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hibernating in Medical News

Stroke Damage Is Less in Rats Given Opioids

...d drugs reduced brain damage and behavioral dysfunction in a study of rats that experienced an experimental stroke, researchers report. "Studies in hibernating and active squirrels have shown that 'natural hibernation' has anti-ischemic effects," Cesar Borlongan, a neuroscientist at the University of South Fl...

Dying bats in the Northeast remain a mystery

... The condition was first observed in February 2007 in caves near Albany, N.Y. by the New York State Department of Environmental Conservation. Dead and hibernating bats had a white substance on their heads and wings. In early 2008, white-nosed bats were once again seen at hibernation sites. Scientists have co...

A new way to fight cancer: the silver shield

...o what Longo calls a maintenance mode characterized by extreme resistance to stresses. In essence the cells are waiting out the lean period, much like hibernating animals. But tumors by definition disobey orders to stop growing because the same genetic pathways are stuck in an on mode. That could mean, Lon...
hibernating in Medical Technology

White Nose Syndrome: Is Pennsylvania Next?

... in hibernacula occurs when movement by afflicted bats awakens healthy bats hibernating nearby. These repeated disturbances may cause healthy bats to draw from cri...blem they contracted while wintering. We also will focus on examining their hibernating patterns and conditions with Dr. DeeAnn Reeder, a bat physiologist at Buckn...
hibernating in Biological News

Biologist discovers pink-winged moth in Chiracahua Mountains

...cahuas, it's probably pretty common," he said. Finding it is another matter because moths like Lithophane tend to over-winter at higher elevations, hibernating when there is snow on the ground and flying off at the first signs of spring. Walsh said bats are the primary predators of moths, and so if the insect...

Control of blood vessels a possible weapon against obesity

...n up new therapeutic avenues for obesity and metabolic diseases like diabetes." Brown fat releases heat when it breaks down, and is mainly found in hibernating animals. In humans, it is found in newborn babies, but scientists believe by controlling blood vessel development that it might be possible to transfo...

NIH extends commitment to transformative research with 2008 Pioneer, New Innovator Awards

...t professor of pediatrics and neurology at the McKusick-Nathans Institute of Genetic Medicine, who will study the mechanisms underlying the ability of hibernating mammals to maintain skeletal muscle mass despite prolonged periods of immobility. Xiangfeng Duan, Ph.D., University of California, Los Angeles, as...

Hot peppers really do bring the heat

...d, all the ATP energy is given off as heat. This uncoupling, known as thermogenesis, is one important method of staying warm and is most often seen in hibernating animals. Mahmoud notes that capsaicin is the first natural compound known to augment the thermogenesis process . These findings further explain h...

Caltech researchers find dual-use sexual attraction and population-control chemicals in nematodes

...te form. At higher concentrations, 100 to 1000 times stronger, males were repelled, sexual reproduction ceased, and existing worm larvae entered their hibernating stage. "This is the first glimpse into the chemical code that nematodes are using to communicate," says Sternberg. Adds Srinivasan, "It is the fir...

Medical College researchers find dinosaur clues in fat

...l mammals, have two kinds of adipose tissue, white fat and brown fat. White fat is used for storing energy-rich fuels, while brown fat generates heat. hibernating bears have a lot of brown fat, as do human infants, who have much more than adults, relative to their body size. Infants brown fat protects them from ...

Power of molecular imaging reveals secrets of the heart

...airing dysfunctionalyet viablemyocardial tissue, a condition referred to as hibernating myocardium. Kendziorra said he believes that in addition to assisting in m...hose who would profit the most from CPC administration. Early detection of hibernating myocardial tissue via noninvasive imaging modalities such as PET and SPECT ...

Medical breakthrough for organ transplants and cardiovascular diseases by Flemish researchers

...animals that live underground or that can dive under water for a long time. hibernating animals turn their bodily processes down low and live with a reduced amount... The absence of PHD1 might also explain the mysterious adaptations of hibernating animals, with important implications for the preservation of organs for tra...

What animals can tell us about hemorrhage, organ transplants and aging

...ging in long-lived animals." How is it that: hibernating squirrels can lose up to 60% of their blood volume...urs when the blood flow is restored (reperfusion). hibernating animals have significantly reduced blood flow when...rom hibernation. "If we can figure out how the hibernating ground squirrel does that, we might be able to avo...

Reversing 'hibernating' heart muscle focus of UB researchers

...ause disabling heart failure and sudden death. hibernating myocardium is a condition in which myocytes (cells...ular Medicine who developed a novel pig model with hibernating myocardium. Previous research has shown that, ...o restore full contractile function." Areas of hibernating myocardium are common in patients with heart failu...
hibernating in Biological Technology

Biologist discovers pink-winged moth in Chiricahua Mountains

...cahuas, it's probably pretty common," he said. Finding it is another matter because moths like Lithophane tend to over-winter at higher elevations, hibernating when there is snow on the ground and flying off at the first signs of spring. Walsh said bats are the primary predators of moths, and so if the insect...

Ecologists propose first prevention for white-nose syndrome death in bats

...cted bats: providing localized heat sources to the hibernating animals. "We have no idea why it's spreading s...y in the winter of 2006 in upstate New York, where hibernating bats were found with a mysterious white fungus gro...esting that they had starved to death during their hibernating months, and affected populations commonly suffer 7...
hibernating in Biological Definition

Thermoregulation

... Hibernation estivation and daily torpor Rather than cope with limited food resources and low temperatures, some mammals "punt" in a sense by hibernating in underground burrows; in order to remain in "stasis" for long periods these animals must build up brown fat reserves and be capable of slowing all b...
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