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2017 ; 36
(5
): 568-582
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Cell signaling as a cognitive process
#MMPMID28137748
Koseska A
; Bastiaens PI
EMBO J
2017[Mar]; 36
(5
): 568-582
PMID28137748
show ga
Cellular identity as defined through morphology and function emerges from
intracellular signaling networks that communicate between cells. Based on
recursive interactions within and among these intracellular networks, dynamical
solutions in terms of biochemical behavior are generated that can differ from
those in isolated cells. In this way, cellular heterogeneity in tissues can be
established, implying that cell identity is not intrinsically predetermined by
the genetic code but is rather dynamically maintained in a cognitive manner. We
address how to experimentally measure the flow of information in intracellular
biochemical networks and demonstrate that even simple causality motifs can give
rise to rich, context-dependent dynamic behavior. The concept how intercellular
communication can result in novel dynamical solutions is applied to provide a
contextual perspective on cell differentiation and tumorigenesis.