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Related Experiment Video

Updated: Oct 23, 2025

Author Spotlight: Advancements in Adult Zebrafish Brain Research
07:21

Author Spotlight: Advancements in Adult Zebrafish Brain Research

Published on: July 28, 2023

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A zebrafish model for calcineurin-dependent brain function.

Sara Tucker Edmister1, Rahma Ibrahim1, Rohit Kakodkar2

  • 1Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI 02912, USA.

Behavioural Brain Research
|August 23, 2021
PubMed
Summary
This summary is machine-generated.

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Small molecules targeting calcineurin signaling impact zebrafish behavior. Calcineurin inhibitors caused hyperactivity, while proINDY reduced activity, suggesting pathway regulation of neural function.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Developmental Biology

Background:

  • Calcineurin signaling is implicated in Down syndrome and Alzheimer's disease.
  • Small molecules like proINDY, cyclosporine, and tacrolimus modulate calcineurin activity.
  • Understanding their behavioral effects is crucial for therapeutic development.

Purpose of the Study:

  • To investigate the behavioral effects of proINDY, cyclosporine, and tacrolimus in zebrafish larvae.
  • To assess the role of calcineurin-NFAT signaling in regulating behavior.
  • To evaluate a high-throughput platform for testing modulators of calcineurin signaling.

Main Methods:

  • Zebrafish larvae were treated with calcineurin inhibitors (cyclosporine, tacrolimus) or activator (proINDY).
  • Behavioral assays included activity levels, visually-guided behaviors, and acoustic responses.
Keywords:
Alzheimer’s diseaseBehaviorCalcineurin signalingDown syndromeZebrafish

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  • Co-treatments were used to examine synergistic or opposing effects.

    • Main Results:

    • Calcineurin inhibitors induced hyperactivity and impaired visually-guided and acoustic behaviors.
    • ProINDY reduced activity and enhanced visually-guided behaviors, opposing inhibitor effects.
    • Combined treatments showed therapeutic potential for some behaviors but increased excitability.

    Conclusions:

    • Calcineurin-NFAT signaling plays a key role in regulating zebrafish activity and visually-guided behaviors.
    • Modulators can have opposing effects, highlighting pathway complexity.
    • The study presents a platform for evaluating neural function restoration and side effects.