PMID: 30814074Mar 1, 2019Paper

The Effect of Triggering Receptor Expressed by Myeloid Cells 2 Modified Bone Marrow Mesenchymal Stem Cells on Alzheimer's Disease-Mouse Model

Annals of Clinical and Laboratory Science
Yun YangKunnan Zhang

Abstract

This study aims to explore the effect of TREM2 modified BMSCs on hippocampus of AD mice. Mouse bone marrow mesenchymal stem cells were isolated and identified. APP/PS1 double transgenic mice were confirmed to be AD model and divided into 4 groups: control group, MSCs group, MSCs+vector group and MSCs+pEGFP-TREM2 group. The incubation period and the number of errors in the MSCs+pEGFP-TREM2 group were significantly decreased than that of control group after 3 days. The quantity and area of Aβ deposition in MSCs+pEGFP-TREM2 group were significantly smaller than that of control group. Aβ40 and Aβ42 levels were significantly decreased most in MSCs+pEGFP-TREM2 group. The expression levels of TREM2 and DAP12 significantly increased in the MSCs+pEGFP-TREM2 group. TREM2 modified bone marrow MSCs affected the ability of learning and memory of AD model mice and this mechanism may be related to the expression of TREM2 and DAP12 genes.

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