Hemangioblast - Isolation


In 1997, Kennedy from the Keller Lab first isolated the in vitro equivalent of the hemangioblast. These cells were termed blast colony forming cells (BL-CFC). Using aggregates of differentiating mouse embryonic stem cells called embryoid bodies, the authors plated cells in the differentiation timeline just prior to the arise of hematopoietic cells. In the presence of the proper cytokines, a subset of these cells was able to differentiate into hematopoietic lineages. In addition, these same cells can also be differentiated into endothelial cells, as shown by Choi of the Keller Lab.

In 2004, hemangioblasts were isolated in the mouse embryo by Huber of the Keller Lab. They are derived from the posterior primitive streak region of the mesoderm in the gastrulating embryo. By using limiting dilutions, the authors demonstrated that the resulting hematopoietic and endothelial cells were indeed of clonal origin, proving that they had successfully isolated the hemangioblast in the developing embryo.

Read more about this topic:  Hemangioblast

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Famous quotes containing the word isolation:

    But your isolation must not be mechanical, but spiritual, that is, must be elevation.
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