Anti-Inflammatory Properties of Triterpenoid Compounds

Triterpenoid compounds, a diverse family of naturally occurring pentacyclic and tetracyclic lipids, have emerged as versatile agents in modulating inflammatory processes. Found predominantly in plant resins, bark and leaves, these molecules—including α- and β-amyrin, oleanolic acid and ursolic acid—display a broad spectrum of action against chronic and acute inflammation. At the cellular level, triterpenoids exert their effects by down-regulating proinflammatory cytokines (such as tumour necrosis factor-α and interleukin-6), inhibiting key enzymes (cyclooxygenase-2 and inducible nitric oxide synthase) and suppressing transcription factors (notably nuclear factor κB). Additionally, they interfere with mitogen-activated protein kinase pathways to limit cellular recruitment and oxidative damage in inflamed tissues. Preclinical studies have demonstrated efficacy in models of arthritis, dermatitis and neuroinflammation, and suggest that triterpenoid scaffolds may serve as leads for the development of safer alternatives to non-steroidal anti-inflammatory drugs and steroids.

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Anti-Inflammatory Properties of Triterpenoid Compounds publication trend

The graph below shows the total number of articles in anti-inflammatory properties of triterpenoid compounds across all publications each year (not limited to Nature Index journals).

Technical terms

Triterpenoid: A class of natural compounds built from six isoprene units, often with pentacyclic frameworks.

NF-κB: A transcription factor central to the induction of genes involved in inflammation and immune responses.

COX-2: An inducible enzyme that catalyses prostaglandin synthesis, contributing to pain and swelling.

iNOS: An enzyme that produces large amounts of nitric oxide in response to inflammatory stimuli.

MAPK: A signalling cascade that relays extracellular stress signals to regulate gene expression in inflammation.

References

1. Anti-Inflammatory Activities of Yataprasen Thai Traditional Formulary and Its Active Compounds, Beta-Amyrin and Stigmasterol, in RAW264.7 and THP-1 Cells. Pharmaceuticals (2024).
2. Antinociceptive and anti-inflammatory activities of a triterpene-rich fraction from Himatanthus drasticus. Brazilian Journal of Medical and Biological Research (2019).
3. Anti‐Inflammatory Activity of Triterpenes Isolated from Protium paniculatum Oil‐Resins. Evidence-based Complementary and Alternative Medicine (2015).