دوره 10، شماره 6 - ( 8-1398 )                   جلد 10 شماره 6 صفحات 556-545 | برگشت به فهرست نسخه ها


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Amiri S, Azadmaneshb K, Dehghan Shasaltaneh M, Khoshkholgh-Sima B, Naghdi N. Protein Kinase Cε in the Platelet and Hippocampal Tissue as a Diagnostic Biological Marker in Alzheimer Disease. BCN 2019; 10 (6) :545-556
URL: http://bcn.iums.ac.ir/article-1-1376-fa.html
Protein Kinase Cε in the Platelet and Hippocampal Tissue as a Diagnostic Biological Marker in Alzheimer Disease. مجله علوم اعصاب پایه و بالینی. 1398; 10 (6) :545-556

URL: http://bcn.iums.ac.ir/article-1-1376-fa.html


چکیده:  
Introduction: Alzheimer disease (AD) is a neurodegenerative disorder characterized by the progressive loss of memory and other cognitive functions. Protein kinase Cε (PKCε) is an isoform that most effectively suppresses amyloid beta (Aβ) production and synaptic loss.
Methods: In this study, spatial learning and memory for treated rats were evaluated by the Morris water maze test. The activity (total PKC), mRNA expression, and protein level of PKCε in the platelet and hippocampal tissue were evaluated using immunosorbent assay, real-time qPCR, and western blotting analysis, respectively. 
Results: The traveled distance was significantly prolonged, and escape latency significantly increased in Aβ-treated groups. PKC activity assay showed that there was a remarkable difference between the Aβ-treated and sham-operated groups on days 10 and 30 in the hippocampus and also day 30 in platelet after the injection of Aβ. A significant effect in PKC activity was observed between days 0 and 10, days 0 and 30, as well as days 5 and 30. Aβ significantly downregulated the PKCε mRNA expression in the hippocampus of rats on day 30; however, no significant difference was observed in platelet. Western blot analysis demonstrated that Aβ significantly reduced PKCε protein expression in the hippocampus of treated groups on day 30. 
Conclusion: The expression level of PKCε was downregulated following the injection of Aβ in the hippocampus, but no significant difference was observed between the AD and sham groups in platelet that may be due to the low concentration of PKCε or duration of Aβ exposure in the rat brain.
نوع مطالعه: Original | موضوع مقاله: Behavioral Neuroscience
دریافت: 1397/9/12 | پذیرش: 1397/11/18 | انتشار: 1398/8/10

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