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Tag: "resetting" at biology news

After a time-shift, mixed signals from the circadian clock

...oscillations in activity that corresponded to slow resetting of the clock in response to the shifted light sche...inct pattern of activity that corresponded to fast resetting of the clock. Perhaps contributing to the different behavior of the two groups of clock cells are t...

The circadian clock: Understanding nature's timepiece

... experiment further with a technique that involves resetting the circadian clock by altering serotonin levels, the same neurotransmitter that the anti-depressant Prozac targets. He says it could one day be possible to move people ahead eight hours simply with a pill and light therapy. All terrestrial organism...

A resetting signal keeps circadian rhythm on track in Drosophila fruit flies

...arkness for extended periods of time. This daily resetting signal flows from the morning to the evening cells and maintains a 12-hour difference between the timing of morning and evening activity, without the need for any environmental cues. The Brandeis researchers came to this conclusion by speeding up on...

Travelers can avoid jet lag by resetting their body clocks

... melatonin -- allows travelers to avoid jet lag by resetting their circadian body clock before crossing several...y Medical Center in Chicago. Phase advance is the resetting of the circadian clock earlier in time so that all the circadian rhythms of the body occur earlier. ...

Novel connection found between biological clock and cancer

...he damage is fixed. The researchers found that the resetting effect of DNA damage requires the period-4 clock protein, and that period-4 is the homolog, the Neurospora version, of the mammalian checkpoint kinase. Moreover, the clock regulates expression of the period-4 gene. This closes a loop connecting the ...

Gene that makes people 'early to bed and early to rise' demystified

...e Period 2 (Per2) clock gene--which is crucial for resetting the body's central clock in response to light--cannot be chemically modified by another enzyme that controls it. That failure leads to a reduction in the number of copies of the Per2 "message," and the characteristic shifted sleep pattern. Eventua...

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