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@ARTICLE{Ector:309875,
author = {C. Ector and C. Schmal and J. Didier and S. De Landtsheer
and J. H. Schulte and U. Keilholz$^*$ and T. Sauter and A.
Kramer and H. Herzel and A. E. Granada},
title = {{C}ircadian rhythm heterogeneity modulates drug response
variations in neuroblastoma models.},
journal = {Cell reports},
volume = {45},
number = {2},
issn = {2211-1247},
address = {Maryland Heights, MO},
publisher = {Cell Press},
reportid = {DKFZ-2026-00360},
pages = {116975},
year = {2026},
note = {#DKTKZFB9#},
abstract = {Circadian clocks regulate essential cellular functions and
influence cancer development and treatment outcomes.
Aligning therapy with circadian rhythms can improve efficacy
and reduce toxicity, yet whether neuroblastoma, a
heterogeneous pediatric tumor, maintains circadian function
remains unclear. Here, we systematically profiled circadian
dynamics across 12 neuroblastoma cell models using long-term
bioluminescence assays and computational analysis. Our
findings reveal heterogeneous circadian patterns ranging
from robust to arrhythmic, which we linked to distinct
neuroblastoma genetic features. By integrating drug
sensitivity data, we identified candidate compounds whose
effectiveness correlates with circadian expression profiles.
Moreover, time-of-day treatment assays with the ALK
inhibitor lorlatinib and frontline chemotherapeutics
revealed distinct temporal drug responses that were more
pronounced in circadian-competent than weakly rhythmic cell
lines. Together, these findings establish circadian
heterogeneity as a previously unrecognized dimension of
neuroblastoma biology and highlight the therapeutic
potential of chronotherapy approaches for improved treatment
efficacy.},
keywords = {CP: cancer (Other) / CP: metabolism (Other) / cancer
(Other) / chronotherapy (Other) / circadian clock (Other) /
circadian rhythms (Other) / neuroblastoma (Other) / systems
biology (Other) / time-of-day sensitivity (Other)},
cin = {BE01},
ddc = {610},
cid = {I:(DE-He78)BE01-20160331},
pnm = {899 - ohne Topic (POF4-899)},
pid = {G:(DE-HGF)POF4-899},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:41678337},
doi = {10.1016/j.celrep.2026.116975},
url = {https://inrepo02.dkfz.de/record/309875},
}