Prion-specific peptoid reagents

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 5/00 (2006.01) A61K 31/16 (2006.01) A61K 38/08 (2006.01) A61K 38/10 (2006.01) C07K 7/00 (2006.01)

Patent

CA 2621767

The invention relates to peptoid reagents that interact preferentially with a pathogenic form of a conformational disease protein as compared to a nonpathogenic form of the conformational disease protein where the peptoid reagent comprises an amino-terminal region, a carboxy-terminal region, and at least one peptoid region between the amino-terminal region and the carboxy- terminal region where the peptoid region comprises 3 to about 30 N-substituted glycines, and optionally one or more amino acids. The invention also relates to methods of using the peptoids in detecting and isolating prions, and in the treatment and prevention of prion-related diseases.

L'invention concerne des réactifs peptoïdes qui interagissent, de préférence, avec une forme pathogène de protéine de maladie post-transcriptionnelle par comparaison à une forme non pathogène de la protéine de maladie post-transcriptionnelle. Un réactif peptoïde comprend une région N-terminale, une région carboxy-terminale et au moins une région peptoïde située entre la région N-terminale et la région carboxy-terminal, la région peptoïde comprenant environ 3 à 30 glycines N-substituées et éventuellement un ou plusieurs acide(s) aminé(s). L'invention concerne également des méthodes permettant d'utiliser des peptoïdes pour détecter et isoler des prions, et pour traiter et prévenir des maladies associées aux prions.

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