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In the theory of traditional Chinese medicine (TCM), eqi ([Symbol: see text]) circulates at the superficial portion of the body to guard against exopathogen. Gyokuheifusan (GHS; [Symbol: see text]), containing Astragalus Root, Atractylodes Rhizome, and Saposhnikovia Root, is a TCM formula to treat the insufficiency of eqi by invigorating qi and consolidating the superficial resistance. In this study, we evaluated the effect of GHS on murine antibody production against ovalbumin (OVA) used as exopathogen. Balb/c mice were sensitized with OVA and alum via intraperitoneal (i.p.) injection or intranasal (i.n.) infusion daily for 7 d. GHS was orally administered daily at the dose of 10-times amount of human daily dosage from 3 d before the sensitization for 14 d. Fourteen d after the final sensitization, the blood was collected, and the concentrations of OVA-specific or non-specific immunoglobulins were measured. When OVA was sensitized i.p., the concentration of OVA-specific IgG, IgG1, IgG2a and IgA in the sera significantly increased by GHS-treatment. When OVA was sensitized i.n., GHS significantly reduce the concentration of OVA-specific IgG and IgG1 in the sera. Non-specific immunoglobulins were not changed by GHS-treatment. It is suggested that GHS could stimulate immune responses when antigen had already been invaded into the inside of the body, and that GHS might consolidate the resistance of nasal mucosa to protect from the invasion of OVA, then OVA-specific antibodies in sera might be hypocritically suppressed. The present study might provide the experimental evidence for TCM theory.

Pharmacological Properties of Traditional Medicine (XXX): Effects of Gyokuheifusan on Murine Antigen-Specific Antibody Production