments allowed the transitive inference to be accomplished with images of the order of the stimuli in the series, though exactly how the animals reasoned is not understood.
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 is done routinely in experiments with animals and occasionally with human patients undergoing neurological treatment.
Duranty's morals are neatly summed up in one of his 1935 dispatches: «It may be objected that the vivisection of living animals is a sad and dreadful thing, and it is true that the lot of [those] who have opposed the Soviet experiment is not a happy one,» but «in both cases, the suffering inflicted is done with a noble purpose.»
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.
Those who feel there is something «unnatural» about introducing human genes into animals or plants forget that we share a high proportion of our genes with these species already: it is precisely this collective heritage that allows experiments on frogs to spawn treatments for human cancer.
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.
Partly because I wanted to experiment with «lessmeatarianism» — a way of eating that involved fewer animal products.
In order to determine the lethal toxic level of capsaicinoids in animals, and to extrapolate that level for humans, researchers in 1980 performed a rather gruesome experiment with mice, rats, guinea pigs and rabbits.
I have been experimenting more and more with recipes that require eggs, and seeing as I try to avoid animal products, using chia paste or chia eggs are a perfect substitution.
Converting to a plant based diet is a wonderful opportunity to experiment with flavours and get in touch with our creative sides whilst getting healthy and reducing harm to our environment and of course, the animals.
Experience storytime with real animals in Raleigh, cocoa and snowball experiments in Apex, fun with anime and manga in Durham, and duct tape crafts in Raleigh.
-- Visit the Park — Help prepare dinner — Create a board with «THINGS TO DO» — Have a healthy food art snack (Shape some veggies into an animal)-- Paint — Relax and read a book — Practice the ABC's — Create a fun science experiment — craft a project for the grandparents — Play a Scavenger Hunt — Do a Jigsaw Puzzle — Watch a documentary movie
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.
Experiment with a prop or two, such as a single stuffed animal or a stool that your baby likes to pull up on.
We can not use randomized controlled experiments with people but do so with animals, demonstrating, for example in Michael Meaney's lab, that affectionate touch in early life is critical for epigenetic controls of anxiety in mammals.
Keep toys or a favorite token (lovey, blanket, stuffed animal) in front of them so they can experiment with moving their body and strengthen themselves to successfully sit up in their own time.
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 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.»
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.
When the researchers presented plans for their study to tribe members who were trained research assistants, the assistants protested that the experiment — which involved watching children play with toy animals — was not culturally appropriate.
That's why hair care manufacturers have experimented for decades with animal - and plant - based proteins that could potentially replace the broken bonds in hair keratin.
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In similar experiments, animals with less NPAS4 in the nucleus accumbens took more time to form those early connections between environmental cues and cocaine, but they still sought the drug just as often during later simulated relapse.
Building the Picture Much of what we know about how neurons allow animals to make sense of their surroundings began with experiments performed on the visual cortex of animals by David Hubel and Torsten Wiesel.
The key challenge was to figure out what the right question was, and then to formulate a model that could both answer it theoretically and lead to predictions that would be testable through observations and experiments with real animals.
In experiments with animals, if we retrieve a memory and inject a drug that blocks the molecular process that leads to storage, the memory is lost.
Animal experiments revealed that mice carrying a mutated SCN8A gene had reduced heart rate compared with their healthy littermates, and that administration of caffeine produced an abnormal heart rhythm known as accelerated idioventricular rhythm.
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.
In the present experiment, the researchers studied animals that learnt to associate a sound with a puff of air in the eye that caused them to blink.
Chen agrees: He said his experiment «carries much less risk of creating animals with greater «brain power» than normal» because the human organoid goes into «a specific region of already developed brain.»
And instead of surmising the animals» thinking from field observations or working with a single trained subject, she conducted repeatable laboratory experiments, carefully designed to rule out alternative interpretations, with multiple birds whose history was uncorrupted by previous work.
Shettleworth calls the study «provocative,» but insists that further experiments with more animals are needed before Santino's behavior can be interpreted as advance planning.
Suzuki hopes to experiment next with animals that model muscular dystrophy and amyotrophic lateral sclerosis.
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.
Researchers had experimented before with injecting blood into animal brains, to mimic a hemorrhage, and had indeed observed the onset of hydrocephalus.
Niko Tinbergen, a pioneering investigator of animal behavior, experimented with herring gulls 50 years ago, but the relevance of his work to evolutionary theory has not been widely appreciated.
Diamond's lab circumvented this problem by creating female mice that had a key interferon gene knocked out; in a second experiment, they treated pregnant animals with an anti-interferon antibody.
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.
They call this form of activation «non-ligand-dependent,» and in a complex series of biochemical and animal experiments, traced the pathway through which FER's binding to MET inside the cell sets off a cascade of cell - signaling events, all directly connected in prior research with cancer initiation, including RAC1 / PAK1 and SHP2 - ERK.
The researchers are conducting ongoing experiments that suggest they can, similar to animals equipped with eyes, Sumner - Rooney says.
And it's arresting to learn that Thomas Hunt Morgan turned to the fruit fly, Drosophila, as a tool for genetics experiments not, as we are usually informed, because it bred quickly on cheap food, but because he had no funds with which to purchase larger animals.
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