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Updated: May 28, 2025

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Zebrafish Model for Thrombosis and Brain-Behavior Studies.

Jabila Mary1, Pudur Jagadeeswaran1

  • 1Department of Biological Sciences, University of North Texas, Denton, Texas.

Current Protocols
|February 10, 2025
PubMed
Summary

Zebrafish offer a powerful genetic model for understanding hemostasis and thrombosis. This study details methods for gene knockdown, blood analysis, and functional assays to uncover novel factors in blood clotting and pain pathways.

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Area of Science:

  • * Comparative genomics and molecular biology
  • * Physiology and pathophysiology of hemostasis and thrombosis
  • * Pain research and sensory pathways

Background:

  • * Hemostasis is crucial for preventing blood loss, involving platelet plug formation and coagulation cascade activation.
  • * Thrombosis, or intravascular fibrin formation, is unpredictable and linked to severe pain.
  • * Many factors influencing hemostasis and thrombosis remain unidentified, necessitating advanced research models.

Purpose of the Study:

  • * To establish and validate zebrafish as a genetic model for studying thrombosis and pain.
  • * To present a comprehensive suite of protocols for investigating hemostasis and thrombotic disorders in zebrafish.
  • * To facilitate genome-wide screening for genes involved in hemostasis, thrombosis, and pain signaling.
Keywords:
bleeding assayblood coagulationpainpiggyback knockdownthrombocyte aggregationthrombosis

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Last Updated: May 28, 2025

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Main Methods:

  • * Gene silencing using the piggyback knockdown method.
  • * Blood collection, thrombocyte quantification (FACS analysis), and aggregation assays (flow cytometry, plate tilt).
  • * Coagulation assays (kinetic, bleeding assays), laser-induced thrombosis, and trypsin aversion assay for pain pathway analysis.

Main Results:

  • * Demonstrated the utility of zebrafish for studying hemostasis and thrombosis through various established and novel assays.
  • * Provided detailed protocols for gene silencing, blood analysis, and functional testing of hemostatic components.
  • * Validated assays for assessing coagulation defects, thrombocyte function, and pain perception in zebrafish.

Conclusions:

  • * Zebrafish serve as an effective genetic model for dissecting complex hemostasis and thrombosis mechanisms.
  • * The presented methodologies enable comprehensive functional evaluation of genes impacting blood clotting and pain.
  • * This research provides a foundation for identifying novel therapeutic targets for hemostatic and thrombotic diseases.