Ultradian rhythm of trehalose levels coupled to heat resistance in continuous cultures of the yeast Saccharomyces cerevisiae.

abstract：:The validity of a commercially available wearable device for measuring total sleep time was examined in a sample of well-trained young athletes during night-time sleep periods and daytime naps. Participants wore a FitBit HR Charge on their non-dominant wrist and had electrodes attached to their face and scalp to enabl...

journal_title：Chronobiology international

authors： Sargent C,Lastella M,Romyn G,Versey N,Miller DJ,Roach GD

更新日期：2018-06-01 00:00:00

abstract：:Sleep and fatigue-associated symptoms are prominent during chemotherapy. The purpose of this pilot study was to examine bright light effects on sleep disruption, fatigue, daytime sleepiness, depression, and quality of life (QOL) in women with stage I-III breast cancer undergoing chemotherapy. In this 2-group randomize...

journal_title：Chronobiology international

authors： Wu HS,Davis JE,Chen L

更新日期：2021-01-21 00:00:00

abstract：:Diurnal variation in muscle performance has been well documented in the past few years, but almost exclusively in the male population. The possible effects of the menstrual cycle on human circadian rhythms have remained equivocal, particularly in the context of muscle strength. The purpose of the study was to analyze ...

journal_title：Chronobiology international

authors： Bambaeichi E,Reilly T,Cable NT,Giacomoni M

更新日期：2004-07-01 00:00:00

abstract：:The intrinsic circadian clock requires photoentrainment to synchronize the 24-hour solar day. Therefore, light stimulation is an important component of chronobiological research. Currently, the chronobiological research field overwhelmingly uses photopic illuminance that is based on the luminous efficiency function, V...

journal_title：Chronobiology international

authors： Cao D,Barrionuevo PA

更新日期：2015-03-01 00:00:00

abstract：:Despite results linking shift work with ill health, only a few studies have addressed its relation with mortality. The purpose of the present study was to examine the hypothesis that shift work is a predictor of mortality. The study involved a sample of 22,411 individuals of the Swedish population. Data were obtained ...

journal_title：Chronobiology international

authors： Akerstedt T,Kecklund G,Johansson SE

更新日期：2004-01-01 00:00:00

abstract：:Two different experimental models were used to test if a temporal relationship exists between the rhythm of adrenal steroid secretion and the vulnerability of the hamster reproductive system to short photoperiod exposure or to the daily afternoon injection of melatonin. In the first experiment adrenalectomized hamster...

journal_title：Chronobiology international

authors： Joshi BN,Vaughan MK,Nürnberger F,Reiter RJ

更新日期：1985-01-01 00:00:00

abstract：:Police officers are required to work irregular hours, which induces stress, fatigue, and sleep disruption, and they have higher rates of chronic disease and mortality. Cortisol is a well-known "stress hormone" produced via activation of the hypothalamic-pituitary-adrenal axis. An abnormal secretion pattern has been as...

journal_title：Chronobiology international

authors： Wirth M,Burch J,Violanti J,Burchfiel C,Fekedulegn D,Andrew M,Zhang H,Miller DB,Hébert JR,Vena JE

更新日期：2011-05-01 00:00:00

abstract：:The present article analyzes locomotor activity rhythms in Tinca tinca. To that end, three different experiments were conducted on 24 animals (20 g body weight) kept in pairs in 60-liter aquaria fitted with infrared sensors connected to a computer to continuously record fish movements. The first experiment was designe...

journal_title：Chronobiology international

authors： Herrero MJ,Madrid JA,Sánchez-Vázquez FJ

更新日期：2003-11-01 00:00:00

abstract：:Eveningness has been suggested as a facilitating factor in adaptation to shift work, with several studies reporting evening chronotypes (E-types) as better sleepers when on night shifts. Conversely, eveningness has been associated with more sleep complaints during day shifts. However, sleep during day shifts has recei...

journal_title：Chronobiology international

authors： Martin JS,Laberge L,Sasseville A,Bérubé M,Alain S,Houle J,Hébert M

更新日期：2015-06-01 00:00:00

abstract：:Four healthy non obese young volunteers were observed for a 24-hr period, every other month, over the course of one year. Tolbutamide was injected i.v. each day of the experiment every four hours. Tolbutamide-induced insulin secretion (T.I.I.S.) was evaluated by planimetrically measuring insulin areas above basal leve...

journal_title：Chronobiology international

authors： Del Ponte A,Guagnano MT,Sensi S

更新日期：1984-01-01 00:00:00

abstract：:Behavior, physiological functions and cognitive performance change over the time of the day. These daily rhythms are either externally driven by rhythmic environmental cues such as the light/dark cycle (masking) or controlled by an internal circadian clock, the suprachiasmatic nucleus (SCN), which can be entrained to ...

journal_title：Chronobiology international

authors： Pfeffer M,Korf HW,von Gall C

更新日期：2015-02-01 00:00:00

abstract：:A variable number tandem repeat polymorphism (VNTR) in the period 3 (PER3) gene has been associated with heritable sleep and circadian variables, including self-rated chronotypes, polysomnographic (PSG) variables, insomnia and circadian sleep-wake disorders. This report describes novel molecular and clinical analyses ...

journal_title：Chronobiology international

authors： Mansour HA,Wood J,Chowdari KV,Tumuluru D,Bamne M,Monk TH,Hall MH,Buysse DJ,Nimgaonkar VL

更新日期：2017-01-01 00:00:00

abstract：:The aim of this study was to examine the effect of the interaction of circamensal and diurnal rhythms in temperature upon the production of maximal voluntary muscle force. Ten eumenorrheic females (mean age: 24 +/- 3 yr mean body mass: 58.4 +/- 6.9 kg) participated in the experiment at both 06:00 and 18:00h at the mid...

journal_title：Chronobiology international

authors： Birch K,Reilly T

更新日期：2002-07-01 00:00:00

abstract：:Circadian changes in activities and electrophoretic pattern of the intestinal brushborder enzymes alkaline phosphatase (EC 3.1.3.1), isomaltase (EC 3.2.1.10) and sucrase (EC 3.2.1.26) of normal rats and of rats with a lesion of the dorsomedial hypothalamus (DMH-rats) were studied. In contrast to the rhythm found in no...

journal_title：Chronobiology international

authors： Hekkens WT,van Rijn PA,Lukac-Bajalo J,Ungerer R,Rietveld WJ

更新日期：1985-01-01 00:00:00

abstract：:Genetic risk is a primary contributing factor to the predisposition of a newborn child to elevated blood pressure later in life. An index of this factor is needed to assess in the neonate the success or failure of preventive interventions instituted for the pregnant women. This index could be based on characteristics ...

journal_title：Chronobiology international

authors： Hermida RC,Fernández JR,Ayala DE,Mojón A,Rey A,Rodríguez-Cervilla J,Fernández-Lorenzo JR,Fraga JM

更新日期：1993-06-01 00:00:00

abstract：:It has frequently been reported that exposure to artificial light at night (ALAN) may cause negative health effects, such as breast cancer, circadian phase disruption and sleep disorders. Here, we reviewed the literature assessing the effects of human exposure to ALAN in order to list the health effects of various asp...

journal_title：Chronobiology international

authors： Cho Y,Ryu SH,Lee BR,Kim KH,Lee E,Choi J

更新日期：2015-01-01 00:00:00

abstract：:The purpose of this study was to investigate the influence of rest-activity rhythm on the survival of cancer patients. This study collected data related to cancer patients experiencing pain who had been hospitalized for treatment between August 2006 and October 2007. Data included the Karnofsky Performance Status Inde...

journal_title：Chronobiology international

authors： Chang WP,Lin CC

更新日期：2014-10-01 00:00:00

abstract：:Biological processes are organized in time as innate rhythms defined by the period (τ), phase (peak [Φ] and trough time), amplitude (A, peak-trough difference) and mean level. The human time structure in its entirety is comprised of ultradian (τ < 20 h), circadian (20 h > τ < 28 h) and infradian (τ > 28 h) bioperiodic...

journal_title：Chronobiology international

authors： Smolensky MH,Hermida RC,Reinberg A,Sackett-Lundeen L,Portaluppi F

更新日期：2016-01-01 00:00:00

abstract：:The effects of Chagas disease on the mammalian circadian system were studied in Trypanosoma cruzi-infected C57-B16J mice. Animals were inoculated with CAI or RA strains of T. cruzi or vehicle, parasitism confirmed by blood specimen visualization and locomotor activity rhythms analyzed by wheel-running recording. RA-st...

journal_title：Chronobiology international

authors： Fernández Alfonso T,Celentano AM,Gonzalez Cappa SM,Golombek DA

更新日期：2003-01-01 00:00:00

abstract：:Previous studies have reported sex differences in the pathophysiology of hypertension and responses to blood pressure (BP)-lowering medications. Moreover, men exhibit typically higher BP than women, the differences being greater for systolic (SBP) than diastolic (DBP) BP. These differences become apparent during adole...

journal_title：Chronobiology international

authors： Hermida RC,Ayala DE,Mojón A,Fontao MJ,Chayán L,Fernández JR

更新日期：2013-03-01 00:00:00

abstract：:Nonrestorative sleep (NRS), characterized by a lack of refreshment upon awakening, has received little attention in the sleep literature even though it can occur and cause impairment apart from other sleep difficulties associated with insomnia. The Restorative Sleep Questionnaire (RSQ) is one of the first validated se...

journal_title：Chronobiology international

authors： Tutek J,Emert SE,Dautovich ND,Lichstein KL

更新日期：2016-01-01 00:00:00

abstract：:In young healthy subjects salmon calcitonin (SCT), intranasally administered, increased in serum as a function of the drug administration time. The serum concentration of a 400 IU SCT dose monitored 10 min after dosing was statistically more significant when inhaled at 0000 than at other, more conventional, administra...

journal_title：Chronobiology international

authors： Tarquini B,Cavallini V,Cariddi A,Checchi M,Sorice V,Cecchettin M

更新日期：1988-01-01 00:00:00

abstract：:The last 20 yrs have seen a marked increase in studies utilizing actigraphy in free-living environments. The aim of the present study is to directly compare two commercially available actigraph devices with concurrent polysomnography (PSG) during a daytime nap in healthy young adults. Thirty healthy young adults, ages...

journal_title：Chronobiology international

authors： Cellini N,Buman MP,McDevitt EA,Ricker AA,Mednick SC

更新日期：2013-06-01 00:00:00

abstract：:The aim of this study was to determine the relationship between pilot workload, performance, subjective fatigue, sleep duration, number of sectors and flight duration during short-haul operations. Ninety pilots completed a NASA Task Load Index, Psychomotor Vigilance Task and a Samn-Perelli fatigue scale on top-of-desc...

journal_title：Chronobiology international

authors： Arsintescu L,Chachad R,Gregory KB,Mulligan JB,Flynn-Evans EE

更新日期：2020-08-24 00:00:00

abstract：:Circadian rhythms in mammals are adjusted daily to the environmental day/night cycle by photic input via the retinohypothalamic tract (RHT). Retinal ganglion cells (RGCs) of the RHT constitute a separate light-detecting system in the mammalian retina used for irradiance detection and for transmission to the circadian ...

journal_title：Chronobiology international

authors： Hannibal J

更新日期：2006-01-01 00:00:00

abstract：:Postoperative delirium, a common perioperative complication, is frequently observed in elderly surgical patients. Few studies have investigated the life rhythm of preoperative patients, and whether or not the preoperative life rhythm is associated with the development of postoperative delirium. The purpose of this stu...

journal_title：Chronobiology international

authors： Tan C,Saito N,Miyawaki I,Shiotani H

更新日期：2020-07-01 00:00:00

abstract：:Despite its clinical importance, the issue of the diurnal time course of sleepiness and performance in children remains largely unexplored. The objective of this study is to draw a profile of daytime subjective sleepiness and performance, at simple and complex tasks, in a cohort of Italian primary school children.To t...

journal_title：Chronobiology international

authors： Cerasuolo M,Giganti F,Conte F,Costanzo LM,Della Monica C,Arzilli C,Marchesano R,Perrella A,Ficca G

更新日期：2016-01-01 00:00:00

abstract：:The regulation of genetic expression is tightly controlled and well balanced in the organism by different epigenetic mechanisms such as DNA methylation and histone modifications. DNA methylation occurring after embryogenesis is seen mainly as an irreversible event. Even small changes in genomic DNA methylation might b...

journal_title：Chronobiology international

authors： Bönsch D,Hothorn T,Krieglstein C,Koch M,Nehmer C,Lenz B,Reulbach U,Kornhuber J,Bleich S

更新日期：2007-01-01 00:00:00

abstract：:Recently, attention has been focused on the relationship among circadian typology, psychiatric symptoms, and personality traits. This study analyzes the influence of circadian typology on psychological distress, and the sensation-seeking personality trait. Five hundred seventeen college students (173 males), aged 17 t...

journal_title：Chronobiology international

authors： Prat G,Adan A

更新日期：2013-08-01 00:00:00

abstract：:Daily variation in the absorption, metabolism and excretion of toxic substances will ultimately determine the actual concentration to which the cells and tissues are exposed. In aquaculture, Atlantic salmon (Salmo salar) can be frequently exposed to hydrogen peroxide (H2O2) to treat topical skin and gill infections, p...

journal_title：Chronobiology international

authors： Vera LM,Migaud H

更新日期：2016-01-01 00:00:00