Tag: "suggests" at biology news

Low Iron Levels Cause Weakness In Women Who Are Not Anemic

...r iron depletion, the researchers point out. "This suggests that millions of women are impaired -- working har...ed with the supplemented group," Haas said. "This suggests that iron depletion not severe enough to cause anemia reduces performance potential at submaximum wo...

Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks

...udy of brain tissue removed from epilepticpatients suggests that diseased tissue may in fact produce wavepatterns that are dramatically different from the waves produced byhealthy tissue. "We have seen very rapid local oscillations in the calciumions of epileptic cells, which may correspond to a very noisy f...

Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say

...een ponderingfor some time," Tallamy says. It also suggests an interesting topic fordiscussion between parents and children, he adds....

Better Peroxidase Improves Disease Diagnosis

... industry sources. Vierling's preliminary research suggests that kits made with soybean peroxidase should last unrefrigerated for at least a year. Such kits will be very useful in places such as China, Africa and Central America, he says. Vierling, director of the Genetics Laboratory for the ICIA, started exp...

Couch Potatoes, Not French Fries, May Be To Blame For Obesity

...is a confoundingly complex one. At most, the study suggests that the types of food one eats may not matter as much as the amount of calories consumed or the amount of exercise. "Fast-food restaurants may be to blame in some way for the nation's weight problems, but in general there is little evidence of that,...

Resistance To Leptin Contributes To Obesity

...in thebody's response to weight gain. This result suggests that lean animalsincrease their production of leptin to return their weight to the setpoint," explains first author Jeffrey L. Halaas, B.S., biomedical fellow atRockefeller. "Also, leptin acts to blunt the reduction in energy use thattypically follo...

Single Mechanism Seen To Underlie Group Of Neurodegenerative Diseases: Mutant Proteins Form Insoluble Masses In The Nuclei Of Neurons

...ain brain cells. It's a pathological hallmark that suggests that a singledisease mechanism may underlie this group of afflictions." The new results suggest several directions for future research,according to Pittman. Because the proteins involved are produced in cellsthroughout the body, including the...

Common Childhood Virus Poses Threat To Adults, Research Shows

...ealthy adults. The Ohio State University research suggests that because doctors andhospitals do not routinely test adults for Respiratory Sincytial Virus (RSV),a form of viral pneumonia, they sometimes misdiagnose it as bacterial pneumonia,which requires different treatment. “Antibiotics for bacterial ...

One Chimp Can Perceive States Of Awareness In Others

...ether their partners know they are in danger. This suggests that theseprimates are able to decide how ignorant...o State University'sComparative Cognition Project, suggests that chimps share with humans theability to perceive the knowledge state of a peer, and perhaps the ...

Researchers Discover First Animal Strain Of Hepatitis E Virus

...vity of the swine and human strains suggests that swine hepatitis E virus could prove ... virus from human hepatitis E virus suggests that it has been around for a long time." In addition to the ...

MGH-Led Team Finds Gene For Crippling Neurologic Disorder

...ciated with disease, isunique," Ozelius says. "It suggests that this specific area of the gene and ofthe protein it codes for must be crucial to its function, which is stillunknown." The researchers also found that the DYT1 protein has significant similarities to the heat-shock proteins and proteases. Foun...

Imaging Studies Illuminate Brain's Response To Cocaine

...ing high level of activation into thecraving phase suggests that it also plays a role in incentive, the motivationleading to a change in behavior, which is key to the development of addiction."Alan Leshner, PhD, director of the National Institute on Drug Abuse, a primaryfunder of this research, says, "These s...

Study: Hydrogen Bonds Aren't Key To DNA Pairing After All

...e Proceedings of the National Academy ofScience , suggests that it's now more likely than ever thatthe distinctive shapes and sizes of each of the four DNA basesunderpin the impressive 99.99-percent accuracy of DNA replication. Like a space in a jigsaw puzzle that can be filled only by the one piece with a m...

Scientists Find New Trigger For Nerve Cell Death

...n orspinal cord is injured or becomes diseased. It suggests that when potassiumjumps ship, neurons commit suicide. "If our hypothesis proves correct, it will open up new possibilities forprotecting nerve cells in patients who suffer stroke, head injury, spinal cordinjury or neurodegenerative disorder...

Purdue Study Finds Prehistoric Couch Potato

...ent more air per breath for the same effort. "This suggests that there was some kind of pressure on these dino...ventually did catch up with the northern dinosaurs suggests that there was an optimal level of respiratory efficiency for the dinosaurs, and that all the dinosa...

Purdue Researchers Track Oil Spill's Effects On Sea Otters

...pabilities. "Evidence of oil in the animal's blood suggests they may be exposed by ingesting oil when they groom their fur, or they may be eating contaminated food," Snyder says. "These studies should shed light on the mechanism." Snyder's otter study is part of a larger research project to investigate the re...

Max-Planck Researchers Unravel The Structure Of The Methane Forming Enzyme

...for bulk solvent. The arrangement of the coenzymes suggests that the nickel atom of coenzyme F430 is involved in the reaction by forming a short-living Ni-CH3, metal-organic compound rarely found in biological systems. The structure was solved in two different enzyme states which ressemble the ...

Strange South American Fossil Mammals Found In Madagascar And India

...res on these three now widely separated landmasses suggests to us that they were connected in the Late Cretace...etaceous. "It's not just the mammal evidence that suggests that Africa was off doing its own thing; the dinosaur evidence also indicates a high degree of Afric...

Dendritic Cell Therapy For The Treatment Of Cancer

... to totally eradicate cancers. However, Dr Austyn suggests that thisproblem may be overcome by using dendritic cells in conjunction with other typesof immunotherapy. Dendritic cell therapy alone may also prove useful for patients at high risk ofrecurrence after a primary tumour has been removed by surgery, o...

Mysterious Wildlife Disease

...ave been ruled out, and while microscopic evidence suggests that a neurotoxin may be the cause, tests for natural and man-made toxins that can cause this type of disease have so far been negative. Miller said that field investigations led by the USGS Center are under way, and scientists are hoping that clues...

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