Transcriptomopathies of pre- and post-symptomatic frontotemporal dementia-like mice with TDP-43 depletion in forebrain neurons

Lien Szu Wu, Wei Cheng Cheng, Chia Ying Chen, Ming Che Wu, Yi Chi Wang, Yu Hsiang Tseng, Trees Juen Chuang, C. K.James Shen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

TAR DNA-binding protein (TDP-43) is a ubiquitously expressed nuclear protein, which participates in a number of cellular processes and has been identified as the major pathological factor in amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Here we constructed a conditional TDP-43 mouse with depletion of TDP-43 in the mouse forebrain and find that the mice exhibit a whole spectrum of age-dependent frontotemporal dementia-like behaviour abnormalities including perturbation of social behaviour, development of dementia-like behaviour, changes of activities of daily living, and memory loss at a later stage of life. These variations are accompanied with inflammation, neurodegeneration, and abnormal synaptic plasticity of the mouse CA1 neurons. Importantly, analysis of the cortical RNA transcripts of the conditional knockout mice at the pre-/post-symptomatic stages and the corresponding wild type mice reveals age-dependent alterations in the expression levels and RNA processing patterns of a set of genes closely associated with inflammation, social behaviour, synaptic plasticity, and neuron survival. This study not only supports the scenario that loss-of-function of TDP-43 in mice may recapitulate key behaviour features of the FTLD diseases, but also provides a list of TDP-43 target genes/transcript isoforms useful for future therapeutic research.

Original languageEnglish
Number of pages1
JournalActa neuropathologica communications
Volume7
Issue number1
DOIs
Publication statusPublished - Mar 29 2019

Fingerprint

Frontotemporal Dementia
Prosencephalon
Neurons
Frontotemporal Lobar Degeneration
Neuronal Plasticity
Social Behavior
RNA
Therapeutic Human Experimentation
Inflammation
Memory Disorders
Amyotrophic Lateral Sclerosis
DNA-Binding Proteins
Activities of Daily Living
Nuclear Proteins
Knockout Mice
Genes
Dementia
Protein Isoforms

Keywords

  • Circular RNAs/ frontotemporal lobar degeneration/ loss-of-function/ Mis-processing/TDP-43

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Clinical Neurology
  • Cellular and Molecular Neuroscience

Cite this

Transcriptomopathies of pre- and post-symptomatic frontotemporal dementia-like mice with TDP-43 depletion in forebrain neurons. / Wu, Lien Szu; Cheng, Wei Cheng; Chen, Chia Ying; Wu, Ming Che; Wang, Yi Chi; Tseng, Yu Hsiang; Chuang, Trees Juen; Shen, C. K.James.

In: Acta neuropathologica communications, Vol. 7, No. 1, 29.03.2019.

Research output: Contribution to journalArticle

Wu, Lien Szu ; Cheng, Wei Cheng ; Chen, Chia Ying ; Wu, Ming Che ; Wang, Yi Chi ; Tseng, Yu Hsiang ; Chuang, Trees Juen ; Shen, C. K.James. / Transcriptomopathies of pre- and post-symptomatic frontotemporal dementia-like mice with TDP-43 depletion in forebrain neurons. In: Acta neuropathologica communications. 2019 ; Vol. 7, No. 1.
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