Journal
JOURNAL OF ETHNOPHARMACOLOGY
Volume 104, Issue 3, Pages 426-429Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2005.09.031
Keywords
bioactive fraction; haemagglutination antibody titre; delayed type hypersensitivity; Sphaeranthus indicus
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The bioactive fraction of Sphaeranthus indicus produced dose dependent increase in Immoral immunity and delayed type hypersensitivity (DTH) response as evidenced by increased antibody production and increase in paw edema. The activity at higher doses, however, declines. Humoral antibody (HA) titre lowered by cyclophosphamide (CP) (p < 0.05) was enhanced by bioactive fraction at doses of 200 (P < 0.05) and 400 mg/kg (p < 0.001). There was dose dependent increase in HA titre in normal as well as immunosuppressed animals indicating that drug is effective in humoral immunity. Animals treated with cyclophosphamide and receiving bioactive fraction showed significant change in DTH response, which directly correlates with cell-mediated immunity, as compared to cyclophosphamide alone. Thus, it can be observed that a bioactive fraction of Sphaeranthus indicus acts as potentiator of DTH. Furthermore, the HPTLC fingerprint profile of the bioactive fraction was established to facilitate its identification and characterization. The results suggest that bioactive fraction influences both Immoral and cell-mediated immunity and offers protection against immunosuppression induced by the cytotoxic agent cyclophosphamide. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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