Dataset Information


Gene Expression Profile of Medullary Epithelial Cells isolated from thymus of Bone Marrow (BM) reconstituted RAG1 null (control) and SCID NOD mouse

ABSTRACT: We identified DNAPK as one of the major proteins that physically interact with Autoimmune regulator (Aire). To establish physiological significance of DNAPK in Aire-driven expression of PTA genes in MECs, we utilized BM-reconstituted SCID mice (which express non functional DNAPK in their MECs) and RAG1 null mouse as a control. MECs from these mutated/reconstituted mice were sorted by Flow cytomety and their expression profile was analyzed using Affymetrix chips. The analysis shows that Aire-dependent PTA genes are significantly underexpressed in reconstituted SCIDS vs. RAGs (Controls), suggesting the involvement of DNAPK in Aire-mediated gene expression. Keywords: gene mutation Since SCID mice lack mature thymocytes and as a result thymic stroma, we reconstituted these animals by BM transfer (IP injection into 2-4d pups) 6 hrs post-irradiation (200rad). Reconstituted thymi were analyzed 6-8w after transfer.

ORGANISM(S): Mus musculus  

SUBMITTER: Jakub Abramson   Diane Mathis  Christophe Benoist  CBDM Z. Lab 

PROVIDER: E-GEOD-24734 | ArrayExpress | 2010-10-16



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