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TRK-fused Gene Protein Localization Is Prominent in Serotonergic and Noradrenergic Cell Groups, and Some Lower Motor Neurons in the Corticospinal Tract of the Rat Brainstem.


ABSTRACT: The TRK-fused gene (TFG) is reported to be involved in the regulation of cell size, apoptosis, cell growth, ER-Golgi protein secretion, NF-?? pathway signaling, the ubiquitin-proteasome system, and pancreatic ?-cell mass and function. TFG mutations were reported in some neurodegenerative diseases affecting sensory and motor functions. However, the function of TFG in the nervous system and how TFG mutations lead to neurodegeneration remain unclear. In this study, we employed double immunohistochemistry to investigate the details of TFG localization patterns in monoaminergic and cholinergic neurons in the brainstem. Intense TFG immunoreactivity was observed in the dorsal raphe nucleus, the locus coeruleus, and the ventral horn of the spinal cord. TFG immunoreactivity was observed in some serotonergic neurons in all B1-B9 cell groups, and some noradrenergic neurons in all A1-A7 cell groups in the rat brainstem, while no immunoreactivity was observed in the dopaminergic neurons in A8-A10 cell groups. TFG immunoreactivity was observed in all ChAT-positive motor nuclei in the lower corticospinal tract of the rat brainstem.

SUBMITTER: Takeuchi S 

PROVIDER: S-EPMC6066645 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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TRK-fused Gene Protein Localization Is Prominent in Serotonergic and Noradrenergic Cell Groups, and Some Lower Motor Neurons in the Corticospinal Tract of the Rat Brainstem.

Takeuchi Shigeko S   Tooyama Ikuo I  

Acta histochemica et cytochemica 20180523 3


The TRK-fused gene (<i>TFG</i>) is reported to be involved in the regulation of cell size, apoptosis, cell growth, ER-Golgi protein secretion, NF-κβ pathway signaling, the ubiquitin-proteasome system, and pancreatic β-cell mass and function. <i>TFG</i> mutations were reported in some neurodegenerative diseases affecting sensory and motor functions. However, the function of <i>TFG</i> in the nervous system and how <i>TFG</i> mutations lead to neurodegeneration remain unclear. In this study, we em  ...[more]

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