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Updated: Jun 13, 2026

A Quantitative Cell Migration Assay for Murine Enteric Neural Progenitors
Published on: September 18, 2013
Upregulation of CXCR4 favoring neural-like cells migration via AKT activation
Shiyong Li1, Liying Deng, Limin Gong
1Key Laboratory of Molecular Medicine, Second Affiliated Hospital of Nanchang University, Nanchang City, China.
Abstract:
Stromal cell-derived factor-1alpha (SDF-1alpha) and its chemokine receptor 4 (CXCR4) play an important role in regulating bone marrow stromal stem cells (BMSCs) migration, proliferation and differentiation. The aim of this study is to investigate the expression of CXCR4 receptor and related mechanisms involved in neural-like cells migration. Results demonstrated that BMSCs were successfully induced to differentiate into neural-like cells, as early as 6h after the initiation of neural differentiation, as revealed by both RT-PCR and immunocytochemistry. Interestingly, neuronal induction media (NIM) increased CXCR4 expression via Akt activation, which resulted in the increased ability of migration toward SDF-1alpha in neural-like cells. Furthermore, we showed that migration toward SDF-1 was attenuated by AMD3100 (specific inhibitor of CXCR4) and Phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002. These data suggest that the PI3K/Akt signaling pathway activated by NIM enhances migration of neural-like cells toward SDF-1alpha though upregulation of CXCR4. This finding presents opportunities to develop new therapeutic strategies for the treatment of CNS disorders.
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