Pharmacological Applications of Traditional Japanese Herbal Medicine

Traditional Japanese herbal medicine, known as Kampo, represents a carefully refined system of multicomponent formulations derived from indigenous and imported plant materials. Deeply rooted in centuries-old empirical practice, Kampo has been integrated into modern healthcare for its diverse pharmacological activities. Active constituents—particularly indole and oxindole alkaloids, phenolic compounds and triterpenes—exert neuroprotective, cardiovascular, anti-inflammatory and immunomodulatory effects. Mechanistic studies reveal modulation of neurotransmitter systems, regulation of endothelial nitric oxide synthase signalling, inhibition of pro-inflammatory cytokines and attenuation of oxidative stress. Such multifaceted actions underpin clinical applications in the management of dementia-related behavioural symptoms, hypertension, endothelial dysfunction, neuropathic pain and coagulopathy. Contemporary research focuses on elucidating molecular targets, optimising pharmacokinetic profiles and standardising extract composition to support safety, efficacy and quality control. The global significance of Kampo is underscored by its potential to inform novel drug discovery and to complement conventional therapies with well-characterised herbal interventions.

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Pharmacological Applications of Traditional Japanese Herbal Medicine publication trend

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Technical terms

Kampo medicine: A Japanese system of herbal therapy combining multiple botanicals in standardised formulations for integrated treatment of disease.

Indole alkaloids: Nitrogen-containing secondary metabolites containing an indole core, often exhibiting neuroactive, cardiovascular or anticancer properties.

Pharmacokinetics: The study of how a drug is absorbed, distributed, metabolised and eliminated by the body, informing dose regimens and safety.

Network pharmacology: A systems-level analytical approach that examines interactions among multiple drug compounds, molecular targets and biological pathways.

Blood-brain barrier: A selective physiological barrier formed by endothelial cells that regulates passage of substances from the bloodstream into the central nervous system.

References

1. Uncarialines A-E, new alkaloids from Uncaria rhynchophylla and their anticoagulant activity. Natural Products and Bioprospecting (2023).
2. Properties, Pharmacology, and Pharmacokinetics of Active Indole and Oxindole Alkaloids in Uncaria Hook. Frontiers in Pharmacology (2021).
3. A Network-Based Approach to Explore the Mechanisms of Uncaria Alkaloids in Treating Hypertension and Alleviating Alzheimer’s Disease. International Journal of Molecular Sciences (2020).