Design principles of pluripotency.
Design principles of pluripotency.
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DOI:
10.1002/emmm.200900035
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发表时间:
2009-08
影响因子:
11.1
通讯作者:
Smith, Austin
中科院分区:
文献类型:
--
作者:
Smith, Austin
Pluripotency is the capacity of individual cells to initiate all lineages of the mature organism in a flexible manner directed by signals in the embryo or cell culture environment. It is the keystone of mammalian development and of embryonic stem cell (ES) biology. A pluripotent cell has no predetermined programme; it is a blank slate. What are the design principles of this unrestricted cell state? Genetic and cell biological studies point to transcription factor command rather than epigenetic governance (Niwa, 2007; Silva & Smith, 2008). Persuasive support for this view comes from the remarkable discovery of Shinya Yamanaka that pluripotency can be recreated from somatic cells through transcription factor induced reprogramming (Takahashi & Yamanaka, 2006). So how is this unique status acquired, how can it be maintained, and how is the exit path (s) to committed lineage progenitors routed? These are some of the questions that my laboratory is addressing. What follows here is a personal perception of the underlying design principles of pluripotency and lineage determination.
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