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FEBS J. 2011 Oct;278(19):3550-68. doi: 10.1111/j.1742-4658.2011.08258.x. Epub 2011 Aug 24.

TDP-43 and FUS/TLS: cellular functions and implications for neurodegeneration.

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1
Department of Neurodegeneration, Faculty of Medicine, University of Tuebingen, Tuebingen, Germany. fabienne.fiesel@klinikum.unituebingen.de

Abstract

TDP-43 (transactive response binding protein of 43 kDa) and FUS (fused in sarcoma) comprise the neuropathological protein aggregates of distinct subtypes of the neurodegenerative diseases frontotemporal lobar degeneration and amyotrophic lateral sclerosis. Moreover, the genes encoding TDP-43 and FUS are linked to these diseases. Both TDP-43 and FUS contain RNA binding motifs, and specific targets are being identified. Potential actions of TDP-43 and FUS include transcriptional regulation, mRNA processing and micro RNA biogenesis. These activities are probably modulated by interacting proteins in cell type specific manners as well as distinctly within the nucleus and cytosol, as both proteins shuttle between these compartments. In this minireview the specific functions of TDP-43 and FUS are described and discussed in the context of how TDP-43 and FUS may contribute to the pathogenesis of frontotemporal lobar degeneration and amyotrophic lateral sclerosis.

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