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Cantile M, Belli V, Scognamiglio G, Martorana A, De Pietro G, Tracey M, Budillon A. The role of HOTAIR in the modulation of resistance to anticancer therapy. Front Mol Biosci 2024; 11:1414651. [PMID: 38887279 PMCID: PMC11181001 DOI: 10.3389/fmolb.2024.1414651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 05/10/2024] [Indexed: 06/20/2024] Open
Abstract
Leading anti-tumour therapeutic strategies typically involve surgery and radiotherapy for locally advanced (non-metastatic) cancers, while hormone therapy, chemotherapy, and molecular targeted therapy are the current treatment options for metastatic cancer. Despite the initially high sensitivity rate to anticancer therapies, a large number of patients develop resistance, leading to a poor prognosis. The mechanisms related to drug resistance are highly complex, and long non-coding RNAs appear to play a crucial role in these processes. Among these, the lncRNA homeobox transcript antisense intergenic RNA (HOTAIR), widely implicated in cancer initiation and progression, likewise plays a significant role in anticancer drug resistance. It can modulate cell activities such as proliferation, apoptosis, hypoxia, autophagy, as well as epithelial-mesenchymal transition, thereby contributing to the development of resistant tumour cells. In this manuscript, we describe different mechanisms of antitumor drug resistance in which HOTAIR is involved and suggest its potential as a therapeutic predictive biomarker for the management of cancer patients.
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Affiliation(s)
- Monica Cantile
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Valentina Belli
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Giosuè Scognamiglio
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Anna Martorana
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Giovanna De Pietro
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Maura Tracey
- Rehabilitation Medicine Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
| | - Alfredo Budillon
- Scientific Directorate, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy
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Arnold CR, Mangesius J, Portnaia I, Ganswindt U, Wolff HA. Innovative therapeutic strategies to overcome radioresistance in breast cancer. Front Oncol 2024; 14:1379986. [PMID: 38873260 PMCID: PMC11169591 DOI: 10.3389/fonc.2024.1379986] [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: 01/31/2024] [Accepted: 05/10/2024] [Indexed: 06/15/2024] Open
Abstract
Despite a comparatively favorable prognosis relative to other malignancies, breast cancer continues to significantly impact women's health globally, partly due to its high incidence rate. A critical factor in treatment failure is radiation resistance - the capacity of tumor cells to withstand high doses of ionizing radiation. Advancements in understanding the cellular and molecular mechanisms underlying radioresistance, coupled with enhanced characterization of radioresistant cell clones, are paving the way for the development of novel treatment modalities that hold potential for future clinical application. In the context of combating radioresistance in breast cancer, potential targets of interest include long non-coding RNAs (lncRNAs), micro RNAs (miRNAs), and their associated signaling pathways, along with other signal transduction routes amenable to pharmacological intervention. Furthermore, technical, and methodological innovations, such as the integration of hyperthermia or nanoparticles with radiotherapy, have the potential to enhance treatment responses in patients with radioresistant breast cancer. This review endeavors to provide a comprehensive survey of the current scientific landscape, focusing on novel therapeutic advancements specifically addressing radioresistant breast cancer.
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Affiliation(s)
| | - Julian Mangesius
- Department of Radiation-Oncology, Medical University of Innsbruck, Innsbruck, Austria
| | - Iana Portnaia
- Department of Internal Medicine II, Medical University of Innsbruck, Innsbruck, Austria
| | - Ute Ganswindt
- Department of Radiation-Oncology, Medical University of Innsbruck, Innsbruck, Austria
| | - Hendrik Andreas Wolff
- Department of Radiology, Nuclear Medicine, and Radiotherapy, Radiology Munich, Munich, Germany
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3
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Saranya I, Dharshini VS, Akshaya RL, Subhashini PS, Selvamurugan N. Regulatory and therapeutic implications of competing endogenous RNA network in breast cancer progression and metastasis: A review. Int J Biol Macromol 2024; 266:131075. [PMID: 38531528 DOI: 10.1016/j.ijbiomac.2024.131075] [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: 01/30/2024] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
Breast cancer (BC) is a global health concern, and development of diagnostic tools and targeted treatments for BC remains challenging. Therapeutic approaches for BC often involve a combination of surgery, radiation therapy, chemotherapy, targeted therapy, and hormone therapy. In recent years, there has been a growing interest in the role of noncoding RNAs (ncRNAs), including long ncRNAs (lncRNAs) and microRNAs (miRNAs), in BC and their therapeutic implications. Various biological processes such as cell proliferation, migration, and apoptosis rely on the activities of these ncRNAs, and their dysregulation has been implicated in BC progression. The regulatory function of the competitive endogenous RNA (ceRNA) network, which comprises lncRNAs, miRNAs, and mRNAs, has been the subject of extensive pathophysiological research. Most lncRNAs serve as molecular sponges for miRNAs and sequester their activities, thereby regulating the expression of target mRNAs and contributing to the promotion or inhibition of BC progression. This review summarizes recent findings on the role of ceRNA networks in BC progression, metastasis, and therapeutic resistance, and highlights the association of ceRNA networks with transcription factors and signaling pathways. Understanding the ceRNA network can lead to the discovery of biomarkers and targeted treatment methods to prevent the spread and metastasis of BC.
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Affiliation(s)
- I Saranya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - V Sowfika Dharshini
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - R L Akshaya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - P Sakthi Subhashini
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India.
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Holmes-Hampton GP, Soni DK, Kumar VP, Biswas S, Wuddie K, Biswas R, Ghosh SP. Time- and sex-dependent delayed effects of acute radiation exposure manifest via miRNA dysregulation. iScience 2024; 27:108867. [PMID: 38318389 PMCID: PMC10838729 DOI: 10.1016/j.isci.2024.108867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/28/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
The detrimental effects of high-dose ionizing radiation on human health are well-known, but the influence of sex differences on the delayed effects of acute radiation exposure (DEARE) remains unclear. Here, we conducted six-month animal experiments using escalating radiation doses (7-9 Gy) on male and female C57BL/6 mice. The results show that female mice exhibited greater resistance to radiation, showing increased survival at six months post-total body irradiation. LD50/30 (lethal dose expected to cause 50% lethality in 30 days) for female mice is 8.08 Gy, while for male mice it is 7.76 Gy. DEARE causes time- and sex-dependent dysregulation of microRNA expression, processing enzymes, and the HOTAIR regulatory pathway. Differential regulation of molecular patterns associated with growth, development, apoptosis, and cancer is also observed in male and female mice. These findings shed light on the molecular basis of age and sex differences in DEARE response and emphasize the importance of personalized medicine for mitigating radiation-induced injuries and diseases.
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Affiliation(s)
- Gregory P. Holmes-Hampton
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
| | - Dharmendra Kumar Soni
- Department of Anatomy, Physiology and Genetics, School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 21045, USA
| | - Vidya P. Kumar
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
| | - Shukla Biswas
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
| | - Kefale Wuddie
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
| | - Roopa Biswas
- Department of Anatomy, Physiology and Genetics, School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 21045, USA
| | - Sanchita P. Ghosh
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
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He X, Cai L, Tang H, Chen W, Hu W. Epigenetic modifications in radiation-induced non-targeted effects and their clinical significance. Biochim Biophys Acta Gen Subj 2023; 1867:130386. [PMID: 37230420 DOI: 10.1016/j.bbagen.2023.130386] [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: 03/23/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND Ionizing radiation (IR) plays an important role in the diagnosis and treatment of cancer. Besides the targeted effects, the non-targeted effects, which cause damage to non-irradiated cells and genomic instability in normal tissues, also play a role in the side effects of radiotherapy and have been shown to involve both alterations in DNA sequence and regulation of epigenetic modifications. SCOPE OF REVIEW We summarize the recent findings regarding epigenetic modifications that are involved in radiation-induced non-targeted effects as well as their clinical significance in radiotherapy and radioprotection. MAJOR CONCLUSIONS Epigenetic modifications play an important role in both the realization and modulation of radiobiological effects. However, the molecular mechanisms underlying non-targeted effects still need to be clarified. GENERAL SIGNIFICANCE A better understanding of the epigenetic mechanisms related to radiation-induced non-targeted effects will guide both individualized clinical radiotherapy and individualized precise radioprotection.
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Affiliation(s)
- Xiangyang He
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Luwei Cai
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Haoyi Tang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Weibo Chen
- Nuclear and Radiation Incident Medical Emergency Office, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China.
| | - Wentao Hu
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China.
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Hashemi M, Gholami S, Raesi R, Sarhangi S, Mahmoodieh B, Koohpar ZK, Goharrizi MASB, Behroozaghdam M, Entezari M, Salimimoghadam S, Zha W, Rashidi M, Abdi S, Taheriazam A, Nabavi N. Biological and therapeutic viewpoints towards role of miR-218 in human cancers: Revisiting molecular interactions and future clinical translations. Cell Signal 2023:110786. [PMID: 37380085 DOI: 10.1016/j.cellsig.2023.110786] [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: 04/24/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 06/30/2023]
Abstract
Understanding the exact pathogenesis of cancer is difficult due to heterogenous nature of tumor cells and multiple factors that cause its initiation and development. Treatment of cancer is mainly based on surgical resection, chemotherapy, radiotherapy and their combination, while gene therapy has been emerged as a new kind of therapy for cancer. Post-transcriptional regulation of genes has been of interest in recent years and among various types of epigenetic factors that can modulate gene expression, short non-coding RNAs known as microRNAs (miRNAs) have obtained much attention. The stability of mRNA decreases by miRNAs to repress gene expression. miRNAs can regulate tumor malignancy and biological behavior of cancer cells and understanding their function in tumorigenesis can pave the way towards developing new therapeutics in future. One of the new emerging miRNAs in cancer therapy is miR-218 that increasing evidence highlights its anti-cancer activity, while a few studies demonstrate its oncogenic function. The miR-218 transfection is promising in reducing progression of tumor cells. miR-218 shows interactions with molecular mechanisms including apoptosis, autophagy, glycolysis and EMT, and the interaction is different. miR-218 induces apoptosis, while it suppresses glycolysis, cytoprotective autophagy and EMT. Low expression of miR-218 can result in development of chemoresistance and radio-resistance in tumor cells and direct targeting of miR-218 as a key player is promising in cancer therapy. LncRNAs and circRNAs are nonprotein coding transcripts that can regulate miR-218 expression in human cancers. Moreover, low expression level of miR-218 can be observed in human cancers such as brain, gastrointestinal and urological cancers that mediate poor prognosis and low survival rate.
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Affiliation(s)
- Mehrdad Hashemi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Sadaf Gholami
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Rasoul Raesi
- Department of Health Services Management, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical-Surgical Nursing, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sareh Sarhangi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Behnaz Mahmoodieh
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Zeinab Khazaei Koohpar
- Department of Cell and Molecular Biology, Faculty of Biological Sciences,Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | | | - Mitra Behroozaghdam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Shokooh Salimimoghadam
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Wenliang Zha
- Second Affiliated Hospital, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Soheila Abdi
- Department of Physics, Safadasht Branch, Islamic Azad university, Tehran, Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Noushin Nabavi
- Department of Urologic Sciences and Vancouver Prostate Centre, University of British Columbia, V6H3Z6 Vancouver, BC, Canada.
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Wischmann FJ, Troschel FM, Frankenberg M, Kemper B, Vijaya Kumar A, Sicking M, Ibrahim SA, Kiesel L, Götte M, Eich HT, Greve B. Tumor suppressor miR-218 directly targets epidermal growth factor receptor (EGFR) expression in triple-negative breast cancer, sensitizing cells to irradiation. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04750-x. [PMID: 37088795 PMCID: PMC10374822 DOI: 10.1007/s00432-023-04750-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 04/05/2023] [Indexed: 04/25/2023]
Abstract
PURPOSE MicroRNA-218 (miR-218) is a key regulator of numerous processes relevant to tumor progression. In the present study, we aimed to characterize the relationship between miR-218 and the Epidermal Growth Factor Receptor (EGFR) as well as to understand downstream effects in triple-negative breast cancer (TNBC). METHODS We assessed miR-218 and EGFR expression in cell lines and publicly available primary breast cancer gene expression data. We then overexpressed miR-218 in two TNBC cell lines and investigated effects on EGFR and downstream mitogen-activated protein (MAP) kinase signaling. Luciferase reporter assay was used to characterize a direct binding interaction between miR-218 and EGFR mRNA. Digital holographic microscopy helped investigate cell migration and dry mass after miR-218 overexpression. Cell division and invasion were assessed microscopically, while radiation response after miR-218 overexpression alone or combined with additional EGFR knockdown was investigated via clonogenic assays. RESULTS We found an inverse correlation between EGFR expression and miR-218 levels in cell lines and primary breast cancer tissues. MiR-218 overexpression resulted in a downregulation of EGFR via direct binding of the mRNA. Activation of EGFR and downstream p44/42 MAPK signaling were reduced after pre-miR-218 transfection. Cell proliferation, motility and invasiveness were inhibited whereas cell death and mitotic catastrophe were upregulated in miR-218 overexpressing cells compared to controls. MiR-218 overexpressing and EGFR siRNA-treated cells were sensitized to irradiation, more than miR-218 overexpressing cells alone. CONCLUSION This study characterizes the antagonistic relationship between miR-218 and EGFR. It also demonstrates downstream functional effects of miR-218 overexpression, leading to anti-tumorigenic cellular changes.
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Affiliation(s)
- Franz-Josef Wischmann
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Fabian M Troschel
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany.
| | - Maj Frankenberg
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Björn Kemper
- Biomedical Technology Center, Medical Faculty, University of Münster, Münster, Germany
| | - Archana Vijaya Kumar
- Department of Gynecology and Obstetrics, University Hospital Münster, Münster, Germany
| | - Mark Sicking
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | | | - Ludwig Kiesel
- Department of Gynecology and Obstetrics, University Hospital Münster, Münster, Germany
| | - Martin Götte
- Department of Gynecology and Obstetrics, University Hospital Münster, Münster, Germany
| | - Hans Theodor Eich
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Burkhard Greve
- Department of Radiation Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany.
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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: 19] [Impact Index Per Article: 19.0] [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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Mohamad N, Khedr AM, Shaker OG, Hassan M. Expression of Long Noncoding RNA, HOTAIR, and MicroRNA-205 and Their Relation to Transforming Growth Factor β 1 in Patients with Alopecia Areata. Skin Appendage Disord 2023; 9:111-120. [PMID: 36937162 PMCID: PMC10015650 DOI: 10.1159/000527851] [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: 04/08/2022] [Accepted: 10/26/2022] [Indexed: 02/05/2023] Open
Abstract
Introduction Alopecia areata (AA) is a common autoimmune condition that affects anagen hair follicles. The most commonly recognized theory is that it is a T-cell-mediated autoimmune disorder in a genetically susceptible individual. MicroRNAs (miRNAs) and long noncoding RNAs (lncRNAs) were thought to play a function in the pathogenesis. The expression of lncRNA HOTAIR and miRNA-205 and their relation to transforming growth factor β1 (TGF-β1) in AA were not studied. Aim The aim of the studywas to evaluate the role of miRNA-205, lncRNA, HOTAIR, and TGF-β1 levels in AA pathogenesis, clinical course, and severity of AA. Methods Two groups of subjects were included in this case-control study: 50 patients with AA and 50 healthy matched controls. miRNA-205 and lncRNA HOTAIR expression levels were assayed using quantitative RT-PCR, while serum levels of TGF-β1 were assayed using ELISA techniques. Results The serum expression of lncRNA HOTAIR was significantly downregulated in AA patients with a p value < 0.001, while the serum expression of both miRNA-205 and TGF-β1 were significantly upregulated in patients. Discussion/Conclusion This study highlights the potential role of high serum expression of miRNA-205 and TGF-β1 and the low serum expression of lncRNA HOTAIR in AA pathogenesis. This could be used as a therapeutic target to treat AA.
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Affiliation(s)
- Noha Mohamad
- Department of Dermatology, Faculty of Medicine, Fayoum University, Faiyum, Egypt
| | - Ahmed M.B. Khedr
- Department of Dermatology, Faculty of Medicine, Fayoum University, Faiyum, Egypt
| | - Olfat Gamil Shaker
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Mohammed Hassan
- Department of Dermatology, Faculty of Medicine, Fayoum University, Faiyum, Egypt
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Functions and underlying mechanisms of lncRNA HOTAIR in cancer chemotherapy resistance. Cell Death Dis 2022; 8:383. [PMID: 36100611 PMCID: PMC9470550 DOI: 10.1038/s41420-022-01174-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 11/30/2022]
Abstract
Chemotherapy has been one of the most important treatments for advanced cancer in recent decades. Although the sensitivity rate of initial chemotherapy is high, patients with chemotherapy resistant tumors, experience tumor recurrence. In recent years, many studies have shown that homeobox transcript antisense intergenic RNA (HOTAIR) is involved in many pathological processes including carcinogenesis. The abnormal regulation of a variety of cell functions by HOTAIR, such as apoptosis, the cell cycle, epithelial-mesenchymal transition, autophagy, self-renewal, and metabolism, is associated with chemotherapy resistance. Therefore, there is an urgent need to understand the biology and mechanism underlying the role of HOTAIR in tumor behavior and its potential as a biomarker for predicting the effect of chemotherapy. In this manuscript, we review the mechanisms underlying HOTAIR-related drug resistance and discuss the limitations of current knowledge and propose potential future directions.
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11
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Oghabi Bakhshaiesh T, Esmaeili R. Effects of noncoding RNAs in radiotherapy response in breast cancer: a systematic review. Cell Cycle 2022; 21:883-893. [PMID: 35108162 PMCID: PMC9037412 DOI: 10.1080/15384101.2022.2035915] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Radiotherapy has an essential role in breast cancer treatment. However, tumor cells may be resistant to radiotherapy. Noncoding RNAs are considered regulators of different pathways which modulate radiotherapy. This systematic review classifies long noncoding RNAs, and microRNAs precipitated in the radiation response of breast cancer patients. A total of 14 microRNAs and 8 long noncoding RNAs were studied in this review. MiR-22, miR-200 c, Let7, and LINP1 as tumor suppressors increase the effect of radiotherapy in BC. However, some noncoding RNAs such as HOTAIR, NEAT1, and miR-21 are precipitated in radio-resistance breast cancers. Significant changes in the pattern of noncoding RNAs expression before and after radiotherapy make them a good candidate for the prognosis and prediction of radiotherapy response. MiR-21 and miR-182 can promote radio-resistance via cancer stem cells. At last, the molecular mechanisms initiating radio-resistance were also examined to find the candidate noncoding RNAs for the development of radiation-sensitized agents.
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Affiliation(s)
| | - Rezvan Esmaeili
- Genetics Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran,CONTACT Rezvan Esmaeili No 146, Gandhi Street, Genetics Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
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12
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Radiation therapy for triple-negative breast cancer: emerging role of microRNAs as biomarkers and radiosensitivity modifiers. A systematic review. Breast Cancer Res Treat 2022; 193:265-279. [PMID: 35397079 DOI: 10.1007/s10549-022-06533-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/19/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Radiation therapy (RT) for triple-negative breast cancer (TNBC) treatment is currently delivered in the adjuvant setting and is under investigation as a booster of neoadjuvant treatments. However, TNBC radioresistance remains an obstacle, so new biomarkers are needed to select patients for any integration of RT in the TNBC therapy sequence. MicroRNAs (miRs) are important regulators of gene expression, involved in cancer response to ionizing radiation (IR) and assessable by tumor tissue or liquid biopsy. This systematic review aimed to evaluate the relationships between miRs and response to radiation in TNBC, as well as their potential predictive and prognostic values. METHODS A thorough review of studies related to miRs and RT in TNBC was performed on PubMed, EMBASE, and Web of Science. We searched for original English articles that involved dysregulation of miRs in response to IR on TNBC-related preclinical and clinical studies. After a rigorous selection, 44 studies were chosen for further analysis. RESULTS Thirty-five miRs were identified to be TNBC related, out of which 21 were downregulated, 13 upregulated, and 2 had a double-side expression in this cancer. Expression modulation of many of these miRs is radiosensitizing, among which miR-7, -27a, -34a, -122, and let-7 are most studied, still only in experimental models. The miRs reported as most influencing/reflecting TNBC response to IR are miR-7, -27a, -155, -205, -211, and -221, whereas miR-21, -33a, -139-5p, and -210 are associated with TNBC patient outcome after RT. CONCLUSION miRs are emerging biomarkers and radiosensitizers in TNBC, worth further investigation. Dynamic assessment of circulating miRs could improve monitoring and TNBC RT efficacy, which are of particular interest in the neoadjuvant and the high-risk patients' settings.
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13
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Yardım-Akaydin S, Karahalil B, Nacak Baytas S. New therapy strategies in the management of breast cancer. Drug Discov Today 2022; 27:1755-1762. [PMID: 35337961 DOI: 10.1016/j.drudis.2022.03.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 02/13/2022] [Accepted: 03/20/2022] [Indexed: 12/19/2022]
Abstract
Breast cancer (BC), the second leading cause of cancer-related deaths after lung cancer, is the most common cancer type among women worldwide. BC comprises multiple subtypes based on molecular properties. Depending on the type of BC, hormone therapy, targeted therapy, and immunotherapy are the current systemic treatment options along with conventional chemotherapy. Several new molecular targets, miRNAs, and long non-coding RNAs (lncRNAs), have been discovered over the past few decades and are powerful potential therapeutic targets. Here, we review advanced therapeutics as new players in BC management.
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Affiliation(s)
- Sevgi Yardım-Akaydin
- Department of Biochemistry, Faculty of Pharmacy, Gazi University, 06330-Ankara, Turkey
| | - Bensu Karahalil
- Department of Toxicology, Faculty of Pharmacy, Gazi University, 06330-Ankara, Turkey
| | - Sultan Nacak Baytas
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, 06330-Ankara, Turkey.
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14
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Masoudi-Khoram N, Abdolmaleki P. Role of non-coding RNAs in response of breast cancer to radiation therapy. Mol Biol Rep 2022; 49:5199-5208. [PMID: 35217966 DOI: 10.1007/s11033-022-07234-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 02/04/2022] [Indexed: 12/13/2022]
Abstract
Breast cancer ranks as the first common cancer with a high incidence rate and mortality among women. Radiation therapy is the main therapeutic method for breast cancer patients. However, radiation resistance of tumor cells can reduce the efficacy of treatment and lead to recurrence and mortality in patients. Non-coding RNA (ncRNAs) refers to a group of small RNA molecules that are not translated into protein, while they have the ability to modulate the translation of target mRNA. Several studies have reported the altered expression of ncRNAs in response to radiation in breast cancer. NcRNAs have been found to influence on radiation response of breast cancer by regulating various mechanisms, including DNA damage response, cell cycle regulation, cell death, inflammatory response, cancer stem cell and EGFR related pathways. This paper aimed to provide a summary of current findings on ncRNAs dysregulation after irradiation. We also present the function and mechanism of ncRNAs in modulating radiosensitivity or radioresistance of breast cancer cells.
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Affiliation(s)
- Nastaran Masoudi-Khoram
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, P.O. Box 1415-154, Tehran, Iran
| | - Parviz Abdolmaleki
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, P.O. Box 1415-154, Tehran, Iran.
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15
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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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16
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lncRNAs MALAT1 and LINC00657 upstream to miR-214-3p/BMP2 regulate osteogenic differentiation of human mesenchymal stem cells. Mol Biol Rep 2022; 49:6847-6857. [DOI: 10.1007/s11033-022-07136-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 01/10/2022] [Indexed: 10/19/2022]
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17
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Mondal A, Bhattacharya A, Singh V, Pandita S, Bacolla A, Pandita RK, Tainer JA, Ramos KS, Pandita TK, Das C. Stress Responses as Master Keys to Epigenomic Changes in Transcriptome and Metabolome for Cancer Etiology and Therapeutics. Mol Cell Biol 2022; 42:e0048321. [PMID: 34748401 PMCID: PMC8773053 DOI: 10.1128/mcb.00483-21] [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] [Indexed: 11/20/2022] Open
Abstract
From initiation through progression, cancer cells are subjected to a magnitude of endogenous and exogenous stresses, which aid in their neoplastic transformation. Exposure to these classes of stress induces imbalance in cellular homeostasis and, in response, cancer cells employ informative adaptive mechanisms to rebalance biochemical processes that facilitate survival and maintain their existence. Different kinds of stress stimuli trigger epigenetic alterations in cancer cells, which leads to changes in their transcriptome and metabolome, ultimately resulting in suppression of growth inhibition or induction of apoptosis. Whether cancer cells show a protective response to stress or succumb to cell death depends on the type of stress and duration of exposure. A thorough understanding of epigenetic and molecular architecture of cancer cell stress response pathways can unveil a plethora of information required to develop novel anticancer therapeutics. The present view highlights current knowledge about alterations in epigenome and transcriptome of cancer cells as a consequence of exposure to different physicochemical stressful stimuli such as reactive oxygen species (ROS), hypoxia, radiation, hyperthermia, genotoxic agents, and nutrient deprivation. Currently, an anticancer treatment scenario involving the imposition of stress to target cancer cells is gaining traction to augment or even replace conventional therapeutic regimens. Therefore, a comprehensive understanding of stress response pathways is crucial for devising and implementing novel therapeutic strategies.
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Affiliation(s)
- Atanu Mondal
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
| | - Apoorva Bhattacharya
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
| | - Vipin Singh
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
| | - Shruti Pandita
- Division of Hematology and Medical Oncology, St. Louis University, St. Louis, Missouri, USA
| | - Albino Bacolla
- Department of Molecular and Cellular Oncology, University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA
| | - Raj K. Pandita
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
| | - John A. Tainer
- Department of Molecular and Cellular Oncology, University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA
| | - Kenneth S. Ramos
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, Texas, USA
| | - Tej K. Pandita
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, Texas, USA
| | - Chandrima Das
- Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, Kolkata, India
- Homi Bhaba National Institute, Mumbai, India
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Abstract
PURPOSE This article will briefly review the origins and evolution of functional genomics, first describing the experimental technology, and then some of the approaches applied to data analysis and visualization. It will emphasize application of functional genomics to radiation biology, using examples from the author's work to illustrate several key types of analysis. It concludes with a look at non-coding RNA, alternative reading of the genome, and single-cell transcriptomics, some of the innovative areas that may help to shape future research in radiation biology and oncology. CONCLUSIONS Transcriptomic approaches have provided insight into many areas of radiation biology and medicine, and innovations in technology and data analysis approaches promise continued contributions to radiation science in the future.
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Feng J, Li Y, Zhu L, Zhao Q, Li D, Li Y, Wu T. STAT1 mediated long non-coding RNA LINC00504 influences radio-sensitivity of breast cancer via binding to TAF15 and stabilizing CPEB2 expression. Cancer Biol Ther 2021; 22:630-639. [PMID: 34908514 DOI: 10.1080/15384047.2021.1964320] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Radiotherapy plays important roles in the treatment of breast cancer (BC), which develops from malignant cells in the breast. Long non-coding RNAs (lncRNAs) have been reported to be implicated in radio-resistance or radio-sensitivity of human cancer, which includes breast cancer. Nevertheless, long intergenic non-protein coding RNA 0504 (LINC00504) has not been investigated in BC. In our study, from RT-qPCR analysis, LINC00504 was found to be up-regulated in BC cells. By conducting in vitro assays, it was confirmed that the knockdown of LINC00504 could enhance the radio-sensitivity of BC cells. The regulatory mechanism of LINC00504 in BC was also verified by chromatin immunoprecipitation (ChIP), RNA immunoprecipitation (RIP) and luciferase reporter assays. From the experimental results, we knew that the up-regulation of LINC00504 was mediated by signal transducer and activator of transcription 1 (STAT1). Moreover, LINC00504 stabilized the expression of cytoplasmic polyadenylation element-binding protein 2 (CPEB2) via binding to TATA-box binding protein associated factor 15 (TAF15). Furthermore, rescue assays validated that LINC00504 participated in regulating the radio-sensitivity of BC cells via up-regulating CPEB2. In summary, our study disclosed that STAT1 could mediate LINC00504 and weaken the radio-sensitivity of BC cells via binding to TAF15 and stabilizing CPEB2 expression.
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Affiliation(s)
- Jinchun Feng
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yan Li
- Department of Breast Surgery, Hami City Second People's Hospital, Hami, Xinjiang, China
| | - Liping Zhu
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Qian Zhao
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Dan Li
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yuxiang Li
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Tao Wu
- Department of Breast Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
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20
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Aranza-Martínez A, Sánchez-Pérez J, Brito-Elias L, López-Camarillo C, Cantú de León D, Pérez-Plasencia C, López-Urrutia E. Non-Coding RNAs Associated With Radioresistance in Triple-Negative Breast Cancer. Front Oncol 2021; 11:752270. [PMID: 34804940 PMCID: PMC8599982 DOI: 10.3389/fonc.2021.752270] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 10/06/2021] [Indexed: 12/12/2022] Open
Abstract
The resistance that Triple-Negative Breast Cancer (TNBC), the most aggressive breast cancer subtype, develops against radiotherapy is a complex phenomenon involving several regulators of cell metabolism and gene expression; understanding it is the only way to overcome it. We focused this review on the contribution of the two leading classes of regulatory non-coding RNAs, microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), against ionizing radiation-based therapies. We found that these regulatory RNAs are mainly associated with DNA damage response, cell death, and cell cycle regulation, although they regulate other processes like cell signaling and metabolism. Several regulatory RNAs regulate multiple pathways simultaneously, such as miR-139-5p, the miR-15 family, and the lncRNA HOTAIR. On the other hand, proteins such as CHK1 and WEE1 are targeted by several regulatory RNAs simultaneously. Interestingly, the study of miRNA/lncRNA/mRNA regulation axes increases, opening new avenues for understanding radioresistance. Many of the miRNAs and lncRNAs that we reviewed here can be used as molecular markers or targeted by upcoming therapeutic options, undoubtedly contributing to a better prognosis for TNBC patients.
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Affiliation(s)
- Alberto Aranza-Martínez
- Laboratorio de Genómica Funcional, Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico
| | - Julio Sánchez-Pérez
- Laboratorio de Genómica Funcional, Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico
| | - Luis Brito-Elias
- Laboratorio de Genómica Funcional, Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico
| | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, Mexico City, Mexico
| | - David Cantú de León
- Dirección de Investigación, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Carlos Pérez-Plasencia
- Laboratorio de Genómica Funcional, Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico.,Laboratorio de Genómica, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Eduardo López-Urrutia
- Laboratorio de Genómica Funcional, Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico
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21
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Long Noncoding RNAs Regulate the Radioresistance of Breast Cancer. Anal Cell Pathol (Amst) 2021; 2021:9005073. [PMID: 34595090 PMCID: PMC8478560 DOI: 10.1155/2021/9005073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/10/2021] [Accepted: 08/19/2021] [Indexed: 12/15/2022] Open
Abstract
Breast cancer (BRCA) has severely threatened women's health worldwide. Radiotherapy is a treatment for BRCA, which applies high doses of ionizing radiation to induce cancer cell death and reduce disease recurrence. Radioresistance is one of the most important elements that affect the therapeutic efficacy of radiotherapy. Long noncoding RNAs (lncRNAs) are suggested to dominate crucial roles in regulating the biological behavior of BRCA. Currently, some studies indicate that overexpression or inhibition of lncRNAs can greatly alter the radioresistance of BRCA. In this review, we summarized the knowledge on the classification and function of lncRNAs and the molecular mechanism of BRCA radioresistance, listed lncRNAs related to the BRCA radioresistance, highlighted their underlying mechanisms, and discussed the potential application of these lncRNAs in regulating BRCA radioresistance.
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22
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Shaw A, Gullerova M. Home and Away: The Role of Non-Coding RNA in Intracellular and Intercellular DNA Damage Response. Genes (Basel) 2021; 12:1475. [PMID: 34680868 PMCID: PMC8535248 DOI: 10.3390/genes12101475] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 12/14/2022] Open
Abstract
Non-coding RNA (ncRNA) has recently emerged as a vital component of the DNA damage response (DDR), which was previously believed to be solely regulated by proteins. Many species of ncRNA can directly or indirectly influence DDR and enhance DNA repair, particularly in response to double-strand DNA breaks, which may hold therapeutic potential in the context of cancer. These include long non-coding RNA (lncRNA), microRNA, damage-induced lncRNA, DNA damage response small RNA, and DNA:RNA hybrid structures, which can be categorised as cis or trans based on the location of their synthesis relative to DNA damage sites. Mechanisms of RNA-dependent DDR include the recruitment or scaffolding of repair factors at DNA break sites, the regulation of repair factor expression, and the stabilisation of repair intermediates. DDR can also be communicated intercellularly via exosomes, leading to bystander responses in healthy neighbour cells to generate a population-wide response to damage. Many microRNA species have been directly implicated in the propagation of bystander DNA damage, autophagy, and radioresistance, which may prove significant for enhancing cancer treatment via radiotherapy. Here, we review recent developments centred around ncRNA and their contributions to intracellular and intercellular DDR mechanisms.
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Affiliation(s)
| | - Monika Gullerova
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK;
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23
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Price RL, Bhan A, Mandal SS. HOTAIR beyond repression: In protein degradation, inflammation, DNA damage response, and cell signaling. DNA Repair (Amst) 2021; 105:103141. [PMID: 34183273 PMCID: PMC10426209 DOI: 10.1016/j.dnarep.2021.103141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 05/13/2021] [Accepted: 05/21/2021] [Indexed: 01/17/2023]
Abstract
Long noncoding RNAs (lncRNAs) are pervasively transcribed from the mammalian genome as transcripts that are usually >200 nucleotides long. LncRNAs generally do not encode proteins but are involved in a variety of physiological processes, principally as epigenetic regulators. HOX transcript antisense intergenic RNA (HOTAIR) is a well-characterized lncRNA that has been implicated in several cancers and in various other diseases. HOTAIR is a repressor lncRNA and regulates various repressive chromatin modifications. However, recent studies have revealed additional functions of HOTAIR in regulation of protein degradation, microRNA (miRNA) sponging, NF-κB activation, inflammation, immune signaling, and DNA damage response. Herein, we have summarized the diverse functions and modes of action of HOTAIR in protein degradation, inflammation, DNA repair, and diseases, beyond its established functions in gene silencing.
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Affiliation(s)
- Rachel L Price
- Gene Regulation and Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX, 76019, United States
| | - Arunoday Bhan
- Gene Regulation and Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX, 76019, United States
| | - Subhrangsu S Mandal
- Gene Regulation and Epigenetics Research Laboratory, Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, TX, 76019, United States.
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24
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May JM, Bylicky M, Chopra S, Coleman CN, Aryankalayil MJ. Long and short non-coding RNA and radiation response: a review. Transl Res 2021; 233:162-179. [PMID: 33582242 PMCID: PMC8475769 DOI: 10.1016/j.trsl.2021.02.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/02/2021] [Accepted: 02/07/2021] [Indexed: 12/12/2022]
Abstract
Once thought of as arising from "junk DNA," noncoding RNAs (ncRNAs) have emerged as key molecules in cellular processes and response to stress. From diseases such as cancer, coronary artery disease, and diabetes to the effects of ionizing radiation (IR), ncRNAs play important roles in disease progression and as biomarkers of damage. Noncoding RNAs regulate cellular processes by competitively binding DNA, mRNA, proteins, and other ncRNAs. Through these interactions, specific ncRNAs can modulate the radiosensitivity of cells and serve as diagnostic and prognostic biomarkers of radiation damage, whether from incidental exposure in radiotherapy or in accidental exposure scenarios. Analysis of RNA expression after radiation exposure has shown alterations not only in mRNAs, but also in ncRNAs (primarily miRNA, circRNA, and lncRNA), implying an important role in cellular stress response. Due to their abundance and stability in serum and other biofluids, ncRNAs also have great potential as minimally invasive biomarkers with advantages over current biodosimetry methods. Several studies have examined changes in ncRNA expression profiles in response to IR and other forms of oxidative stress. Furthermore, some studies have reported modulation of radiosensitivity by altering expression levels of these ncRNAs. This review discusses the roles of ncRNAs in the radiation response and evaluates prior research on ncRNAs as biomarkers of radiation damage. Future directions and applications of ncRNAs in radiation research are introduced, including the potential for a clinical ncRNA assay for assessing radiation damage and for the therapeutic use of RNA interference (RNAi).
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Affiliation(s)
- Jared M May
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Michelle Bylicky
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Sunita Chopra
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - C Norman Coleman
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland; Radiation Research Program, National Cancer Institute, National Institutes of Health, Rockville, Maryland
| | - Molykutty J Aryankalayil
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.
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25
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Gao J, Zong X, Chen N, Lan T, Yu W, Long H, Cui F, Tu Y. Research progress on three different types of noncoding RNAs related to ionizing radiation. RADIATION MEDICINE AND PROTECTION 2021. [DOI: 10.1016/j.radmp.2021.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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26
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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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27
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Radiosensitization potential of caffeic acid phenethyl ester and the long non-coding RNAs in response to 60Coγ radiation in mouse hepatoma cells. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2020.109326] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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28
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Chen W, Yu J, Xie R, Zhou T, Xiong C, Zhang S, Zhong M. Roles of the SNHG7/microRNA‑9‑5p/DPP4 ceRNA network in the growth and 131I resistance of thyroid carcinoma cells through PI3K/Akt activation. Oncol Rep 2021; 45:3. [PMID: 33649840 PMCID: PMC7877006 DOI: 10.3892/or.2021.7954] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 07/31/2020] [Indexed: 02/01/2023] Open
Abstract
Radioactive iodine (RAI, 131I) therapy is the main treatment for thyroid carcinoma (TC). Long noncoding RNA (lncRNA)/microRNA (miR) competing endogenous RNA (ceRNA) networks have aroused great interest for their roles in gene expression. The present study aimed to investigate the effect of lncRNA SNHG7 on the growth and 131I resistance of TC. Differentially expressed lncRNAs in TC and paracancerous tissues were analyzed. The binding of miR-9-5p with small nucleolar RNA host gene 7 (SNHG7) and dipeptidyl-peptidase 4 (DPP4) was identified. Gain- and loss-of-function analyses of SNHG7 and miR-9-5p were performed to determine their effects on the growth and 131I resistance of TC cells. The activity of the PI3K/Akt pathway was evaluated. Consequently, upregulated SNHG7 was revealed in TC tissues and correlated with 131I resistance. Silencing of SNHG7 or overexpressing miR-9-5p inhibited the growth and 131I resistance of TC cells. SNHG7 acted as a ceRNA of miR-9-5p to enhance DPP4 expression. Overexpressed SNHG7 increased DPP4 expression and activated the PI3K/Akt signaling pathway by sponging miR-9-5p. The in vitro results were reproduced in vivo. In summary, the present study provided evidence that the SNHG7/miR-9-5p/DPP4 ceRNA network could promote the growth and 131I resistance of TC cells via PI3K/Akt activation. The present study may offer novel options for TC treatment.
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Affiliation(s)
- Wanzhi Chen
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jichun Yu
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Rong Xie
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Tao Zhou
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Chengfeng Xiong
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Shuyong Zhang
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Meijun Zhong
- Department of Thyroid Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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Ghafouri-Fard S, Tamizkar KH, Hussen BM, Taheri M. An update on the role of long non-coding RNAs in the pathogenesis of breast cancer. Pathol Res Pract 2021; 219:153373. [DOI: 10.1016/j.prp.2021.153373] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/31/2021] [Accepted: 02/03/2021] [Indexed: 12/18/2022]
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Gilreath C, Boerma M, Qin Z, Hudson MK, Wang S. The Hypoxic Microenvironment of Breast Cancer Cells Promotes Resistance in Radiation Therapy. Front Oncol 2021; 10:629422. [PMID: 33680952 PMCID: PMC7930560 DOI: 10.3389/fonc.2020.629422] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 12/29/2020] [Indexed: 11/13/2022] Open
Abstract
The American Cancer Society has estimated an expected 279,100 new breast cancer cases, and an expected 42,690 breast cancer deaths in the U.S. for the year 2020. This includes an estimated 276,480 women who are expected to be diagnosed. Radiation therapy, also called ionizing radiation therapy, is one of the most frequently used methods in the treatment of breast cancer. While radiation therapy is used in the treatment of more than 50% of all cancer cases, tumor resistance to ionizing radiation presents a major challenge for effective cancer treatment. Most tumor cells are in a hypoxic microenvironment that promotes resistance to radiation therapy. In addition to radiation resistance, the hypoxic microenvironment also promotes cancer proliferation and metastasis. In this review, we will discuss the hypoxic microenvironment of breast cancer tumors, related signaling pathways, breast cancer stem-like cells, and the resistance to radiation therapy. Recent developments in our understanding of tumor hypoxia and hypoxic pathways may assist us in developing new strategies to increase cancer control in radiation therapy.
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Affiliation(s)
- Cordell Gilreath
- Chemistry Department, University of Arkansas at Little Rock, Little Rock, AR, United States
| | - Marjan Boerma
- Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Zhiqiang Qin
- Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - M Keith Hudson
- Chemistry Department, University of Arkansas at Little Rock, Little Rock, AR, United States
| | - Shanzhi Wang
- Chemistry Department, University of Arkansas at Little Rock, Little Rock, AR, United States
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31
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Cantile M, Di Bonito M, Tracey De Bellis M, Botti G. Functional Interaction among lncRNA HOTAIR and MicroRNAs in Cancer and Other Human Diseases. Cancers (Basel) 2021; 13:cancers13030570. [PMID: 33540611 PMCID: PMC7867281 DOI: 10.3390/cancers13030570] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/22/2021] [Accepted: 01/28/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary This review aimed to describe the contribution of functional interaction between the lncRNA HOTAIR and microRNAs in human diseases, including cancer. HOTAIR/miRNAs complexes interfere with different cellular processes during carcinogenesis, mainly deregulating a series of oncogenic signaling pathways. A great number of ncRNAs-related databases have been established, supported by bioinformatics technologies, to identify the ncRNA-mediated sponge regulatory network. These approaches need experimental validation through cells and animal models studies. The optimization of systems to interfere with HOTAIR/miRNAs interplay could represent a new tool for the definition of diagnostic therapeutics in cancer patients. Abstract LncRNAs are a class of non-coding RNAs mostly involved in regulation of cancer initiation, metastatic progression, and drug resistance, through participation in post-transcription regulatory processes by interacting with different miRNAs. LncRNAs are able to compete with endogenous RNAs by binding and sequestering miRNAs and thereby regulating the expression of their target genes, often represented by oncogenes. The lncRNA HOX transcript antisense RNA (HOTAIR) represents a diagnostic, prognostic, and predictive biomarker in many human cancers, and its functional interaction with miRNAs has been described as crucial in the modulation of different cellular processes during cancer development. The aim of this review is to highlight the relation between lncRNA HOTAIR and different microRNAs in human diseases, discussing the contribution of these functional interactions, especially in cancer development and progression.
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Affiliation(s)
- Monica Cantile
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy;
- Correspondence: ; Tel.: +39-081-590-3471; Fax: +39-081-590-3718
| | - Maurizio Di Bonito
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy;
| | - Maura Tracey De Bellis
- Scientific Direction, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.T.D.B.); (G.B.)
| | - Gerardo Botti
- Scientific Direction, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.T.D.B.); (G.B.)
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32
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Pesch AM, Pierce LJ, Speers CW. Modulating the Radiation Response for Improved Outcomes in Breast Cancer. JCO Precis Oncol 2021; 5:PO.20.00297. [PMID: 34250414 DOI: 10.1200/po.20.00297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/12/2020] [Accepted: 12/22/2020] [Indexed: 12/25/2022] Open
Affiliation(s)
- Andrea M Pesch
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI.,Department of Pharmacology, University of Michigan, Ann Arbor, MI.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI
| | - Lori J Pierce
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI
| | - Corey W Speers
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI.,Rogel Cancer Center, University of Michigan, Ann Arbor, MI
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Chong ZX, Yeap SK, Ho WY. Role of miRNAs in regulating responses to radiotherapy in human breast cancer. Int J Radiat Biol 2021; 97:289-301. [PMID: 33356761 DOI: 10.1080/09553002.2021.1864048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Breast cancer is the most common type of cancer that affects females globally. Radiotherapy is a standard treatment option for breast cancer, where one of its most significant limitations is radioresistance development. MicroRNAs (miRNAs) are small, non-protein-coding RNAs that have been widely studied for their roles as disease biomarkers. To date, several in vitro, in vivo, and clinical studies have reported the roles of miRNAs in regulating radiosensitivity and radioresistance in breast cancer cells. This article reviews the roles of miRNAs in regulating treatment response toward radiotherapy and the associating cellular pathways. We identified 36 miRNAs that play a role in mediating radio-responses; 22 were radiosensitizing, 12 were radioresistance-promoting, and two miRNAs were reported to promote both effects. A brief overview of breast cancer therapy options, mechanism of action of radiation, and molecular mechanism of radioresistance was provided in this article. A summary of the latest clinical researches involving miRNAs in breast cancer radiotherapy was also included.
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Affiliation(s)
- Zhi Xiong Chong
- Faculty of Science and Engineering, University of Nottingham Malaysia, Selangor, Malaysia
| | - Swee Keong Yeap
- China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Selangor, Malaysia
| | - Wan Yong Ho
- Faculty of Science and Engineering, University of Nottingham Malaysia, Selangor, Malaysia
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34
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The cross-talk between signaling pathways, noncoding RNAs and DNA damage response: Emerging players in cancer progression. DNA Repair (Amst) 2021; 98:103036. [PMID: 33429260 DOI: 10.1016/j.dnarep.2020.103036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 12/11/2020] [Indexed: 02/06/2023]
Abstract
The DNA damage response (DDR) pathway's primary purpose is to maintain the genome structure's integrity and stability. A great deal of effort has done to understand the exact molecular mechanisms of non-coding RNAs, such as lncRNA, miRNAs, and circRNAs, in distinct cellular and genomic processes and cancer progression. In this regard, the ncRNAs possible regulatory role in DDR via modulation of key components expression and controlling repair signaling pathway activation is validated. Therefore, in this article, we will discuss the latest developments of ncRNAs contribution in different aspects of DNA repair through regulation of ATM-ATR, P53, and other regulatory signaling pathways.
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35
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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: 23] [Impact Index Per Article: 7.7] [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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36
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Qian L, Fei Q, Zhang H, Qiu M, Zhang B, Wang Q, Yu Y, Guo C, Ren Y, Mei M, Zhang L, Zhu Y, Yang B. lncRNA HOTAIR Promotes DNA Repair and Radioresistance of Breast Cancer via EZH2. DNA Cell Biol 2020; 39:2166-2173. [PMID: 33136445 DOI: 10.1089/dna.2020.5771] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Mounting evidence shows that long noncoding RNAs play important roles in human diseases and radioresistance could be an important factor for tumor recurrence. We observed that HOX antisense intergenic RNA (HOTAIR) expression increased in invasive ductal carcinoma (IDC) tissue. The irradiation effect of HOTAIR was detected by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) assay, cell cycle and apoptosis analysis, and xenografts in nude mice. Western blot, RNA pulldown assay, and RNA immunoprecipitation were used for mechanistic studies. HOTAIR, upregulated in IDC of breast cancer tissue, could promote breast cancer cell proliferation by regulating cell cycle and apoptosis. Overexpression of HOTAIR promoted DNA damage repair factors KU70, KU80, DNA-PKs, and ATM expression, and these could be impeded by small molecular inhibitors of enhancer of zeste homolog 2 (EZH2). Meanwhile, we found that HOTAIR could facilitate recruitment of EZH2 to the Avian Myelocytomatosis Viral Oncogene Homolog (MYC) promoter. HOTAIR is an important modulator not only to the prognostic of breast cancer, but also a good marker for radiotherapy.
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Affiliation(s)
- Liyu Qian
- Department of Tumor Surgery and The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Qiaoman Fei
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Haoran Zhang
- Department of Medical Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Manman Qiu
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Bo Zhang
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Qin Wang
- Tianjin Key Lab of Radiation Medicine Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin, China
| | - Yang Yu
- School of Pharmacy, Tianjin Medical University, Tianjin, China
| | - Chenxu Guo
- Department of Tumor Surgery and The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yu Ren
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Mei Mei
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Ling Zhang
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
| | - Yu Zhu
- Department of Clinical Laboratory, Tianjin Haihe Hospital, Tianjin, China
| | - Bing Yang
- School of Basic Medical Science, Tianjin Medical University, Tianjin, China
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Ketley RF, Gullerova M. Jack of all trades? The versatility of RNA in DNA double-strand break repair. Essays Biochem 2020; 64:721-735. [PMID: 32618336 PMCID: PMC7592198 DOI: 10.1042/ebc20200008] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/08/2020] [Accepted: 06/11/2020] [Indexed: 12/20/2022]
Abstract
The mechanisms by which RNA acts in the DNA damage response (DDR), specifically in the repair of DNA double-strand breaks (DSBs), are emerging as multifaceted and complex. Different RNA species, including but not limited to; microRNA (miRNA), long non-coding RNA (lncRNA), RNA:DNA hybrid structures, the recently identified damage-induced lncRNA (dilncRNA), damage-responsive transcripts (DARTs), and DNA damage-dependent small RNAs (DDRNAs), have been shown to play integral roles in the DSB response. The diverse properties of these RNAs, such as sequence, structure, and binding partners, enable them to fulfil a variety of functions in different cellular contexts. Additionally, RNA can be modified post-transcriptionally, a process which is regulated in response to cellular stressors such as DNA damage. Many of these mechanisms are not yet understood and the literature contradictory, reflecting the complexity and expansive nature of the roles of RNA in the DDR. However, it is clear that RNA is pivotal in ensuring the maintenance of genome integrity. In this review, we will discuss and summarise recent evidence which highlights the roles of these various RNAs in preserving genomic integrity, with a particular focus on the emerging role of RNA in the DSB repair response.
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Affiliation(s)
- Ruth F Ketley
- Sir William Dunn School of Pathology, South Parks Road, Oxford OX1 3RE, United Kingdom
| | - Monika Gullerova
- Sir William Dunn School of Pathology, South Parks Road, Oxford OX1 3RE, United Kingdom
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38
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Akshaya RL, Rohini M, Selvamurugan N. Regulation of Breast Cancer Progression by Noncoding RNAs. Curr Cancer Drug Targets 2020; 20:757-767. [PMID: 32652909 DOI: 10.2174/1568009620666200712144103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Breast cancer (BC) is the cardinal cause of cancer-related deaths among women across the globe. Our understanding of the molecular mechanisms underlying BC invasion and metastasis remains insufficient. Recent studies provide compelling evidence on the prospective contribution of noncoding RNAs (ncRNAs) and the association of different interactive mechanisms between these ncRNAs with breast carcinogenesis. MicroRNAs (small ncRNAs) and lncRNAs (long ncRNAs) have been explored extensively as classes of ncRNAs in the pathogenesis of several malignancies, including BC. OBJECTIVE In this review, we aim to provide a better understanding of the involvement of miRNAs and lncRNAs and their underlying mechanisms in BC development and progression that may assist the development of monitoring biomarkers and therapeutic strategies to effectively combat BC. CONCLUSION These ncRNAs play critical roles in cell growth, cell cycle regulation, epithelialmesenchymal transition (EMT), invasion, migration, and apoptosis among others, and were observed to be highly dysregulated in several cancers. The miRNAs and lncRNAs were observed to interact with each other through several mechanisms that governed the expression of their respective targets and could act either as tumor suppressors or as oncogenes, playing a crucial part in breast carcinogenesis.
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Affiliation(s)
- Ravishkumar L Akshaya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Muthukumar Rohini
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Nagarajan Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
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Podralska M, Ciesielska S, Kluiver J, van den Berg A, Dzikiewicz-Krawczyk A, Slezak-Prochazka I. Non-Coding RNAs in Cancer Radiosensitivity: MicroRNAs and lncRNAs as Regulators of Radiation-Induced Signaling Pathways. Cancers (Basel) 2020; 12:E1662. [PMID: 32585857 PMCID: PMC7352793 DOI: 10.3390/cancers12061662] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 02/07/2023] Open
Abstract
Radiotherapy is a cancer treatment that applies high doses of ionizing radiation to induce cell death, mainly by triggering DNA double-strand breaks. The outcome of radiotherapy greatly depends on radiosensitivity of cancer cells, which is determined by multiple proteins and cellular processes. In this review, we summarize current knowledge on the role of microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), in determining the response to radiation. Non-coding RNAs modulate ionizing radiation response by targeting key signaling pathways, including DNA damage repair, apoptosis, glycolysis, cell cycle arrest, and autophagy. Additionally, we indicate miRNAs and lncRNAs that upon overexpression or inhibition alter cellular radiosensitivity. Current data indicate the potential of using specific non-coding RNAs as modulators of cellular radiosensitivity to improve outcome of radiotherapy.
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Affiliation(s)
- Marta Podralska
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznań, Poland;
| | - Sylwia Ciesielska
- Department of Systems Biology and Engineering, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland;
| | - Joost Kluiver
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, 9700RB Groningen, The Netherlands; (J.K.); (A.v.d.B.)
| | - Anke van den Berg
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, 9700RB Groningen, The Netherlands; (J.K.); (A.v.d.B.)
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Masoudi-Khoram N, Abdolmaleki P, Hosseinkhan N, Nikoofar A, Mowla SJ, Monfared H, Baldassarre G. Differential miRNAs expression pattern of irradiated breast cancer cell lines is correlated with radiation sensitivity. Sci Rep 2020; 10:9054. [PMID: 32493932 PMCID: PMC7270150 DOI: 10.1038/s41598-020-65680-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 05/07/2020] [Indexed: 02/08/2023] Open
Abstract
Radiotherapy is a fundamental step in the treatment of breast cancer patients. The treatment efficiency is however reduced by the possible onset of radiation resistance. In order to develop the effective treatment approach, it is important to understand molecular basis of radiosensitivity in breast cancer. The purpose of the present study was to investigate different radiation response of breast cancer cell lines, and find out if this response may be related to change in the microRNAs expression profile. MDA-MB-231 and T47D cells were subjected to different doses of radiation, then MTT and clonogenic assays were performed to assess radiation sensitivity. Cytofluorometric and western blot analysis were performed to gain insight into cell cycle distribution and protein expression. MicroRNA sequencing and bioinformatics prediction methods were used to identify the difference in microRNAs expression between two breast cancer cells and the related genes and pathways. T47D cells were more sensitive to radiation respect to MDA-MB-231 cells as demonstrated by a remarkable G2 cell cycle arrest followed by a greater reduction in cell viability and colony forming ability. Accordingly, T47D cells showed higher increase in the phosphorylation of ATM, TP53 and CDK1 (markers of radiation response) and faster and more pronounced increase in RAD51 and γH2AX expression (markers of DNA damage), when compared to MDA-MB-231 cells. The two cell lines had different microRNAs expression profiles with a confirmed significant differential expression of miR-16-5p, which targets cell cycle related genes and predicts longer overall survival of breast cancer patients, as determined by bioinformatics analysis. These results suggest a possible role for miR-16-5p as radiation sensitizing microRNA and as prognostic/predictive biomarker in breast cancer.
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Affiliation(s)
- Nastaran Masoudi-Khoram
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Parviz Abdolmaleki
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Nazanin Hosseinkhan
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Alireza Nikoofar
- Department of Radiotherapy, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Seyed Javad Mowla
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Hamideh Monfared
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Gustavo Baldassarre
- Division of Experimental Oncology 2, Department of Translational Research, CRO, National Cancer Institute, Aviano, Italy
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41
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Dissecting miRNA facilitated physiology and function in human breast cancer for therapeutic intervention. Semin Cancer Biol 2020; 72:46-64. [PMID: 32497683 DOI: 10.1016/j.semcancer.2020.05.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/17/2020] [Accepted: 05/27/2020] [Indexed: 12/12/2022]
Abstract
MicroRNAs (miRNAs) are key epigenomic regulators of biological processes in animals and plants. These small non coding RNAs form a complex networks that regulate cellular function and development. MiRNAs prevent translation by either inactivation or inducing degradation of mRNA, a major concern in post-transcriptional gene regulation. Aberrant regulation of gene expression by miRNAs is frequently observed in cancer. Overexpression of various 'oncomiRs' and silencing of tumor suppressor miRNAs are associated with various types of human cancers, although overall downregulation of miRNA expression is reported as a hallmark of cancer. Modulations of the total pool of cellular miRNA by alteration in genetic and epigenetic factors associated with the biogenesis of miRNA machinery. It also depends on the availability of cellular miRNAs from its store in the organelles which affect tumor development and cancer progression. Here, we have dissected the roles and pathways of various miRNAs during normal cellular and molecular functions as well as during breast cancer progression. Recent research works and prevailing views implicate that there are two major types of miRNAs; (i) intracellular miRNAs and (ii) extracellular miRNAs. Concept, that the functions of intracellular miRNAs are driven by cellular organelles in mammalian cells. Extracellular miRNAs function in cell-cell communication in extracellular spaces and distance cells through circulation. A detailed understanding of organelle driven miRNA function and the precise role of extracellular miRNAs, pre- and post-therapeutic implications of miRNAs in this scenario would open several avenues for further understanding of miRNA function and can be better exploited for the treatment of breast cancers.
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42
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Cantile M, Di Bonito M, Cerrone M, Collina F, De Laurentiis M, Botti G. Long Non-Coding RNA HOTAIR in Breast Cancer Therapy. Cancers (Basel) 2020; 12:cancers12051197. [PMID: 32397382 PMCID: PMC7281113 DOI: 10.3390/cancers12051197] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/05/2020] [Accepted: 05/06/2020] [Indexed: 02/07/2023] Open
Abstract
Breast cancer (BC) is the most common cancer type among women, and morbidity and mortality rates are still very high. Despite new innovative therapeutic approaches for all BC molecular subtypes, the discovery of new molecular biomarkers involved in tumor progression has been fundamental for the implementation of personalized treatment strategies and improvement of patient management. Many experimental studies indicate that long non-coding RNAs (lncRNAs) are strongly involved in BC initiation, metastatic progression, and drug resistance. In particular, aberrant expression of HOX transcript antisense intergenic RNA (HOTAIR) lncRNA plays an important role in BC contributing to its progression and represents a predictor of BC metastasis. For its proven prognostic value, HOTAIR could represent a potential therapeutic target in BC. In the present review, we summarize the role of HOTAIR in cancer progression and drug resistance, in particular in BC, and we illustrate the main approaches for silencing it.
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Affiliation(s)
- Monica Cantile
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.D.B.); (M.C.); (F.C.)
- Correspondence: ; Tel.: +39-0815903471; Fax: +39-0815903718
| | - Maurizio Di Bonito
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.D.B.); (M.C.); (F.C.)
| | - Margherita Cerrone
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.D.B.); (M.C.); (F.C.)
| | - Francesca Collina
- Pathology Unit, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy; (M.D.B.); (M.C.); (F.C.)
| | | | - Gerardo Botti
- Scientific Direction, Istituto Nazionale Tumori-Irccs-Fondazione G.Pascale, 80131 Naples, Italy;
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Jin KT, Yao JY, Fang XL, Di H, Ma YY. Roles of lncRNAs in cancer: Focusing on angiogenesis. Life Sci 2020; 252:117647. [PMID: 32275935 DOI: 10.1016/j.lfs.2020.117647] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/31/2020] [Accepted: 04/05/2020] [Indexed: 02/07/2023]
Abstract
Approximately 98% of the human genome consists of non-coding sequences that are classified into two classes by size: small non-coding RNAs (≤200 nucleotides) and long non-coding RNAs (≥200 nucleotides). Long non-coding RNAs (lncRNAs) are involved in various cellular events and act as guides, signals, decoys, and dynamic scaffolds. Due to their oncogenic and tumor suppressive roles, lncRNAs are important in cancer development and growth. LncRNAs play their roles by modulating cancer hallmarks, including DNA damage, metastasis, immune escape, cell stemness, drug resistance, metabolic reprogramming, and angiogenesis. Angiogenesis is vital for solid tumors which guarantees their growth beyond 2 mm3. Tumor angiogenesis is a complex process and is regulated through interaction between pro-angiogenic and anti-angiogenic factors within the tumor microenvironment. There are accumulating evidence that different lncRNAs regulate tumor angiogenesis. In this paper, we described the functions and mechanisms of lncRNAs in tumor angiogenesis.
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Affiliation(s)
- Ke-Tao Jin
- Department of Colorectal Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing 312000, Zhejiang Province, PR China
| | - Jia-Yu Yao
- Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR China; Clinical Research Institute, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR China
| | - Xing-Liang Fang
- Acupuncture and Tuina Clinic, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR China
| | - Hua Di
- Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR China; Department of Hepatobiliary Surgery, Affiliated Hospital of Shaoxing University (Shaoxing Municipal Hospital), Shaoxing 312000, Zhejiang Province, PR China.
| | - Ying-Yu Ma
- Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR China; Clinical Research Institute, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, PR 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: 59] [Impact Index Per Article: 14.8] [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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Wang Y, Gong G, Xu J, Zhang Y, Wu S, Wang S. Long noncoding RNA HOTAIR promotes breast cancer development by targeting ZEB1 via sponging miR-601. Cancer Cell Int 2020; 20:320. [PMID: 32694942 PMCID: PMC7367248 DOI: 10.1186/s12935-020-01410-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 07/08/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Breast cancer (BC) is a common malignancy worldwide. It has been reported that long non-coding RNA (lncRNA) HOX transcript antisense RNA (HOTAIR) is abnormally expressed in BC. However, the role of HOTAIR in the malignancy of BC is worth further discussion. This study aims to clarify the function and molecular mechanism of HOTAIR in BC. METHODS Quantitative real-time polymerase chain reaction (qRT-PCR) was employed to determine the expression of HOTAIR, microRNA (miR)-601 and zinc finger E-box binding homeobox 1 (ZEB1). Cell counting kit-8 (CCK-8) and transwell assay were used to detect the proliferation, migration and invasion of cells. Further, the protein levels of AKT, phosphorylated-AKT (p-AKT), ZEB1 and Ki-67 were confirmed by western blot (WB) assay. Moreover, dual-luciferase reporter assay was applied to examine the targeting relationship between HOTAIR and miR-601 or miR-601 and ZEB1. In addition, animal experiments were conducted to verify the effect of HOTAIR on BC tumor growth in vivo. RESULTS HOTAIR was upregulated in BC tissues and cells, and its knockdown suppressed the proliferation, migration, invasion and the activity of AKT signaling pathway of BC cells. HOTAIR could serve as a sponge of miR-601. Further experiments revealed that miR-601 inhibitor could reverse the inhibition effect of HOTAIR silencing on the progression of BC. Meanwhile, ZEB1 was a target of miR-601, and its overexpression could invert the suppression effect of miR-601 overexpression on the progression of BC. Additionally, ZEB1 expression was regulated by HOTAIR and miR-601. Furthermore, interference of HOTAIR could attenuate BC tumor growth in vivo. CONCLUSION In short, this study demonstrated that HOTAIR promoted the proliferation, migration, invasion of BC through regulating the miR-601/ZEB1 axis, which provided a theoretical basis for the research on lncRNA-directed therapeutics in BC.
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Affiliation(s)
- Yuanyuan Wang
- Department of Pathology, Shantou Central Hospital and Affiliated Shantou Hospital of Sun Yat-Sen University, Shantou, 515000 China
| | - Guoliang Gong
- Department of Pathology, The First Affiliated Hospital of Shantou University Medical College, No. 57, Changping Road, Shantou, 515041 Guangdong China
- Department of Pathology, Chaonan Minsheng Hospital of Shantou, Shantou, 515000 China
| | - Jingyun Xu
- Department of Pathology, The First Affiliated Hospital of Shantou University Medical College, No. 57, Changping Road, Shantou, 515041 Guangdong China
| | - Yuanxin Zhang
- Department of Pathology, Chaonan Minsheng Hospital of Shantou, Shantou, 515000 China
| | - Shenggui Wu
- Department of Pathology, Chaonan Minsheng Hospital of Shantou, Shantou, 515000 China
| | - Shaohong Wang
- Department of Pathology, Shantou Central Hospital and Affiliated Shantou Hospital of Sun Yat-Sen University, Shantou, 515000 China
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Yang Y, Xu W, Zheng Z, Cao Z. LINC00459 sponging miR-218 to elevate DKK3 inhibits proliferation and invasion in melanoma. Sci Rep 2019; 9:19139. [PMID: 31844121 PMCID: PMC6914790 DOI: 10.1038/s41598-019-55701-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 11/27/2019] [Indexed: 12/22/2022] Open
Abstract
The lncRNA biomarkers in melanoma remain to be further explored. The lncRNAs with different expression levels in melanoma tissue were identified by microarray analysis. To investigate the biological functions of target lncRNA, several in-vivo and in-vitro studies were performed. Potential mechanisms of competitive endogenous RNAs (ceRNAs) were predicted by using bioinformatics analysis and explored by western blot assay, fluorescence in situ hybridization assay, real-time quantitative PCR (RT-qPCR) array, RNA pull-down analysis, AGO2-RIP assay, and dual-luciferase reporter assay. The results demonstrated decreased LINC00459 in melanoma cell lines and tissues. According to the in-vitro and in-vivo experiments, up-regulated LINC00459 had inhibitory effect on cell proliferation and invasion. Bioinformatics analyses suggested that miR-218 could be a direct target of LINC00459. In addition, miR-218 was proved to be able to directly target the dickkopf-related protein 3 (DKK3) gene. In conclusion, our analysis suggested that the LINC00459 could sponge miR-218 and increase the expression of DKK3 gene, thus inhibiting the invasion and proliferation of melanoma cells, which indicated that the LINC00459 could be an effective biomarker for melanoma and its potential as the therapeutic target.
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Affiliation(s)
- Yuhua Yang
- Department of Dermatology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Wenxian Xu
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhuojun Zheng
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, China.
| | - Zhihai Cao
- Department of Emergency, The Third Affiliated Hospital of Soochow University, Changzhou, China.
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Long Non-Coding RNA: Dual Effects on Breast Cancer Metastasis and Clinical Applications. Cancers (Basel) 2019; 11:cancers11111802. [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] [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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Lu X, Chen F, Yuan D, He X, Liu X, Zi Y, Lu Y. Retracted Article: Exosome-derived PTENP1 suppresses cisplatin resistance of bladder cancer (BC) by suppressing cell proliferation, migration and inducing apoptosis via the miR-103a/PDCD4 axis. RSC Adv 2019; 9:37642-37651. [PMID: 35542268 PMCID: PMC9075761 DOI: 10.1039/c9ra07823a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 11/07/2019] [Indexed: 11/26/2022] Open
Abstract
Bladder cancer (BC) is a lethal cancer that threatens the health of millions of people. Chemotherapy drug resistance, for example, cisplatin (DDP) resistance, is a huge limitation for BC therapy. PTEN pseudogene-1 (PTENP1) has been identified as a significant biomarker of multiple cancers. Therefore, it is essential to illuminate the molecular mechanism of PTENP1 in BC cell DDP resistance and progression. Serum exosomes were isolated using an ExoQuick precipitation kit. Serum exosomes were round-shaped vesicles of 100 ± 60 nm in size. The expression of PTENP1 was down-regulated in serum exosomes isolated from cisplatin non-responsive patients compared with responsive patients. ROC curves certified the diagnostic value of PTENP1. Apparently, PTENP1 transfection inhibited DDP-resistant BC cell proliferation, migration, cisplatin resistance and facilitated apoptosis. Next, we discovered that PTENP1 was a sponge of miR-103a, while PDCD4 was a target of miR-103a. More importantly, PTENP1 regulated DDP-resistant cell viability, migration, apoptosis and cisplatin resistance by interacting with the miR-103a/PDCD4 axis. In addition, PTENP1 hindered tumor growth of cisplatin-resistant mice. Exosome-derived PTENP1 suppressed the DDP resistance of BC by inhibiting cell proliferation, migration and promoting apoptosis through regulating the miR-103a/PDCD4 axis, representing a targeted therapy for DDP-resistant BC patients.
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Affiliation(s)
- Xingre Lu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Fengyu Chen
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Diao Yuan
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Xiang He
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Xiaowen Liu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Yunju Zi
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
| | - Yu Lu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture in Yunnan ProvinceNo. 228, Kaihua Middle RoadWenshanYunnan663000China+86 876 2124990
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Guo Q, Lv S, Wang B, Li Y, Cha N, Zhao R, Bao W, Jia B. Long non-coding RNA PRNCR1 has an oncogenic role in breast cancer. Exp Ther Med 2019; 18:4547-4554. [PMID: 31798697 PMCID: PMC6878908 DOI: 10.3892/etm.2019.8152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 07/16/2019] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) have important roles in the development and progression of various types of human cancer. However, the expression and function of the lncRNA prostate cancer-associated non-coding RNA 1 (PRNCR1) in breast cancer remains unclear. Reverse transcription-quantitative PCR was performed to measure the levels of mRNA expression. Cell counting kit-8, flow cytometry, wound healing and Transwell assays were also performed to study cell proliferation, cell cycle, migration and invasion, respectively. The results of the present study revealed that PRNCR1 expression levels were higher in breast cancer tissues compared with adjacent normal tissues in a patient study. It was also determined that high expression of PRNCR1 was significantly associated with advanced clinical stage, positive metastasis and poor prognosis for patients with breast cancer. In vitro experiments determined that PRNCR1 was significantly upregulated in the breast cancer cell lines BT-549, MCF-7, SK-BR-3 and MDA-MB-231 compared with the normal human breast cell line, MCF-10A. Silencing of PRNCR1 significantly inhibited the proliferation, colony formation, cell cycle progression, migration and invasion of SK-BR-3 and BT-549 cells, while cell apoptosis was induced. In addition, knockdown of PRNCR1 suppressed epithelial-mesenchymal transition in SK-BR-3 and BT-549 cells. In summary, the present results demonstrated that lncRNA PRNCR1 was significantly upregulated in breast cancer and was associated with cancer progression and poor patient prognosis. In vitro experiments determined that knockdown of PRNCR1 inhibited the malignant phenotypes of breast cancer cells. Taken together, the results indicated that PRNCR1 may be used as a potential therapeutic target for patients with breast cancer.
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Affiliation(s)
- Qian Guo
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Shuang Lv
- Department of Oncology, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Bingping Wang
- Oncology Institute, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Yinbing Li
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Nier Cha
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Ruigang Zhao
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Wenhua Bao
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
| | - Baoqing Jia
- Breast Neoplasms Surgical Department, Inner Mongolia People's Hospital, Huhehot, Inner Mongolia 010010, P.R. China
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Youness RA, Gad MZ. Long non-coding RNAs: Functional regulatory players in breast cancer. Noncoding RNA Res 2019; 4:36-44. [PMID: 30891536 PMCID: PMC6404363 DOI: 10.1016/j.ncrna.2019.01.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 12/24/2018] [Accepted: 01/22/2019] [Indexed: 02/06/2023] Open
Abstract
Historically, the long-held protein-centered bias has denoted 98% of the human genome as 'Junk' DNA. However, the current work has shifted the perception of such 'junk' transcriptional products to functional regulatory molecules. The recent surveillance of the human transcriptome has highlighted the pivotal role of such non-coding RNA (ncRNA) molecules in diverse physiological and pathological conditions. Long non-coding RNA (lncRNA) is a recent class of ncRNA molecules that is still in its infancy stage. The main focus of this review is to unravel the importance of lncRNAs in the most prevalent malignancy among females which is Breast Cancer (BC). A specific focus on lncRNAs as prognostic markers among BC patients showing molecular subtype heterogeneity was also tackled in this review. Finally, the functional and the mechanistic roles of such booming ncRNA molecules in shaping the fate of the BC progression have been highlighted.
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Affiliation(s)
- Rana Ahmed Youness
- Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, New Cairo City, Main Entrance Al Tagamoa Al Khames, 11835, Cairo, Egypt
| | - Mohamed Zakaria Gad
- Biochemistry Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, New Cairo City, Main Entrance Al Tagamoa Al Khames, 11835, Cairo, Egypt
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