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Ubiquitinated TDP-43 in Frontotemporal Lobar Degeneration and Amyotrophic Lateral Sclerosis
19 auth. M. Neumann, Deepak M. Sampathu, L. Kwong, Adam C. Truax, Matthew C. Micsenyi, T. T. Chou, J. Bruce, T. Schuck, M. Grossman, C. Clark, ... L. McCluskey, B. Miller, E. Masliah, I. Mackenzie, H. Feldman, W. Feiden, H. Kretzschmar, J. Trojanowski, V. Lee
Ubiquitin-positive, tau- and α-synuclein–negative inclusions are hallmarks of frontotemporal lobar degeneration with ubiquitin-positive inclusions and amyotrophic lateral sclerosis. Although the identity of the ubiquitinated protein specific to eith…
Ubiquitin-positive, tau- and α-synuclein–negative inclusions are hallmarks of frontotemporal lobar degeneration with ubiquitin-positive inclusions and amyotrophic lateral sclerosis. Although the identity of the ubiquitinated protein specific to either disorder was unknown, we showed that TDP-43 is the major disease protein in both disorders. Pathologic TDP-43 was hyper-phosphorylated, ubiquitinated, and cleaved to generate C-terminal fragments and was recovered only from affected central nervous system regions, including hippocampus, neocortex, and spinal cord. TDP-43 represents the common pathologic substrate linking these neurodegenerative disorders.
Published in Science
961
12 2006