Jellyfish Venom Characterization and Toxicity Assessment

Jellyfish venoms are complex mixtures of peptides, proteins and enzymes delivered via specialised nematocysts. These venoms often contain phospholipases, metalloproteinases, pore-forming toxins and small bioactive peptides that together produce local dermonecrosis, pain, inflammation and systemic effects such as cardiotoxicity and neurotoxicity. Characterisation relies on integrated transcriptomic and proteomic workflows, combining deep RNA sequencing with mass spectrometry to catalogue toxin-encoding genes and their protein products. Functional toxicity assessment employs in vitro cytotoxicity and haemolysis assays, ex vivo tissue models and in vivo rodent studies to define dose–response relationships and identify key molecular pathways. Computational methods, including molecular docking and dynamics, further reveal toxin–target interactions and guide inhibitor design. Growing jellyfish blooms driven by climate change heighten public health concerns, prompting development of evidence-based first-aid protocols and species-specific antivenoms. Beyond risk mitigation, jellyfish venom components are being explored as templates for novel therapeutics, including anticancer and anti-inflammatory agents, underlining the global significance of this research arena.

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Jellyfish Venom Characterization and Toxicity Assessment publication trend

The graph below shows the total number of articles in jellyfish venom characterization and toxicity assessment across all publications each year (not limited to Nature Index journals).

Technical terms

Nemacyst: A specialised cnidarian organelle containing a coiled, venom-filled capsule that discharges upon mechanical or chemical stimulation.

Proteomics: The large-scale analysis of protein composition and function, often using mass spectrometry to identify venom constituents.

Transcriptomics: The study of complete RNA transcripts in a tissue or organism, employed to discover toxin-encoding genes in jellyfish tentacles.

Metalloproteinase: An enzyme that requires a metal ion cofactor to catalyse proteolytic degradation of extracellular matrix proteins, contributing to tissue injury.

Apoptosis: A programmed form of cell death characterised by caspase activation and DNA fragmentation, frequently targeted in anticancer research.

References

1. Troxerutin suppress inflammation response and oxidative stress in jellyfish dermatitis by activating Nrf2/HO-1 signaling pathway. Frontiers in Immunology (2024).
2. Chemical Compositions and Experimental and Computational Modeling of the Anticancer Effects of Cnidocyte Venoms of Jellyfish Cassiopea andromeda and Catostylus mosaicus on Human Adenocarcinoma A549 Cells. Marine Drugs (2023).
3. Pharmacoinformatic Investigation of Silymarin as a Potential Inhibitor against Nemopilema nomurai Jellyfish Metalloproteinase Toxin-like Protein. International Journal of Molecular Sciences (2023).
4. Impact of Scyphozoan Venoms on Human Health and Current First Aid Options for Stings. Toxins (2018).
5. Tentacle Transcriptome and Venom Proteome of the Pacific Sea Nettle, Chrysaora fuscescens (Cnidaria: Scyphozoa). Toxins (2016).
6. Cytotoxic and Cytolytic Cnidarian Venoms. A Review on Health Implications and Possible Therapeutic Applications. Toxins (2013).