Results 41 to 50 of about 118,339 (331)

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

Characterization and expression analysis of circadian clock genes in the diploid woodland strawberry Fragaria vesca

open access: yesBiologia Plantarum, 2018
Strawberry is an economically important fruit crop worldwide. Circadian clock genes are endogenous timers that regulate a wide range of metabolic processes and consequently plant development.
X. D. Chen, J. Wang, M. Z. Zhao, F. Zhao
doaj   +1 more source

Quantitative analysis of regulatory flexibility under changing environmental conditions [PDF]

open access: yes, 2010
The circadian clock controls 24-h rhythms in many biological processes, allowing appropriate timing of biological rhythms relative to dawn and dusk. Known clock circuits include multiple, interlocked feedback loops.
Adrian W Thomson   +12 more
core   +4 more sources

The Circadian Clock and Viral Infections [PDF]

open access: yesJournal of Biological Rhythms, 2020
The circadian clock controls several aspects of mammalian physiology and orchestrates the daily oscillations of biological processes and behavior. Our circadian rhythms are driven by an endogenous central clock in the brain that synchronizes with clocks in peripheral tissues, thereby regulating our immune system and the severity of infections.
Helene Borrmann   +2 more
openaire   +2 more sources

Identification of PCBP1 as a Novel Modulator of Mammalian Circadian Clock

open access: yesFrontiers in Genetics, 2021
The circadian clock governs our daily cycle of behavior and physiology. Previous studies have identified a handful of core clock components and hundreds of circadian modifiers.
Yaling Wu   +11 more
doaj   +1 more source

Environmental memory from a circadian oscillator:the Arabidopsis thaliana clock differentially integrates perception of photic vs. thermal entrainment [PDF]

open access: yes, 2011
The constraint of a rotating earth has led to the evolution of a circadian clock that drives anticipation of future environmental changes. During this daily rotation, the circadian clock of Arabidopsis thaliana (Arabidopsis) intersects with the diurnal ...
Amanda M. Davis   +8 more
core   +1 more source

Cancer and the Circadian Clock

open access: yesCancer Research, 2019
Abstract The circadian clock is a master regulator of mammalian physiology, regulating daily oscillations of crucial biological processes and behaviors. Notably, circadian disruption has recently been identified as an independent risk factor for cancer and classified as a carcinogen.
Ayesha A, Shafi, Karen E, Knudsen
openaire   +3 more sources

Circadian and Circalunar Clock Interactions in a Marine Annelid

open access: yesCell Reports, 2013
Life is controlled by multiple rhythms. Although the interaction of the daily (circadian) clock with environmental stimuli, such as light, is well documented, its relationship to endogenous clocks with other periods is little understood.
Juliane Zantke   +8 more
doaj   +1 more source

Circadian Clock Regulates Inflammation and the Development of Neurodegeneration

open access: yesFrontiers in Cellular and Infection Microbiology, 2021
The circadian clock regulates numerous key physiological processes and maintains cellular, tissue, and systemic homeostasis. Disruption of circadian clock machinery influences key activities involved in immune response and brain function.
Xiao-Lan Wang, Lianjian Li, Lianjian Li
doaj   +1 more source

Solving the mystery of human sleep schedules one mutation at a time. [PDF]

open access: yes, 2013
Sleep behavior remains one of the most enigmatic areas of life. The unanswered questions range from "why do we sleep?" to "how we can improve sleep in today's society?" Identification of mutations responsible for altered circadian regulation of human ...
Fu, Ying-Hui   +2 more
core   +1 more source

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