Sentences with phrase «during animal studies»

This was due to a result of tumors, which came about during animal studies on the drug.
It is expected that if an essential oil or constituent cause harm during animal studies, that the essential oil has a strong potential for causing harm to a human baby, too.

Not exact matches

And animal and human studies suggest that many of the physical changes associated with fasting start during a shorter fast.
The only animals Rozin found during the course of his studies who exhibited true, laboratory - proven preference for chile, were two chimpanzees and a dog, all of which had strong relationships with humans.
The practice of ultrasound during pregnancy is highly controversial with authorities acknowledging that there are clear hazards as found in animal and cell studies.
A raft of studies in laboratory animals, molecular models and cancer patients suggest that pain drugs given during and after cancer surgery stimulate the growth and spread of certain tumors.
Combing the genetic data from a transmission study in ferrets, a team led by Thomas Friedrich, a professor of pathobiological sciences at the University of Wisconsin - Madison School of Veterinary Medicine, found that during transmission, when one animal is infected by another through sneezing or coughing, the process of natural selection acts strongly on hemagglutinin, the structure the virus uses to attach to and infect host cells.
She added that careful supervision was provided during the study, to ensure the welfare of the children as well as the animals.
Fiona Mathews of the University of Exeter, UK, who led the study, says the findings echo those in animals, which are also more likely to produce boys during times of plenty, whereas female mice with low blood sugar also seem more prone to producing girls.
Horner and his experienced colleagues — a structural geologist; a stratigrapher; a taphonomist (one who studies what happens to animals after they die); paleontologists specializing in vertebrate, mammalian, plant, and mollusk fossils; a molecular paleontologist; and an expert on paleomagnetism — are surveying all the fauna and flora that existed during the Hell Creek period (and that survived as fossils), the ways they interacted, and how they may have evolved.
The potential strategy — which targets metabolic pathways that are active only during intestinal inflammation — prevented or reduced inflammation in a mouse model of colitis while exerting no obvious effect in control animals with healthy, balanced bacterial populations, said Dr. Sebastian Winter, Assistant Professor of Microbiology and co-corresponding author of the study published online today in Nature.
A new study unequivocally points to humans as the cause of the mass extinction of large animals all over the world during the course of the last 100,000 years.
When polar bears» feeding opportunities decrease during the summer ice melt, the animals can reduce their energy expenditure a little, but not enough to make up for the food shortages, a study in the 17 July issue of Science shows.
Once we have demonstrated the proof of concept in animal studies, the next goal will be to work towards the first human clinical trial with graphene devices during intraoperative mapping of the brain.
Recent studies have found that patterns of neural activity seen when an animal is learning a new task are replayed later during sleep.
Unfortunately, it's not easy to study animals that only show up two or three times during one's scientific career.»
Findings from a study in animals appear to demonstrate that temporarily blocking a type of protein, called type I interferon, can restore immune function and speed up viral suppression during treatment with anti-viral drugs for people with chronic infection of the virus that causes AIDS.
That's why CIEP typically identifies by family rather than genus; genus is deduced later during the study based on knowledge of the animals present at that time and place in the fossil record.
(1) However, while previous research on humans and other animals has shown that certain types of learning, like conditioning, can occur during sleep, (2) this study reveals that we can also memorize new representations and objects (here auditory «objects») while dozing.
Exposure to the endocrine - disrupting chemical bisphenol A during pregnancy may raise a mother's susceptibility to weight gain and diabetes later in life, according to a new animal study published in the Endocrine Society's journal Endocrinology.
«These platforms will, hopefully, in the future, be used as an animal alternative during pre-clinical testing to more accurately direct these studies toward successful results in humans.»»
Sharpe and Emery's study focuses on Aguateca, Piedras Negras and Yaxchilan, capitals during the late Classic period (A.D 500 to 900) and indicates that the Maya had a complex social system regulating trade, food distribution and access to animal species.
For her PhD, Viglietti studied the fossil - rich sediments present in the Karoo, deposited during the tectonic events that created the Gondwanides, and found that the vertebrate animals in the area started to either go extinct or become less common much earlier than what was previously thought.
«Imaging studies allow us to gather enhanced information through longitudinal studies of the same animal during the course of the infection.»
For the JCI study, the team applied the radiotracer to monitor olfactory sensory neuron population dynamics in a rodent model, using PET to measure its uptake across the animals» lifespan, including during age - related neurodegeneration.
This bacterial transfer may begin in the womb, animal studies suggest, and continues during a trip through the birth canal.
During my 4 - year study, I did two 6 - month training periods: one in molecular animal physiology and one at the CMBI.
Four different animal studies presented at the recent Society for Neuroscience meeting add another mandate to the list: High - fat diets during pregnancy could have sweeping effects on a female's offspring.
In contrast, numerous studies on the social behavior and choice of mates among reptiles and birds, which are active during the day, have shown that information transmitted via color exerts an enormous influence on those animals» ability to communicate and procreate successfully.
«Animals interact with their environment based on stereotypical movement patterns, such as those performed during running, breathing or feeding,» explains Prof. Lohmann, who directs the Developmental Biology research group at the Centre for Organismal Studies.
The researchers were not to know that during the year of their study there would be a severe drought, which led to the death of the study animals.
Now the study by Mari Teesalu, Bohdana Rovenko and Ville Hietakangas reveals a new mechanism that allows animals to increase their reductive power during conditions of high sugar intake.
During the study of a number of aardvarks by researchers of the Brain Function Research Group at the University of the Witwatersrand, all but one of the study animals — as well as other aardvarks in the area — died because of a severe drought, with air temperatures much higher than normal and very dry soil in the area.
In a new study, UC Santa Barbara marine biologists applied existing technology in a novel way to monitor animals coming into and going out of a lagoon via a deep channel dredged during World War II.
Based on previous studies of the life - history, physical and ecological aspects of fecundity, Dr Pincheira - Donoso's work also concludes that the theory should distinguish between fertility during an animal's lifetime and during one particular breeding season, rather than grouping all time periods together.
One of his latest studies, published in 2015, found that exposure to bright blue - white light during the day has the opposite effect of light exposure at night: It greatly enhances the release of melatonin and inhibits the proliferation of prostate cancer cells in an animal model.
But during a recent study of the bat, Buden discovered that a German naturalist voyaging on a Russian expedition had observed and named the animal some 50 years earlier.
During their research — which involved careful study of the skulls and skins of related flying fox species in 8 different museums on 3 different continents — the researchers straightened out a second point of confusion in the scientific literature regarding these animals.
«We have studied the functions of ESRP genes during the embryogenesis of various animals.
Stephan Lautenschlager, lead author of the paper, said: «The two different growth stages of Dysalotosaurus provided a unique opportunity to study their brain, and how it developed during the growth of the animal
Male fence lizards of the species Sceloporus undulatus have bright blue «badges» outlined in black on both sides of their throats and abdomens, and previous studies have shown that testosterone drives the production of these badges, which are highly visible during the animal's courtship rituals and other behavioral displays.
«It is known from previous studies in animals that the active neural pattern during a certain experience is reactivated once this experience ends, so the idea was to observe in a group of volunteers what happened at the brain level when a certain episode ended,» explains researcher Ignacio Soles.
The results of this 20 - year study show that animal and plant communities were much more changeable during the ice age than they have been during the last 12,000 years of interglacial climate in which we live today.
- In a rat study, exposure to nicotine during adolescence sent animals into a depression - like state in adulthood, with decreased sensations of pleasure and increased susceptibility to anxiety.
The GPS collars delivered highly accurate locations of the study animals (via satellites or cell towers) so the researchers were able to visit these locations during winter to investigate their activities and document predation patterns.
In animal studies, exosomes secreted by immune cells during environmental enrichment caused cells in the brain to start myelin repair.
At a just - concluded archaeology meeting in Paris, and in a paper published online today in the Proceedings of the National Academy of Sciences, they draw upon further studies at the site to argue that the animal remains — which include the shells of 71 tortoises and the bones of at least three wild cattle — were consumed during a feast to commemorate the death and burial of the woman.
«Drinking sugar - sweetened beverages during adolescence impairs memory, animal study suggests.»
In what is thought to be among the first studies of frustration in free - ranging animals, the findings, published online in the Journal of Comparative Psychology, suggest that animal tail movements reveal their emotional states, particularly the exasperation they feel when stymied during problem - solving tasks.
However, from our study, it is now clear that signature whistles are a vehicle to negotiate approaches between groups of animals, as the exchanges occurred only during group encounters.
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