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These data are in agreement with recent observations of similar hepcidin diurnal patterns for individuals with and without food intake and corroborate previous findings that transcriptional regulators related to genes involved in diurnal rhythm are potentially significant modulators of hepcidin expression (7, 15).
8 [micro]g/dl), elevated urinary free cortisol (>110 [micro]g/day) and/or disturbed diurnal rhythm of cortisol secretion (midnight cortisol level>7.
Patients with more severe head trauma exhibit a clearly disrupted pattern of melatonin secretion, whereas those with less severe trauma preserve a relatively intact diurnal rhythm.
In addition to the progressive age-related decline in testosterone concentrations, the diurnal rhythm of testosterone secretion also wanes with age.
The patient is asked questions covering behaviors over the last 2 weeks in seven domains: paranoid and delusional ideation, hallucinations, activity disturbances, aggressiveness, diurnal rhythm disturbances, affective disturbances, and anxieties and phobias.
Universal, reliable and even human-made light, completely independent of diurnal rhythm, has abolished the shamanist aspects of our calling.
Strictly speaking, a diurnal rhythm should not be called circadian until it has been shown to persist under constant environmental conditions and thereby can be distinguished from those rhythms that are simply a response to 24-hour environmental changes.
The results may be at least partly explained by disturbances in the diurnal rhythm and subsequently the melatonine levels, which affects the pigmentation in the skin.
Coincidentally, the key hormone affecting female fertility has also been identified as having a diurnal rhythm, making women most likely to ovulate during a similar time period - between 3pm and 7pm.
1996) Diurnal rhythm of the muscular performance of elbow flexors during isometric contractions.