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. 2009 Nov 2;187(3):375–384. doi: 10.1083/jcb.200904140

Figure 1.

Figure 1.

Population-averaged levels of adipocyte markers increased monotonically on differentiating 3T3-L1 preadipocytes. (a) Western blots of differentiating 3T3-L1 cells probed with antibodies for AdipoQ, PPARγ, and HSL. Equal amounts of proteins were collected from each day of differentiation. For AdipoQ, only the tetramer bands are shown (D0, right before differentiation induction; D3–12, D3–12 after differentiation induction). (b) Bright field differential interference contrast and immunofluorescence images showing differentiating 3T3-L1 cells. For visualization only, marker intensity ranges were equalized across all images. (c) Comparisons of marker levels obtained from Western blots and median cell expression values from immunofluorescence images (see Materials and methods). Each graph was normalized to have unit sum across all days. Bar, 150 µm.

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