2022
DOI: 10.1126/sciadv.abo2389
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Disruption of the circadian clock drives Apc loss of heterozygosity to accelerate colorectal cancer

Abstract: An alarming rise in young onset colorectal cancer (CRC) has been reported; however, the underlying molecular mechanism remains undefined. Suspected risk factors of young onset CRC include environmental aspects, such as lifestyle and dietary factors, which are known to affect the circadian clock. We find that both genetic disruption and environmental disruption of the circadian clock accelerate Apc- driven CRC pathogenesis in vivo. Using an intestinal organoid model, we demonstrate that … Show more

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Cited by 52 publications
(51 citation statements)
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“…The Wnt pathway has been implicated in aggressive HCC traits such as proliferation, invasion, chemoresistance, and cancer stem cell features [37]. A recent study demonstrated genetic disruption of the circadian clock hyperactivated Wnt signaling, thereby accelerating Apc-driven tumorigenesis [38]. In the current study, the circadian gene CSNK1D enhanced Wnt/β-catenin activity and downstream genes.…”
Section: Discussionmentioning
confidence: 48%
“…The Wnt pathway has been implicated in aggressive HCC traits such as proliferation, invasion, chemoresistance, and cancer stem cell features [37]. A recent study demonstrated genetic disruption of the circadian clock hyperactivated Wnt signaling, thereby accelerating Apc-driven tumorigenesis [38]. In the current study, the circadian gene CSNK1D enhanced Wnt/β-catenin activity and downstream genes.…”
Section: Discussionmentioning
confidence: 48%
“…However, the effect of clock disruption on tumorigenesis may be tissue and model-specific. For example, knock out of the core clock gene Bmal1 in mouse models of solid tumors promotes tumor progression in CRC (Chun, Fortin, Fellows et al, 2022;Stokes et al, 2021), lung (Papagiannakopoulos et al, 2016), and other cancer types (Lee et al, 2010) but reduces the development of cutaneous squamous tumors (Janich et al, 2011). Furthermore, downregulation of Bmal1 in human glioblastoma stem cells halts their growth (Dong et al, 2019;Puram et al, 2016).…”
Section: Circadian Clock Function In Various Tissues and Model Systemsmentioning
confidence: 99%
“…The focus of this review is on mammalian clocks and their roles in health and disease, with a particular focus on clocks in healthy versus transformed cells. Recent evidence has cited multiple diverse and tissue-specific functions of the circadian clock in different cancer types such as lung, colorectal, hepatocellular, breast, and others (Chun, Fortin, Fellows et al, 2022;Dong et al, 2019;Janich et al, 2011;Lee et al, 2010;Papagiannakopoulos et al, 2016;Puram et al, 2016;Stokes et al, 2021). This review will provide a comprehensive overview of the divergent functions of the clock in cell cycle control, maintenance of genome integrity, and immunity in healthy tissues, in an attempt to deconvolute the elaborate cellular networks that the biological pacemaker impinges on.…”
Section: Introductionmentioning
confidence: 99%
“…The molecular circadian clock is tumor suppressive in many tissues. Indeed, disruption of the molecular clock, either by behavioral disruption or genetic mutation, can accelerate or initiate tumorigenesis in lung, liver, bone, colon, melanocyte, and other cell types [11][12][13][14][15][16][17][18][19]. Supporting the notion that the clock is tumor suppressive in human cancer, circadian gene expression is often disrupted in tumor tissue as compared to normal tissue [20].…”
Section: Introductionmentioning
confidence: 99%
“…The copyright holder for this preprint this version posted January 3, 2023. ; https://doi.org/10.1101/2023.01.03.522637 doi: bioRxiv preprint tumorigenesis in lung, liver, bone, colon, melanocyte, and other cell types [11][12][13][14][15][16][17][18][19]. Supporting the notion that the clock is tumor suppressive in human cancer, circadian gene expression is often disrupted in tumor tissue as compared to normal tissue [20].…”
Section: Introductionmentioning
confidence: 99%