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by Keyword: Neurotoxicity


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Vilches, S., Vergara, C., Nicolás, O., Mata, A., Del Río, J. A., Gavín, R., (2016). Domain-specific activation of death-associated intracellular signalling cascades by the cellular prion protein in neuroblastoma cells Molecular Neurobiology 53, (7), 4438–4448

The biological functions of the cellular prion protein remain poorly understood. In fact, numerous studies have aimed to determine specific functions for the different protein domains. Studies of cellular prion protein (PrPC) domains through in vivo expression of molecules carrying internal deletions in a mouse Prnp null background have provided helpful data on the implication of the protein in signalling cascades in affected neurons. Nevertheless, understanding of the mechanisms underlying the neurotoxicity induced by these PrPC deleted forms is far from complete. To better define the neurotoxic or neuroprotective potential of PrPC N-terminal domains, and to overcome the heterogeneity of results due to the lack of a standardized model, we used neuroblastoma cells to analyse the effects of overexpressing PrPC deleted forms. Results indicate that PrPC N-terminal deleted forms were properly processed through the secretory pathway. However, PrP

Keywords: Cellular prion protein, Neurotoxicity, Truncated prion protein