Published customer image: . Rat anti Mouse CD44v6 antibody, clone 9A4 ( MCA1967 ) used for the identification of CD44v6 expressing luminal progenitor cells by immunofluorescence. Image caption: . Molecular and phenotypic characteristics of luminal progenitors isolated from virgin and early pregnant females. (A) q-PCR analysis of gene expression levels in mammary Lu-neg and Lu-pos cells isolated from early pregnant females (P-8d). Mean ratios of values normalized to Gapdh expression are shown. Lu-neg/Lu-pos and Lu-pos/Lu-neg ratios are presented in upper and lower panels, respectively. Data are from two independent cell preparations. (B) Icam-1, Met, and Hgf expression in Lu-neg, Lu-pos, and basal/myoepithelial cells, as determined by q-PCR. Cells were isolated from mammary glands of 8-day-pregnant mice. The q-PCR values were normalized to Gapdh expression and represent mean from two independent preparations. (C) Immunodetection of CD44v6 and K8 in cytocentrifuged Lu-neg and Lu-pos cells freshly isolated from mammary glands of mature virgin mice. In upper panels, nuclei were stained with DAPI. Bar, 15 um. From: Di-Cicco A, Petit V, Chiche A, Bresson L, Romagnoli M, Orian-Rousseau V, Vivanco Md, Medina D, Faraldo MM, Glukhova MA, Deugnier MA. Paracrine Met signaling triggers epithelial-mesenchymal transition in mammary luminal progenitors, affecting their fate. Elife. 2015 Jul 13;4 .