Botox jab could ease arthritis and cancer without side effects

Sheffield University researcher Professor Bazbek Davletov took the pain-relieving part of Botox and ‘stapled’ it to a friendly part of a similar poison produced by the tetanus bug. The tetanus toxin ferries the pain reliever to the spinal cord, where it stops pain signals being sent to the brain. Professor Davletov designed the drug while working at the MRC Laboratory of Molecular Biology in Cambridge. More…