Thiolated polypeptide compound derived from a tetanus toxin fragment, the process for obtaining and its application

摘要

The present invention relates to a new thiolated polypeptide compound derived from a fragment of tetanus toxin. This thiolated polypeptide compound is constituted by the B-IIb fragment of tetanus toxin to which at least one -SH group is directly or indirectly bound. Application: neuropharmacological retrograde axonal transport agent for transporting a medicine to the central nervous system.