1. Identification of BRMS1L as Metastasis Suppressing Gene in Esophageal Squamous Cell Carcinoma
- Author
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Zhiping Zhang, Feifei Zhang, Yan Zhou, Bin Lv, Haiyan Hu, Cheng Ju, Xiao-Bin Lv, Renfeng Liu, Ruihao Zhou, Liping Li, Yiping Liang, Jun Sun, and Xiaofeng Tang
- Subjects
0301 basic medicine ,Gene knockdown ,medicine.diagnostic_test ,Biology ,medicine.disease ,Metastasis ,03 medical and health sciences ,030104 developmental biology ,0302 clinical medicine ,Breast Cancer Metastasis-Suppressor 1 ,Oncology ,Western blot ,Transcription (biology) ,Cell culture ,030220 oncology & carcinogenesis ,medicine ,Cancer research ,Luciferase ,Cell adhesion - Abstract
Introduction Breast cancer metastasis suppressor 1 like (BRMS1-like)was first reported to be a component of the Sin3-HDAC complex, but the role in the progression of cancers was largely unknown. Our previous study reported that BRMS1L promoted the metastasis of breast cancer through facilitating the recruitment of HDAC complex to the promoter FZD10, and hence suppressing the transcription of FZD10. Methods In this study, we detected the expression level of BRMS1L in esophageal squamous cell carcinoma (ESCC). The effect of BRMS1L in TE-1D (knockdown) and ECA-109 (overexpression) cell lines was explored by transwell assays, wound healing assays, and cell adhesion assays. Quantitative real‑time PCR, Western blot analysis, and luciferase assays were used to detect the interaction of the CBP/P300-BRMS1L-ITGA7 axis. Results In the present study, we found that knockdown of BRMS1L promoted the migration, invasion, and epithelial-mesenchymal transition (EMT). Conversely, overexpression of BRMS1L inhibited the migration and invasion of ESCC. Mechanistically, BRMS1L exerted their metastasis-suppressing role via transcriptionally repress ITGA7 expression. Moreover, we revealed that CBP/p 300 regulated the expression of BRMS1L and might be responsible for the down-regulation of BRMS1L in ESCC. Conclusion Collectively, we identified the role of CBP/p300-BRMS1L-ITGA7 axis in the metastasis of ESCC.
- Published
- 2020
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