NREM delta power and AD-relevant tauopathy are associated with shared cortical gene networks
Reduced NREM sleep in humans is associated with AD neuropathology. Recent work has demonstrated a reduction in NREM sleep in preclinical AD, pointing to its potential utility as an early marker of dementia.
Joseph R. Scarpa +5 more
doaj +1 more source
Environmental memory from a circadian oscillator:the Arabidopsis thaliana clock differentially integrates perception of photic vs. thermal entrainment [PDF]
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
A miR-219-5p-bmal1b negative feedback loop contributes to circadian regulation in zebrafish
MicroRNAs post-transcriptionally regulate gene expression and contribute to numerous life processes, including circadian rhythms. However, whether miRNAs contribute to zebrafish circadian regulation has not yet been investigated.
Lianxin Wu +3 more
doaj +1 more source
Multi-omics profiling reveals rhythmic liver function shaped by meal timing
Post-translational modifications (PTMs) couple feed-fast cycles to diurnal rhythms. However, it remains largely uncharacterized whether and how meal timing organizes diurnal rhythms beyond the transcriptome.
Rongfeng Huang +10 more
doaj +1 more source
Solving the mystery of human sleep schedules one mutation at a time. [PDF]
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
The role and implications of mammalian cellular circadian entrainment
At their most fundamental level, mammalian circadian rhythms occur inside every individual cell. To tell the correct time, cells must align (or ‘entrain’) their circadian rhythm to the external environment. In this review, we highlight how cells entrain to the major circadian cues of light, feeding and temperature, and the implications this has for our
Priya Crosby
wiley +1 more source
CCorGsDB: a database for clock correlated genes in the mouse and human central nervous systems
We developed CCorGsDB, a web-based resource integrating mouse and human CNS co-expression networks filtered by circadian biomarkers. We validated the networks using time-series data from sixteen mouse regions and identified a conserved set of 251 ...
José Luiz Araújo Santos +4 more
doaj +1 more source
Rhythms of Locomotion Expressed by Limulus polyphemus, the American Horseshoe Crab: II. Relationship to Circadian Rhythms of Visual Sensitivity [PDF]
In the laboratory, horseshoe crabs express a circadian rhythm of visual sensitivity as well as daily and circatidal rhythms of locomotion. The major goal of this investigation was to determine whether the circadian clock underlying changes in visual ...
Bedford, Lisa +2 more
core +3 more sources
Molecular bases of circadian magnesium rhythms across eukaryotes
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley +1 more source
This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley +1 more source

