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. 2020 Jul 7;11:3383. doi: 10.1038/s41467-020-17205-5

Fig. 7. BET inhibition blocks fibrosis development in AAN and UUO.

Fig. 7

a BALB/c mice (10- to 12-week-old males) were treated daily with JQ1 (50 mg/kg) or vehicle (DMSO/10% ß-cyclo dextrin 1:10) starting on the day of aristolochic acid (AA) injection (3 mg/kg BW) or day 7 after AA injection. Mice were sacrificed on day 21 after AA injection. b Serum creatinine (mg/dL) trajectories of vehicle and JQ1 treated mice from day 0 until day 21 after AA (mean ± SD). vehicle: n = 7; JQ1 d0: n = 6; JQ1 d7: n = 8 biologically independent samples. c Survival curves after AA injection: 100% survial in vehicle and JQ1 d7 group, 67% survival in mice treated with JQ1 from day 0 until day 21 after AA injection. d Representative Ki67-1/Acta2-immunostained AAN kidneys treated with vehicle or JQ1 d0 or JQ1 d7. e Quantification of α-SMA+ (Acta2) surface area. Percentage of Ki67+ cells (Ki67+ cells/total number of cells (DAPI) per hpf). vehicle: n = 7 (60 hpf); JQ1 d0: n = 4 (33 hpf); JQ1 d7: n = 8 (64 hpf) at least 8 hpf per sample. f C57BL/6N mice (8- to 10-week-old males) were treated daily starting at the day of UUO surgery with JQ1 (50 mg/kg) or vehicle, and were sacrificed on day 10 after surgery. g Representative trichrome-stained and Sirius-red stained sections. h Quantification of fibrotic area (masson trichrome +-stained) (n = 7, 5 hpf per sample) and Sirius red+ area (collagen) (n = 7, at least 7 hpf per sample. t-test (two-sided). Data represent the mean ± min, max. Box contains 50% of the data. Scale bars: 100 µm (d), 50 μm (g). Source data are provided as a Source data file.