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Bratislava Medical Journal Vol.121, No.2, p.164–169,2020 |
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Title: The effect of maternal sleep deprivation on differentiation of mesenchymal stem cells in the presence of neonates brain cerebrospinal fluid of Wistar rats | ||
Author: S. H. Shariat, K. Parivar, N. H. Roudbari, M. Nabiuni | ||
Abstract: OBJECTIVE: Cerebrospinal fluid (CSF) contains proliferation, differentiation and maturation signals that are essential factors for brain development. Due to presence of such factors this fluid has proliferative and differentiation potential. A previous study showed that maternal sleep deprivation (MSD) decrease the number of newborn neurons in development of hippocampus. Also, it impairs hippocampus-dependent spatial learning and memory in the young offspring rat. MSD can change CSF factors. In the present study, the effect of MSD-CSF on differentiation of mesenchymal stem cells to neural cells was examined, and expression of Nestin, Neun, and NeurD1 that are neurogenic markers was investigated. MATERIAL AND METHODS: In this study, bone marrow mesenchymal stem cells were aspirated from the femur and tibia of young male Wistar rats. Then cell suspension was cultured in DMEM medium supplemented with 10 % FBS and 1 % antibiotics. Pregnant rats were subjected to sleep deprivation for 6 h by gentle handling during 4th, 7th, and 18th day of pregnancy. CSF was collected from cisterna magna of neonate rats. CSF was added to culture media with a 5 % ratio (v/v). Then cell viability was determined with MTT assay. Total cellular RNA was extracted, cDNA was synthesized and NeuN, Nestin, NeuroD1 and IL-6 genes were analyzed by Real-time PCR. RESULTS: Real time-PCR analysis showed that expression of Neun and NeurD1gene decreased compared with culture in normal CSF (N-CSF), and also showed that expression of Nestin did not decrease, inflammatory gene (IL-6) showed high expression compared to culture with N-CSF. CONCLUSION: Based on our results, MSD-CSF could inhibit neurogenesis process in mesenchymal stem cells and also, this result suggests that MSD can suppress neural differentiation and decrease of neurogenesis gene expression. Overall these findings suggest that insomnia and sleep loss may active inflammatory responses in the brain and change CSF-markers (Fig. 3, Ref. 34). |
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Keywords: sleep deprivation, maternal sleep deprivation, CSF, stem cells, neural gene expression | ||
Published online: 23-Jan-2020 | ||
Year: 2020, Volume: 121, Issue: 2 | Page From: 164, Page To: 169 | |
doi:10.4149/BLL_2020_024 |
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