Triterpenoid Compounds in Cancer Therapeutics
Summary
Triterpenoid compounds, predominantly sourced from plants, constitute a diverse family of six-isoprene unit structures that have attracted considerable interest for their anticancer potential. Prominent examples include lupane-type betulinic acid and ursane-type ursolic acid, which exert multifaceted actions such as induction of programmed cell death, inhibition of pro-oncogenic transcription factors and disruption of survival signalling cascades. These natural products display selective cytotoxicity towards malignant cells while sparing normal tissue, offering a favourable therapeutic window. Chemical derivatisation and formulation strategies—ranging from polar esterification to encapsulation within lipid-based carriers—have been employed to overcome intrinsic limitations in solubility and systemic exposure. Mechanistic studies reveal engagement of mitochondrial apoptosis pathways, modulation of inflammatory mediators and activation of autophagy, underscoring the pleiotropic nature of triterpenoid activity. The global burden of cancer and the unmet need for novel adjuvant agents have galvanised efforts to translate triterpenoid scaffolds into clinical candidates, with an emphasis on improving bioavailability, target selectivity and combinatorial efficacy alongside established chemotherapeutics.
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Triterpenoid Compounds in Cancer Therapeutics publication trend
The graph below shows the total number of articles in triterpenoid compounds in cancer therapeutics across all publications each year (not limited to Nature Index journals).
Technical terms
Triterpenoid: A class of natural plant metabolites composed of six isoprene units, many of which exhibit antineoplastic properties.
Betulinic acid: A pentacyclic lupane-type triterpene known for its ability to induce apoptosis in cancer cells via mitochondrial pathways.
Apoptosis: Programmed cell death characterised by caspase activation, DNA fragmentation and cellular dismantling without provoking inflammation.
Bioavailability: The proportion of an administered compound that reaches systemic circulation in an active form, often limited for lipophilic triterpenoids without formulation optimisation.
Autophagy: A regulated catabolic process in which cellular components are sequestered and degraded by lysosomes, which can be harnessed to trigger tumour cell death in response to therapy.
References
- Synthesis, Pharmacological Properties, and Potential Molecular Mechanisms of Antitumor Activity of Betulin and Its Derivatives in Gastrointestinal Cancers. Pharmaceutics (2023).
- In Vitro Cytotoxicity Assessment of Betulinic Acid Organic Salts on Triple-Negative Breast Cancer Cells. Sci (2025).
- Combination of betulinic acid and EGFR-TKIs exerts synergistic anti-tumor effects against wild-type EGFR NSCLC by inducing autophagy-related cell death via EGFR signaling pathway. Respiratory Research (2024).
- Pentacyclic Triterpenoid Phytochemicals with Anticancer Activity: Updated Studies on Mechanisms and Targeted Delivery. International Journal of Molecular Sciences (2023).
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