Ciita-interacting proteins and methods of use therefor

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A01K 67/027 (2006.01) C07K 14/47 (2006.01) C07K 16/18 (2006.01) C12N 5/10 (2006.01) C12N 15/10 (2006.01) C12N 15/62 (2006.01) C12Q 1/68 (2006.01) G01N 33/50 (2006.01) G01N 33/577 (2006.01)

Patent

CA 2276250

Isolated nucleic acid molecules encoding a novel protein, CIP104, that interacts with CIITA, an MHC class II transcriptional activator, are disclosed. The invention further provides antisense nucleic acid molecules, recombinant expression vectors containing a nucleic acid molecule of the invention, host cells into which the expression vectors have been introduced and non-human transgenic animals carrying a CIP104 transgene. The invention further provides isolated CIP104 proteins and peptides, CIP104 fusion proteins and anti-CIP104 antibodies. Methods of using the CIP104 compositions of the invention are also disclosed, including methods for detecting CIP104 activity (e.g., CIP104 protein or mRNA) in a biological sample, methods of modulating CIP104 activity in a cell, and methods for identifying agents that modulate an interaction between CIP104 and CIITA.

On décrit des molécules d'acide nucléique isolées qui codent une nouvelle protéine CIP104 interagissant avec CIITA, un activateur transcriptionnel MHC de la classe II. On décrit aussi des molécules d'acide nucléique antisens, des vecteurs d'expression recombinants contenant une molécule d'acide nucléique de l'invention, des cellules hôtes dans lesquelles des vecteurs d'expression ont été introduits, et des animaux trangéniques porteurs du transgène CIP104. On décrit en outre des protéines CIP104 isolées et des peptides, des protéines hybrides CIP104 et des anticorps anti-CIP104. On décrit enfin des modes d'utilisation des compositions de CIP104 de l'invention, y compris des procédés pour détecter l'activité de CIP104 (protéines CIP104 ou ARNm) dans des prélèvements biologiques, des procédés de modulation de l'activité de CIP104 dans une cellule, et des procédés d'identification d'agents modulant une interaction entre CIP104 et CIITA.

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