Results 21 to 30 of about 396,990 (333)

Removal of melatonin receptor type 1 signalling induces dyslipidaemia and hormonal changes in mice subjected to environmental circadian disruption

open access: yesEndocrinology, Diabetes & Metabolism, 2021
Background Melatonin is a hormone secreted by the pineal gland in a circadian rhythmic manner with peak synthesis at night. Melatonin signalling was suggested to play a critical role in metabolism during the circadian disruption.
Cynthia Tchio   +3 more
doaj   +1 more source

Spectroscopic Influence of Virtual Reality and Augmented Reality Display Devices on the Human Nonvisual Characteristics and Melatonin Suppression Response

open access: yesIEEE Photonics Journal, 2018
It has been elucidated that the responses to light by the human eye influence not only color and brightness recognition but also physiological aspects such as hormones. Melatonin, which affects human circadian rhythms, is sensitive to the blue wavelength
Changwook Kim   +3 more
doaj   +1 more source

Waking experience modulates sleep need in mice

open access: yesBMC Biology, 2021
Background Homeostatic regulation of sleep is reflected in the maintenance of a daily balance between sleep and wakefulness. Although numerous internal and external factors can influence sleep, it is unclear whether and to what extent the process that ...
Linus Milinski   +8 more
doaj   +1 more source

Circadian Rhythm Abnormalities in Parkinson's Disease from Humans to Flies and Back [PDF]

open access: yes, 2018
Clinical and research studies have suggested a link between Parkinson\u2019s disease (PD) and alterations in the circadian clock. Drosophila melanogaster may represent a useful model to study the relationship between the circadian clock and PD.
Bisaglia, Marco   +3 more
core   +1 more source

Neurodegeneration and the Circadian Clock [PDF]

open access: yesFrontiers in Aging Neuroscience, 2017
Despite varied etiologies and symptoms, several neurodegenerative diseases-specifically, Alzheimer's (AD), Parkinson's (PD), and Huntington's diseases (HDs)-share the common feature of abnormal circadian rhythms, such as those in behavior (e.g., disrupted sleep/wake cycles), physiological processes (e.g., diminished hormone release) and biochemical ...
Hood, Suzanne, Amir, Shimon
openaire   +4 more sources

The Teensleep study: the effectiveness of a school-based sleep education programme at improving early adolescent sleep

open access: yesSleep Medicine: X, 2020
Objective: To evaluate the impact of a school-based sleep education programme on adolescent sleep and sleep knowledge. Methods: This is the first outcome report on ‘Teensleep’: a novel, teacher-led programme, comprising ten lessons that can be delivered ...
Gaby Illingworth   +4 more
doaj   +1 more source

Psychological Screening for Exceptional Environments: Laboratory Circadian Rhythm and Sleep Research

open access: yesClocks & Sleep, 2020
Selecting participants who constitute a representative sample while protecting them from potential adverse outcomes is a concern for clinical researchers.
Stephen A. Amira   +4 more
doaj   +1 more source

Association Between Sleep Disturbances With Neurodevelopmental Problems and Decreased Health‐Related Quality of Life in Children With Fontan Circulation

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2021
Background Children with Fontan circulation are known to be at increased risk for neurodevelopmental problems and decreased health‐related quality of life (HRQOL), but many factors that may contribute to this risk are unknown.
Kirstin Knobbe   +10 more
doaj   +1 more source

The Melanocortin-4 Receptor Integrates Circadian Light Cues and Metabolism [PDF]

open access: yes, 2015
The melanocortin system directs diverse physiological functions from coat color to body weight homoeostasis. A commonality among melanocortin-mediated processes is that many animals modulate similar processes on a circannual basis in response to longer ...
Arble, Deanna M.   +10 more
core   +2 more sources

Circadian angiogenesis

open access: yesBiomolecular Concepts, 2014
Abstract Daily rhythms of light/darkness, activity/rest and feeding/fasting are important in human physiology and their disruption (for example by frequent changes between day and night shifts) increases the risk of disease. Many of the diseases found to be associated with such disrupted circadian lifestyles, including cancer ...
Jensen Lasse Dahl   +2 more
openaire   +3 more sources

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