LSD1, a histone demethylase, is required for the assembly of the Notch repressor complex. LSD1, a histone demethylase, is required for the assembly of.

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Volume 43, Issue 5, Pages (September 2011)
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LSD1, a histone demethylase, is required for the assembly of the Notch repressor complex. LSD1, a histone demethylase, is required for the assembly of the Notch repressor complex. A, ChIP-PCR analysis showing LSD1 binding to the Arf promoter in control and Notchic-infected MEFs. B, qRT-PCR analysis of Arf in primary MEFs, Notchic-infected MEFs and Notchic-infected MEFs further treated with TCP (10 μmol/L, 48 hours). Shown are means ± SEM (n = 3; **, P < 0.01). C–F, ChIP-PCR analysis of Notch1 (C), LSD1 (D), EZH2 (E), and H3K27me3 (F) binding to Arf promoter between control and TCP treatment group. G, Western blot analysis revealed protein levels of Notch1, LSD1, and EZH2 in primary MEFs, Notchic-infected MEFs, and TCP-treated Notchic-infected MEFs. Tubulin is used as a loading control. H, ChIP-PCR analysis showing LSD1 binding to the Hey2 promoter in control and Notchic-infected MEFs. I, qRT-PCR analysis of Hey2 in primary MEFs, Notchic-infected MEFs and Notchic-infected MEFs further treated with TCP (10 μmol/L, 48 hours). Shown are means ± SEM (n = 3; **, P < 0.01). J, ChIP-PCR analysis of Notch and LSD1 binding to the Hey2 promoter between control and TCP treatment group. K, qRT-PCR analysis of Arf in lymphoma cell lines 6780, 4084, and NA1. L, qRT-PCR analysis of Arf in the three lymphoma cell lines treated with LSD1 inhibitor TCP (10 μmol/L, 48 hours) or EZH2 inhibitor EPZ-6438 (5 μmol/L, 48 hours). ChIP results are represented as fold change with respect to IgG. Data are shown as means ± SEM (n = 3; *, P ≤ 0.05; **, P < 0.01). Xiaoqing Han et al. Mol Cancer Res 2017;15:1173-1183 ©2017 by American Association for Cancer Research