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Related Experiment Video

Updated: Apr 16, 2026

Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging
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Simultaneous neuron- and astrocyte-specific fluorescent marking.

Wiebke Schulze1, Atsuko Hayata-Takano2, Toshihiko Kamo1

  • 1Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan.

Biochemical and Biophysical Research Communications
|February 28, 2015
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel method using lentiviral vectors for specific fluorescent labeling of brain neurons and astrocytes. This tool enables simultaneous analysis of these key cell types in healthy and diseased brains.

Keywords:
AstrocyteAstrocyte-specific promoterFluorescent proteinLentiviral vectorNeuronNeuron-specific promoter

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Simultaneous analysis of multiple brain cell types is crucial but lacks adequate tools.
  • Neurons and astrocytes are the two major cell types in the brain.

Purpose of the Study:

  • To develop a method for specific fluorescent labeling of neurons and astrocytes.
  • To enable simultaneous analysis of these cell types in the brain.

Main Methods:

  • Developed lentiviral vectors to express tdTomato in neurons and enhanced green fluorescent protein (EGFP) in astrocytes.
  • Fused fluorescent proteins to histone 2B (H2B) for nuclear localization and single-cell distinction.
  • Constructed tandem expression cassettes for simultaneous labeling.

Main Results:

  • Achieved cell type-specific and nuclear-localized fluorescence signals in vitro and in vivo.
  • Successfully distinguished between neurons and astrocytes using the developed system.
  • Demonstrated the utility of the tool for easy detection and distinguishability.

Conclusions:

  • The developed lentiviral vectors provide a robust tool for specific and simultaneous labeling of neurons and astrocytes.
  • This method facilitates the analysis of neuronal and astrocytic changes in both healthy and diseased brain conditions.
  • Expected to advance research in neuroscience by enabling detailed cellular analysis.