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Related Experiment Video

Updated: May 20, 2026

Generation of Neurospheres from Mixed Primary Hippocampal and Cortical Neurons Isolated from E14-E16 Sprague Dawley Rat Embryo
12:22

Generation of Neurospheres from Mixed Primary Hippocampal and Cortical Neurons Isolated from E14-E16 Sprague Dawley Rat Embryo

Published on: August 31, 2019

Single-cell mRNA profiling identifies progenitor subclasses in neurospheres.

Gunaseelan Narayanan1, Anuradha Poonepalli, Jinmiao Chen

  • 1Neural Stem Cell Laboratory, Institute of Medical Biology, Singapore, Singapore.

Stem Cells and Development
|July 28, 2012
PubMed
Summary

Neurosphere cultures contain distinct neural progenitor cell populations. Early neural progenitors are identified as the primary cell type responsible for generating neurospheres, modeling central nervous system development.

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Related Experiment Videos

Last Updated: May 20, 2026

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Published on: August 31, 2019

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Stem Cell Research

Background:

  • Neurospheres are crucial for studying neural stem cells (NSCs) and neural progenitors (NPs).
  • The precise cell composition within neurospheres remains largely uncharacterized.

Purpose of the Study:

  • To identify and characterize the different cell types within neurospheres.
  • To determine which cell population is responsible for neurosphere formation.

Main Methods:

  • Single-cell mRNA profiling of 48 genes in 187 neurosphere cells.
  • Clustering algorithms to identify distinct cell populations.
  • Flow cytometry (FSC/SSC) to enrich for neurosphere-forming cells (NFCs).

Main Results:

  • Three distinct cell populations (US1, US2, US3) were identified based on gene expression profiles.
  • These populations correlate with early, intermediate, and late neural progenitor stages observed in vivo.
  • Enriched FSC/SSC(high) cells showed increased neurosphere formation and were enriched for NSCs and Lewis-X(+ve) cells.
  • The NFC cluster's mRNA profile closely resembled that of early neural progenitors.

Conclusions:

  • Neurosphere cultures serve as a valuable model for central nervous system development.
  • Early neural progenitors are the key cell type responsible for initiating neurosphere formation.
  • Further research can elucidate the molecular signature of NFCs and NSCs.