Abstract

Bone Marrow Hematopoietic Stem Cells (HSCs) require bone marrow microenvironment for their maintenance and proliferation. Culture of Bone Marrow Mesenchymal Stromal Cells (MSCs) provides appropriate environmental signals for HSCs survival in vitro. Here, we provide a detailed protocol that describes culture conditions for MSCs, flow cytometric isolation of HSCs from mouse bone marrow, and perform co-culture of MSCs and HSCs known as Cobblestone area-forming cell (CAFC) assay. Altogether, CAFC assays can be used as a high-throughput in vitro screening model where efforts are made to understand and develop therapies for complex bone marrow diseases. This protocol needs 3 to 4 weeks starting from culturing MSCs, isolating LSK cells (HSCs), and to performing limited dilution CAFC assay.

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