| 摘要 |
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.
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