Context-dependent capacity to change differentiated identity or developmental potential. Demonstrating a transition requires distinguishing conversion of a defined starting cell from selection of a rare pre-existing population.
Changes in intestinal epithelial potential that allow previously committed cells to restore a renewing stem-cell compartment under particular conditions.
Conversion between differentiated cellular identities. Whether a progenitor-like intermediate is traversed is an experimental question rather than part of a universal mechanism.
A return from a more committed state toward a less committed or progenitor-like state. Re-expression of one marker is weaker evidence than sustained renewal and functional lineage output.
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