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2017 ; 7
(4
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Deterministic versus stochastic model of reprogramming: new evidence from
cellular barcoding technique
#MMPMID28446707
Yunusova AM
; Fishman VS
; Vasiliev GV
; Battulin NR
Open Biol
2017[Apr]; 7
(4
): ä PMID28446707
show ga
Factor-mediated reprogramming of somatic cells towards pluripotency is a
low-efficiency process during which only small subsets of cells are successfully
reprogrammed. Previous analyses of the determinants of the reprogramming
potential are based on average measurements across a large population of cells or
on monitoring a relatively small number of single cells with live imaging. Here,
we applied lentiviral genetic barcoding, a powerful tool enabling the
identification of familiar relationships in thousands of cells. High-throughput
sequencing of barcodes from successfully reprogrammed cells revealed a
significant number of barcodes from related cells. We developed a computer model,
according to which a probability of synchronous reprogramming of sister cells
equals 10-30%. We conclude that the reprogramming success is pre-established in
some particular cells and, being a heritable trait, can be maintained through
cell division. Thus, reprogramming progresses in a deterministic manner, at least
at the level of cell lineages.