Suppression of ADCC by immune complexes formed in vitro in Mycobacterium leprae-infected mice

C Vaishnavi1, N K Ganguly, S Kaur

  • 1Department of Experimental Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Antibody-dependent cellular cytotoxicity (ADCC) was assessed in mice infected experimentally with Mycobacterium leprae and injected simultaneously with in vitro-formed immune complexes (IC). Significant decrease in the ADCC function was observed in animals given IC at zero day (0dIC) and 3 months (3mIC) post inoculation with M. leprae, when ADCC activity was assessed at 3, 6 and 9 months period. From the data obtained we believe that ADCC is suppressed by IC formed in vitro.

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