Review Article

Quiescent, Slow-Cycling Stem Cell Populations in Cancer: A Review of the Evidence and Discussion of Significance

Figure 2

Stem cell markers in Normal Sebaceous Gland and Sebaceous Tumor. Immunohistochemical staining for the skin stem cell marker Keratin 15 (K15). (a) Normal skin sebaceous gland with labeled stem cells (black arrows). (b) Sebaceous tumor with heterogeneous expression of K15.
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(a)
396076.fig.002b
(b)