There is a growing appreciation that the regulation of the melatonergic pathways, both
pineal and systemic, may be an important aspect in how viruses drive the cellular changes …

Recent discoveries demonstrate a critical role for circadian rhythms and sleep in immune
system homeostasis. Both innate and adaptive immune responses—ranging from leukocyte …

Circadian clocks are biological timing mechanisms that generate 24-h rhythms of physiology
and behavior, exemplified by cycles of sleep/wake, hormone release, and metabolism. The …

Cigarette smoke (CS) is the main etiological factor in the pathogenesis of
emphysema/chronic obstructive pulmonary disease (COPD), which is associated with …

Patterns of diel activity—how animals allocate their activity throughout the 24-h daily cycle—
play key roles in shaping the internal physiology of an animal and its relationship with the …

Circadian clocks are a common feature of life on our planet, allowing physiology and
behaviour to be adapted to recurrent environmental fluctuation. There is now compelling …

The coronavirus disease 2019 pandemic, caused by severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) coronavirus, is a global health issue with unprecedented …

Living beings spend their lives and carry out their daily activities interacting with
environmental situations that present space-time variations and that involve contact with …

The circadian clock is a complex cellular mechanism that controls a series of physiological
processes, including inflammation. It can directly interact physically with the components of …

Circadian rhythms are daily cycles in biological function that are ubiquitous in nature.
Understood as a means for organisms to anticipate daily environmental changes, circadian …