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Related Experiment Video

Updated: Dec 26, 2025

Single-cell RNA Sequencing of Fluorescently Labeled Mouse Neurons Using Manual Sorting and Double In Vitro Transcription with Absolute Counts Sequencing DIVA-Seq
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Significant Evolutionary Constraints on Neuron Cells Revealed by Single-Cell Transcriptomics.

Ganlu Hu1, Jie Li1, Guang-Zhong Wang1

  • 1CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.

Genome Biology and Evolution
|March 17, 2020
PubMed
Summary
This summary is machine-generated.

Evolutionary constraints on brain cell types reveal neurons are highly conserved, especially mature ones. Early brain development shows plasticity across species, crucial for evolution and understanding neurological diseases.

Keywords:
brain developmentcell typeevolutionary constraintssingle-cell RNA-seqtranscriptome evolution

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Area of Science:

  • Neuroscience
  • Evolutionary Biology
  • Genomics

Background:

  • Single-cell RNA sequencing (scRNA-seq) advances cell type characterization.
  • Evolutionary differences in brain cell types are not well understood.

Purpose of the Study:

  • To investigate evolutionary constraints across diverse brain cell types.
  • To compare these constraints in developing and mature neurons.
  • To examine evolutionary patterns in human, macaque, and mouse brains.

Main Methods:

  • Analysis of over 280,000 single-cell RNA-seq data points.
  • Integration with developmental transcriptomes of bulk brain tissues.

Main Results:

  • Cell types across different organs share significant evolutionary constraints.
  • Neuron cell transcriptomes exhibit high evolutionary restriction, with mature neurons more constrained than stem/nascent neurons.
  • Evolutionary constraint patterns are conserved across brain subregions and species (human, macaque, mouse).
  • The early fetal brain demonstrates the least evolutionary constraint.

Conclusions:

  • Neuronal cell types, particularly mature neurons, are under strong evolutionary pressure.
  • Early brain development's plasticity is evolutionarily conserved and vital.
  • Understanding cell-type-specific evolutionary differences aids neurological disease research and targeted drug development.