Is this idea a Compelling Question (CQ) or Critical Challenge (CC)?
Compelling Question (CQ)
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The circadian genome is a highly conserved system producing 24-hr rhythms in gene expression in the lung. Uncovering the molecular/cellular pathways under circadian control and their significance would provide a new generation of mechanistic understanding of lung health and development.
Feasibility and challenges of addressing this CQ or CC
Delineating circadian mechanisms of lung function would enable new strategies to phenotype, diagnose, and mange lung disease to be developed and tested.
Over the past decade, new discovery has uncovered a mechanistic interface between the circadian clock and fundamental cellular processes including oxidative stress, cell metabolism, immune and inflammatory responses, epigenetic modification, hypoxia/hyperoxia response pathways, endoplasmic reticular stress, autophagy, and regulation of the stem cell environment. While each of these processes is involved in lung function, the significance of circadian regulation in the development and maintenance of lung health is not well-understood.
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