circadian

Circadian clock genes have popped up in all types of creatures and in many parts of the body.

The salient issue, says study co-author Fred Turek, may be the disruption of the body's internal clock, known as the circadian rhythm.

When scientists examined the pair's DNA, they found a mutation in a gene called DEC2, which governs cell production and circadian rhythm.

Most interestingly, these modifications seem to act in concert and are associated with the circadian metabolic rhythm of cells.

Russell Foster, a professor of circadian [body clock] neuroscience at Oxford, shares this point of view.

Accumulating epidemiological and genetic evidence indicates that the disruption of circadian rhythms might be directly linked to cancer.

This suggests that abnormal metabolism in cancer could also be a consequence of a disrupted circadian clock.

The easiest of the body's circadian clocks to reset is that of the brain, Northwestern's Dr. Turek says.

Some inner clocks seem to be set to a timing cycle of about twenty-four hours. These are called circadian rhythms.

Now I think there's a much better a way to accomplish this without the least bit of harm done to anyone's circadian rhythm.

Macy said the findings suggest there are many factors, including biological circadian rhythms and work, that all interact to impact mood.

Using the least amount of light possible to get around helps avoid disturbing the body's circadian clock.

Younger adults are more able to stretch the limits of our circadian rhythms, but that flexibility decreases as we age.

In other words, at least for humans, circadian rhythm is not entirely a matter of genetics.

Melatonin is produced by the pineal gland and is a key signal in the circadian rhythm of the body.

Research into circadian rhythms has led to the discovery of a new and unanticipated molecular cog in the human body clock.

Cryptochromes are present in humans and animals as well and have been proven to regulate the mechanisms of the circadian clock.

Sleep experts say that with a little discipline (well, actually, a lot of discipline), most people can reset their circadian clocks.

Recently, Figueiro ran an experiment to see how exposure to morning light affects the circadian clocks of middle school students.

The regulation of energy by the body's circadian rhythms may play a significant role.

The circadian clock allows the fungus to regulate and produce carotenoids only when they are needed for protection against the sun's rays.

Blood tests showed the women harbored a mutation in a gene named DEC2 that's involved in regulation of circadian rhythms, the body's clock.

This could be due to the effects of our natural sleep-wake cycle, or circadian rhythm, the researchers suggest.

A few years later at Harvard, scientists demonstrated that circadian rhythms could be disrupted.

The findings offered "bona fide evidence" for the presence of a peripheral circadian clock in the adrenal glands.

Circadian oscillators evolved long ago, but our understanding of the molecular mechanisms underlying circadian clocks remains murky.

Circadian clocks control the daily life of most light-sensitive organisms - from cyanobacteria to humans.

The environmental light-dark cycle acts as one of the most potent influencing agents of circadian system.

Light, particularly bright light, is believed to be the most powerful synchronizer of circadian rhythms.

This allows our body's natural clock, called a circadian rhythm, to help initiate and maintain our sleep.

The other technique experts advise is to stimulate your circadian rhythms with bright light and exercise during the day.

Thus, circadian clocks are implicated in the control of energy balance, feeding behavior and consequently in the regulation of body weight.

Eating a high-fat diet appeared to change the circadian-clock genes in a part of the brain, the liver and in fat tissue.

Sleep and circadian rhythm disruption are frequently observed in patients with psychiatric disorders and neurodegenerative disease.

But what I was watching seemed different. A man named Yan was explaining the science behind sleep and the circadian rhythm.

Many researches suggested that antitumor chemotherapeutics have circadian rhythmicity.

While generally the light-driven circadian rhythm is in charge, the mealtime clock takes over when food is scarce.

The profile of this pressure is believed to follow characteristic circadian patterns.

In the fourth chapter, the effects of light on the stability of the circadian system model with delay are studied.

The circadian rhythm of strong activity was consistent with whole locomotor activity, however the rhythm of mild activity was not obviously.

In the fruit fly, the circadian function appears important for regulating periods of activity, analogous to the human sleep-wake cycle.

Geneticists have by now identified a set of genes that regulate the SCN and thus the circadian rhythm among mammals.

They were isolated from all cues about the time in the outside world, allowing their body clocks to go back to natural circadian rhythms.

Researchers determined circadian period by measuring core body temperature and levels of the hormone melatonin.

We humans like to think of ourselves as somehow outside the natural world, but we have a circadian clock as well.

Recent research revealed that sumoylation is involved in mitochondrial fission, DNA repair, the ion channel control and circadian clock.

The circadian clock can distinguish between different colors, or wavelengths, of light.

Conclusion The disappearance of circadian variation of blood pressure and the increase in night time BP may induce diabetic retinopathy.

Circadian information may be possibly transferred from the center to the peripheral tissues.

Co can integrate the light signal into circadian clock and regulates the expression of FLOWERING LOCUS T (FT) which induced floral.

Jet lag happens when your circadian rhythm is running on a different day-night cycle than the day-night cycle of the outside world.

The information should help flight crews develop strategies to cope with the effects of flight operations on circadian rhythms.

of a circadian clock: free-run, temperature compensation.

circadian rhythms, which control not only sleep, but metabolism. In fact, mutant mice that have no.

the other is the non-image-forming retinal ganglion cells where melanopsin, a circadian rhythm-regulating photo-pigment, is located.

This, they argue, emphasizes the important role of sleep and natural circadian rhythms on determining daily highs and lows -- not just work.

This kind of pattern is called a circadian rhythm, because it takes one day to complete before starting over.

Conclusion The circadian rhythm of cardiac autonomic nervous activity is abolished in the acute phase of cerebral infarction.

Results The adverse reactions of chemotherapy according circadian rhythm were lower than that of routine chemotherapy.

The circadian rhythm affects sleep cycles, hormone releases, body temperature and various processes.

It is active and highly organized and is regulated by homeostatic, circadian, and ultradian processes.

Circadian rhythms and other cyclical behaviors are more complex examples of behavior tuned to the environment.

The renin-angiotensin-aldosterone system plays an important role in regulating the circadian rhythms of blood pressure.

human circadian rhythms make late afternoons a more likely time to fall into deep( slow-wave) sleep, which will leave you groggy.

This new study now shows that the insects use an body "circadian" clock as part of their sun compass.

Circadian clock regulates the physical processes of the variety of organisms.

Circadian cancer biology: Does the time of day we treat matter?

TINKERING with the circadian clock, the day-and-night cycle in the physiological processes of all living beings, is rarely a good idea.

The clock genes and their coding proteins compose the feed-back loops of the circadian system.

Relation of the circadian variation of QT dispersion and heart rate variability.

Results Circadian rhythms of temperature and motor activity of rats were found and were not abolished after the MT administration.

Past studies have shown that disrupting circadian rhythms in mice causes the animals to develop excess liver fat.

More important, these regions included the suprachiasmatic area, which is home to the body's circadian clock.

Like all birds, roosters call in a daily cycle determined by circadian rhythms.

And most white collar is busily engaged , circadian rhythm is strained, have very big actuating pressure.

Circadian disorders result from placing humans in unnatural situations.

These circadian variations are governed by a biological clock located in the brain.

Each of us has our own normal circadian rhythm (natural daily rhythms of bodily functions).

Standing in the light, when watching a sunset horizon, twilight dim, circadian clear.

Objective To investigate the effect of comprehensive recuperation on circadian rhythm of hypertension in the senility.

Regular mealtimes, not just regular sleep times, help regulate our circadian rhythms.

for more serious cases of insomnia , researchers are experimenting with light therapy and other ways to alter circadian cycles.

In mammals, a master circadian clock resides in the suprachiasmatic nuclei of the anterior hypothalamus.

But it isn't hard to foresee how visionary circadian-clock therapies might work.

Now, for the first time, a Northwestern University study has shown this ancient circadian clock regulates the production of insulin.

Plus, stress hormones, still at their peak, may wreck your circadian rhythms and internal clock.

Helping your body feel more "awake" during the day resets your circadian clock so that your body is ready for sleep at bedtime.

Then in 2001, Dr. Brainard found that circadian rhythms could be disrupted with fairly low levels of blue light.

For both sexes, a circadian period that is out of sync with the 24-hour clock can result in sleep deprivation as the week goes on.

Green says this kind of pattern can knock the circadian rhythm totally off-kilter.

Scientists have long known that our circadian rhythm is regulated by our exposure to light.

But astronauts sleep less soundly; 16 sunrises a day throws a major wrench into their circadian rhythms.

It isn't clear exactly how disruptions in circadian rhythm could influence body weight.

And experimental mice with disrupted circadian rhythms tend to gain weight.

Objective To observe the circadian rhythm of blood sugar of normal rats and diabetic rats.

However, Russell Foster, a professor of circadian neuroscience at the University of Oxford, is not convinced.

Mechanism of Pineal and Suprachiasmatic Regulation on Circadian Rhythm of Body Temperature in Rats.

He is also taught to restore his "Circadian rhythms" , the daily physiological cycles that regulate our sleep patterns.

Circadian activity and antipredation behaviour of Agkistrodon qinlingensis are observed.

Circadian rhythm, which is internally generated by cell autonomous biological clocks, has been greatly concerned in recent years.

In traditional medicine many treatment, Prescription , Chinese medicine and case is based on the circadian rhythm.

This pineal eye is sufficient to regulate their circadian rhythms.

The circadian clock controls physiological traits such as flowering time, photosynthesis, and growth in plants under laboratory conditions.

It regulates our circadian rhythms. It helps us fall asleep, and it controls the release of other hormones.

What synchronizes an organism's circadian clocks?

They also displayed altered activity in key genes that control the roughly 24-hour circadian rhythm.

Disruptions of circadian rhythms can cause jet lag, mental illness and even some forms of cancer.

Crucially, this Circadian rhythm is set by sunrise and sunset.

In addition, in acute stroke the circadian BP rhythm is disrupted, and there is a reduced physiological night-time pressure decline.

Sometimes, the circadian miss, but when the thoughts of people thrown in front, but you regard with equanimity.

Our internal circadian clocks keep us on a 24 hour rhythm, which is why when we travel half way around the world we experience jet lag.

This gene is critical to circadian rhythms.

But can it do more than keep the circadian clock ticking?

Sleeping late on weekends can also disrupt your circadian rhythm.

For starters, all humans have a natural daily rise and fall in blood pressure that corresponds with their circadian rhythm.

While they will survive this unnatural circadian aberration they can become temperamental over time, moody and aggressive.

Night-shift workers also struggle, he says, because they don't get the environmental and social cues that help adjust the circadian clock.

Several studies have shown that mutations in circadian clock genes can cause mice to gain weight (ScienceNOW, 21 April 2005).

Well, Rip, you came to the right place. What happened is that your circadian rhythms got screwed up.

(For example, circadian rhythm). Moods, along with sleep patterns and energy levels, can be highly irregular.

That can change throughout one's life based on age and other factors affecting the internal clock or "circadian rhythms. "

"This is the first evidence of how the circadian clock may affect the development of diabetes, " said Joe Bass, M.

Clock genes is prevalent in biological world, and they can bring and control biological circadian rhythm.

For example, turning on bright lights on first thing in the morning resets your circadian rhythm and essentially makes you more alert.

What to do: If you suspect you have a circadian rhythm disorder, take steps to get your body onto a regular sleep schedule.

That process of always getting up at the same time helps to anchor the circadian rhythm.

Sheldon: Are you monitoring your circadian rhythms in order to identify your periods of maximum mental acuity?

Objective To study the characters of circadian rhythm of blood pressure(BP) and heart rate(HR) in children.

Analysis of the heart rate variability and circadian rhythm in primary hypertension patients with left ventricular hypertrophy

Circadian Variation of Idiopathic Ventricular Tachycardia Originating from Right Ventricular Outflow Tract and Its Clinical Implications

Obsessed with loneliness makes the night also not to affect the body's circadian clock uncertain upside down

In vitro study of atrial natriuretic peptide circadian secreted by encapsulated atrial natriuretic peptide cDNA transfection cells

The relating study of circadian blood pressure changes and target organ damage in elderly patients with essential hypertension

Change of ambulatory blood pressure level and circadian rhythm in patients with A-type and B-type behavior pattern primary hypertension

The following suggestions won't reset your circadian rhythm but they might help to get you used to a morning routine

Perioperative cortisol circadian secretion and neuropsychological states in patients undergoing coronary artery bypass grafting surgery

Circadian rhythm of perioperative melatonin secretion and neuropsychological status in patients undergoing coronary artery bypass grafting

Circadian Rhythm Changes of the Levels of Endogenous Insulin in Growing Rat Condylar Cartilage after Functional Mandibular Protrusion

Call it circadian rhythms, call it the daily ebb and flow of blood sugar, call it magic if you want;

Relationship between circadian rhythm of blood pressure and left ventricular hypertrophy in elderly patients with essential hypertension

Effect of cilazapril in insulin resistance and left ventricular hypertrophy and its relation between circadian BP changes

Perioperative melatonin circadian secretion in patients undergoing coronary artery bypass grafting surgery

Study on relationship between artery blood pressure load, as well as its circadian change and left ventricular hypertrophy

A study on heart rate variability and its circadian rhythm of elderly patients with isolated systolic hypertension

Profile on circadian blood pressure and its influencing factors in elderly hypertensive patients

Clinical investigation of Nifedipine GITS in essential hypertension patients with abnormal blood pressure circadian rhythm

The relationship between circadian rhythm of blood pressure and carotid artery atherosclerosis in elderly hypertensive patients

Relationship of dynamic blood pressure load and circadian rhythms to left ventricular hypertrophy in patients with primary hypertension

Relationship between pure systolic hypertension cerebral hemorrhage and age, pulse pressure and circadian rhythm changes

Matthew Edlund, M. D. . Director, Center for Circadian Medicine and Author of THE POWER OF REST

Clinical study on circadian blood pressure variability in elderly hypertensive patients with obstructive sleep apnea syndrome

Circadian Rhythm of Gene Expression of Myocardial Contractile Protein, Left Ventricular Pressure and Contractility

Cardiovascular remodeling and circadian blood pressure rhythms in patients with essential hypertension

Epidemiological investigation of circadian rhythm of cardiovascular disease

Relationship Between Circadian Rhythm of Blood Pressure and Blood Pressure Response to Exercise in the Patients With Essential Hypertension

Correlation between abnormal circadian rhythm of blood pressure and myocardial ischemia in essential hypertention

Relation between the Circadian Variation of Blood Pressure and the Left Ventricular Hypertrophy

The relationship between rhythm and load of circadian blood pressure and target-organ damage in elderly patients with systolic hypertension

The correlation between circadian rhythm of blood pressure and left ventricular hypertrophy in aged patients with hypertension

Circadian rhythm of the expression of proliferating cell nuclear antigen in condylar cartilage of growing rats

A study on heart rate variability and its circadian rhythm of patients with essential hypertension

Relationship between left ventricular hypertrophy and blood pressure load and circadian rhythm in hypertension

The Relationship Between Circadian Rhythm Variation of Blood Pressure and TCM Syndrome Pattern in Essential Hypertension

The influence of circadian rhythm on prevention of osteoporosis in ovariectomized rat by pulsing electromagnetic fields

Correlation between abnormal circadian variation of blood pressure and target-organ damage in elderly hypertension

Gender difference in left ventricular hypertrophy and circadian changes of blood pressure in hypertensive patients

Heart rate variability and its circadian rhythm in patients with type 2 diabetes mellitus complicated with coronary heart disease

Chronobiological feature of plasma catecholamine, renin, and aldosterone and their relationship with the circadian rhythm of blood pressure

Circadian changes of blood pressure and catecholamine excretion in patients with pheochromocytoma

The Study of the Circadian Rhythm Variation of Melatonin Receptor of Peripheral Leukocytes in Patients with Senile Dementia

Circadian rhythms constrain leaf and canopy gas exchange in an Amazonian forest

Effect of felodipine on left ventricular and abnormal circadian rhythm of blood pressure in senile patients with essential hypertension

Circadian effects of angiotensin converting enzyme inhibitor on autonomic activity in chronic heart failure

Effects of age on serum cortisol and dehydroepiandrosterone sulfate levels and their circadian variations

An Experimental Study on Circadian Rhythm of the Proliferative Index of Mandibular Osteoblast in Goats

Effects of acupuncture at different periods on circadian rhythms of locomotor activity and core body temperature in hamsters

Article Name The Relationship of Circadian Rhythms of Sleep-wake, Rest-activity to the circadian Blood Pressure profile;

The relationship between circadian rhythm and cardiac damage in patients with essential Hypertension

Profile on circadian blood pressure and the influencing factors in essential hypertensive patients after treatment

The aortic remodeling in essential hypertension patients with circadian blood pressure rhythms

The contrast of circadian rhythm of blood pressure between renal hypertension and essential hypertension

Comparison of ventricular repolarization time and its circadian rhythm in health subjects and patients with coronary artery disease

Circadian Expression of the Arylalkylamine N-acetyltransferase Gene in the Rat Pineal Gland

Effects of Light on Circadian Expression of Clock Gene in Central and Peripheral Tissues

Impact of Circadian Variations on Efficacy of Thrombolytic Therapy for Acute Myocardial Infarction

Research developments on molecular mechanisms of circadian clock in cyanobacteria

Effect of Irbesartan on Circadian Rhythm of Blood Pressure and Left Ventricular Hypertrophy in Gerontal Hypertension

Circadian rhythm of cortisol secretion in patients during coronary artery bypass grafting surgery

Circadian Rhythms of Signal Transduction between Pineal, Central Nuclei and Lymphocyte

Observation of Adverse Reaction and Nursing of Chemotherapy According Circadian Rhythm

Relation of Injury of Target Organs with Circadian Rhythms of Blood Pressure and TCM Syndrome Types in the Patient of Hypertension

Effect of Distraction Osteogenesis on Circadian Rhythm of Proliferation Index of Mandibular Osteoblast in Goat

Establishment and evaluation of mathematical model of circadian rhythm mechanism

Changes of Circadian Patterns of Autonomic Nervous Function after Acute Cerebral Infarction

Influence of circadian rhythm changes of humoral regulation hormones on plasma volume during exercise

Research Progress of Molecular Mechanism of the Circadian Clock in Arabidopsis

Studies on cardiac vagus nerve activity and circadian rhythm in patients with essential hypertension

Circadian Rhythms of DNA Synthesis in Human Nasopharyngeal Carcinoma Cells Transplanted in Nude Mice

Analysis of the variability of circadian heart-rate in patients with type 2 diabetes combining with cardiovascular diseases

Circadian Rhythms of DNA Synthesis and Telomerase Expression in Hepatic Cancer Transplanted in Nude Mice

Studies on circadian rest-activity and sleep-wake rhythm patterns in patients with mild cognitive impairment

Circadian Change of Blood Pressure in Middle- and Old- aged Hypertensive Patients: Analysis and Nursing Care

Effects of aerobic exercise training of different intensities on circadian blood pressure

the molecular mechanisms underlying circadian clocks remains

Analysis of blood pressure circadian rhythm in essential hypertensive patients

Circadian variation of paroxysmal atrial fibrillation

Effect of Amlodipine on Circadian Rhythm of Blood Pressure and Nighttime Sleeping in Hypertensive Patients

Effective of aerobic training on the circadian of blood pressure in the elderly patients with hypertension

Circadian measures of ventricular response to atrial fibrillation

Living With Your Circadian Opposite

Changes in circadian sleep-wake and rest-activity rhythms during different phases of menstrual cycle

Advances in study of circadian clock mechanism

Circadian Rhythm of Endothelial Vasoactive Substance

Effect of comprehensive recuperation on circadian rhythm of hypertension in senility

Circadian variation in cardiovascular events and strategies of therapy

Effects of Renin-angiotensin-aldosterone System on Circadian Rhythm of Blood Pressure

Optimal Internal Noise for Mammalian Circadian Oscillator

The Circadian blood pressure rhythms in patients with acute cerebral infarction

The Influence of Different Attribute of Purgative on The Circadian Rhythms of Purging Effect

The Pharmaco-Chronological Effects of Levo-amlodipine on Abnormal BP Circadian Rhythm in Hypertensive Patients in Elderly

Progress in Molecular Mechanisms of Circadian Clock in Cyanobacteria

Effects of electric stimulation on circadian rhythm of plasma cortisone in soldiers

Remarkably, the Kai proteins themselves constitute a circadian

Circadian Rhythm Character of Chronic Fatigue Syndrome Patient

Circadian Rhythm of Spontaneous Firing of Suprachiasmatic Nucleus Neurons in Old Rat Hypothalamic Slice

Endogenous Circadian Expression of the Clock Gene in the Rat Pineal Gland

The Effects of Electrostimulation upon Soldier's Circadian of Melatonin in Plasm

Research Advances on Mammalian Circadian Clock-Related Genes

Circadian Expression of Melatonin Receptor mRNA in Suprachiasmatic Nucleus

Circadian Changes of Volt-Ampere Characteristic of Acupoint

Circadian oscillators evolved long ago, but our understanding of

Effects of Melatonin on Circadian Rhythm of Temperature and Motor Activity in Rats

Recent progress in the control of mammalian circadian gene expression

General research on acupuncture in the adjustment of circadian rhythm

Experimental study on circadian rhythm of immune system in rats with liver cancer

Circadian Anti-ischemia Program in Europe

Characters of circadian rhythms of blood pressure and heart rate in children

Advances in Study on Molecular Mechanism of Circadian Clock in Pineal Gland

A study on the circadian rhythms of patients with congestive heart failure

Research and exploration in tumor circadian therapy

Study advances on coordination of circadian timing in mammals

Study on circadian rhythm of PEF and respiratory drive in nocturnal asthma

Effect of Circadian Rhythms to the Spontaneous Activities of Mouse

Effect of Circadian Rhythm on Hypnotic Median Effective Dose of Ketamine

Circadian Expression of the Clock Gene in the Rat Pineal Gland

Circadian behavioral rhythms in insects

Study on the circadian rhythm of photosynthesis in Microcystis aeruginosa

Circadian variation of interleukin-6 and cortisol in rheumatoid arthritis

Research Progress in Circadian Clock Genes of Animals

Circadian rhythm of melatonin receptor in the mouse spleen