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Zhang T, Fang J, Hu J, Kong Y, Jiang R, Wang H, Yang G, Yao G. Downregulation of CASC15 attenuates the symptoms of polycystic ovary syndrome by affecting granulosa cell proliferation and regulating ovarian follicular development. Mol Cell Endocrinol 2024; 592:112322. [PMID: 38942281 DOI: 10.1016/j.mce.2024.112322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 06/30/2024]
Abstract
Polycystic ovary syndrome (PCOS) is a type of follicular dysplasia with an unclear pathogenesis, posing certain challenges in its diagnosis and treatment. Cancer susceptibility candidate 15 (CASC15), a long non-coding RNA closely associated with tumour development, has been implicated in PCOS onset and development. Therefore, this study aimed to investigate the molecular mechanisms underlying PCOS by downregulating CASC15 expression in both in vitro and in vivo models. We explored the potential regulatory relationship between CASC15 expression and PCOS by examining cell proliferation, cell cycle dynamics, cell autophagy, steroid hormone secretion capacity, and overall ovarian function in mice. We found that CASC15 expression in granulosa cells derived from patients with PCOS was significantly higher than those of the normal group (P < 0.001). In vitro experiments revealed that downregulating CASC15 significantly inhibited cell proliferation, promoted apoptosis, induced G1-phase cell cycle arrest, and influenced cellular autophagy levels. Moreover, downregulating CASC15 affected the follicular development process in newborn mouse ovaries. In vivo studies in mice demonstrated that disrupting CASC15 expression improved PCOS-related symptoms such as polycystic changes and hyperandrogenism, and significantly affected ovulation induction and embryo implantation in pregnant mice. Overall, CASC15 was highly expressed in granulosa cells of patients with PCOS and its downregulation improved PCOS-related symptoms by influencing granulosa cell function and follicular development in mice.
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Affiliation(s)
- Tongwei Zhang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Junnan Fang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jingyi Hu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yue Kong
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ran Jiang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Huihui Wang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Guang Yang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Guidong Yao
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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Afsar S, Syed RU, Khojali WMA, Masood N, Osman ME, Jyothi JS, Hadi MA, Khalifa AAS, Aboshouk NAM, Alsaikhan HA, Alafnan AS, Alrashidi BA. Non-coding RNAs in BRAF-mutant melanoma: targets, indicators, and therapeutic potential. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03366-3. [PMID: 39167168 DOI: 10.1007/s00210-024-03366-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 08/07/2024] [Indexed: 08/23/2024]
Abstract
Melanoma, a highly aggressive skin cancer, is often driven by BRAF mutations, such as the V600E mutation, which promotes cancer growth through the MAPK pathway and contributes to treatment resistance. Understanding the role of non-coding RNAs (ncRNAs) in these processes is crucial for developing new therapeutic strategies. This review aims to elucidate the relationship between ncRNAs and BRAF mutations in melanoma, focusing on their regulatory roles and impact on treatment resistance. We comprehensively reviewed current literature to synthesize evidence on ncRNA-mediated regulation of BRAF-mutant melanoma and their influence on therapeutic responses. Key ncRNAs, including microRNAs and long ncRNAs, were identified as significant regulators of melanoma development and therapy resistance. MicroRNAs such as miR-15/16 and miR-200 families modulate critical pathways like Wnt signaling and melanogenesis. Long ncRNAs like ANRIL and SAMMSON play roles in cell growth, invasion, and drug susceptibility. Specific ncRNAs, such as BANCR and RMEL3, intersect with the MAPK pathway, highlighting their potential as therapeutic targets or biomarkers in BRAF-mutant melanoma. Additionally, ncRNAs involved in drug resistance, such as miR-579-3p and miR-1246, target processes like autophagy and immune checkpoint regulation. This review highlights the pivotal roles of ncRNAs in regulating BRAF-mutant melanoma and their contribution to drug resistance. These findings underscore the potential of ncRNAs as biomarkers and therapeutic targets, paving the way for innovative treatments to improve outcomes for melanoma patients.
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Affiliation(s)
- S Afsar
- Department of Virology, Sri Venkateswara University, Tirupathi, Andhra Pradesh, 517502, India.
| | - Rahamat Unissa Syed
- Department of Pharmaceutics, College of Pharmacy, University of Ha'il, 81442, Hail, Saudi Arabia.
| | - Weam M A Khojali
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Hail, 81442, Hail, Saudi Arabia
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Omdurman Islamic University, Omdurman, 14415, Sudan
| | - Najat Masood
- Chemistry Department, Faculty of Science, University of Ha'il, P.O. Box 2440, 81451, Ha'il,, Saudi Arabia
| | - Mhdia Elhadi Osman
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Hail, Hail, Saudi Arabia
| | - J Siva Jyothi
- Department of Pharmaceutics, Hindu College of Pharmacy, Andhra Pradesh, India
| | - Mohd Abdul Hadi
- Department of Pharmaceutics, Bhaskar Pharmacy College, Moinabad, R.R.District, Hyderabad, 500075, Telangana, India
| | - Amna Abakar Suleiman Khalifa
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, 81442, Hail, Saudi Arabia
| | - Nayla Ahmed Mohammed Aboshouk
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, 81442, Hail, Saudi Arabia
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Diallo LH, Mariette J, Laugero N, Touriol C, Morfoisse F, Prats AC, Garmy-Susini B, Lacazette E. Specific Circular RNA Signature of Endothelial Cells: Potential Implications in Vascular Pathophysiology. Int J Mol Sci 2024; 25:680. [PMID: 38203852 PMCID: PMC10779679 DOI: 10.3390/ijms25010680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Circular RNAs (circRNAs) are a recently characterized family of gene transcripts forming a covalently closed loop of single-stranded RNA. The extent of their potential for fine-tuning gene expression is still being discovered. Several studies have implicated certain circular RNAs in pathophysiological processes within vascular endothelial cells and cancer cells independently. However, to date, no comparative study of circular RNA expression in different types of endothelial cells has been performed and analysed through the lens of their central role in vascular physiology and pathology. In this work, we analysed publicly available and original RNA sequencing datasets from arterial, veinous, and lymphatic endothelial cells to identify common and distinct circRNA expression profiles. We identified 4713 distinct circRNAs in the compared endothelial cell types, 95% of which originated from exons. Interestingly, the results show that the expression profile of circular RNAs is much more specific to each cell type than linear RNAs, and therefore appears to be more suitable for distinguishing between them. As a result, we have discovered a specific circRNA signature for each given endothelial cell type. Furthermore, we identified a specific endothelial cell circRNA signature that is composed four circRNAs: circCARD6, circPLXNA2, circCASC15 and circEPHB4. These circular RNAs are produced by genes that are related to endothelial cell migration pathways and cancer progression. More detailed studies of their functions could lead to a better understanding of the mechanisms involved in physiological and pathological (lymph)angiogenesis and might open new ways to tackle tumour spread through the vascular system.
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Affiliation(s)
- Leïla Halidou Diallo
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
| | - Jérôme Mariette
- MIAT, University of Toulouse, INRAE, 31326 Castanet-Tolosan, France;
| | - Nathalie Laugero
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
| | - Christian Touriol
- UMR1037 INSERM, University of Toulouse, 2 Avenue Hubert Curien, 31100 Toulouse, France;
| | - Florent Morfoisse
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
| | - Anne-Catherine Prats
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
| | - Barbara Garmy-Susini
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
| | - Eric Lacazette
- U1297-I2MC, INSERM, University of Toulouse, 1 Avenue Jean Poulhes, BP 84225, 31432 Toulouse, France; (L.H.D.); (N.L.); (F.M.); (A.-C.P.); (B.G.-S.)
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Zhou F. Prognostic value of CASC15 and LINC01600 as competitive endogenous RNAs in lung adenocarcinoma: An observational study. Medicine (Baltimore) 2023; 102:e36026. [PMID: 37960753 PMCID: PMC10637420 DOI: 10.1097/md.0000000000036026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) can directly or indirectly regulate gene expression through interacting with microRNAs (miRNAs). Competitive endogenous RNAs render the roles of lncRNAs more complicated in the process of tumor occurrence and progression. However, the prognostic value of lncRNAs as potential biomarkers and their functional roles as competitive endogenous RNAs have not been clearly described for lung adenocarcinoma (LUAD). In the present study, the aberrant expression profiles of lncRNAs and miRNAs were analyzed at cBioPortal by interrogating LUAD dataset from The Cancer Genome Atlas (TCGA) database with 517 tissue samples. A total of 92 lncRNAs and 125 miRNAs with highly genetic alterations were identified. Further bioinformatics analysis was performed to construct a LUAD-related lncRNA-miRNA-mRNA ceRNA network, which included 24 highly altered lncRNAs, 21 miRNAs and 142 mRNAs. Some key lncRNAs in this network were subsequently identified as LUAD prognosis-related, and of those, CASC15 and LINC01600 both performed the potential prognostic characteristics with LUAD regarding OS and recurrence. Comprehensive analysis indicated that the expression of LINC01600 was significantly associated with KRAS mutation and lymph node metastasis, and CASC15 and LINC01600 were significantly tended towards co-occurrence, which may be due to the similarity of genes co-expressed by these 2 lncRNAs. Our findings provided novel insight into better understanding of ceRNA regulatory mechanisms in the pathogenesis of LUAD and facilitated the identification of potential biomarkers for prognosis.
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Affiliation(s)
- Fangbin Zhou
- Department of Tropical Diseases, Naval Medical University, Shanghai, China
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Berger CK, Taylor WR, Mahoney DW, Burger KN, Doering KA, Gonser AM, Cao X, Heilberger J, Gysbers BJ, Foote PH, Kottschade LA, Markovic SN, Lehman JS, Katerov VE, Allawi HT, Kisiel JB, Meves A. Plasma Methylated DNA Markers for Melanoma Surveillance. JCO Precis Oncol 2023; 7:e2300389. [PMID: 37883729 PMCID: PMC10861016 DOI: 10.1200/po.23.00389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 10/28/2023] Open
Abstract
PURPOSE Surveillance after primary melanoma treatment aims to detect early signs of low-volume systemic disease. The current standard of care, surveillance imaging, is costly and difficult to access. We therefore sought to develop methylated DNA markers (MDMs) as promising alternatives for disease surveillance. METHODS We used reduced representation bisulfite sequencing (RRBS) to identify MDMs in DNA samples obtained from metastatic melanoma, benign nevi, and normal skin tissues. The identified MDMs underwent validation in an independent cohort of tissue and buffy coat DNA samples. Subsequently, we tested the validated MDMs in the plasma DNA of patients with metastatic melanoma undergoing surveillance with total body imaging and compared them with cancer-free controls. To estimate the overall predictive accuracy of the MDMs, we used random forest modeling with bootstrap cross-validation. RESULTS Forty MDMs demonstrated discrimination between melanoma cases and controls consisting of benign nevi and normal skin. Nine MDMs passing biological validation in tissue were run on 77 plasma samples from individuals with a history of metastatic melanoma, 49 of whom had evidence of disease detected by imaging at the time of blood draw, and 100 cancer-free controls. The cross-validated sensitivity of the panel for imaging-positive disease was 80% with a specificity of 100% in cancer-free controls, resulting in an overall AUC of 0.88 (95% CI, 0.81 to 0.96). The survival estimates for patients with melanoma who tested positive for the panel at 6 months and 1 year were 67% and 56%, respectively, while those who tested negative had survival rates of 100% and 92%. CONCLUSION MDMs identified by RRBS demonstrate a high degree of concordance with imaging results in the plasma of patients with metastatic melanoma. Further prospective studies in larger intended use cohorts are needed to confirm these findings.
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Affiliation(s)
- Calise K. Berger
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - William R. Taylor
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Douglas W. Mahoney
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Kelli N. Burger
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Karen A. Doering
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Anna M. Gonser
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Xiaoming Cao
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | | | | | - Patrick H. Foote
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | | | | | - Julia S. Lehman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
- Department of Dermatology, Mayo Clinic, Rochester, MN
| | | | | | - John B. Kisiel
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
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Wozniak M, Czyz M. lncRNAs-EZH2 interaction as promising therapeutic target in cutaneous melanoma. Front Mol Biosci 2023; 10:1170026. [PMID: 37325482 PMCID: PMC10265524 DOI: 10.3389/fmolb.2023.1170026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023] Open
Abstract
Melanoma is the most lethal skin cancer with increasing incidence worldwide. Despite a great improvement of diagnostics and treatment of melanoma patients, this disease is still a serious clinical problem. Therefore, novel druggable targets are in focus of research. EZH2 is a component of the PRC2 protein complex that mediates epigenetic silencing of target genes. Several mutations activating EZH2 have been identified in melanoma, which contributes to aberrant gene silencing during tumor progression. Emerging evidence indicates that long non-coding RNAs (lncRNAs) are molecular "address codes" for EZH2 silencing specificity, and targeting lncRNAs-EZH2 interaction may slow down the progression of many solid cancers, including melanoma. This review summarizes current knowledge regarding the involvement of lncRNAs in EZH2-mediated gene silencing in melanoma. The possibility of blocking lncRNAs-EZH2 interaction in melanoma as a novel therapeutic option and plausible controversies and drawbacks of this approach are also briefly discussed.
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Affiliation(s)
- Michal Wozniak
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
| | - Malgorzata Czyz
- Department of Molecular Biology of Cancer, Medical University of Lodz, Lodz, Poland
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Chen W, Qian W, Nie J, Dai M. A study of the prognostic value of long non-coding RNA CASC15 in human solid tumors utilizing The Cancer Genome Atlas (TCGA) datasets and a meta-analysis. Clin Exp Med 2023; 23:65-78. [PMID: 35103883 DOI: 10.1007/s10238-021-00789-7] [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: 10/29/2021] [Accepted: 12/17/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND AIMS Several malignant solid tumors have been reported to have an abnormal expression of the long non-coding RNA CASC15 (lncRNA CASC15). However, the clinicopathologic and prognostic importance of CASC15 in solid tumors are unknown. As a result, we examined the interrelationship between CASC15, overall survival length, and clinicopathological attributes of cancers affecting humans by analyzing various studies and The Cancer Genome Atlas (TCGA) data related to CASC15 expression. METHODS Web of Science, PubMed, Cochrane Library, Embase, Chinese WanFang, and Chinese CNKI databases were used to conduct a literature search. Hazard ratios (HRs) and Pooled odds ratios (ORs) were calculated taking 95% confidence intervals (CIs). The results of the current meta-analysis were further validated using TCGA datasets. RESULTS A total of 12 eligible studies enrolling 767 patients were included in this meta-analysis. Findings of the analysis showed that CASC15 expression had a significant relation to the metastasis of lymph node (OR = 3.30, 95%CI = 1.88-5.81, p < 0.001), distant metastasis (OR = 2.64, 95%CI = 1.24-5.63, p = 0.012), and high TNM/clinical stage (OR = 2.67, 95%CI = 1.34-5.32, p = 0.005). Additionally, we found that a poor outcome for overall survival (OS) was predicted by an elevation in CASC15 expression (HR = 2.01, 95%CI = 1.71-2.36, p < 0.001). Further investigation of the TCGA dataset revealed that CASC15 had abnormal expression in many cancers, which at least partially validated the findings of the current meta-analysis. CONCLUSIONS According to the latest meta-analysis and systematic review, high expression levels of CASC15 are associated with poor survival outcomes for solid tumor patients, and the use of CASC15 as a solid tumor prognostic predictor has a solid theoretical foundation.
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Affiliation(s)
- Weiwei Chen
- Department of Gastroenterology, The First People's Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), Zunyi, People's Republic of China.
| | - Wenqi Qian
- Department of Pharmacy, People's Hospital of Qiandongnan and Dong Autonomous Prefecture, Kaili, People's Republic of China
| | - Jun Nie
- Department of Gastroenterology, The First People's Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), Zunyi, People's Republic of China
| | - Mintao Dai
- Department of Gastroenterology, The First People's Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), Zunyi, People's Republic of China
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8
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Dashti F, Mirazimi SMA, Kazemioula G, Mohammadi M, Hosseini M, Razaghi Bahabadi Z, Mirazimi MS, Abadi MHJN, Shahini A, Afshari M, Mirzaei H. Long non-coding RNAs and melanoma: From diagnosis to therapy. Pathol Res Pract 2023; 241:154232. [PMID: 36528985 DOI: 10.1016/j.prp.2022.154232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/16/2022] [Accepted: 11/16/2022] [Indexed: 11/29/2022]
Abstract
Although extremely rare, malignant melanoma is the deadliest type of skin malignancy with the inherent capability to invade other organs and metastasize to distant tissues. In 2021, it was estimated that approximately 106,110 patients may have received the diagnosis of melanoma, with a mortality rate of 7180. Surgery remains the common choice for treatment in patients with melanoma. Despite many advances in the treatment of melanoma, some patients, such as those who have received cytotoxic chemotherapeutic and immunotherapic agents, a significant number of patients may show inadequate treatment response following initiating these treatments. Non-coding RNAs, including lncRNAs, have become recently popular and attracted the attention of many researchers to make new insights into the pathogenesis of many diseases, particularly malignancies. LncRNAs have been thoroughly investigated in multiple cancers such as melanoma and have been shown to play a major role in regulating various physiological and pathological cellular processes. Considering their core regulatory function, these non-coding RNAs may be appropriate candidates for melanoma patients' diagnosis, prognosis, and treatment. In this review, we will cover all the current literature available for lncRNAs in melanoma and will discuss their potential benefits as diagnostic and/or prognostic markers or potent therapeutic targets in the treatment of melanoma patients.
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Affiliation(s)
- Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Golnesa Kazemioula
- Department of Medical Genetics, School of Medicine,Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mohammadi
- Department of Clinical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Marjan Hosseini
- Department of Physiology-Pharmacology-Medical Physic, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Zahra Razaghi Bahabadi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Maryam Sadat Mirazimi
- Department of Obstetrics & Gynocology,Isfahan School of Medicine,Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Ali Shahini
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Maryam Afshari
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Dadafarin S, Rodríguez TC, Carnazza MA, Tiwari RK, Moscatello A, Geliebter J. MEG3 Expression Indicates Lymph Node Metastasis and Presence of Cancer-Associated Fibroblasts in Papillary Thyroid Cancer. Cells 2022; 11:cells11193181. [PMID: 36231143 PMCID: PMC9562881 DOI: 10.3390/cells11193181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/23/2022] Open
Abstract
Papillary thyroid cancer is the most common endocrine malignancy, occurring at an incidence rate of 12.9 per 100,000 in the US adult population. While the overall 10-year survival of PTC nears 95%, the presence of lymph node metastasis (LNM) or capsular invasion indicates the need for extensive neck dissection with possible adjuvant radioactive iodine therapy. While imaging modalities such as ultrasound and CT are currently in use for the detection of suspicious cervical lymph nodes, their sensitivities for tumor-positive nodes are low. Therefore, advancements in preoperative detection of LNM may optimize the surgical and medical management of patients with thyroid cancer. To this end, we analyzed bulk RNA-sequencing datasets to identify candidate markers highly predictive of LNM. We identified MEG3, a long-noncoding RNA previously described as a tumor suppressor when expressed in malignant cells, as highly associated with LNM tissue. Furthermore, the expression of MEG3 was highly predictive of tumor infiltration with cancer-associated fibroblasts, and single-cell RNA-sequencing data revealed the expression of MEG3 was isolated to cancer-associated fibroblasts (CAFs) in the most aggressive form of thyroid cancers. Our findings suggest that MEG3 expression, specifically in CAFs, is highly associated with LNM and may be a driver of aggressive disease.
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Affiliation(s)
- Sina Dadafarin
- Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, WA 98195, USA
- Correspondence: (S.D.); (J.G.)
| | - Tomás C. Rodríguez
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01655, USA
| | - Michelle A. Carnazza
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
| | - Raj K. Tiwari
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
| | | | - Jan Geliebter
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
- Department of Otolaryngology, New York Medical College, Valhalla, NY 10595, USA
- Correspondence: (S.D.); (J.G.)
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10
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Ding L, Gosh A, Lee DJ, Emri G, Huss WJ, Bogner PN, Paragh G. Prognostic biomarkers of cutaneous melanoma. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2022; 38:418-434. [PMID: 34981569 DOI: 10.1111/phpp.12770] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/02/2021] [Accepted: 12/30/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND/PURPOSE Melanomas account for only approximately 4% of diagnosed skin cancers in the United States but are responsible for the majority of deaths caused by skin cancer. Both genetic factors and ultraviolet (UV) radiation exposure play a role in the development of melanoma. Although melanomas have a strong propensity to metastasize when diagnosed late, melanomas that are diagnosed and treated early pose a low mortality risk. In particular, the identification of patients with increased metastatic risk, who may benefit from early adjuvant therapies, is crucial, especially given the advent of new melanoma treatments. However, the accuracy of classic clinical and histological variables, including the Breslow thickness, presence of ulceration, and lymph node status, might not be sufficient to identify such individuals. Thus, there is a need for the development of additional prognostic melanoma biomarkers that can improve early attempts to stratify melanoma patients and reliably identify high-risk subgroups with the aim of providing effective personalized therapies. METHODS In our current work, we discuss and assess emerging primary melanoma tumor biomarkers and prognostic circulating biomarkers. RESULTS Several promising biomarkers show prognostic value (eg, exosomal MIA (ie, melanoma inhibitory activity), serum S100B, AMLo signatures, and mRNA signatures); however, the scarcity of reliable data precludes the use of these biomarkers in current clinical applications. CONCLUSION Further research is needed on several promising biomarkers for melanoma. Large-scale studies are warranted to facilitate the clinical translation of prognostic biomarker applications for melanoma in personalized medicine.
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Affiliation(s)
- Liang Ding
- Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Pathology, Buffalo General Medical Center, State University of New York, Buffalo, New York, USA
| | - Alexandra Gosh
- Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
| | - Delphine J Lee
- Division of Dermatology, Department of Medicine, Harbor-UCLA Medical Center, Torrance, California, USA
- Division of Dermatology, Department of Medicine, The Lundquist Institute, Torrance, California, USA
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Gabriella Emri
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Wendy J Huss
- Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
| | - Paul N Bogner
- Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
| | - Gyorgy Paragh
- Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
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11
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Tong F, Xu L, Xu S, Zhang M. Identification of an autophagy-related 12-lncRNA signature and evaluation of NFYC-AS1 as a pro-cancer factor in lung adenocarcinoma. Front Genet 2022; 13:834935. [PMID: 36105077 PMCID: PMC9466988 DOI: 10.3389/fgene.2022.834935] [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: 12/14/2021] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: To develop an autophagy-related lncRNA-based risk signature and corresponding nomogram to predict overall survival (OS) for LUAD patients and investigate the possible meaning of screened factors.Methods: Differentially expressed lncRNAs and autophagy genes were screened between normal and LUAD tumor samples from the TCGA LUAD dataset. Univariate and multivariate Cox regression analyses were performed to construct the lncRNA-based risk signature and nomogram incorporating clinical information. Then, the accuracy and sensitivity were confirmed by the AUC of ROC curves in both training and validation cohorts. qPCR, immunoblot, shRNA, and ectopic expression were used to verify the positive regulation of NFYC-AS1 on BIRC6. CCK-8, immunofluorescence, and flow cytometry were used to confirm the influence of NFYC-AS1 on cell proliferation, autophagy, and apoptosis via BIRC6.Results: A 12-lncRNA risk signature and a nomogram combining related clinical information were constructed. Furthermore, the abnormal increase of NFYC-AS1 may promote LUAD progression through the autophagy-related gene BIRC6.Conclusion: 12-lncRNA signature may function as a predictive marker for LUAD patients, and NFYC-AS1 along with BIRC6 may function as carcinogenic factors in a combinatorial manner.
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Affiliation(s)
- Fang Tong
- Department of Medical Immunology, School of Medicine, Anhui University of Science and Technology, Anhui, China
- Anhui Province Engineering Laboratory of Occupational Health and Safety, Anhui University of Science and Technology, Anhui, China
| | - Lifa Xu
- Department of Medical Immunology, School of Medicine, Anhui University of Science and Technology, Anhui, China
| | - Sheng Xu
- The First Affiliated Hospital, Anhui University of Science and Technology, Anhui, China
| | - Mingming Zhang
- Department of Medical Immunology, School of Medicine, Anhui University of Science and Technology, Anhui, China
- Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China
- *Correspondence: Mingming Zhang,
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12
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Melixetian M, Pelicci PG, Lanfrancone L. Regulation of LncRNAs in Melanoma and Their Functional Roles in the Metastatic Process. Cells 2022; 11:cells11030577. [PMID: 35159386 PMCID: PMC8834033 DOI: 10.3390/cells11030577] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/02/2022] [Accepted: 02/05/2022] [Indexed: 02/06/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are key regulators of numerous intracellular processes leading to tumorigenesis. They are frequently deregulated in cancer, functioning as oncogenes or tumor suppressors. As they act through multiple mechanisms, it is not surprising that they may exert dual functions in the same tumor. In melanoma, a highly invasive and metastatic tumor with the propensity to rapidly develop drug resistance, lncRNAs play different roles in: (i) guiding the phenotype switch and leading to metastasis formation; (ii) predicting the response of melanoma patients to immunotherapy; (iii) triggering adaptive responses to therapy and acquisition of drug resistance phenotypes. In this review we summarize the most recent findings on the lncRNAs involved in melanoma growth and spreading to distant sites, focusing on their role as biomarkers for disease diagnosis and patient prognosis, or targets for novel therapeutic approaches.
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Affiliation(s)
- Marine Melixetian
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (M.M.); (P.G.P.)
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (M.M.); (P.G.P.)
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, 20139 Milan, Italy; (M.M.); (P.G.P.)
- Correspondence: ; Tel.: +39-02-94375011
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13
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Beeraka NM, Gu H, Xue N, Liu Y, Yu H, Liu J, Chen K, Nikolenko VN, Fan R. Testing lncRNAs signature as clinical stage–related prognostic markers in gastric cancer progression using TCGA database. Exp Biol Med (Maywood) 2022; 247:658-671. [PMID: 35068210 DOI: 10.1177/15353702211067173] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
LncRNA expression can be conducive to gastric cancer (GC) prognosis. The objective of this study is to ascertain five specific lncRNAs involved in tumor progression of GC and their role as prognostic markers to diagnose clinical stage-wise GC. High-throughput RNA sequencing data were obtained from The Cancer Genome Atlas (TCGA) database and performed genome-wide lncRNA expression analysis using edgeR package, Bioconductor.org , and R-statistical computing to analyze differentially expressed lncRNA analysis. Cutoff parameters were FDR < 0.05 and |Log2FC| > 2. Total 351 tumor samples with differentially expressed lncRNAs were divided into group-1 lncRNAs such as AC019117.2 and LINC00941, and group-2 lncRNAs such as LINC02410, AC012317.2, and AC141273.1 by 2:1. The Spearman correlation coefficients ( p < 0.05) and correlation test function (cor.test ()) were performed for lncRNAs as per clinical stage. Cytoscape software was used to construct lncRNA–mRNA interaction networks. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway ( p < 0.05) analysis were conducted using the clusterProfiler package. Kaplan–Meier survival analysis was performed to determine the overall survival of patients based on the expression of five lncRNAs in different clinical stages of GC. AC019117.2 and LINC00941 of group 1 inferred a positive correlation with clinical stages of stage I to stage IV, and their expressions were higher in tumor tissues than normal tissues. On the contrary, LINC02410, AC012317.2, and AC141273.1 of group 2 exhibited a negative correlation with clinical stage, and they exhibited more expression in normal tissues compared to tumor tissues. GO and KEGG pathway analysis reported that AC019117.2 may interact with LINC00941 via ITGA3 and trophoblast glycoprotein (TPBG) to foster tumor progression. Tumor-specific group-1 lncRNAs were conducive to the poor overall survival and exhibited a positive correlation with the clinical stages of stage I to stage IV in GC as per the lncRNA–mRNA networking analysis. These five lncRNAs could be considered as clinically useful lncRNA-based prognostic markers to predict clinical stage-wise GC progression.
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Affiliation(s)
- Narasimha M Beeraka
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Human Anatomy, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow 119991, Russia
| | - Hao Gu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Nannan Xue
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yang Liu
- Department of Radiotherapy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450052, China
| | - Huiming Yu
- Department of Radiation Oncology, Peking University Cancer Hospital & Institute, Beijing 450052, China
| | - Junqi Liu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Kuo Chen
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Vladimir N Nikolenko
- Department of Human Anatomy, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow 119991, Russia
- M.V. Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Ruitai Fan
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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14
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Ma J, Shi Q, Guo S, Xu P, Yi X, Yang Y, Zhang W, Liu Y, Liu L, Yue Q, Zhao T, Gao T, Guo W, Li C. Long Non-Coding RNA CD27-AS1-208 Facilitates Melanoma Progression by Activating STAT3 Pathway. Front Oncol 2022; 11:818178. [PMID: 35096622 PMCID: PMC8791859 DOI: 10.3389/fonc.2021.818178] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 12/17/2021] [Indexed: 11/21/2022] Open
Abstract
Melanoma is the most lethal skin cancer that originates from epidermal melanocytes. Recently, long non-coding RNAs (lncRNAs) are emerging as critical regulators of cancer pathogenesis and potential therapeutic targets. However, the expression profile of lncRNAs and their role in melanoma progression have not been thoroughly investigated. Herein, we firstly obtained the expression profile of lncRNAs in primary melanomas using microarray analysis and unveiled the differentially-expressed lncRNAs compared with nevus. Subsequently, a series of bioinformatics analysis showed the great involvement of dysregulated lncRNAs in melanoma biology and immune response. Further, we identified lncRNA CD27-AS1-208 as a novel nuclear-localized factor with prominent facilitative role in melanoma cell proliferation, invasion and migration. Mechanistically, CD27-AS1-208 could directly interact with STAT3 and contribute to melanoma progression in a STAT3-dependent manner. Ultimately, the role of CD27-AS1-208 in melanoma progression in vivo was also investigated. Collectively, the present study offers us a new horizon to better understand the role of lncRNAs in melanoma pathogenesis and demonstrates that CD27-AS1-208 up-regulation contributes to melanoma progression by activating STAT3 pathway. Targeting CD27-AS1-208 in melanoma cells can be exploited as a potential therapeutic approach that needs forward validation in clinical trials in the future.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Weinan Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Chunying Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi’an, China
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15
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Tonge DP, Darling D, Farzaneh F, Williams GT. Whole-genome-scale identification of novel non-protein-coding RNAs controlling cell proliferation and survival through a functional forward genetics strategy. Sci Rep 2022; 12:182. [PMID: 34997014 PMCID: PMC8741825 DOI: 10.1038/s41598-021-03983-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/13/2021] [Indexed: 12/29/2022] Open
Abstract
Identification of cell fate-controlling lncRNAs is essential to our understanding of molecular cell biology. Here we present a human genome-scale forward-genetics approach for the identification of lncRNAs based on gene function. This approach can identify genes that play a causal role, and immediately distinguish them from those that are differentially expressed but do not affect cell function. Our genome-scale library plus next-generation-sequencing and bioinformatic approach, radically upscales the breadth and rate of functional ncRNA discovery. Human gDNA was digested to produce a lentiviral expression library containing inserts in both sense and anti-sense orientation. The library was used to transduce human Jurkat T-leukaemic cells. Cell populations were selected using continuous culture ± anti-FAS IgM, and sequencing used to identify sequences controlling cell proliferation. This strategy resulted in the identification of thousands of new sequences based solely on their function including many ncRNAs previously identified as being able to modulate cell survival or to act as key cancer regulators such as AC084816.1*, AC097103.2, AC087473.1, CASC15*, DLEU1*, ENTPD1-AS1*, HULC*, MIRLET7BHG*, PCAT-1, SChLAP1, and TP53TG1. Independent validation confirmed 4 out of 5 sequences that were identified by this strategy, conferred a striking resistance to anti-FAS IgM-induced apoptosis.
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Affiliation(s)
- D P Tonge
- Faculty of Natural Sciences, School of Life Sciences, Keele University, Keele, ST5 5BG, UK.
| | - D Darling
- Molecular Medicine Group, Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, Kings College London, London, UK
| | - F Farzaneh
- Molecular Medicine Group, Faculty of Life Sciences & Medicine, School of Cancer & Pharmaceutical Sciences, Kings College London, London, UK
| | - G T Williams
- Faculty of Natural Sciences, School of Life Sciences, Keele University, Keele, ST5 5BG, UK
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16
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Non-coding RNA dysregulation in skin cancers. Essays Biochem 2021; 65:641-655. [PMID: 34414406 DOI: 10.1042/ebc20200048] [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] [Received: 12/07/2020] [Revised: 07/16/2021] [Accepted: 08/04/2021] [Indexed: 02/07/2023]
Abstract
Skin cancers are the most common cancers worldwide. They can be classified in melanoma and non-melanoma skin cancer (NMSC), the latter includes squamous cell carcinoma (SCC), basal cell carcinoma (BCC) and merkel cell carcinoma (MCC). In recent years, the crucial role of non-coding RNAs (ncRNAs) in skin cancer pathogenesis has become increasingly evident. NcRNAs are functional RNA molecules that lack any protein-coding activity. These ncRNAs are classified based on their length: small, medium-size, and long ncRNAs. Among the most studied ncRNAs there are microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNA (circRNAs). ncRNAs have the ability to regulate gene expression at transcriptional and post-transcriptional levels and are involved in skin cancer cell proliferation, angiogenesis, invasion, and metastasis. Many ncRNAs exhibit tissue- or cell-specific expression while others have been correlated to tumor staging, drug resistance, and prognosis. For these reasons, ncRNAs have both a diagnostic and prognostic significance in skin cancers. Our review summarizes the functional role of ncRNAs in skin cancers and their potential clinical application as biomarkers.
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17
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Wozniak M, Czyz M. The Functional Role of Long Non-Coding RNAs in Melanoma. Cancers (Basel) 2021; 13:cancers13194848. [PMID: 34638331 PMCID: PMC8508152 DOI: 10.3390/cancers13194848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 12/15/2022] Open
Abstract
Melanoma is the most lethal skin cancer, with increasing incidence worldwide. The molecular events that drive melanoma development and progression have been extensively studied, resulting in significant improvements in diagnostics and therapeutic approaches. However, a high drug resistance to targeted therapies and adverse effects of immunotherapies are still a major challenge in melanoma treatment. Therefore, the elucidation of molecular mechanisms of melanomagenesis and cancer response to treatment is of great importance. Recently, many studies have revealed the close association of long noncoding RNAs (lncRNAs) with the development of many cancers, including melanoma. These RNA molecules are able to regulate a plethora of crucial cellular processes including proliferation, differentiation, migration, invasion and apoptosis through diverse mechanisms, and even slight dysregulation of their expression may lead to tumorigenesis. lncRNAs are able to bind to protein complexes, DNA and RNAs, affecting their stability, activity, and localization. They can also regulate gene expression in the nucleus. Several functions of lncRNAs are context-dependent. This review summarizes current knowledge regarding the involvement of lncRNAs in melanoma. Their possible role as prognostic markers of melanoma response to treatment and in resistance to therapy is also discussed.
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18
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Milán-Rois P, Quan A, Slack FJ, Somoza Á. The Role of LncRNAs in Uveal Melanoma. Cancers (Basel) 2021; 13:cancers13164041. [PMID: 34439196 PMCID: PMC8392202 DOI: 10.3390/cancers13164041] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/06/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022] Open
Abstract
Uveal melanoma (UM) is an intraocular cancer tumor with high metastatic risk. It is considered a rare disease, but 90% of affected patients die within 15 years. Non-coding elements (ncRNAs) such as long non-coding RNAs (lncRNAs) have a crucial role in cellular homeostasis maintenance, taking part in many critical cellular pathways. Their deregulation, therefore, contributes to the induction of cancer and neurodegenerative and metabolic diseases. In cancer, lncRNAs are implicated in apoptosis evasion, proliferation, invasion, drug resistance, and other roles because they affect tumor suppressor genes and oncogenes. For these reasons, lncRNAs are promising targets in personalized medicine and can be used as biomarkers for diseases including UM.
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Affiliation(s)
- Paula Milán-Rois
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología (CSIC), 28049 Madrid, Spain;
| | - Anan Quan
- Department of Pathology, Beth Israel Deaconess Medical Center (BIDMC)/Harvard Medical School, Boston, MA 02215, USA; (A.Q.); (F.J.S.)
| | - Frank J. Slack
- Department of Pathology, Beth Israel Deaconess Medical Center (BIDMC)/Harvard Medical School, Boston, MA 02215, USA; (A.Q.); (F.J.S.)
| | - Álvaro Somoza
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología (CSIC), 28049 Madrid, Spain;
- Correspondence: ; Tel.: +34-91-299-8856
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19
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Wang B, Xu W, Cai Y, Guo C, Zhou G, Yuan C. CASC15: A Tumor-Associated Long Non-Coding RNA. Curr Pharm Des 2021; 27:127-134. [PMID: 32962611 DOI: 10.2174/1381612826666200922153701] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 08/07/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND CASC15, one of long non-coding RNA, is involved in the regulation of many tumor biological processes, and is expected to become a new biological therapeutic target. This paper aims to elucidate the pathophysiological function of CASC15 in various tumors. METHODS The relationship between CASC15 and tumors was analyzed by searching references, and summarized the specific pathophysiological mechanism of CASC15. RESULTS LncRNA CASC15 is closely related to tumor development, and has been shown to be abnormally high expressed in all kinds of tumors, including breast cancer, cervical cancer, lung cancer, hepatocellular carcinoma, gastric cancer, bladder cancer, colon cancer, colorectal cancer, cardiac hypertrophy, intrahepatic cholangiocarcinoma, leukemia, melanoma, tongue squamous cell carcinoma and nasopharyngeal carcinoma. However, CASC15 has been found to be down-expressed abnormally in ovarian cancer, glioma and neuroblastoma. Besides, it is identified that CASC15 can affect the proliferation, invasion and apoptosis of tumors. CONCLUSION LncRNA CASC15 has the potential to become a new therapeutic target or marker for a variety of tumors.
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Affiliation(s)
- Bei Wang
- College of Medical Science, China Three Gorges University, Yichang443002, China
| | - Wen Xu
- College of Medical Science, China Three Gorges University, Yichang443002, China
| | - Yuxuan Cai
- College of Medical Science, China Three Gorges University, Yichang443002, China
| | - Chong Guo
- College of Medical Science, China Three Gorges University, Yichang443002, China
| | - Gang Zhou
- College of Traditional Chinese Medicine, China Three Gorges University, Yichang443002, China
| | - Chengfu Yuan
- College of Medical Science, China Three Gorges University, Yichang443002, China
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20
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Falahati Z, Mohseni-Dargah M, Mirfakhraie R. Emerging Roles of Long Non-coding RNAs in Uterine Leiomyoma Pathogenesis: a Review. Reprod Sci 2021; 29:1086-1101. [PMID: 33844188 DOI: 10.1007/s43032-021-00571-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/01/2021] [Indexed: 01/19/2023]
Abstract
Uterine leiomyoma (UL), as the most prevalent type of women's health disorders, is a benign tumor that originates from the smooth muscle cell layer of the uterus. A great number of associated complications are observed including infertility, miscarriage, bleeding, pain, dysmenorrhea, menorrhagia, and dyspareunia. Although the etiology of UL is largely undefined, environmental and genetic factors are witnessed to engage in the UL development. As long non-coding RNAs (lncRNAs) are involved in various types of cellular functions, in recent years, a great deal of attention has been drawn to them and their possible roles in UL pathogenesis. Moreover, they have illustrated their potential to be promising candidates for UL treatment. In this review paper, firstly, an overview of UL pathogenesis is presented. Then, the regulation of lncRNAs in UL and their possible mechanisms in cancer development are reviewed. Eventually, therapeutic approaches targeting lncRNAs in various cancers and UL are explored.
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Affiliation(s)
- Zahra Falahati
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - Masoud Mohseni-Dargah
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
- School of Engineering, Faculty of Science and Engineering, Macquarie University, Sydney, Australia
| | - Reza Mirfakhraie
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Koodakyar St., Velenjak Ave, Chamran Highway, Tehran, Iran.
- Genomic Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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21
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Mungenast F, Fernando A, Nica R, Boghiu B, Lungu B, Batra J, Ecker RC. Next-Generation Digital Histopathology of the Tumor Microenvironment. Genes (Basel) 2021; 12:538. [PMID: 33917241 PMCID: PMC8068063 DOI: 10.3390/genes12040538] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 12/11/2022] Open
Abstract
Progress in cancer research is substantially dependent on innovative technologies that permit a concerted analysis of the tumor microenvironment and the cellular phenotypes resulting from somatic mutations and post-translational modifications. In view of a large number of genes, multiplied by differential splicing as well as post-translational protein modifications, the ability to identify and quantify the actual phenotypes of individual cell populations in situ, i.e., in their tissue environment, has become a prerequisite for understanding tumorigenesis and cancer progression. The need for quantitative analyses has led to a renaissance of optical instruments and imaging techniques. With the emergence of precision medicine, automated analysis of a constantly increasing number of cellular markers and their measurement in spatial context have become increasingly necessary to understand the molecular mechanisms that lead to different pathways of disease progression in individual patients. In this review, we summarize the joint effort that academia and industry have undertaken to establish methods and protocols for molecular profiling and immunophenotyping of cancer tissues for next-generation digital histopathology-which is characterized by the use of whole-slide imaging (brightfield, widefield fluorescence, confocal, multispectral, and/or multiplexing technologies) combined with state-of-the-art image cytometry and advanced methods for machine and deep learning.
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Affiliation(s)
- Felicitas Mungenast
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
- TissueGnostics GmbH, 1020 Vienna, Austria;
| | - Achala Fernando
- Translational Research Institute, 37 Kent Street, Woolloongabba, QLD 4102, Australia; (A.F.); (J.B.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | | | - Bogdan Boghiu
- TissueGnostics SRL, 700028 Iasi, Romania; (B.B.); (B.L.)
| | - Bianca Lungu
- TissueGnostics SRL, 700028 Iasi, Romania; (B.B.); (B.L.)
| | - Jyotsna Batra
- Translational Research Institute, 37 Kent Street, Woolloongabba, QLD 4102, Australia; (A.F.); (J.B.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | - Rupert C. Ecker
- TissueGnostics GmbH, 1020 Vienna, Austria;
- Translational Research Institute, 37 Kent Street, Woolloongabba, QLD 4102, Australia; (A.F.); (J.B.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4059, Australia
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22
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Mao X, Chen S, Li G. Identification of a ten-long noncoding RNA signature for predicting the survival and immune status of patients with bladder urothelial carcinoma based on the GEO database: a superior machine learning model. Aging (Albany NY) 2021; 13:6957-6981. [PMID: 33621953 PMCID: PMC7993680 DOI: 10.18632/aging.202553] [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: 06/19/2020] [Accepted: 12/18/2020] [Indexed: 02/05/2023]
Abstract
Bladder urothelial carcinoma (BLCA) is recognized to be immunogenic and tumorigenic. This study identified a novel long noncoding RNA (lncRNA) signature for predicting survival for patients with BLCA. A univariate Cox regression model and the random survival forest-variable hunting (RSF-VH) algorithm were employed to achieve variable selection. Ten lncRNAs (LOC105375787, CYTOR, URB1-AS1, C21orf91-OT1, CASC15, LOC101928433, FLJ45139, LINC00960, HOTAIR and TTTY19) with the highest prognostic values were identified to establish the prognostic model. The nomogram integrating the signature and clinical factors showed high concordance index values of 0.94, 0.7 and 0.90 in the three datasets, and the calibration curves showed concordance between the predicted and observed 3- and 5-year survival rates. The risk score based on the 10-lncRNA signature accurately distinguished high- and low-risk BLCA patients with different disease-specific survival(DSS) or overall survival(OS) outcomes, which were stratified according to clinical factors, including T stage and tumour grade. Gene set enrichment analysis identified BLCA-specific biological pathways and enriched functional categories, such as the cell cycle, DNA repair and immune system. Furthermore, the increased infiltration of immune cells in the high-risk group indicated that lncRNA-related inflammation may reduce the survival of BLCA patients.
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Affiliation(s)
- XuDong Mao
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - ShiHan Chen
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - GongHui Li
- Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
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23
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Melixetian M, Bossi D, Mihailovich M, Punzi S, Barozzi I, Marocchi F, Cuomo A, Bonaldi T, Testa G, Marine JC, Leucci E, Minucci S, Pelicci PG, Lanfrancone L. Long non-coding RNA TINCR suppresses metastatic melanoma dissemination by preventing ATF4 translation. EMBO Rep 2021; 22:e50852. [PMID: 33586907 PMCID: PMC7926219 DOI: 10.15252/embr.202050852] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/20/2022] Open
Abstract
Transition from proliferative‐to‐invasive phenotypes promotes metastasis and therapy resistance in melanoma. Reversion of the invasive phenotype, however, is challenged by the poor understanding of mechanisms underlying its maintenance. Here, we report that the lncRNA TINCR is down‐regulated in metastatic melanoma and its silencing increases the expression levels of invasive markers, in vitro migration, in vivo tumor growth, and resistance to BRAF and MEK inhibitors. The critical mediator is ATF4, a central player of the integrated stress response (ISR), which is activated in TINCR‐depleted cells in the absence of starvation and eIF2α phosphorylation. TINCR depletion increases global protein synthesis and induces translational reprogramming, leading to increased translation of mRNAs encoding ATF4 and other ISR proteins. Strikingly, re‐expression of TINCR in metastatic melanoma suppresses the invasive phenotype, reduces numbers of tumor‐initiating cells and metastasis formation, and increases drug sensitivity. Mechanistically, TINCR interacts with mRNAs associated with the invasive phenotype, including ATF4, preventing their binding to ribosomes. Thus, TINCR is a suppressor of the melanoma invasive phenotype, which functions in nutrient‐rich conditions by repressing translation of selected ISR RNAs.
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Affiliation(s)
- Marine Melixetian
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Daniela Bossi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Marija Mihailovich
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Punzi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Iros Barozzi
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Federica Marocchi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Alessandro Cuomo
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Tiziana Bonaldi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Giuseppe Testa
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | - Jean-Christophe Marine
- Laboratory for Molecular Cancer Biology, Department of Oncology, KULeuven, Leuven, Belgium.,Center for Cancer Biology, VIB, Leuven, Belgium
| | - Eleonora Leucci
- Laboratory for RNA Cancer Biology, Department of Oncology, KULeuven, Leuven, Belgium
| | - Saverio Minucci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Biosciences, University of Milan, Milan, Italy
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
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24
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Gu X, Chu Q, Zheng Q, Wang J, Zhu H. The dual functions of the long noncoding RNA CASC15 in malignancy. Biomed Pharmacother 2021; 135:111212. [PMID: 33433353 DOI: 10.1016/j.biopha.2020.111212] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/05/2020] [Accepted: 12/26/2020] [Indexed: 12/24/2022] Open
Abstract
Emerging evidence has demonstrated that long noncoding RNAs (lncRNAs) play vital roles in tumorigenesis and progression. LncRNAs can participate in various biological processes, such as cell growth, anti-apoptosis functions, migration, and invasion. Cancer susceptibility candidate 15 (CASC15) is a cancer-related lncRNA that has been reported to play opposite roles in the pathogenesis of different types of cancers. Studies have shown that CASC15 is downregulated in ovarian cancer and neuroblastoma, acting mainly as a tumour suppressor, while it is highly expressed and carcinogenic in hepatocellular carcinoma (HCC), lung cancer, tongue squamous cell carcinoma, gastric cancer, colorectal cancer, cervical cancer, and breast cancer. Furthermore, aberrant CASC15 expression is associated with tumorigenesis, progression, and patient outcomes via regulation of target genes and signalling pathways. In this review, we summarize current data concerning the regulatory functions and underlying mechanisms of CASC15 in tumour development. We also highlight its potential clinical utility as a biomarker for early detection or as a therapeutic target in human cancers.
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Affiliation(s)
- Xinyu Gu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Qingfei Chu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Qiuxian Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Jing Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Haihong Zhu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China.
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25
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De Falco V, Napolitano S, Esposito D, Guerrera LP, Ciardiello D, Formisano L, Troiani T. Comprehensive Review on the Clinical Relevance of Long Non-Coding RNAs in Cutaneous Melanoma. Int J Mol Sci 2021; 22:1166. [PMID: 33503876 PMCID: PMC7865742 DOI: 10.3390/ijms22031166] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023] Open
Abstract
Cutaneous melanoma is considered a rare tumor, although it is one of the most common cancers in young adults and its incidence has risen in the last decades. Targeted therapy, with BRAF and MEK inhibitors, and immunotherapy revolutionized the treatment of metastatic melanoma but there is still a considerable percentage of patients with primary or acquired resistance to these therapies. Recently, oncology researchers directed their attention at the role of long non-coding RNAs (lncRNAs) in different types of cancers, including melanoma. lncRNAs are RNA transcripts, initially considered "junk sequences", that have been proven to have a crucial role in the fine regulation of physiological and pathological processes of different tissues. Furthermore, they are more expressed in tumors than protein-coding genes, constituting perfect candidates either as biomarkers (diagnostic, prognostic, predictive) or as therapeutic targets. In this work, we reviewed all the literature available for lncRNA in melanoma, elucidating all the potential roles in this tumor.
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Affiliation(s)
- Vincenzo De Falco
- Department of Precision Medicine, Università della Campania “Luigi Vanvitelli”, 80131 Napoli, Italy; (V.D.F.); (S.N.); (L.P.G.); (D.C.)
| | - Stefania Napolitano
- Department of Precision Medicine, Università della Campania “Luigi Vanvitelli”, 80131 Napoli, Italy; (V.D.F.); (S.N.); (L.P.G.); (D.C.)
| | - Daniela Esposito
- Department of Clinical Medicine and Surgery, University of Naples “Federico II”, 80131 Napoli, Italy; (D.E.); (L.F.)
| | - Luigi Pio Guerrera
- Department of Precision Medicine, Università della Campania “Luigi Vanvitelli”, 80131 Napoli, Italy; (V.D.F.); (S.N.); (L.P.G.); (D.C.)
| | - Davide Ciardiello
- Department of Precision Medicine, Università della Campania “Luigi Vanvitelli”, 80131 Napoli, Italy; (V.D.F.); (S.N.); (L.P.G.); (D.C.)
| | - Luigi Formisano
- Department of Clinical Medicine and Surgery, University of Naples “Federico II”, 80131 Napoli, Italy; (D.E.); (L.F.)
| | - Teresa Troiani
- Department of Precision Medicine, Università della Campania “Luigi Vanvitelli”, 80131 Napoli, Italy; (V.D.F.); (S.N.); (L.P.G.); (D.C.)
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Chen P, Chen R, Guo H, Cheng J, Zhang R, Liu B, Pang J, Cao W. CASC15 Polymorphisms are Correlated With Breast Cancer Susceptibility in Chinese Han Women. Clin Breast Cancer 2021; 21:e518-e525. [PMID: 33551326 DOI: 10.1016/j.clbc.2021.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/20/2020] [Accepted: 01/05/2021] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Breast cancer (BC) is a prevalent malignant tumor among women. Numerous studies have been reported that long noncoding RNAs (lncRNAs) were associated with various human diseases. MATERIALS AND METHODS In the current study, 681 patients with BC and 680 unrelated controls were recruited to investigate the correlation between lncRNA cancer susceptibility candidate 15 (CASC15) polymorphisms and BC risk in Chinese Han women. We performed single-nucleotide polymorphism genotyping using the Agena MassARRAY platform. The relationship between lncRNA CASC15 polymorphisms and the risk of BC were evaluated through odds ratios and 95% confidence intervals. RESULTS Our results suggested that the lncRNA CASC15 rs7740084 "G/G" genotype and rs1928168 "T/C" genotype significantly reduced BC risk in different genetic models (P = .045, P = .029, and P = .047, respectively). However, rs9393266 "C/T" and "C/T-T/T" genotypes were correlated with the risk of BC (P = .021 and P = .048). In addition, we also observed that rs1928168 was related to the risk of BC in patients with age > 50 years (P = .025), body mass index > 24 (P = .006), and tumor size (P = .035). For rs9393266, it was revealed that the "C/T" and "C/T-T/T" genotypes were related to BC risk in people with age ≤ 50 years (P = .005) and body mass index > 24 (P = .023). CONCLUSION In summary, our results revealed a potential interaction between lncRNA CASC15 polymorphisms and BC susceptibility. The results provided an important insight into lncRNA CASC15 function in the development of BC.
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Affiliation(s)
- Peng Chen
- Department of Biochemistry and Molecular Biology, Institution of Basic Medical Science, Xi'an Medical University, Xi'an, PR China
| | - Rui Chen
- Department of Gynecology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, PR China
| | - Huifang Guo
- Department of Biochemistry and Molecular Biology, Institution of Basic Medical Science, Xi'an Medical University, Xi'an, PR China
| | - Jianghong Cheng
- Department of Biochemistry and Molecular Biology, Institution of Basic Medical Science, Xi'an Medical University, Xi'an, PR China
| | - Ruisan Zhang
- Department of Biochemistry and Molecular Biology, Institution of Basic Medical Science, Xi'an Medical University, Xi'an, PR China
| | - Baoning Liu
- Department of Biochemistry and Molecular Biology, Institution of Basic Medical Science, Xi'an Medical University, Xi'an, PR China
| | - Jianjian Pang
- Second Department of Tuberculosis, Xi'an Chest Hospital, Xi'an, PR China.
| | - Wei Cao
- Department of Oncology, Shaanxi Provincial People's Hospital, Xi'an, PR China.
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27
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Sun J, Xiong Y, Jiang K, Xin B, Jiang T, Wei R, Zou Y, Tan H, Jiang T, Yang A, Jia L, Wang L. Hypoxia-sensitive long noncoding RNA CASC15 promotes lung tumorigenesis by regulating the SOX4/β-catenin axis. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:12. [PMID: 33407675 PMCID: PMC7789733 DOI: 10.1186/s13046-020-01806-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023]
Abstract
Background Accumulating evidence has demonstrated that long non-coding RNAs (lncRNAs) are involved in the hypoxia-related cancer process and play pivotal roles in enabling malignant cells to survive under hypoxic stress. However, the molecular crosstalk between lncRNAs and hypoxia signaling cascades in non-small cell lung cancer (NSCLC) remains largely elusive. Methods Firstly, we identified differentially expressed lncRNA cancer susceptibility candidate 15 (CASC15) as associated with NSCLC based on bioinformatic data. The clinical significance of CASC15 in lung cancer was investigated by Kaplan-Meier survival analysis. Then, we modulated CASC15 expression in NSCLC cell lines by RNAi. CCK-8 and transwell assays were carried out to examine the effects of CASC15 on proliferation and migration of NSCLC cells. Upstream activator and downstream targets of CASC15 were validated by luciferase reporter assay, qRT-PCR, Western blotting, and chromatin immunoprecipitation (ChIP). Lastly, RNA in situ hybridization (RNA-ISH) and immunohistochemistry (IHC) were performed to confirm the genetic relationships between CASC15 and related genes in clinical samples. Results CASC15 was highly expressed in NSCLC tissues and closely associated with poor prognosis. Loss-of-function analysis demonstrated that CASC15 was essential for NSCLC cell migration and growth. Mechanistic study revealed that CASC15 was transcriptionally activated by hypoxia signaling in NSCLC cells. Further analysis showed that hypoxia-induced CASC15 transactivation was mainly dependent on hypoxia-inducible factor 1α (HIF-1α) and hypoxia response elements (HREs) located in CASC15 promoter. CASC15 promotes the expression of its chromosomally nearby gene, SOX4. Then SOX4 functions to stabilize β-catenin protein, thereby enhancing the proliferation and migration of NSCLC cells. HIF-1α/CASC15/SOX4/β-catenin pathway was activated in a substantial subset of NSCLC patients. Conclusions HIF-1α/CASC15/SOX4/β-catenin axis plays an essential role in the development and progression of NSCLC. The present work provides new evidence that lncRNA CASC15 holds great promise to be used as novel biomarkers for NSCLC. Blocking the HIF-1α/CASC15/SOX4/β-catenin axis can serve as a potential therapeutic strategy for treating NSCLC.
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Affiliation(s)
- Jianyong Sun
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.,Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Yanlu Xiong
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Kuo Jiang
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, China
| | - Bo Xin
- Department of Oncology, The 960th Hospital of PLA, Tai'an, 271000, Shandong, China
| | - Tongtong Jiang
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Renji Wei
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Yuankang Zou
- The Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Department of Occupational and Environmental Health, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Hong Tan
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Tao Jiang
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi, China
| | - Angang Yang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China
| | - Lintao Jia
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
| | - Lei Wang
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, 710032, Shaanxi, China.
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Abstract
Increasing evidence suggests that long non-coding RNAs (lncRNAs) are of vital importance for various biological processes, and dysregulation of lncRNAs is frequently associated with various diseases such as psoriasis. LncRNAs modulate gene expression at the transcriptional, post-transcriptional, and translational levels; however, the specific regulatory mechanisms of lncRNAs in psoriasis remain largely unexplored. This review provides an overview of recent studies investigating mechanisms and functions of lncRNAs in psoriasis, especially focusing on the role of lncRNAs in keratinocytes, T cells, and dendritic cells.
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Xavier PLP, Müller S, Fukumasu H. Epigenetic Mechanisms in Canine Cancer. Front Oncol 2020; 10:591843. [PMID: 33194754 PMCID: PMC7646326 DOI: 10.3389/fonc.2020.591843] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/05/2020] [Indexed: 01/18/2023] Open
Abstract
A plethora of data has highlighted the role of epigenetics in the development of cancer. Initiation and progression of different cancer types are associated with a variety of changes of epigenetic mechanisms, including aberrant DNA methylation, histone modifications, and miRNA expression. At the same time, advances in the available epigenetic tools allow to investigate and reverse these epigenetic changes and form the basis for the development of anticancer drugs in human oncology. Although human and canine cancer shares several common features, only recently that studies emerged investigating the epigenetic landscape in canine cancer and applying epigenetic modulators to canine cancer. This review focuses on the existing studies involving epigenetic changes in different types of canine cancer and the use of small-molecule inhibitors in canine cancer cells.
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Affiliation(s)
- Pedro Luiz Porfirio Xavier
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of Sao Paulo, Pirassununga, Brazil
| | - Susanne Müller
- Structural Genomics Consortium and Institute of Pharmaceutical Chemistry, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Heidge Fukumasu
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of Sao Paulo, Pirassununga, Brazil
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30
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Safa A, Gholipour M, Dinger ME, Taheri M, Ghafouri-Fard S. The critical roles of lncRNAs in the pathogenesis of melanoma. Exp Mol Pathol 2020; 117:104558. [PMID: 33096077 DOI: 10.1016/j.yexmp.2020.104558] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/12/2020] [Accepted: 10/17/2020] [Indexed: 12/14/2022]
Abstract
Long non-coding RNAs (lncRNAs) embrace a huge fraction of human transcripts and participate in the pathogenesis of human disorders especially malignant conditions. Malignant melanoma, as the most fatal type of cutaneous malignnacies, is associated with dysregulation of several lncRNAs including PVT1, H19, MALAT1, and CCAT1. Moreover, a portion of lncRNAs are exclusively expressed in melanoma cell lines. Expression levels of several lncRNAs are associated with TNM stage, tumor size and progression of melanoma. Thus, these lncRNAs are regarded as biomarkers for this malignancy. Peripheral transcript levels of a number of lncRNAs, such as PVT1, SNHG5 and SPRY4-IT1, could distinguish melanoma patients from unaffected persons with appropriate sensitivity and specificity values. Moreover, expression levels of numerous lncRNAs in tissue biopsies could differentiate malignant samples from benign samples. Based on the results of both cell line and in vivo studies, lncRNAs regulate critical pathways in the carcinogenesis of melanoma, such as the PI3K/Akt and NF-κB signaling pathways, and are involved in the modulation of response to chemotherapeutic agents. Here we review the existing information on the role of lncRNAs in malignant melanoma.
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Affiliation(s)
- Amin Safa
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam
| | - Mahdi Gholipour
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marcel E Dinger
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, 2052 Sydney, NSW, Australia
| | - Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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31
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Mayama S, Hamazaki N, Maruyama Y, Matsubara S, Kimura AP. Transcriptional activation of the mouse Scd2 gene by interdependent enhancers and long noncoding RNAs in ovarian granulosa cells. J Reprod Dev 2020; 66:435-444. [PMID: 32507774 PMCID: PMC7593631 DOI: 10.1262/jrd.2019-161] [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] [Indexed: 01/12/2023] Open
Abstract
Specific gene expression in granulosa cells is key for the function of ovary, but the molecular mechanism of transcriptional activation is not well studied.
Here we investigated the regulatory mechanism of the mouse stearoyl-CoA desaturase 2 (Scd2) gene encoding an enzyme for lipid metabolism.
Northern blot and in situ hybridization indicated that the mouse Scd2 mRNA was highly expressed in ovarian granulosa cells. We
found four conserved noncoding sequences (CNSs) and two long noncoding RNAs (lncRNAs) transcribed from regions upstream of the Scd2 gene as
candidates of regulatory elements/factors. These lncRNAs were predominantly transcribed in the opposite direction to Scd2 and localized in
nuclei and showed the correlation with Scd2 expression, raising the possibility of their transcriptional regulatory roles. Indeed, knockdown of
both lncRNAs, lncRNA-sc1 and lncRNA-sc2, significantly decreased the Scd2 mRNA level in primary granulosa
cells. Then, we investigated the histone modification pattern at this locus by a chromatin immunoprecipitation assay, and two CNSs, CNS1 and CNS2, were found to
be marked with high levels of histone H3K9/K27 acetylation in primary granulosa cells. By a reporter gene assay, both CNS1 and CNS2 interdependently exhibited
enhancer activity for the Scd2 promoter in primary granulosa cells. These data suggest that the mouse Scd2 gene is activated
by two lncRNAs and interdependent enhancers in ovarian granulosa cells, which provides a new insight into transcriptional activation in granulosa cells.
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Affiliation(s)
- Shota Mayama
- Graduate School of Life Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Nobuhiko Hamazaki
- Division of Biology, Department of Biological Sciences, School of Science, Hokkaido University, Sapporo 060-0810, Japan.,Present: Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Yuki Maruyama
- Graduate School of Life Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Shin Matsubara
- Graduate School of Life Science, Hokkaido University, Sapporo 060-0810, Japan.,Present: Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto 619-0284, Japan
| | - Atsushi P Kimura
- Graduate School of Life Science, Hokkaido University, Sapporo 060-0810, Japan.,Division of Biology, Department of Biological Sciences, School of Science, Hokkaido University, Sapporo 060-0810, Japan.,Department of Biological Sciences, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
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32
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Khan AQ, Ahmad F, Raza SS, Zarif L, Siveen KS, Sher G, Agha MV, Rashid K, Kulinski M, Buddenkotte J, Uddin S, Steinhoff M. Role of non-coding RNAs in the progression and resistance of cutaneous malignancies and autoimmune diseases. Semin Cancer Biol 2020; 83:208-226. [PMID: 32717336 DOI: 10.1016/j.semcancer.2020.07.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/28/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023]
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Vafadar A, Shabaninejad Z, Movahedpour A, Mohammadi S, Fathullahzadeh S, Mirzaei HR, Namdar A, Savardashtaki A, Mirzaei H. Long Non-Coding RNAs As Epigenetic Regulators in Cancer. Curr Pharm Des 2020; 25:3563-3577. [PMID: 31470781 DOI: 10.2174/1381612825666190830161528] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 08/21/2019] [Indexed: 02/08/2023]
Abstract
Long noncoding RNAs (lncRNAs) constitute large portions of the mammalian transcriptome which appeared as a fundamental player, regulating various cellular mechanisms. LncRNAs do not encode proteins, have mRNA-like transcripts and frequently processed similar to the mRNAs. Many investigations have determined that lncRNAs interact with DNA, RNA molecules or proteins and play a significant regulatory function in several biological processes, such as genomic imprinting, epigenetic regulation, cell cycle regulation, apoptosis, and differentiation. LncRNAs can modulate gene expression on three levels: chromatin remodeling, transcription, and post-transcriptional processing. The majority of the identified lncRNAs seem to be transcribed by the RNA polymerase II. Recent evidence has illustrated that dysregulation of lncRNAs can lead to many human diseases, in particular, cancer. The aberrant expression of lncRNAs in malignancies contributes to the dysregulation of proliferation and differentiation process. Consequently, lncRNAs can be useful to the diagnosis, treatment, and prognosis, and have been characterized as potential cancer markers as well. In this review, we highlighted the role and molecular mechanisms of lncRNAs and their correlation with some of the cancers.
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Affiliation(s)
- Asma Vafadar
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Shabaninejad
- Department of Nanotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Movahedpour
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.,Student research committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soheila Mohammadi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sima Fathullahzadeh
- Medical Biotechnology Research Center, Ashkezar Branch, Islamic Azad University, Ashkezar, Yazd, Iran
| | - Hamid R Mirzaei
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Afshin Namdar
- Department of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Amir Savardashtaki
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Ramos RI, Bustos MA, Wu J, Jones P, Chang SC, Kiyohara E, Tran K, Zhang X, Stern SL, Izraely S, Sagi-Assif O, Witz IP, Davies MA, Mills GB, Kelly DF, Irie RF, Hoon DSB. Upregulation of cell surface GD3 ganglioside phenotype is associated with human melanoma brain metastasis. Mol Oncol 2020; 14:1760-1778. [PMID: 32358995 PMCID: PMC7400791 DOI: 10.1002/1878-0261.12702] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/24/2020] [Accepted: 04/27/2020] [Indexed: 12/23/2022] Open
Abstract
Melanoma metastasis to the brain is one of the most frequent extracranial brain tumors. Cell surface gangliosides are elevated in melanoma metastasis; however, the metabolic regulatory mechanisms that govern these specific changes are poorly understood in melanoma particularly brain metastases (MBM) development. We found ganglioside GD3 levels significantly upregulated in MBM compared to lymph node metastasis (LNM) but not for other melanoma gangliosides. Moreover, we demonstrated an upregulation of ST8SIA1 (GD3 synthase) as melanoma progresses from melanocytes to MBM cells. Using RNA‐ISH on FFPE specimens, we evaluated ST8SIA1 expression in primary melanomas (PRM) (n = 23), LNM and visceral metastasis (n = 45), and MBM (n = 39). ST8SIA1 was significantly enhanced in MBM compared to all other specimens. ST8SIA1 expression was assessed in clinically well‐annotated melanoma patients from multicenters with AJCC stage III B‐D LNM (n = 58) with 14‐year follow‐up. High ST8SIA1 expression was significantly associated with poor overall survival (HR = 3.24; 95% CI, 1.19–8.86, P = 0.02). In a nude mouse human xenograft melanoma brain metastasis model, MBM variants had higher ST8SIA1 expression than their respective cutaneous melanoma variants. Elevated ST8SIA1 expression enhances levels of cell surface GD3, a phenotype that favors MBM development, hence associated with very poor prognosis. Functional assays demonstrated that ST8SIA1 overexpression enhanced cell proliferation and colony formation, whereby ST8SIA1 knockdown had opposite effects. Icaritin a plant‐derived phytoestrogen treatment significantly inhibited cell growth in high GD3‐positive MBM cells through targeting the canonical NFκB pathway. The study demonstrates GD3 phenotype associates with melanoma progression and poor outcome.
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Affiliation(s)
- Romela Irene Ramos
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Matias A Bustos
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Jinfeng Wu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Peter Jones
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Shu Ching Chang
- Medical Data Research Center, Providence St. Joseph Health Center, Portland, OR, USA
| | - Eiji Kiyohara
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Kevin Tran
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Xiaoqing Zhang
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Stacey L Stern
- Department of Biostatistics, JWCI, Santa Monica, CA, USA
| | - Sivan Izraely
- Department of Cell Research and Immunology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Orit Sagi-Assif
- Department of Cell Research and Immunology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Isaac P Witz
- Department of Cell Research and Immunology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, Tel Aviv, Israel
| | - Michael A Davies
- Department of Melanoma Medical Oncology, Systems Biology and Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gordon B Mills
- Department of Cell Development and Cancer Biology, Oregon Health and Science University (OHSU) Knight Cancer Institute Portland, OR, USA
| | - Daniel F Kelly
- Pacific Neuroscience Institute, JWCI, Santa Monica, CA, USA
| | - Reiko F Irie
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, John Wayne Cancer Institute (JWCI), Santa Monica, CA, USA
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35
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Ni H, Chai P, Yu J, Xing Y, Wang S, Fan J, Ge S, Wang Y, Jia R, Fan X. LncRNA CANT1 suppresses retinoblastoma progression by repellinghistone methyltransferase in PI3Kγ promoter. Cell Death Dis 2020; 11:306. [PMID: 32366932 PMCID: PMC7198571 DOI: 10.1038/s41419-020-2524-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/12/2020] [Accepted: 04/14/2020] [Indexed: 02/07/2023]
Abstract
Retinoblastoma (RB) is the most common malignant intraocular tumor of childhood. Recent studies have shown that long noncoding RNAs (lncRNAs), which are longer than 200 bp and without protein-coding ability, are key regulators of tumorigenesis. However, the role of lncRNAs in retinoblastoma remains to be elucidated. In this study, we found that the expression of lncRNA CASC15-New-Transcript 1 (CANT1) was significantly downregulated in RB. Notably, overexpression of CANT1 significantly inhibited RB growth both in vitro and in vivo. Furthermore, lncRNA CANT1, which was mainly located in the nucleus, occupied the promoter of phosphoinositide 3-kinase gamma (PI3Kγ) and blocked histone methyltransferase hSET1 from binding to the PI3Kγ promoter, thus abolishing hSET1-mediated histone H3K4 trimethylation of the PI3Kγ promoter and inhibiting PI3Kγ expression. Furthermore, we found that silencing PI3Kγ either by lncRNA CANT1 overexpression or by PI3Kγ siRNA, reduced the activity of PI3K/Akt signaling and suppressed RB tumorigenesis. In summary, lncRNA CANT1 acts as a suppressor of RB progression by blocking gene-specific histone methyltransferase recruitment. These findings outline a new CANT1 modulation mechanism and provide an alternative option for the RB treatment.
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Affiliation(s)
- Hongyan Ni
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Peiwei Chai
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Jie Yu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Yue Xing
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Shaoyun Wang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Jiayan Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011
| | - Yefei Wang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011. .,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011.
| | - Renbing Jia
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011. .,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011.
| | - Xianqun Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China, 200011. .,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China, 200011.
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Kazachenka A, Young GR, Attig J, Kordella C, Lamprianidou E, Zoulia E, Vrachiolias G, Papoutselis M, Bernard E, Papaemmanuil E, Kotsianidis I, Kassiotis G. Epigenetic therapy of myelodysplastic syndromes connects to cellular differentiation independently of endogenous retroelement derepression. Genome Med 2019; 11:86. [PMID: 31870430 PMCID: PMC6929315 DOI: 10.1186/s13073-019-0707-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 12/15/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Myelodysplastic syndromes (MDS) and acute myeloid leukaemia (AML) are characterised by abnormal epigenetic repression and differentiation of bone marrow haematopoietic stem cells (HSCs). Drugs that reverse epigenetic repression, such as 5-azacytidine (5-AZA), induce haematological improvement in half of treated patients. Although the mechanisms underlying therapy success are not yet clear, induction of endogenous retroelements (EREs) has been hypothesised. METHODS Using RNA sequencing (RNA-seq), we compared the transcription of EREs in bone marrow HSCs from a new cohort of MDS and chronic myelomonocytic leukaemia (CMML) patients before and after 5-AZA treatment with HSCs from healthy donors and AML patients. We further examined ERE transcription using the most comprehensive annotation of ERE-overlapping transcripts expressed in HSCs, generated here by de novo transcript assembly and supported by full-length RNA-seq. RESULTS Consistent with prior reports, we found that treatment with 5-AZA increased the representation of ERE-derived RNA-seq reads in the transcriptome. However, such increases were comparable between treatment responses and failures. The extended view of HSC transcriptional diversity offered by de novo transcript assembly argued against 5-AZA-responsive EREs as determinants of the outcome of therapy. Instead, it uncovered pre-treatment expression and alternative splicing of developmentally regulated gene transcripts as predictors of the response of MDS and CMML patients to 5-AZA treatment. CONCLUSIONS Our study identifies the developmentally regulated transcriptional signatures of protein-coding and non-coding genes, rather than EREs, as correlates of a favourable response of MDS and CMML patients to 5-AZA treatment and offers novel candidates for further evaluation.
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Affiliation(s)
- Anastasiya Kazachenka
- Retroviral Immunology, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - George R Young
- Retrovirus-Host Interactions, The Francis Crick Institute, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Jan Attig
- Retroviral Immunology, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Chrysoula Kordella
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - Eleftheria Lamprianidou
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - Emmanuela Zoulia
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - George Vrachiolias
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - Menelaos Papoutselis
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - Elsa Bernard
- Center for Molecular Oncology, Center for Heme Malignancies and Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Elli Papaemmanuil
- Center for Molecular Oncology, Center for Heme Malignancies and Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Ioannis Kotsianidis
- Department of Haematology, Democritus University of Thrace Medical School, Alexandroupolis, Greece
| | - George Kassiotis
- Retroviral Immunology, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK.
- Department of Medicine, Faculty of Medicine, Imperial College London, London, W2 1PG, UK.
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Sheng L, Wei R. Long Non-Coding RNA-CASC15 Promotes Cell Proliferation, Migration, and Invasion by Activating Wnt/β-Catenin Signaling Pathway in Melanoma. Pathobiology 2019; 87:20-29. [PMID: 31838468 DOI: 10.1159/000502803] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/17/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Melanoma is one of the most aggressive and high mortality skin cancers in the world. Long non-coding RNA-CASC15, as a carcinogen, plays an important role in a variety of tumorigenesis; however, the role and underlying mechanism of CASC15 in melanoma remain unclear. METHODS Quantitative real-time polymerase chain reaction was applied to explore CASC15 and β-catenin expression in melanoma tissues and cells. Western blotting was carried out to investigate β-catenin, glycogen synthase kinase-3β, Survivin, Bax, Bcl-2, and epithelial-mesenchymal transition (EMT)-related protein expression level. Cell proliferation, apoptosis, migration, and invasion were observed by colony formation assay, flow cytometry, and transwell migration and invasion assays, respectively. The activity of Wnt/β-catenin signaling pathway was measured by Topflash luciferase reporter assay. RESULTS The expression of CASC15 and β-catenin was upregulated in melanoma tissues and cells. Knockdown of CASC15 suppressed Wnt/β-catenin signaling pathway and inhibited β-catenin expression. Furthermore, inhibition of CASC15 decreased proliferation and increased apoptosis of melanoma cells by downregulating Survivin and Bcl-2 and upregulating Bax in A375 and SK-MEL-28 cells. Silencing of CASC15 inhibited migration and invasion of melanoma cells by repressing EMT process. CONCLUSION Our study demonstrated that CASC15 promoted the proliferation, migration, and invasion of melanoma cells via activating Wnt/β-catenin signaling pathway, implying that CASC15 might be a potential therapeutic target and prognostic biomarker for melanoma.
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Affiliation(s)
- Liang Sheng
- Department of Dermatology, Guizhou Provincial People's Hospital, Guiyang, China,
| | - Rong Wei
- Department of Dermatology, The Second People's Hospital of Guiyang, Guiyang, China
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38
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Li Y, Chen G, Yan Y, Fan Q. CASC15 promotes epithelial to mesenchymal transition and facilitates malignancy of hepatocellular carcinoma cells by increasing TWIST1 gene expression via miR-33a-5p sponging. Eur J Pharmacol 2019; 860:172589. [DOI: 10.1016/j.ejphar.2019.172589] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 07/19/2019] [Accepted: 08/01/2019] [Indexed: 02/06/2023]
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39
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Yang Y, Zhang Z, Wu Z, Lin W, Yu M. Downregulation of the expression of the lncRNA MIAT inhibits melanoma migration and invasion through the PI3K/AKT signaling pathway. Cancer Biomark 2019; 24:203-211. [PMID: 30614798 DOI: 10.3233/cbm-181869] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Long noncoding RNA MIAT expression is related to the development of some diseases. However, the role of MIAT in melanoma was has seldom been studied. OBJECTIVE To investigate the effect of the lncRNA MIAT on melanoma cells. METHOD Microarray was used to analyze the lncRNAs expression in tissue samples. The expression of the lncRNA MIAT was detected by qRT-PCR. A CCK-8 assay was used to assess cell viability, and cell counting was used to analyze cell proliferation. Wound healing and Transwell invasion assays were used to detect the migration and invasion abilities, respectively, of melanoma cells. Western blotting was performed to explore the molecular mechanisms of MIAT in melanoma. RESULTS The lncRNA MIAT was overexpressed in melanoma. The overexpression of MIAT promoted cell proliferation, cell invasion and migration, while the knockdown of MIAT expression got the opposite results. MIAT significantly upregulated the phosphorylation of PI3K and AKT and promoted cMyc and cyclin D1 protein expression. CONCLUSION LncRNA MIAT was a key factor to promote cell invasion, migration and proliferation through the PI3K/AKT signaling pathway. These findings may give us a potential way to treat melanoma.
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Affiliation(s)
- Ying Yang
- Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China.,Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Zongduan Zhang
- Department of Ophthalmology, Eye Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China.,Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Zhengzheng Wu
- Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Wei Lin
- Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
| | - Man Yu
- Department of Ophthalmology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, China
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40
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Li M, Chen Y, Zhu J, Gao Z, Wang T, Zhou P. Long noncoding RNA CASC15 predicts unfavorable prognosis and exerts oncogenic functions in non-small cell lung cancer. Am J Transl Res 2019; 11:4303-4314. [PMID: 31396336 PMCID: PMC6684884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 05/23/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Aberrant expression of long non-coding RNA cancer susceptibility 15 (lncRNA CASC15) has been documented in various human tumors, and upregulation of CASC15 is closely correlated with cancer progression. However, the expression profile and potential biological functions of lncRNA CASC15 in non-small cell lung cancer (NSCLC) have not been fully characterized. METHODS The expression levels of CASC15 were assessed by qRT-PCR in human NSCLC tissues and by in situ hybridization in NSCLC tissue microarray. The relationship between CASC15 expression and clinical parameters, as well as prognosis were analyzed and validated in TCGA NSCLC datasets. The biological functions of CASC15 were analyzed by CCK-8 assay, cell migration and invasion assay in NSCLC cell lines in vitro. In addition, a mouse xenograft model was established to evaluate the effect of CASC15 knockdown on NSCLC tumor growth in vivo. Epithelial-mesenchymal transition (EMT) related molecules were examined by western blot and immunohistochemistry staining. RESULTS We found that CASC15 was upregulated in NSCLC tissues and cell lines. High expression levels of CASC15 were correlated with malignancies and poor survival rate in NSCLC patients. Multivariate analysis revealed that CASC15 was an independent risk factor of prognosis. In addition, we demonstrated that CASC15 knockdown inhibited NSCLC cell proliferation, migration and invasion in vitro. Xenograft model showed CASC15 knockdown significantly suppressed NSCLC tumor growth. Mechanistically, we revealed that CASC15 regulated EMT-related molecules and promoted the NSCLC progression and metastasis. CONCLUSION In summary, our findings suggest CASC15 exhibits an oncogenic role in promoting NSCLC tumorigenesis via regulating EMT.
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Affiliation(s)
- Min Li
- Department of Quality Management Office, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Yu Chen
- Department of Gerontology, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Jicun Zhu
- Department of Quality Management Office, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Zhan Gao
- Department of Quality Management Office, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Tao Wang
- Department of Cardiology, The Second Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
| | - Pengli Zhou
- Department of Intervention, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450014, China
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41
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Ng M, Heckl D, Klusmann JH. The Regulatory Roles of Long Noncoding RNAs in Acute Myeloid Leukemia. Front Oncol 2019; 9:570. [PMID: 31338324 PMCID: PMC6629768 DOI: 10.3389/fonc.2019.00570] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 06/12/2019] [Indexed: 01/23/2023] Open
Abstract
In this post-genomic era, long noncoding RNAs (lncRNAs) are rapidly gaining recognition for their crucial roles across diverse biological processes and contexts. The human blood system is no exception, where dozens of lncRNAs have been established as regulators of normal and/or malignant hematopoiesis, and where ongoing works continue to uncover novel lncRNA functions. Our review focuses on lncRNAs that are involved in the pathogenesis of acute myeloid leukemia (AML) and the mechanisms through which they control gene expression in this disease context. We also comment on genome-wide sequencing or profiling studies that have implicated large sets of lncRNAs in AML pathophysiology.
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Affiliation(s)
- Michelle Ng
- Department of Pediatrics I, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Dirk Heckl
- Department of Pediatrics I, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Jan-Henning Klusmann
- Department of Pediatrics I, Martin Luther University Halle-Wittenberg, Halle, Germany
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42
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Hitte C, Le Béguec C, Cadieu E, Wucher V, Primot A, Prouteau A, Botherel N, Hédan B, Lindblad-Toh K, André C, Derrien T. Genome-Wide Analysis of Long Non-Coding RNA Profiles in Canine Oral Melanomas. Genes (Basel) 2019; 10:genes10060477. [PMID: 31234577 PMCID: PMC6628375 DOI: 10.3390/genes10060477] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/17/2019] [Accepted: 06/19/2019] [Indexed: 12/25/2022] Open
Abstract
Mucosal melanomas (MM) are rare aggressive cancers in humans, and one of the most common forms of oral cancers in dogs. Similar biological and histological features are shared between MM in both species, making dogs a powerful model for comparative oncology studies of melanomas. Although exome sequencing recently identified recurrent coding mutations in canine MM, little is known about changes in non-coding gene expression, and more particularly, in canine long non-coding RNAs (lncRNAs), which are commonly dysregulated in human cancers. Here, we sampled a large cohort (n = 52) of canine normal/tumor oral MM from three predisposed breeds (poodles, Labrador retrievers, and golden retrievers), and used deep transcriptome sequencing to identify more than 400 differentially expressed (DE) lncRNAs. We further prioritized candidate lncRNAs by comparative genomic analysis to pinpoint 26 dog–human conserved DE lncRNAs, including SOX21-AS, ZEB2-AS, and CASC15 lncRNAs. Using unsupervised co-expression network analysis with coding genes, we inferred the potential functions of the DE lncRNAs, suggesting associations with cancer-related genes, cell cycle, and carbohydrate metabolism Gene Ontology (GO) terms. Finally, we exploited our multi-breed design to identify DE lncRNAs within breeds. This study provides a unique transcriptomic resource for studying oral melanoma in dogs, and highlights lncRNAs that may potentially be diagnostic or therapeutic targets for human and veterinary medicine.
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Affiliation(s)
- Christophe Hitte
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Céline Le Béguec
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Edouard Cadieu
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Valentin Wucher
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Dr. Aiguader 88, 08003 Barcelona, Spain.
| | - Aline Primot
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Anaïs Prouteau
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Nadine Botherel
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Benoît Hédan
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Kerstin Lindblad-Toh
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, SE-751 24 Uppsala, Sweden.
| | - Catherine André
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
| | - Thomas Derrien
- University of Rennes, CNRS, IGDR-UMR 6290, F-35000 Rennes, France.
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Li Y, Egranov SD, Yang L, Lin C. Molecular mechanisms of long noncoding RNAs-mediated cancer metastasis. Genes Chromosomes Cancer 2019; 58:200-207. [PMID: 30350428 PMCID: PMC10642708 DOI: 10.1002/gcc.22691] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/03/2018] [Accepted: 10/16/2018] [Indexed: 12/12/2022] Open
Abstract
Cancer metastasis is a multistep process that requires cancer cells to leave the primary site, survive in the blood stream, and finally colonize at a distant organ. It is the major cause of cancer morbidity and mortality. The organ-specific colonization requires close interaction and communication between cancer cells and host organs. Noncoding RNAs represent the majority of the transcriptome, with long noncoding RNAs (lncRNAs) making up a significant proportion. It has been suggested that lncRNAs play a key role in all stages of tumorigenesis and metastasis. This review will provide an overview of how lncRNAs are involved in cancer cell colonization in specific organ sites and the underlying mechanisms as well as therapeutic strategies.
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Affiliation(s)
- Yajuan Li
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sergey D. Egranov
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Liuqing Yang
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- The Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chunru Lin
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- The Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, Texas
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44
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Cardoso C, Serafim RB, Kawakami A, Gonçalves Pereira C, Vazquez VL, Valente V, Fisher DE, Espreafico EM. The lncRNA RMEL3 protects immortalized cells from serum withdrawal-induced growth arrest and promotes melanoma cell proliferation and tumor growth. Pigment Cell Melanoma Res 2019; 32:303-314. [PMID: 30457212 PMCID: PMC6613776 DOI: 10.1111/pcmr.12751] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 12/12/2022]
Abstract
RMEL3 is a recently identified lncRNA associated with BRAFV600E mutation and melanoma cell survival. Here, we demonstrate strong and moderate RMEL3 upregulation in BRAF and NRAS mutant melanoma cells, respectively, compared to melanocytes. High expression is also more frequent in cutaneous than in acral/mucosal melanomas, and analysis of an ICGC melanoma dataset showed that mutations in RMEL3 locus are preponderantly C > T substitutions at dipyrimidine sites including CC > TT, typical of UV signature. RMEL3 mutation does not correlate with RMEL3 levels, but does with poor patient survival, in TCGA melanoma dataset. Accordingly, RMEL3 lncRNA levels were significantly reduced in BRAFV600E melanoma cells upon treatment with BRAF or MEK inhibitors, supporting the notion that BRAF-MEK-ERK pathway plays a role to activate RMEL3 gene transcription. RMEL3 overexpression, in immortalized fibroblasts and melanoma cells, increased proliferation and survival under serum starvation, clonogenic ability, and xenografted melanoma tumor growth. Although future studies will be needed to elucidate the mechanistic activities of RMEL3, our data demonstrate that its overexpression bypasses the need of mitogen activation to sustain proliferation/survival of non-transformed cells and suggest an oncogenic role for RMEL3.
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Affiliation(s)
- Cibele Cardoso
- Department of Cell and Molecular Biology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Rodolfo B. Serafim
- Department of Cell and Molecular Biology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Akinori Kawakami
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Cristiano Gonçalves Pereira
- Department of Cell and Molecular Biology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Vinicius L. Vazquez
- Molecular Oncology Research Center (CPOM) and Melanoma/sarcoma Surgery Department, Barretos Cancer Hospital, Barretos, SP, Brazil
| | - Valeria Valente
- Department of Cell and Molecular Biology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Rodovia Araraquara - Jaú, Km 01 - s/n, Campos Ville, SP, 14800-903, Brazil; Center for Cell-Based Therapy CEPID/FAPESP, Ribeirão Preto, Brazil
| | - David E. Fisher
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Enilza M. Espreafico
- Department of Cell and Molecular Biology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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Turner AW, Wong D, Khan MD, Dreisbach CN, Palmore M, Miller CL. Multi-Omics Approaches to Study Long Non-coding RNA Function in Atherosclerosis. Front Cardiovasc Med 2019; 6:9. [PMID: 30838214 PMCID: PMC6389617 DOI: 10.3389/fcvm.2019.00009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 01/30/2019] [Indexed: 12/15/2022] Open
Abstract
Atherosclerosis is a complex inflammatory disease of the vessel wall involving the interplay of multiple cell types including vascular smooth muscle cells, endothelial cells, and macrophages. Large-scale genome-wide association studies (GWAS) and the advancement of next generation sequencing technologies have rapidly expanded the number of long non-coding RNA (lncRNA) transcripts predicted to play critical roles in the pathogenesis of the disease. In this review, we highlight several lncRNAs whose functional role in atherosclerosis is well-documented through traditional biochemical approaches as well as those identified through RNA-sequencing and other high-throughput assays. We describe novel genomics approaches to study both evolutionarily conserved and divergent lncRNA functions and interactions with DNA, RNA, and proteins. We also highlight assays to resolve the complex spatial and temporal regulation of lncRNAs. Finally, we summarize the latest suite of computational tools designed to improve genomic and functional annotation of these transcripts in the human genome. Deep characterization of lncRNAs is fundamental to unravel coronary atherosclerosis and other cardiovascular diseases, as these regulatory molecules represent a new class of potential therapeutic targets and/or diagnostic markers to mitigate both genetic and environmental risk factors.
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Affiliation(s)
- Adam W. Turner
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
| | - Doris Wong
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, United States
| | - Mohammad Daud Khan
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
| | - Caitlin N. Dreisbach
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
- School of Nursing, University of Virginia, Charlottesville, VA, United States
- Data Science Institute, University of Virginia, Charlottesville, VA, United States
| | - Meredith Palmore
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
| | - Clint L. Miller
- Center for Public Health Genomics, University of Virginia, Charlottesville, VA, United States
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, United States
- Data Science Institute, University of Virginia, Charlottesville, VA, United States
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, United States
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, United States
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Gao R, Fang C, Xu J, Tan H, Li P, Ma L. LncRNA CACS15 contributes to oxaliplatin resistance in colorectal cancer by positively regulating ABCC1 through sponging miR-145. Arch Biochem Biophys 2019; 663:183-191. [PMID: 30639170 DOI: 10.1016/j.abb.2019.01.005] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/17/2018] [Accepted: 01/07/2019] [Indexed: 02/06/2023]
Abstract
Increasing evidence suggests that long non-coding RNAs (lncRNAs) are implicated with chemoresistance of cancers. However, their functional role and molecular mechanisms in colorectal cancer (CRC) chemoresistance are still largely unclear. In this work, we aimed to investigate the functional role of lncRNA cancer susceptibility candidate 15 (CASC15) in oxaliplatin (OXA) resistance of CRC and reveal the underlying molecular mechanism. Our results discovered that CASC15 was up-regulated in OXA-resistant CRC tissues and cells. Patients with high CASC15 expression level had a poor prognosis. CASC15 knockdown re-sensitized HT29/OXA and HCT116/OXA cells to OXA. Moreover, CASC15 could act as a competing endogenous RNA (ceRNA) to de-repress ABCC1 expression through sponging miR-145. miR-145 overexpression or ABCC1 knockdown could mimic the functional role of down-regulated CACS15 in OXA resistance, which was counteracted by CASC15 overexpression. Furthermore, CASC15 knockdown facilitated OXA sensitivity of OXA-resistant CRC cells in vivo. In summary, CASC15 silencing overcame OXA resistance of CRC by regulating miR-145/ABCC1 axis, providing a potential therapeutic target for CRC chemoresistance.
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Affiliation(s)
- Rongrong Gao
- Tongji University School of Medicine, Shanghai, 200092, China
| | - Chun Fang
- Department of Interventional Radiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Jichong Xu
- Department of Interventional Radiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Huaqiao Tan
- Department of Interventional Radiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Peng Li
- Tongji University School of Medicine, Shanghai, 200092, China
| | - Lin Ma
- Department of Interventional Radiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China.
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Fattore L, Mancini R, Ascierto PA, Ciliberto G. The potential of BRAF-associated non-coding RNA as a therapeutic target in melanoma. Expert Opin Ther Targets 2018; 23:53-68. [PMID: 30507327 DOI: 10.1080/14728222.2019.1554057] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The advent of targeted therapies and immune checkpoints inhibitors has enhanced the treatment of metastatic melanomas. Despite striking improvements of patients' survival, drug resistance continues to limit the efficacy of such treatments. Genetic and nongenetic/adaptive mechanisms of resistance could be involved; in the latter mechanism, noncoding RNAs (ncRNAs) are emerging as key players. Areas covered: This article outlines the current knowledge of ncRNA involvement in BRAF-mutant melanomas and the development of resistance to targeted/immunotherapies. We also discuss how ncRNAs can be exploited for the development of therapeutic and diagnostic approaches. Expert opinion: ncRNAs can be envisaged as powerful diagnostics and therapeutics. Despite progress in our knowledge about their deregulation in cancer, it is still difficult to derive universal and robust ncRNAs unique signatures of malignancy for diagnostic purposes, which need validation in large cohort of patients. Also, ncRNA specific targeting to melanoma cells in vivo requires the development of improved systemic delivery tools. In this regard, the development of stable nanodelivery particles seems to offer renewed hope for success in the clinic.
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Affiliation(s)
- Luigi Fattore
- a IRCCS , Regina Elena National Cancer Institute , Rome , Italy
| | - Rita Mancini
- b Department of Molecular and Clinical Medicine , University of Roma "Sapienza" , Rome , Italy
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Conway K, Edmiston SN, Parker JS, Kuan PF, Tsai YH, Groben PA, Zedek DC, Scott GA, Parrish EA, Hao H, Pearlstein MV, Frank JS, Carson CC, Wilkerson MD, Zhao X, Slater NA, Moschos SJ, Ollila DW, Thomas NE. Identification of a Robust Methylation Classifier for Cutaneous Melanoma Diagnosis. J Invest Dermatol 2018; 139:1349-1361. [PMID: 30529013 DOI: 10.1016/j.jid.2018.11.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 12/15/2022]
Abstract
Early diagnosis improves melanoma survival, yet the histopathological diagnosis of cutaneous primary melanoma can be challenging, even for expert dermatopathologists. Analysis of epigenetic alterations, such as DNA methylation, that occur in melanoma can aid in its early diagnosis. Using a genome-wide methylation screening, we assessed CpG methylation in a diverse set of 89 primary invasive melanomas, 73 nevi, and 41 melanocytic proliferations of uncertain malignant potential, classified based on interobserver review by dermatopathologists. Melanomas and nevi were split into training and validation sets. Predictive modeling in the training set using ElasticNet identified a 40-CpG classifier distinguishing 60 melanomas from 48 nevi. High diagnostic accuracy (area under the receiver operator characteristic curve = 0.996, sensitivity = 96.6%, and specificity = 100.0%) was independently confirmed in the validation set (29 melanomas, 25 nevi) and other published sample sets. The 40-CpG melanoma classifier included homeobox transcription factors and genes with roles in stem cell pluripotency or the nervous system. Application of the 40-CpG melanoma classifier to the diagnostically uncertain samples assigned melanoma or nevus status, potentially offering a diagnostic tool to assist dermatopathologists. In summary, the robust, accurate 40-CpG melanoma classifier offers a promising assay for improving primary melanoma diagnosis.
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Affiliation(s)
- Kathleen Conway
- Department of Epidemiology, School of Public Health, University of North Carolina, Chapel Hill, North Carolina, USA; Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA; Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
| | - Sharon N Edmiston
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Joel S Parker
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Department of Genetics, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Pei Fen Kuan
- Department of Applied Mathematics and Statistics, Stony Brook University, Stony Brook, New York, USA
| | - Yi-Hsuan Tsai
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Pamela A Groben
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA; Department of Pathology and Laboratory Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Daniel C Zedek
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA; Department of Pathology and Laboratory Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Glynis A Scott
- Department of Dermatology, University of Rochester School of Medicine, Rochester, New York, USA; Department of Pathology and Laboratory Medicine, University of Rochester School of Medicine, Rochester, New York, USA
| | - Eloise A Parrish
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Honglin Hao
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Michelle V Pearlstein
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Jill S Frank
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Craig C Carson
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Matthew D Wilkerson
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Xiaobei Zhao
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Nathaniel A Slater
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Stergios J Moschos
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - David W Ollila
- Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Department of Surgery, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Nancy E Thomas
- Department of Dermatology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA; Lineberger Comprehensive Cancer Center (LCCC), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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Zuo Z, Ma L, Gong Z, Xue L, Wang Q. Long non-coding RNA CASC15 promotes tongue squamous carcinoma progression through targeting miR-33a-5p. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:22205-22212. [PMID: 29804249 DOI: 10.1007/s11356-018-2300-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 05/09/2018] [Indexed: 06/08/2023]
Abstract
Long non-coding RNAs (lncRNAs) have gained a lot of attention because they participate in several human disorders, including tumors. This study determined the role of LncRNA CASC15 (cancer susceptibility candidate 15) in the development of tongue squamous cell carcinoma (TSCC). Here, we identified that CASC15 expression was upregulated in TSCC samples and cell lines. We showed that overexpression of CASC15 promoted cell proliferation, cycle, and migration in TSCC. In addition, we revealed that miR-33a-5p expression was downregulated in TSCC tissues and cell lines. Moreover, we showed that the expression of CASC15 was negatively related with miR-33a-5p expression in TSCC tissues. Ectopic expression of miR-33a-5p suppressed cell proliferation, cycle, and migration in TSCC. Elevated expression of CASC15 suppressed miR-33a-5p expression and promoted ZEB1 expression in SCC4 cell. Ectopic expression of CASC15 promoted TSCC cell proliferation, cycle, and migration through targeting miR-33a-5p. These results suggested that lncRNA CASC15 and miR-33a-5p might be exploited as new markers of TSCC and were potential treatment targets for TSCC patients.
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Affiliation(s)
- Zhibin Zuo
- Department of Periodontology, Jinan Stomatological Hospital, Jinan, Shandong, China
| | - Long Ma
- Department of Periodontology, Jinan Stomatological Hospital, Jinan, Shandong, China
| | - Zuode Gong
- Department of Endodontics, Jinan Stomatological Hospital, Jinan, Shandong, China
| | - Lande Xue
- Department of Periodontology, Jinan Stomatological Hospital, Jinan, Shandong, China
| | - Qibao Wang
- Department of Endodontics, Jinan Stomatological Hospital, Jinan, Shandong, China.
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50
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Yin Y, Zhao B, Li D, Yin G. Long non-coding RNA CASC15 promotes melanoma progression by epigenetically regulating PDCD4. Cell Biosci 2018; 8:42. [PMID: 30013768 PMCID: PMC6044067 DOI: 10.1186/s13578-018-0240-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/07/2018] [Indexed: 12/20/2022] Open
Abstract
Background Long non-coding RNAs (LncRNAs) have been identified as critical regulators in a variety of cancer types. Cancer susceptibility candidate 15 (CASC15), a lncRNA located at chromosome 6p22.3, has been discovered to participate in melanoma progression and phenotype switching. Nevertheless, the roles and molecular mechanisms of CASC15 in melanoma are far from being understood. Results We found that CASC15 expression was up-regulated in melanoma tissues and associated with advanced pathological stages. Function experiments displayed that CASC15 knockdown hindered proliferation, facilitated apoptosis and suppressed invasion, while CASC15 overexpression facilitated proliferation and invasion in melanoma cells. Further mechanistic analysis showed that CASC15 epigenetically silenced the expression of programmed cell death 4 (PDCD4) by recruiting EZH2 and increasing H3K27me3 level at the promoter region of PDCD4. Additionally, PDCD4 overexpression inhibited proliferation, enhanced apoptosis and decreased invasion of melanoma cells. Moreover, CASC15-knockdown-induced anti-cancer effects were abated by PDCD4 down-regulation. Furthermore, depletion of CASC15 blocked tumor growth of melanoma by up-regulating PDCD4 in vivo. Conclusions CASC15 acts as an oncogene by negatively regulating PDCD4 expression via recruiting EZH2 and subsequently increasing H3K27me3 level. Together, our study indicates that CASC15/EZH2/PDCD4 may serve as a promising therapeutic target for melanoma intervention.
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Affiliation(s)
- Yakun Yin
- 1Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jian She East Road, Zhengzhou, 450052 China
| | - Bin Zhao
- 2Department of Dermatology, The Third People's Hospital of Henan Province, No 198 Fu Niu Road, Zhengzhou, 450006 China
| | - Dongqin Li
- 1Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jian She East Road, Zhengzhou, 450052 China
| | - Guangwen Yin
- 1Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jian She East Road, Zhengzhou, 450052 China
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