Circadian Rhythms Current Events | Circadian Rhythms News | 2
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Renal colic shows a circadian pattern
Renal colic (spasms of pain in the back usually caused by kidney stones) occurs in a circadian pattern, finds a study in this week’s BMJ. view more (2002-03-27)
Genes linked to daily flux in drug toxicity
New findings in the July, 2006, Cell Metabolism, published by Cell Press, may help to explain daily fluctuations in the ability to detoxify chemical substances, including chemotherapy drugs and sedatives. view more (2006-07-06)
Novel connection found between biological clock and cancer
Dartmouth Medical School geneticists have discovered that DNA damage resets the cellular circadian clock, suggesting links among circadian timing, the cycle of cell division, and the propensity for cancer. view more (2006-06-30)
Temperature sensing by the circadian clock
In the September 1 issue of G&D, Dr. Michael Brunner and colleagues have uncovered the molecular mechanism whereby temperature affects circadian patterns in the fungus Neurospora. view more (2005-08-17)
Better sleep may put Huntington's disease sufferers back on track
Mice carrying the genetic mutation that causes Huntington's Disease (HD) showed marked improvements in alertness and their ability to learn after they were given drugs that put them to sleep. view more (2007-07-18)
New sleep gene discovery wakes up scientists
Proteins that regulate sleep and biological timing in the body work much differently than previously thought, meaning drug makers must change their approach to making drugs for sleep disorders and depression and other timing-related illnesses. view more (2006-07-05)
Study identifies food-related clock in the brain
In investigating the intricacies of the body's biological rhythms, scientists at Beth Israel Deaconess Medical Center (BIDMC) have discovered the existence of a "food-related clock" which can supersede the "light-based" master clock that serves as the body's primary timekeeper. view more (2008-05-23)
Melatonin improves mood in winter depression
Researchers at Oregon Health & Science University(OHSU) have found that melatonin, a naturally occurring brain substance, can relieve the doldrums of winter depression, also known as seasonal affective disorder, or SAD. view more (2006-05-02)
Strong associations between disturbed rest/activity rhythms and mortality rates in older men
A research abstract that will be presented on Wednesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS), is the first to report strong associations between disturbed rest/activity rhythms and mortality rates in older, community-dwelling (non-institutionalized) men. view more (2008-06-11)
Resistance exercise resets the body clock
Resistance exercise may directly reset the body clocks in skeletal muscle, according to research published in Genome Biology this week. This result may partly explain how exercising early in the day helps jet-lagged bodies readjust to their new time zone. Many processes in the body vary in a 24-hour rhythm called the circadian rhythm. These... view more... (2003-09-24)
Mom's mood, baby's sleep: what's the connection?
If there's one thing that everyone knows about newborn babies, it's that they don't sleep through the night, and neither do their parents. view more (2008-09-02)
Clock molecule's sensitivity to lithium sheds light on bipolar disorder
Researchers at the University of Pennsylvania School of Medicine discovered that a key receptor protein is a critical component of the internal molecular clock in mammals. What's more, this molecule -called Rev-erb- is sensitive to lithium and may help shed light on circadian rhythm disorders, including bipolar disorder. view more (2006-02-17)
Circadian clock may be critical for remembering what you learn, Stanford researchers say
The circadian rhythm that quietly pulses inside us all, guiding our daily cycle from sleep to wakefulness and back to sleep again, may be doing much more than just that simple metronomic task, according to Stanford researchers. view more (2008-10-09)
Timing of women's labor may determine effectiveness of pain medication
Natural daily body rhythms may influence the effectiveness of spinal-epidural pain medication for women in labor, according to new research from Wake Forest University Baptist Medical Center. view more (2005-09-16)
Researchers propose new molecule to explain circadian clock
The internal clock in living beings that regulates sleeping and waking patterns -- usually called the circadian clock -- has often befuddled scientists due to its mysterious time delays. Molecular interactions that regulate the circadian clock happen within milliseconds, yet the body clock resets about every 24 hours. view more (2007-08-28)
Mouse vision has a rhythm all its own
In the eyes of mammals, visual information is processed on a daily schedule set within the eyes themselves-not one dictated by the brain, according to a new report in the August 24 issue of the journal Cell, a publication of Cell Press. view more (2007-08-24)
Circadian surprise: A heat sensor for body-clock synchronization
New research on the fruit-fly brain points to a possible mechanism by which temperature influences the body clock, according to scientists from Queen Mary, University of London. view more (2009-10-30)
Cicardian system suffers and protects from prenatal cocaine exposure
Researchers from Boston University School of Medicine (BUSM) have shown that prenatal cocaine exposure in zebrafish (which share the majority of the same genes with humans) can alter neuronal development and acutely dysregulate the expression of circadian genes and those affecting melatonin signaling, growth and neurotransmission. view more (2007-07-11)
Phase of clock gene expression in human leukocytes correlates with habitual sleep timing
The phase of clock gene expression in leukocytes, assessed in the absence of the masking effects of light-dark and sleep-wake cycles, correlates with habitual sleep timing, according to a study published in the May 1 issue of the journal SLEEP. view more (2008-05-01)
Missing or mutated 'clock' gene linked to vascular disease
The circadian clocks that set the rhythmic motion of our bodies for wakeful days and sleepy nights can also set us up for vascular disease when broken, Medical College of Georgia researchers say. view more (2009-03-26)
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