1
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Alzahrani AA, Saleh RO, Latypova A, Bokov DO, Kareem AH, Talib HA, Hameed NM, Pramanik A, Alawadi A, Alsalamy A. Therapeutic significance of long noncoding RNAs in estrogen receptor-positive breast cancer. Cell Biochem Funct 2024; 42:e3993. [PMID: 38532685 DOI: 10.1002/cbf.3993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 03/28/2024]
Abstract
About 70% of cases of breast cancer are compromised by Estrogen-positive breast cancer. Through its regulation of several processes, including cell proliferation, cell cycle progression, and apoptosis, Estrogen signaling plays a pivotal role in the genesis and progression of this particular kind of breast cancer. One of the best treatment strategies for treating Estrogen-positive breast cancer is blocking Estrogen signaling. However, patients' treatment failure is mainly caused by the emergence of resistance and metastases, necessitating the development of novel therapeutic targets. Numerous studies have shown long noncoding RNAs (lncRNAs) to play a role in Estrogen-mediated carcinogenesis. These lncRNAs interact with co-regulators and the Estrogen signaling cascade components, primarily due to Estrogen activation. Vimentin and E-cadherin are examples of epithelial-to-mesenchymal transition markers, and they regulate genes involved in cell cycle progression, such as Cyclins, to affect the growth, proliferation, and metastasis of Estrogen-positive breast cancer. Furthermore, a few of these lncRNAs contribute to developing resistance to chemotherapy, making them more desirable targets for enhancing results. Thus, to shed light on the creation of fresh approaches for treating this cancer, this review attempts to compile recently conducted studies on the relationship between lncRNAs and the advancement of Estrogen-positive breast cancer.
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Affiliation(s)
| | - Raed Obaid Saleh
- Department of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, Iraq
| | - Amaliya Latypova
- Department of Medical and Technical Information Technology, Bauman Moscow State Technical University, Moscow, Russia
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology, Mishref Campus, Kuwait
| | - Dmitry Olegovich Bokov
- Institute of Pharmacy, Sechenov First Moscow State Medical University, Moscow, Russian Federation
- Laboratory of Food Chemistry, Federal Research Center of Nutrition, Biotechnology and Food Safety, Moscow, Russian Federation
| | | | - Hayder Abdullah Talib
- College of Agriculture, National University of Science and Technology, Dhi Qar, Dhi Qar, Iraq
| | - Noora M Hameed
- Anesthesia techniques, Al-Nisour University College, Iraq
| | - Atreyi Pramanik
- Divison of Research and Innovation, School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Ahmed Alawadi
- College of Technical Engineering, the Islamic University, Najaf, Iraq
- College of Technical Engineering, the Islamic University of Al Diwaniyah, Iraq
- College of Technical Engineering, the Islamic University of Babylon, Iraq
| | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna, Iraq
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2
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Wang Y, Bu N, Luan XF, Song QQ, Ma BF, Hao W, Yan JJ, Wang L, Zheng XL, Maimaitiyiming Y. Harnessing the potential of long non-coding RNAs in breast cancer: from etiology to treatment resistance and clinical applications. Front Oncol 2024; 14:1337579. [PMID: 38505593 PMCID: PMC10949897 DOI: 10.3389/fonc.2024.1337579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 02/19/2024] [Indexed: 03/21/2024] Open
Abstract
Breast cancer (BC) is the most common malignancy among women and a leading cause of cancer-related deaths of females worldwide. It is a complex and molecularly heterogeneous disease, with various subtypes that require different treatment strategies. Despite advances in high-resolution single-cell and multinomial technologies, distant metastasis and therapeutic resistance remain major challenges for BC treatment. Long non-coding RNAs (lncRNAs) are non-coding RNAs with more than 200 nucleotides in length. They act as competing endogenous RNAs (ceRNAs) to regulate post-transcriptional gene stability and modulate protein-protein, protein-DNA, and protein-RNA interactions to regulate various biological processes. Emerging evidence suggests that lncRNAs play essential roles in human cancers, including BC. In this review, we focus on the roles and mechanisms of lncRNAs in BC progression, metastasis, and treatment resistance, and discuss their potential value as therapeutic targets. Specifically, we summarize how lncRNAs are involved in the initiation and progression of BC, as well as their roles in metastasis and the development of therapeutic resistance. We also recapitulate the potential of lncRNAs as diagnostic biomarkers and discuss their potential use in personalized medicine. Finally, we provide lncRNA-based strategies to promote the prognosis of breast cancer patients in clinical settings, including the development of novel lncRNA-targeted therapies.
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Affiliation(s)
- Yun Wang
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Na Bu
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao-fei Luan
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qian-qian Song
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ba-Fang Ma
- Department of Immunology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Wenhui Hao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Jing-jing Yan
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Wang
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao-ling Zheng
- Department of Pharmacy, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yasen Maimaitiyiming
- Department of Immunology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
- Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
- Women’s Hospital, Institute of Genetics, and Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Xinjiang Medical University, Urumqi, China
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3
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Kadian LK, Verma D, Lohani N, Yadav R, Ranga S, Gulshan G, Pal S, Kumari K, Chauhan SS. Long non-coding RNAs in cancer: multifaceted roles and potential targets for immunotherapy. Mol Cell Biochem 2024:10.1007/s11010-024-04933-1. [PMID: 38413478 DOI: 10.1007/s11010-024-04933-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/05/2024] [Indexed: 02/29/2024]
Abstract
Cancer remains a major global health concern with high mortality rates mainly due to late diagnosis and poor prognosis. Long non-coding RNAs (lncRNAs) are emerging as key regulators of gene expression in human cancer, functioning through various mechanisms including as competing endogenous RNAs (ceRNAs) and indirectly regulating miRNA expression. LncRNAs have been found to have both oncogenic and tumor-suppressive roles in cancer, with the former promoting cancer cell proliferation, migration, invasion, and poor prognosis. Recent research has shown that lncRNAs are expressed in various immune cells and are involved in cancer cell immune escape and the modulation of the tumor microenvironment, thus highlighting their potential as targets for cancer immunotherapy. Targeting lncRNAs in cancer or immune cells could enhance the anti-tumor immune response and improve cancer immunotherapy outcomes. However, further research is required to fully understand the functional roles of lncRNAs in cancer and the immune system and their potential as targets for cancer immunotherapy. This review offers a comprehensive examination of the multifaceted roles of lncRNAs in human cancers, with a focus on their potential as targets for cancer immunotherapy. By exploring the intricate mechanisms underlying lncRNA-mediated regulation of cancer cell proliferation, invasion, and immune evasion, we provide insights into the diverse therapeutic applications of these molecules.
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Affiliation(s)
- Lokesh K Kadian
- Dept of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
- Dept of Dermatology, Indiana University School of Medicine, Indianapolis, 46202, USA
| | - Deepika Verma
- Dept of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Neelam Lohani
- Dept of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Ritu Yadav
- Dept of Genetics, MD University, Rohtak, 124001, India
| | - Shalu Ranga
- Dept of Genetics, MD University, Rohtak, 124001, India
| | - Gulshan Gulshan
- Department of Biosciences and Bioengineering, IIT Bombay, Mumbai, Maharashtra, India
| | - Sanghapriya Pal
- Dept of Biochemistry, Maulana Azad Medical College and Associated Hospital, New Delhi, 110002, India
| | - Kiran Kumari
- Dept of Forensic Science, Lovely Professional University, Jalandhar, Punjab, 144411, India
| | - Shyam S Chauhan
- Dept of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India.
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4
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Moreno-Perea M, Suárez-Castro A, Fraire-Soto I, Sifuentes-Padilla JL, Gutiérrez-Hernández R, Reyes-Estrada CA, López-Hernández Y, Cortés-García CJ, Chacón-García L, Granados-López AJ, López JA. Proliferation, Migration and Invasion of Breast Cancer Cell Lines Are Inhibited by 1,5-Disubstituted Tetrazol-1,2,3-triazole Hybrids through Interaction with p53. Molecules 2023; 28:7600. [PMID: 38005322 PMCID: PMC10673467 DOI: 10.3390/molecules28227600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
The anticarcinogenic potential of a series of 1,5-disubstituted tetrazole-1,2,3-triazole hybrids (T-THs) was evaluated in the breast cancer (BC)-derived cell lines MCF-7 (ER+, PR+, and HER2-), CAMA-1 (ER+, PR+/-, and HER2-), SKBR-3 (ER+, PR+, and HER2+), and HCC1954 (ER+, PR+, and HER2+). The T-THs 7f, 7l, and 7g inhibited the proliferation of MCF-7 and CAMA-1, HCC1954, and SKBR-3 cells, respectively. The compounds with stronger effect in terms of migration and invasion inhibition were 7o, 7b, 7n, and 7k for the CAMA-1, MCF-7, HCC1954, and SKBR-3 cells respectively. Interestingly, these T-THs were the compounds with a fluorine present in their structures. To discover a possible target protein, a molecular docking analysis was performed for p53, p38, p58, and JNK1. The T-THs presented a higher affinity for p53, followed by JNK1, p58, and lastly p38. The best-predicted affinity for p53 showed interactions between the T-THs and both the DNA fragment and the protein. These results provide an opportunity for these compounds to be studied as potential drug candidates for breast cancer treatment.
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Affiliation(s)
- Marisol Moreno-Perea
- Laboratorio de microRNAs y Cáncer, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
| | - Abel Suárez-Castro
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58033, Michoacán, Mexico
| | - Ixamail Fraire-Soto
- Laboratorio de microRNAs y Cáncer, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
| | - Jessica Lizbeth Sifuentes-Padilla
- Laboratorio de microRNAs y Cáncer, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
| | - Rosalinda Gutiérrez-Hernández
- Unidad Académica de Enfermería, Universidad Autónoma de Zacatecas, Campus Siglo XXI, Edificio L-1, Segundo Piso, Carretera Zacatecas-Guadalajara Km 6, Ejido La Escondida, Zacatecas 98160, Zacatecas, Mexico
| | - Claudia Araceli Reyes-Estrada
- Maestría en Ciencias de la Salud con Especialidad en Salud Pública, Unidad Academica de Medicina Human, UAZ, Campus Siglo XXI, Edificio L-1, Segundo Piso, Carretera Zacatecas-Guadalajara Km 6, Ejido La Escondida, Zacatecas 98160, Zacatecas, Mexico
| | - Yamilé López-Hernández
- Laboratorio de Metabolómica y Proteómica, Cátedra CONACYT, Unidad Académica de Ciencias Biológicas, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
| | - Carlos J Cortés-García
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58033, Michoacán, Mexico
| | - Luis Chacón-García
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58033, Michoacán, Mexico
| | - Angelica Judith Granados-López
- Laboratorio de microRNAs y Cáncer, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
| | - Jesús Adrián López
- Laboratorio de microRNAs y Cáncer, Universidad Autónoma de Zacatecas, Av. Preparatoria S/N, Agronómica, Campus II, Zacatecas 98066, Zacatecas, Mexico
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5
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Chen H, Xie G, Luo Q, Yang Y, Hu S. Regulatory miRNAs, circRNAs and lncRNAs in cell cycle progression of breast cancer. Funct Integr Genomics 2023; 23:233. [PMID: 37432486 DOI: 10.1007/s10142-023-01130-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/01/2023] [Accepted: 06/07/2023] [Indexed: 07/12/2023]
Abstract
Breast cancer is a complex and heterogeneous disease that poses a significant public health concern worldwide, and it remains a major challenge despite advances in treatment options. One of the main properties of cancer cells is the increased proliferative activity that has lost regulation. Dysregulation of various positive and negative modulators in the cell cycle has been identified as one of the driving factors of breast cancer. In recent years, non-coding RNAs have garnered much attention in the regulation of cell cycle progression, with microRNAs (miRNAs), circular RNAs (circRNAs), and long non-coding RNAs (lncRNAs) being of particular interest. MiRNAs are a class of highly conserved and regulatory small non-coding RNAs that play a crucial role in the modulation of various cellular and biological processes, including cell cycle regulation. CircRNAs are a novel form of non-coding RNAs that are highly stable and capable of modulating gene expression at posttranscriptional and transcriptional levels. LncRNAs have also attracted considerable attention because of their prominent roles in tumor development, including cell cycle progression. Emerging evidence suggests that miRNAs, circRNAs and lncRNAs play important roles in the regulation of cell cycle progression in breast cancer. Herein, we summarized the latest related literatures in breast cancer that emphasize the regulatory roles of miRNAs, circRNAs and lncRNAs in cell cycle progress of breast cancer. Further understanding of the precise roles and mechanisms of non-coding RNAs in breast cancer cell cycle regulation could lead to the development of new diagnostic and therapeutic strategies for breast cancer.
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Affiliation(s)
- Huan Chen
- Department of Clinical Laboratory, Wuhan Institute of Technology Hospital, Wuhan Institute of Technology, Wuhan, China
| | - Guoping Xie
- Department of Clinical Laboratory, The Second Staff Hospital of Wuhan Iron and Steel (Group) Corporation, Wuhan, China
| | - Qunying Luo
- Department of Internal Medicine-Neurology, Huarun Wuhan Iron and Steel General Hospital, Wuhan, China
| | - Yisha Yang
- Luoyang Campus, Henan Vocational College of Agriculture, Luoyang, China
| | - Siheng Hu
- Department of Clinical Laboratory, Honggangcheng Street Community Health Service Center, Wuhan, China.
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6
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Yin Q, Ma H, Bamunuarachchi G, Zheng X, Ma Y. Long Non-Coding RNAs, Cell Cycle, and Human Breast Cancer. Hum Gene Ther 2023; 34:481-494. [PMID: 37243445 PMCID: PMC10398747 DOI: 10.1089/hum.2023.074] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 05/25/2023] [Indexed: 05/28/2023] Open
Abstract
The long non-coding RNAs (lncRNAs) constitute an important class of the human transcriptome. The discovery of lncRNAs provided one of many unexpected results of the post-genomic era and uncovered a huge number of previously ignored transcriptional events. In recent years, lncRNAs are known to be linked with human diseases, with particular focus on cancer. Growing evidence has indicated that dysregulation of lncRNAs in breast cancer (BC) is strongly associated with the occurrence, development, and progress. Increasing numbers of lncRNAs have been found to interact with cell cycle progression and tumorigenesis in BC. The lncRNAs can exert their effect as a tumor suppressor or oncogene and regulate tumor development through direct or indirect regulation of cancer-related modulators and signaling pathways. What is more, lncRNAs are excellent candidates for promising therapeutic targets in BC due to the features of high tissue and cell-type specific expression. However, the underlying mechanisms of lncRNAs in BC still remain largely undefined. Here, we concisely summarize and sort out the current understanding of research progress in relationships of the roles for lncRNA in regulating the cell cycle. We also summarize the evidence for aberrant lncRNA expression in BC, and the potential for lncRNA to improve BC therapy is also discussed. Together, lncRNAs can be considered as exciting therapeutic candidates whose expression can be altered to impede BC progression.
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Affiliation(s)
- Qinan Yin
- Precision Medicine Laboratory, College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
| | - Haodi Ma
- Precision Medicine Laboratory, College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
| | - Gayan Bamunuarachchi
- Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA
| | - Xuewei Zheng
- Precision Medicine Laboratory, College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
| | - Yan Ma
- Spatial Navigation and Memory Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
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7
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Raju GSR, Pavitra E, Bandaru SS, Varaprasad GL, Nagaraju GP, Malla RR, Huh YS, Han YK. HOTAIR: a potential metastatic, drug-resistant and prognostic regulator of breast cancer. Mol Cancer 2023; 22:65. [PMID: 36997931 PMCID: PMC10061914 DOI: 10.1186/s12943-023-01765-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/14/2023] [Indexed: 04/01/2023] Open
Abstract
HOX transcript antisense intergenic RNA (HOTAIR) is an oncogenic non-coding RNA whose expression is strongly correlated with the tumor grade and prognosis of a variety of carcinomas including breast cancer (BC). HOTAIR regulates various target genes via sponging and epigenetic mechanisms and controls various oncogenic cellular and signaling mechanisms including metastasis and drug resistance. In BC cells, HOTAIR expression is regulated by a variety of transcriptional and epigenetic mechanisms. In this review, we describe the regulatory mechanisms that govern HOTAIR expression during cancer development and explore how HOTAIR drives BC development, metastasis, and drug resistance. In the final section of this review, we focus on the role of HOTAIR in BC management, therapeutic treatment, and prognosis, highlighting its potential therapeutic applications.
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Affiliation(s)
- Ganji Seeta Rama Raju
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Eluri Pavitra
- NanoBio High-Tech Materials Research Center, Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
| | | | - Ganji Lakshmi Varaprasad
- NanoBio High-Tech Materials Research Center, Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
| | | | - Rama Rao Malla
- Cancer Biology Laboratory, Department of Biochemistry and Bioinformatics, GIS, GITAM (Deemed to be University), Visakhapatnam, Andhra Pradesh, 530045, India.
| | - Yun Suk Huh
- NanoBio High-Tech Materials Research Center, Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea.
| | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
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Haghighi N, Doosti A, Kiani J. Evaluation of Apoptosis, Cell Proliferation and Cell Cycle Progression by Inactivation of the NEAT1 Long Noncoding RNA in a Renal Carcinoma Cell Line Using CRISPR/Cas9. IRANIAN JOURNAL OF BIOTECHNOLOGY 2023; 21:e3180. [PMID: 36811109 PMCID: PMC9938936 DOI: 10.30498/ijb.2022.310632.3180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 03/06/2022] [Indexed: 02/24/2023]
Abstract
Background Long noncoding RNAs (lncRNAs) play an important role in cellular mechanisms including transcription, translation, and apoptosis. NEAT1 is one of the essential types of lncRNAs in humans that can bind to active genes and modify their transcription. NEAT1 upregulation in various forms of cancer such as kidney cancer has been reported. Kidney cancer accounts for approximately 3% of all cancers worldwide and occurs almost twice as often in men as in women. Objectives This study has been performed to knockout the NEAT1 gene using the CRISPR/Cas9 technique in the Renal Cell Carcinoma ACHN cell line and to evaluate its effects on cancer progression and apoptosis. Material and Methods Two specific (single guide RNA (sgRNA) sequences for the NEAT1 gene were designed by CHOPCHOP software. These sequences were then cloned into plasmid pSpcas9, and recombinant vectors PX459-sgRNA1 and PX459-sgRNA2 were generated. ACHN cells were transfected using recombinant vectors carrying sgRNA1 and sgRNA2. The expression level of apoptosis-related genes was assessed by real-time PCR. Annexin, MTT and cell scratch tests were performed to evaluate the survival, proliferation, and migration of the knocked out cells, respectively. Results The results have shown successful knockout of the NEAT1 gene in the cells of the treatment group. Expressions of P53, BAK, BAX and FAS genes in the cells of the treatment group (NEAT1 knockout) showed significant increases in expression compared to the cells of the control group (P <0.01). Additionally, decreased expression of BCL2 and survivin genes was observed in knockout cells compared to the control group (p <0.05). In addition, in the cells of the treatment group compared to control cells, a significant decrease in cell viability, ability to migrate and cell growth and proliferation was observed. Conclusion Inactivation of the NEAT1 gene in ACHN cell line using CRISPR/Cas9 technology elevated apoptosis and reduced cell survival and proliferation which makes it a novel target for kidney cancer therapeutics.
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Affiliation(s)
- Nastaran Haghighi
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Abbas Doosti
- Biotechnology Research Center, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Jafar Kiani
- Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran,
Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
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9
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Neurospora crassa is a potential source of anti-cancer agents against breast cancer. Breast Cancer 2022; 29:1032-1041. [PMID: 35881300 DOI: 10.1007/s12282-022-01383-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 06/23/2022] [Indexed: 11/02/2022]
Abstract
Fungi are an excellent source of pharmaceuticals including anti-tumor agents. Neurospora crassa generates metabolites with diverse structural classes, however, its potential as an anti-tumor agent source has not been explored. The purpose of this study aimed to investigate the potential of Neurospora crassa mixture against breast cancer. The in vitro T-47D and MDA-MB-231 experiments showed that N. crassa mixture at the concentrations of both 1.7 and 0.85 µg/ml significantly inhibited tumor cell proliferation, migration and invasion, and 3D spheroid formation. However, the inhibition rates of MCF-10A ranged 10-20% at concentrations of 0.85 and 1.7 µg/ml. The mixture at the concentration of 0.85 µg/ml could significantly downregulate the expressions of transcription factors of E2F1 and E2F3, cancer stem cell-related genes of LIN28, HIWI, and CD133, and onco-lncRNA HOTAIR, and increase CASP3 activity in either T-47D or MDA-MD-231 breast cancer cell lines. In vivo breast cancer C3H mouse model results showed that N. crassa mixture significantly inhibited tumor growth. These findings suggest that N. crassa contains an antitumor component(s) against breast cancer invasiveness, which may inhibit the self-renewal and differentiation of breast cancer stem cells possibly by downregulating cancer stem cell-associated and/or transcription factor genes and oncogenes, and promoting apoptosis.
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10
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Non-coding RNAs associated with autophagy and their regulatory role in cancer therapeutics. Mol Biol Rep 2022; 49:7025-7037. [PMID: 35534587 DOI: 10.1007/s11033-022-07517-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/25/2022] [Indexed: 10/18/2022]
Abstract
Cancer widely affects the world's health population and ranks second leading cause of death globally. Because of poor prognosis of various types of cancer such as sarcoma, lymphoma, adenomas etc., their high recurrence and metastasis rate and low early diagnosis rate have become concern lately. Role of autophagy in cancer progression is being studied since long. Autophagy is cell's self-degradative mechanism towards stress and has role in degradation of the cytoplasmic macromolecules which has potential to damage other cytosolic molecules. Autophagy can promote as well as inhibit tumorigenesis depending upon the associated protein combinations in cancer cells. Recent studies have shown that non-coding RNAs (ncRNAs) do not code for protein but play essential role in modulation of gene expression. At transcriptional level, different ncRNAs like lncRNAs, miRNAs and circRNAs directly or indirectly affect different stages of autophagy like autophagy-dependent and non-apoptotic cell death in cancer cells. This review focuses on the involvement of ncRNAs in autophagy and the modulation of several cancer signal transduction pathways in cancers such as lung, breast, prostate, pancreatic, thyroid, and kidney cancer.
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11
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Sadeghalvad M, Mansouri K, Mohammadi-Motlagh HR, Noorbakhsh F, Mostafaie A, Alipour S, Rezaei N. Long non-coding RNA HOTAIR induces the PI3K/AKT/mTOR signaling pathway in breast cancer cells. REVISTA DA ASSOCIAÇÃO MÉDICA BRASILEIRA 2022; 68:456-462. [DOI: 10.1590/1806-9282.20210966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 11/21/2022]
Affiliation(s)
- Mona Sadeghalvad
- Tehran University of Medical Sciences, Iran; Tehran University of Medical Sciences, Iran
| | | | | | | | | | - Sadaf Alipour
- Tehran University of Medical Sciences, Iran; Tehran University of Medical Sciences, Iran
| | - Nima Rezaei
- Tehran University of Medical Sciences, Iran; Tehran University of Medical Sciences, Iran; Universal Scientific Education and Research Network, Iran
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12
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Zhu YS, Zhu J. Molecular and cellular functions of long non-coding RNAs in prostate and breast cancer. Adv Clin Chem 2022; 106:91-179. [PMID: 35152976 DOI: 10.1016/bs.acc.2021.09.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Long noncoding RNAs (lncRNAs) are defined as noncoding RNA transcripts with a length greater than 200 nucleotides. Research over the last decade has made great strides in our understanding of lncRNAs, especially in the biology of their role in cancer. In this article, we will briefly discuss the biogenesis and characteristics of lncRNAs, then review their molecular and cellular functions in cancer by using prostate and breast cancer as examples. LncRNAs are abundant, diverse, and evolutionarily, less conserved than protein-coding genes. They are often expressed in a tumor and cell-specific manner. As a key epigenetic factor, lncRNAs can use a wide variety of molecular mechanisms to regulate gene expression at each step of the genetic information flow pathway. LncRNAs display widespread effects on cell behavior, tumor growth, and metastasis. They act intracellularly and extracellularly in an autocrine, paracrine and endocrine fashion. Increased understanding of lncRNA's role in cancer has facilitated the development of novel biomarkers for cancer diagnosis, led to greater understanding of cancer prognosis, enabled better prediction of therapeutic responses, and promoted identification of potential targets for cancer therapy.
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Affiliation(s)
- Yuan-Shan Zhu
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Clinical and Translational Science Center, Weill Cornell Medicine, New York, NY, United States.
| | - Jifeng Zhu
- Clinical and Translational Science Center, Weill Cornell Medicine, New York, NY, United States
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13
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Antiproliferative effects of levan polysaccharide against colorectal cancer cells mediated through oxidative stress-stimulated HOTAIR/Akt signaling pathway: In vitro. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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14
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Lu C, Wei D, Zhang Y, Wang P, Zhang W. Long Non-Coding RNAs as Potential Diagnostic and Prognostic Biomarkers in Breast Cancer: Progress and Prospects. Front Oncol 2021; 11:710538. [PMID: 34527584 PMCID: PMC8436618 DOI: 10.3389/fonc.2021.710538] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 08/09/2021] [Indexed: 01/05/2023] Open
Abstract
Breast cancer is the most common malignancy among women worldwide, excluding non-melanoma skin cancer. It is now well understood that breast cancer is a heterogeneous entity that exhibits distinctive histological and biological features, treatment responses and prognostic patterns. Therefore, the identification of novel ideal diagnostic and prognostic biomarkers is of utmost importance. Long non-coding RNAs (lncRNAs) are commonly defined as transcripts longer than 200 nucleotides that lack coding potential. Extensive research has shown that lncRNAs are involved in multiple human cancers, including breast cancer. LncRNAs with dysregulated expression can act as oncogenes or tumor-suppressor genes to regulate malignant transformation processes, such as proliferation, invasion, migration and drug resistance. Intriguingly, the expression profiles of lncRNAs tend to be highly cell-type-specific, tissue-specific, disease-specific or developmental stage-specific, which makes them suitable biomarkers for breast cancer diagnosis and prognosis.
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Affiliation(s)
- Cuicui Lu
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Duncan Wei
- Department of Pharmacy, The First Affiliated Hospital of Medical College of Shantou University, Shantou, China
| | - Yahui Zhang
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Peng Wang
- Department of Pharmacy, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Wen Zhang
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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15
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Qiao Y, Jin T, Guan S, Cheng S, Wen S, Zeng H, Zhao M, Yang L, Wan X, Qiu Y, Li Q, Liu M, Hou Y. Long non-coding RNA Lnc-408 promotes invasion and metastasis of breast cancer cell by regulating LIMK1. Oncogene 2021; 40:4198-4213. [PMID: 34079084 PMCID: PMC8211561 DOI: 10.1038/s41388-021-01845-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 05/02/2021] [Accepted: 05/17/2021] [Indexed: 12/17/2022]
Abstract
Invasion and metastasis are the leading causes of death in patients with breast cancer (BC), and epithelial-mesenchymal transformation (EMT) plays an essential role in this process. Here, we found that Lnc-408, a novel long noncoding RNA (lncRNA), is significantly upregulated in BC cells undergoing EMT and in BC tumor with lymphatic metastases compared with those without lymphatic metastases. Lnc-408 can enhance BC invasion and metastasis by regulating the expression of LIMK1. Mechanistically, Lnc-408 serves as a sponge for miR-654-5p to relieve the suppression of miR-654-5p on its target LIMK1. Knockdown or knockout of Lnc-408 in invasive BC cells clearly decreased LIMK1 levels, and ectopic Lnc-408 in MCF-7 cells increased LIMK1 expression to promote cell invasion. Lnc-408-mediated enhancement of LIMK1 plays a key role in cytoskeletal stability and promotes invadopodium formation in BC cells via p-cofilin/F-actin. In addition, the increased LIMK1 also facilitates the expression of MMP2, ITGB1, and COL1A1 by phosphorylating CREB. In conclusion, our findings reveal that Lnc-408 promotes BC invasion and metastasis via the Lnc-408/miR-654-5p/LIMK1 axis, highlighting a novel promising target for the diagnosis and treatment of BC.
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Affiliation(s)
- Yina Qiao
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Ting Jin
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Shengdong Guan
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Shaojie Cheng
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Siyang Wen
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Huan Zeng
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Maojia Zhao
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Liping Yang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Xueying Wan
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Yuxiang Qiu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Qiao Li
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Manran Liu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Yixuan Hou
- Experimental Teaching & Lab Management Center, Chongqing Medical University, Chongqing, China.
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16
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Antiproliferative effect of cryptotanshinone against human non-small cell lung cancer cells through inactivation of lncRNA HOTAIR /p-Akt signaling pathway. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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17
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Shi Y, Huang Q, Kong X, Zhao R, Chen X, Zhai Y, Xiong L. Current Knowledge of Long Non-Coding RNA HOTAIR in Breast Cancer Progression and Its Application. Life (Basel) 2021; 11:life11060483. [PMID: 34073224 PMCID: PMC8230351 DOI: 10.3390/life11060483] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/22/2021] [Accepted: 05/23/2021] [Indexed: 01/17/2023] Open
Abstract
Breast cancer is one of the most devastating cancers with high morbidity and mortality in females worldwide. Breast tumorigenesis and further development present great uncertainty and complexity, and efficient therapeutic approaches still lack. Accumulating evidence indicates HOX transcript antisense intergenic RNA (HOTAIR) is dysregulated in cancers and has emerged as a novel hotspot in the field. In breast cancer, aberrant HOTAIR expression is responsible for advanced tumor progression by regulating multifarious signaling pathways. Besides, HOTAIR may act as competitive endogenous RNA to bind to several microRNAs and suppress their expressions, which can subsequently upregulate the levels of targeted downstream messenger RNAs, thereby leading to further cancer progression. In addition, HOTAIR works as a promising biomarker and predictor for breast cancer patients’ diagnosis or outcome prediction. Recently, HOTAIR is potentially considered to be a drug target. Here, we have summarized the induction of HOTAIR in breast cancer and its impacts on cell proliferation, migration, apoptosis, and therapeutic resistance, as well as elucidating the underlying mechanisms. This review aims to provide new insights into investigations between HOTAIR and breast cancer development and inspire new methods for studying the association in depth.
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Affiliation(s)
- Yubo Shi
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Qingyun Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
| | - Xinyu Kong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Ruichen Zhao
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Xinyue Chen
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Yujia Zhai
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Lixia Xiong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.S.); (Q.H.); (X.K.); (R.Z.); (X.C.); (Y.Z.)
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China
- Correspondence: ; Tel.: +86-791-8636-0556
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18
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Su Y, Zhou L, Yu Q, Lu J, Liu W. Long Non-Coding RNA LOC648987 Promotes Proliferation and Metastasis of Renal Cell Carcinoma by Regulating Epithelial-Mesenchymal Transition. Technol Cancer Res Treat 2021; 20:1533033821997834. [PMID: 33858283 PMCID: PMC8053825 DOI: 10.1177/1533033821997834] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Renal cell carcinoma (RCC) is a type of urinary tumor with a high incidence and is often associated with tumor metastasis. Long non-coding RNA (lncRNA) regulates tumorigenesis, progression, and metastasis. However, the role and the predictive value of lncRNA in RCC progression and metastasis have not been elucidated. The purpose of this study was to evaluate the effect of a newly discovered lncRNA LOC648987 on RCC proliferation and metastasis. LOC648987 was identified by RT-PCR for high expression in human RCC tissues as well as in metastatic RCC tissues. In the cell experiments, we infected the RCC cell lines ACHN and 786-O cells with LOC648987-shRNA and its negative control (shNC). The results showed that the knockdown of LOC648987 inhibited the proliferation of ACHN and 786-O cells and colony formation. The cell cycle and the apoptosis progression of ACHN and 786-O cells were assessed using flow cytometry. The knockdown of LOC648987 significantly inhibited the progression of ACHN and 786-O cells from G0/G1 to S phase and promoted cell apoptosis. The metastasis promoting effects of LOC648987 on ACHN and 786-O cells were verified by transwell migration assays, which depended on vimentin and MMP-9 to regulate the epithelial-mesenchymal transition. Finally, the promotion of LOC648987 on RCC tumorigenesis was evaluated in BALb/c nude mice. These data confirmed that lncRNA LOC648987 promoted RCC cell proliferation and tumor metastasis and regulated the expression of EMT-related proteins in RCC cells.
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Affiliation(s)
- Yaowu Su
- Department of Urinary Surgery, Ningbo Beilun People's Hospital, Ningbo, Zhejiang, China
| | - Liang Zhou
- Department of Urinary Surgery, Ningbo Beilun People's Hospital, Ningbo, Zhejiang, China
| | - Qin Yu
- Department of Urinary Surgery, Ningbo Beilun People's Hospital, Ningbo, Zhejiang, China
| | - Jianjun Lu
- Department of Urinary Surgery, Ningbo Beilun People's Hospital, Ningbo, Zhejiang, China
| | - Wei Liu
- Department of General Practice, Ningbo Beilun People's Hospital, Ningbo, Zhejiang, China
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19
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Chen L, Qian X, Wang Z, Zhou X. The HOTAIR lncRNA: A remarkable oncogenic promoter in human cancer metastasis. Oncol Lett 2021; 21:302. [PMID: 33732378 PMCID: PMC7905531 DOI: 10.3892/ol.2021.12563] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 12/23/2020] [Indexed: 12/19/2022] Open
Abstract
Long non-coding RNA (lncRNA) is a new type of non-coding RNA that has an important regulatory influence on several human diseases, including cancer metastasis. HOX antisense intergenic RNA (HOTAIR), a newly discovered lncRNA, has an important effect on tumour proliferation, migration and metastasis. HOTAIR regulates cell proliferation, changes gene expression, and promotes tumour cell invasion and migration. However, its molecular mechanism of action remains unknown. The present review summarizes the molecular mechanism and role of HOTAIR in tumour invasion and metastasis, discusses the association between HOTAIR and tumour metastasis through different pathways, such as the transforming growth factor β, Wnt/β-catenin, PI3K/AKT/MAPK and vascular endothelial growth factor pathways, emphasizes the function of HOTAIR in human malignant tumour metastasis and provides a foundation for its application in the diagnosis, prognosis and medical treatment of various tumours.
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Affiliation(s)
- Lili Chen
- Department of Medical Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Xinle Qian
- Department of Medical Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Zhongqi Wang
- Department of Medical Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Xiqiu Zhou
- Department of Medical Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
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20
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Tan J, Sun M, Luo Q, Sun H, Wang M, Jiang C, Li S, He Y. Arsenic exposure increased expression of HOTAIR and LincRNA-p21 in vivo and vitro. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:587-596. [PMID: 32816178 DOI: 10.1007/s11356-020-10487-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 08/10/2020] [Indexed: 06/11/2023]
Abstract
Arsenic is an environmental contaminant, its multiple effects on human tend to increase the rate of disease, cancer and other health problems. Some of long non-coding RNAs (lncRNAs) can be induced in major cellular processes such as necrosis, proliferation, and mutation. While the toxicity of arsenic is well established, the association between arsenic exposure and long non-coding RNAs has not been studied enough. This study investigated the association between arsenic and the expression of HOTAIR and LincRNA-p21 in vivo and vitro. In epidemiological studies, the expression of HOTAIR and LincRNA-p21 was increased after long-term arsenic exposure. HOTAIR and LincRNA-p21 expression were positively linked to monomethylarsenic acid (MMA), dimethylarsenic acid (DMA), inorganic arsenic (iAs), total arsenic (tAs), and MMA% and negatively linked to secondary methylation index (SMI). In A549 cells, arsenic exposure resulted in enhanced HOTAIR and LincRNA-p21 expression dose-dependently. The expression of HOTAIR was considerably high in the presence of NaAsO2 and MMA but showed no difference in DMA compared with control group. And LincRNA-p21 expression was increased in the presence of NaAsO2, MMA, and DMA. The expression of HOTAIR and LincRNA-p21 induced by iAs was much higher than that induced by MMA and DMA. Compared with the control group, treatment of A549 cells with NaAsO2/S-adenosylmethionine (SAM) and NaAsO2/glutathione (GSH) combination increased HOTAIR and LincRNA-p21 expression. The expression of LincRNA-p21 in combination of NaAsO2/GSH was significantly decreased compared with NaAsO2 alone. Besides, in the presence of arsenic, both of HOTAIR and LincRNA-p21 were upregulated significantly when P53 was knocked down. We revealed that inorganic arsenic, its methylated metabolites, and arsenic metabolism efficiency affect the expression of HOTAIR and LincRNA-p21.
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Affiliation(s)
- Jingwen Tan
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Mingjun Sun
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Quan Luo
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Huiwen Sun
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Mengjie Wang
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Chenglan Jiang
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Shuting Li
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China
| | - Yuefeng He
- School of Public Health, Kunming Medical University, No.1168 Chunrongxi Road Chenggong District, Kunming, Yunnan Province, China.
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21
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Wu D, Zhu J, Fu Y, Li C, Wu B. LncRNA HOTAIR promotes breast cancer progression through regulating the miR-129-5p/FZD7 axis. Cancer Biomark 2021; 30:203-212. [PMID: 33104019 DOI: 10.3233/cbm-190913] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Breast cancer is the most common malignancies worldwide. LncRNA HOX transcript antisense intergenic RNA (HOTAIR) has been shown to promote progression and metastasis of various cancers, including breast cancer. This reasearch aimed to investigate the downstream regulatory pathways of HOTAIR in breast cancer. The levels of HOTAIR and miR-129-5p were examined in breast cancer tissues and SKBR3 and MCF7 cells by quantitative real-time PCR (qRT-PCR). Cell proliferation was examined by Cell Counting Kit-8 (CCK-8) assay. Cell migration and invasion were estimated by transwell assay. Epithelial-to-mesenchymal transition (EMT)-related markers (E-cadherin, N-cadherin and Vimentin) were measured by Western blot assay. The expression of Frizzled 7 (FZD7) was detected using qRT-PCR or Western blot assay. Bioinformatics analysis, luciferase reporter assay or RNA Immunoprecipitation (RIP) assay was performed to explore the molecular mechanism of HOTAIR in breast cancer. Xenograft analysis was utilized to evaluate the tumor growth in vivo. HOTAIR and FZD7 were upregulated, while miR-129-5p was down-regulated in breast cancer tissues and cells. Knockdown of miR-129-5p reversed the effect of HOTAIR knockdown on cell proliferation, migration, invasion and EMT. FZD7 restored the inhibition of miR-129-5p on breast cancer progression. Furthermore, HOTAIR was a sponge of miR-129-5p and FZD7 was a target of miR-129-5p. Knockdown of HOTAIR inhibited the tumor growth in vivo. HOTAIR facilitated breast cancer progression by regulating the miR-129-5p/FZD7 axis, indicating that HOTAIR may be a potential biomarker and therapeutic target for breast cancer.
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22
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Ghafouri-Fard S, Dashti S, Farsi M, Taheri M. HOX transcript antisense RNA: An oncogenic lncRNA in diverse malignancies. Exp Mol Pathol 2020; 118:104578. [PMID: 33238156 DOI: 10.1016/j.yexmp.2020.104578] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/11/2020] [Accepted: 11/20/2020] [Indexed: 12/11/2022]
Abstract
HOX transcript antisense RNA (HOTAIR) is a transcript produced from the antisense strand of the HOXC gene cluster and influencing expression of genes from the HOXD locus. HOTAIR has prominent roles in different aspects of carcinogenic process from cancer initiation to metastasis. A number of in vitro, in vivo and human investigations have confirmed the oncogenic impacts of HOTAIR. The diagnostic power of HOTAIR in distinguishing cancer status from healthy status has been optimal in gastric cancer, pancreatic adenocarcinoma and colorectal cancer. The most important achievement in this regard has been provided by studies that verified diagnostic value of this lncRNA in the serum samples, potentiating its application in non-invasive diagnosis of cancer. Moreover, HOTAIR has a crucial role in determination of response of cancer cells to therapeutic modalities. The current review aims to explain the outlines of these studies to emphasize its potential as a biomarker and therapeutic target for these conditions.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sepideh Dashti
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Molood Farsi
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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23
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The roles of long noncoding RNAs in breast cancer metastasis. Cell Death Dis 2020; 11:749. [PMID: 32929060 PMCID: PMC7490374 DOI: 10.1038/s41419-020-02954-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/19/2020] [Accepted: 08/27/2020] [Indexed: 02/07/2023]
Abstract
Breast cancer is the most significant threat to female health. Breast cancer metastasis is the major cause of mortality in breast cancer patients. To fully unravel the molecular mechanisms that underlie the breast cancer cell metastasis is critical for developing strategies to improve survival and prognosis in breast cancer patients. Recent studies have revealed that the long noncoding RNAs (lncRNAs) are involved in breast cancer metastasis through a variety of molecule mechanisms, though the precise functional details of these lncRNAs are yet to be clarified. In the present review, we focus on the functions of lncRNAs in breast cancer invasion and metastasis, with particular emphasis on the functional properties, the regulatory factors, the therapeutic promise, as well as the future challenges in studying these lncRNA.
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24
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Shi W, Hu D, Lin S, Zhuo R. Five-mRNA Signature for the Prognosis of Breast Cancer Based on the ceRNA Network. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9081852. [PMID: 32964046 PMCID: PMC7486635 DOI: 10.1155/2020/9081852] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 07/30/2020] [Indexed: 12/29/2022]
Abstract
BACKGROUND The purpose of this study was to investigate the regulatory mechanisms of ceRNAs in breast cancer (BC) and construct a new five-mRNA prognostic signature. METHODS The ceRNA network was constructed by different RNAs screened by the edgeR package. The BC prognostic signature was built based on the Cox regression analysis. The log-rank method was used to analyse the survival rate of BC patients with different risk scores. The expression of the 5 genes was verified by the GSE81540 dataset and CPTAC database. RESULTS A total of 41 BC-adjacent tissues and 473 BC tissues were included in this study. A total of 2,966 differentially expressed lncRNAs, 5,370 differentially expressed mRNAs, and 359 differentially expressed miRNAs were screened. The ceRNA network was constructed using 13 lncRNAs, 267 mRNAs, and 35 miRNAs. Kaplan-Meier (K-M) methods showed that two lncRNAs (AC037487.1 and MIR22HG) are related to prognosis. Five mRNAs (VPS28, COL17A1, HSF1, PUF60, and SMOC1) in the ceRNA network were used to establish a prognostic signature. Survival analysis showed that the prognosis of patients in the low-risk group was significantly better than that in the high-risk group (p = 0.0022). ROC analysis showed that this signature has a good diagnostic ability (AUC = 0.77). Compared with clinical features, this signature was also an independent prognostic factor (HR: 1.206, 95% CI 1.108-1.311; p < 0.001). External verification results showed that the expression of the 5 mRNAs differed between the normal and tumour groups at the chip and protein levels (p < 0.001). CONCLUSIONS These ceRNAs may play a key role in the development of BC, and the new 5-mRNA prognostic signature can improve the prediction of survival for BC patients.
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Affiliation(s)
- Wenjie Shi
- Department of Breast Surgery, Guilin TCM Hospital of China, Affiliated to Guang Xi University of Chinese Medicine, Guilin, 541000 Guangxi, China
| | - Daojun Hu
- Department of Clinical Laboratory, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Chongming Branch, Shanghai 202150, China
| | - Sen Lin
- Department of Breast Surgery, Guilin TCM Hospital of China, Affiliated to Guang Xi University of Chinese Medicine, Guilin, 541000 Guangxi, China
| | - Rui Zhuo
- Department of Breast Surgery, Guilin TCM Hospital of China, Affiliated to Guang Xi University of Chinese Medicine, Guilin, 541000 Guangxi, China
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25
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Ye L, Zhu L, Wang J, Li F. Inhibition of vitamin D analog eldecalcitol on hepatoma in vitro and in vivo. Open Med (Wars) 2020; 15:663-671. [PMID: 33336024 PMCID: PMC7712092 DOI: 10.1515/med-2020-0137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/14/2020] [Accepted: 06/09/2020] [Indexed: 02/07/2023] Open
Abstract
Hepatoma is a serious liver cancer with high morbidity and mortality. Eldecalcitol (ED-71), a vitamin D analog, is extensively used as anti-cancer agent in vitro. Hepatocellular carcinoma cell, SMMC-7721 cell lines were used in this study. Transwell assay, cell apoptosis and cell cycle detection assays were investigated after treatment with ED-71 and phosphate buffered saline (PBS) as control. Sizes of tumors were measured after ED-71 treatment in a mouse model. E-cadherin and Akt gene expressions were detected by real-time PCR (RT-PCR). The results showed that cell invasion and migration were decreased markedly after ED-71 treatment compared to control group. Cell cycle detection showed that the G2 stage was 13.18% and total S-stage was 41.16% in the ED-71 group and G2 stage: 22.88%, total S-stage: 27.34% in the control group. Cell apoptosis rate was promoted in the ED-71 group. Size of the tumors reduced more after the ED-71 treatment than the PBS treatment in mice. ED-71 markedly inhibited the expression of Akt and E-cadherin, either detected by immunohistochemistry or RT-PCR. ED-71 treatment can inhibit the hepatoma agent proliferation by increasing the E-cadherin expression and decreasing Akt expression. Therefore, these findings provide novel evidence that ED-71 can be used as an anti-hepatoma agent.
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Affiliation(s)
- Limin Ye
- Department of Gastroenterology, People's Hospital of Guizhou Province, No. 83, Zhongshan East Road, Nanming District, Guiyang, Guizhou 550002, China
| | - Liyi Zhu
- Department of Gastroenterology, People's Hospital of Guizhou Province, No. 83, Zhongshan East Road, Nanming District, Guiyang, Guizhou 550002, China
| | - Jinglin Wang
- Department of Gastroenterology, People's Hospital of Guizhou Province, No. 83, Zhongshan East Road, Nanming District, Guiyang, Guizhou 550002, China
| | - Fei Li
- Department of Gastroenterology, People's Hospital of Guizhou Province, No. 83, Zhongshan East Road, Nanming District, Guiyang, Guizhou 550002, China
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Zhao L, Chen T, Tang X, Li S, Liang R, Wang Y. Medulloblastoma malignant biological behaviors are associated with HOTAIR/miR-483-3p/CDK4 axis. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:886. [PMID: 32793730 PMCID: PMC7396793 DOI: 10.21037/atm-20-5006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/10/2020] [Indexed: 11/06/2022]
Abstract
BACKGROUND Medulloblastoma is the most common malignant brain tumor in children. Although the 5-year survival rate is high, patients with relapsed medulloblastoma have a guarded prognosis. HOX transcript antisense RNA (HOTAIR) has been proved to be related to the metastasis of various tumors. Therefore, the molecular mechanism of HOTAIR in medulloblastoma cells was investigated in this study. METHODS HOTAIR was stably silenced in medulloblastoma cells (Daoy and D341). Cell proliferation and apoptosis were detected by 5'-Bromo-2'-deoxyuridine (BrdU) staining, Hoechst 33342 staining, immunohistochemical (IHC), Terminal-deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) and flow cytometry, respectively. The targeted relationship between HOTAIR/Cyclin-dependent kinase 4 (CDK4) and miR-483-3p were predicted by bioinformatics and confirmed by luciferase reporter assay. Balb/C nude mice were inoculated with shRNA-HOTAIR transfected Daoy cells. RESULTS We found that the down-regulation of HOTAIR inhibited proliferation and induced apoptosis. Sh-RNA-HOTAIR also inhibited the expression of CKD4. The CDK4 dependent increase of cell proliferation and decrease of cell apoptosis were reversed by shRNA-HOTAIR. Finally, a xenograft model of medulloblastoma in nude mice was built, and the effect of shRNA-HOTAIR on the growth of tumors was analyzed by RT-PCR, immunofluorescence staining, and TUNEL staining. The data suggested interference of HOTAIR inhibited the growth, tumor weight, cell proliferation, and promoted cell apoptosis. CONCLUSIONS Our study altogether demonstrated HOTAIR influence cell proliferation and apoptosis by regulation of miR-483-3p and CDK4 in medulloblastoma cells. HOTAIR can be used as a candidate for potential applications in the treatment of medulloblastoma.
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Affiliation(s)
- Long Zhao
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Tao Chen
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
- Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China
| | - Xiaoping Tang
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Shun Li
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Ruofei Liang
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yuanchuan Wang
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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Yuan C, Ning Y, Pan Y. Emerging roles of HOTAIR in human cancer. J Cell Biochem 2020; 121:3235-3247. [PMID: 31943306 DOI: 10.1002/jcb.29591] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 12/11/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Chunjue Yuan
- Department of Laboratory MedicineZhongnan Hospital of Wuhan University, Wuhan University Wuhan Hubei China
- School of Laboratory MedicineHubei University of Chinese Medicine Wuhan China
| | - Yong Ning
- School of Laboratory MedicineHubei University of Chinese Medicine Wuhan China
| | - Yunbao Pan
- Department of Laboratory MedicineZhongnan Hospital of Wuhan University, Wuhan University Wuhan Hubei China
- Center for Gene DiagnosisZhongnan Hospital of Wuhan University, Wuhan University Wuhan Hubei China
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Wu L, Shi Y, Liu B, Zhao M. Expression of lncRNA-HOTAIR in the serum of patients with lymph node metastasis of papillary thyroid carcinoma and its impact. Oncol Lett 2020; 20:907-913. [PMID: 32566019 PMCID: PMC7285833 DOI: 10.3892/ol.2020.11620] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 01/22/2020] [Indexed: 12/27/2022] Open
Abstract
The present study aimed to investigate the expression of long non-coding HOX transcript antisense RNA (lncRNA-HOTAIR) in the serum of patients with lymph node metastasis of papillary thyroid carcinoma (PTC) and the underlying mechanism. A total of 89 patients with PTC at Beijing Geriatric Hospital were recruited in this study. Based on the results of color Doppler ultrasound examination, the patients were evaluated for cervical lymph node metastases, and were thereby divided into a metastasis-negative group and a metastasis-positive group. Quantitative fluorescent PCR was used to assess the expression of HOTAIR in serum samples. The PTC cell line TPC-1 was randomly divided into a control and siRNA group. The control group was transfected with a nonsense sequence, while the siRNA group was transfected with si-HOTAIR. After transfection, cell proliferation was evaluated using the MTT assay, and cell migration and invasion were assessed using the cell scratch assay and Transwell assay. Expression levels of vimentin, E-cadherin and proteins associated with the Wnt/β-catenin signaling pathway were assessed using western blot analysis. Based on the results of the ultrasound examination, 53 patients were allocated to the metastasis-negative group, and 36 to the metastasis-positive group. The expression level of lncRNA-HOTAIR was higher in the metastasis-positive group than that in the metastasis-negative group (P<0.05). Compared with the control group, cell proliferation was reduced while cell migration rate and the number of migrating cells were increased in the siRNA group. Compared with the control group, the expression levels of WIF1 and E-cadherin were significantly increased, while the levels of β-catenin and vimentin were significantly decreased. In conclusion, lncRNA-HOTAIR is overexpressed in the serum of patients with lymph node metastasis of PTC. In vitro experiments showed that HOTAIR promoted the proliferation and metastasis of PTC cells by regulating epithelial-mesenchymal transition (EMT) mediated by the Wnt/catenin pathway. Thus, lncRNA-HOTAIR is proposed as a molecular target for the treatment of lymph node metastasis of PTC.
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Affiliation(s)
- Lan Wu
- Department of Ultrasound, Beijing Geriatric Hospital, Beijing 100095, P.R. China
| | - Yanqing Shi
- Department of Ultrasound, Beijing Geriatric Hospital, Beijing 100095, P.R. China
| | - Baoguo Liu
- Head and Neck Surgery, Beijing Cancer Hospital, Beijing 100142, P.R. China
| | - Mengting Zhao
- Department of Ultrasound, Beijing Geriatric Hospital, Beijing 100095, P.R. China
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The emerging role of the long non-coding RNA HOTAIR in breast cancer development and treatment. J Transl Med 2020; 18:152. [PMID: 32245498 PMCID: PMC7119166 DOI: 10.1186/s12967-020-02320-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 03/27/2020] [Indexed: 01/17/2023] Open
Abstract
Despite considering vast majority of the transcribed molecules as merely noise RNA in the last decades, recent advances in the field of molecular biology revealed the mysterious role of long non-coding RNAs (lncRNAs), as a massive part of functional non-protein-coding RNAs. As a crucial lncRNA, HOX antisense intergenic RNA (HOTAIR) has been shown to participate in different processes of normal cell development. Aberrant overexpression of this lncRNA contributes to breast cancer progression, through different molecular mechanisms. In this review, we briefly discuss the structure of HOTAIR in the context of genome and impact of this lncRNA on normal human development. We subsequently summarize the potential role of HOTAIR overexpression on different processes of breast cancer development. Ultimately, the relationship of this lncRNA with different therapeutic approaches is discussed.
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Rajagopal T, Talluri S, Akshaya R, Dunna NR. HOTAIR LncRNA: A novel oncogenic propellant in human cancer. Clin Chim Acta 2020; 503:1-18. [DOI: 10.1016/j.cca.2019.12.028] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 12/27/2019] [Accepted: 12/30/2019] [Indexed: 02/08/2023]
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Blockage of HOTAIR Reduced Cell Proliferation in Human Ovarian Cancer Cells Through Upregulation of AKT2. INDIAN JOURNAL OF GYNECOLOGIC ONCOLOGY 2019. [DOI: 10.1007/s40944-019-0333-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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32
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Huang QY, Liu GF, Qian XL, Tang LB, Huang QY, Xiong LX. Long Non-Coding RNA: Dual Effects on Breast Cancer Metastasis and Clinical Applications. Cancers (Basel) 2019; 11:E1802. [PMID: 31744046 PMCID: PMC6896003 DOI: 10.3390/cancers11111802] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/10/2019] [Accepted: 11/12/2019] [Indexed: 12/24/2022] Open
Abstract
As a highly heterogeneous malignancy, breast cancer (BC) has become the most significant threat to female health. Distant metastasis and therapy resistance of BC are responsible for most of the cases of mortality and recurrence. Distant metastasis relies on an array of processes, such as cell proliferation, epithelial-to-mesenchymal transition (EMT), mesenchymal-to-epithelial transition (MET), and angiogenesis. Long non-coding RNA (lncRNA) refers to a class of non-coding RNA with a length of over 200 nucleotides. Currently, a rising number of studies have managed to investigate the association between BC and lncRNA. In this study, we summarized how lncRNA has dual effects in BC metastasis by regulating invasion, migration, and distant metastasis of BC cells. We also emphasize that lncRNA has crucial regulatory effects in the stemness and angiogenesis of BC. Clinically, some lncRNAs can regulate chemotherapy sensitivity in BC patients and may function as novel biomarkers to diagnose or predict prognosis for BC patients. The exact impact on clinical relevance deserves further study. This review can be an approach to understanding the dual effects of lncRNAs in BC, thereby linking lncRNAs to quasi-personalized treatment in the future.
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Affiliation(s)
- Qi-Yuan Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Q.-Y.H.); (X.-L.Q.); (L.-B.T.); (Q.-Y.H.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Guo-Feng Liu
- First Clinical Medical College, Nanchang University, Nanchang 330006, China;
| | - Xian-Ling Qian
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Q.-Y.H.); (X.-L.Q.); (L.-B.T.); (Q.-Y.H.)
- First Clinical Medical College, Nanchang University, Nanchang 330006, China;
| | - Li-Bo Tang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Q.-Y.H.); (X.-L.Q.); (L.-B.T.); (Q.-Y.H.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Qing-Yun Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Q.-Y.H.); (X.-L.Q.); (L.-B.T.); (Q.-Y.H.)
| | - Li-Xia Xiong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Q.-Y.H.); (X.-L.Q.); (L.-B.T.); (Q.-Y.H.)
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China
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Wu X, Chen S, Lu C. Amyloid precursor protein promotes the migration and invasion of breast cancer cells by regulating the MAPK signaling pathway. Int J Mol Med 2019; 45:162-174. [PMID: 31746365 PMCID: PMC6889931 DOI: 10.3892/ijmm.2019.4404] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 10/07/2019] [Indexed: 01/30/2023] Open
Abstract
To verify whether amyloid precursor protein (APP) affects the migration and invasion of breast cancer cell lines, and to understand its underlying mechanisms, epithelial-mesenchymal transition (EMT), the mitogen-activated protein kinase (MAPK) signaling pathway and the matrix metalloproteinase (MMP) family were investigated in MDA-MB-231, MCF-7 and BT474 human breast cancer cells. Breast cancer cell lines were transfected with plasmids containing APP coding sequences (pEGFP-n1-APP) and APP short hairpin RNA (pENTR APP shRNA). APP overexpres-sion efficiency, knockout efficiency and the expression levels of related genes were tested using reverse transcription-quantitative PCR (RT-qPCR) and western blot analyses. The effects of APP and mitogen-activated protein kinase kinase (MEK) inhibitor on cell migration and invasion were examined using Transwell assays. The results demonstrated that APP was significantly upregulated in the pEGFP-n1-APP group (P<0.05), and significantly downregulated in the pENTR APP shRNA group (P<0.05), compared with the control group. APP overexpression increased the migratory and invasive ability of human breast cancer cells (P<0.05), whereas APP silencing significantly inhibited cell migration and invasion (P<0.05). RT-qPCR and western blot analysis results suggested that APP overexpression significantly increased the expression of MMP-9, MMP-2, MMP-3, N-cadherin and vimentin (P<0.05). In addition, the enhanced expression of APP markedly affected the phosphorylation of mitogen-activated protein kinase kinase kinase 11 (MLK3), mitogen-activated protein kinase kinase 4 (MEK4) and mitogen-activated protein kinase 10 (JNK3; P<0.05). Additionally, APP overexpression had no effect on the total expression levels of MLK3, MEK4, and JNK3; however, APP overexpression significantly decreased the expression levels of E-cadherin and cytokeratin (P<0.05). Conversely, APP silencing had the opposite effects. When cells were treated with the MEK inhibitor PD0325901, the expression of APP was not altered, nor was the expression levels of MEK and its upstream signaling molecules. Taken together, the present findings suggested that APP could affect the migration and invasion of human breast cancer cells by mediating the activation of the MAPK signaling pathway, thereby promoting the EMT process.
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Affiliation(s)
- Xiong Wu
- Three Departments of General Surgery, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian 363000, P.R. China
| | - Shuanglong Chen
- Department of Breast Surgery, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361001, P.R. China
| | - Chuanhui Lu
- Department of Gastrointestinal Surgery, Cancer Hospital, The First Affiliated Hospital of Xiamen University, Teaching Hospital of Fujian Medical University, Xiamen, Fujian 361001, P.R. China
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Yu GJ, Sun Y, Zhang DW, Zhang P. Long non-coding RNA HOTAIR functions as a competitive endogenous RNA to regulate PRAF2 expression by sponging miR-326 in cutaneous squamous cell carcinoma. Cancer Cell Int 2019; 19:270. [PMID: 31649487 PMCID: PMC6805682 DOI: 10.1186/s12935-019-0992-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 10/14/2019] [Indexed: 12/31/2022] Open
Abstract
Background LncRNAs may exert a regulatory effect in tumorigenesis. Although the expression of lncRNA HOTAIR has been confirmed to be notably elevated in the tissues of CSCC, its biological mechanism in CSCC is still unknown. Methods HOTAIR expression level in CSCC cell lines was monitored via qRT-PCR. Then CCK-8 assay, Transwell assay and EdU assay were adopted to detect cell migration and proliferation. Meanwhile, through bioinformatics analysis and luciferase reporter gene detection, a new target of HOTAIR was identified. Additionally, Western blotting and RIP analysis were adopted to discuss the possible mechanism. Results HOTAIR expression in CSCC cell lines exhibited an obvious elevation. Cell function analysis revealed that HOTAIR overexpression remarkably facilitated CSCC cell migration, proliferation and EMT process, which were impeded by down-regulation of HOTAIR. Furthermore, HOTAIR competitively bound to miR-326, so as to positively modulate miR-326 expression. Conclusions These results present that HOTAIR, as a ceRNA, regulates PRAF2 expression by competitive binding to miR-326 during CSCC.
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Affiliation(s)
- Guo-Jun Yu
- 1Department of Burn and Plastic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Xi Road, Huaian, 223300 Jiangsu China
| | - Yong Sun
- 1Department of Burn and Plastic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Xi Road, Huaian, 223300 Jiangsu China
| | - Da-Wei Zhang
- 1Department of Burn and Plastic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Xi Road, Huaian, 223300 Jiangsu China
| | - Peng Zhang
- 2Department of ICU, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu China
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Arshi A, Raeisi F, Mahmoudi E, Mohajerani F, Kabiri H, Fazel R, Zabihian-Langeroudi M, Jusic A. A Comparative Study of HOTAIR Expression in Breast Cancer Patient Tissues and Cell Lines. CELL JOURNAL 2019; 22:178-184. [PMID: 31721532 PMCID: PMC6874785 DOI: 10.22074/cellj.2020.6543] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 02/25/2019] [Indexed: 12/19/2022]
Abstract
Objective Recent data suggest that increased levels of the HOTAIR long non-coding RNA (lncRNA) are involved in
the development of various types of malignancy, including breast cancer. The aim of present study was to investigate
HOTAIR lncRNA expression profile in breast cancer (BC) patients and cell lines.
Materials and Methods In this experimental study, expression level of HOTAIR lncRNA was evaluated in BC and
normal tissues of 15 patients as well as MDA-MB-231, MCF-7 and MCF-10A cell lines, using quantitative reverse-
transcription polymerase chain reaction (qRT-PCR). HOTAIR lncRNA expression levels were estimated using 2-ΔΔCt
method. Further, receiver operating characteristic (ROC) curve analysis was done to evaluate the selected lncRNA
diagnostic potential. The Cox’s proportional hazards regression model was performed to evaluate the predictive value
of this lncRNA level in BC patients.
Results The results of present study demonstrated no significant difference in the expression of HOTAIR lncRNA in
MCF7 and MDA-MB-231 cancer cell lines compared to MCF-10A as normal cell line (P>0.05). However, we observed
a significantly increase in the expression of HOTAIR in BC patients compared to normal tissues (P<0.001). Significant
associations were found between gene expression and tumour size and margin. We found 91.1% sensitivity and 95.7%
specificity of circulating HOTAIR with an area under the ROC curve of 0.969. The Kaplan-Meier analysis indicated
significant correlation between HOTAIR expression and overall survival.
Conclusion This study demonstrated that expression of HOTAIR is increased in BC and might be associated with its
progression. According to these findings, HOTAIR expression could be proposed as biomarkers for BC early diagnosis and
prognosis.
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Affiliation(s)
- Asghar Arshi
- Young Researchers and Elite Club, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Farzaneh Raeisi
- Young Researchers and Elite Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.,Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Esmaeil Mahmoudi
- Young Researchers and Elite Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Fatemeh Mohajerani
- Department of Genetics, Faculty of Modern Medical Science, Islamic Azad University of Medical Sciences of Tehran, Tehran, Iran
| | - Hamidreza Kabiri
- Young Researchers and Elite Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Razieh Fazel
- Student Research Committee, Jahrom University of Medical Sciences, Jahrom, Iran
| | | | - Amela Jusic
- Department of Biology, Faculty of Natural Sciences and Mathematics, University of Tuzla, Tuzla, Bosnia and Herzegovina. Electronic Address:
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Chi Y, Wang D, Wang J, Yu W, Yang J. Long Non-Coding RNA in the Pathogenesis of Cancers. Cells 2019; 8:cells8091015. [PMID: 31480503 PMCID: PMC6770362 DOI: 10.3390/cells8091015] [Citation(s) in RCA: 519] [Impact Index Per Article: 103.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/25/2019] [Accepted: 08/29/2019] [Indexed: 12/24/2022] Open
Abstract
The incidence and mortality rate of cancer has been quickly increasing in the past decades. At present, cancer has become the leading cause of death worldwide. Most of the cancers cannot be effectively diagnosed at the early stage. Although there are multiple therapeutic treatments, including surgery, radiotherapy, chemotherapy, and targeted drugs, their effectiveness is still limited. The overall survival rate of malignant cancers is still low. It is necessary to further study the mechanisms for malignant cancers, and explore new biomarkers and targets that are more sensitive and effective for early diagnosis, treatment, and prognosis of cancers than traditional biomarkers and methods. Long non-coding RNAs (lncRNAs) are a class of RNA transcripts with a length greater than 200 nucleotides. Generally, lncRNAs are not capable of encoding proteins or peptides. LncRNAs exert diverse biological functions by regulating gene expressions and functions at transcriptional, translational, and post-translational levels. In the past decade, it has been demonstrated that the dysregulated lncRNA profile is widely involved in the pathogenesis of many diseases, including cancer, metabolic disorders, and cardiovascular diseases. In particular, lncRNAs have been revealed to play an important role in tumor growth and metastasis. Many lncRNAs have been shown to be potential biomarkers and targets for the diagnosis and treatment of cancers. This review aims to briefly discuss the latest findings regarding the roles and mechanisms of some important lncRNAs in the pathogenesis of certain malignant cancers, including lung, breast, liver, and colorectal cancers, as well as hematological malignancies and neuroblastoma.
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Affiliation(s)
- Yujing Chi
- Department of Central Laboratory & Institute of Clinical Molecular Biology, Peking University People's Hospital, Beijing 100044, China
| | - Di Wang
- Department of Central Laboratory & Institute of Clinical Molecular Biology, Peking University People's Hospital, Beijing 100044, China
| | - Junpei Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
- Key Laboratory of Cardiovascular Science of the Ministry of Education, Center for Non-coding RNA Medicine, Beijing 100191, China
| | - Weidong Yu
- Department of Central Laboratory & Institute of Clinical Molecular Biology, Peking University People's Hospital, Beijing 100044, China
| | - Jichun Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China.
- Key Laboratory of Cardiovascular Science of the Ministry of Education, Center for Non-coding RNA Medicine, Beijing 100191, China.
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Li Z, Qian J, Li J, Zhu C. Knockdown of lncRNA-HOTAIR downregulates the drug-resistance of breast cancer cells to doxorubicin via the PI3K/AKT/mTOR signaling pathway. Exp Ther Med 2019; 18:435-442. [PMID: 31281438 PMCID: PMC6580102 DOI: 10.3892/etm.2019.7629] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 02/05/2019] [Indexed: 01/06/2023] Open
Abstract
The resistance to chemotherapeutic drugs is a critical feature of breast cancer recurrence and metastasis. Long non-coding RNAs (LncRNAs) serve key roles in tumor drug resistance. LncRNA-HOX transcript antisense RNA (HOTAIR) has been reported to be overexpressed in certain types of cancer and may be closely associated with tumor resistance. The current study aimed to investigate the role of lncRNA-HOTAIR in the regulation of breast cancer resistance to doxorubicin (DOX). A breast cancer cell line (MCF-7) and DOX-resistant breast cancer cell line (DOXR-MCF-7) were utilized in the current study. DOXR-MCF-7 cells were transfected with lncRNA-HOTAIR small interfering RNA (siRNA) and control siRNA. Subsequently, MTT and colony formation assays were performed to assess cell proliferation. Cell apoptosis was also evaluated via flow cytometry. In addition, western blotting and reverse transcription-quantitative polymerase chain reaction were performed to detect the expression of caspase-3, B-cell lymphoma 2, Bcl-2-associated X protein, phosphoinositide 3-kinase (PI3K), protein kinase B (AKT) and mechanistic target of rapamycin (mTOR), and the phosphorylation of PI3K, AKT, and mTOR. The data indicated that lncRNA-HOTAIR silencing decreased cell proliferation and increased apoptosis in MCF-7 and DOXR MCF-7 cells. Furthermore, lncRNA-HOTAIR silencing significantly decreased the phosphorylation of PI3K, AKT and mTOR, indicating that the knockdown of lncRNA-HOTAIR effectively attenuates the resistance of breast cancer cells to DOX by inhibiting the PI3K/AKT/mTOR pathway. In summary, the present study indicated that the knockdown of lncRNA-HOTAIR weakened the resistance of breast cancer cells to DOX via PI3K/AKT/mTOR signaling, suggesting that lncRNA-HOTAIR may be a novel intervention target to reverse DOX-resistance in breast cancer.
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Affiliation(s)
- Zhixiang Li
- Department of Tumor Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Jun Qian
- Department of Tumor Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Jing Li
- Department of Tumor Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Chao Zhu
- Department of Tumor Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
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Liang T, Wang Y, Wang Y, Wang Y. Retracted
: Long noncoding RNA PEG10 facilitates bladder cancer cells proliferation, migration, and invasion via repressing microRNA‐29b. J Cell Physiol 2019; 234:19740-19749. [DOI: 10.1002/jcp.28574] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/07/2019] [Accepted: 03/14/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Tingting Liang
- Cancer Center The First Hospital of Jilin University Changchun Jilin China
| | - Yongkun Wang
- Department of Orthopedics China‐Japan Union Hospital of Jilin University Changchun Jilin China
| | - Yonggang Wang
- Department of Urology China‐Japan Union Hospital of Jilin University Changchun Jilin China
| | - Yao Wang
- Department of Urology China‐Japan Union Hospital of Jilin University Changchun Jilin China
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Sun H, Huang Z, Sheng W, Xu MD. Emerging roles of long non-coding RNAs in tumor metabolism. J Hematol Oncol 2018; 11:106. [PMID: 30134946 PMCID: PMC6104013 DOI: 10.1186/s13045-018-0648-7] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 08/08/2018] [Indexed: 01/17/2023] Open
Abstract
Compared with normal cells, tumor cells display distinct metabolic characteristics. Long non-coding RNAs (lncRNAs), a large class of regulatory RNA molecules with limited or no protein-coding capacity, play key roles in tumorigenesis and progression. Recent advances have revealed that lncRNAs play a vital role in cell metabolism by regulating the reprogramming of the metabolic pathways in cancer cells. LncRNAs could regulate various metabolic enzymes that integrate cell malignant transformation and metabolic reprogramming. In addition to the known functions of lncRNAs in regulating glycolysis and glucose homeostasis, recent studies also implicate lncRNAs in amino acid and lipid metabolism. These observations reveal the high complexity of the malignant metabolism. Elucidating the metabolic-related functions of lncRNAs will provide a better understanding of the regulatory mechanisms of metabolism and thus may provide insights for the clinical development of cancer diagnostics, prognostics and therapeutics.
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Affiliation(s)
- Hui Sun
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
| | - Zhaohui Huang
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Weiqi Sheng
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
| | - Mi-Die Xu
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China. .,Department of Pathology, Tissue bank, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
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Nguyen ED, Balas MM, Griffin AM, Roberts JT, Johnson AM. Global profiling of hnRNP A2/B1-RNA binding on chromatin highlights LncRNA interactions. RNA Biol 2018; 15:901-913. [PMID: 29938567 PMCID: PMC6161681 DOI: 10.1080/15476286.2018.1474072] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 05/02/2018] [Indexed: 01/03/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) often carry out their functions through associations with adaptor proteins. We recently identified heterogeneous ribonucleoprotein (hnRNP) A2/B1 as an adaptor of the human HOTAIR lncRNA. hnRNP A2 and B1 are splice isoforms of the same gene. The spliced version of HOTAIR preferentially associates with the B1 isoform, which we hypothesize contributes to RNA-RNA matching between HOTAIR and transcripts of target genes in breast cancer. Here we used enhanced cross-linking immunoprecipitation (eCLIP) to map the direct interactions between A2/B1 and RNA in breast cancer cells. Despite differing by only twelve amino acids, the A2 and B1 splice isoforms associate preferentially with distinct populations of RNA in vivo. Through cellular fractionation experiments we characterize the pattern of RNA association in chromatin, nucleoplasm, and cytoplasm. We find that a majority of interactions occur on chromatin, even those that do not contribute to co-transcriptional splicing. A2/B1 binding site locations on multiple RNAs hint at a contribution to the regulation and function of lncRNAs. Surprisingly, the strongest A2/B1 binding site occurs in a retained intron of HOTAIR, which interrupts an RNA-RNA interaction hotspot. In vitro eCLIP experiments highlight additional exonic B1 binding sites in HOTAIR which also surround the RNA-RNA interaction hotspot. Interestingly, a version of HOTAIR with the intron retained is still capable of making RNA-RNA interactions in vitro through the hotspot region. Our data further characterize the multiple functions of a repurposed splicing factor with isoform-biased interactions, and highlight that the majority of these functions occur on chromatin-associated RNA.
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Affiliation(s)
- Eric D. Nguyen
- Molecular Biology Program, University of Colorado Denver Anschutz Medical Campus, Aurora, CO, USA
- Department of Biochemistry and Molecular Genetics, Aurora, University of Colorado School of Medicine, CO, USA
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Maggie M. Balas
- Molecular Biology Program, University of Colorado Denver Anschutz Medical Campus, Aurora, CO, USA
- Department of Biochemistry and Molecular Genetics, Aurora, University of Colorado School of Medicine, CO, USA
- University of Colorado School of Medicine RNA Bioscience Initiative, Aurora, CO, USA
| | - April M. Griffin
- Department of Biochemistry and Molecular Genetics, Aurora, University of Colorado School of Medicine, CO, USA
| | - Justin T. Roberts
- Molecular Biology Program, University of Colorado Denver Anschutz Medical Campus, Aurora, CO, USA
- Department of Biochemistry and Molecular Genetics, Aurora, University of Colorado School of Medicine, CO, USA
| | - Aaron M. Johnson
- Molecular Biology Program, University of Colorado Denver Anschutz Medical Campus, Aurora, CO, USA
- Department of Biochemistry and Molecular Genetics, Aurora, University of Colorado School of Medicine, CO, USA
- University of Colorado School of Medicine RNA Bioscience Initiative, Aurora, CO, USA
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Jiang M, Xiao Y, Liu D, Luo N, Gao Q, Guan Y. Overexpression of long noncoding RNA LINC01296 indicates an unfavorable prognosis and promotes tumorigenesis in breast cancer. Gene 2018; 675:217-224. [PMID: 29981416 DOI: 10.1016/j.gene.2018.07.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/20/2018] [Accepted: 07/01/2018] [Indexed: 11/16/2022]
Abstract
Breast cancer (BC) is one of the most common malignancies in female worldwide. Long non-coding RNAs (lncRNAs) play imperative roles in cancer cell initiation and progression. Recently, aberrantly expressed LINC01296 was observed in several malignancies. To the best of our knowledge, its clinical significance and exact effects on BC is still unclear. In this work, the clinical value of LINC01296 was evaluated in patients with BC. Additionally, cell proliferation, apoptosis, migration and invasion capacities were detected after silencing of LINC01296. Furthermore, the xenograft experiment was used to confirm the in vitro results. As a result, LINC01296 is up-regulated in both BC tissue samples and cells. Up-regulated LINC01296 is correlated with larger tumor size, positive lymph node metastasis, and advanced TNM stage of patients with BC. Additionally, Cox regression analysis confirmed LINC01296 as an independent prognostic indicator for patients with BC. For the part of functional assays, silencing of LINC01296 inhibited BC cell growth in vitro and in vivo. Also, cell apoptosis was enhanced after LINC01296 silenced. Moreover, cell migration and invasion potential were both abrogated in the si-LINC01296 groups. Collectively, LINC01296 may function as a potential prognostic predictor and therapeutic target for patients with BC.
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Affiliation(s)
- Min Jiang
- Department of Ultrasound, Third Affiliated Hospital of Qiqihar Medical University, Heilongjiang Province 161000, China.
| | - Yu Xiao
- Department of Physiology, Qiqihar Medical University, Heilongjiang Province 161000, China
| | - Deshui Liu
- Department of Oncomolecularbiology, Medical Research Institute of Qiqihar Medical University, Heilongjiang Province 161000, China
| | - Na Luo
- Department of Ultrasound, Third Affiliated Hospital of Qiqihar Medical University, Heilongjiang Province 161000, China
| | - Qi Gao
- Department of Ultrasound, Third Affiliated Hospital of Qiqihar Medical University, Heilongjiang Province 161000, China
| | - Yueyao Guan
- Department of Ultrasound, Third Affiliated Hospital of Qiqihar Medical University, Heilongjiang Province 161000, China
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Yang Y, Jiang C, Yang Y, Guo L, Huang J, Liu X, Wu C, Zou J. Silencing of LncRNA-HOTAIR decreases drug resistance of Non-Small Cell Lung Cancer cells by inactivating autophagy via suppressing the phosphorylation of ULK1. Biochem Biophys Res Commun 2018; 497:1003-1010. [DOI: 10.1016/j.bbrc.2018.02.141] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 02/15/2018] [Indexed: 02/01/2023]
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Liu S, Lei H, Luo F, Li Y, Xie L. The effect of lncRNA HOTAIR on chemoresistance of ovarian cancer through regulation of HOXA7. Biol Chem 2018; 399:485-497. [PMID: 29455183 DOI: 10.1515/hsz-2017-0274] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 12/08/2017] [Indexed: 11/15/2022]
Abstract
Abstract
This study aimed at investigating the biological functions of long non-coding RNAs (lncRNAs) hox transcript antisense intergenic RNA (HOTAIR) in resistant ovarian cancer cells, exploring the regulation effect of HOTAIR on HOXA7, and investigating their influence on the chemosensitivity of ovarian cancer cells. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied for the verification of HOTAIR expression in resistant and sensitive groups. How HOTAIR downregulation affected cell proliferation, migration and invasion, and apoptosis were determined using the MTT assay and the colony formation assay, the Transwell assay and flow cytometry analysis, respectively. Immunohistochemistry was used to inspect the protein expression of HOXA7 in resistant and sensitive ovarian cancer tissues. The regulation relationship between HOTAIR and HOXA7 was investigated by qRT-PCR and Western blot. The effect of HOTAIR and HOXA7 on tumor growth was confirmed by the tumor xenograft model of nude mice. By knocking down HOXA7, HOTAIR downregulation restrained the ovarian cancer deterioration in functional experiments. Silencing of HOTAIR and HOXA7 could effectively inhibit tumor growth and increase chemosensitivity of ovarian tumors in nude mice. Downregulation of HOTAIR negatively affected the survival and activity of resistant ovarian cancer cells, and suppressed the expression of HOXA7. Silencing of HOTAIR and HOXA7 could increase the chemosensitivity of ovarian cancer cells, thus suppressing tumor development.
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Affiliation(s)
- Siwei Liu
- Department of Obstetrics and Gynecology , Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital , No. 32 Yihuan Road , Chengdu 610072, Sichuan , China
| | - Huajiang Lei
- Department of Obstetrics and Gynecology , Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital , No. 32 Yihuan Road , Chengdu 610072, Sichuan , China
| | - Fangyuan Luo
- Department of Obstetrics and Gynecology , Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital , No. 32 Yihuan Road , Chengdu 610072, Sichuan , China
| | - Yilin Li
- Department of Obstetrics and Gynecology , Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital , No. 32 Yihuan Road , Chengdu 610072, Sichuan , China
| | - Lan Xie
- Department of Obstetrics and Gynecology , Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital , No. 32 Yihuan Road , Chengdu 610072, Sichuan , China
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Latgé G, Poulet C, Bours V, Josse C, Jerusalem G. Natural Antisense Transcripts: Molecular Mechanisms and Implications in Breast Cancers. Int J Mol Sci 2018; 19:ijms19010123. [PMID: 29301303 PMCID: PMC5796072 DOI: 10.3390/ijms19010123] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 12/07/2017] [Accepted: 12/29/2017] [Indexed: 12/13/2022] Open
Abstract
Natural antisense transcripts are RNA sequences that can be transcribed from both DNA strands at the same locus but in the opposite direction from the gene transcript. Because strand-specific high-throughput sequencing of the antisense transcriptome has only been available for less than a decade, many natural antisense transcripts were first described as long non-coding RNAs. Although the precise biological roles of natural antisense transcripts are not known yet, an increasing number of studies report their implication in gene expression regulation. Their expression levels are altered in many physiological and pathological conditions, including breast cancers. Among the potential clinical utilities of the natural antisense transcripts, the non-coding|coding transcript pairs are of high interest for treatment. Indeed, these pairs can be targeted by antisense oligonucleotides to specifically tune the expression of the coding-gene. Here, we describe the current knowledge about natural antisense transcripts, their varying molecular mechanisms as gene expression regulators, and their potential as prognostic or predictive biomarkers in breast cancers.
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Affiliation(s)
- Guillaume Latgé
- Laboratory of Human Genetics, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
| | - Christophe Poulet
- Laboratory of Human Genetics, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
| | - Vincent Bours
- Laboratory of Human Genetics, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
- Center of Genetics, University Hospital (CHU), 4500 Liège, Belgium.
| | - Claire Josse
- Laboratory of Human Genetics, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
- Department of Medical Oncology, University Hospital (CHU), 4500 Liège, Belgium.
- Laboratory of Medical Oncology, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
| | - Guy Jerusalem
- Department of Medical Oncology, University Hospital (CHU), 4500 Liège, Belgium.
- Laboratory of Medical Oncology, GIGA-Institute, University of Liège, 4500 Liège, Belgium.
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Ding W, Ren J, Ren H, Wang D. Long Noncoding RNA HOTAIR Modulates MiR-206-mediated Bcl-w Signaling to Facilitate Cell Proliferation in Breast Cancer. Sci Rep 2017; 7:17261. [PMID: 29222472 PMCID: PMC5722884 DOI: 10.1038/s41598-017-17492-x] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 11/27/2017] [Indexed: 12/15/2022] Open
Abstract
LncRNA HOX transcript antisense RNA (HOTAIR) is involved in lots of cancers. The pro-survival protein Bcl-w is frequently found in cancer development. However, the effect of HOTAIR on Bcl-w in breast cancer is not well documented. In this study, we first evaluated the correlation between HOTAIR level and Bcl-w expression in clinical breast cancer tissues. We observed that the expression levels of Bcl-w were much higher in the breast cancer samples than that in their paired noncancerous tissues. Moreover, the levels of HOTAIR were positively associated with those of Bcl-w in clinical breast cancer samples. As expected, we observed that HOTAIR was able to up-regulate the expression of Bcl-w in breast cancer cells. Mechanistically, we found that miR-206 was capable of inhibiting the expression of Bcl-w by directly binding to the 3′UTR of Bcl-w mRNA. Interestingly, HOTAIR could increase the expression of Bcl-w through sequestering miR-206 at post-transcriptional level. Functionally, our data showed that HOTAIR-induced Bcl-w by miR-206 facilitated the proliferation of breast cancer cells. Thus, we conclude that HOTAIR up-regulates Bcl-w to enhance cell proliferation through sequestering miR-206 in breast cancer. Our finding provides new insights into the mechanism of breast cancer mediated by HOTAIR.
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Affiliation(s)
- Wei Ding
- Department of General Surgery, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Jin Ren
- Department of Respiratory medicine, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Hui Ren
- Department of Colorectal Surgery, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Dan Wang
- Department of Breast Surgery, The Second Hospital of Jilin University, Changchun, 130041, China.
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The Long Noncoding RNA HOTAIR in Breast Cancer: Does Autophagy Play a Role? Int J Mol Sci 2017; 18:ijms18112317. [PMID: 29469819 PMCID: PMC5713286 DOI: 10.3390/ijms18112317] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 10/27/2017] [Accepted: 10/31/2017] [Indexed: 01/17/2023] Open
Abstract
HOTAIR (HOX transcript antisense RNA) plays a critical role in chromatin dynamics through the interaction with histone modifiers resulting in transcriptional gene silencing. The promoter of the HOTAIR gene contains multiple estrogen response elements (EREs) and is transcriptionally activated by estradiol in estrogen receptor-positive breast cancer cells. HOTAIR competes with BRCA1, a critical protein in breast cancer and is a critical regulator of genes involved in epithelial-to-mesenchymal transition. It mediates an oncogenic action of c-Myc, essential for breast carcinogenesis. The carcinogenic action of HOTAIR was confirmed in breast cancer stem-like cells, in which it was essential for self-renewal and proliferation. Several miRNAs regulate the expression of HOTAIR and HOTAIR interacts with many miRNAs to support cancer transformation. Many studies point at miR-34a as a major component of HOTAIR–miRNAs–cancer cross-talk. The most important role of HOTAIR can be attributed to cancer progression as its overexpression stimulates invasion and metastasis. HOTAIR can regulate autophagy, important for breast cancer cells survival, through the interaction with miRNAs specific for autophagy genes and directly with these genes. The role of HOTAIR-mediated autophagy in breast cancer progression can be underlined by its interaction with matrix metalloproteinases, essential for cancer invasion, and β-catenin can be important for this interaction. Therefore, there are several mechanisms of the interplay between HOTAIR and autophagy important for breast cancer, but further studies are needed to determine more details of this interplay.
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Identifying Novel Glioma-Associated Noncoding RNAs by Their Expression Profiles. Int J Genomics 2017; 2017:2312318. [PMID: 29138748 PMCID: PMC5613369 DOI: 10.1155/2017/2312318] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 07/20/2017] [Indexed: 12/14/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play a significant role in cancer development as regulators of protein-coding genes. Their dysregulation was in some extent already associated with glioma, the most aggressive primary brain tumours in adults. The correct diagnosis and treatment selection due to high tumour heterogeneity might be difficult and inadequate, resulting in poor prognosis. Studies of expression patterns of noncoding RNAs (ncRNAs) could provide useful insight in glioma molecular development. We used the qPCR approach to screen and investigate the expression of lncRNAs that were previously deregulated in other cancer types. The study showed altered expression levels for numerous lncRNAs across histologically different glioma samples. Validation of few lncRNAs showed association of expression levels with histological subtype and/or malignancy grade. We also observed deregulated and subtype-distinctive expression for four lncRNA-associated miRNAs. Expression of few lncRNAs and miRNA was also associated with patients' survival, showing potential prognostic value. Several ncRNAs, some already related to glioma and some, to the best of our knowledge, investigated for the first time, might be of greater importance in glioma molecular development and progression. Finding the subtype-specific lncRNA and/or miRNA expression patterns may contribute additional information for a more objective classification.
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