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. 2013 Jun 24;8(6):e66947. doi: 10.1371/journal.pone.0066947

Figure 6. Transrepression activity of PPARγ mutants.

Figure 6

(A) RAW264.7 macrophages were transfected with the iNOS luciferase reporter plasmid along with PPARγ mutants. Forty-two hours after transfection, cells were treated for 6 hours with 1 µg/ml LPS and 1 µM rosiglitazone (Rosi) as indicated. The reporter activities in the presence of LPS were set to 100% promoter activity. (B) Hela cells were transfected with the 3xNF-κB luciferase reporter plasmid along with PPARγ mutants. Twenty-four hours after transfection, cells were treated with 1 µM rosiglitazone (Rosi). Four hours prior lysis, 10 ng/ml interleukin-1β (IL-1ß) was added as indicated. The reporter activities obtained by interleukin-1ß stimulation were set to 100% promoter activity. Error bars are mean +/− SD. Statistics was performed using Student´s t-test. *, p<0.05; **, p<0.005.