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. 2019 Feb 1:199:265-272.
doi: 10.1016/j.physbeh.2018.11.034. Epub 2018 Nov 27.

Dimethyloxalylglycine preconditioning enhances protective effects of bone marrow-derived mesenchymal stem cells in Aβ- induced Alzheimer disease

Banafshe Esmaeilzade  1 , Tayebe Artimani  2 , Iraj Amiri  2 , Rezvan Najafi  3 , Siamak Shahidi  4 , Marie Sabec  5 , Parviz Farzadinia  1 , Mohammadali Zare  1 , Maria Zahiri  1 , Sara Soleimani Asl  6
Affiliations

Dimethyloxalylglycine preconditioning enhances protective effects of bone marrow-derived mesenchymal stem cells in Aβ- induced Alzheimer disease

Banafshe Esmaeilzade et al. Physiol Behav. .

Abstract

Mesenchymal stem cell (MSC) transplantation therapy has been proposed as a promising approach for the treatment of neurodegenerative disease. Chemical and pharmacological preconditioning before transplantation could optimize the therapeutic properties of transplanted MSCs. In this study, we hypothesized that preconditioning treatment with a prolyl hydroxylase inhibitor, dimethyloxalylglycine (DMOG), will increase MSC efficacy and paracrine effects in an amyloid-β (Aβ)-injected Alzheimer rat model. MSCs were incubated in different concentrations of DMOG for 24 h. Cell viability, migration, and antioxidant capacity was assessed in DMOG-treated and non-treated MSCs before transplantation into Aβ-injected rats. In vitro analysis revealed that DMOG treatment increased cell viability, migration, and expression of CXCR4, CCR2, Nrf2, and HIF-1α in the MSCs. Our in vivo results show that DMOG preconditioning enhances a MSC-mediated rescue of learning and memory function in Aβ-injected rats. Furthermore, we found an increased level of BDNF and total antioxidant capacity in the hippocampus of Aβ-injected rats following transplantation of preconditioned relative to untreated MSCs. Our results suggest that preconditioning MSCs with DMOG before transplantation may enhance the efficacy of stem cell based therapy in neurodegenerative disease.

Keywords: Alzheimer disease; BDNF; Cell efficacy; Dimethyloxalylglycine; MSCs; Spatial memory.

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