Zebrafish Developmental Toxicity Screening of 91 NTP Compounds

A 91-compound library from the National Toxicology Program was screened for developmental toxicity using zebrafish embryos. The study recorded mortality, teratogenic effects, and photomotor behavior at 4 and 5 days post-fertilization, resulting in 55 hits across 86 unique chemicals. Research was conducted by Katharina Dach and published in 2020.

Use Cases

• Analyze the relationship between chemical functional groups (e.g., flame retardants, PAHs) and specific teratogenic effects observed in zebrafish.
• Model behavioral abnormality outcomes at 4 and 5 days post-fertilization as a sensitive endpoint for toxicity prediction.
• Compare mortality/teratology results against photomotor behavior assessments to identify compounds affecting only one endpoint.
• Screen the 86 unique chemicals for concentration-dependent effects on zebrafish development and behavior.

Strengths

• Screens a defined library of 91 compounds from the National Toxicology Program.
• Reports results for 86 unique chemicals across multiple toxicity endpoints.
• Data is openly available under a CC0 1.0 public domain license.

Limitations

• Sample size and number of experimental replicates per compound are not specified.
• Data is from a single study published in 2020 and may not reflect more recent research.
• Limited to zebrafish (Danio rerio) as a model organism, which may not translate directly to other species.

Provenance

Source

Katharina Dach via Dryad.

Collection Method

Zebrafish embryos were exposed to five concentrations of each chemical from 6 hours to 5 days post-fertilization, with daily examinations for mortality/teratology and photomotor behavior assessments.

Time Range

Experimental timeframe not specified; dataset published in 2020.

Freshness

Last updated 2020-06-30.