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Chen B, Liu J. Advances in ovarian tumor stem cells and therapy. Cell Biochem Biophys 2024:10.1007/s12013-024-01385-8. [PMID: 38955927 DOI: 10.1007/s12013-024-01385-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2024] [Indexed: 07/04/2024]
Abstract
Ovarian cancer is considered the most lethal among all gynecological malignancies due to its early metastatic dissemination, extensive spread, and malignant ascites. The current standard of care for advanced ovarian cancer involves a combination of cytoreductive surgery and chemotherapy utilizing platinum-based and taxane-based agents. Although initial treatment yields clinical remission in 70-80% of patients, the majority eventually develop treatment resistance and tumor recurrence. A growing body of evidence indicates the existence of cancer stem cells within diverse solid tumors, including ovarian cancer, which function as a subpopulation to propel tumor growth and disease advancement by means of drug resistance, recurrence, and metastasis. The presence of ovarian cancer stem cells is widely considered to be a significant contributor to the unfavorable clinical outcomes observed in patients with ovarian cancer, as they play a crucial role in mediating chemotherapy resistance, recurrence, and metastasis. Ovarian cancer stem cells possess the capacity to reassemble within the entirety of the tumor following conventional treatment, thereby instigating the recurrence of ovarian cancer and inducing resistance to treatment. Consequently, the creation of therapeutic approaches aimed at eliminating ovarian cancer stem cells holds great potential for the management of ovarian cancer. These cells are regarded as one of the most auspicious targets and mechanisms for the treatment of ovarian cancer. There is a pressing need for a comprehensive comprehension of the fundamental mechanisms of ovarian cancer's recurrence, metastasis, and drug resistance, alongside the development of effective strategies to overcome chemoresistance, metastasis, and recurrence. The implementation of cancer stem cell therapies may potentially augment the tumor cells' sensitivity to existing chemotherapy protocols, thereby mitigating the risks of tumor metastasis and recurrence, and ultimately improving the survival rates of ovarian cancer patients.
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Affiliation(s)
- Biqing Chen
- Harbin Medical University, Harbin, Heilongjiang, China.
| | - Jiaqi Liu
- Jilin University, Changchun, Jilin Province, China
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2
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Kutz O, Drukewitz S, Krüger A, Aust D, William D, Oster S, Schröck E, Baretton G, Link T, Wimberger P, Kuhlmann JD. Exploring evolutionary trajectories in ovarian cancer patients by longitudinal analysis of ctDNA. Clin Chem Lab Med 2024; 0:cclm-2023-1266. [PMID: 38577791 DOI: 10.1515/cclm-2023-1266] [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: 11/09/2023] [Accepted: 03/12/2024] [Indexed: 04/06/2024]
Abstract
OBJECTIVES We analysed whether temporal heterogeneity of ctDNA encodes evolutionary patterns in ovarian cancer. METHODS Targeted sequencing of 275 cancer-associated genes was performed in a primary tumor biopsy and in ctDNA of six longitudinal plasma samples from 15 patients, using the Illumina platform. RESULTS While there was low overall concordance between the mutational spectrum of the primary tumor biopsies vs. ctDNA, TP53 variants were the most commonly shared somatic alterations. Up to three variant clusters were detected in each tumor biopsy, likely representing predominant clones of the primary tumor, most of them harbouring a TP53 variant. By tracing these clusters in ctDNA, we propose that liquid biopsy may allow to assess the contribution of ancestral clones of the tumor to relapsed abdominal masses, revealing two evolutionary patterns. In pattern#1, clusters detected in the primary tumor biopsy were likely relapse seeding clones, as they contributed a major share to ctDNA at relapse. In pattern#2, similar clusters were present in tumors and ctDNA; however, they were entirely cleared from liquid biopsy after chemotherapy and were undetectable at relapse. ctDNA private variants were present among both patterns, with some of them mirroring subclonal expansions after chemotherapy. CONCLUSIONS We demonstrate that tracing the temporal heterogeneity of ctDNA, even below exome scale resolution, deciphers evolutionary trajectories in ovarian cancer. Furthermore, we describe two evolutionary patterns that may help to identify relapse seeding clones for targeted therapy.
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Affiliation(s)
- Oliver Kutz
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Institute for Clinical Genetics, 9169 University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- ERN GENTURIS, 9169 Hereditary Cancer Syndrome Center , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- 9169 Max Planck Institute of Molecular Cell Biology and Genetics , Dresden, Germany
| | - Stephan Drukewitz
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
- Core Unit for Molecular Tumor Diagnostics (CMTD), 9169 Technische Universitat Dresden , Dresden, Sachsen, Germany
| | - Alexander Krüger
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Core Unit for Molecular Tumor Diagnostics (CMTD), 9169 Technische Universitat Dresden , Dresden, Sachsen, Germany
| | - Daniela Aust
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- Institute for Pathology, 9169 University Hospital Carl Gustav Carus at the TU Dresden , Dresden, Germany
- 9169 Tumor- and Normal Tissue Bank of the NCT/UCC Dresden , Dresden, Germany
| | - Doreen William
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Institute for Clinical Genetics, 9169 University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- ERN GENTURIS, 9169 Hereditary Cancer Syndrome Center , Dresden, Germany
- 9169 National Center for Tumor Diseases Dresden (NCT/UCC) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- 9169 Max Planck Institute of Molecular Cell Biology and Genetics , Dresden, Germany
- Core Unit for Molecular Tumor Diagnostics (CMTD), 9169 National Center for Tumor Diseases Dresden (NCT/UCC) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus, TU Dresden , Dresden, Germany
| | - Sandra Oster
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Core Unit for Molecular Tumor Diagnostics (CMTD), 9169 National Center for Tumor Diseases Dresden (NCT/UCC) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus, TU Dresden , Dresden, Germany
| | - Evelin Schröck
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- Institute for Clinical Genetics, 9169 University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- ERN GENTURIS, 9169 Hereditary Cancer Syndrome Center , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- 9169 Max Planck Institute of Molecular Cell Biology and Genetics , Dresden, Germany
- Core Unit for Molecular Tumor Diagnostics (CMTD), 9169 Technische Universitat Dresden , Dresden, Sachsen, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus, TU Dresden , Dresden, Germany
| | - Gustavo Baretton
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
- Institute for Pathology, 9169 University Hospital Carl Gustav Carus at the TU Dresden , Dresden, Germany
- 9169 Tumor- and Normal Tissue Bank of the NCT/UCC Dresden , Dresden, Germany
| | - Theresa Link
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
| | - Jan Dominik Kuhlmann
- Department of Gynecology and Obstetrics, Medical Faculty and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 National Center for Tumour Diseases (NCT) , Dresden, Germany
- 9169 German Cancer Research Center (DKFZ) , Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, 9169 Technische Universität Dresden , Dresden, Germany
- 9169 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) , Dresden, Germany
- 9169 German Cancer Consortium (DKTK) , Dresden, Germany
- 9169 Faculty of Medicine and University Hospital Carl Gustav Carus at TU Dresden , Dresden, Germany
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Alam S, Giri PK. Novel players in the development of chemoresistance in ovarian cancer: ovarian cancer stem cells, non-coding RNA and nuclear receptors. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2024; 7:6. [PMID: 38434767 PMCID: PMC10905178 DOI: 10.20517/cdr.2023.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/03/2024] [Accepted: 02/22/2024] [Indexed: 03/05/2024]
Abstract
Ovarian cancer (OC) ranks as the fifth leading factor for female mortality globally, with a substantial burden of new cases and mortality recorded annually. Survival rates vary significantly based on the stage of diagnosis, with advanced stages posing significant challenges to treatment. OC is primarily categorized as epithelial, constituting approximately 90% of cases, and correct staging is essential for tailored treatment. The debulking followed by chemotherapy is the prevailing treatment, involving platinum-based drugs in combination with taxanes. However, the efficacy of chemotherapy is hindered by the development of chemoresistance, both acquired during treatment (acquired chemoresistance) and intrinsic to the patient (intrinsic chemoresistance). The emergence of chemoresistance leads to increased mortality rates, with many advanced patients experiencing disease relapse shortly after initial treatment. This review delves into the multifactorial nature of chemoresistance in OC, addressing mechanisms involving transport systems, apoptosis, DNA repair, and ovarian cancer stem cells (OCSCs). While previous research has identified genes associated with these mechanisms, the regulatory roles of non-coding RNA (ncRNA) and nuclear receptors in modulating gene expression to confer chemoresistance have remained poorly understood and underexplored. This comprehensive review aims to shed light on the genes linked to different chemoresistance mechanisms in OC and their intricate regulation by ncRNA and nuclear receptors. Specifically, we examine how these molecular players influence the chemoresistance mechanism. By exploring the interplay between these factors and gene expression regulation, this review seeks to provide a comprehensive mechanism driving chemoresistance in OC.
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Affiliation(s)
| | - Pankaj Kumar Giri
- Faculty of Life Sciences and Biotechnology, South Asian University, New Delhi 110068, India
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4
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Naciri I, Andrade-Ludena MD, Yang Y, Kong M, Sun S. An emerging link between lncRNAs and cancer sex dimorphism. Hum Genet 2023:10.1007/s00439-023-02620-7. [PMID: 38095719 PMCID: PMC11176266 DOI: 10.1007/s00439-023-02620-7] [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: 05/25/2023] [Accepted: 11/05/2023] [Indexed: 06/15/2024]
Abstract
The prevalence and progression of cancer differ in males and females, and thus, sexual dimorphism in tumor development directly impacts clinical research and medicine. Long non-coding RNAs (lncRNAs) are increasingly recognized as important players in gene expression and various cellular processes, including cancer development and progression. In recent years, lncRNAs have been implicated in the differences observed in cancer incidence, progression, and treatment responses between men and women. Here, we present a brief overview of the current knowledge regarding the role of lncRNAs in cancer sex dimorphism, focusing on how they affect epigenetic processes in male and female mammalian cells. We discuss the potential mechanisms by which lncRNAs may contribute to sex differences in cancer, including transcriptional control of sex chromosomes, hormonal signaling pathways, and immune responses. We also propose strategies for studying lncRNA functions in cancer sex dimorphism. Furthermore, we emphasize the importance of considering sex as a biological variable in cancer research and the need to investigate the role lncRNAs play in mediating these sex differences. In summary, we highlight the emerging link between lncRNAs and cancer sex dimorphism and their potential as therapeutic targets.
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Affiliation(s)
- Ikrame Naciri
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA, 92697, USA
| | - Maria D Andrade-Ludena
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA, 92697, USA
| | - Ying Yang
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA, 92697, USA
| | - Mei Kong
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA, 92697, USA.
| | - Sha Sun
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA, 92697, USA.
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5
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Okuda S, Ohuchida K, Nakamura S, Tsutsumi C, Hisano K, Mochida Y, Kawata J, Ohtsubo Y, Shinkawa T, Iwamoto C, Torata N, Mizuuchi Y, Shindo K, Moriyama T, Nakata K, Torisu T, Morisaki T, Kitazono T, Oda Y, Nakamura M. Neoadjuvant chemotherapy enhances anti-tumor immune response of tumor microenvironment in human esophageal squamous cell carcinoma. iScience 2023; 26:106480. [PMID: 37091252 PMCID: PMC10113784 DOI: 10.1016/j.isci.2023.106480] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 02/08/2023] [Accepted: 03/19/2023] [Indexed: 04/25/2023] Open
Abstract
Although chemotherapy has been an essential treatment for cancer, the development of immune checkpoint blockade therapy was revolutionary, and a comprehensive understanding of the immunological tumor microenvironment (TME) has become crucial. Here, we investigated the impact of neoadjuvant chemotherapy (NAC) on immune cells in the TME of human esophageal squamous cell carcinoma using single cell RNA-sequencing. Analysis of 30 fresh samples revealed that CD8+/CD4+ T cells, dendritic cells (DCs), and macrophages in the TME of human esophageal squamous cell carcinoma showed higher levels of an anti-tumor immune response in the NAC(+) group than in the NAC(-) group. Furthermore, the immune cells of the NAC(+) group interacted with each other resulting in enhanced anti-tumor immune response via various cytokines, including IFNG in CD8+/CD4+ T cells, EBI3 in DCs, and NAMPT in macrophages. Our results suggest that NAC potentially enhances the anti-tumor immune response of immune cells in the TME.
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Affiliation(s)
- Sho Okuda
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Kenoki Ohuchida
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Corresponding author
| | - Shoichi Nakamura
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Chikanori Tsutsumi
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Kyoko Hisano
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yuki Mochida
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Jun Kawata
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu Hospital, Fukuoka 812-8582, Japan
| | - Yoshiki Ohtsubo
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Tomohiko Shinkawa
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Chika Iwamoto
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Nobuhiro Torata
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yusuke Mizuuchi
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Koji Shindo
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Taiki Moriyama
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Kohei Nakata
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takehiro Torisu
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Morisaki
- Department of Cancer Immunotherapy, Fukuoka General Cancer Clinic, Fukuoka 812-0018, Japan
| | - Takanari Kitazono
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu Hospital, Fukuoka 812-8582, Japan
| | - Masafumi Nakamura
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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Farzaneh M, Nasrolahi A, Ghaedrahmati F, Masoodi T, Najafi S, Sheykhi-Sabzehpoush M, Dari MAG, Radoszkiewicz K, Uddin S, Azizidoost S, Khoshnam SE. Potential roles of lncRNA-XIST/miRNAs/mRNAs in human cancer cells. Clin Transl Oncol 2023:10.1007/s12094-023-03110-y. [PMID: 36853400 DOI: 10.1007/s12094-023-03110-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/31/2023] [Indexed: 03/01/2023]
Abstract
Long non-coding RNAs (lncRNAs) are non-coding RNAs that contain more than 200 nucleotides but do not code for proteins. In tumorigenesis, lncRNAs can have both oncogenic and tumor-suppressive properties. X inactive-specific transcript (XIST) is a known lncRNA that has been implicated in X chromosome silencing in female cells. Dysregulation of XIST is associated with an increased risk of various cancers. Therefore, XIST can be a beneficial prognostic biomarker for human malignancies. In this review, we attempt to summarize the emerging roles of XIST in human cancers.
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Affiliation(s)
- Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ava Nasrolahi
- Infectious Ophthalmologic Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Farhoodeh Ghaedrahmati
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Tariq Masoodi
- Laboratory of Molecular and Metabolic Imaging, Cancer Research Department, Sidra Medicine, 26999, Doha, Qatar
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mahrokh Abouali Gale Dari
- Department of Obstetrics and Gynecology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Klaudia Radoszkiewicz
- Translational Platform for Regenerative Medicine, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
| | - Shahab Uddin
- Translational Research Institute and Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Shirin Azizidoost
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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7
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Gong X, Chi H, Strohmer DF, Teichmann AT, Xia Z, Wang Q. Exosomes: A potential tool for immunotherapy of ovarian cancer. Front Immunol 2023; 13:1089410. [PMID: 36741380 PMCID: PMC9889675 DOI: 10.3389/fimmu.2022.1089410] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/30/2022] [Indexed: 01/19/2023] Open
Abstract
Ovarian cancer is a malignant tumor of the female reproductive system, with a very poor prognosis and high mortality rates. Chemotherapy and radiotherapy are the most common treatments for ovarian cancer, with unsatisfactory results. Exosomes are a subpopulation of extracellular vesicles, which have a diameter of approximately 30-100 nm and are secreted by many different types of cells in various body fluids. Exosomes are highly stable and are effective carriers of immunotherapeutic drugs. Recent studies have shown that exosomes are involved in various cellular responses in the tumor microenvironment, influencing the development and therapeutic efficacy of ovarian cancer, and exhibiting dual roles in inhibiting and promoting tumor development. Exosomes also contain a variety of genes related to ovarian cancer immunotherapy that could be potential biomarkers for ovarian cancer diagnosis and prognosis. Undoubtedly, exosomes have great therapeutic potential in the field of ovarian cancer immunotherapy. However, translation of this idea to the clinic has not occurred. Therefore, it is important to understand how exosomes could be used in ovarian cancer immunotherapy to regulate tumor progression. In this review, we summarize the biomarkers of exosomes in different body fluids related to immunotherapy in ovarian cancer and the potential mechanisms by which exosomes influence immunotherapeutic response. We also discuss the prospects for clinical application of exosome-based immunotherapy in ovarian cancer.
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Affiliation(s)
| | - Hao Chi
- Clinical Medical College, Southwest Medical University, Luzhou, China
| | - Dorothee Franziska Strohmer
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Alexander Tobias Teichmann
- Sichuan Provincial Center for Gynecology and Breast Diseases (Gynecology), Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Zhijia Xia
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany,*Correspondence: Zhijia Xia, ; Qin Wang,
| | - Qin Wang
- Sichuan Provincial Center for Gynecology and Breast Diseases (Gynecology), Affiliated Hospital of Southwest Medical University, Luzhou, China,*Correspondence: Zhijia Xia, ; Qin Wang,
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8
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Li J, Ming Z, Yang L, Wang T, Liu G, Ma Q. Long noncoding RNA XIST: Mechanisms for X chromosome inactivation, roles in sex-biased diseases, and therapeutic opportunities. Genes Dis 2022; 9:1478-1492. [PMID: 36157489 PMCID: PMC9485286 DOI: 10.1016/j.gendis.2022.04.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/16/2022] [Accepted: 04/18/2022] [Indexed: 11/30/2022] Open
Abstract
Sexual dimorphism has been reported in various human diseases including autoimmune diseases, neurological diseases, pulmonary arterial hypertension, and some types of cancers, although the underlying mechanisms remain poorly understood. The long noncoding RNA (lncRNA) X-inactive specific transcript (XIST) is involved in X chromosome inactivation (XCI) in female placental mammals, a process that ensures the balanced expression dosage of X-linked genes between sexes. XIST is abnormally expressed in many sex-biased diseases. In addition, escape from XIST-mediated XCI and skewed XCI also contribute to sex-biased diseases. Therefore, its expression or modification can be regarded as a biomarker for the diagnosis and prognosis of many sex-biased diseases. Genetic manipulation of XIST expression can inhibit the progression of some of these diseases in animal models, and therefore XIST has been proposed as a potential therapeutic target. In this manuscript, we summarize the current knowledge about the mechanisms for XIST-mediated XCI and the roles of XIST in sex-biased diseases, and discuss potential therapeutic strategies targeting XIST.
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Zhang X, Wang S, Cai Y, He W, Yang Q, Li C. Regulatory Mechanism of MicroRNA-9 / Long Non-Coding RNA XIST Expression on Mouse Macrophage RAW264.7 Apoptosis Induced by Oxidized Low Density Lipoprotein. Bioengineered 2022; 13:3537-3550. [PMID: 35109760 PMCID: PMC9487675 DOI: 10.1080/21655979.2021.2018978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
It aims to analyze the influential mechanism of microRNA-9 (miR-9) and long non-coding RNA XIST (lncRNA XIST) expression on the proliferation and apoptosis of macrophages induced by oxidized-low density lipoprotein (ox-LDL). Firstly, lncRNA XIST overexpression vector was constructed, and then RAW264.7 cells were used as the research object. Methylthiazolyl tetrazolium (MTT) method, flow cytometry, and Western blot were used to detect and compare the differences of cell proliferation, apoptosis, and the expression levels of apoptosis signal-regulating kinase 1 (ASK1), c-Jun N-terminal kinase (JNK), matrix metalloproteinase-9 (MMP-9), and B-cell lymphoma-2 (Bcl-2) after ox-LDL induction and transfection of miR-9 mimic, miR-9 inhibitor and XIST expression vector, respectively. The results showed that lncRNA XIST overexpression vector was successfully constructed and transfected into cells, wh5ich can inhibit the expression level of miR-9. Compared with the normal control group, ox-LDL can inhibit cell proliferation, promote cell apoptosis, and increase the expression level of target protein. Moreover, transfection of XIST expression vector based on ox-LDL induction can significantly enhance the inhibition of cell proliferation, and promote cell apoptosis and the expression of target protein. Transfection of miR-9 mimic can improve the biological changes induced by ox-LDL. After co-transfection of miR-9 mimic and XIST expression vector based on ox-LDL induction, cell proliferation, apoptosis, and target protein expression level were not significantly different from those induced by ox-LDL alone. In summary, the increased expression level of miR-9 can inhibit the apoptosis of macrophages induced by ox-LDL. lncRNA XIST can positively regulate the apoptosis of macrophages induced by ox-LDL.
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Affiliation(s)
- Xiaoling Zhang
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Si Wang
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuyan Cai
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Weihong He
- Department of Physiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan Province, China
| | - Qing Yang
- Department of Animal Imaging Platform of Public Experimental Technology Center, West China Hospital of Sichuan University, Chengdu, Sichuan Province, China
| | - Chen Li
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
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10
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Long H, Chen H, Yan J, Cheng H. Emodin exerts antitumor effects in ovarian cancer cell lines by preventing the development of cancer stem cells via epithelial mesenchymal transition. Oncol Lett 2022; 23:95. [PMID: 35154426 PMCID: PMC8822392 DOI: 10.3892/ol.2022.13215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 09/17/2021] [Indexed: 11/05/2022] Open
Abstract
Ovarian cancer has the worst prognosis among all types of gynecological malignancies and patients are often diagnosed at an advanced stage with distant metastasis. In the present study, it was found that emodin, a small molecular chemical drug derived from natural plants, has antitumor effects on ovarian cancer cells. Emodin induced cytotoxicity and inhibited proliferation in the ovarian cancer cell lines, SK-OV-3, A2780 and PA-1. In addition, emodin inhibited the migration and invasion abilities of the ovarian cancer cells by inhibiting epithelial-mesenchymal transition (EMT), which was evidenced by the downregulation of N-cadherin and vimentin, and the upregulation of E-cadherin protein expression levels. When a subcutaneous xenograft SK-OV-3 tumor mouse model was used, emodin notably reduced the tumor growth rate and inhibited tumor cell proliferation. Furthermore, mechanical analysis revealed that emodin markedly inhibited EMT and reduced the stemness of tumor cells, which was evidenced by the decrease in the protein expression of CD133 and Oct4. Pulmonary metastasis of the ovarian cancer cells was significantly suppressed in the tumor mouse model by the administration of emodin. In addition, flow cytometry analysis indicated that emodin significantly reduced the proportion of ovarian cancer stem-like cells in metastatic lung tissues. In conclusion, emodin, a potent inhibitor of EMT, could serve as a potential candidate for ovarian cancer therapy.
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Affiliation(s)
- Heming Long
- Department of Internal Medicine ‑ Oncology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Hongmei Chen
- Department of Internal Medicine ‑ Oncology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Jun Yan
- Department of Internal Medicine ‑ Oncology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Haiyan Cheng
- Department of Internal Medicine ‑ Oncology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
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11
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Xia X, Li Z, Li Y, Ye F, Zhou X. LncRNA XIST promotes carboplatin resistance of ovarian cancer through activating autophagy via targeting miR-506-3p/FOXP1 axis. J Gynecol Oncol 2022; 33:e81. [PMID: 36335987 PMCID: PMC9634093 DOI: 10.3802/jgo.2022.33.e81] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/05/2022] [Accepted: 08/07/2022] [Indexed: 11/07/2022] Open
Abstract
Objective Resistance to chemotherapy drugs makes ovarian cancer (OC) difficult to treat and ultimately kills patients. Long non-coding RNAs are closely related to carboplatin resistance in OC. In present study, we explored the role of lncRNA X-inactive specific transcript (XIST) on carboplatin resistance in OC. Methods Cell viability, proliferation, and apoptosis were assessed through 2,5-diphenyl-2H-tetrazolium bromide, colony formation, and flow cytometry assays, respectively. Microtubule-associated protein 1A/1B-light chain 3 expression was evaluated by immunofluorescence assay to analyze the cell autophagy. The interaction of XIST/miR-506-3p or miR-506-3p/forkhead box protein P1 (FOXP1) was analyzed using RNA immunoprecipitation (RIP) and dual-luciferases reporter assays. The function of XIST/miR-506-3p/FOXP1 axis in vivo was further confirmed by tumor xenograft study and immunohistochemistry. Results The expression of XIST and FOXP1 increased while miR-506-3p decreased in OC and carboplatin resistance cells. XIST silencing repressed the proliferative and autophagic capacities of carboplatin resistance cells while promoted the apoptosis. XIST overexpression led to the opposite results. XIST targeted miR-506-3p and downregulated its expression. MiR-506-3p inhibition facilitated the proliferative and autophagic capacities while suppressed the apoptosis of cells, XIST knockdown reversed these effects. MiR-506-3p bound to FOXP1. XIST knockdown or miR-506-3p overexpression reversed the increase of cell proliferative and autophagic abilities and the decrease of apoptosis rate induced by FOXP1 overexpression. XIST affected autophagy and carboplatin resistance in vivo via regulating the miR-506-3p/FOXP1 axis. Conclusion XIST knockdown inhibited autophagy and carboplatin resistance of OC through FOXP1/protein kinase B (AKT)/mammalian target of rapamycin pathway by targeting miR-506-3p. Knockdown of XIST inhibited autophagy induced by carboplatin and resistance to carboplatin in ovarian cells. XIST targeted miR-506-3p and reduced its expression. FOXP1 could be a target gene of miR-506-3p. XIST facilitated the autophagy and carboplatin resistance through miR-506-3p/FOXP1 axis in ovarian cancer.
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Affiliation(s)
- Xiaoyan Xia
- Scientific Research Department, Changsha Health Vocational College, Changsha, P.R. China
| | - Zikui Li
- Department of Obstetrics and Gynecology, The Fist Hospital of Hunan University of Chinese Medicine, Changsha, P.R. China
| | - Yaojun Li
- Nursing College of Changsha Health Vocational College, Changsha, P.R. China
| | - Feng Ye
- Nursing College of Changsha Health Vocational College, Changsha, P.R. China
| | - Xiaoming Zhou
- Department of Cardiology, The Fist Hospital of Hunan University of Chinese Medicine, Changsha, P.R. China
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12
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Li Y, Li W, Hoffman AR, Cui J, Hu JF. The Nucleus/Mitochondria-Shuttling LncRNAs Function as New Epigenetic Regulators of Mitophagy in Cancer. Front Cell Dev Biol 2021; 9:699621. [PMID: 34568319 PMCID: PMC8455849 DOI: 10.3389/fcell.2021.699621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 08/20/2021] [Indexed: 12/18/2022] Open
Abstract
Mitophagy is a specialized autophagic pathway responsible for the selective removal of damaged or dysfunctional mitochondria by targeting them to the autophagosome in order to maintain mitochondria quality. The role of mitophagy in tumorigenesis has been conflicting, with the process both supporting tumor cell survival and promoting cell death. Cancer cells may utilize the mitophagy pathway to augment their metabolic requirements and resistance to cell death, thereby leading to increased cell proliferation and invasiveness. This review highlights major regulatory pathways of mitophagy involved in cancer. In particular, we summarize recent progress regarding how nuclear-encoded long non-coding RNAs (lncRNAs) function as novel epigenetic players in the mitochondria of cancer cells, affecting the malignant behavior of tumors by regulating mitophagy. Finally, we discuss the potential application of regulating mitophagy as a new target for cancer therapy.
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Affiliation(s)
- Yan Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China.,Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
| | - Wei Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China
| | - Andrew R Hoffman
- Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
| | - Jiuwei Cui
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China
| | - Ji-Fan Hu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Cancer Center, First Hospital of Jilin University, Changchun, China.,Stanford University Medical School, VA Palo Alto Health Care System, Palo Alto, CA, United States
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13
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Programmed cell death, redox imbalance, and cancer therapeutics. Apoptosis 2021; 26:385-414. [PMID: 34236569 DOI: 10.1007/s10495-021-01682-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2021] [Indexed: 02/06/2023]
Abstract
Cancer cells are disordered by nature and thus featured by higher internal redox level than healthy cells. Redox imbalance could trigger programmed cell death if exceeded a certain threshold, rendering therapeutic strategies relying on redox control a possible cancer management solution. Yet, various programmed cell death events have been consecutively discovered, complicating our understandings on their associations with redox imbalance and clinical implications especially therapeutic design. Thus, it is imperative to understand differences and similarities among programmed cell death events regarding their associations with redox imbalance for improved control over these events in malignant cells as well as appropriate design on therapeutic approaches relying on redox control. This review addresses these issues and concludes by bringing affront cold atmospheric plasma as an emerging redox controller with translational potential in clinics.
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14
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Ghafouri-Fard S, Dashti S, Farsi M, Taheri M, Mousavinejad SA. X-Inactive-Specific Transcript: Review of Its Functions in the Carcinogenesis. Front Cell Dev Biol 2021; 9:690522. [PMID: 34179019 PMCID: PMC8226258 DOI: 10.3389/fcell.2021.690522] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/13/2021] [Indexed: 01/03/2023] Open
Abstract
X-inactive-specific transcript (XIST) is one of the firstly discovered long non-coding RNAs with prominent roles in the process of X inactivation. Moreover, this transcript contributes in the carcinogenic process in different tissues. In addition to interacting with chromatin modifying molecules, XIST can be served as a molecular sponge for miRNAs to modulate expression of miRNA targets. Most of the studies have indicated an oncogenic role for XIST. However, in prostate cancer, a single study has indicated a tumor suppressor role for this lncRNA. Similar result has been reported for XIST in oral squamous cell carcinoma. In hepatocellular carcinoma, breast cancer, ovarian cancer, osteosarcoma, and renal cell carcinoma, different studies have reported inconsistent results. In the present manuscript, we review function of XIST in the carcinogenesis.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sepideh Dashti
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Molood Farsi
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Ali Mousavinejad
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Jahangiri L, Ishola T, Pucci P, Trigg RM, Pereira J, Williams JA, Cavanagh ML, Gkoutos GV, Tsaprouni L, Turner SD. The Role of Autophagy and lncRNAs in the Maintenance of Cancer Stem Cells. Cancers (Basel) 2021; 13:cancers13061239. [PMID: 33799834 PMCID: PMC7998932 DOI: 10.3390/cancers13061239] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Cancer stem cells (CSCs) represent a distinct cancer subpopulation that can influence the tumour microenvironment, in addition to cancer progression and relapse. A multitude of factors including CSC properties, long noncoding RNAs (lncRNAs), and autophagy play pivotal roles in maintaining CSCs. We discuss the methods of detection of CSCs and how our knowledge of regulatory and cellular processes, and their interaction with the microenvironment, may lead to more effective targeting of these cells. Autophagy and lncRNAs can regulate several cellular functions, thereby promoting stemness factors and CSC properties, hence understanding this triangle and its associated signalling networks can lead to enhanced therapy response, while paving the way for the development of novel therapeutic approaches. Abstract Cancer stem cells (CSCs) possess properties such as self-renewal, resistance to apoptotic cues, quiescence, and DNA-damage repair capacity. Moreover, CSCs strongly influence the tumour microenvironment (TME) and may account for cancer progression, recurrence, and relapse. CSCs represent a distinct subpopulation in tumours and the detection, characterisation, and understanding of the regulatory landscape and cellular processes that govern their maintenance may pave the way to improving prognosis, selective targeted therapy, and therapy outcomes. In this review, we have discussed the characteristics of CSCs identified in various cancer types and the role of autophagy and long noncoding RNAs (lncRNAs) in maintaining the homeostasis of CSCs. Further, we have discussed methods to detect CSCs and strategies for treatment and relapse, taking into account the requirement to inhibit CSC growth and survival within the complex backdrop of cellular processes, microenvironmental interactions, and regulatory networks associated with cancer. Finally, we critique the computationally reinforced triangle of factors inclusive of CSC properties, the process of autophagy, and lncRNA and their associated networks with respect to hypoxia, epithelial-to-mesenchymal transition (EMT), and signalling pathways.
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Affiliation(s)
- Leila Jahangiri
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (T.I.); (M.L.C.); (L.T.)
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (R.M.T.); (S.D.T.)
- Correspondence: (L.J.); (G.V.G.)
| | - Tala Ishola
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (T.I.); (M.L.C.); (L.T.)
| | - Perla Pucci
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (R.M.T.); (S.D.T.)
| | - Ricky M. Trigg
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (R.M.T.); (S.D.T.)
- Department of Functional Genomics, GlaxoSmithKline, Stevenage SG1 2NY, UK
| | - Joao Pereira
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA;
| | - John A. Williams
- Institute of Translational Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2TH, UK;
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2SY, UK
| | - Megan L. Cavanagh
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (T.I.); (M.L.C.); (L.T.)
| | - Georgios V. Gkoutos
- Institute of Translational Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2TH, UK;
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2SY, UK
- Mammalian Genetics Unit, Medical Research Council Harwell Institute, Oxfordshire OX110RD, UK
- MRC Health Data Research Midlands, University of Birmingham, Birmingham B15 2TT, UK
- NIHR Experimental Cancer Medicine Centre, Birmingham B15 2TT, UK
- NIHR Surgical Reconstruction and Microbiology Research Centre, Birmingham B15 2TT, UK
- NIHR Biomedical Research Centre, Birmingham B15 2TT, UK
- Correspondence: (L.J.); (G.V.G.)
| | - Loukia Tsaprouni
- Department of Life Sciences, Birmingham City University, Birmingham B15 3TN, UK; (T.I.); (M.L.C.); (L.T.)
| | - Suzanne D. Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; (P.P.); (R.M.T.); (S.D.T.)
- Central European Institute of Technology (CEITEC), Masaryk University, 625 00 Brno, Czech Republic
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