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Samaei SS, Daryab M, Gholami S, Rezaee A, Fatehi N, Roshannia R, Hashemi S, Javani N, Rahmanian P, Amani-Beni R, Zandieh MA, Nabavi N, Rashidi M, Malgard N, Hashemi M, Taheriazam A. Multifunctional and stimuli-responsive liposomes in hepatocellular carcinoma diagnosis and therapy. Transl Oncol 2024; 45:101975. [PMID: 38692195 PMCID: PMC11070928 DOI: 10.1016/j.tranon.2024.101975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/11/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is the most prevalent type of liver cancer, mainly occurring in Asian countries with an increased incidence rate globally. Currently, several kinds of therapies have been deployed for HCC therapy including surgical resection, chemotherapy, radiotherapy and immunotherapy. However, this tumor is still incurable, requiring novel strategies for its treatment. The nanomedicine has provided the new insights regarding the treatment of cancer that liposomes as lipid-based nanoparticles, have been widely applied in cancer therapy due to their biocompaitiblity, high drug loading and ease of synthesis and modification. The current review evaluates the application of liposomes for the HCC therapy. The drugs and genes lack targeting ability into tumor tissues and cells. Therefore, loading drugs or genes on liposomes can increase their accumulation in tumor site for HCC suppression. Moreover, the stimuli-responsive liposomes including pH-, redox- and light-sensitive liposomes are able to deliver drug into tumor microenvironment to improve therapeutic index. Since a number of receptors upregulate on HCC cells, the functionalization of liposomes with lactoferrin and peptides can promote the targeting ability towards HCC cells. Moreover, phototherapy can be induced by liposomes through loading phtoosensitizers to stimulate photothermal- and photodynamic-driven ablation of HCC cells. Overall, the findings are in line with the fact that liposomes are promising nanocarriers for the treatment of HCC.
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Affiliation(s)
- Seyedeh Setareh Samaei
- Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mahshid Daryab
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sarah Gholami
- Young Researcher and Elite Club, Babol Branch, Islamic Azad University, Babol, Iran
| | - Aryan Rezaee
- Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Navid Fatehi
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Romina Roshannia
- Faculty of Life Science and Bio-technology, Shahid Beheshti University, Tehran, Iran
| | - Saeed Hashemi
- Faculty of Veterinary Medicine, Department of Clinical Sciences, University of Shahrekord, Shahrekord, Iran
| | - Nazanin Javani
- Department of Food Science and Technology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Parham Rahmanian
- Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Reza Amani-Beni
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Arad Zandieh
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Noushin Nabavi
- Department of Urologic Sciences and Vancouver Prostate Centre, University of British Columbia, V6H3Z6, Vancouver, BC, Canada
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Neda Malgard
- Department of Internal medicine, Firoozgar Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
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2
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Temaj G, Chichiarelli S, Telkoparan-Akillilar P, Saha S, Nuhii N, Hadziselimovic R, Saso L. Advances in molecular function of UPF1 in Cancer. Arch Biochem Biophys 2024; 756:109989. [PMID: 38621446 DOI: 10.1016/j.abb.2024.109989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/23/2024] [Accepted: 04/10/2024] [Indexed: 04/17/2024]
Abstract
It is known that more than 10 % of genetic diseases are caused by a mutation in protein-coding mRNA (premature termination codon; PTC). mRNAs with an early stop codon are degraded by the cellular surveillance process known as nonsense-mediated mRNA decay (NMD), which prevents the synthesis of C-terminally truncated proteins. Up-frameshift-1 (UPF1) has been reported to be involved in the downregulation of various cancers, and low expression of UPF1 was shown to correlate with poor prognosis. It is known that UPF1 is a master regulator of nonsense-mediated mRNA decay (NMD). UPF1 may also function as an E3 ligase and degrade target proteins without using mRNA decay mechanisms. Increasing evidence indicates that UPF1 could serve as a good biomarker for cancer diagnosis and treatment for future therapeutic applications. Long non-coding RNAs (lncRNAs) have the ability to bind different proteins and regulate gene expression; this role in cancer cells has already been identified by different studies. This article provides an overview of the aberrant expression of UPF1, its functional properties, and molecular processes during cancer for clinical applications in cancer. We also discussed the interactions of lncRNA with UPF1 for cell growth during tumorigenesis.
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Affiliation(s)
- Gazmend Temaj
- Faculty of Pharmacy, College UBT, 10000, Prishtina, Republic of Kosovo.
| | - Silvia Chichiarelli
- Department of Biochemical Sciences "A. Rossi-Fanelli", Sapienza University of Rome, 00185, Rome, Italy.
| | | | - Sarmistha Saha
- Department of Biotechnology, Institute of Applied Sciences & Humanities, GLA University, Mathura, Uttar Pradesh, India.
| | - Nexhibe Nuhii
- Department of Pharmacy, Faculty of Medical Sciences, State University of Tetovo, 1200, Tetovo, Macedonia.
| | - Rifat Hadziselimovic
- Faculty of Science, University of Sarajevo, 71000, Sarajevo, Bosnia and Herzegovina.
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", La Sapienza University, 00185, Rome, Italy.
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3
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Wang Y, Liu J, Yao Q, Wang Y, Liu Z, Zhang L. LncRNA SNHG6 Promotes Wilms' Tumor Progression Through Regulating miR-429/FRS2 Axis. Cancer Biother Radiopharm 2024; 39:264-275. [PMID: 33481659 DOI: 10.1089/cbr.2020.3705] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Background: Long noncoding RNA (lncRNA) small nucleolar RNA host gene 6 (SNHG6) has been reported to be an oncogene in a variety of cancers. However, the role of SNHG6 and its associated mechanisms in Wilms' tumor progression remain largely unknown. Methods: The expression of SNHG6, microRNA-429 (miR-429), and FGF receptor substrates 2 (FRS2) messenger RNA (mRNA) was detected by quantitative real-time polymerase chain reaction. Cell proliferation was analyzed through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and plate colony assay. The apoptosis was assessed by flow cytometry. Cell glycolytic metabolism was analyzed through detecting the lactate dehydrogenase activity, glucose uptake, lactate production, and ATP level. The target relationship between miR-429 and SNHG6 or FRS2 was predicted by miRcode or Starbase and then validated by dual-luciferase reporter assay and RNA pull-down assay. Murine xenograft model was established to validate the function of SNHG6 in vivo. Results: The level of SNHG6 was elevated in Wilms' tumor tissues and cells, and SNHG6 played an oncogenic role to promote the proliferation and glycolysis and restrain the apoptosis of Wilms' tumor cells. MiR-429 was identified as a target of SNHG6, and miR-429 interference partly reversed the inhibitory effects induced by SNHG6 silencing on the malignant behaviors of Wilms' tumor cells. FRS2 mRNA bound to miR-429 in Wilms' tumor cells. SNHG6 upregulated the expression of FRS2 through acting as a sponge of miR-429. MiR-429-induced influences in Wilms' tumor cells were largely counteracted by the overexpression of FRS2. SNHG6 silencing suppressed the Wilms' tumor growth through miR-429/FRS2 axis in vivo. Conclusion: SNHG6 accelerated Wilms' tumor progression through regulating miR-429/FRS2 signaling in vitro and in vivo.
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Affiliation(s)
- Yingjie Wang
- Department of Pediatrics, The Second Hospital of Dalian Medical University, Dalian, China
| | - Junli Liu
- Department of Pediatrics, The Second Hospital of Dalian Medical University, Dalian, China
| | - Qiying Yao
- College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yuchuan Wang
- Department of Pediatrics, The Second Hospital of Dalian Medical University, Dalian, China
| | - Zhengjuan Liu
- Department of Pediatrics, The Second Hospital of Dalian Medical University, Dalian, China
| | - Li Zhang
- Department of Pediatrics, The Second Hospital of Dalian Medical University, Dalian, China
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4
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Singh AK. Rules and impacts of nonsense-mediated mRNA decay in the degradation of long noncoding RNAs. WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1853. [PMID: 38741356 DOI: 10.1002/wrna.1853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 05/16/2024]
Abstract
Nonsense-mediated mRNA decay (NMD) is a quality-control process that selectively degrades mRNAs having premature termination codon, upstream open reading frame, or unusually long 3'UTR. NMD detects such mRNAs and rapidly degrades them during initial rounds of translation in the eukaryotic cells. Since NMD is a translation-dependent cytoplasmic mRNA surveillance process, the noncoding RNAs were initially believed to be NMD-resistant. The sequence feature-based analysis has revealed that many putative long noncoding RNAs (lncRNAs) have short open reading frames, most of which have translation potential. Subsequent transcriptome-based molecular studies showed an association of a large set of such putative lncRNAs with translating ribosomes, and some of them produce stable and functionally active micropeptides. The translationally active lncRNAs typically have relatively longer and unprotected 3'UTR, which can induce their NMD-dependent degradation. This review defines the mechanism and regulation of NMD-dependent degradation of lncRNAs and its impact on biological processes related to the functions of lncRNAs or their encoded micropeptides. This article is categorized under: RNA Turnover and Surveillance > Turnover/Surveillance Mechanisms RNA Turnover and Surveillance > Regulation of RNA Stability RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Anand Kumar Singh
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Tirupati, Andhra Pradesh, India
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5
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Saeinasab M, Atlasi Y, M Matin M. Functional role of lncRNAs in gastrointestinal malignancies: the peculiar case of small nucleolar RNA host gene family. FEBS J 2024; 291:1353-1385. [PMID: 36282516 DOI: 10.1111/febs.16668] [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: 07/13/2022] [Revised: 09/18/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
Long noncoding RNAs (lncRNAs) play crucial roles in normal physiology and are often de-regulated in disease states such as cancer. Recently, a class of lncRNAs referred to as the small nucleolar RNA host gene (SNHG) family have emerged as important players in tumourigenesis. Here, we discuss new findings describing the role of SNHGs in gastrointestinal tumours and summarize the three main functions by which these lncRNAs promote carcinogenesis, namely: competing with endogenous RNAs, modulating protein function, and regulating epigenetic marking. Furthermore, we discuss how SNHGs participate in different hallmarks of cancer, and how this class of lncRNAs may serve as potential biomarkers in cancer diagnosis and therapy.
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Affiliation(s)
- Morvarid Saeinasab
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Iran
| | - Yaser Atlasi
- Patrick G. Johnston Centre for Cancer Research, Queen's University Belfast, UK
| | - Maryam M Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Iran
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6
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Huang M, Zhao Z, Yang L. Long noncoding RNA small nucleolar RNA host genes as prognostic molecular biomarkers in hepatocellular carcinoma: A meta-analysis. Cancer Med 2024; 13:e7200. [PMID: 38634194 PMCID: PMC11024508 DOI: 10.1002/cam4.7200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 02/20/2024] [Accepted: 04/06/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Recently, increasing data have suggested that the lncRNA small nucleolar RNA host genes (SNHGs) were aberrantly expressed in hepatocellular carcinoma (HCC), but the association between the prognosis of HCC and their expression remained unclear. The purpose of this meta-analysis was to determine the prognostic significance of lncRNA SNHGs in HCC. METHODS We systematically searched Embase, Web of Science, PubMed, and Cochrane Library for eligible articles published up to February 2024. The prognostic significance of SNHGs in HCC was evaluated by hazard ratios (HRs) and 95% confidence intervals (CIs). Odds ratios (ORs) were used to assess the clinicopathological features of SNHGs. RESULTS This analysis comprised a total of 25 studies covering 2314 patients with HCC. The findings demonstrated that over-expressed SNHGs were associated with larger tumor size, multiple tumor numbers, poor histologic grade, earlier lymphatic metastasis, vein invasion, advanced tumor stage, portal vein tumor thrombosis (PVTT), and higher alpha-fetoprotein (AFP) level, but not with hepatitis B virus (HBV) infection, and cirrhosis. In terms of prognosis, patients with higher SNHG expression were more likely to have shorter overall survival (OS), relapse-free survival (RFS), and disease-free survival (DFS). CONCLUSIONS In conclusion, upregulation of SNHGs expression correlates with shorter OS, RFS, DFS, tumor size and numbers, histologic grade, lymphatic metastasis, vein invasion, tumor stage, PVTT, and AFP level, suggesting that SNHGs may serve as prognostic biomarkers in HCC.
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Affiliation(s)
- Meng Huang
- Medical Center for Digestive DiseaseThe Second Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu ProvinceChina
| | - Zhiwen Zhao
- Medical Center for Digestive DiseaseThe Second Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu ProvinceChina
| | - Lihua Yang
- Medical Center for Digestive DiseaseThe Second Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu ProvinceChina
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Liu X, Zhang Y, Liu Z, Gao Y, Yuan L, Zeng D, Tan F, Wan H, Pei Z. METTL3 as a novel diagnosis and treatment biomarker and its association with glycolysis, cuproptosis and ceRNA in oesophageal carcinoma. J Cell Mol Med 2024; 28:e18195. [PMID: 38429907 PMCID: PMC10907846 DOI: 10.1111/jcmm.18195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/22/2023] [Accepted: 02/09/2024] [Indexed: 03/03/2024] Open
Abstract
METTL3 has been shown to be involved in regulating a variety of biological processes. However, the relationship between METTL3 expression and glycolysis, cuproptosis-related genes and the ceRNA network in oesophageal carcinoma (ESCA) remains unclear. ESCA expression profiles from databases were obtained, and target genes were identified using differential analysis and visualization. Immunohistochemistry (IHC) staining assessed METTL3 expression differences. Functional enrichment analysis using GO, KEGG and GSEA was conducted on the co-expression profile of METTL3. Cell experiments were performed to assess the effect of METTL3 interference on tumour cells. Correlation and differential analyses were carried out to assess the relationship between METTL3 with glycolysis and cuproptosis. qRT-PCR was used to validate the effects of METTL3 interference on glycolysis-related genes. Online tools were utilized to screen and construct ceRNA networks based on the ceRNA theory. METTL3 expression was significantly higher in ESCA compared to the controls. The IHC results were consistent with the above results. Enrichment analysis revealed that METTL3 is involved in multiple pathways associated with tumour development. Significant correlations were observed between METTL3 and glycolysis-related genes and cuproptosis-related gene. Experiments confirmed that interfered with METTL3 significantly inhibited glucose uptake and lactate production in tumour cells, and affected the expression of glycolytic-related genes. Finally, two potential ceRNA networks were successfully predicted and constructed. Our study establishes the association between METTL3 overexpression and ESCA progression. Additionally, we propose potential links between METTL3 and glycolysis, cuproptosis and ceRNA, presenting a novel targeted therapy strategy for ESCA.
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Affiliation(s)
- Xu‐Sheng Liu
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem CellsTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Yu Zhang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Zi‐Yue Liu
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Yan Gao
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Ling‐Ling Yuan
- Department of PathologyTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Dao‐Bing Zeng
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Fan Tan
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Hua‐Bing Wan
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
| | - Zhi‐Jun Pei
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for precision Diagnosis and Treatment of liver cancerTaihe Hospital, Hubei University of MedicineShiyanChina
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem CellsTaihe Hospital, Hubei University of MedicineShiyanChina
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8
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Li SN, Li MX, Guo WW, Zhang LR, Ding YH, Wu XJ. LINC02561 promotes metastasis in HCC via HIF1-α/NDRG1/UPF1 axis. Gene 2024; 896:148033. [PMID: 38013127 DOI: 10.1016/j.gene.2023.148033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/14/2023] [Accepted: 11/23/2023] [Indexed: 11/29/2023]
Abstract
In the entire world, hepatocellular carcinoma (HCC) is one of the most frequent cancers that lead to death. Experiments on the function of long non-coding RNAs in the emergence of malignancies, including HCC, are ongoing. As a crucial RNA monitoring mechanism in eucaryotic cells, nonsense-mediated mRNA decay (NMD) can recognize and destroy mRNAs, which has an premature termination codons (PTC) in the open reading frame to prevent harmful buildup of truncated protein products in the cells. Nonsense transcript regulator 1 (Up-frameshift suppressor 1, UPF1), as a highly conserved RNA helicase and ATPase, plays a key role in NMD. Our laboratory screened out the highly expressed lncRNA LINC02561 in HCC from the TCGA database. Further research found that LINC02561 enhanced the invasion and transition abilities of liver cancer cells by regulating the protein N-Myc downstream regulated 1 (NDRG1). Hypoxia inducible factor-1 (HIF-1α) can bonded to LINC02561 promoters under hypoxic conditions, thereby promoting the upregulation of LINC02561 expression in liver cancer cells. LINC02561 competes with NDRG1 mRNA to bind UPF1, thereby preventing the degradation of NDRG1 mRNA to facilitate NDRG1 protein level. Taken together, the HIF1α-LINC02561-UPF1-NDRG1 regulatory axis could be an entirely novel target of liver cancer-related treatment.
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Affiliation(s)
- Sheng-Nan Li
- China University of Mining and Technology, China
| | - Mei-Xiang Li
- China University of Mining and Technology, China
| | - Wen-Wen Guo
- The Affiliated Hospital of China University of Mining and Technology, Department of Radiation Oncology, Xuzhou Municipal First People's Hospital, Xuzhou 221002, China
| | | | - Yun-He Ding
- The Affiliated Hospital of China University of Mining and Technology, Department of Radiation Oncology, Xuzhou Municipal First People's Hospital, Xuzhou 221002, China
| | - Xiao-Jin Wu
- The Affiliated Hospital of China University of Mining and Technology, Department of Radiation Oncology, Xuzhou Municipal First People's Hospital, Xuzhou 221002, China.
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9
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Xu Y, Liu X, Cao J, Wu Y, Jiang Q, Luo B. Rho GTPase-activating protein 1 promotes hepatocellular carcinoma progression via modulation by CircPIP5K1A/MiR-101-3p. Hepatol Res 2024; 54:174-188. [PMID: 37792600 DOI: 10.1111/hepr.13972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 09/04/2023] [Accepted: 09/25/2023] [Indexed: 10/06/2023]
Abstract
AIM There has been an increased focus on regulating cell function with Rho family GTPases, including proliferation, migration/invasion, polarity, and adhesion. Due to the challenges involved in targeting Rho family GTPases directly, it may be more effective to target their regulators, such as Rho GTPase-activating protein 1 (ARHGAP1). This present research was performed to define the clinical significance of ARHGAP1 expression, as well as its regulatory mechanisms in hepatocellular carcinoma. METHODS ARHGAP1 and miR-101-3p expression of liver cancer patients, and their relevance with clinicopathological characteristics and prognosis were analyzed by the Cancer Genome Atlas sequencing data, and verified using samples of hepatocellular carcinoma patients. The interactions between miR-101-3p and ARHGAP1 or circPIP5K1A were validated by bioinformatic analyses, as well as confirmed by quantitative reverse transcription polymerase chain reaction, western blotting, and dual-luciferase reporter analysis. Plate clonality assays, cell adhesion and migration experiments, and proliferation experiments were used for assessing the participation of the circPIP5K1A/miR-101-3p/ARHGAP1 pathway in cell proliferation and motility. RESULTS Elevated ARHGAP1 and reduced miR-101-3p expression are related to poorer survival. MiR-101-3p targets ARHGAP1 to suppress hepatocellular carcinoma cell colony formation and invasion, whereas miR-101-3p inhibitor reverses liver cancer proliferation and metastasis suppression caused by ARHGAP1 knockdown. In addition, circPIP5K1A, which is mainly distributed in the cytosol, showed carcinogenic effects by sponging miR-101-3p, thus regulating ARHGAP1 expression. CONCLUSIONS ARHGAP1 serves as an oncogenic gene in liver cancer, and the expression thereof is regulated by circPIP5K1A through sponging miR-101-3p.
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Affiliation(s)
- Yanni Xu
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Xiaodi Liu
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Ultrasound Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jincheng Cao
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Ye Wu
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Qiongchao Jiang
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Baoming Luo
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
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10
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Shah M, Sarkar D. HCC-Related lncRNAs: Roles and Mechanisms. Int J Mol Sci 2024; 25:597. [PMID: 38203767 PMCID: PMC10779127 DOI: 10.3390/ijms25010597] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Hepatocellular carcinoma (HCC) presents a significant global health threat, particularly in regions endemic to hepatitis B and C viruses, and because of the ongoing pandemic of obesity causing metabolic-dysfunction-related fatty liver disease (MAFLD), a precursor to HCC. The molecular intricacies of HCC, genetic and epigenetic alterations, and dysregulated signaling pathways facilitate personalized treatment strategies based on molecular profiling. Epigenetic regulation, encompassing DNA methyltion, histone modifications, and noncoding RNAs, functions as a critical layer influencing HCC development. Long noncoding RNAs (lncRNAs) are spotlighted for their diverse roles in gene regulation and their potential as diagnostic and therapeutic tools in cancer. In this review, we explore the pivotal role of lncRNAs in HCC, including MAFLD and viral hepatitis, the most prevalent risk factors for hepatocarcinogenesis. The dysregulation of lncRNAs is implicated in HCC progression by modulating chromatin regulation and transcription, sponging miRNAs, and influencing structural functions. The ongoing studies on lncRNAs contribute to a deeper comprehension of HCC pathogenesis and offer promising routes for precision medicine, highlighting the utility of lncRNAs as early biomarkers, prognostic indicators, and therapeutic targets.
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Affiliation(s)
- Mimansha Shah
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23298, USA;
| | - Devanand Sarkar
- Department of Human and Molecular Genetics, Massey Comprehensive Cancer Center, and VCU Institute of Molecular Medicine (VIMM), Virginia Commonwealth University, Richmond, VA 23298, USA
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11
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Shaemi F, Nejati M, Sarrafnia H, Mahabady MK, Tamtaji Z, Taheri AT, Hamblin MR, Zolfaghari MR, Heydari A, Mirzaei H. Expression of selected long non-coding RNAs in gastric cancer cells treated with coumarin: Possible mechanisms for anti-cancer activity. Pathol Res Pract 2023; 252:154914. [PMID: 37992506 DOI: 10.1016/j.prp.2023.154914] [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: 08/10/2023] [Revised: 10/26/2023] [Accepted: 10/26/2023] [Indexed: 11/24/2023]
Abstract
Long non-coding RNAs (lncRNAs) can be utilized as prognostic indicators of gastric cancer since they can affect several cancer-related processes. Coumarin is a natural product with some useful anti-cancer properties. Here, we measured the expression of selected lncRNAs (RuPAR, SNHG6, CASC11, and their targets, miR-340-5p, p21, E-cadherin, and CDK1) in AGS gastric cancer cells treated with coumarin. MTT test has been utilized for assessing the AGS cells' cell viability after exposure to coumarin. The expression of the lncRNAs (RuPAR, SNHG6, and CASC11) and miR-340-5p was evaluated via qRT-PCR. Western blot analysis has been utilized to determine changes in p21, E-cadherin, and CDK1 expression. Coumarin decreased AGS viability in a dose-dependent manner. The coumarin treated cells had lower levels of the mRNAs known to be targets of lncRNAs SNHG6 and CASC11 compared to control. Additionally, the coumarin group had increased levels of lncRNA RuPAR expression when compared with the control group. Some lncRNA targets, including p21, E-cadherin, and CDK1, showed lower expression in the coumarin group compared to the control by Western blotting. Coumarin could be a promising pharmacological candidate to be included in gastric cancer treatment regimens because it modulates lncRNAs and their targets.
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Affiliation(s)
- Fatemeh Shaemi
- Department of Genetics, Faculty of Basic Science, Qom Branch, Islamic Azad University, Qom, Iran
| | - Majid Nejati
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Haleh Sarrafnia
- Faculty of Biological Sciences, Islamic Azad University, Tehran-North Branch, Tehran, Iran
| | - Mahmood Khaksary Mahabady
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Zeinab Tamtaji
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Abdolkarim Talebi Taheri
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Mohammad Reza Zolfaghari
- Department of Microbiology, Faculty of Basic Science, Qom Branch, Islamic Azad University, Qom, Iran.
| | - Azhdar Heydari
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran; Department of Physiology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran; Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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12
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Li J, Shen J, Zhao Y, Du F, Li M, Wu X, Chen Y, Wang S, Xiao Z, Wu Z. Role of miR‑181a‑5p in cancer (Review). Int J Oncol 2023; 63:108. [PMID: 37539738 PMCID: PMC10552769 DOI: 10.3892/ijo.2023.5556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/13/2023] [Indexed: 08/05/2023] Open
Abstract
MicroRNAs (miRNAs) are non‑coding RNAs (ncRNAs) that can post‑transcriptionally suppress targeted genes. Dysregulated miRNAs are associated with a variety of diseases. MiR‑181a‑5p is a conserved miRNA with the ability to regulate pathological processes, such as angiogenesis, inflammatory response and obesity. Numerous studies have demonstrated that miR‑181a‑5p exerts regulatory influence on cancer development and progression, acting as an oncomiR or tumor inhibitor in various cancer types by impacting multiple hallmarks of tumor. Generally, miR‑181a‑5p binds to target RNA sequences with partial complementarity, resulting in suppression of the targeted genes of miR‑181a‑5p. However, the precise role of miR‑181a‑5p in cancer remains incompletely understood. The present review aims to provide a comprehensive summary of recent research on miR‑181a‑5p, focusing on its involvement in different types of cancer and its potential as a diagnostic and prognostic biomarker, as well as its function in chemoresistance.
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Affiliation(s)
- Junxin Li
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Jing Shen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Yueshui Zhao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Fukuan Du
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Mingxing Li
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Xu Wu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Yu Chen
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Shurong Wang
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University
| | - Zhangang Xiao
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Zhigui Wu
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University
- South Sichuan Institute of Translational Medicine
- Laboratory of Personalised Cell Therapy and Cell Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
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13
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Cao T, Zhang S, Chen Q, Zeng C, Wang L, Jiao S, Chen H, Zhang B, Cai H. Long non-coding RNAs in schizophrenia: Genetic variations, treatment markers and potential targeted signaling pathways. Schizophr Res 2023; 260:12-22. [PMID: 37543007 DOI: 10.1016/j.schres.2023.07.027] [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: 04/29/2022] [Revised: 05/19/2023] [Accepted: 07/23/2023] [Indexed: 08/07/2023]
Abstract
Schizophrenia (SZ), a complex and debilitating spectrum of psychiatric disorders, is now mainly attributed to multifactorial etiology that includes genetic and environmental factors. Long non-coding RNAs (lncRNAs) are gaining popularity as a way to better understand the comprehensive mechanisms beneath the clinical manifestation of SZ. Only in recent years has it been elucidated that mammalian genomes encode thousands of lncRNAs. Strikingly, roughly 30-40% of these lncRNAs are extensively expressed in different regions across the brain, which may be closely associated with SZ. The therapeutic and adverse effects of atypical antipsychotic drugs (AAPDs) are partially reflected by their role in the regulation of lncRNAs. This begs the question directly, do any lncRNAs exist as biomarkers for AAPDs treatment? Furthermore, we comprehend a range of mechanistic investigations that have revealed the regulatory roles for lncRNAs both involved in the brain and the periphery of SZ. More crucially, we also combine insights from a variety of signaling pathways to argue that lncRNAs probably play critical roles in SZ via their interactive downstream factors. This review provides a thorough understanding regarding dysregulation of lncRNAs, corresponding genetic alternations, as well as their potential regulatory roles in the pathology of SZ, which might help reveal useful therapeutic targets in SZ.
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Affiliation(s)
- Ting Cao
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - ShuangYang Zhang
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qian Chen
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - CuiRong Zeng
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - LiWei Wang
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - ShiMeng Jiao
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Chen
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - BiKui Zhang
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - HuaLin Cai
- Department of Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Institute of Clinical Pharmacy, Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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14
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Khan K, Irfan M, Sattar AA, Faiz MB, Rahman AU, Athar H, Calina D, Sharifi-Rad J, Cho WC. LncRNA SNHG6 role in clinicopathological parameters in cancers. Eur J Med Res 2023; 28:363. [PMID: 37735423 PMCID: PMC10515066 DOI: 10.1186/s40001-023-01358-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 09/10/2023] [Indexed: 09/23/2023] Open
Abstract
RNA sequencing has revealed that a substantial portion of the human genome undergoes transcription, yet a minimal fraction of these transcripts translates into proteins. LncRNAs, RNA molecules less than 200 nt in length, once deemed as transcriptional noise, have now emerged as crucial regulators of numerous cellular processes. This review focuses on the lncRNA SNHG6, aiming to elucidate its biogenesis, the pivotal roles it plays, and its mechanisms in facilitating the hallmarks of cancer. A comprehensive literature review and analysis were undertaken to delve into the biogenesis of SNHG6, its roles in cellular processes, and the mechanisms through which it contributes to the hallmarks of cancer. SNHG6 is a notable lncRNA, observed to be overexpressed in various cancer types; its perturbation has been linked to tumor progression, emphasizing its significance in oncogenesis. This lncRNA contributes to a range of cellular aberrations, influencing transcriptional, post-transcriptional, and epigenetic processes of mRNA, ultimately driving cancerous transformations. LncRNA SNHG6 serves as a potential biomarker and therapeutic target due to its association with tumorigenesis. Understanding its mechanism and role in cancer can pave the way for novel diagnostic and therapeutic strategies.
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Affiliation(s)
- Khushbukhat Khan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Muhammad Irfan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Areej Abdul Sattar
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Manal Bint Faiz
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Anees ur Rahman
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Hafsa Athar
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, 44000 Pakistan
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | | | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong
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15
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Huldani H, Gandla K, Asiri M, Romero-Parra RM, Alsalamy A, Hjazi A, Najm MAA, Fawaz A, Hussien BM, Singh R. A comprehensive insight into the role of small nucleolar RNAs (snoRNAs) and SNHGs in human cancers. Pathol Res Pract 2023; 249:154679. [PMID: 37567032 DOI: 10.1016/j.prp.2023.154679] [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: 05/26/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 08/13/2023]
Abstract
Long non-coding RNAs (lncRNAs), which comprise most non-coding RNAs (ncRNAs), have recently become a focus of cancer research. How many functional ncRNAs exist is still a matter of debate. Although insufficient evidence supports that most lncRNAs function as transcriptional by-products, it is widely known that an increasing number of lncRNAs play essential roles in cells. Small nucleolar RNAs (snoRNAs), 60-300 nucleotides in length, have been better studied than long non-coding RNAs (lncRNAs) and are predominantly present in the nucleolus. Most snoRNAs are encoded in introns of protein- and non-protein-coding genes called small nucleolar RNA host genes (SNHGs). In this article, we explore the biology and characteristics of SNHGs and their role in developing human malignancies. In addition, we provide an update on the ability of these snoRNAs to serve as prognostic and diagnostic variables in various forms of cancer.
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Affiliation(s)
- Huldani Huldani
- Department of Physiology, Faculty of Medicine, Lambung Mangkurat University, Banjarmasin, South Kalimantan, Indonesia
| | - Kumaraswamy Gandla
- Department of Pharmaceutical Analysis, Chaitanya Deemed to be University, Hanamkonda, India.
| | - Mohammed Asiri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | | | - Ali Alsalamy
- College of Medical Technology, Imam Ja'afar Al-Sadiq University, Al-Muthanna 66002, Iraq
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mazin A A Najm
- Pharmaceutical Chemistry Department, College of Pharmacy, Al-Ayen University, Thi-Qar, Iraq
| | - Albab Fawaz
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
| | - Beneen M Hussien
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Rajesh Singh
- Uttaranchal Institute of Technology, Uttaranchal University, Dehradun 248007, India
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Li R, Xu H, Gao X. The ceRNA network regulates epithelial-mesenchymal transition in colorectal cancer. Heliyon 2023; 9:e14143. [PMID: 36950593 PMCID: PMC10025087 DOI: 10.1016/j.heliyon.2023.e14143] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a biological process that transforms epithelial cells into a mesenchymal phenotype, conferring cell migration and invasion capabilities. EMT is involved in the progression and metastasis of colorectal cancer (CRC). Recently, emerging evidence has shown dysregulation of non-coding RNA (ncRNA) was linked to EMT. ncRNAs, including long non-coding RNA (lncRNA), regulate the transcription of downstream target genes (mRNA) through interaction with microRNAs (miRNAs); these are termed competitive endogenous RNA (ceRNA) networks. CeRNA dysregulation-induced EMT, which is linked to the progression and prognosis of CRC, has attracted wide attention. However, understanding the role of the regulation of the ceRNA network in the EMT of CRC remains limited. We discuss the molecular functions of lncRNA, the ceRNA networks related to miRNAs and mRNAs in EMT, as well as EMT transcription factors, such as the zinc finger E-box binding homeobox 1/2 (ZEB1/2), SNAIL, SLUG, and TWIST1/2. In addition, miRNAs and lncRNAs that directly target genes, thereby initiating different signaling pathways to promote EMT in CRC, were summarized. Clarifying the role of these molecules in EMT is critical for understanding molecular mechanisms and exploring the potential therapeutic targets of CRC.
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Affiliation(s)
- Ruina Li
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou 730000, China
| | - Hui Xu
- The Center of Clinical Laboratory, Hainan General Hospital, Haikou 570100, China
| | - Xiaoling Gao
- The Center of Clinical Laboratory, Hainan General Hospital, Haikou 570100, China
- Corresponding author.
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17
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Staszewski J, Lazarewicz N, Konczak J, Migdal I, Maciaszczyk-Dziubinska E. UPF1-From mRNA Degradation to Human Disorders. Cells 2023; 12:cells12030419. [PMID: 36766761 PMCID: PMC9914065 DOI: 10.3390/cells12030419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/07/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Up-frameshift protein 1 (UPF1) plays the role of a vital controller for transcripts, ready to react in the event of an incorrect translation mechanism. It is well known as one of the key elements involved in mRNA decay pathways and participates in transcript and protein quality control in several different aspects. Firstly, UPF1 specifically degrades premature termination codon (PTC)-containing products in a nonsense-mediated mRNA decay (NMD)-coupled manner. Additionally, UPF1 can potentially act as an E3 ligase and degrade target proteins independently from mRNA decay pathways. Thus, UPF1 protects cells against the accumulation of misfolded polypeptides. However, this multitasking protein may still hide many of its functions and abilities. In this article, we summarize important discoveries in the context of UPF1, its involvement in various cellular pathways, as well as its structural importance and mutational changes related to the emergence of various pathologies and disease states. Even though the state of knowledge about this protein has significantly increased over the years, there are still many intriguing aspects that remain unresolved.
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Affiliation(s)
- Jacek Staszewski
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
- Correspondence: (J.S.); (E.M.-D.)
| | - Natalia Lazarewicz
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
- Institute of Genetics and Development of Rennes, CNRS UMR 6290, University of Rennes 1, 35000 Rennes, France
| | - Julia Konczak
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
| | - Iwona Migdal
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
| | - Ewa Maciaszczyk-Dziubinska
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328 Wroclaw, Poland
- Correspondence: (J.S.); (E.M.-D.)
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18
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Zou Q, Du X, Zhou L, Yao D, Dong Y, Jin J. A short peptide encoded by long non-coding RNA small nucleolar RNA host gene 6 promotes cell migration and epithelial-mesenchymal transition by activating transforming growth factor-beta/SMAD signaling pathway in human endometrial cells. J Obstet Gynaecol Res 2023; 49:232-242. [PMID: 36396030 DOI: 10.1111/jog.15476] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 09/08/2022] [Accepted: 10/12/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Endometrial dysfunction is closely correlated with the development of multiple severe gynecological disorders including intrauterine adhesion. Accumulating evidence supports that some long non-coding RNAs (lncRNAs) have peptide-coding potential. In this text, the peptide-coding ability of lncRNA SNHG6 was examined. Also, the effects of an SNHG6-encoded peptide on the viability and migration of human endometrial stromal cells (hESCs) and human endometrial epithelial cells (hEECs) and related molecular mechanisms were explored. METHODS The peptide-encoding potential of SNHG6 was predicted by FuncPEP and getorf databases and validated by western blot assay. Cell viability was tested by cell counting kit-8 assay. Cell migratory ability was examined by wound healing and transwell migration assays. Protein levels of genes were measured by western blot assay. RESULTS Prediction analysis suggested that SNHG6 had the potential peptide-coding ability and multiple open-reading frames (ORFs). Western blot validated that SNHG6 ORF#1 and ORF#2 could translate into short peptides. SNHG6 ORF#2 overexpression facilitated cell migration and epithelial-mesenchymal transition (EMT) in hESCs and hEECs, while these effects were abrogated by transforming growth factor-beta (TGF-β)/SMAD signaling inhibitor GW788388. Moreover, GW788388 inhibited the increase of p-SMAD2 and p-SMAD3 levels induced by SNHG6 ORF#2 in hESCs. SNHG6 ORF#2-encoded peptide did not influence endometrial stromal and epithelial cell viability. CONCLUSIONS LncRNA SNHG6 ORF#1 and ORF#2 could translate into small peptides and SNHG6 ORF#2 overexpression promoted cell migration and EMT by activating the TGF-β/SMAD pathway in hESCs and hEECs, suggesting the potential roles of SNHG6-encoded peptides in the development of endometrial stromal and epithelial cells and related gynecological diseases.
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Affiliation(s)
- Qian Zou
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
| | - Xin Du
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
| | - Limin Zhou
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
| | - Dongmei Yao
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
| | - Yi Dong
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
| | - Jing Jin
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, PR China
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Chen K, Wang X, Wei B, Sun R, Wu C, Yang HJ. LncRNA SNHG6 promotes glycolysis reprogramming in hepatocellular carcinoma by stabilizing the BOP1 protein. Anim Cells Syst (Seoul) 2022; 26:369-379. [PMID: 36605586 PMCID: PMC9809352 DOI: 10.1080/19768354.2022.2134206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Metabolic reprogramming is an important feature in tumor progression. Long noncoding RNA's (lncRNA) small nucleolar RNA host gene 6 (SNHG6) acts as a proto-oncogene in hepatocellular carcinoma (HCC) but its role in glycolysis is mostly unknown. The role of SNHG6 and Block of proliferation 1 (BOP1) on glycolysis is assessed by glucose uptake, lactate production, oxygen consumptive rate (OCR) and extracellular acidification rate (ECAR) and glycolytic enzyme levels. The regulatory effect of SNHG6 on BOP1 protein was confirmed by Western blotting, MS2 pull-down, RNA pull-down, and RIP assay. SNHG6 and BOP1 levels were increased in HCC tissues and cells. SNHG6 and BOP1 were prognostic factors in HCC patients and significantly correlated to TP53 mutant and tumor grade. SNHG6 promoted proliferation, inhibited apoptosis, enhanced glucose uptake and lactate production, decreased OCR, and increased ECAR in HCC cell lines. SNHG6 could bind the BOP1 protein and enhance its stability. BOP1 overexpression rescued the change of proliferation, apoptosis, and glycolysis in HCCLM3 and SMMC-7721 cells. Our data indicate that SNHG6 accelerates proliferation and glycolysis and inhibits the apoptosis of HCC cell lines by binding the BOP1 protein and enhancing its stability. Both SNHG6 and BOP1 are promising prognostic and therapeutic markers in HCC.
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Affiliation(s)
- Kai Chen
- Organ Transplant Center and Third Department of Hepatobiliary and Pancreatic Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, People’s Republic of China
| | - Xi Wang
- Organ Transplant Center and Third Department of Hepatobiliary and Pancreatic Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, People’s Republic of China
| | - Bowen Wei
- Clinical College, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
| | - Rongcun Sun
- Clinical College, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
| | - Chunlin Wu
- Clinical College, Southwest Medical University, Luzhou, People’s Republic of China
| | - Hong-ji Yang
- Organ Transplant Center and Third Department of Hepatobiliary and Pancreatic Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, People’s Republic of China, Hong-ji Yang Organ Transplant Center and Third Department of Hepatobiliary and Pancreatic Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, No. 32 West Second Section, First Ring Road, Chengdu, Sichuan610072, People’s Republic of China
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20
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Yang X, Wu P, Wang Z, Su X, Wu Z, Ma X, Wu F, Zhang D. Constructed the ceRNA network and predicted a FEZF1-AS1/miR-92b-3p/ZIC5 axis in colon cancer. Mol Cell Biochem 2022; 478:1083-1097. [PMID: 36219353 DOI: 10.1007/s11010-022-04578-y] [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: 07/16/2022] [Accepted: 09/26/2022] [Indexed: 10/17/2022]
Abstract
The purpose of this study was to identify the role of FEZF1-AS1 in colon cancer and predicted the underlying mechanism. We extracted sequencing data of colon cancer patients from The Cancer Genome Atlas database, identified the differential expression of long noncoding RNA, microRNA, and messenger RNA, constructed a competitive endogenous RNA network, and then analyzed prognosis. Then, we used the enrichment analysis databases for functional analysis. Finally, we studied the FEZF1-AS1/miR-92b-3p/ZIC5 axis. We detected the expression of FEZF1-AS1, miR-92b-3p, and ZIC5 via quantitative reverse transcription-PCR, transfected colon cancer cell RKO with lentivirus and conducted FEZF1-AS1 knockdown, and performed cancer-related functional assays. It indicated that many RNA in the competitive endogenous RNA network, such as ZIC5, were predicted to be related to overall survival of colon cancer patients, and enrichment analysis showed cancer-related signaling pathways, such as PI3K/AKT signaling pathway. The expression of FEZF1-AS1 and ZIC5 was significantly higher and that of miR-92b-3p was lower in the colon cancer than in the normal colon tissues. FEZF1-AS1 promoted the migration, proliferation, as well as invasion of RKO. According to the prediction, FEZF1-AS1 and ZIC5 might competitively bind to miR-92b-3p, leading to the weakening of the inhibitory impact of miR-92b-3p on ZIC5 and increasing expression of ZIC5, thus further activating the PI3K/AKT signaling pathway, which led to the occurrence and development of colon cancer. The study suggested that FEZF1-AS1 might be an effective diagnosis biomarker for colon cancer.
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Affiliation(s)
- Xiaoping Yang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Pingfan Wu
- Department of Pathology, The 940th Hospital of the Joint Logistic Support of the People's Liberation Army, Lanzhou, 730050, China
| | - Zirui Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Xiaolu Su
- Department of Pathology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Zhiping Wu
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Xueni Ma
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, 730030, China
| | - Fanqi Wu
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.,Department of Respiratory, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Dekui Zhang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China. .,Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, 730030, China.
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Xie Q, Zhang D, Ye H, Wu Z, Sun Y, Shen H. Identification of key snoRNAs serves as biomarkers for hepatocellular carcinoma by bioinformatics methods. Medicine (Baltimore) 2022; 101:e30813. [PMID: 36181013 PMCID: PMC9524901 DOI: 10.1097/md.0000000000030813] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a common malignancy with high mortality and poor prognosis due to a lack of predictive markers. However, research on small nuclear RNAs (snoRNAs) in HCC were very little. This study aimed to identify a potential diagnostic and prognostic snoRNA signature for HCC. METHODS HCC datasets from the cancer genome atlas (TCGA) and international cancer genome consortium (ICGC) cohorts were used. Differentially expressed snoRNA (DEs) were identified using the limma package. Based on the DEs, diagnostic and prognostic models were established by the least absolute shrinkage and selection operator (LASSO) regression and COX analysis, and Kaplan-Meier (K-M) survival analysis and receiver operating characteristic (ROC) curve analysis were conducted to evaluate the efficiency of signatures. Gene set enrichment analysis (GSEA) and gene set variation analysis (GSVA) were used to analyze the risk score and further explore the potential correlation between the risk groups and tumor immune status in TCGA. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to determine the functions of key snoRNAs. RESULTS We constructed a 6-snoRNAs signature which could classify patients into high- or low-risk groups and found that patients in the high-risk group had a worse prognosis than those in the low-risk group and were significantly involved in p53 processes. Tumor immune status analysis revealed that CTLA4 and PDCD1 (PD1) were highly expressed in the high-risk group, which responded to PD1 inhibitor therapy. Additionally, a 25-snoRNAs diagnostic signature was constructed with an area under the curve (AUC) of 0.933 for distinguishing HCCs from normal controls. Finally, 3 key snoRNAs (SNORA11, SNORD124, and SNORD46) were identified with both diagnostic and prognostic efficacy, some of which were closely related to the spliceosome and Notch signaling pathways. CONCLUSIONS Our study identified 6 snoRNAs that may serve as novel prognostic models and 3 key snoRNAs with both diagnostic and prognostic efficacy for HCC.
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Affiliation(s)
- Qingqing Xie
- Department of Clinical Laboratory, Third Affiliated Hospital of Guangxi University of Chinese Medicine, Liuzhou, Guangxi, China
| | - Di Zhang
- Department of Clinical Laboratory, The Third Xiangya Hospital of Central South University, Hunan, China
| | - Huifeng Ye
- Department of Clinical Laboratory, Eighth Affiliated Hospital of Guangxi Medical University, Guigang City People’s Hospital, Guigang, Guangxi, China
| | - Zhitong Wu
- Department of Clinical Laboratory, Eighth Affiliated Hospital of Guangxi Medical University, Guigang City People’s Hospital, Guigang, Guangxi, China
| | - Yifan Sun
- Department of Clinical Laboratory, Eighth Affiliated Hospital of Guangxi Medical University, Guigang City People’s Hospital, Guigang, Guangxi, China
| | - Haoming Shen
- Department of Clinical Laboratory, Hunan Cancer Hospital & The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Hunan, China
- *Correspondence: Haoming Shen, Department of Clinical Laboratory, Hunan Cancer Hospital & The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Xianjia Lake Street 410031, Changsha, Hunan, China (e-mail: )
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22
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Yang X, Yu Y, Wang Z, Wu P, Su X, Wu Z, Gan J, Zhang D. NOX4 has the potential to be a biomarker associated with colon cancer ferroptosis and immune infiltration based on bioinformatics analysis. Front Oncol 2022; 12:968043. [PMID: 36249057 PMCID: PMC9554470 DOI: 10.3389/fonc.2022.968043] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 09/07/2022] [Indexed: 11/20/2022] Open
Abstract
Background Colon cancer (CC) is a common tumor, but its pathogenesis is still not well understood. Competitive endogenous RNA (ceRNA) theory, ferroptosis and tumor immune infiltration may be the mechanisms of the development of cancer. The purpose of the study is to seek genes connected with both immunity and ferroptosis, and provide important molecular basis for early noninvasive diagnosis and immunotherapy of CC. Methods We extracted messenger RNA (mRNA), microRNA (miRNA), and long noncoding RNA (lncRNA) data of CC from The Cancer Genome Atlas database (TCGA), identified the differentially expressed mRNA (DEmRNA), miRNA (DEmiRNA) and lncRNA (DElncRNA), then constructed a ceRNA network. Venn overlap analysis was used to identify genes associated with immunity and ferroptosis in ceRNA network. The expression and prognosis of target genes were analyzed via Gene Expression Profiling Interactive Analysis (GEPIA) and PrognoScan database, and we analysed the related functions and signaling pathways of target genes by enrichment analysis. The correlation between target genes and tumor immune infiltrating was explored by CIBERSORT and spearman correlation analysis. Finally, the expression of target genes was detected via quantitative reverse transcription-PCR (qRT-PCR) in CC and normal colon tissues. Results Results showed that there were 4 DElncRNA, 4 DEmiRNA and 126 DEmRNA in ceRNA network. NADPH oxidase 4 protein (NOX4) was a DEmRNA associated with immunity and ferroptosis in ceRNA network. NOX4 was highly expressed in CC and connected with unfavourable prognosis. NOX4 was obviously enriched in pathways connected with carcinogenesis and significantly correlated with six kinds of immune cells. Immune checkpoints and NOX4 spearman correlation analysis showed that the expression of NOX4 was positively related to programmed cell death protein 1 (PD-1)-PDCD1, programmed cell death-Ligand 1 (PD-L1)-CD274 and cytotoxic T-lymphocyte-associated protein 4 (CTLA4). Conclusions To conclude, our study suggests that NOX4 is associated with both ferroptosis and tumor immunity, and might be a biomarker associated with the carcinogenesis, prognosis of CC and a potential target of CC immunotherapy.
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Affiliation(s)
- Xiaoping Yang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Yi Yu
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
| | - Zirui Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Pingfan Wu
- Department of Pathology, The 940th Hospital of the Joint Logistic Support of the People’s Liberation Army, Lanzhou, China
| | - Xiaolu Su
- Department of Pathology, Lanzhou University Second Hospital, Lanzhou, China
| | - Zhiping Wu
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
| | - Jianxin Gan
- Department of general surgery, Lanzhou University Second Hospital, Lanzhou, China
| | - Dekui Zhang
- Key Laboratory of Digestive Diseases of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
- Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
- *Correspondence: Dekui Zhang,
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23
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Khan MI, Ahmad A. LncRNA SNHG6 sponges miR-101 and induces tamoxifen resistance in breast cancer cells through induction of EMT. Front Oncol 2022; 12:1015428. [PMID: 36212408 PMCID: PMC9539827 DOI: 10.3389/fonc.2022.1015428] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Acquired resistance is a major clinical challenge for tamoxifen-based therapy. In this study, we focused on lncRNA SNHG6 which plays a role in chemoresistance of cancer cells, but has never been investigated in the context of tamoxifen resistance. We found elevated levels of SNHG6 in tamoxifen-resistant estrogen receptor (ER)-positive MCF-7 cells (MCF7TR), relative to naïve MCF-7 cells, as well as in tamoxifen-resistant T47D cells (T47DTR), relative to naïve T47D cells, which correlated with induced vimentin, ZEB1/2 and decreased e-cadherin, thus implicating a role of EMT in SNHG6-mediated tamoxifen resistance. Downregulation of SNHG6, using specific siRNA, sensitized MCF7TR as well as T47DTR cells to tamoxifen along with markedly reduced proliferation, invasion and anchorage-independent clonogenicity. Further, SNHG6 was found to sponge and inhibit miR-101 as the endogenous expression levels of SNHG6 and miR-101 inversely correlated in paired parental and tamoxifen-resistant cells and, moreover, silencing of SNHG6 in tamoxifen-resistant cells resulted in de-repression of miR-101, along with reversal of EMT. SNHG6 expression also directly correlated with increased stem cells markers Sox2, Oct4 and EZH2. miR-101 levels, manipulated by transfections with pre/anti-miR-101 oligos, directly affected tamoxifen sensitivity of ER-positive cells with pre-miR-101 sensitizing MCF7TR and T47DTR cells to tamoxifen whereas anti-miR-101 inducing resistance of parental MCF-7 and T47D cells to tamoxifen. Further, miR-101 was found to attenuate SNHG6-mediated effects on tamoxifen resistance, EMT as well as stem cell markers, thereby making a case for SNHG6-miR-101 axis in tamoxifen resistance of ER-positive breast cancer cells. Thus, lncRNA SNHG6 is a novel modulator of tamoxifen resistance through its sponging of miR-101 and the resulting effects on EMT.
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Affiliation(s)
- Mohammad Imran Khan
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Centre of Artificial Intelligence for Precision Medicines, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Aamir Ahmad
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
- *Correspondence: Aamir Ahmad,
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24
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Bonczek O, Wang L, Gnanasundram SV, Chen S, Haronikova L, Zavadil-Kokas F, Vojtesek B. DNA and RNA Binding Proteins: From Motifs to Roles in Cancer. Int J Mol Sci 2022; 23:ijms23169329. [PMID: 36012592 PMCID: PMC9408909 DOI: 10.3390/ijms23169329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022] Open
Abstract
DNA and RNA binding proteins (DRBPs) are a broad class of molecules that regulate numerous cellular processes across all living organisms, creating intricate dynamic multilevel networks to control nucleotide metabolism and gene expression. These interactions are highly regulated, and dysregulation contributes to the development of a variety of diseases, including cancer. An increasing number of proteins with DNA and/or RNA binding activities have been identified in recent years, and it is important to understand how their activities are related to the molecular mechanisms of cancer. In addition, many of these proteins have overlapping functions, and it is therefore essential to analyze not only the loss of function of individual factors, but also to group abnormalities into specific types of activities in regard to particular cancer types. In this review, we summarize the classes of DNA-binding, RNA-binding, and DRBPs, drawing particular attention to the similarities and differences between these protein classes. We also perform a cross-search analysis of relevant protein databases, together with our own pipeline, to identify DRBPs involved in cancer. We discuss the most common DRBPs and how they are related to specific cancers, reviewing their biochemical, molecular biological, and cellular properties to highlight their functions and potential as targets for treatment.
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Affiliation(s)
- Ondrej Bonczek
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute (MMCI), Zluty Kopec 7, 656 53 Brno, Czech Republic
- Department of Medical Biosciences, Umea University, 90187 Umea, Sweden
- Correspondence: (O.B.); (B.V.)
| | - Lixiao Wang
- Department of Medical Biosciences, Umea University, 90187 Umea, Sweden
| | | | - Sa Chen
- Department of Medical Biosciences, Umea University, 90187 Umea, Sweden
| | - Lucia Haronikova
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute (MMCI), Zluty Kopec 7, 656 53 Brno, Czech Republic
| | - Filip Zavadil-Kokas
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute (MMCI), Zluty Kopec 7, 656 53 Brno, Czech Republic
| | - Borivoj Vojtesek
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute (MMCI), Zluty Kopec 7, 656 53 Brno, Czech Republic
- Correspondence: (O.B.); (B.V.)
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25
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Zhong Y, Ashley CL, Steain M, Ataide SF. Assessing the suitability of long non-coding RNAs as therapeutic targets and biomarkers in SARS-CoV-2 infection. Front Mol Biosci 2022; 9:975322. [PMID: 36052163 PMCID: PMC9424846 DOI: 10.3389/fmolb.2022.975322] [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: 06/22/2022] [Accepted: 07/20/2022] [Indexed: 11/13/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are RNA transcripts that are over 200 nucleotides and rarely encode proteins or peptides. They regulate gene expression and protein activities and are heavily involved in many cellular processes such as cytokine secretion in respond to viral infection. In severe COVID-19 cases, hyperactivation of the immune system may cause an abnormally sharp increase in pro-inflammatory cytokines, known as cytokine release syndrome (CRS), which leads to severe tissue damage or even organ failure, raising COVID-19 mortality rate. In this review, we assessed the correlation between lncRNAs expression and cytokine release syndrome by comparing lncRNA profiles between COVID-19 patients and health controls, as well as between severe and non-severe cases. We also discussed the role of lncRNAs in CRS contributors and showed that the lncRNA profiles display consistency with patients’ clinic symptoms, thus suggesting the potential of lncRNAs as drug targets or biomarkers in COVID-19 treatment.
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Affiliation(s)
- Yichen Zhong
- School of Life and Environmental Sciences, University of Sydney, Sydney, NSW, Australia
| | - Caroline L. Ashley
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Megan Steain
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Sandro Fernandes Ataide
- School of Life and Environmental Sciences, University of Sydney, Sydney, NSW, Australia
- *Correspondence: Sandro Fernandes Ataide,
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Tan K, Stupack DG, Wilkinson MF. Nonsense-mediated RNA decay: an emerging modulator of malignancy. Nat Rev Cancer 2022; 22:437-451. [PMID: 35624152 PMCID: PMC11009036 DOI: 10.1038/s41568-022-00481-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/19/2022] [Indexed: 12/11/2022]
Abstract
Nonsense-mediated RNA decay (NMD) is a highly conserved RNA turnover pathway that selectively degrades RNAs harbouring truncating mutations that prematurely terminate translation, including nonsense, frameshift and some splice-site mutations. Recent studies show that NMD shapes the mutational landscape of tumours by selecting for mutations that tend to downregulate the expression of tumour suppressor genes but not oncogenes. This suggests that NMD can benefit tumours, a notion further supported by the finding that mRNAs encoding immunogenic neoantigen peptides are typically targeted for decay by NMD. Together, this raises the possibility that NMD-inhibitory therapy could be of therapeutic benefit against many tumour types, including those with a high load of neoantigen-generating mutations. Complicating this scenario is the evidence that NMD can also be detrimental for many tumour types, and consequently tumours often have perturbed NMD. NMD may suppress tumour generation and progression by degrading subsets of specific normal mRNAs, including those encoding stress-response proteins, signalling factors and other proteins beneficial for tumours, as well as pro-tumour non-coding RNAs. Together, these findings suggest that NMD-modulatory therapy has the potential to provide widespread therapeutic benefit against diverse tumour types. However, whether NMD should be stimulated or repressed requires careful analysis of the tumour to be treated.
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Affiliation(s)
- Kun Tan
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Dwayne G Stupack
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, La Jolla, CA, USA.
- UCSD Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA.
| | - Miles F Wilkinson
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, La Jolla, CA, USA.
- Institute of Genomic Medicine, University of California, San Diego, La Jolla, CA, USA.
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27
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Chen Z, Lin X, Wan Z, Xiao M, Ding C, Wan P, Li Q, Zheng S. High Expression of EZH2 Mediated by ncRNAs Correlates with Poor Prognosis and Tumor Immune Infiltration of Hepatocellular Carcinoma. Genes (Basel) 2022; 13:genes13050876. [PMID: 35627262 PMCID: PMC9141487 DOI: 10.3390/genes13050876] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/24/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023] Open
Abstract
Background: Hepatocellular carcinoma (HCC) is the predominant form of liver cancer and is accompanied by a complex regulatory network. Increasing evidence suggests that an abnormal gene expression of EZH2 is associated with HCC progression. However, the molecular mechanism by which non-coding RNAs (ncRNAs) regulate EZH2 remains elusive. Methods: The Cancer Genome Atlas (TCGA) and Genotype-Tissue Expression (GTEx) data were used to perform differential expression analysis and prognostic analysis. We used the Encyclopedia of RNA Interactomes (ENCORI) database to predict candidate miRNAs and lncRNAs that may bind to EZH2. Subsequently, the comprehensive analysis (including expression analysis, correlation analysis, and survival analysis) identified ncRNAs that contribute to EZH2 overexpression. Results: EZH2 was found to be upregulated in the majority of tumor types and associated with a poor prognosis. Hsa-miR-101-3p was identified as a target miRNA of EZH2. Additionally, SNHG6 and MALAT1 were identified as upstream lncRNAs of hsa-miR-101-3p. Meanwhile, correlation analysis revealed that EZH2 expression was significantly associated with the infiltration of several immune cell types in HCC. Conclusion: SNHG6 or MALAT1/hsa-miR-101-3p/EZH2 axis were identified as potential regulatory pathways in the progression of HCC.
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Affiliation(s)
- Zhitao Chen
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
| | - Xin Lin
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
- School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Zhenmiao Wan
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
- School of Medicine, Zhejiang Chinese Medical University Zhejiang Shuren College, Hangzhou 310003, China
| | - Min Xiao
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
| | - Chenchen Ding
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
| | - Pengxia Wan
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
| | - Qiyong Li
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
- Correspondence: (Q.L.); (S.Z.); Tel.: +86-0571-56757021 (S.Z.)
| | - Shusen Zheng
- Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou 310004, China; (Z.C.); (X.L.); (Z.W.); (M.X.); (C.D.); (P.W.)
- School of Medicine, Zhejiang University, Hangzhou 310003, China
- Correspondence: (Q.L.); (S.Z.); Tel.: +86-0571-56757021 (S.Z.)
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28
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Lio CT, Kacprowski T, Klaedtke M, Jensen LR, Bouter Y, Bayer TA, Kuss AW. Small RNA Sequencing in the Tg4–42 Mouse Model Suggests the Involvement of snoRNAs in the Etiology of Alzheimer’s Disease. J Alzheimers Dis 2022; 87:1671-1681. [DOI: 10.3233/jad-220110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: The Tg4-42 mouse model for sporadic Alzheimer’s disease (AD) has unique features, as the neuronal expression of wild type N-truncated Aβ4–42 induces an AD-typical neurological phenotype in the absence of plaques. It is one of the few models developing neuron death in the CA1 region of the hippocampus. As such, it could serve as a powerful tool for preclinical drug testing and identification of the underlying molecular pathways that drive the pathology of AD. Objective: The aim of this study was to use a differential co-expression analysis approach for analyzing a small RNA sequencing dataset from a well-established murine model in order to identify potentially new players in the etiology of AD. Methods: To investigate small nucleolar RNAs in the hippocampus of Tg4-42 mice, we used RNA-Seq data from this particular tissue and, instead of analyzing the data at single gene level, employed differential co-expression analysis, which takes the comparison to gene pair level and thus affords a new angle to the interpretation of these data. Results: We identified two clusters of differentially correlated small RNAs, including Snord55, Snord57, Snord49a, Snord12, Snord38a, Snord99, Snord87, Mir1981, Mir106b, Mir30d, Mir598, and Mir99b. Interestingly, some of them have been reported to be functionally relevant in AD pathogenesis, as AD biomarkers, regulating tau phosphorylation, TGF-β receptor function or Aβ metabolism. Conclusion: The majority of snoRNAs for which our results suggest a potential role in the etiology of AD were so far not conspicuously implicated in the context of AD pathogenesis and could thus point towards interesting new avenues of research in this field.
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Affiliation(s)
- Chit Tong Lio
- Chair of Experimental Bioinformatics, TechnicalUniversity of Munich, Freising, Germany
- Chair of Computational Systems Biology, University of Hamburg, Hamburg, Germany
| | - Tim Kacprowski
- Division Data Science in Biomedicine, Peter L. Reichertz Institute for Medical Informatics of TU Braunschweig and Hannover Medical School, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), TU Braunschweig, Braunschweig, Germany
| | - Maik Klaedtke
- Department of Functional Genomics, Human Molecular Genetics Group, Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Lars R. Jensen
- Department of Functional Genomics, Human Molecular Genetics Group, Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Yvonne Bouter
- Department of Psychiatry and Psychotherapy, Division of Molecular Psychiatry, University Medical Center Goettingen (UMG), Georg-August-University, Goettingen, Germany
| | - Thomas A. Bayer
- Department of Psychiatry and Psychotherapy, Division of Molecular Psychiatry, University Medical Center Goettingen (UMG), Georg-August-University, Goettingen, Germany
| | - Andreas W. Kuss
- Department of Functional Genomics, Human Molecular Genetics Group, Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
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29
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Cao J, Xiao C, Fong CJTH, Gong J, Li D, Li X, Jie Y, Chong Y. Expression and Regulatory Network Analysis of Function of Small Nucleolar RNA Host Gene 4 in Hepatocellular Carcinoma. J Clin Transl Hepatol 2022; 10:297-307. [PMID: 35528985 PMCID: PMC9039712 DOI: 10.14218/jcth.2020.00175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/30/2021] [Accepted: 06/02/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND AIMS Long non-coding RNA small nucleolar RNA host genes (SNHGs) play a critical role in the occurrence and development of tumors. In this study, we aimed to investigate the role of SNHG4 in hepatocellular carcinoma (HCC) and its underlining mechanism. METHODS Datasets were acquired from The Cancer Genome Atlas (TCGA) database. lncLocator 2.0 was used to identify the distribution of SNHG4 in HCC cells. Gene expression, Kaplan-Meier survival, microRNA and transcription factor target analyses were performed with the University of Alabama Cancer (UALCAN) Database, Kaplan-Meier Plotter, LinkedOmics, WebGestalt and gene set enrichment analysis, respectively. Gene Ontology and pathway enrichment analyses and assessment of RNA binding proteins were performed by R software, circlncRNAnet and Encyclopedia of RNA Interactomes (ENCORI). In addition, CirclncRNAnet and ENCORI were used to find the correlation between SNHG4 and important proteins, while the prognostic value was assessed with the Human Protein Atlas database and Kaplan-Meier Plotter. RESULTS Expression of SNHG4 in HCC is higher in HCC tissue than in normal healthy liver tissues and is mainly distributed in the nucleus. SNHG4 positively correlated with poor prognosis (p<0.01 for overall survival and recurrence-free survival). Functional enrichment analysis revealed SNHG4 involvement with regulation of ribosomal RNA synthesis and the RNA processing and surveillance pathway. SNHG4 is closely associated with miR-154 and miR-206, transcription factor target E2F family and the signaling pathway for MAPK/ERK and mTOR. U2 auxiliary factor 2 (U2AF2) showed strong correlation with SNHG4, while low-expression of U2AF2 showed good prognosis. CONCLUSIONS Based on our findings, we infer SNHG4 may play a role in the formation of HCC via regulation of tumor-related pathways.
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Affiliation(s)
- Jing Cao
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Cuicui Xiao
- Department of Anesthesiology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Christ-Jonathan Tsia Hin Fong
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiao Gong
- Department of Laboratory Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Danyang Li
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiangyong Li
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yusheng Jie
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Correspondence to: Yusheng Jie and Yutian Chong, Department of Infectious Diseases, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510630, China. ORCID: https://orcid.org/0000-0003-3756-0653 (YJ), https://orcid.org/0000-0001-8215-4393 (YC). Tel: +86-20-8525-2372, Fax: +86-20-8525-2250, E-mail: (YJ), (YC)
| | - Yutian Chong
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Correspondence to: Yusheng Jie and Yutian Chong, Department of Infectious Diseases, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510630, China. ORCID: https://orcid.org/0000-0003-3756-0653 (YJ), https://orcid.org/0000-0001-8215-4393 (YC). Tel: +86-20-8525-2372, Fax: +86-20-8525-2250, E-mail: (YJ), (YC)
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Lee S, Hwang Y, Kim TH, Jeong J, Choi D, Hwang J. UPF1 Inhibits Hepatocellular Carcinoma Growth through DUSP1/p53 Signal Pathway. Biomedicines 2022; 10:biomedicines10040793. [PMID: 35453543 PMCID: PMC9029930 DOI: 10.3390/biomedicines10040793] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 03/24/2022] [Indexed: 12/21/2022] Open
Abstract
Human hepatocellular carcinoma (HCC) has a high mortality rate because of the dearth of effective treatments. Multiple studies have shown that overexpression of UPF1, a key nonsense-mediated mRNA decay (NMD) factor, reduces HCC growth through various cell signaling pathways. However, the mechanism by which UPF1 expression retards HCC proliferation through the regulation of RNA stability remains unclear. By employing various UPF1 variants and transcriptome analysis, we revealed that overexpression of UPF1 variants, not UPF1-mediated NMD, reduces HCC tumorigenesis. Additionally, UPF1 variant overexpression reduced tumorigenesis in xenografted mice. Transcriptome analysis indicated that the level of dual specificity phosphatase 1 (DUSP1) was increased by UPF1 variants via posttranscriptional regulation. The UPF1 overexpression-mediated increase of DUSP1 activated tumor suppressor signaling, ultimately inhibiting cell growth. In this study, we highlighted the function of UPF1 as a tumor suppressor in HCC growth.
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Affiliation(s)
- Suman Lee
- Graduate School for Biomedical Science & Engineering, Hanyang University, Seoul 04763, Korea; (S.L.); (Y.H.)
| | - Yukyung Hwang
- Graduate School for Biomedical Science & Engineering, Hanyang University, Seoul 04763, Korea; (S.L.); (Y.H.)
| | - Tae Hun Kim
- Department of Surgery, Hanyang University College of Medicine, Seoul 04763, Korea; (T.H.K.); (J.J.); (D.C.)
| | - Jaemin Jeong
- Department of Surgery, Hanyang University College of Medicine, Seoul 04763, Korea; (T.H.K.); (J.J.); (D.C.)
| | - Dongho Choi
- Department of Surgery, Hanyang University College of Medicine, Seoul 04763, Korea; (T.H.K.); (J.J.); (D.C.)
| | - Jungwook Hwang
- Graduate School for Biomedical Science & Engineering, Hanyang University, Seoul 04763, Korea; (S.L.); (Y.H.)
- Correspondence: ; Tel.: +82-2-2220-2427; Fax: +82-2-2220-2422
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Mao G, Shan C, Li W, Liang B, Ma L, Zhang S. High Expression of RRM1 Mediated by ncRNAs Correlates with Poor Prognosis and Tumor Immune Infiltration of Hepatocellular Carcinoma. Int J Gen Med 2022; 15:2607-2620. [PMID: 35282644 PMCID: PMC8910518 DOI: 10.2147/ijgm.s353362] [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: 12/29/2021] [Accepted: 02/24/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Hepatocellular carcinoma (HCC) is one of several tumors with poor prognosis and causes a significant social burden. A growing number of studies have shown that RRM1 plays a crucial role in the development and progression of multiple human cancers. However, the specific role and mechanism of RRM1 have not been fully defined in HCC. Methods TCGA and GTEx data were used for the first time to conduct a pan-cancer analysis of RRM1 expression and prognosis, and identified RRM1 as a possible potential oncogene in HCC. At the same time, a combination of analyses (including expression analysis, correlation analysis or survival analysis) identified non-coding RNAs (ncRNAs) that contribute to RRM1 overexpression. Results MIR4435-2HG/miR-22-3p and SNHG6/miR-101-3p were identified as the most promising RRM1 upstream ncRNA-related pathways in HCC. In addition, RRM1 levels were significantly and positively correlated with tumor immune cell infiltration, immune cell biomarker or immune checkpoint expression. Conclusion These results suggest that high expression of RRM1 mediated by ncRNAs is associated with poor prognosis and tumor immune infiltration in HCC.
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Affiliation(s)
- Guochao Mao
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Changyou Shan
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Weimiao Li
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Baobao Liang
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Li Ma
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Shuqun Zhang
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710000, People’s Republic of China
- Correspondence: Shuqun Zhang, Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, No. 157 Xiwu Road, Xi’an, Shaanxi, 710000, People’s Republic of China, Tel +8613891841249, Fax +862987679512, Email
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32
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Li Y, Wang X, Chen S, Wu B, He Y, Du X, Yang X. Long non-coding RNA small nucleolar RNA host genes: functions and mechanisms in hepatocellular carcinoma. Mol Biol Rep 2022; 49:2455-2464. [PMID: 34989961 DOI: 10.1007/s11033-021-07018-0] [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: 09/11/2021] [Accepted: 11/24/2021] [Indexed: 11/09/2022]
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignant tumors of the digestive system, with a high degree of malignancy. Although treatment methods are constantly improving, the mortality of patients is still very high, and the small nucleolar RNA host gene (SNHG) plays an important role in the occurrence and development of cancer. It can activate downstream signaling molecules by acting on microRNA and microRNA target genes, promote the proliferation, invasion, and migration of HCC cells, and provide a new molecular target for the treatment of HCC. At present, the molecular mechanisms of HCC remain unclear. In this study, the mechanism and signaling pathway of SNHG in HCC are reviewed, which provides a theoretical basis for the clinical treatment of HCC.
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Affiliation(s)
- Yuan Li
- College of Clinical Medicine, Ningxia Medical University, Yinchuan, 750000, China.,Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Xinxin Wang
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Shiyong Chen
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Biao Wu
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Yu He
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Xueqin Du
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Xiaojun Yang
- Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China. .,School of People's Clinical Medicine, Lanzhou University, Lanzhou, 730000, China. .,Gansu Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology, Gansu Provincial Hospital, Lanzhou, 730000, China. .,Gansu Research Center of Prevention and Control Project for Digestive Oncology, Gansu Provincial Hospital, Lanzhou, 730000, China.
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Shafabakhsh R, Arianfar F, Vosough M, Mirzaei HR, Mahjoubin-Tehran M, Khanbabaei H, Kowsari H, Shojaie L, Azar MEF, Hamblin MR, Mirzaei H. Autophagy and gastrointestinal cancers: the behind the scenes role of long non-coding RNAs in initiation, progression, and treatment resistance. Cancer Gene Ther 2021; 28:1229-1255. [PMID: 33432087 DOI: 10.1038/s41417-020-00272-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/06/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023]
Abstract
Gastrointestinal (GI) cancers comprise a heterogeneous group of complex disorders that affect different organs, including esophagus, stomach, gallbladder, liver, biliary tract, pancreas, small intestine, colon, rectum, and anus. Recently, an explosion in nucleic acid-based technologies has led to the discovery of long non-coding RNAs (lncRNAs) that have been found to possess unique regulatory functions. This class of RNAs is >200 nucleotides in length, and is characterized by their lack of protein coding. LncRNAs exert regulatory effects in GI cancer development by affecting different functions such as the proliferation and metastasis of cancer cells, apoptosis, glycolysis and angiogenesis. Over the past few decades, considerable evidence has revealed the important role of autophagy in both GI cancer progression and suppression. In addition, recent studies have confirmed a significant correlation between lncRNAs and the regulation of autophagy. In this review, we summarize how lncRNAs play a behind the scenes role in the pathogenesis of GI cancers through regulation of autophagy.
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Affiliation(s)
- Rana Shafabakhsh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Farzaneh Arianfar
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Massoud Vosough
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, 1665659911, Iran
| | - Hamid Reza Mirzaei
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Mahjoubin-Tehran
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hashem Khanbabaei
- Medical Physics Department, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hamed Kowsari
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Layla Shojaie
- Research Center for Liver Diseases, Keck School of Medicine, Department of Medicine, University of Southern California, Los Angeles, CA, USA
| | | | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa.
| | - 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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Xu J, Liao M. Long noncoding RNA SNHG6 promotes papillary thyroid cancer cells proliferation via regulating miR-186/CDK6 axis. Gland Surg 2021; 10:2935-2944. [PMID: 34804881 DOI: 10.21037/gs-21-586] [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: 08/06/2021] [Accepted: 09/16/2021] [Indexed: 11/06/2022]
Abstract
Background Papillary thyroid cancer (PTC) is a common endocrine malignancy, and its incidence rate has been increasing in recent years. Long noncoding RNAs (lncRNAs) participate in cell biological processes through a variety of regulatory ways, and play an essential role in tumor development. Methods This study explored the expression of lncRNA small nucleolar RNA host gene 6 (SNHG6) in PTC by bioinformatics analysis, and quantitative real-time PCR (qRT-PCR). Cell counting kit-8 (CCK-8) assay, colony formation assay, and 5-ethynyl-2'-deoxyuridine (EdU) assay were used to study the effect of SNHG6 on the proliferation of PTC cells. Luciferase reporter gene assay and western blot were used to study the mechanism. Results SNHG6 was highly expressed in PTC tissue samples and cell lines. In vitro, overexpression of SNHG6 promoted the proliferation of PTC cells, while silencing SNHG6 inhibited the proliferation of PTC cells. miR-186 is the downstream target of SNHG6. SNHG6 regulates the proliferation of PTC cells through miR-186. In addition, CDK6 is the target gene of miR-186, which can inhibit the expression of CDK6 protein. SNHG6 can promote the expression of CDK6 by regulating miR-186. Conclusions SNHG6 is highly expressed in PTC and can promote the proliferation of PTC cells by regulating the miR-186/CDK6 axis, which is expected to become a potential therapeutic target for PTC.
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Affiliation(s)
- Jian Xu
- Department of General Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Miaomiao Liao
- Department of General Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
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Zhang Y, Li R, Ding X, He M, Zhang R. Long noncoding RNA SNHG6 promotes oesophageal squamous cell carcinoma by downregulating the miR-101-3p/EZH2 pathway. J Biochem Mol Toxicol 2021; 36:e22959. [PMID: 34766670 DOI: 10.1002/jbt.22959] [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: 05/17/2021] [Revised: 09/01/2021] [Accepted: 10/26/2021] [Indexed: 12/28/2022]
Abstract
Long noncoding RNAs (LncRNAs) have been reported to play a vital role in the development of oesophageal squamous cell carcinoma (OSCC). Our previous study revealed that the significant upregulation of the LncRNA small nucleolar RNA host gene 6 (SNHG6) in OSCC promotes OSCC tumourigenesis. However, the mechanisms underlying the dynamics of SNHG6 expression in OSCC have rarely been studied. In this study, we verified the tumour-promoting effect of SNHG6 through sponging miR-101-3p, and their levels were negatively correlated in human samples of OSCC. In addition, miR-101-3p overexpression reversed the effect of SNHG6. Moreover, we confirmed that SNHG6/miR-101-3p affects OSCC by regulating the expression of the enhancer of zeste 2 (EZH2). The effect of EZH2 silencing resembled closely that of SNHG6 knockdown. EZH2 silencing inhibited the expression of protein cyclin D1 and β-catenin, but in contrast, it enhanced the expression of E-cadherin. These findings demonstrated the oncogenic role of SNHG6, which promotes OSCC progression by regulating the expression of EZH2 through its interaction with miR-101-3p. These findings may help in improving the diagnosis and treatment methods of OSCC.
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Affiliation(s)
- Yueli Zhang
- Department of Clinical Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Ruijia Li
- Department of Pharmacy, The Eight Hospital of Xian, Xian, China
| | - Xiaoliang Ding
- Department of Clinical Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Meng He
- Department of Clinical Pharmacy, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Rui Zhang
- Emergency Department, Shaanxi Provincial Cancer Hospital, College of Medicine, Xi'an Jiaotong University, Xian, China
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Kaucsár T, Róka B, Tod P, Do PT, Hegedűs Z, Szénási G, Hamar P. Divergent regulation of lncRNA expression by ischemia in adult and aging mice. GeroScience 2021; 44:429-445. [PMID: 34697716 PMCID: PMC8811094 DOI: 10.1007/s11357-021-00460-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 09/11/2021] [Indexed: 12/24/2022] Open
Abstract
Elderly patients have increased susceptibility to acute kidney injury (AKI). Long noncoding RNAs (lncRNA) are key regulators of cellular processes, and have been implicated in both aging and AKI. Our aim was to study the effects of aging and ischemia-reperfusion injury (IRI) on the renal expression of lncRNAs. Adult and old (10- and 26-30-month-old) C57BL/6 N mice were subjected to unilateral IRI followed by 7 days of reperfusion. Renal expression of 90 lncRNAs and mRNA expression of injury, regeneration, and fibrosis markers was measured by qPCR in the injured and contralateral control kidneys. Tubular injury, regeneration, and fibrosis were assessed by histology. Urinary lipocalin-2 excretion was increased in old mice prior to IRI, but plasma urea was similar. In the control kidneys of old mice tubular cell necrosis and apoptosis, mRNA expression of kidney injury molecule-1, fibronectin-1, p16, and p21 was elevated. IRI increased plasma urea concentration only in old mice, but injury, regeneration, and fibrosis scores and their mRNA markers were similar in both age groups. AK082072 and Y lncRNAs were upregulated, while H19 and RepA transcript were downregulated in the control kidneys of old mice. IRI upregulated Miat, Igf2as, SNHG5, SNHG6, RNCR3, Malat1, Air, Linc1633, and Neat1 v1, while downregulated Linc1242. LncRNAs H19, AK082072, RepA transcript, and Six3os were influenced by both aging and IRI. Our results indicate that both aging and IRI alter renal lncRNA expression suggesting that lncRNAs have a versatile and complex role in aging and kidney injury. An Ingenuity Pathway Analysis highlighted that the most downregulated H19 may be linked to aging/senescence through p53.
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Affiliation(s)
- Tamás Kaucsár
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Beáta Róka
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Pál Tod
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Phuong Thanh Do
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Zoltán Hegedűs
- Institute of Biophysics, Biological Research Centre, Eötvös Loránd Research Network (ELKH), Szeged, Hungary
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, Pécs, Hungary
| | - Gábor Szénási
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Péter Hamar
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary.
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.
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Todoerti K, Taiana E, Puccio N, Favasuli V, Lionetti M, Silvestris I, Gentile M, Musto P, Morabito F, Gianelli U, Bolli N, Baldini L, Neri A, Ronchetti D. Transcriptomic Analysis in Multiple Myeloma and Primary Plasma Cell Leukemia with t(11;14) Reveals Different Expression Patterns with Biological Implications in Venetoclax Sensitivity. Cancers (Basel) 2021; 13:cancers13194898. [PMID: 34638381 PMCID: PMC8508148 DOI: 10.3390/cancers13194898] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 09/25/2021] [Indexed: 12/23/2022] Open
Abstract
Simple Summary The growing interest in BCL2 inhibitors for the treatment of multiple myeloma (MM) has led to the need for biomarkers that are able to predict patient’s sensitivity to the drug. The presence of the chromosomal translocation t(11;14) in MM is mainly associated with sensitivity to venetoclax and good prognosis. The incidence of t(11;14) largely increases in primary Plasma Cell Leukemia (pPCL) in association with an unfavorable outcome. Currently, data concerning pPCL sensitivity to venetoclax are virtually absent. In this context, we investigated the transcriptome of MM and pPCL with t(11;14), evidencing that the two clinical entities are likely responsive to venetoclax based on different molecular programs, thus prompting further studies to elucidate better novel potential predictive biomarkers. Abstract Mechanisms underlying the pathophysiology of primary Plasma Cell Leukemia (pPCL) and intramedullary multiple myeloma (MM) need to be further elucidated, being potentially relevant for improving therapeutic approaches. In such a context, the MM and pPCL subgroups characterized by t(11;14) deserve a focused investigation, as the presence of the translocation is mainly associated with sensitivity to venetoclax. Herein, we investigated a proprietary cohort of MM and pPCL patients, focusing on the transcriptional signature of samples carrying t(11;14), whose incidence increases in pPCL in association with an unfavorable outcome. In addition, we evaluated the expression levels of the BCL2-gene family members and of a panel of B-cell genes recently reported to be associated with sensitivity to venetoclax in MM. Moreover, transcriptional analysis of lncRNAs in the two clinical settings led to the identification of several differentially expressed transcripts, among which the SNGH6 deregulated lncRNA might be relevant in the pathogenesis and prognosis of pPCL with t(11;14). Overall, our data suggest that MMs and pPCLs with t(11;14) might be responsive to venetoclax based on different molecular programs, prompting further studies to elucidate better novel potential predictive biomarkers.
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Affiliation(s)
- Katia Todoerti
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Elisa Taiana
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Noemi Puccio
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
| | - Vanessa Favasuli
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Marta Lionetti
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Ilaria Silvestris
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Massimo Gentile
- Hematology Unit, “Annunziata” Hospital of Cosenza, 87100 Cosenza, Italy;
| | - Pellegrino Musto
- Department of Emergency and Organ Transplantation, “Aldo Moro” University School of Medicine, 70124 Bari, Italy;
- Unit of Hematology and Stem Cell Transplantation, AOUC Policlinico, 70124 Bari, Italy
| | - Fortunato Morabito
- Hematology and Bone Marrow Transplant Unit, Hemato-Oncology Department, Augusta Victoria Hospital, East Jerusalem 91191, Israel;
- Biotechnology Research Unit, Azienda Ospedaliera di Cosenza, 87100 Cosenza, Italy
| | - Umberto Gianelli
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- Division of Pathology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Niccolò Bolli
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Luca Baldini
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Antonino Neri
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
- Correspondence: (A.N.); (D.R.)
| | - Domenica Ronchetti
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy; (K.T.); (E.T.); (N.P.); (V.F.); (M.L.); (I.S.); (N.B.); (L.B.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
- Correspondence: (A.N.); (D.R.)
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Ghafouri-Fard S, Eghtedarian R, Seyedi M, Pouresmaeili F, Arsang-Jang S, Taheri M. Upregulation of VDR-associated lncRNAs in Schizophrenia. J Mol Neurosci 2021; 72:239-245. [PMID: 34499334 DOI: 10.1007/s12031-021-01901-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 08/14/2021] [Indexed: 11/30/2022]
Abstract
Vitamin D receptor (VDR) signaling has been found to contribute to the pathology of numerous neuropsychiatric diseases including schizophrenia. Notably, VDR signaling has a functional relationship with many long non-coding RNAs (lncRNAs) such as SNHG6, LINC00346 and LINC00511. We calculated expression of these lncRNAs in the venous blood of patients with schizophrenia versus healthy individuals. Expression of SNHG6 was significantly higher in cases versus controls (posterior beta = 0.552, adjusted P value < 0.0001). This pattern of expression was detected in both men (posterior beta = 0.556, adjusted P value < 0.0001) and women (posterior beta = 0.31, adjusted P value = 0.005). Expression of LINC00346 was also higher in cases versus controls (posterior beta = 0.497, adjusted P value < 0.0001) and in distinct sex-based comparisons (posterior beta = 0.451, adjusted P value = 0.009 among men and posterior beta = 0.214, P value = 0.004 among women). Expression of LINC00511 was higher in cases versus controls (posterior beta = 0.318, adjusted P value = 0.01). While sex-based comparisons revealed significant difference in expression of LINC00511 among female subgroups (posterior beta = 0.424, adjusted P value = 0.016), such comparison showed no difference among male cases and male controls (adjusted P value = 0.295). The expression levels of SNHG6 distinguished patients with schizophrenia from controls, with AUC = 0.932. LINC00346 and LINC00511 distinguished between the two groups with AUC values of 0.795 and 0.706, respectively. Therefore, these lncRNAs might be used as markers for schizophrenia.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reyhane Eghtedarian
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Motahareh Seyedi
- Department of Biology, Faculty of Science, Yazd University, Yazd, Iran
| | - Farkhondeh Pouresmaeili
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahram Arsang-Jang
- Cancer Gene Therapy Research Center, Zanjan University of Medical Science, Zanjan, Iran
| | - Mohammad Taheri
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Ghasemi T, Khalaj-Kondori M, Hosseinpour Feizi MA, Asadi P. Aberrant expression of lncRNAs SNHG6, TRPM2-AS1, MIR4435-2HG, and hypomethylation of TRPM2-AS1 promoter in colorectal cancer. Cell Biol Int 2021; 45:2464-2478. [PMID: 34431156 DOI: 10.1002/cbin.11692] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 08/08/2021] [Accepted: 08/22/2021] [Indexed: 01/30/2023]
Abstract
Accumulating evidence has indicated that deregulation of lncRNAs plays essential roles in colorectal cancer (CRC) carcinogenesis. The goal of this study was to analyze the expression of lncRNAs in colorectal cancer and their association with clinicopathological variables. Bioinformatics analysis of published CRC microarray data was performed to identify the important lncRNAs. The expression levels of candidate genes were assessed in the human colon cancer/normal cell lines, CRC, adenomatous colorectal polyps, and their marginal tissues by qRT-PCR. Moreover, the methylation status of the TRPM2-AS1 promoter was studied using qMSP assay. Furthermore, we investigated the molecular mechanisms of these lncRNAs in CRC progression using in silico analysis. Microarray analysis revealed that lncRNAs SNHG6, MIR4435-2HG, and TRPM2-AS1 were upregulated in CRC. These results were validated in colon cell lines. Moreover, qRT-PCR showed that the expression levels of SNHG6 and TRPM2-AS1 were upregulated in the colorectal tumor tissues compared with their paired tissues. Nonetheless, there was no significant increase in MIR4435-2HG expression in CRC samples. Furthermore, we observed a significant hypomethylation of TRPM2-AS1 promoter and its activation in CRC tissues. By in silico analysis, we found that the lncRNAs upregulation could promote proliferation and drug resistance of colorectal cancer cells via miRNAs sponging and modulation of their targets expression. In conclusion, based on our results upregulation of SNHG6 and TRPM2-AS1, and hypomethylation of TRPM2-AS1 promoter might be considered as potential diagnostic biomarkers for CRC initiation and development.
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Affiliation(s)
- Tayyebeh Ghasemi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Mohammad Khalaj-Kondori
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | | | - Parviz Asadi
- Medical Science Division, Imam Sajjad Hospital, Islamic Azad University, Tabriz, Iran
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40
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Wang H, Ma P, Liu P, Guo D, Liu Z, Zhang Z. lncRNA SNHG6 promotes hepatocellular carcinoma progression by interacting with HNRNPL/PTBP1 to facilitate SETD7/LZTFL1 mRNA destabilization. Cancer Lett 2021; 520:121-131. [PMID: 34252487 DOI: 10.1016/j.canlet.2021.07.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 07/01/2021] [Accepted: 07/06/2021] [Indexed: 01/03/2023]
Abstract
The lncRNA SNHG6 (small nucleolar RNA host gene 6) plays vital roles in tumorigenesis and the progression of hepatocellular carcinoma (HCC). However, the regulatory mechanisms of SNHG6 are largely unknown. In this study, we identified, via quantitative proteomics, specific cytoskeleton-associated proteins and enzyme modulators to be potential targets of SNHG6. SNHG6 reduced the mRNA levels of lysine methyltransferase, SET domain containing 7 (SETD7) and leucine zipper transcription factor-like 1 (LZTFL1) by posttranscriptional destabilization. Silencing of SETD7 or LZTFL1 reversed the suppressive effects of SNHG6 knockdown on HCC progression. Heterogeneous nuclear ribonucleoprotein L (HNRNPL) and polypyrimidine tract binding protein 1 (PTBP1) were identified as SNHG6-interacting proteins that bind to SETD7 or LZTFL1 mRNA. Forced expression of SNHG6 led to HNRNPL being competitively adsorbed by SNHG6, thereby removing its stabilizing effect on SETD7. Concurrently, the functional SNHG6-PTBP1 complex facilitated the degradation of LZTFL1 mRNA in hepatoma cells. These results indicated that SNHG6 promotes HCC progression by functioning as a "decoy plus guide" for HNRNPL and PTBP1 to facilitate mRNA decay of SETD7 and LZTFL1, thereby serving as a novel therapeutic target for HCC.
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Affiliation(s)
- Haitao Wang
- Department of Hepatobiliary and Pancreas, Research Center of Digestive Diseases, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Pei Ma
- Center for Gene Diagnosis, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China; Department of Forensic Medicine, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Pengpeng Liu
- Department of Hepatobiliary and Pancreas, Research Center of Digestive Diseases, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Deliang Guo
- Department of Hepatobiliary and Pancreas, Research Center of Digestive Diseases, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China
| | - Zhisu Liu
- Department of Hepatobiliary and Pancreas, Research Center of Digestive Diseases, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China.
| | - Zhonglin Zhang
- Department of Hepatobiliary and Pancreas, Research Center of Digestive Diseases, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China.
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41
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Identification of a seven-long non-coding RNA signature associated with Jab1/CSN5 in predicting hepatocellular carcinoma. Cell Death Discov 2021; 7:178. [PMID: 34247194 PMCID: PMC8272716 DOI: 10.1038/s41420-021-00560-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/10/2021] [Accepted: 06/13/2021] [Indexed: 12/23/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a leading cause of cancer death worldwide, accounting for over 700,000 deaths each year. The lack of predictive and prognostic biomarkers for HCC, with effective therapy, remains a significant challenge for HCC management. Long non-coding RNAs (lncRNAs) play a key role in tumorigenesis and have clinical value as potential biomarkers in the early diagnosis and prediction of HCC. Jun activation domain-binding protein 1 (Jab1, also known as COP9 signalosome subunit 5, CSN5) is a potential oncogene that plays a critical role in the occurrence of HCC. Here, we performed a comprehensive analysis for Jab1/CSN5-associated lncRNAs to predict the prognosis of HCC. The differentially expressed (DE) lncRNAs between in HCC were analyzed based on the TCGA RNA-seq data. We detected 1031 upregulated lncRNAs in 371 HCC tissues and identified a seven-lncRNA signature strongly correlated with Jab1/CSN5 (SNHG6, CTD3065J16.9, LINC01604, CTD3025N20.3, KB-1460A1.5, RP13-582O9.7, and RP11-29520.2). We further evaluated the prognostic significance of these lncRNAs by GEPIA (http://gepia.cancer-pku.cn/). The expression data in 364 liver tumors indicated that this seven-lncRNA signature could better predict worse survival in HCC patients. Moreover, 35 clinical HCC samples were evaluated to assess the validity and reproducibility of the bioinformatic analysis. We found that the targeted lncRNAs were upregulated, with a strong association with Jab1/CSN5 and prognostic value in HCC. Functional enrichment analysis by Gene Ontology (GO) showed that these seven prognostic lncRNAs exhibit oncogenic properties and are associated with prominent hallmarks of cancer. Overall, our findings demonstrate the clinical implication of Jab1/CSN5 with the seven‐lncRNAs in predicting survival for patients with HCC.
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42
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Qin S, Xu J, Yi Y, Jiang S, Jin P, Xia X, Ma F. Transcription Factors and Methylation Drive Prognostic miRNA Dysregulation in Hepatocellular Carcinoma. Front Oncol 2021; 11:691115. [PMID: 34307154 PMCID: PMC8297977 DOI: 10.3389/fonc.2021.691115] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Many dysregulated microRNAs (miRNAs) have been suggested to serve as oncogenes or tumor suppressors to act as diagnostic and prognostic factors for HCC patients. However, the dysregulated mechanisms of miRNAs in HCC remain largely unknown. Herein, we firstly identify 114 disordered mature miRNAs in HCC, 93 of them are caused by dysregulated transcription factors, and 10 of them are driven by the DNA methylation of their promoter regions. Secondly, we find that seven up-regulated miRNAs (miR-9-5p, miR-452-5p, miR-452-3p, miR-1180-3p, miR-4746-5p, miR-3677-3 and miR-4661-5p) can promote tumorigenesis via inhibiting multiple tumor suppressor genes participated in metabolism, which may act as oncogenes, and seven down-regulated miRNAs (miR-99-5p, miR-5589-5p, miR-5589-3p, miR-139-5p, miR-139-3p, miR-101-3p and miR-125b-5p) can suppress abnormal cell proliferation via suppressing a number of oncogenes involved in cancer-related pathways, which may serve as tumor suppressors. Thirdly, our findings reveal a mechanism that transcription factor and miRNA interplay can form various regulatory loops to synergistically control the occurrence and development of HCC. Finally, our results demonstrate that this key transcription factor FOXO1 can activate a certain number of tumor suppressor miRNAs to improve the survival of HCC patients, suggesting FOXO1 as an effective therapeutic target for HCC patients. Overall, our study not only reveals the dysregulated mechanisms of miRNAs in HCC, but provides several novel prognostic biomarkers and potential therapeutic targets for HCC patients.
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Affiliation(s)
- Shijie Qin
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, China.,Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, The First School of Clinical Medicine, Southern Medical University, Nanjing, China
| | - Jieyun Xu
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, China
| | - Yunmeng Yi
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, China
| | - Sizhu Jiang
- College of Arts and Sciences, Emory University, Atlanta, GA, United States
| | - Ping Jin
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, China
| | - Xinyi Xia
- Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, The First School of Clinical Medicine, Southern Medical University, Nanjing, China
| | - Fei Ma
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, China
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43
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Razavi ZS, Asgarpour K, Mahjoubin-Tehran M, Rasouli S, Khan H, Shahrzad MK, Hamblin MR, Mirzaei H. Angiogenesis-related non-coding RNAs and gastrointestinal cancer. MOLECULAR THERAPY-ONCOLYTICS 2021; 21:220-241. [PMID: 34095461 PMCID: PMC8141508 DOI: 10.1016/j.omto.2021.04.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Gastrointestinal (GI) cancers are among the main reasons for cancer death globally. The deadliest types of GI cancer include colon, stomach, and liver cancers. Multiple lines of evidence have shown that angiogenesis has a key role in the growth and metastasis of all GI tumors. Abnormal angiogenesis also has a critical role in many non-malignant diseases. Therefore, angiogenesis is considered to be an important target for improved cancer treatment. Despite much research, the mechanisms governing angiogenesis are not completely understood. Recently, it has been shown that angiogenesis-related non-coding RNAs (ncRNAs) could affect the development of angiogenesis in cancer cells and tumors. The broad family of ncRNAs, which include long non-coding RNAs, microRNAs, and circular RNAs, are related to the development, promotion, and metastasis of GI cancers, especially in angiogenesis. This review discusses the role of ncRNAs in mediating angiogenesis in various types of GI cancers and looks forward to the introduction of mimetics and antagonists as possible therapeutic agents.
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Affiliation(s)
| | - Kasra Asgarpour
- Department of Medicine, University of Western Ontario, London, ON, Canada
| | - Maryam Mahjoubin-Tehran
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Susan Rasouli
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Mohammad Karim Shahrzad
- Department of Internal Medicine and Endocrinology, Shohadae Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - 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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44
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Biagioni A, Tavakol S, Ahmadirad N, Zahmatkeshan M, Magnelli L, Mandegary A, Samareh Fekri H, Asadi MH, Mohammadinejad R, Ahn KS. Small nucleolar RNA host genes promoting epithelial-mesenchymal transition lead cancer progression and metastasis. IUBMB Life 2021; 73:825-842. [PMID: 33938625 DOI: 10.1002/iub.2501] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/22/2021] [Accepted: 04/29/2021] [Indexed: 02/06/2023]
Abstract
The small nucleolar RNA host genes (SNHGs) belong to the long non-coding RNAs and are reported to be able to influence all three levels of cellular information-bearing molecules, that is, DNA, RNA, and proteins, resulting in the generation of complex phenomena. As the host genes of the small nucleolar RNAs (snoRNAs), they are commonly localized in the nucleolus, where they exert multiple regulatory functions orchestrating cellular homeostasis and differentiation as well as metastasis and chemoresistance. Indeed, worldwide literature has reported their involvement in the epithelial-mesenchymal transition (EMT) of different histotypes of cancer, being able to exploit peculiar features, for example, the possibility to act both in the nucleus and the cytoplasm. Moreover, SNHGs regulation is a fundamental topic to better understand their role in tumor progression albeit such mechanism is still debated. Here, we reviewed the biological functions of SNHGs in particular in the EMT process and discussed the perspectives for new cancer therapies.
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Affiliation(s)
- Alessio Biagioni
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Section of Experimental Pathology and Oncology, Florence, Italy
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Nooshin Ahmadirad
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Masoumeh Zahmatkeshan
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Lucia Magnelli
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Section of Experimental Pathology and Oncology, Florence, Italy
| | - Ali Mandegary
- Department of Pharmacology & Toxicology, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Hojjat Samareh Fekri
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Malek Hossein Asadi
- Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Reza Mohammadinejad
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran
| | - Kwang Seok Ahn
- Department of Science in Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
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45
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Chen K, Hou Y, Liao R, Li Y, Yang H, Gong J. LncRNA SNHG6 promotes G1/S-phase transition in hepatocellular carcinoma by impairing miR-204-5p-mediated inhibition of E2F1. Oncogene 2021; 40:3217-3230. [PMID: 33824472 DOI: 10.1038/s41388-021-01671-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 12/17/2020] [Accepted: 01/20/2021] [Indexed: 02/06/2023]
Abstract
Emerging evidence suggests that long noncoding RNAs (lncRNAs) function as competitive endogenous RNA (ceRNA) targeting proteins and genes; however, the role of lncRNAs in hepatocellular carcinoma (HCC) is not well understood. We investigated the mechanism by which lncRNA SNHG6 promotes the development of HCC. RT-qPCR revealed upregulated lncRNA SNHG6 in the HCC setting. Elevated SNHG6 expression was indicative of poor prognosis in patients with HCC. SNHG6 overexpression resulted in increased cyclin D1, cyclin E1, and E2F1 expression both in vitro and in vivo. SNHG6 also promoted HCC cell proliferation by enhancing G1-S phase transition in vitro. Dual luciferase reporter assays, RIP, and RNA pull-down assays demonstrated SNHG6 competitively bound to miR-204-5p and inhibited its expression preventing miR-204-5p from targeting E2F1. Overexpression of miR-204-5p abolished the effect of SNHG6. Our data suggest that SNHG6 functions as a ceRNA that targets miR-204-5p resulting in an increased E2F1 expression and enhanced G1-S phase transition, thereby promoting the tumorigenesis of HCC.
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Affiliation(s)
- Kai Chen
- Organ Transplant Center, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China.,The Third Ward of Hepatobiliary Pancreatic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China
| | - Yifu Hou
- Organ Transplant Center, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China.,The Third Ward of Hepatobiliary Pancreatic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China
| | - Rui Liao
- Department of Hepatobiliary, School of Clinical Medicine, Southwest Medical University, Luzhou, PR China
| | - Youzan Li
- Department of Hepatobiliary, School of Clinical Medicine, Southwest Medical University, Luzhou, PR China
| | - Hongji Yang
- Organ Transplant Center, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China. .,The Third Ward of Hepatobiliary Pancreatic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China.
| | - Jun Gong
- The Second Ward of Hepatobiliary Pancreatic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital & Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, PR China.
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46
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Dong X, Han Y, Zhang E, Wang Y, Zhang P, Wang C, Zhong L, Li Q. Tumor suppressor DCAF15 inhibits epithelial-mesenchymal transition by targeting ZEB1 for proteasomal degradation in hepatocellular carcinoma. Aging (Albany NY) 2021; 13:10603-10618. [PMID: 33833131 PMCID: PMC8064142 DOI: 10.18632/aging.202823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 03/04/2021] [Indexed: 01/06/2023]
Abstract
Epithelial-mesenchymal transition (EMT) is an evolutionarily conserved developmental program that has been implicated in tumorigenesis and confers metastatic properties upon cancer cells. ZEB1 is a master transcription factor that activates the EMT process in various cancers. ZEB1 is reportedly degraded through the ubiquitin proteasome pathway, but the underlying molecular mechanism of this process remains largely unknown in hepatocellular carcinoma (HCC). Here, we identified ZEB1 as a substrate of the CRL4-DCAF15 (DDB1 and CUL4 associated factor 15) E3 ubiquitin ligase complex. DCAF15 acts as an adaptor that specifically recognizes the N-terminal zinc finger domain of ZEB1, then triggers its degradation via the ubiquitin-proteasome pathway. DCAF15 knockdown led to upregulation of ZEB1 and activation of EMT, whereas overexpression of DCAF15 suppressed ZEB1 and inhibited EMT. DCAF15 knockdown also promoted HCC cell proliferation and invasion in a ZEB1-dependent manner. In HCC patients, low DCAF15 expression was predictive of an unfavorable prognosis. These findings reveal the distinct molecular mechanism by which DCAF15 suppresses HCC malignancy and provides insight into the relationship between the CUL4-DCAF15 E3 ubiquitin ligase complex and ZEB1 in HCC.
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Affiliation(s)
- Xiao Dong
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Yang Han
- Institute of Translational Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Encheng Zhang
- Department of Urology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Yuqi Wang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Pingzhao Zhang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Chenji Wang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Lin Zhong
- Department of Hepatobiliary and General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Qi Li
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
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47
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Lim TB, Foo SYR, Chen CK. The Role of Epigenetics in Congenital Heart Disease. Genes (Basel) 2021; 12:genes12030390. [PMID: 33803261 PMCID: PMC7998561 DOI: 10.3390/genes12030390] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/23/2021] [Accepted: 03/06/2021] [Indexed: 02/06/2023] Open
Abstract
Congenital heart disease (CHD) is the most common birth defect among newborns worldwide and contributes to significant infant morbidity and mortality. Owing to major advances in medical and surgical management, as well as improved prenatal diagnosis, the outcomes for these children with CHD have improved tremendously so much so that there are now more adults living with CHD than children. Advances in genomic technologies have discovered the genetic causes of a significant fraction of CHD, while at the same time pointing to remarkable complexity in CHD genetics. For this reason, the complex process of cardiogenesis, which is governed by multiple interlinked and dose-dependent pathways, is a well investigated process. In addition to the sequence of the genome, the contribution of epigenetics to cardiogenesis is increasingly recognized. Significant progress has been made dissecting the epigenome of the heart and identified associations with cardiovascular diseases. The role of epigenetic regulation in cardiac development/cardiogenesis, using tissue and animal models, has been well reviewed. Here, we curate the current literature based on studies in humans, which have revealed associated and/or causative epigenetic factors implicated in CHD. We sought to summarize the current knowledge on the functional role of epigenetics in cardiogenesis as well as in distinct CHDs, with an aim to provide scientists and clinicians an overview of the abnormal cardiogenic pathways affected by epigenetic mechanisms, for a better understanding of their impact on the developing fetal heart, particularly for readers interested in CHD research.
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Affiliation(s)
- Tingsen Benson Lim
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore;
| | - Sik Yin Roger Foo
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore;
- Genome Institute of Singapore, Agency for Science, Technology and Research, Singapore 138672, Singapore
| | - Ching Kit Chen
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore;
- Division of Cardiology, Department of Paediatrics, Khoo Teck Puat-National University Children’s Medical Institute, National University Health System, Singapore 119228, Singapore
- Correspondence:
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48
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Fan X, Zhao Z, Song J, Zhang D, Wu F, Tu J, Xu M, Ji J. LncRNA-SNHG6 promotes the progression of hepatocellular carcinoma by targeting miR-6509-5p and HIF1A. Cancer Cell Int 2021; 21:150. [PMID: 33663502 PMCID: PMC7931350 DOI: 10.1186/s12935-021-01835-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 02/15/2021] [Indexed: 01/05/2023] Open
Abstract
Background Accumulating evidences have been reported that long noncoding RNAs play crucial roles in the progression of hepatocellular carcinoma (HCC). SnoRNA host gene 6 (SNHG6) is believed to be involved in several human cancers, but the specific molecular mechanism of SNHG6 in HCC is not well studied. Methods In this study, we experimentally down-regulated the SNHG6 in two hepatocellular carcinoma cell lines in vitro, and then measured the proliferation, migration and invasion abilities and the apoptotic levels. Also, we performed the xenograft assay to investigate the function of SNHG6 during the tumor growth in vivo. Results We found SNHG6 was highly expressed in HCC tissues. Next, using Hep3B and Huh7 cells, we confirmed knockdown of SNHG6 reduced the proliferation, migration and invasion abilities in vitro. Also, by bioinformatics analysis, further molecular and cellular experiments, we found miR-6509-5p bound to SNHG6 directly, and the expression level of HIF1A was regulated through SNHG6/miR-6509-5p axis. Finally, we found that down-regulation of SNHG6 dramatically reduced the tumor growth ability of Huh7 cells in vivo. Conclusions We concluded that SNHG6/miR-6509-5p/HIF1A axis functioned in the progression of hepatocellular carcinoma, and could be the promising therapeutic targets during the development of hepatocellular carcinoma drugs.
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Affiliation(s)
- Xiaoxi Fan
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Zhongwei Zhao
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Jingjing Song
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Dengke Zhang
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Fazong Wu
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Jianfei Tu
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China
| | - Min Xu
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China. .,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.
| | - Jiansong Ji
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China. .,Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, 323000, China.
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49
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Abstract
Long non-coding RNAs (LncRNAs) can bind to other proteins or RNAs to regulate gene expression, and its role in tumors has been extensively studied. A common RNA binding protein, UPF1, is also a key factor in a variety of RNA decay pathways. RNA decay pathways serve to control levels of particular RNA molecules. The expression of UPF1 is often dysregulated in tumors, an observation which suggests that UPF1 contributes to development of a variety of tumors. Herein, we review evidence from studies of fourteen lncRNAs interact with UPF1. The interaction between lncRNA and UPFI provide fundamental basis for cell transformation and tumorigenic growth.
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Affiliation(s)
- Junjian He
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China.,Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Shenyang, China
| | - Xiaoxin Ma
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China.,Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Key Laboratory of Obstetrics and Gynecology of Higher Education of Liaoning Province, Shenyang, China
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50
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Dsouza VL, Adiga D, Sriharikrishnaa S, Suresh PS, Chatterjee A, Kabekkodu SP. Small nucleolar RNA and its potential role in breast cancer - A comprehensive review. Biochim Biophys Acta Rev Cancer 2021; 1875:188501. [PMID: 33400969 DOI: 10.1016/j.bbcan.2020.188501] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/07/2020] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
Small Nucleolar RNAs (snoRNAs) are known for their canonical functions, including ribosome biogenesis and RNA modification. snoRNAs act as endogenous sponges that regulate miRNA expression. Thus, precise snoRNA expression is critical for fine-tuning miRNA expression. snoRNAs processed into miRNA-like sequences play a crucial role in regulating the expression of protein-coding genes similar to that of miRNAs. Recent studies have linked snoRNA deregulation to breast cancer (BC). Inappropriate snoRNA expression contributes to BC pathology by facilitating breast cells to acquire cancer hallmarks. Since snoRNAs show significant differential expression in normal and cancer conditions, measuring snoRNA levels could be useful for BC prognosis and diagnosis. The present article provides a comprehensive overview of the role of snoRNAs in breast cancer pathology. More specifically, we have discussed the regulation, biological function, signaling pathways, and clinical utility of abnormally expressed snoRNAs in BC. Besides, we have also discussed the role of snoRNA host genes in breast tumorigenesis and emerging and future research directions in the field of snoRNA and cancer.
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Affiliation(s)
- Venzil Lavie Dsouza
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Divya Adiga
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - S Sriharikrishnaa
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Padmanaban S Suresh
- School of Biotechnology, National Institute of Technology, Calicut, Kerala 673601, India
| | - Aniruddha Chatterjee
- Department of Pathology, Otago Medical School, Dunedin Campus, University of Otago, Dunedin, New Zealand
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
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