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PaulA
Since: Jan, 2010
2011-02-14 18:04:10
In Cats And Dogs, the macguffin is a scientist working to eliminate dog allergies. I'm pretty sure he was testing them on himself.
justbugsme
Since: Oct, 2010

The was a scientist with a cat allergy that was testing potential cures on himself (I'm pretty sure it wasn't any of those examples) with his pet cat. I don't think that was the main plot point.