Nogo receptor functional motifs and peptide mimetics related...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/435 (2006.01) A61K 38/17 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2606479

The present invention provides novel isolated and purified polynucleotides and polypeptides related to functional motifs of the Nogo receptor 1 (NgRl) and use of peptides mimicking these functional motifs as antagonists to NgRl ligands, e.g., myelin-associated glycoprotein, oligodendrocyte myelin glycoprotein, Nogo-A, Nogo-66, an antibody to Nogo receptor, an antibody to GTIb, an antibody to p75 neurotrophin receptor, and an antibody to Lingo-1, etc. The invention also provides antibodies to the mimetic peptide antagonists. The present invention is further directed to novel therapeutics and therapeutic targets and to methods of screening and assessing test compounds for treatments requiring axonal regeneration, i.e., reversal of the effects of NgRl ligand binding to the NgRl (i.e., producing inhibition of axonal growth). The present invention also is directed to novel methods for treating disorders arising from inhibition of axonal growth mediated by the binding of NgRl ligands to the NgRl .

La présente invention concerne de nouveaux polynucléotides et polypeptides isolés et purifiés, associés à des motifs fonctionnels du récepteur 1 Nogo (NgR1), et l'utilisation de peptides simulant ces motifs fonctionnels comme antagonistes contre des ligands du récepteur NgR1, p. ex. la glycoprotéine associée à la myéline, la glycoprotéine myéline oligodendrocyte, Nogo-A, Nogo-66, un anticorps contre le récepteur Nogo, un anticorps contre GT1b, un anticorps contre le récepteur à la neurotrophine p75 et un anticorps contre Lingo-1, etc. L'invention concerne également des anticorps contre les antagonistes peptidiques mimétiques. Cette invention se rapporte en outre à de nouvelles thérapies et cibles thérapeutiques ainsi qu'à des méthodes de criblage et d'évaluation de composés d'essai pour des traitements nécessitant une régénération axonale, c.-à-d. l'inversion des effets de la liaison de ligands du NgR1 au NgR1 (c.-à-d. induisant l'inhibition de la croissance axonale). Ladite invention se rapporte également à de nouvelles méthodes de traitement de troubles liés à l'inhibition de la croissance axonale médiée par la liaison de ligands du NgR1 au NgR1.

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