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Beyond pluripotency: Yamanaka factors drive brain growth and regeneration

Sunwoo Choi1, Mingzi Zhang1, Ruslan Rust1

  • 1Department of Physiology and Neuroscience, University of Southern California, Los Angeles, CA 90033, USA; Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.

Trends in Molecular Medicine
|December 12, 2024
PubMed

Insights

Transient expression of Yamanaka factors (YFs) in the mouse brain promotes cortical development and mitigates Alzheimer's disease symptoms. This study highlights YFs' potential beyond pluripotency for neurological applications.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Stem Cell Biology

Background:

  • Yamanaka factors (YFs) are transcription factors known for inducing pluripotency in somatic cells.
  • Their potential therapeutic applications in neurodegenerative diseases remain largely unexplored.

Purpose of the Study:

  • To investigate the effects of transient Yamanaka factor expression in the developing mouse brain.
  • To assess the impact of YFs on cortical development and cognitive function in an Alzheimer's disease model.

Main Methods:

  • Utilized transient expression of Yamanaka factors in the mouse brain.
  • Examined effects on cortical development and neurogenesis.
  • Assessed cognitive function in a mouse model of Alzheimer's disease.

Main Results:

  • Transient YF expression led to significant expansion of the developing mouse cortex.
  • YF treatment prevented cognitive decline in the Alzheimer's disease model.
  • Demonstrated a novel role for YFs in neural development and protection.

Conclusions:

  • Transient Yamanaka factor expression offers a promising strategy for enhancing brain development.
  • YFs show potential for therapeutic intervention in Alzheimer's disease and other neurological disorders.
Keywords:
Alzheimer’s diseaseYFagingneurodegenerationpluripotent stem cellsreprogramming

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