Abstract
The hippocampal niche is one of two areas in the brain where stem cells reside. In this neurogenic niche, stem cells can be found in close proximity to astrocytes and in contact with microvessels consisting of pericytes and endothelial cells. To study the regulatory interplay of this complex niche network in a simplified in vitro model, we established a co-culture system. We investigate the formation of neurosphere under different co-culture conditions by using primary niche cells. Here, we describe the isolation procedure for primary niche cells culture of astrocytes, endothelial cells and pericytes/smooth muscle cells from mouse brain. These niche cells are co-cultured (by hanging inserts) with freshly isolated stem and precursor cells from the adult hippocampus to study the influence of soluble factors. This method is used to investigate factors and cell types regulating stem cell behavior in a niche-like environment.
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