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Generation of Mice Derived from Induced Pluripotent Stem Cells
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Molecular mechanisms underlying totipotency.

Takashi Ishiuchi1, Mizuki Sakamoto2

  • 1Faculty of Life and Environmental Sciences, University of Yamanashi, Yamanashi, Japan tishiuchi@yamanashi.ac.jp.

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|September 4, 2023
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Summary

Totipotency, the broader developmental potential than pluripotency, is poorly understood due to limited models. Recent advances in single-cell sequencing are revealing key molecular features of totipotent cells.

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology

Background:

  • Mammalian pluripotency is well-studied, leading to induced pluripotent stem cells for regenerative medicine and disease modeling.
  • Understanding totipotency, a broader developmental plasticity, remains limited due to scarce materials and lack of in vitro models.

Purpose of the Study:

  • To review key findings in understanding totipotency.
  • To discuss the acquisition of totipotency during early life development.

Main Methods:

  • Review of recent technological advances, particularly single-cell and low-input sequencing.
  • Analysis of molecular features characterizing totipotent cells.
  • Dissection of pre- and post-fertilization developmental processes at molecular resolution.

Main Results:

  • Recent technologies have unveiled molecular characteristics of totipotent cells.
  • Single-cell sequencing allows high-resolution analysis of early development.

Conclusions:

  • Despite challenges, technological advancements are improving our understanding of totipotency.
  • Further research is needed to fully elucidate the mechanisms of totipotency acquisition.