Improved cognitive impairments by silencing DMP1 via enhancing the proliferation of neural progenitor cell in Alzheimer‐like mice. Issue 5 (2nd April 2022)

• Record Type: Journal Article
• Authors: Zhao, Huimin; Wei, Jie; Du, Yanan; Chen, Peipei; Liu, Xiaoquan; Liu, Haochen
• Is Part Of: Aging cell. Volume 21:Issue 5(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-04-02
• Subjects: Alzheimer's disease -- DMP1 -- neural progenitor cell -- proliferation; Cells -- Aging -- Periodicals; 571.8783605
• DOI: 10.1111/acel.13601
• Languages: English
• ISSNs: 1474-9718

Abstract

Abstract: Alzheimer's disease (AD) is age‐related progressive neurological dysfunction. Limited clinical benefits for current treatments indicate an urgent need for novel therapeutic strategies. Previous transcriptomic analysis showed that DMP1 expression level was increased in AD model animals whereas it can induce cell‐cycle arrest in several cell lines. However, whether the cell‐cycle arrest of neural progenitor cell induced by DMP1 affects cognitive function in Alzheimer‐like mice still remains unknown. The objective of our study is to explore the issue. We found that DMP1 is correlated with cognitive function based on the clinical genomic analysis of ADNI database. The negative role of DMP1 on neural progenitor cell (NPC) proliferation was revealed by silencing and overexpressing DMP1 in vitro. Furthermore, silencing DMP1 could increase the number of NPCs and improve cognitive function in Alzheimer‐like mice, through decreasing P53 and P21 levels, which suggested that DMP1‐induced cell‐cycle arrest could influence cognitive function. Abstract : Neural progenitor cells (NPC) emerged their roles in endogenous regenerating neurons for Alzheimer's disease (AD) treatments. Clinical genomics data and AD animal model experiments suggested that DMP1 was related to cognitive function and NPC proliferation. Silencing DMP1 could improve cognitive function through increase newborn NPC and neurons in AD animal model. Data demonstrated the potential role of DMP1 for AD treatment by stimulating NPC proliferation.