Article Publish Status: FREE
Abstract Title:

Mesenchymal stem cell-derived exosomes promote neurogenesis and cognitive function recovery in a mouse model of Alzheimer's disease.

Abstract Source:

Neural Regen Res. 2019 Sep ;14(9):1626-1634. PMID: 31089063

Abstract Author(s):

Edwin E Reza-Zaldivar, Mercedes A Hernández-Sapiéns, Yanet K Gutiérrez-Mercado, Sergio Sandoval-Ávila, Ulises Gomez-Pinedo, Ana L Márquez-Aguirre, Estefanía Vázquez-Méndez, Eduardo Padilla-Camberos, Alejandro A Canales-Aguirre

Article Affiliation:

Edwin E Reza-Zaldivar


Studies have shown that mesenchymal stem cell-derived exosomes can enhance neural plasticity and improve cognitive impairment. The purpose of this study was to investigate the effects of mesenchymal stem cell-derived exosomes on neurogenesis and cognitive capacity in a mouse model of Alzheimer's disease. Alzheimer's disease mouse models were established by injection of beta amyloid 1-42 aggregates into dentate gyrus bilaterally. Morris water maze and novel object recognition tests were performed to evaluate mouse cognitive deficits at 14 and 28 days after administration. Afterwards, neurogenesis in the subventricular zone was determined by immunofluorescence using doublecortin and PSA-NCAM antibodies. Results showed that mesenchymal stem cells-derived exosomes stimulated neurogenesis in the subventricular zone and alleviated beta amyloid 1-42-induced cognitive impairment, and these effects are similar to those shown in the mesenchymal stem cells. These findings provide evidence to validate the possibility of developing cell-free therapeutic strategies for Alzheimer's disease. All procedures and experiments were approved by Institutional Animal Care and Use Committee (CICUAL) (approval No. CICUAL 2016-011) on April 25, 2016.

Study Type : Animal Study

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