• Madhusmita Bal

      Articles written in Journal of Biosciences

    • Antigenicity of filarial superoxide dismutase in human bancroftian filariasis

      Madhusmita Bal Manoj K Das

      More Details Abstract Fulltext PDF

      Superoxide dismutase activity was measured in different stages of growth of filarial parasites (human and cattle). The activity was almost undetected or very low in microfilarial stage but in adult worms, the enzyme activity was high. The enzyme was characterized to be a Cu/Zn superoxide dismutase. Most of the enzyme activity was associated with a detergent extractable fraction of adult (Setaria) parasite. The enzyme was also detected in thein vitro released products of adult worms. The superoxide dismutase activity was completely inhibited with IgG antibody from chronic filarial patients in contrast to IgG from normal people. Filarial patients particularly have high IgG and IgM antibody levels to purified enzyme. However, individuals from non-filarial regions of Orissa are sero-negative for superoxide dismutase antibodies. Antibody response to superoxide dismutase could thus be used for filarial diagnosis.

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