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The evolutionary conserved protein Cdc48/VCP is involved in various cellular processes, such as protein degradation, membrane fusion and chaperone activity. Increased levels of Cdc48/VCP correlate with cancer, whereas Cdc48/VCP at endogenous levels has been proposed to be a pathological effector in protein deposition diseases. Upon mutation Cdc48/VCP triggers the multisystem disorder ‘inclusion body myopathy associated with Paget's disease of bone and frontotemporal dementia’ (IBMPFD). The roles of Cdc48/VCP under these diverse pathological conditions, especially its function in decreased and increased incidences of cell death underlying these diseases, are poorly understood. Mutation of yeast CDC48 (cdc48^S565G) results in yeast cells demonstrating morphological markers of apoptotic cell death. In other species it has been confirmed that mutations and depletion of Cdc48/VCP cause …