I don't know if I've connected the dots properly, but here it goes:
In 2001, UC Irvine researchers found that ShK, a sea anemone venom halted and reversed EAE.
http://www.ucihealth.com/News/Releases/ ... one_ms.htm
ShK appears to work by blocking a specific voltage-gated potassium channel, Kv1.3. ShK is the most potent known inhibitor of Kv1.3.
The problem is that ShK doesn't last long enough in blood to effectively treat MS. So ...