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2015 ; 17
(3
): 151-9
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Transdifferentiation of Fibroblasts by Defined Factors
#MMPMID26053515
Zhao Z
; Xu M
; Wu M
; Tian X
; Zhang C
; Fu X
Cell Reprogram
2015[Jun]; 17
(3
): 151-9
PMID26053515
show ga
Cellular differentiation is usually considered to be an irreversible process
during development due to robust lineage commitment. Feedback and feed-forward
loops play a significant role in maintaining lineage-specific gene expression
processes in various cell types, and, in turn, factors secreted by cells may
regulate the homeostatic balance of these cycles during development and
differentiation. The output of biological responses is controlled by such
mechanisms in many regulatory pathways through gene networks involved in
transcription, RNA metabolism, signal transduction, micromolecular synthesis, and
degradation. The pluripotent stage during cellular conversion may be avoided
through ectopic expression of lineage-specific factors. Lineage-specific
transcription factors produced during development may strengthen cell
type-specific gene expression patterns. Cellular phenotypes are further
stabilized by epigenetic modifications. This reprogramming approach could have
important implications for disease modeling and regenerative and personalized
medicine.