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@ARTICLE{Rosenbauer:1006629,
author = {Rosenbauer, Jakob and Berghoff, Marco and Glazier, James A.
and Schug, Alexander},
title = {{M}ultiscale {M}odeling of {S}pheroid {T}umors: {E}ffect of
{N}utrient {A}vailability on {T}umor {E}volution},
journal = {The journal of physical chemistry / B},
volume = {127},
number = {16},
issn = {1520-6106},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2023-01762},
pages = {3607–3615},
year = {2023},
abstract = {Recent years have revealed a large number of complex
mechanisms and interactions that drive the development of
malignant tumors. Tumor evolution is a framework that
explains tumor development as a process driven by survival
of the fittest, with tumor cells of different properties
competing for limited available resources. To predict the
evolutionary trajectory of a tumor, knowledge of how
cellular properties influence the fitness of a subpopulation
in the context of the microenvironment is required and is
often inaccessible. Computational multiscale-modeling of
tissues enables the observation of the full trajectory of
each cell within the tumor environment. Here, we model a 3D
spheroid tumor with subcellular resolution. The fitness of
individual cells and the evolutionary behavior of the tumor
are quantified and linked to cellular and environmental
parameters. The fitness of cells is solely influenced by
their position in the tumor, which in turn is influenced by
the two variable parameters of our model: cell–cell
adhesion and cell motility. We observe the influence of
nutrient independence and static and dynamically changing
nutrient availability on the evolutionary trajectories of
heterogeneous tumors in a high-resolution computational
model. Regardless of nutrient availability, we find a
fitness advantage of low-adhesion cells, which are favorable
for tumor invasion. We find that the introduction of
nutrient-dependent cell division and death accelerates the
evolutionary speed. The evolutionary speed can be increased
by fluctuations in nutrients. We identify a distinct
frequency domain in which the evolutionary speed increases
significantly over a tumor with constant nutrient supply.
The findings suggest that an unstable supply of nutrients
can accelerate tumor evolution and, thus, the transition to
malignancy.},
cin = {JSC},
ddc = {530},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
(SDLs) and Research Groups (POF4-511) / Forschergruppe Schug
$(hkf6_20200501)$},
pid = {G:(DE-HGF)POF4-5111 / $G:(DE-Juel1)hkf6_20200501$},
typ = {PUB:(DE-HGF)16},
pubmed = {37011021},
UT = {WOS:000967258200001},
doi = {10.1021/acs.jpcb.2c08114},
url = {https://juser.fz-juelich.de/record/1006629},
}