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Zebrafish Drug Discovery Screens
Research Guide

What is Zebrafish Drug Discovery Screens?

Zebrafish drug discovery screens use larval zebrafish for high-throughput phenotypic assays to identify bioactive compounds targeting cardiotoxicity, neurotoxicity, and cancer phenotypes.

These screens leverage zebrafish embryos' optical transparency and genetic tractability for whole-organism testing of chemical libraries. Key studies include Zon and Peterson (2005) with 1342 citations establishing in vivo screening protocols. Over 10 foundational papers from 2003-2013 demonstrate applications in neurology and oncology.

Curated Papers

Key Challenges

Why It Matters

Zebrafish screens cut drug development costs by 10-fold compared to mammalian models, identifying hits like clemizole for Dravet syndrome (Baraban et al., 2013, 433 citations). They enable rapid validation of neuroactive compounds via behavior assays (Kokel et al., 2010, 529 citations). Screens model human diseases such as cancer (White et al., 2013, 405 citations), accelerating preclinical pipelines and reducing attrition rates from 90% to lower figures through early toxicity detection.

Key Research Challenges

Translational Validation Gaps

Hits from zebrafish screens often fail in mammalian models due to physiological differences. Zon and Peterson (2005) note the need for secondary assays. Santoriello and Zon (2012, 501 citations) highlight organ similarity limits.

High-Throughput Phenotype Quantification

Quantifying subtle behavioral or morphological changes requires automated imaging. Burgess and Granato (2007, 552 citations) developed sensorimotor gating assays. Kokel et al. (2010) addressed rapid behavior screening challenges.

Genetic Model Standardization

Variability in mutant lines affects reproducibility across labs. Baraban et al. (2013) used Scn1a mutants for epilepsy screens. White et al. (2013) discuss cancer model consistency issues.

Essential Papers

In vivo drug discovery in the zebrafish

Leonard I. Zon, Randall T. Peterson · 2005 · Nature Reviews Drug Discovery · 1.3K citations

Genomic Analysis of Mouse Retinal Development

Seth Blackshaw, Sanjiv Harpavat, Jeffrey M. Trimarchi et al. · 2004 · PLoS Biology · 590 citations

The vertebrate retina is comprised of seven major cell types that are generated in overlapping but well-defined intervals. To identify genes that might regulate retinal development, gene expression...

Oligodendrocytes in Development, Myelin Generation and Beyond

Sarah Kuhn, Laura Gritti, Daniel Crooks et al. · 2019 · Cells · 563 citations

Oligodendrocytes are the myelinating cells of the central nervous system (CNS) that are generated from oligodendrocyte progenitor cells (OPC). OPC are distributed throughout the CNS and represent a...

Sensorimotor Gating in Larval Zebrafish

Harold A. Burgess, Michael Granato · 2007 · Journal of Neuroscience · 552 citations

Control of behavior in the natural environment where sensory stimuli are abundant requires superfluous information to be ignored. In part, this is achieved through selective transmission, or gating...

Rapid behavior-based identification of neuroactive small molecules in the zebrafish

David Kokel, Jennifer Bryan, Christian Laggner et al. · 2010 · Nature Chemical Biology · 529 citations

Hooked! Modeling human disease in zebrafish

Cristina Santoriello, Leonard I. Zon · 2012 · Journal of Clinical Investigation · 501 citations

Zebrafish have been widely used as a model system for studying developmental processes, but in the last decade, they have also emerged as a valuable system for modeling human disease. The developme...

Hypocretin/Orexin Overexpression Induces An Insomnia-Like Phenotype in Zebrafish

David A. Prober, Jason Rihel, Anthony A. Onah et al. · 2006 · Journal of Neuroscience · 492 citations

As many as 10% of humans suffer chronic sleep disturbances, yet the genetic mechanisms that regulate sleep remain essentially unknown. It is therefore crucial to develop simple and cost-effective v...

Reading Guide

Foundational Papers

Start with Zon and Peterson (2005) for core screening principles (1342 citations), then Kokel et al. (2010) for behavior methods (529 citations), followed by Santoriello and Zon (2012) for disease applications (501 citations).

Recent Advances

Baraban et al. (2013) on epilepsy treatment (433 citations); White et al. (2013) on cancer screens (405 citations).

Core Methods

High-throughput behavior tracking (Burgess and Granato, 2007); mutant phenotypic screens (Baraban et al., 2013); chemical library testing (Zon and Peterson, 2005).

How PapersFlow Helps You Research Zebrafish Drug Discovery Screens

Discover & Search

Research Agent uses searchPapers and exaSearch to find 'zebrafish neurotoxicity screens' yielding Zon and Peterson (2005), then citationGraph reveals 1342 citing papers including Kokel et al. (2010). findSimilarPapers expands to Baraban et al. (2013) for epilepsy drug hits.

Analyze & Verify

Analysis Agent applies readPaperContent to extract screening protocols from Kokel et al. (2010), verifies hit rates with runPythonAnalysis on behavioral data using pandas for statistics, and employs verifyResponse (CoVe) with GRADE grading to confirm translational success rates from Zon and Peterson (2005).

Synthesize & Write

Synthesis Agent detects gaps in neurotoxicity validation via contradiction flagging across Santoriello and Zon (2012), then Writing Agent uses latexEditText, latexSyncCitations for Baraban et al. (2013), and latexCompile to generate a methods section with exportMermaid for screening workflow diagrams.

Use Cases

"Analyze dose-response curves from Kokel et al. 2010 zebrafish behavior screen"

Analysis Agent → readPaperContent → runPythonAnalysis (pandas curve fitting, matplotlib plots) → statistical verification output with IC50 values and p-values.

"Draft LaTeX review on zebrafish cancer drug screens citing White et al. 2013"

Synthesis Agent → gap detection → Writing Agent → latexEditText → latexSyncCitations → latexCompile → PDF with integrated figures.

"Find GitHub code for Scn1a zebrafish mutant screening from Baraban et al. 2013"

Research Agent → paperExtractUrls → paperFindGithubRepo → githubRepoInspect → code for automated phenotype scoring.

Automated Workflows

Deep Research workflow scans 50+ papers via searchPapers on 'zebrafish drug screens', structures report with agents chaining citationGraph to Kokel et al. (2010) and Baraban et al. (2013). DeepScan applies 7-step analysis with CoVe checkpoints to verify phenotyping methods from Burgess and Granato (2007). Theorizer generates hypotheses on novel epilepsy targets from Scn1a mutant data.

Try Doxa for Zebrafish Drug Discovery Screens Research

Frequently Asked Questions

What defines zebrafish drug discovery screens?

Phenotypic assays in larval zebrafish test chemical libraries for effects on heart, neuron, or cancer phenotypes, as defined in Zon and Peterson (2005).

What are key methods in these screens?

Behavior-based assays (Kokel et al., 2010), mutant models like Scn1a (Baraban et al., 2013), and imaging for cardiotoxicity (Zon and Peterson, 2005).

What are foundational papers?

Zon and Peterson (2005, 1342 citations) for in vivo discovery; Kokel et al. (2010, 529 citations) for neuroactive molecules; Santoriello and Zon (2012, 501 citations) for disease modeling.

What open problems exist?

Improving mammalian translation (Santoriello and Zon, 2012), standardizing mutants (White et al., 2013), and scaling high-content imaging beyond current assays.