Fig. 1.From: Redirecting differentiation of mammary progenitor cells by 3D bioprinted sweat gland microenvironmentIdentification of mammary progenitor cells (MPCs). Immunofluorescence staining of keratin-14 (K14) and keratin-19 (K19) of MPCs after isolated and cultured 1 day (scale bar, 50 μm)Back to article page