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Multipotency and Niche of Bulge Stem Cell

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Updated: May 20, 2026

Protocol for Human Blastoids Modeling Blastocyst Development and Implantation
12:09

Protocol for Human Blastoids Modeling Blastocyst Development and Implantation

Published on: August 10, 2022

Pluripotency takes off without Blimp1.

Amander T Clark1

  • 1Department of Molecular Cell and Developmental Biology, Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA 90095, USA. clarka@ucla.edu

Cell Stem Cell
|July 10, 2012
PubMed
Summary
This summary is machine-generated.

Blimp1 is essential for primordial germ cell specification but not for deriving stem cells or reprogramming. Pluripotency acquisition does not necessitate a Blimp1-dependent germ cell intermediate state.

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Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions
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Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions

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Last Updated: May 20, 2026

Protocol for Human Blastoids Modeling Blastocyst Development and Implantation
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Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions
09:34

Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions

Published on: November 27, 2017

Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Epigenetics

Background:

  • Primordial germ cell (PGC) specification is a critical early developmental event.
  • Blimp1 is a key transcription factor known to be required for PGC specification.
  • The role of Blimp1 in establishing pluripotency in different stem cell types and during reprogramming remains incompletely understood.

Discussion:

  • This study investigates the necessity of Blimp1 for the derivation of embryonic stem cells (ESCs), epiblast stem cells (EpiSCs), and for cellular reprogramming.
  • Findings indicate that Blimp1 is dispensable for these processes, challenging established models.
  • The results suggest that PGCs may not be a mandatory intermediate for achieving pluripotency in all contexts.

Key Insights:

  • Blimp1 is not required for the derivation of embryonic stem cells (ESCs) or epiblast stem cells (EpiSCs).
  • Reprogramming to a pluripotent state can occur independently of Blimp1 function.
  • The study dissociates pluripotency acquisition from a Blimp1-dependent primordial germ cell (PGC) pathway.

Outlook:

  • These findings necessitate a re-evaluation of the developmental pathways leading to pluripotency.
  • Further research may explore alternative pathways that establish pluripotency in the absence of Blimp1.
  • Understanding these mechanisms could have implications for regenerative medicine and synthetic biology.