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Co-localization of Bunina bodies and TDP-43 inclusions in lower motor neurons in amyotrophic lateral sclerosis. 2014

Fumiaki Mori, and Akiyoshi Kakita, and Hitoshi Takahashi, and Koichi Wakabayashi
Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.

Amyotrophic lateral sclerosis (ALS) is characterized by motor neuron involvement with Bunina bodies (BBs) and transactivation response DNA protein 43 (TDP-43) inclusions. We examined the spinal cord (n = 20), hypoglossal nucleus (n = 6) and facial nucleus (n = 5) from ALS patients to elucidate the relationship between BBs and TDP-43 inclusions. BBs were found in the anterior horn in 16 of 20 cases, in the hypoglossal nucleus in all six cases and in the facial nucleus in four out of five cases. TDP-43 inclusions were found in each region of all the cases. Co-localization of BBs and TDP-43 inclusions was found in 15.2% of total neurons in the anterior horn, 29.2% in the hypoglossal nucleus and 17.3% in the facial nucleus. The frequency of TDP-43 inclusions was significantly higher in neurons with BBs than in those without in each region. Ultrastructurally, TDP-43-positive filamentous structures were intermingled with BBs. These findings suggest that there is a close relationship in the occurrence between BBs and TDP-43 inclusions.

UI MeSH Term Description Entries
D008297 Male Males
D008526 Medulla Oblongata The lower portion of the BRAIN STEM. It is inferior to the PONS and anterior to the CEREBELLUM. Medulla oblongata serves as a relay station between the brain and the spinal cord, and contains centers for regulating respiratory, vasomotor, cardiac, and reflex activities. Accessory Cuneate Nucleus,Ambiguous Nucleus,Arcuate Nucleus of the Medulla,Arcuate Nucleus-1,External Cuneate Nucleus,Lateral Cuneate Nucleus,Nucleus Ambiguus,Ambiguus, Nucleus,Arcuate Nucleus 1,Arcuate Nucleus-1s,Cuneate Nucleus, Accessory,Cuneate Nucleus, External,Cuneate Nucleus, Lateral,Medulla Oblongatas,Nucleus, Accessory Cuneate,Nucleus, Ambiguous,Nucleus, External Cuneate,Nucleus, Lateral Cuneate
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009046 Motor Neurons Neurons which activate MUSCLE CELLS. Neurons, Motor,Alpha Motorneurons,Motoneurons,Motor Neurons, Alpha,Neurons, Alpha Motor,Alpha Motor Neuron,Alpha Motor Neurons,Alpha Motorneuron,Motoneuron,Motor Neuron,Motor Neuron, Alpha,Motorneuron, Alpha,Motorneurons, Alpha,Neuron, Alpha Motor,Neuron, Motor
D001933 Brain Stem The part of the brain that connects the CEREBRAL HEMISPHERES with the SPINAL CORD. It consists of the MESENCEPHALON; PONS; and MEDULLA OBLONGATA. Brainstem,Truncus Cerebri,Brain Stems,Brainstems,Cerebri, Truncus,Cerebrus, Truncus,Truncus Cerebrus
D002479 Inclusion Bodies A generic term for any circumscribed mass of foreign (e.g., lead or viruses) or metabolically inactive materials (e.g., ceroid or MALLORY BODIES), within the cytoplasm or nucleus of a cell. Inclusion bodies are in cells infected with certain filtrable viruses, observed especially in nerve, epithelial, or endothelial cells. (Stedman, 25th ed) Cellular Inclusions,Cytoplasmic Inclusions,Bodies, Inclusion,Body, Inclusion,Cellular Inclusion,Cytoplasmic Inclusion,Inclusion Body,Inclusion, Cellular,Inclusion, Cytoplasmic,Inclusions, Cellular,Inclusions, Cytoplasmic
D004268 DNA-Binding Proteins Proteins which bind to DNA. The family includes proteins which bind to both double- and single-stranded DNA and also includes specific DNA binding proteins in serum which can be used as markers for malignant diseases. DNA Helix Destabilizing Proteins,DNA-Binding Protein,Single-Stranded DNA Binding Proteins,DNA Binding Protein,DNA Single-Stranded Binding Protein,SS DNA BP,Single-Stranded DNA-Binding Protein,Binding Protein, DNA,DNA Binding Proteins,DNA Single Stranded Binding Protein,DNA-Binding Protein, Single-Stranded,Protein, DNA-Binding,Single Stranded DNA Binding Protein,Single Stranded DNA Binding Proteins
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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