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Related Experiment Video

Updated: Mar 8, 2026

Author Spotlight: Creating a Versatile Experimental Autoimmune Encephalomyelitis Model Relevant for Both Male and Female Mice
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Novel Zebrafish EAE model: A quick in vivo screen for multiple sclerosis.

Pushkar Kulkarni1, Swapna Yellanki2, Raghavender Medishetti2

  • 1Drug Discovery Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science-Pilani, Hyderabad Campus, Hyderabad-500078, India; Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad-500046, India.

Multiple Sclerosis and Related Disorders
|January 21, 2017
PubMed
Summary

A new adult zebrafish model for experimental autoimmune encephalomyelitis (EAE) offers rapid drug screening for multiple sclerosis (MS) pre-clinical research. This validated model allows for quick in vivo assessment of drug candidates, reducing the time and resources needed compared to rodent studies.

Keywords:
Drug DiscoveryExperimental autoimmune encephalomyelitis (EAE)Fingolimod (Gilenya)Multiple Sclerosis (MS)Myelin oligodendrocyte glycoprotein (MOG)Zebrafish

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Area of Science:

  • Neuroscience
  • Immunology
  • Pharmacology

Background:

  • Pre-clinical drug discovery for multiple sclerosis (MS) relies on labor-intensive rodent models like experimental autoimmune encephalomyelitis (EAE).
  • Current EAE models in rodents involve lengthy disease induction and observation periods.
  • There is a need for faster, simpler models to bridge in vitro screening and in vivo rodent studies.

Purpose of the Study:

  • To standardize and validate a novel adult zebrafish model for experimental autoimmune encephalomyelitis (EAE).
  • To establish a rapid screening platform for potential MS therapeutics.
  • To compare zebrafish EAE model responses with known EAE drug modulators.

Main Methods:

  • Developed an EAE model in adult zebrafish by inducing disease with myelin oligodendrocyte glycoprotein (MOG).
  • Monitored survival, clinical signs, and body weight changes post-induction.
  • Validated the model using known EAE modulators: fingolimod, dimethyl fumarate, dexamethasone, and SR1001.

Main Results:

  • Established an optimal MOG immunization dose (0.6mg/ml in CFA) for disease induction in zebrafish.
  • Demonstrated significant modulation of EAE symptoms with fingolimod, confirmed by histopathology.
  • Observed results consistent with rodent EAE models when validating with dimethyl fumarate, dexamethasone, and SR1001.

Conclusions:

  • Successfully standardized and validated an adult zebrafish EAE model.
  • This model provides a rapid (within a week) in vivo assessment of drug efficacy using minimal compound quantities.
  • Further research is needed to fully characterize the model, especially regarding MOG homologues in zebrafish.