Marine Natural Products and Antitumor Activity
Summary
Marine ecosystems host an extraordinary array of organisms that synthesise unique secondary metabolites exhibiting potent antitumour properties. From sponges and tunicates to marine bacteria and cyanobacteria, these natural products often feature unprecedented molecular architectures that enable selective cytotoxicity, apoptosis induction or disruption of cell growth pathways. Classic examples include sponge-derived bengamides, which target methionine aminopeptidases, and alkaloids such as ecteinascidin-743 that bind to DNA. Challenges in this field arise from limited natural supply, complex molecular scaffolds and the need to balance efficacy with safety. Recent advances in computational screening, genome mining and innovative synthetic routes have addressed many of these hurdles, facilitating the production of novel analogues and the optimisation of pharmacological profiles. Efforts to develop sustainable sourcing through mariculture and microbial fermentation are gaining traction, as are strategies to integrate marine compounds into combination regimens aimed at overcoming multidrug resistance. This interdisciplinary endeavour underscores the global significance of marine natural products as a renewable reservoir for next-generation anticancer agents.
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Marine Natural Products and Antitumor Activity publication trend
The graph below shows the total number of articles in marine natural products and antitumor activity across all publications each year (not limited to Nature Index journals).
Technical terms
Bengamides: A class of potent cytotoxic natural products isolated from marine sponges, notable for inhibition of methionine aminopeptidases.
Secondary metabolites: Bioactive organic compounds produced by marine organisms that are not essential for basic metabolism but often exhibit pharmacological effects.
Methionine aminopeptidase (MetAP): An enzyme that removes N-terminal methionine residues from nascent proteins, representing a target for certain antitumour agents.
Cheminformatics: The application of computational tools to store, analyse and model chemical and biological data in drug discovery.
Antiproliferative assays: Laboratory tests that measure the ability of compounds to inhibit the growth and division of cancer cells.
References
- Computational Approaches to Enzyme Inhibition by Marine Natural Products in the Search for New Drugs. Marine Drugs (2023).
- Total Synthesis of 4-epi-Bengamide E. Molecules (2024).
- Bengamide Analogues Show A Potent Antitumor Activity against Colon Cancer Cells: A Preliminary Study. Marine Drugs (2020).
- Proteomics-based Target Identification BENGAMIDES AS A NEW CLASS OF METHIONINE AMINOPEPTIDASE INHIBITORS*. Journal of Biological Chemistry (2003).
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