Neurochemical Research

, Volume 43, Issue 12, pp 2304–2312 | Cite as

Diallyl Trisulfide Protects Motor Neurons from the Neurotoxic Protein TDP-43 via Activating Lysosomal Degradation and the Antioxidant Response

  • Chang Liu
  • Bingquan Leng
  • Yi Li
  • Hong Jiang
  • Weisong Duan
  • Yansu Guo
  • Chunyan Li
  • Kun HongEmail author
Original Paper


Amyotrophic lateral sclerosis (ALS) is a rapidly progressive motor neuron disease for which only limited effective therapeutics are available. Currently, TAR DNA-binding protein 43 (TDP-43) is recognized as a pathological and biochemical marker for ALS. Increases in the levels of aggregated or mislocalized forms of TDP-43 might result in ALS pathology. Therefore, clearance pathways for intracellular protein aggregates have been suggested as potential therapeutic targets for the treatment of ALS. Here we report that treatment of motor neuron-like NSC34 cells overexpressing TDP-43 with diallyl trisulfide (DATS) induced neuronal autophagy and lysosomal clearance of TDP-43 and C-terminal TDP-43 fragments. We also observed that the antioxidant transcription factor NF-E2-related factor 2 (Nrf2) was accumulated in the nucleus and the expression of the antioxidant enzymes heme oxygenase1 (HO-1) and NAD(P)H:quinone oxidoreductase (NQO1) was increased. Consequently, DATS suppressed the increase in the levels of reactive oxygen species induced by TDP-43 expression. This study extends the findings of prior reports indicating that lower doses of DATS mediate cell survival in part by inducing autophagy and activating the Nrf2/antioxidant response element pathway.


TDP-43 Amyotrophic lateral sclerosis Autophagy Reactive oxygen species Protein aggregation 



We thank Dr. Rugao Liu at University of Louisville, USA for the kind gift of the NSC-34 cell line. We thank Dr. Jemeen Sreedharan and Dr. Christopher E. Shaw for kind gifts of the two mutants plamids, Dr. Guanghui Wang for EGFP-TDP-25 plasmid and Dr. Leonard Petrucelli GFP-TDP-35 plasmid. We thank Yushan Zhu for his technical support. This study was supported in part by grants from the National Natural Science Foundation of China (Nos. 30900460 and 81171210) and by the Hebei Science and Technology Department (No. 11966122D). We also would like to thank Editage [] for English language editing.

Compliance with Ethical Standards

Conflict of interest

The authors declare no conflict of interest.

Supplementary material

11064_2018_2651_MOESM1_ESM.jpg (192 kb)
Supplementary material 1 (JPG 191 KB)


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of NeurologySecond Hospital of Hebei Medical UniversityShijiazhuangChina
  2. 2.Institute of Cardiocerebrovascular DiseaseShijiazhuangChina
  3. 3.Neurological Laboratory of Hebei ProvinceShijiazhuangChina
  4. 4.Department of NeurologyRizhao Central HospitalRizhaoChina

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