دوره 8، شماره 6 - ( November & December 1396 )                   جلد 8 شماره 6 صفحات 453-466 | برگشت به فهرست نسخه ها


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Vishwakarma S K, Bardia A, Fathima N, Chandrakala L, Rahamathulla S, Raju N, et al . Protective Role of Hypothermia Against Heat Stress in Differentiated and Undifferentiated Human Neural Precursor Cells: A Differential Approach for the Treatment of Traumatic Brain Injury. BCN. 2017; 8 (6) :453-466
URL: http://bcn.iums.ac.ir/article-1-647-fa.html
Protective Role of Hypothermia Against Heat Stress in Differentiated and Undifferentiated Human Neural Precursor Cells: A Differential Approach for the Treatment of Traumatic Brain Injury. مجله علوم اعصاب پایه و بالینی. 1396; 8 (6) :453-466

URL: http://bcn.iums.ac.ir/article-1-647-fa.html


چکیده:  
Introduction: The present study aimed to explore protective mechanisms of hypothermia against mild cold and heat stress on highly proliferative homogeneous human Neural Precursor Cells (NPCs) derived from Subventricular Zone (SVZ) of human fetal brain. 
Methods: CD133+ve enriched undifferentiated and differentiated human NPCs were exposed to heat stress at 42°C. Then, Western-blot quantification was performed using Hsp-70 (70 kilodalton heat shock proteins) recombinant protein. Finally, changes in pluripotency and Hsp-70 expression were measured using immunofluorescence staining and RT-qPCR (Quantitative reverse transcription PCR) analysis, respectively. 
Results: Heat stress resulted in abnormal neurospheres development. The apoptosis rate was enhanced during long-term in vitro culture of neurospheres. Neurogenic differentiation reduced and showed aberrent phenotypes during heat stress. After hypothermia treatment significant improvement in neurospheres and neuronal cell morphology was observed. 
Conclusion: Mild-hypothermia treatment induces attenuated heat shock response against heat stress resulting in induced HSP-70 expression that significantly improves structure and function of both undifferentiated human NPCs and differentiated neurons.
نوع مطالعه: Original | موضوع مقاله: Cellular and molecular Neuroscience
دریافت: ۱۳۹۵/۴/۷ | پذیرش: ۱۳۹۵/۱۱/۱۹ | انتشار: ۱۳۹۶/۸/۱۰

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