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Tag: "waking" at biology news

Protein discovery could unlock the secret to better TB treatment

...cret to quicker, more effective treatment of TB by waking TB bacteria in the body. Once the TB bacteria are active again, the disease becomes treatable using common drugs like antibiotics. Scientists believe that uncovering the molecular structure of this protein will lead the way to designing drugs which e...

Wisconsin researchers identify sleep gene

...ves are slower during deep sleep and faster during waking times. One way of getting from the faster to the slower state is by opening ion channels, allowing potassium to flow through them. "Our hypothesis is that if you don't have potassium channels, you won't get slow waves," Cirelli says. "The cell membr...

Protein Discovery Could Unlock The Secret To Better TB Treatment

...cret to quicker, more effective treatment of TB by waking TB bacteria in the body. Once the TB bacteria are active again, the disease becomes treatable using common drugs like antibiotics. Scientists believe that uncovering the molecular structure of this protein will lead the way to designing drugs which e...

Deep sleep short-circuits brain's grid of connectivity

... higher regions of the brain - regions that during waking hours are a bustling grid of neural dialogue - apparently lose their ability to communicate effectively, causing consciousness to fade. Writing today (Sept. 30) in the journal Science, a team of researchers led by University of Wisconsin-Madison pro...

Frog peptides block HIV in lab study

... higher regions of the brain - regions that during waking hours are a bustling grid of neural dialogue - apparently lose their ability to communicate effectively, causing consciousness to fade. Writing today (Sept. 30) in the journal Science, a team of researchers led by University of Wisconsin-Madison pro...

A novel method to measure circadian cycles

...ed in foreign time zones, may get an answer to why waking up is hard to do. ...

New understanding of jet lag

...l timekeeper - the biological clock that regulates waking and sleeping cycles - has two parts that fall out of synchrony during light schedule shifts of six hours, the time it takes to fly across the Atlantic. The finding may explain, at least in part, why transmeridian travelers suffer from jet lag, the m...

Waking a sleeping virus

...ycle. Since ZEBRA is essential to the first steps, waking the virus, blocking it would be much better." To identify weak points of ZEBRA as potential drug targets Morand and Carlo Petosa from Müller's group created a high-resolution map of the protein's structure. Using the unique technology "platforms" th...

New Research Shows Artificial Light at Night Stimulates Breast Cancer Growth in Laboratory Mice

...one that helps to regulate a person’s sleeping and waking cycles. The new study shows that melatonin also pl...trations are not elevated during a person’s normal waking hours.?/p> “If the link between light exposure and cancer risk can be confirmed, it could have a...

Internal body clock dictates timing of different types of stroke

...timing of the stroke was recorded as either during waking hours or during sleep, the researchers looked for ...ases concentrated in the period immediately before waking up, although the stroke would probably have begun earlier, say the authors. Sleep lowers blood pre...

Breaks in hibernation help fight bugs

... long they risk serious infection, she says, while waking up frequently wastes precious energy, and could prove fatal as well. In other words, animals with an optimal time of torpor will win out over others, says Luis, who presented her findings at the 91st annual meeting of the Ecological Society of A...

Adults who go to bed lonely get stress hormone boost next morning

...hey have elevated levels of cortisol shortly after waking the next morning. Elevated levels of cortisol -- ...pon waking, increase in the first 30 minutes after waking and then decline to low values at bedtime. Adam, with her colleagues John T. Cacioppo and Louise ...

First biomarker for human sleepiness identified in fruit flies

... lacking the gene for amylase had normal sleep and waking cycles, showing that while amylase is tightly linked to sleep drive, it is not actively involved in its regulation. "We're very pleased with how tightly amylase levels correlate with sleep debt, but for a good diagnostic test we're likely going to...

A potential biological cause for sudden infant death syndrome

...sitivity to carbon dioxide, and temperature during waking and sleep. When babies sleep face-down or have their faces covered by bedding, they are thought to re-breathe exhaled carbon dioxide, therefore breathing in less oxygen. Normally, the rise in carbon dioxide activates nerve cells in the brainstem, whi...

Sleep disturbances affect classroom performance

...g during the day, snoring every night, a hard time waking up in the morning, sleepiness during the day, and falling asleep in class. "While a series of previously-conducted studies all found that adolescents reporting inadequate sleep, irregular sleep patterns, and/or poor sleep quality do not perform as...

'Night owls' report more insomnia-related symptoms

...s of nocturnal sleep, sleep period variability and waking correlates and consequences of insomnia. Compar...s? reported the most sleep/wake irregularities and waking distress, even after adjusting for severity of sleep disturbance. “Our findings indicate that fur...

Out-of-body experiences may be caused by arousal system disturbances in brain

...isual or auditory hallucinations immediately after waking up or before falling asleep due to an ill-timed disconnection between the brain and the body. Although it was once considered very rare, about 25 percent of all people have probably experienced sleep paralysis sometime during their life. During a...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ver two weeks and recorded their voices during all waking hours. The data captured voice-production events as short as 0.0316 seconds and as long as 100 s. On average, the teachers had 1,800 occurrences of voicing per hour at work, compared to 1,200 per hour during non-work periods (for a total of as many a...

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