Pd-l2 molecules: pd-1 ligands and uses therefor

Details Pd-l2 molecules: pd-1 ligands and uses therefor Pd-l2 molecules: pd-1 ligands and uses therefor

C - Chemistry, Metallurgy

07

K

C07K 14/00 (2006.01) G01N 33/50 (2006.01) G01N 33/573 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2413857

The invention provides isolated nucleic acid molecules, designated PD-L2 nucleic acid molecules, which encode novel B7-related molecules which are ligands for PD-1. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing PD-L2 nucleic acid molecules, host cells into which the expression vectors have been introduced, and nonhuman transgenic animals in which a PD-L2 gene has been introduced or disrupted. The invention further provides isolated PD-L2 polypeptides, fusion proteins, antigenic peptides and anti-PD-L2 antibodies. The invention still further provides methods for promoting or inhibiting the interaction between PD-L2 and PD-1. Diagnostic and treatment methods utilizing compositions of the invention are also provided.

L'invention concerne des molécules d'acide nucléique isolées, appelées molécules d'acide nucléique PD-L2, qui codent pour de nouvelles molécules liées à B7 qui sont des ligands pour PD-1. L'invention concerne également des molécules d'acide nucléique antisens, des vecteurs d'expression de recombinaison contenant des molécules d'acide nucléique PD-L2, des cellules hôtes dans lesquelles les vecteurs d'expression ont été introduits, et des animaux transgéniques non humains dans lesquels un gène PD-L2 a été introduit ou disloqué. L'invention concerne en outre des polypeptides isolés PD-L2, des protéines de fusion, des peptides antigéniques et des anticorps anti-PD-L2. L'invention concerne également des méthodes permettant de stimuler ou d'inhiber l'interaction entre PD-L2 et PD-1. L'invention concerne enfin des méthodes de diagnostic et de traitement utilisant les compositions selon l'invention.

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