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. 2021 Jan 1;11(2):958–973. doi: 10.7150/thno.51478

Figure 4.

Figure 4

BCT downregulates AR-FL/AR-V7 levels through the ubiquitin-proteasome pathway. (A, B) Prostate cancer cells were treated with indicated concentrations (A) and time points (B) of BCT, and cell lysates were analyzed by immunoblot with indicated antibodies. (C) Immunoblot analyses of AR-FL, AR-V7, and HSPs in 22RV1 xenograft tumors treated p.o. with vehicle or BCT. (D, E) LNCaP, C4-2B (D), and 22RV1 (E) cells were treated with cycloheximide (CHX) and BCT as indicated for indicated time periods, and immunoblots were performed with indicated antibodies. (F) 22RV1 cells were treated with 10 nM BCT and 10 μM MG132 as indicated for indicated time periods, and immunoblots were performed with indicated antibodies. (G, H) 22RV1 cell lysates treated with BCT and MG132 as indicated for 4 h were immunoprecipitated with anti-AR (G) or anti-AR-V7 (H) antibody and immunoblotted with indicated antibodies.