Prevention and treatment of experimental autoimmune myasthenia gravis with anti-rabbit thymocyte serum and gammaglobulin in rabbits |
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Authors: | S Scelsa M Frost R Valderrama S Revan P Pipia M DiPaola |
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Affiliation: | Department of Neurology, SUNY-Health Science Center at Brooklyn, USA. |
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Abstract: | Twenty-two rabbits received Torpedo californica acetylcholine receptor (AChR) subcutaneously. Six rabbits were treated with 0.5 ml/kg/day of anti-rabbit thymocyte serum (ARTS), and four were treated with 5.0 mg/kg/day of anti-rabbit thymocyte gammaglobulin (ARTG) subcutaneously beginning concomitantly 1, 2 and 3 weeks after the initial AChR immunization. All 12 control animals died of experimental autoimmune myasthenia gravis (EAMG) within 52 days. None of the 10 treated rabbits developed clinical EAMG. ARTS- and ARTG-treated animals had significantly lower anti-AChR antibody titers than control animals at 3 weeks (pre-AChR booster, p < 0.01). At 6 weeks (post-AChR booster), only ARTS-treated animals had significantly lower titers than controls (p < 0.01). ARTS-treated animals developed sterile abscesses at injection sites, which were minimal in the ARTG-treated group. ARTS and ARTG prevent EAMG. |
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