Author(s): Livesey FJ, Cepko CL
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Abstract Postmitotic neurons are produced from a pool of cycling progenitors in an orderly fashion during development. Studies of cell-fate determination in the vertebrate retina have uncovered several fundamental principles by which this is achieved. Most notably, a model for vertebrate cell-fate determination has been proposed that combines findings on the relative roles of extrinsic and intrinsic regulators in controlling cell-fate choices. At the heart of the model is the proposal that progenitors pass through intrinsically determined competence states, during which they are capable of giving rise to a limited subset of cell types under the influence of extrinsic signals.
This article was published in Nat Rev Neurosci
and referenced in Cell & Developmental Biology