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Tag: "spontaneous" at biology news

Modeling the restless brain

...at the brain will produce. We believe that ongoing spontaneous activity should be studied in itself. Other resear...gical and Brain Sciences, took a close look at the spontaneous activity of the brain at rest. With their computational approach -- which involved creating a large-...

Keeping the immune system from starting a 'food fight'

...nt mice became inflamed, and the animals developed spontaneous metabolic disease on a regular diet, manifesting insulin resistance, glucose intolerance, high blood sugar and lipid levels, and fatty liver disease. They also showed that the loss of STAMP2 exacerbated the metabolic symptoms of mice with a genetic p...

Do fruit flies have free will?

...n evolved function in the fly brain which leads to spontaneous variations in fly behavior" Sugihara said. "The re... understand the brain circuits responsible for the spontaneous behavior. This step could lead directly to the development of robots with the capacity for spontaneo...

Latent memory of cells comes to life

...sex or hermaphrodite. The experiment showed that a spontaneous change occurred in the yeast cells about every 2000 cell-generations. By building a mathematical model based on positive feedback from the microscopic state of the nucleosomes, the research group could simulate the experimental results and in this w...

Study shows dramatic increase in Caesarean sections

... outcome." In the most recent five year period, spontaneous vaginal births had dropped by 5 per cent, while forceps and vacuum assisted deliveries were down by 15 per cent. ...

Flies don't buzz about aimlessly!

... many others seem to appear spontaneously. Are the spontaneous flight paths really random, do they serve any real purpose? Armed with a computer video tracking system and an array of mathematical techniques the two researchers have revealed how the flight patterns of starved fruit flies constitute an optimal...

Study suggests some drug resistance to influenza B medications

...vigorous pathogens. Whether these viruses arise by spontaneous mutation or through drug selection, or whether they are transmitted within families or acquired from the community, the resistant variants may be here to stay. In light of the recent observation that oseltamivir may be less effective against influenz...

Robotic therapy helps restore hand use after stroke

...e pilot study using this robotic device. "Most spontaneous improvement in function occurs in the first three months after a stroke, and after that things tend to plateau," said Dr. Steven C. Cramer, senior author of the study and associate professor in neurology, anatomy and neurobiology at UCI. "Robot-assis...

Insomnia drug can improve brain function

...er tapping and walking, and language tests such as spontaneous speech, word repetition, and object naming. They a...ygen deprivation may have been too severe to allow spontaneous speech. They conclude that single patient trials can be a logical approach to identifying potentiall...

Common blood test can help distinguish between mononucleosis and tonsillitis

...andular fever [mononucleosis] is the prevention of spontaneous rupture of the spleen and acute intra-abdominal hemorrhage," potential complications of mononucleosis, the authors write. Currently, distinguishing between them requires an expensive mononucleosis spot test. Dennis M. Wolf, B.Sc., D.O.-H.N.S., M...

New bird, bat species revealed by extensive DNA barcode studies

...s principal research efforts were on the causes of spontaneous mutations and how genes repair themselves. He r...s was studying the number of genes responsible for spontaneous mutation rates in yeast, and in our first random sample we discovered that one-third of them control...

Cancer that colonizes our bodies

...s principal research efforts were on the causes of spontaneous mutations and how genes repair themselves. He r...s was studying the number of genes responsible for spontaneous mutation rates in yeast, and in our first random sample we discovered that one-third of them control...

Pregnancy hormone key to repairing nerve cell damage

...ce found that the hormone prolactin encourages the spontaneous production of myelin, the fatty substance that coats nerve cells and plays a critical role in transmitting messages in the central nervous system. A collaboration between the laboratories of Drs. Samuel Weiss and V. Wee Yong of the Hotchkiss Brain In...

Does a peptide affect the heart's response to social isolation?

...re limitations to the study, including the lack of spontaneous puberty and estrous cycles in female prairie voles (unlike their human counterpart), the results serve as a springboard into better understanding the mechanisms that underlie the relations between social behavior and cardiac function in humans. ...

Older fathers more likely to have autistic children

... mechanisms for the paternal age effect, including spontaneous mutations in sperm-producing cells or alterations in genetic "imprinting," which affects gene expression. "It is important to keep in mind, however, that age at paternity is influenced by the sociocultural environment and varies across societies and...

Gene therapy inhibits epilepsy in animals

...y then evaluated the rats for later development of spontaneous seizures or epilepsy, which usually occurs after a...vels of alpha1 proteins and either did not develop spontaneous seizures, or took three times as long to experience a spontaneous seizure, compared to rats that did...

Scientists discover way to block growth of prostate cancer cells

...uced oxidative stress in the prostate and prevents spontaneous prostate tumour development," said Dr Basu. More tests have to be carried out, but the researchers, working with the world-renowned prostate cancer clinician Dr George Wilding (a co-author of the paper), hope that phase I clinical trials of MDL mi...

Antibody extends life of mice with breast cancer

...oth a dramatic decline in the overall incidence of spontaneous metastasis to the lung -- 88 percent to 47 percent -- and fewer macroscopic metastatic lesions." The research group currently is determining if JAA-F11 could increase the effectiveness of existing cancer drugs, she said, as well as studying t...

New mechanism underlying pain found

...ety for Neuroscience. Neuropathic pain, or the spontaneous pain and abnormal sensitivity following a nerve injury, typically results from a traumatic injury, an infection or disease, or surgery, and can persist long after the initial injury has healed. Millions of people worldwide suffer some form of neuropa...

Common cold virus leads to death in lung transplant patients

...inoviral replication in the lung in the setting of spontaneous infection has been lacking. This report informs our understanding of the mechanisms underlying rhinovirus-induced exacerbations of asthma and COPD." They continued: "These exciting new data raise the possibility that patients with asthma and other...

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