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  • Title: Defective memory B cell formation in patients with inflammatory bowel disease following tetanus toxoid booster immunization.
    Author: Brogan MD, Shanahan F, Oliver M, Stevens RH, Targan SR.
    Journal: J Clin Lab Immunol; 1987 Oct; 24(2):69-74. PubMed ID: 3437440.
    Abstract:
    Inflammatory bowel disease patients with mild to inactive disease were studied for their ability to generate pokeweed mitogen responsive anti-tetanus toxoid IgG producing B cells in the peripheral blood 21 days following in vivo tetanus toxoid booster immunization. Compared to normals and disease controls, patients with inflammatory bowel disease had significantly impaired in vitro production of anti-tetanus toxoid antibody during an 8 day pokeweed mitogen stimulated culture period. There was poor correlation between the ratio of helper to suppressor T cells in the peripheral blood and pokeweed mitogen stimulated antibody production. Likewise, there was little correlation between in vitro antibody production and peripheral blood natural killer cell cytotoxic activity. Culture of the patients B cells with normal T cells failed to improve antibody production in vitro. These results indicate that many inflammatory bowel disease patients have an impaired humoral immune response to tetanus toxoid booster immunization. This impaired immune response may be due to an inability to generate B cell precursors of anti-tetanus toxoid IgG producing B cells rather than to abnormal circulating helper or suppressor T cell activity or natural killer cell regulatory activity.
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