Establishment of a novel model to assess the function of proteins under in vivo conditions

We established a novel model to assess the function of proteins under in vivo conditions. The model relies on the expansion of HEK293 cells in immunodeficient NOD.Scid mice. To validate the novel model, we performed microarray gene expression profiling of NOD.Scid-expanded HEK293 cells relative to conventionally cultivated cells. Microarray analysis revealed that cell expansion in NOD.Scid mice restored an imbalanced chaperone system without inducing a major upregulation of the entire protein folding machinery.

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Abd Alla J, Pohl A, Reeck K, Streichert T, Quitterer U