PMID: 19938689Nov 27, 2009Paper

Neuropathological similarities and differences between frontotemporal lobar degeneration with ubiquitin inclusions and amyotrophic lateral sclerosis with dementia

Brain and nerve = Shinkei kenkyū no shinpo
Chun-Feng TanHitoshi Takahashi

Abstract

Findings of clinical, neuropathological and biochemical studies have supported the idea that frontotemporal lobar degeneration with ubiquitin inclusions (FTLD-U) and amyotrophic lateral sclerosis (ALS) are part of a neurological disease spectrum. This concept is now further strengthened by the recent discovery of a 43-kDa transactivating responsive sequence DNA-binding protein (TDP-43) as a key component of the underlying neuropathology of FTLD-U, ALS with dementia (ALS-D) and ALS. Here we describe the clinicopathological features of selected autopsy cases belonging to this disease spectrum, and discuss the neuropathological similarities and differences between FTLD-U and ALS-D, with special reference to the morphology, distribution and density of ubiquitin/TDP-43-positive abnormal structures, along with a review of the literature.

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