The E-Tech PSP301 encoding the antidote ccdAfor its part, encodes an unstable protein of approximately 90 amino acids, which neutralizes the poison protein. This ccdA gene is introduced into the vector according to the invention under the control of a constitutive promoter. Relationship between Uric Acid Levels and Progressive Supranuclear Palsy (PSP) The expression of the poison gene is under the control of a promoter which can be strongly repressed by the antidote or the poison-antidote complex. Consequently, E-Tech PSP301[…]