Sentences with phrase «scientists tested the animals»

Not exact matches

All the animals completed a series of cognitive tests at the start of the study and were injected with a substance that allows scientists to track changes in their brain structures.

Scientists have linked low doses of BPA to obesity, diabetes, thyroid disease, breast cancer, prostate cancer and other illnesses in lab tests on animals.

So why are UK scientists still conducting antiquated experiments on animals that have, for decades, proved ineffective, while modern non-animal testing methods have advanced by leaps and bounds?

Forward - thinking scientists, many with funding from PETA and its international affiliates, are developing methods for studying diseases and testing products that don't require the use of animals and are actually relevant to human health.

In medicine today, physician - scientists and basic scientists supplement support for their research by applying their expertise part time to develop and test commercial products.1 In my own field, vision science, university - based researchers obtain additional funding through clinical and electrophysiologic studies, pathology, imaging, biochemistry, and animal model development performed for pharmaceutical and instrument companies.

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.

Yet governments continue to mandate animal tests, despite the lack of a formal demonstration of fitness for purpose, and a growing global realisation among scientists that animal toxicity tests are inadequate and must be replaced.

The unexpected idea has been tested only in cells and animals so far, but some scientists are already considering whether lowering oxygen levels might treat certain rare but deadly conditions.

The scientists tested the new compound using a mouse model of TB and found that substituting R207910 for one of three antibiotics in a treatment cocktail significantly reduced the time required to clear the animals» lungs of bacteria.

Safety regulations prohibit introducing these mutations to actual H7N9 viruses, limiting scientists» ability to test their effects in animals.

But aided by new tests that allow animals to show their smarts unhobbled by human preconception, scientists have discovered that there may be more similarities between human and animal intelligence than differences.

Prompted by the recent Zika virus outbreaks in Latin America and some parts of the United States, scientists around the world have been racing to develop candidate vaccines, and already several have been tested in animals.

However, scientists say the tests may have exaggerated the impact by subjecting animals to doses of CO2 far higher than they would sense during careful gas disposal.

In a verdict that U.K. scientists see as a turning point in efforts to protect animal researchers against illegal attacks, a British court yesterday convicted four people of conspiring to blackmail companies that supply an animal testing laboratory.

The 5 - year project, called Tierversuche verstehen (Understanding animal testing), is centered around a website providing scientists» testimonials and background information.

But scientists now report they have developed gels that, in animal tests, can be injected into the heart to shore up weakened areas and prevent heart failure.

Kasting, who is collaborating with Arne Naegel and Gabriel Wittum from Goethe University in Frankfurt, Germany, for this research, says mathematical modeling allows scientists to test chemical compounds virtually, in place of human or animal testing.

The scientists checked fecal swabs taken from dozens of animals in Dong Thap province and found what the virologist calls «remarkably high» incidence of the virus: Nearly 60 % of the animal samples tested positive.

Scientists said the platform is part of LLNL's broader vision for countering emerging and existing threats, allows them to study the networks formed among various regions of the brain, and obtain timely, human - relevant data without animal or human testing.

In a study published in ACS» journal Molecular Pharmaceutics, scientists report that they've developed a simple, «3D» laboratory method to test asthma and allergy medications that mimics what happens in the body, which could help reduce the need for animal testing.

A landmark new study, led by scientists at Bowdoin and the California Academy of Sciences, explores the fascinating, little - known natural history of the face mite species Demodex folliculorum, using genetic testing to link the microscopic animal's evolution to our own ever - evolving human story.

He teamed up with Robert Seder of the Vaccine Research Center (VCR) at the National Institute of Allergy and Infectious Diseases in Bethesda, Maryland, and scientists at other labs to test immune responses to the vaccine in animals.

Organovo chief scientist Gabor Forgacs plans to test the printed vessels in animals late this year.

By disabling the gene for that key protein in test animals, the scientists were able to home in on the mechanism by which that brain region, known as the suprachiasmatic nucleus or SCN, becomes the body's master clock while the embryo is developing.

The lack of an animal model has also prevented scientists from testing and fine - tuning experimental therapies for people.

The scientists used a unique testing facility, consisting of a trailer with computers set up next to a baboon enclosure, which the animals could enter at will and perform trials on the touch - screen computers for as long as they pleased.

To test the elephants» cooperation skills, a team of scientists modified a classic experiment first administered to chimpanzees in the 1930s, which requires two animals work together to earn a treat.

For example, nearly one in three say that scientists in the United Kingdom can use animals to test cosmetics even though the practice has been banned for more than 15 years.

Due to lingering radiation from the 1986 meltdown of the Chernobyl nuclear power plant, humans aren't allowed to live there — but the region has become an accidental ecological testing ground for scientists interested in studying the effects of radiation on wild animals.

Scientists will have to wait a while to find out whether cells that live longer in a test tube will translate into longer lived animals: Cows can live about 20 years.

On Monday, a U.K. court convicted four animal - rights activists of threatening companies that supply an animal testing laboratory, a verdict that U.K. scientists see as a turning point in efforts to protect animal researchers against illegal attacks.

The scientists confirmed that these mice have learning problems by testing them in a Morris water maze, a common lab test of animal learning and memory.

Scientists from the Florida campus of The Scripps Research Institute (TSRI) have successfully tested a potent synthetic compound that prevents type 1 diabetes in animal models of the disease.

section we deal with one of the biggest animal rights myths — that all animal testing is replaceable (but that scientists opt for the more expensive route out of choice....?).

Heiko Woith and colleagues at the GFZ German Research Centre for Geosciences say scientists must determine whether the link between the animal behavior and the earthquake is based on clearly defined rules (such as the animal's distance from earthquakes of a certain magnitude), whether the animal behavior has ever been observed and not followed by an earthquake, whether there is a statistical testing hypothesis in place to examine the evidence, and whether the animal population is a healthy, among other questions.

How «Organs on a Chip» Will Revolutionize Medicine: Scientists can now do research on live human organs without petri dishes or animal testing.

Dec. 18, 2017 - Lawrence Livermore National Laboratory (LLNL) scientists and engineers have developed a «brain - on - a-chip» device aimed at testing and predicting the effects of biological and chemical agents, disease or pharmaceutical drugs on the brain over time without the need for human or animal subjects.

Over the last few years, scientists have been able to recreate accurate models of human organs by embedding living tissue onto chips, allowing them to study the effects of drugs and diseases without testing on animals or humans.

«Scientists had identified and diagrammed these circuits in the late 80s and early 1990s, but there had been no way to test their function in animal models,» explained Dr. Kreitzer.

A trio of scientists from different labs unveiled new data from tests in cells and animals.

Until now scientists conducted most biomedical research through animal testing — which often doesn't translate to humans — or in a petri dish, a static environment that doesn't let cells behave as if they are in the human body.»

Next steps for these scientists include chemically optimizing the compound identified and testing it in animal models.

Scientists study how these new treatments work in animals and may also test new treatments on lab - grown animal tissues or human tissues.

Once a scientist identifies a drug that can be repurposed using the database, the drug's potential effect must be then tested on a new disease, both in animal models and human clinical trials.

In one test, the scientists injected dye into the animals» blood.

The Salk scientists now plan to make blood cells from the repaired stem cells and test their effectiveness in animals.

By using human derived structures, scientists hope for better research and reduced animal testing.

The scientists tested their technique in animal models and cardiomyocytes derived from human stem cells.

If a scientist chooses to use a certain animal in a lab environment, it makes a lot of sense to choose the same animal when testing similar or related research.

This binding is so complete that scientists who wish to study the effects of low zinc concentrations in test animals merely add soy bran to the animals» diet.