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The pathological roles of NDRG2 in Alzheimer's disease, a study using animal models and APPwt-overexpressed cells.


ABSTRACT:

Aims

To investigate the roles of N-myc downstream-regulated gene 2 (NDRG2) in the pathology of aging and neurodegenerative disease such as Alzheimer's disease (AD).

Results

In this study, we confirmed the upregulation of NDRG2 in the brains of aging and AD animal models. To explore the role of NDRG2 in the pathology of AD at molecular level, we conducted a cell-based assay of highly expressed wild-type human APP695 SK-N-SH cells (SK-N-SH APPwt). By silencing and overexpressing gene of NDRG2, we demonstrated that NDRG2-mediated increase in A?1-42 was through the pathways of BACE1 and GGA3. NGRG2 improved tau phosphorylation via enhanced activity of CDK5 and decreased Pin1, but it was not affected by GSK3? pathway. NDRG2 might also induce cell apoptosis through the extrinsic (caspase 8) apoptotic pathway by interaction with STAT3.

Conclusion

Our study confirmed the upregulation of NDRG2 in AD animal models and demonstrated its important roles in AD pathology. NDRG2 might be a potential target for studying and treatment of AD.

SUBMITTER: Rong XF 

PROVIDER: S-EPMC6492714 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Publications

The pathological roles of NDRG2 in Alzheimer's disease, a study using animal models and APPwt-overexpressed cells.

Rong Xian-Fang XF   Sun Ying-Ni YN   Liu Dong-Mei DM   Yin Hua-Jing HJ   Peng Ying Y   Xu Shao-Feng SF   Wang Ling L   Wang Xiao-Liang XL  

CNS neuroscience & therapeutics 20170702 8


<h4>Aims</h4>To investigate the roles of N-myc downstream-regulated gene 2 (NDRG2) in the pathology of aging and neurodegenerative disease such as Alzheimer's disease (AD).<h4>Results</h4>In this study, we confirmed the upregulation of NDRG2 in the brains of aging and AD animal models. To explore the role of NDRG2 in the pathology of AD at molecular level, we conducted a cell-based assay of highly expressed wild-type human APP695 SK-N-SH cells (SK-N-SH APPwt). By silencing and overexpressing gen  ...[more]

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