Article
The scaffold protein IB1/JIP-1 is a critical mediator of cytokine-induced apoptosis in pancreatic beta cells.
Journal of cell science - 15 Apr 2003
Haefliger Jacques-Antoine, Tawadros Thomas, Meylan Laure, Gurun Sabine Le, Roehrich Marc-Estienne, Martin David, Thorens Bernard, Waeber Gérard
Abstract excerpt
In insulin-secreting cells, cytokines activate the c-Jun N-terminal kinase (JNK), which contributes to a cell signaling towards apoptosis. The JNK activation requires the presence of the murine scaffold protein JNK-interacting protein 1 (JIP-1) or human Islet-brain 1(IB1), which organizes MLK3, MKK7 and JNK for proper signaling specificity. Here, we used adenovirus-mediated gene transfer to modulate IB1/JIP-1...
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