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Single-Cell RNA-Seq Reveals Conserved Cellular Communication Mechanisms Governing Ocular Lineage Specification from

Laura Howard1,2, Yuki Ishikawa3,4, Rei Kamuro4,5

  • 1School of Optometry and Vision Sciences, Cardiff University, Cardiff CF24 4HQ, Wales, UK.

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|January 28, 2026
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Summary
This summary is machine-generated.

Human induced pluripotent stem cells (hiPSCs) model early eye development by self-organizing into eye-like organoids. This study reveals conserved signaling pathways crucial for ocular differentiation, advancing developmental biology research.

Keywords:
SEAMhiPSCocularsignallingsingle-celltranscriptomics

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Ophthalmology

Background:

  • Early eye development involves complex cell fate decisions.
  • Human induced pluripotent stem cells (hiPSCs) offer a model for studying these processes.
  • Understanding ocular development is crucial for regenerative medicine and treating eye diseases.

Purpose of the Study:

  • To model early eye development using hiPSCs.
  • To dissect cellular communication networks during in vitro ocular differentiation.
  • To identify key molecular mediators of the transition from pluripotency to ocular fate.

Main Methods:

  • Generation of 2D eye-like organoids from hiPSCs.
  • Transcriptomic data analysis.
  • Single-cell analysis of cellular communication networks.

Main Results:

  • Identified key signaling mediators and transcriptional effectors guiding ocular differentiation.
  • Revealed conserved developmental signaling pathways including Activin, FGF, BMP, WNT, and retinoic acid.
  • Demonstrated conserved tissue-specific activity of transcriptional regulators during differentiation.

Conclusions:

  • hiPSCs are a valuable tool for studying cellular interactions in early eye development.
  • The study advances understanding of conserved molecular pathways in ocular development.
  • Findings provide insights into stem cell-based systems for developmental research.