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[New BRM from kampo-herbal medicine]
1Department of Bioregulatory Function, Graduate School of Medicine, University of Tokyo, Japan.
Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
|March 21, 1998
Summary
Toki-shakuyakusan (TSS) enhances immune complex clearance by boosting macrophage receptor activity. This Kampo medicine
Area of Science:
- Immunology
- Pharmacology
- Traditional Chinese Medicine
Background:
- Investigated the mechanisms of Toki-shakuyakusan (TSS), a Kampo herbal medicine, on immune complex clearance and macrophage function.
- Assessed in vivo effects of TSS on immune complex clearance in MRL Mp-lpr/lpr and C3H/He mice, noting enhanced clearance without affecting carbon clearance.
Discussion:
- In vitro studies demonstrated TSS increases immune complex binding and digestion by macrophages and Kupffer cells.
- Flow cytometry revealed TSS upregulates Fc gamma II/III receptors and complement receptor 3 (CR3) on macrophages.
- Identified Angelicae Radix and Atractylodis Lanceae Rhizoma as key contributors to TSS's activity.
Key Insights:
- TSS enhances immune complex clearance primarily by augmenting macrophage Fc gamma II/III receptor and CR3 expression.
- Both high and low molecular weight components within TSS contribute to its immunomodulatory effects.
- Specific fractions, like LMW5-C, concentrate the active compounds responsible for enhanced immune complex binding.
Outlook:
- Further research into the specific low molecular weight active components could lead to novel therapeutic strategies.
- Exploring the synergistic effects of Angelicae Radix and Atractylodis Lanceae Rhizoma may optimize TSS formulations.
- Investigating the clinical efficacy of TSS in immune complex-mediated diseases warrants attention.