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An overview of miRNAs altered in Alzheimer's disease (AD) was established by profiling the hippocampus of a cohort of 41 late-onset AD (LOAD) patients and 23 controls, showing deregulation of 35 miRNAs. Profiling of miRNAs in the prefrontal cortex of a second independent cohort of 49 patients grouped by Braak stages revealed 41 deregulated miRNAs. We(More)
Signal and stop transfer sequences are discrete regions within a polypeptide chain able to initiate or terminate translocation of the protein across the membrane of the endoplasmic reticulum. We have investigated the role of these topogenic sequences in the biogenesis of polytopic transmembrane proteins. Plasmids encoding various patterns of(More)
The segregation of secretory proteins into the cisternae of the endoplasmic reticulum (ER) is normally tightly coupled to their synthesis. This feature distinguishes their biogenesis from that of proteins targeted to many other organelles. In the examples presented, translocation across the ER membrane is dissociated from translation. Transport, which is(More)
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