Fusion proteins

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 19/00 (2006.01) A61K 38/17 (2006.01) A61K 47/48 (2006.01) C07K 14/47 (2006.01)

Patent

CA 2367636

The Rho family GTPases regulates axon growth and regeneration. Inactivation of Rho with C3, a toxin from Clostridium botulinum, can stimulate regeneration and sprouting of injured axons. The present invention provides novel chimeric C3-like Rho antagonists. These new antagonists are a significant improvement over C3 compounds because they are 3- 4 orders of magnitude more potent to stimulate axon growth on inhibitory substrates than recombinant C3. The invention further provides evidence that these compounds promote repair when applied to the injured mammalian central nervous system.

La famille des GTPases Rho régule la croissance et la régénération des axones. L'inactivation de Rho par C3, une toxine de Clostridium botulinum, peut stimuler la régénération et le bourgeonnement des axones. La présente invention porte sur de nouveaux antagonistes de Rho chimères apparentés à C3. Comparativement aux composés à base de C3, ces nouveaux antagonistes constituent une grande amélioration car ils stimulent 3 à 4 fois plus la croissance des axones en inhibant des substrats par rapport au C3 recombinant. L'invention fournit la preuve que ces composés stimulent la réparation lorsqu'ils sont appliqués sur une lésion du système nerveux central d'un mammifère.

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