Synthetic Cannabinoid 4F-MDMB-BUTICA Causes Developmental Toxicity and Gene Changes in Zebrafish
The synthetic cannabinoid 4F-MDMB-BUTICA caused dose-dependent mortality, deformities, hypoactivity, and altered expression of 19 genes in zebrafish embryos.
Quick Facts
What This Study Found
LC50: 1.932 mg/L; EC50: 0.960 mg/L at 120 hours. Deformities: spine malformation, pericardial edema, yolk sac edema, delayed development. Hypoactivity in larvae. Gene changes in apoptosis, dopamine, serotonin, GABA, and behavior pathways.
Key Numbers
LC50: 1.932 mg/L; EC50: 0.960 mg/L; 19 genes assessed; 6 concentrations; no acute effects, all effects subacute.
How They Did This
Zebrafish embryos exposed at 0.15-4.80 mg/L. Acute (3-24 hpf) and subacute (3-120 hpf) exposure. Morphology, behavior, and qPCR on 19 genes assessed.
Why This Research Matters
First embryotoxicity data on this new synthetic cannabinoid, revealing multi-system effects that suggest significant developmental risk.
The Bigger Picture
Synthetic cannabinoids emerge faster than safety data. Zebrafish screening provides rapid toxicity flags.
What This Study Doesn't Tell Us
Zebrafish model limits mammalian translation. Single compound. No THC comparison.
Questions This Raises
- ?How does this compare to other synthetic cannabinoids?
- ?Are zebrafish gene changes relevant to humans?
Trust & Context
- Key Stat:
- LC50 of 1.932 mg/L at 120 hours
- Evidence Grade:
- Systematic dose-response with multi-level outcomes, but zebrafish model limits human translation.
- Study Age:
- 2025 study with first embryotoxicity data on 4F-MDMB-BUTICA.
- Original Title:
- Embryotoxicity Evaluation of Novel Synthetic Cannabinoid 4F-MDMB-BUTICA Using Zebrafish Embryos.
- Published In:
- Journal of applied toxicology : JAT, 45(7), 1314-1330 (2025)
- Authors:
- Kullebi, Berşan, Alat, Ömercan, Aksakal, Özkan(2), Yılmaztürk, Derya, Lafzi, Ayşe, Şişman, Turgay
- Database ID:
- RTHC-06870
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
What is 4F-MDMB-BUTICA?
A new-generation synthetic cannabinoid designed to mimic THC but with higher potency and unpredictable toxicity.
Are synthetic cannabinoids dangerous in pregnancy?
This zebrafish study found developmental deformities and gene changes, suggesting significant risk though human translation is uncertain.
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Cite This Study
https://rethinkthc.com/research/RTHC-06870APA
Kullebi, Berşan; Alat, Ömercan; Aksakal, Özkan; Yılmaztürk, Derya; Lafzi, Ayşe; Şişman, Turgay. (2025). Embryotoxicity Evaluation of Novel Synthetic Cannabinoid 4F-MDMB-BUTICA Using Zebrafish Embryos.. Journal of applied toxicology : JAT, 45(7), 1314-1330. https://doi.org/10.1002/jat.4778
MLA
Kullebi, Berşan, et al. "Embryotoxicity Evaluation of Novel Synthetic Cannabinoid 4F-MDMB-BUTICA Using Zebrafish Embryos.." Journal of applied toxicology : JAT, 2025. https://doi.org/10.1002/jat.4778
RethinkTHC
RethinkTHC Research Database. "Embryotoxicity Evaluation of Novel Synthetic Cannabinoid 4F-..." RTHC-06870. Retrieved from https://rethinkthc.com/research/kullebi-2025-embryotoxicity-evaluation-of-novel
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.