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[A method for combining Fluoro-Jade B staining and immunofluorescent staining].

Xia-Lin Zuo1, Ji-Zi Jin, Dan-Dan Liu

  • 1Institute of Neurosciences, Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China.E-mail: zuo85109@163.com.

Nan Fang Yi Ke Da Xue Xue Bao = Journal of Southern Medical University
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Combining Fluoro-Jade B (FJB) staining with immunofluorescence staining is effective for visualizing neuronal damage in rat brain tissues. Performing FJB staining before immunofluorescence staining enhances the visualization of positive cells.

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Area of Science:

  • Neuroscience
  • Histology

Background:

  • Focal cortical infarction is a significant neurological condition.
  • Accurate visualization of neuronal damage is crucial for research.

Purpose of the Study:

  • To establish an optimal protocol for combining Fluoro-Jade B (FJB) staining with immunofluorescence staining.
  • To evaluate the efficacy of this combined staining method in rat models of focal cortical infarction.

Main Methods:

  • Rat models of permanent distal middle cerebral artery occlusion (dMCAO) were established.
  • Brain tissue sections were stained using two sequences: FJB followed by immunofluorescence, and vice versa.

Main Results:

  • The sequence of FJB staining prior to immunofluorescence staining clearly visualized both FJB-positive and immunofluorescence-positive cells.
  • The reverse staining sequence resulted in unclear visualization of immunofluorescence-positive cells.

Conclusions:

  • Applying Fluoro-Jade B staining before immunofluorescence staining does not compromise protein immunofluorescence staining.
  • This optimized protocol enhances the visualization of positive cells in rat brain sections, aiding in the study of neuronal damage.