Article
Thymus Medulla Formation and Central Tolerance Are Restored in IKKα−/− Mice That Express an IKKα Transgene in Keratin 5+ Thymic Epithelial Cells
1 Jan 2007
Abstract excerpt
Medullary thymic epithelial cells (mTECs) play an essential role in establishing central tolerance due to their unique capacity to present a diverse array of tissue restricted Ags that induce clonal deletion of self-reactive thymocytes. One mTEC subset expresses keratin 5 (K5) and K14, but fails to bind Ulex europaeus agglutinin-1 (UEA-1) lectin. A distinct mTEC subset binds UEA-1 and expresses K8, but not K5 or...
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