Paper Information

Journal:   JOURNAL OF ISFAHAN MEDICAL SCHOOL (I.U.M.S)   FALL 2007 , Volume 25 , Number 86; Page(s) 9 To 18.
 
Paper: 

COMPARISON OF NEURAL STEM CELLS NEUROGENESIS BY USING FLOW CYTOMETRY VERSUS MANUAL COUNTING METHOD

 
 
Author(s):  AZARI HASAN*, GOL MOHAMMADI M.GH., ESFANDIARI EBRAHIM, MARDANI M., REYNOLDS B.A.
 
* SHIRAZ UNIVERSITY OF MEDICAL SCIENCES
 
Abstract: 
Background: Finding factors that can increase neurogenesis are of great importance. To find these factors, it seems that neural stem cells culture is an ideal method. To analyze the effect of different factors in a limited period of time and with the least cost, finding an easier and more efficient method than normal manual counting method is needed. The aim of this study was using flow cytometry as an alternative method to evaluate neural stem cells neurogenesis.
Methods: Neural stem cells from E14 mouse brain have been differentiated in a one- step and a two -step methods. After performing immunohistochemistry for neuronal and astrocytic markers, manual and flow cytometry methods have been compared in determining the percentage of neurons and astrocytes. Then, the percentage of neurons and astrocytes generated in two different differentiation methods has been compared using flow cytometry.
Findings: Our findings showed that there wasn't any statistical difference between manual and flow cytometry methods in determining the percentage of neurons and astrocytes. Comparing differentiation methods by flow cytometry, showed that the percentage of both neurons and astrocytes were significantly different in these two methods (p<0.001).
Conclusion: Flow cytometry is a simple and reliable method that can replace manual counting method to evaluate neurogenesis of the neural stem cells. This method would be very useful especially when a high content screening of different factors and compounds is needed.
 
Keyword(s): NEURAL STEM CELL, DIFFERENTIATION, FLOW CYTOMETRY, NEUROGENESIS
 
References: 
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