C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
530/15.04
C07K 14/235 (2006.01) A61K 39/10 (2006.01)
Patent
CA 2004206
Disclosed is a method for preparing pertussis toxin toxoid by a treatment of pertussis toxin with formaldehyde, which comprises carrying out said treatment in the presence of lysine or glycine in combination with N-acetyltryptophan. The resultant toxoid does not exhibit toxicity reversion, thereby making the toxoid highly suitable for use in pertussis vaccines.
Aihara Katsutoshi
Ginnaga Akihiro
Morokuma Kazunori
Sakoh Mitsuo
Juridical Foundation The Chemo-Sero-Therapeutic Research Institu
Kirby Eades Gale Baker
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