Related Experiment Video

Updated: Jun 4, 2026

Fluorescence Activated Cell Sorting (FACS) and Gene Expression Analysis of Fos-expressing Neurons from Fresh and Frozen Rat Brain Tissue
08:37

Fluorescence Activated Cell Sorting (FACS) and Gene Expression Analysis of Fos-expressing Neurons from Fresh and Frozen Rat Brain Tissue

Published on: August 27, 2016

[The suppression of c-fos in neuron apoptosis induced by heroin]

Pei-Yan Lu1, Ze-Hong Li, Yong Guo

  • 1Department of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China. lupeiyan_2001@tom.com

Fa Yi Xue Za Zhi
|February 4, 2011
PubMed
Abstract

Insights

Heroin exposure induces apoptosis in neonatal rat cerebellar neurons, with heroin downregulating c-fos expression. This suggests a potential mechanism for heroin-induced neuronal injury.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Pharmacology

Context:

  • Neonatal rat cerebellar granular neurons are vulnerable to neurotoxic insults.
  • Heroin's impact on neuronal apoptosis and gene expression is not fully understood.

Purpose:

  • To investigate the effect of heroin on cerebellar granular neuron apoptosis in vitro.
  • To examine the changes in c-fos expression during heroin-induced neuronal apoptosis.
  • To elucidate the mechanisms underlying heroin-induced neuronal injury.

Summary:

  • Primary cerebellar granular neurons were cultured and exposed to heroin to induce apoptosis.
  • Reverse transcription-polymerase chain reaction (RT-PCR) and Western blotting were used to analyze c-fos expression.
  • A heroin concentration of 10 μg/mL at 48 hours optimally induced apoptosis, accompanied by downregulated c-fos expression.

Impact:

  • This study identifies heroin-induced apoptosis of cerebellar granular neurons.
  • Downregulation of c-fos is implicated as a potential mechanism in heroin neurotoxicity.
  • Findings contribute to understanding the neurobiological consequences of heroin exposure.

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