MicroRNA-132 and early growth response-1 in nucleus basalis of Meynert during the course of Alzheimer's disease

Brain : a Journal of Neurology
Qiong-Bin ZhuD F Swaab

Abstract

The cholinergic nucleus basalis of Meynert, which is important for memory functions, shows neuronal activation ('up-phase') during the early stages of Alzheimer's disease and neurodegeneration ('down-phase') in later stages of Alzheimer's disease. MicroRNA-132 (miR-132) and the transcription factor early growth response-1 (EGR1) were proposed as possible candidate molecules regulating such an up-down activity pattern of the nucleus basalis of Meynert during the course of Alzheimer's disease, as they both show this up-down pattern of expression in the prefrontal cortex during the course of Alzheimer's disease. Not only do these two molecules stimulate synaptic activity and plasticity, they are also involved in Alzheimer's disease pathology and might, in addition, affect cholinergic function. In the nucleus basalis of Meynert, we investigated the expression of miR-132 and EGR1 along the entire course of Alzheimer's disease. Forty-nine post-mortem nucleus basalis of Meynert samples were studied, ranging from non-demented controls (Braak stage = 0) to late Alzheimer's disease patients (Braak stage = VI), and from clinical Reisberg scale 1 to 7. Each Braak stage contained seven samples, that were all well matched for confounding fac...Continue Reading

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Citations

Sep 25, 2017·Reviews in the Neurosciences·Reihaneh DehghaniNima Rezaei
Feb 6, 2017·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Evgenia Salta, Bart De Strooper
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