Anticancer Mechanisms of Cantharidin Derivatives
Summary
Cantharidin, a terpenoid extracted from blister beetles, and its synthetic analogues such as norcantharidin exhibit broad anticancer activity through multiple molecular pathways. A principal mechanism involves inhibition of protein phosphatase 2A (PP2A), which results in dysregulated dephosphorylation of key signalling proteins, triggering cell‐cycle arrest and apoptosis. Concurrently, these compounds interfere with heat shock factor 1 (HSF1), suppressing transcription of pro-survival chaperones such as HSP70 and BAG3 and compromising tumour cell proteostasis.
Further antitumour effects arise from modulation of microRNA networks, notably upregulation of miR-607, which downregulates epidermal growth factor receptor (EGFR) and attenuates PI3K/AKT/mTOR and ERK/MAPK signalling. Transcriptional repression of metastasis-inducing genes including S100A4 and MACC1 diminishes cell migration, invasion and colony formation. Advances in structural modification and nanoparticle-based delivery systems enhance selective tumour targeting and reduce hepatotoxicity. Together, these mechanisms converge to inhibit proliferation, induce programmed cell death and impede metastatic progression, underscoring the therapeutic promise of cantharidin derivatives in oncology.
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Anticancer Mechanisms of Cantharidin Derivatives publication trend
The graph below shows the total number of articles in anticancer mechanisms of cantharidin derivatives across all publications each year (not limited to Nature Index journals).
Technical terms
Protein phosphatase 2A (PP2A): A serine/threonine phosphatase that regulates cell‐cycle progression and survival signalling by dephosphorylation.
Heat shock factor 1 (HSF1): A transcription factor that induces expression of molecular chaperones in response to cellular stress.
Epidermal growth factor receptor (EGFR): A cell-surface tyrosine kinase receptor that activates proliferative and survival pathways when overexpressed or mutated.
PI3K/AKT/mTOR pathway: A central signalling cascade controlling cell growth, metabolism and apoptosis in response to extracellular cues.
ERK/MAPK pathway: A mitogen-activated protein kinase pathway that governs cell proliferation, differentiation and stress responses.
Metastasis‐inducing genes (S100A4, MACC1): Genes whose products promote tumour cell motility, invasion and establishment at secondary sites.
References
- Anticancer Attributes of Cantharidin: Involved Molecular Mechanisms and Pathways. Molecules (2020).
- The Natural Compound Cantharidin Induces Cancer Cell Death through Inhibition of Heat Shock Protein 70 (HSP70) and Bcl-2-associated Athanogene Domain 3 (BAG3) Expression by Blocking Heat Shock Factor 1 (HSF1) Binding to Promoters*. Journal of Biological Chemistry (2013).
- Cantharidin induces apoptosis of human triple negative breast cancer cells through mir-607-mediated downregulation of EGFR. Journal of Translational Medicine (2023).
- Cantharidin and Its Analogue Norcantharidin Inhibit Metastasis—Inducing Genes S100A4 and MACC1. International Journal of Molecular Sciences (2023).
- Hepatotoxic mechanism of cantharidin: insights and strategies for therapeutic intervention. Frontiers in Pharmacology (2023).
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