Objective: In this study, we evaluated the effects of human embryonic derived neural progenitor cells on neurological score, histopathological changes, and miRNA-210 as biomarkers of regeneration.
Methods: The animals were randomly divided into the four groups: Sh (sham), MCAO (middle cerebral artery occlusion), MCAO+PBS, MCAO+Cell. One day after MCAO induction, embryonic derived neural progenitor cells (hESC-NPCsGFP) or PBS were injected intracerebroventriculary in MCAO+Cell or MCAO+PBS groups. On day 1, 2, 3, and 7 after ischemia induction, the neurological score was tested in each rat. At 48h, the expression of miRNA-210 was evaluated and 7 days after, the pathological assessments were performed by H&E staining.
Results: Neurological score showed the promotion of functional recovery in MCAO+Cell group. Based on H&E staining, the percentage of neural death in ischemic region reduced in MCAO+Cell group. The miRNA-210 significantly upregulated in both brain and blood samples.
Conclusion: According to the findings, hESC-NPCsGFP injection could up-regulate the miRNA-210 of tissue and blood to support the neuroprotective and regenerative effect of hESC-NPCsGFP in the ischemic lesion and improved the neurological score and reduce the neural death in ischemic region.
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