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LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis
BACKGROUND: Emerging studies have revealed long noncoding RNAs (lncRNAs) were key regulators of cancer progression. In this research, the expression and roles of MBNL1-AS1 were explored in breast cancer (BC). METHODS: In this study, the MBNL1-AS1 expression in breast cancer tissue, as well as in cel...
Autores principales: | , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Hindawi
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9064507/ https://www.ncbi.nlm.nih.gov/pubmed/35518784 http://dx.doi.org/10.1155/2022/9999343 |
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author | Ding, Yu Li, Yingjie Duan, Yunqiang Wang, Wan Zheng, Wei Cheng, Weilun Qi, Yuan Feng, Jianyuan Chen, Ziang Yu, Tianshui Hu, Anbang Wang, Ting Li, Mingcui Zhang, Hanyu Li, Yanling Ma, Fei Guo, Baoliang |
author_facet | Ding, Yu Li, Yingjie Duan, Yunqiang Wang, Wan Zheng, Wei Cheng, Weilun Qi, Yuan Feng, Jianyuan Chen, Ziang Yu, Tianshui Hu, Anbang Wang, Ting Li, Mingcui Zhang, Hanyu Li, Yanling Ma, Fei Guo, Baoliang |
author_sort | Ding, Yu |
collection | PubMed |
description | BACKGROUND: Emerging studies have revealed long noncoding RNAs (lncRNAs) were key regulators of cancer progression. In this research, the expression and roles of MBNL1-AS1 were explored in breast cancer (BC). METHODS: In this study, the MBNL1-AS1 expression in breast cancer tissue, as well as in cell line, was studied by qRT-PCR assays. The effects of MBNL1-AS1 on proliferation and stemness were evaluated by MTT assays, colony formation assays, orthotopic breast tumor mice models, extreme limiting dilution analysis (ELDA), fluorescence in situ hybridization (FISH), flow cytometry assays, and sphere formation assays. Flexmap 3D assays were performed to show that MBNL1-AS1 downregulated the centromere protein A (CENPA) secretion in BC cells. Western blot, RNA pull-down assays, RNA immunoprecipitation (RIP) assays, and FISH were conducted to detect the mechanism. RESULTS: The results showed that the expression levels of MBNL1-AS1 were downregulated in breast cancer tissues and cell lines. In vitro and in vivo studies demonstrated that overexpression of MBNL1-AS1 markedly inhibited BC cells proliferation and stemness. RNA pull-down assay, RIP assay, western blot assay, and qRT-PCR assay showed that MBNL1-AS1 downregulated CENPA mRNA via directly interacting with Zinc Finger Protein 36 (ZFP36) and subsequently decreased the stability of CENPA mRNA. Restoration assays also confirmed that MBNL1-AS1 suppressed the CENPA-mediated proliferation and stemness in breast cancer cells. CONCLUSIONS: The new mechanism of how MBNL1-AS1 regulates BC phenotype is elucidated, and the MBNL1-AS1/ZFP36/CENPA axis may be served as a therapeutic target for BC patients. |
format | Online Article Text |
id | pubmed-9064507 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Hindawi |
record_format | MEDLINE/PubMed |
spelling | pubmed-90645072022-05-04 LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis Ding, Yu Li, Yingjie Duan, Yunqiang Wang, Wan Zheng, Wei Cheng, Weilun Qi, Yuan Feng, Jianyuan Chen, Ziang Yu, Tianshui Hu, Anbang Wang, Ting Li, Mingcui Zhang, Hanyu Li, Yanling Ma, Fei Guo, Baoliang J Oncol Research Article BACKGROUND: Emerging studies have revealed long noncoding RNAs (lncRNAs) were key regulators of cancer progression. In this research, the expression and roles of MBNL1-AS1 were explored in breast cancer (BC). METHODS: In this study, the MBNL1-AS1 expression in breast cancer tissue, as well as in cell line, was studied by qRT-PCR assays. The effects of MBNL1-AS1 on proliferation and stemness were evaluated by MTT assays, colony formation assays, orthotopic breast tumor mice models, extreme limiting dilution analysis (ELDA), fluorescence in situ hybridization (FISH), flow cytometry assays, and sphere formation assays. Flexmap 3D assays were performed to show that MBNL1-AS1 downregulated the centromere protein A (CENPA) secretion in BC cells. Western blot, RNA pull-down assays, RNA immunoprecipitation (RIP) assays, and FISH were conducted to detect the mechanism. RESULTS: The results showed that the expression levels of MBNL1-AS1 were downregulated in breast cancer tissues and cell lines. In vitro and in vivo studies demonstrated that overexpression of MBNL1-AS1 markedly inhibited BC cells proliferation and stemness. RNA pull-down assay, RIP assay, western blot assay, and qRT-PCR assay showed that MBNL1-AS1 downregulated CENPA mRNA via directly interacting with Zinc Finger Protein 36 (ZFP36) and subsequently decreased the stability of CENPA mRNA. Restoration assays also confirmed that MBNL1-AS1 suppressed the CENPA-mediated proliferation and stemness in breast cancer cells. CONCLUSIONS: The new mechanism of how MBNL1-AS1 regulates BC phenotype is elucidated, and the MBNL1-AS1/ZFP36/CENPA axis may be served as a therapeutic target for BC patients. Hindawi 2022-04-26 /pmc/articles/PMC9064507/ /pubmed/35518784 http://dx.doi.org/10.1155/2022/9999343 Text en Copyright © 2022 Yu Ding et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Ding, Yu Li, Yingjie Duan, Yunqiang Wang, Wan Zheng, Wei Cheng, Weilun Qi, Yuan Feng, Jianyuan Chen, Ziang Yu, Tianshui Hu, Anbang Wang, Ting Li, Mingcui Zhang, Hanyu Li, Yanling Ma, Fei Guo, Baoliang LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title | LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title_full | LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title_fullStr | LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title_full_unstemmed | LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title_short | LncRNA MBNL1-AS1 Represses Proliferation and Cancer Stem-Like Properties of Breast Cancer through MBNL1-AS1/ZFP36/CENPA Axis |
title_sort | lncrna mbnl1-as1 represses proliferation and cancer stem-like properties of breast cancer through mbnl1-as1/zfp36/cenpa axis |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9064507/ https://www.ncbi.nlm.nih.gov/pubmed/35518784 http://dx.doi.org/10.1155/2022/9999343 |
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