Journal
JOURNAL OF IMMUNOTOXICOLOGY
Volume 13, Issue 2, Pages 255-262Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/1547691X.2015.1058306
Keywords
Berberine; cellular immunity; humoral immunity; immunotoxicity
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Funding
- Mashhad University of Medical Sciences
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The immunotoxic effects of the isoquinoline alkaloid berberine (BBR) were investigated in Balb/c mice. Here, BBR was administered daily by intraperitoneal injection at doses of 5 and 10mg/kg for 14 days. Following the exposure, host spleen weight, cellularity and histopathology, as well as delayed-type hypersensitivity (DTH) responses, hemagglutination titers (HA), spleen cell subtype profiles, splenocyte cytokine production and lymphocyte proliferation were studied in all of the test groups of animals. The results showed that the high dose of BBR (10mg/kg) could suppress both cellular and humoral immune functions in the treated hosts. BBR at 5mg/kg only appeared to impact on DTH responses and lymphoproliferation. Based on the finding here, it would seem that BBR has effective immunosuppressive properties. Mechanistic studies are required to determine exactly how this material is acting to impart many of the immunotoxic effects demonstrated here. At the same time, further research should also be performed on BBR to further develop its potential use as an effective immunosuppressant or co-adjuvant for the treatment of diseases caused by an exaggerated or unwanted immune response.
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