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Commun Integr Biol. 2010 Nov;3(6):499-503. doi: 10.4161/cib.3.6.13172. Epub 2010 Nov 1.

Post-transcriptional regulation of amyloid precursor protein by microRNAs and RNA binding proteins.

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INMM-CNR Istituto di Neurobiologia e Medicina Molecolare; IRCSS; Fondazione Santa Lucia.


Amyloid Precursor Protein (APP) and its proteolytic product amyloid beta (Aβ) are critical in the pathogenesis of Alzheimer's Disease (AD). APP gene duplication and transcriptional upregulation are linked to AD. In addition, normal levels of APP appear to be required for some physiological functions in the developing brain. Several studies in mammalian cell lines and primary neuron cultures indicate that RNA binding proteins and microRNAs interacting with regulatory regions of the APP mRNA modulate expression of APP post-transcriptionally. However, when the various mechanisms of APP post-transcriptional regulation are recruited and which of them are acting in a synergistic fashion to balance APP protein levels, is unclear. Recent studies suggest that further investigation of the molecules and pathways involved in APP post-transcriptional regulation are warranted.


3′UTR; APP; Alzheimer disease; RISC; RNA binding proteins; argonaute; hippocampus; microRNA; post-mitotic neurons; post-transcriptional

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