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Protection against tetrodotoxin and saxitoxin intoxication by a cross-protective rabbit anti-tetrodotoxin antiserum
B Kaufman1, D C Wright, W R Ballou
1UNIVAX Corporation, Rockville, MD 20852.
A tetrodotoxin-formaldehyde-keyhole limpet hemocyanin conjugate was used to immunize a rabbit for the production of anti-toxin antiserum. The antiserum cross-reacted against both tetrodotoxin (TTX) and saxitoxin (STX), and in a quantitative in vitro assay was able to protect cells in a dose-dependent manner from the effects of either TTX or STX. The antiserum was also able to passively protect mice challenged in vivo with either toxin. Hybridomas producing monoclonal antibodies against toxin were obtained from the spleens of mice immunized with the same conjugate.
A tetrodotoxin-formaldehyde-keyhole limpet hemocyanin conjugate was used to immunize a rabbit for the production of anti-toxin antiserum. The antiserum cross-reacted against both tetrodotoxin (TTX) and saxitoxin (STX), and in a quantitative in vitro assay was able to protect cells in a dose-dependent manner from the effects of either TTX or STX. The antiserum was also able to passively protect mice challenged in vivo with either toxin. Hybridomas producing monoclonal antibodies against toxin were obtained from the spleens of mice immunized with the same conjugate.
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