Stop signal for leukemia stem cells

There are numerous specialized growth factors that are responsible for cells of different tissues of our body to divide and differentiate when needed. These hormone-like factors bind to matching receptors on the surface of their target cells and thus give order for the cell to divide. However, a single genetic alteration can be sufficient for the whole system to get out of control. If, for example, the gene for such a growth factor or for the matching receptor is hyperactive, then the cell permanently receives signals to divide – and this can result in cancer.

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