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Botulinum neurotoxins induce a prolonged muscle paralysis by specifically blocking the release of neuronal transmitters from peripheral nerve junctions. Potency testing of toxin and antitoxin therapies is entirely dependent on mouse lethality bioassay which is associated with extreme suffering of large numbers of animals to ensure high precision. The mouse phrenic nerve-diaphragm assay is an ex vivo...
Botulinum neurotoxins induce a prolonged muscle paralysis by specifically blocking the release of neuronal transmitters from peripheral nerve junctions. The current method for assessing the potency of botulinum toxin and antitoxins is the mouse LD 50 assay. The mouse phrenic nerve–diaphragm assay is an in vitro assay that closely mimics in vivo respiratory paralysis. In this study, we have...
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