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Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes
Published on: April 12, 2015
A microfluidic array for quantitative analysis of human neural stem cell self-renewal and differentiation in
Kisuk Yang1, Sewoon Han, Yoojin Shin
1Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Republic of Korea.
Biomaterials
|June 20, 2013
Summary
A novel microfluidic array enables quantitative analysis of human neural stem cells (hNSCs) in a biomimetic niche. This 3D hypoxic environment promotes hNSC self-renewal and neuronal differentiation.
Area of Science:
- Biomedical Engineering
- Stem Cell Biology
- Neuroscience
Background:
- Investigating human neural stem cell (hNSC) behavior requires in vivo-like microenvironments.
- Current methods often lack the throughput for comprehensive analysis of self-renewal and differentiation.
Purpose of the Study:
- To develop and validate a microfluidic array for studying hNSCs in a biomimetic niche.
- To quantitatively analyze the effects of 3D extracellular matrices and low oxygen on hNSC fate.
Main Methods:
- Fabrication of a detachable microfluidic array capable of reconstituting 3D extracellular matrices and low oxygen tension.
- Utilizing quantitative real-time polymerase chain reaction for analysis.
- Combinatorial screening of niche conditions.
Main Results:
- The microfluidic array successfully recreated in vivo-like niche conditions for hNSCs.
- Increased throughput for 3D cell culture and quantitative analysis was achieved.
- 3D hypoxic microenvironments were shown to maintain hNSC self-renewal and promote neuronal differentiation.
Conclusions:
- The developed microfluidic array is a powerful tool for quantitative analysis of hNSC behavior.
- Biomimetic 3D hypoxic conditions are crucial for maintaining hNSC self-renewal and directing neuronal differentiation.
