Compositions comprising antibodies to lingo or fragments...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/28 (2006.01) A61K 39/395 (2006.01) C07K 16/18 (2006.01) C07K 16/46 (2006.01) C12N 15/13 (2006.01)

Patent

CA 2729961

Endogenous LINGO-I is a negative regulator for neuronal survival, axon regeneration, oligodendrocyte differentiation and myelination. Molecules that block endogenous LINGO-I function, such anti- LINGO-1 antibodies can be used as therapeutics for the treatment of neuron and oligodendrocyte dysfunction. The present invention provides antibodies specific for LINGO-I, and methods of using such antibodies as antagonists of endogenous LINGO-I function. The invention further provides specific hybridoma and phage library-derived monoclonal antibodies, nucleic acids encoding these antibodies, and vectors and host cells comprising these antibodies. The invention further provides methods of promoting oligodendrocyte survival and myelination in a vertebrate, comprising administering to a vertebrate in need of such treatment an effective amount of an anti-LINGO-1 antibody.

La molécule endogène LINGO-I est un régulateur négatif de la survie neuronale, de la régénérescence axonale, de la différentiation des oligodendrocytes et de la myélinisation. Les molécules qui bloquent le fonctionnement de la LINGO-I endogène, comme les anticorps anti-LINGO-1, peuvent être utilisées comme agents thérapeutiques pour le traitement du dysfonctionnement des neurones et des oligodendrocytes. La présente invention concerne des anticorps spécifiques de LINGO-I, et des procédés dutilisation de tels anticorps comme antagonistes du fonctionnement de LINGO-I endogène. Linvention concerne en outre des anticorps monoclonaux dérivés de banques dhybridomes et de phages, des acides nucléiques codant pour ces anticorps, et des vecteurs et des cellules hôtes comprenant ces anticorps. Linvention concerne en outre des procédés permettant de favoriser la survie des oligodendrocytes et la myélinisation chez un vertébré, consistant à administrer à un vertébré ayant besoin dun tel traitement une quantité efficace dun anticorps anti-LINGO-1.

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