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@ARTICLE{Schmitz:888659,
author = {Schmitz, Julian and Täuber, Sarah and Westerwalbesloh,
Christoph and Lieres, Eric and Noll, Thomas and Grünberger,
Alexander},
title = {{D}evelopment and application of a cultivation platform for
mammalian suspension cell lines with single‐cell
resolution},
journal = {Biotechnology $\&$ bioengineering},
volume = {118},
number = {2},
issn = {1097-0290},
address = {New York, NY [u.a.]},
publisher = {Wiley},
reportid = {FZJ-2020-05101},
pages = {992-1005},
year = {2021},
abstract = {In bioproduction processes, cellular heterogeneity can
cause unpredictable process outcomes or even provoke process
failure. Still, cellular heterogeneity is not examined
systematically in bioprocess research and development. One
reason for this shortcoming is the applied average bulk
analyses, which are not able to detect cell‐to‐cell
differences. In this study, we present a microfluidic tool
for mammalian single‐cell cultivation (MaSC) of suspension
cells. The design of our platform allows cultivation in
highly controllable environments. As a model system, Chinese
hamster ovary cells (CHO‐K1) were cultivated over 150 h.
Growth behavior was analyzed on a single‐cell level and
resulted in growth rates between 0.85 and 1.16 day−1. At
the same time, heterogeneous growth and division behavior,
for example, unequal division time, as well as rare cellular
events like polynucleation or reversed mitosis were
observed, which would have remained undetected in a standard
population analysis based on average measurements.
Therefore, MaSC will open the door for systematic
single‐cell analysis of mammalian suspension cells.
Possible fields of application represent basic research
topics like cell‐to‐cell heterogeneity, clonal
stability, pharmaceutical drug screening, and stem cell
research, as well as bioprocess related topics such as media
development and novel scale‐down approaches.},
cin = {IBG-1},
ddc = {570},
cid = {I:(DE-Juel1)IBG-1-20101118},
pnm = {2172 - Utilization of renewable carbon and energy sources
and engineering of ecosystem functions (POF4-217)},
pid = {G:(DE-HGF)POF4-2172},
typ = {PUB:(DE-HGF)16},
pubmed = {33200818},
UT = {WOS:000592056500001},
doi = {10.1002/bit.27627},
url = {https://juser.fz-juelich.de/record/888659},
}