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. 2017 May 11;7:1749. doi: 10.1038/s41598-017-01866-2

Figure 3.

Figure 3

WISP1 inhibits adipogenesis. (a) 3T3-F442A preadipocytes were transfected or not with 2.5 µg of empty (vector) or WISP1-encoding vector (WISP1) in the presence of MDI media for 72 hours. Alternatively, cells were incubated for 72 hours in MDI media (control) in the presence of recombinant WISP1 (Rec WISP1) or conditioned media from L cells expressing (Wnt3a-CM) or not (CM) Wnt3a. The differentiation process was monitored by microscopic imaging after Oil Red O-staining. Subsequently, Oil Red O-stained areas were quantified by ImageJ analysis (right). (b) 3T3-F442A preadipocytes were transfected with 2.5 µg of empty vector or human WISP1-encoding vector. Three, 5 and 8 days after transfection, endogenous murine WISP1, PPARG, ADIPOQ, LPL, FABP4, CD36, DLK1 and CEBPD mRNA levels were quantified by real-time PCR. The values indicate the changes for the indicated sample compared to day 0. All the values are averages of data from 3 independent experiments performed in duplicate. Results are presented as means ± SEM *p < 0.05; **p < 0.01; ***p < 0.005.