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Hao Y, Li B, Yin F, Liu W. tRNA-derived small RNA (tsr007330) regulates myocardial fibrosis after myocardial infarction through NAT10-mediated ac4C acetylation of EGR3 mRNA. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167267. [PMID: 38810917 DOI: 10.1016/j.bbadis.2024.167267] [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: 10/30/2023] [Revised: 04/27/2024] [Accepted: 05/21/2024] [Indexed: 05/31/2024]
Abstract
Small non-coding ribonucleic acids (sncRNAs) play an important role in cell regulation and are closely related to the pathogenesis of heart diseases. However, the role and molecular mechanism of transfer RNA-derived small RNAs (tsRNAs) in myocardial fibrosis after myocardial infarction (MI) remain unknown. In this study, we identified and validated sncRNAs (mainly miRNA and tsRNA) associated with myocardial fibrosis after MI through PANDORA sequencing of rat myocardial tissue. As a key enzyme of N4-acetylcytidine (ac4C) acetylation modification, N-acetyltransferase 10 (NAT10) plays an important role in regulating messenger RNA (mRNA) stability and translation efficiency. We found that NAT10 is highly expressed in infarcted myocardial tissue, and the results of acetylated RNA immunoprecipitation sequencing (acRIP-seq) analysis suggest that early growth response 3 (EGR3) may be an important molecule in the pathogenesis of NAT10-mediated myocardial fibrosis. Both in vivo and in vitro experiments have shown that inhibition of NAT10 can reduce the expression of EGR3 and alleviate myocardial fibrosis after MI. tsRNA can participate in gene regulation by inhibiting target genes. The expression of tsr007330 was decreased in myocardial infarction tissue. We found that overexpression of tsr007330 in rat myocardial tissue could antagonize NAT10, improve myocardial function in MI and alleviate myocardial fibrosis. In conclusion, tsRNAs (rno-tsr007330) may regulate the occurrence of myocardial fibrosis by regulating NAT10-mediated EGR3 mRNA acetylation. This study provides new insights into the improvement of myocardial fibrosis after MI by targeting tsRNA therapy.
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Affiliation(s)
- Yan Hao
- Harbin Medical University, Harbin, Heilongjiang 150001, China; Department of Cardiology, the fourth affiliated hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China
| | - Bohan Li
- Harbin Medical University, Harbin, Heilongjiang 150001, China
| | - Feiya Yin
- University of Sydney, NSW 2006, Australia
| | - Wei Liu
- Harbin Medical University, Harbin, Heilongjiang 150001, China; Department of Geriatric Cardiovascular Division, Guangdong Provincial Geriatrics Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China.
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2
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Saha S, Mukherjee B, Banerjee P, Das D. The 'Not-So-Famous Five' in tumorigenesis: tRNAs, tRNA fragments, and tRNA epitranscriptome in concert with AARSs and AIMPs. Biochimie 2024; 222:45-62. [PMID: 38401639 DOI: 10.1016/j.biochi.2024.02.004] [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: 08/22/2023] [Revised: 02/01/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
RNA profiling studies have revealed that ∼75% of the human genome is transcribed to RNA but only a meagre fraction of it is translated to proteins. Majority of transcribed RNA constitute a specialized pool of non-coding RNAs. Human genome contains approximately 506 genes encoding a set of 51 different tRNAs, constituting a unique class of non-coding RNAs that not only have essential housekeeping functions as translator molecules during protein synthesis, but have numerous uncharted regulatory functions. Intriguing findings regarding a variety of non-canonical functions of tRNAs, tRNA derived fragments (tRFs), esoteric epitranscriptomic modifications of tRNAs, along with aminoacyl-tRNA synthetases (AARSs) and ARS-interacting multifunctional proteins (AIMPs), envision a 'peripheral dogma' controlling the flow of genetic information in the backdrop of qualitative information wrung out of the long-live central dogma of molecular biology, to drive cells towards either proliferation or differentiation programs. Our review will substantiate intriguing peculiarities of tRNA gene clusters, atypical tRNA-transcription from internal promoters catalysed by another distinct RNA polymerase enzyme, dynamically diverse tRNA epitranscriptome, intricate mechanism of tRNA-charging by AARSs governing translation fidelity, epigenetic regulation of gene expression by tRNA fragments, and the role of tRNAs and tRNA derived/associated molecules as quantitative determinants of the functional proteome, covertly orchestrating the process of tumorigenesis, through a deregulated tRNA-ome mediating selective codon-biased translation of cancer related gene transcripts.
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Affiliation(s)
- Sutapa Saha
- Department of Life Sciences, Presidency University, 86/1, College Street, Kolkata, 700073, WB, India.
| | - Biyas Mukherjee
- Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata, 700064, India
| | - Proma Banerjee
- Department of Life Sciences, Presidency University, 86/1, College Street, Kolkata, 700073, WB, India
| | - Debadrita Das
- Department of Life Sciences, Presidency University, 86/1, College Street, Kolkata, 700073, WB, India
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3
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Lin H, Deng H, Jiang Z, Hua P, Hu S, Ao H, Zhong M, Liu M, Guo G. Microarray analysis of tRNA-derived small RNA (tsRNA) in LPS-challenged macrophages treated with metformin. Gene 2024; 913:148399. [PMID: 38518902 DOI: 10.1016/j.gene.2024.148399] [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: 10/19/2023] [Revised: 03/08/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Abstract
Metformin, a widely used anti-diabetic drug, has demonstrated its efficacy in addressing various inflammatory conditions. tRNA-derived small RNA (tsRNA), a novel type of small non-coding RNA, exhibits diverse regulatory functions and holds promise as both a diagnostic biomarker and a therapeutic target for various diseases. The purpose of this study is to investigate whether the abundance of tsRNAs changed in LPS versus LPS + metformin-treated cells, utilizing microarray technology. Firstly, we established an in vitro lipopolysaccharide (LPS)-induced inflammation model using RAW264.7 macrophages and assessed the protective effects of metformin against inflammatory damage. Subsequently, we extracted total RNA from both LPS-treated and metformin + LPS-treated cell samples for microarray analysis to identify differentially abundant tsRNAs (DA-tsRNAs). Furthermore, we conducted bioinformatics analysis to predict target genes for validated DA-tsRNAs and explore the biological functions and signaling pathways associated with DA-tsRNAs. Notably, metformin was found to inhibit the inflammatory response in RAW264.7 macrophages. The microarray results revealed a total of 247 DA-tsRNAs, with 58 upregulated and 189 downregulated tsRNAs in the Met + LPS group compared to the LPS group. The tsRNA-mRNA network was visualized, shedding light on potential interactions. The results of bioinformatics analysis suggested that these potential targets of specific tsRNAs were mainly related to inflammation and immunity. Our study provides compelling evidence that metformin exerts anti-inflammatory effects and modulates the abundance of tsRNAs in LPS-treated RAW264.7 macrophages. These findings establish a valuable foundation for using tsRNAs as potential biomarkers for metformin in the treatment of inflammatory conditions.
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Affiliation(s)
- Huan Lin
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Hongao Deng
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Zhengying Jiang
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Peng Hua
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Shiqiang Hu
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Haiyong Ao
- Jiangxi Key Laboratory of Nanobiomaterials & School of Materials Science and Engineering, East China Jiaotong University, Nanchang, China
| | - Meiling Zhong
- School of Materials Science and Engineering, East China Jiaotong University, Nanchang, China
| | - Mingzhuo Liu
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China.
| | - Guanghua Guo
- Medical center of Burn plastic and wound repair, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China.
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4
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Chen S, Cai Y, Yang H, Zhang B, Li N, Ren G. PBOX-sRNA-seq uncovers novel features of miRNA modification and identifies selected 5'-tRNA fragments bearing 2'-O-modification. Nucleic Acids Res 2024:gkae537. [PMID: 38908023 DOI: 10.1093/nar/gkae537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 05/17/2024] [Accepted: 06/11/2024] [Indexed: 06/24/2024] Open
Abstract
The concomitant cloning of RNA degradation products is a major concern in standard small RNA-sequencing practices. This not only complicates the characterization of bona fide sRNAs but also hampers cross-batch experimental replicability and sometimes even results in library construction failure. Given that all types of plant canonical small RNAs possess the 3' end 2'-O-methylation modification, a new small RNA sequencing (sRNA-seq) method, designated as PBOX-sRNA-seq, has been developed specifically to capture this modification. PBOX-sRNA-seq, as its name implies, relies on the sequential treatment of RNA samples with phenylboronic acid-polyacrylamide gel electrophoresis (PBA-PAGE) and sodium periodate (NaIO4) oxidation, before sRNA library construction and sequencing. PBOX-sRNA-seq outperformed separate treatments (i.e. PBA-PAGE only or NaIO4 only) in terms of the depletion of unmethylated RNA species and capture 2'-O-modified sRNAs with extra-high purity. Using PBOX-sRNA-seq, we discovered that nascent miRNA-5p/-3p duplexes may undergo mono-cytidylation/uridylation before 2'-O-methylation. We also identified two highly conserved types of 5'-tRNA fragments (tRF) bearing HEN1-independent 2'-O modification (mainly the 13-nt tRF-5aAla and the 26-nt tRF-5bGly). We believe that PBOX-sRNA-seq is powerful for both qualitative and quantitative analyses of sRNAs in plants and piRNAs in animals.
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Affiliation(s)
- Susu Chen
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
- Department of Pharmaceutical Botany, School of Pharmacy, Naval Medical University, Shanghai 200438, China
| | - Yuchen Cai
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Huiru Yang
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Bin Zhang
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Ning Li
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Guodong Ren
- State Key Laboratory of Genetic Engineering, Zhangjiang mRNA Innovation and Translation Center, School of Life Sciences, Fudan University, Shanghai 200438, China
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5
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Lu J, Zhu P, Zhang X, Zeng L, Xu B, Zhou P. tRNA-derived fragments: Unveiling new roles and molecular mechanisms in cancer progression. Int J Cancer 2024. [PMID: 38867475 DOI: 10.1002/ijc.35041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 04/17/2024] [Accepted: 05/07/2024] [Indexed: 06/14/2024]
Abstract
tRNA-derived fragments (tRFs) are novel small noncoding RNAs (sncRNAs) that range from approximately 14 to 50 nt. They are generated by the cleavage of mature tRNAs or precursor tRNAs (pre-tRNAs) at specific sites. Based on their origin and length, tRFs can be classified into three categories: (1) tRF-1 s; (2) tRF-3 s, tRF-5 s, and internal tRFs (i-tRFs); and (3) tRNA halves. They play important roles in stress response, signal transduction, and gene expression processes. Recent studies have identified differential expression of tRFs in various tumors. Aberrantly expressed tRFs have critical clinical value and show promise as new biomarkers for tumor diagnosis and prognosis and as therapeutic targets. tRFs regulate the malignant progression of tumors via various mechanisms, primarily including modulation of noncoding RNA biogenesis, global chromatin organization, gene expression regulation, modulation of protein translation, regulation of epigenetic modification, and alternative splicing regulation. In conclusion, tRF-mediated regulatory pathways could present new avenues for tumor treatment, and tRFs could serve as promising therapeutic targets for cancer therapy.
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Affiliation(s)
- Jingjing Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Clinical Medical Research Center, Affiliated Hospital of Nantong University, Nantong, China
| | - Ping Zhu
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiufen Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Oncology Institute, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Linzi Zeng
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Bujie Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Ping Zhou
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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6
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Wu Y, Ni MT, Wang YH, Wang C, Hou H, Zhang X, Zhou J. Structural basis of translation inhibition by a valine tRNA-derived fragment. Life Sci Alliance 2024; 7:e202302488. [PMID: 38599770 PMCID: PMC11009984 DOI: 10.26508/lsa.202302488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 03/22/2024] [Accepted: 03/22/2024] [Indexed: 04/12/2024] Open
Abstract
Translational regulation by non-coding RNAs is a mechanism commonly used by cells to fine-tune gene expression. A fragment derived from an archaeal valine tRNA (Val-tRF) has been previously identified to bind the small subunit of the ribosome and inhibit translation in Haloferax volcanii Here, we present three cryo-electron microscopy structures of Val-tRF bound to the small subunit of Sulfolobus acidocaldarius ribosomes at resolutions between 4.02 and 4.53 Å. Within these complexes, Val-tRF was observed to bind to conserved RNA-interacting sites, including the ribosomal decoding center. The binding of Val-tRF destabilizes helices h24, h44, and h45 and the anti-Shine-Dalgarno sequence of 16S rRNA. The binding position of this molecule partially overlaps with the translation initiation factor aIF1A and occludes the mRNA P-site codon. Moreover, we found that the binding of Val-tRF is associated with steric hindrance of the H69 base of 23S rRNA in the large ribosome subunit, thereby preventing 70S assembly. Our data exemplify how tRNA-derived fragments bind to ribosomes and provide new insights into the mechanisms underlying translation inhibition by Val-tRFs.
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Affiliation(s)
- Yun Wu
- Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Meng-Ting Ni
- Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Ying-Hui Wang
- Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Chen Wang
- Center for Cryo-Electron Microscopy, Zhejiang University School of Medicine, Hangzhou, China
- Department of Pathology of Sir Run Run Shaw Hospital and Department of Biophysics, Zhejiang University School of Medicine, Hangzhou, China
| | - Hai Hou
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an Shaanxi, China
| | - Xing Zhang
- Center for Cryo-Electron Microscopy, Zhejiang University School of Medicine, Hangzhou, China
- Department of Pathology of Sir Run Run Shaw Hospital and Department of Biophysics, Zhejiang University School of Medicine, Hangzhou, China
| | - Jie Zhou
- Life Sciences Institute, Zhejiang University, Hangzhou, China
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7
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Zhang Y, Gu X, Li Y, Li X, Huang Y, Ju S. Transfer RNA-derived fragment tRF-23-Q99P9P9NDD promotes progression of gastric cancer by targeting ACADSB. J Zhejiang Univ Sci B 2024; 25:438-450. [PMID: 38725342 PMCID: PMC11087185 DOI: 10.1631/jzus.b2300215] [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: 04/06/2023] [Accepted: 08/07/2023] [Indexed: 05/13/2024]
Abstract
Gastric cancer (GC) is one of the most common gastrointestinal tumors. As a newly discovered type of non-coding RNAs, transfer RNA (tRNA)-derived small RNAs (tsRNAs) play a dual biological role in cancer. Our previous studies have demonstrated the potential of tRF-23-Q99P9P9NDD as a diagnostic and prognostic biomarker for GC. In this work, we confirmed for the first time that tRF-23-Q99P9P9NDD can promote the proliferation, migration, and invasion of GC cells in vitro. The dual luciferase reporter gene assay confirmed that tRF-23-Q99P9P9NDD could bind to the 3' untranslated region (UTR) site of acyl-coenzyme A dehydrogenase short/branched chain (ACADSB). In addition, ACADSB could rescue the effect of tRF-23-Q99P9P9NDD on GC cells. Next, we used Gene Ontology (GO), the Kyoto Encyclopedia of Genes and Genomes (KEGG), and Gene Set Enrichment Analysis (GSEA) to find that downregulated ACADSB in GC may promote lipid accumulation by inhibiting fatty acid catabolism and ferroptosis. Finally, we verified the correlation between ACADSB and 12 ferroptosis genes at the transcriptional level, as well as the changes in reactive oxygen species (ROS) levels by flow cytometry. In summary, this study proposes that tRF-23-Q99P9P9NDD may affect GC lipid metabolism and ferroptosis by targeting ACADSB, thereby promoting GC progression. It provides a theoretical basis for the diagnostic and prognostic monitoring value of GC and opens up new possibilities for treatment.
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Affiliation(s)
- Yu Zhang
- Medical School of Nantong University, Nantong University, Nantong 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Xinliang Gu
- Medical School of Nantong University, Nantong University, Nantong 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Yang Li
- Medical School of Nantong University, Nantong University, Nantong 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Xun Li
- Medical School of Nantong University, Nantong University, Nantong 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Yuejiao Huang
- Medical School of Nantong University, Nantong University, Nantong 226001, China.
- Department of Medical Oncology, Affiliated Hospital of Nantong University, Nantong 226001, China.
| | - Shaoqing Ju
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong 226001, China. ,
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Shen Z, Naveed M, Bao J. Untacking small RNA profiling and RNA fragment footprinting: Approaches and challenges in library construction. WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1852. [PMID: 38715192 DOI: 10.1002/wrna.1852] [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: 02/21/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 06/06/2024]
Abstract
Small RNAs (sRNAs) with sizes ranging from 15 to 50 nucleotides (nt) are critical regulators of gene expression control. Prior studies have shown that sRNAs are involved in a broad range of biological processes, such as organ development, tumorigenesis, and epigenomic regulation; however, emerging evidence unveils a hidden layer of diversity and complexity of endogenously encoded sRNAs profile in eukaryotic organisms, including novel types of sRNAs and the previously unknown post-transcriptional RNA modifications. This underscores the importance for accurate, unbiased detection of sRNAs in various cellular contexts. A multitude of high-throughput methods based on next-generation sequencing (NGS) are developed to decipher the sRNA expression and their modifications. Nonetheless, distinct from mRNA sequencing, the data from sRNA sequencing suffer frequent inconsistencies and high variations emanating from the adapter contaminations and RNA modifications, which overall skew the sRNA libraries. Here, we summarize the sRNA-sequencing approaches, and discuss the considerations and challenges for the strategies and methods of sRNA library construction. The pros and cons of sRNA sequencing have significant implications for implementing RNA fragment footprinting approaches, including CLIP-seq and Ribo-seq. We envision that this review can inspire novel improvements in small RNA sequencing and RNA fragment footprinting in future. This article is categorized under: RNA Evolution and Genomics > Computational Analyses of RNA RNA Processing > Processing of Small RNAs Regulatory RNAs/RNAi/Riboswitches > Biogenesis of Effector Small RNAs.
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Affiliation(s)
- Zhaokang Shen
- Department of Obstetrics and Gynecology, Center for Reproduction and Genetics, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Hefei National Laboratory for Physical Sciences at Microscale, Biomedical Sciences and Health Laboratory of Anhui Province, University of Science and Technology of China (USTC), Hefei, Anhui, China
| | - Muhammad Naveed
- Hefei National Laboratory for Physical Sciences at Microscale, Biomedical Sciences and Health Laboratory of Anhui Province, University of Science and Technology of China (USTC), Hefei, Anhui, China
- Department of Obstetrics and Gynecology, Center for Reproduction and Genetics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Jianqiang Bao
- Department of Obstetrics and Gynecology, Center for Reproduction and Genetics, The First Affiliated Hospital of USTC, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Hefei National Laboratory for Physical Sciences at Microscale, Biomedical Sciences and Health Laboratory of Anhui Province, University of Science and Technology of China (USTC), Hefei, Anhui, China
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9
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Kapur M, Molumby MJ, Guzman C, Heinz S, Ackerman SL. Cell-type-specific expression of tRNAs in the brain regulates cellular homeostasis. Neuron 2024; 112:1397-1415.e6. [PMID: 38377989 PMCID: PMC11065635 DOI: 10.1016/j.neuron.2024.01.028] [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: 07/25/2023] [Revised: 12/23/2023] [Accepted: 01/29/2024] [Indexed: 02/22/2024]
Abstract
Defects in tRNA biogenesis are associated with multiple neurological disorders, yet our understanding of these diseases has been hampered by an inability to determine tRNA expression in individual cell types within a complex tissue. Here, we developed a mouse model in which RNA polymerase III is conditionally epitope tagged in a Cre-dependent manner, allowing us to accurately profile tRNA expression in any cell type in vivo. We investigated tRNA expression in diverse nervous system cell types, revealing dramatic heterogeneity in the expression of tRNA genes between populations. We found that while maintenance of levels of tRNA isoacceptor families is critical for cellular homeostasis, neurons are differentially vulnerable to insults to distinct tRNA isoacceptor families. Cell-type-specific translatome analysis suggests that the balance between tRNA availability and codon demand may underlie such differential resilience. Our work provides a platform for investigating the complexities of mRNA translation and tRNA biology in the brain.
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Affiliation(s)
- Mridu Kapur
- Department of Cellular and Molecular Medicine, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA; The Howard Hughes Medical Institute
| | - Michael J Molumby
- Department of Cellular and Molecular Medicine, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA; The Howard Hughes Medical Institute
| | - Carlos Guzman
- Department of Medicine, Division of Endocrinology, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Bioengineering, Bioinformatics & Systems Biology Graduate Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Sven Heinz
- Department of Medicine, Division of Endocrinology, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Bioengineering, Bioinformatics & Systems Biology Graduate Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Susan L Ackerman
- Department of Cellular and Molecular Medicine, University of California, San Diego, School of Medicine, La Jolla, CA 92093, USA; The Howard Hughes Medical Institute; Department of Neurobiology, Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA.
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10
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Muthukumar S, Li CT, Liu RJ, Bellodi C. Roles and regulation of tRNA-derived small RNAs in animals. Nat Rev Mol Cell Biol 2024; 25:359-378. [PMID: 38182846 DOI: 10.1038/s41580-023-00690-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2023] [Indexed: 01/07/2024]
Abstract
A growing class of small RNAs, known as tRNA-derived RNAs (tdRs), tRNA-derived small RNAs or tRNA-derived fragments, have long been considered mere intermediates of tRNA degradation. These small RNAs have recently been implicated in an evolutionarily conserved repertoire of biological processes. In this Review, we discuss the biogenesis and molecular functions of tdRs in mammals, including tdR-mediated gene regulation in cell metabolism, immune responses, transgenerational inheritance, development and cancer. We also discuss the accumulation of tRNA-derived stress-induced RNAs as a distinct adaptive cellular response to pathophysiological conditions. Furthermore, we highlight new conceptual advances linking RNA modifications with tdR activities and discuss challenges in studying tdR biology in health and disease.
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Affiliation(s)
- Sowndarya Muthukumar
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Cai-Tao Li
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Ru-Juan Liu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Cristian Bellodi
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden.
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11
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Zhou M, He X, Zhang J, Mei C, Zhong B, Ou C. tRNA-derived small RNAs in human cancers: roles, mechanisms, and clinical application. Mol Cancer 2024; 23:76. [PMID: 38622694 PMCID: PMC11020452 DOI: 10.1186/s12943-024-01992-2] [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: 01/03/2024] [Accepted: 04/02/2024] [Indexed: 04/17/2024] Open
Abstract
Transfer RNA (tRNA)-derived small RNAs (tsRNAs) are a new type of non-coding RNAs (ncRNAs) produced by the specific cleavage of precursor or mature tRNAs. tsRNAs are involved in various basic biological processes such as epigenetic, transcriptional, post-transcriptional, and translation regulation, thereby affecting the occurrence and development of various human diseases, including cancers. Recent studies have shown that tsRNAs play an important role in tumorigenesis by regulating biological behaviors such as malignant proliferation, invasion and metastasis, angiogenesis, immune response, tumor resistance, and tumor metabolism reprogramming. These may be new potential targets for tumor treatment. Furthermore, tsRNAs can exist abundantly and stably in various bodily fluids (e.g., blood, serum, and urine) in the form of free or encapsulated extracellular vesicles, thereby affecting intercellular communication in the tumor microenvironment (TME). Meanwhile, their abnormal expression is closely related to the clinicopathological features of tumor patients, such as tumor staging, lymph node metastasis, and poor prognosis of tumor patients; thus, tsRNAs can be served as a novel type of liquid biopsy biomarker. This review summarizes the discovery, production, and expression of tsRNAs and analyzes their molecular mechanisms in tumor development and potential applications in tumor therapy, which may provide new strategies for early diagnosis and targeted therapy of tumors.
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Affiliation(s)
- Manli Zhou
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Xiaoyun He
- Departments of Ultrasound Imaging, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Jing Zhang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Cheng Mei
- Department of Blood Transfusion, Xiangya Hospital, Clinical Transfusion Research Center, Central South University, Changsha, Hunan, 410008, China.
| | - Baiyun Zhong
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
| | - Chunlin Ou
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
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12
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Chen Q, Li D, Jiang L, Wu Y, Yuan H, Shi G, Liu F, Wu P, Jiang K. Biological functions and clinical significance of tRNA-derived small fragment (tsRNA) in tumors: Current state and future perspectives. Cancer Lett 2024; 587:216701. [PMID: 38369004 DOI: 10.1016/j.canlet.2024.216701] [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: 10/10/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/20/2024]
Abstract
A new class of noncoding RNAs, tsRNAs are not only abundant in humans but also have high tissue specificity. Recently, an increasing number of studies have explored the correlations between tsRNAs and tumors, showing that tsRNAs can affect biological behaviors of tumor cells, such as proliferation, apoptosis and metastasis, by modulating protein translation, RNA transcription or posttranscriptional regulation. In addition, tsRNAs are widely distributed and stably expressed, which endows them with broad application prospects in diagnosing and predicting the prognosis of tumors, and they are expected to become new biomarkers. However, notably, the current research on tsRNAs still faces problems that need to be solved. In this review, we describe the characteristics of tsRNAs as well as their unique features and functions in tumors. Moreover, we also discuss the potential opportunities and challenges in clinical applications and research of tsRNAs.
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Affiliation(s)
- Qun Chen
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Danrui Li
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Luyang Jiang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yang Wu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hao Yuan
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Guodong Shi
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Fengyuan Liu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Pengfei Wu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
| | - Kuirong Jiang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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13
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Akiyama Y, Ivanov P. Oxidative Stress, Transfer RNA Metabolism, and Protein Synthesis. Antioxid Redox Signal 2024; 40:715-735. [PMID: 37767630 PMCID: PMC11001508 DOI: 10.1089/ars.2022.0206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 09/29/2023]
Abstract
Significance: Oxidative stress refers to excessive intracellular levels of reactive oxygen species (ROS) due to an imbalance between ROS production and the antioxidant defense system. Under oxidative stress conditions, cells trigger various stress response pathways to protect themselves, among which repression of messenger RNA (mRNA) translation is one of the key hallmarks promoting cell survival. This regulation process minimizes cellular energy consumption, enabling cells to survive in adverse conditions and to promote recovery from stress-induced damage. Recent Advances: Recent studies suggest that transfer RNAs (tRNAs) play important roles in regulating translation as a part of stress response under adverse conditions. In particular, research relying on high-throughput techniques such as next-generation sequencing and mass spectrometry approaches has given us detailed information on mechanisms such as individual tRNA dynamics and crosstalk among post-transcriptional modifications. Critical Issues: Oxidative stress leads to dynamic tRNA changes, including their localization, cleavage, and alteration of expression profiles and modification patterns. Growing evidence suggests that these changes not only are tightly regulated by stress response mechanisms, but also can directly fine-tune the translation efficiency, which contributes to cell- or tissue-specific response to oxidative stress. Future Directions: In this review, we describe recent advances in the understanding of the dynamic changes of tRNAs caused by oxidative stress. We also highlight the emerging roles of tRNAs in translation regulation under the condition of oxidative stress. In addition, we discuss future perspectives in this research field. Antioxid. Redox Signal. 40, 715-735.
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Affiliation(s)
- Yasutoshi Akiyama
- Laboratory of Oncology, Pharmacy Practice and Sciences, Tohoku University Graduate School of Pharmaceutical Sciences, Sendai, Japan
| | - Pavel Ivanov
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
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14
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Xiong Q, Zhang Y, Xu Y, Yang Y, Zhang Z, Zhou Y, Zhang S, Zhou L, Wan X, Yang X, Zeng Z, Liu J, Zheng Y, Han J, Zhu Q. tiRNA-Val-CAC-2 interacts with FUBP1 to promote pancreatic cancer metastasis by activating c‑MYC transcription. Oncogene 2024; 43:1274-1287. [PMID: 38443680 PMCID: PMC11035144 DOI: 10.1038/s41388-024-02991-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/07/2024]
Abstract
Cumulative studies have established the significance of transfer RNA-derived small RNA (tsRNA) in tumorigenesis and progression. Nevertheless, its function and mechanism in pancreatic cancer metastasis remain largely unclear. Here, we screened and identified tiRNA-Val-CAC-2 as highly expressed in pancreatic cancer metastasis samples by tsRNA sequencing. We also observed elevated levels of tiRNA-Val-CAC-2 in the serum of pancreatic cancer patients who developed metastasis, and patients with high levels of tiRNA-Val-CAC-2 exhibited a worse prognosis. Additionally, knockdown of tiRNA-Val-CAC-2 inhibited the metastasis of pancreatic cancer in vivo and in vitro, while overexpression of tiRNA-Val-CAC-2 promoted the metastasis of pancreatic cancer. Mechanically, we discovered that tiRNA-Val-CAC-2 interacts with FUBP1, leading to enhanced stability of FUBP1 protein and increased FUBP1 enrichment in the c-MYC promoter region, thereby boosting the transcription of c-MYC. Of note, rescue experiments confirmed that tiRNA-Val-CAC-2 could influence pancreatic cancer metastasis via FUBP1-mediated c-MYC transcription. These findings highlight a potential novel mechanism underlying pancreatic cancer metastasis, and suggest that both tiRNA-Val-CAC-2 and FUBP1 could serve as promising prognostic biomarkers and potential therapeutic targets for pancreatic cancer.
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Affiliation(s)
- Qunli Xiong
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yaguang Zhang
- Department of Biotherapy, Cancer Center and State Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yongfeng Xu
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yang Yang
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhiwei Zhang
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ying Zhou
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Su Zhang
- Department of Biotherapy, Cancer Center and State Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lian Zhou
- Department of Biotherapy, Cancer Center and State Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaowen Wan
- Department of Biotherapy, Cancer Center and State Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaojuan Yang
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhu Zeng
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinlu Liu
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ying Zheng
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Junhong Han
- Department of Biotherapy, Cancer Center and State Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Qing Zhu
- Division of Abdominal Tumor Multimodality Treatment, Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China.
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15
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Tang X, Wu J, Chen Y, Wang D, Wang T, Weng Y, Zhu Z, Peng R, Wang Y, Yan F. Evaluation of 5'-tRF-His-GTG As a Molecular Biomarker in Breast Cancer Diagnoses and Prognosis. Cancer Biother Radiopharm 2024. [PMID: 38527246 DOI: 10.1089/cbr.2023.0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024] Open
Abstract
Background: Breast cancer (BC) is the most prevalent cancer among women worldwide. Although advances have been made in the identification of predictive biomarkers, current options for early diagnosis and prognostic analysis are still suboptimal. Recently, transfer-RNA-derived RNA fragments (tRFs) have emerged as a class of small noncoding RNAs that play a role in the cancer progression. The authors aimed to identify a specific class of tRFs as a molecular marker for BC diagnosis and prognosis in clinical management. Methods: The levels of 5'-tRF-His-GTG were quantified in BC tissue (n = 101) and inflammatory normal breast tissue (n = 22) using in situ hybridization. Clinicopathological parameters were obtained, including age, tumor node metastasis stage, hormone receptor status, histopathological grade, lymphovascular invasion, and recurrence. The correlation between the expression of 5'-tRF-His-GTG and these parameters in different BC subtypes was analyzed. Patient death and cancer progression were regarded as clinical endpoints in the survival analysis. Gene Ontology (GO) enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were also performed to predict the involvement in pivotal biological process. Results: The expression of 5'-tRF-His-GTG was significantly downregulated in BC tissues and was in connection with T stage in human epidermal growth factor 2-positive and basal-like BC, as well as N stage and histopathological grade in luminal BC. Patients with low expression of 5'-tRF-His-GTG had a poor overall survival rate. Statistics of GO and KEGG pathway revealed that cation channel activity, protein catabolic process, response to temperature stimulus, cell cycle, focal adhesion, and glycerophospholipid metabolism were significantly enriched. Conclusions: This study suggests that the assessment of 5'-tRF-His-GTG expression could serve as a novel biomarker for individual diagnosis and prognosis in BC.
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Affiliation(s)
- Xun Tang
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Jun Wu
- Department of Clinical Laboratory, The Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China
| | - Yan Chen
- Department of Pathology, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Daojuan Wang
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
| | - Tingyu Wang
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
| | - Yajing Weng
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
| | - Zhengquan Zhu
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
| | - Rui Peng
- Department of General Surgery, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Yong Wang
- State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Department of Division of Anatomy and Histo-embryology, Medical School of Nanjing University, Nanjing, China
- Nanjing University (Suzhou) High-tech Institute, Suzhou Industrial Park, Nanjing University, Nanjing, China
| | - Feng Yan
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University and Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
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16
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Kaur J, Sharma A, Mundlia P, Sood V, Pandey A, Singh G, Barnwal RP. RNA-Small-Molecule Interaction: Challenging the "Undruggable" Tag. J Med Chem 2024. [PMID: 38498010 DOI: 10.1021/acs.jmedchem.3c01354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
RNA targeting, specifically with small molecules, is a relatively new and rapidly emerging avenue with the promise to expand the target space in the drug discovery field. From being "disregarded" as an "undruggable" messenger molecule to FDA approval of an RNA-targeting small-molecule drug Risdiplam, a radical change in perspective toward RNA has been observed in the past decade. RNAs serve important regulatory functions beyond canonical protein synthesis, and their dysregulation has been reported in many diseases. A deeper understanding of RNA biology reveals that RNA molecules can adopt a variety of structures, carrying defined binding pockets that can accommodate small-molecule drugs. Due to its functional diversity and structural complexity, RNA can be perceived as a prospective target for therapeutic intervention. This perspective highlights the proof of concept of RNA-small-molecule interactions, exemplified by targeting of various transcripts with functional modulators. The advent of RNA-oriented knowledge would help expedite drug discovery.
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Affiliation(s)
- Jaskirat Kaur
- Department of Biophysics, Panjab University, Chandigarh 160014, India
| | - Akanksha Sharma
- Department of Biophysics, Panjab University, Chandigarh 160014, India
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Poonam Mundlia
- Department of Biophysics, Panjab University, Chandigarh 160014, India
| | - Vikas Sood
- Department of Biochemistry, Jamia Hamdard, New Delhi 110062, India
| | - Ankur Pandey
- Department of Chemistry, Panjab University, Chandigarh 160014, India
| | - Gurpal Singh
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
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17
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Xu T, Yuan J, Song F, Zhang N, Gao C, Chen Z. Exploring the functional role of tRF-39-8HM2OSRNLNKSEKH9 in hepatocellular carcinoma. Heliyon 2024; 10:e27153. [PMID: 38455567 PMCID: PMC10918225 DOI: 10.1016/j.heliyon.2024.e27153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 02/14/2024] [Accepted: 02/26/2024] [Indexed: 03/09/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is associated with high morbidity and mortality globally. tRNA-derived small RNAs (tsRNAs) have emerged as potential targets for cancer treatment. However, the specific impact of tsRNAs on HCC remains undiscovered. In this study, we aimed to investigate the biological significance of tsRNAs in HCC. First, we screened the differentially expressed tsRNAs in HCC tissues and normal tissues adjacent to the tumor (NAT) using high-throughput sequencing and the results showed that tRF-39-8HM2OSRNLNKSEKH9 was more highly expressed in HCC tissues than NATs. Agarose gel electrophoresis (AGE), nuclear-cytoplasmic separation assays and fluorescence in situ hybridization (FISH) were employed to assess the characterization of tRF-39-8HM2OSRNLNKSEKH9. The relationship between the expression of tRF-39-8HM2OSRNLNKSEKH9 and clinicopathological parameters was evaluated and we found that it was positively associated with tumor size. The cell counting kit-8 (CCK8) assay, colony formation assay and EdU staining assay were employed to investigate the role of tRF-39-8HM2OSRNLNKSEKH9 in the proliferation of HCC cells. Additionally, transwell assays demonstrated that overexpression of tRF-39-8HM2OSRNLNKSEKH9 could accelerate cell migration capability. Taken together, tRF-39-8HM2OSRNLNKSEKH9 was highly expressed in HCC cells, serum and tissues, and it may play an oncogenic role in HCC cells through interacting with downstream mRNA targets.
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Affiliation(s)
- Tianxin Xu
- Department of General Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Jie Yuan
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Fei Song
- Department of General Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Nannan Zhang
- Department of General Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Cheng Gao
- Department of General Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
| | - Zhong Chen
- Department of General Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, China
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18
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Zhang Q, Zhao X, Sun M, Dong D. Novel insights into transfer RNA-derived small RNA (tsRNA) in cardio-metabolic diseases. Life Sci 2024; 341:122475. [PMID: 38309576 DOI: 10.1016/j.lfs.2024.122475] [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: 10/13/2023] [Revised: 01/19/2024] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
Cardio-metabolic diseases, including a cluster of metabolic disorders and their secondary affections on cardiovascular physiology, are gradually brought to the forefront by researchers due to their high prevalence and mortality, as well as an unidentified pathogenesis. tRNA-derived small RNAs (tsRNAs), cleaved by several specific enzymes and once considered as some "metabolic junks" in the past, have been proved to possess numerous functions in human bodies. More interestingly, such a potential also seems to influence the progression of cardio-metabolic diseases to some extent. In this review, the biogenesis, classification and mechanisms of tsRNAs will be discussed based on some latest studies, and their relations with several cardio-metabolic diseases will be highlighted in sequence. Lastly, some future prospects, such as their clinical applications as biomarkers and therapeutic targets will also be mentioned, in order to provide researchers with a comprehensive understanding of the research status of tsRNAs as well as its association with cardio-metabolic diseases, thus presenting as a beacon to indicate directions for the next stage of study.
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Affiliation(s)
- Qingya Zhang
- Innovation Institute, China Medical University, Shenyang 110122, Liaoning, China
| | - Xiaopeng Zhao
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, Liaoning, China
| | - Mingli Sun
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, Liaoning, China
| | - Dan Dong
- College of Basic Medical Science, China Medical University, Shenyang 110122, Liaoning, China.
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19
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Zhao Y, Wang K, Zhao C, Liu N, Wang Z, Yang W, Cheng Z, Zhou L, Wang K. The function of tRNA-derived small RNAs in cardiovascular diseases. MOLECULAR THERAPY. NUCLEIC ACIDS 2024; 35:102114. [PMID: 38314096 PMCID: PMC10835008 DOI: 10.1016/j.omtn.2024.102114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
tRNA-derived small RNAs (tsRNAs) constitute a subgroup of small noncoding RNAs (ncRNAs) originating from tRNA molecules. Their rich content, evolutionary conservatism, high stability, and widespread existence makes them significant in disease research. These characteristics have positioned tsRNAs as key players in various physiological and pathological processes. tsRNA actively participates in regulating many cellular processes, such as cell death, proliferation, and metabolism. tsRNAs could be promising diagnostic markers for cardiovascular diseases (CVDs). tsRNAs have been identified in serums, suggesting their utility as early indicators for the diagnosis of CVDs. Moreover, the regulatory roles of tsRNAs in CVDs make them promising targets for therapeutic intervention. This review provides a succinct overview of the characteristics, classification, and regulatory functions of tsRNAs in the context of CVDs. By shedding light on the intricate roles of tsRNAs, this knowledge could pave the way for the development of innovative diagnostic tools and therapeutic strategies for CVDs.
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Affiliation(s)
- Yan Zhao
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Kai Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Chun Zhao
- College of Biology, Hunan University, Changsha 410082, P.R. China
| | - Ning Liu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Zhihong Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Wenting Yang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Zewei Cheng
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
| | - Luyu Zhou
- College of Biology, Hunan University, Changsha 410082, P.R. China
| | - Kun Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao 266021, P.R. China
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20
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Huang T, Zhao Y, Jiang G, Yang Z. tsRNA: A Promising Biomarker in Breast Cancer. J Cancer 2024; 15:2613-2626. [PMID: 38577588 PMCID: PMC10988313 DOI: 10.7150/jca.93531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 02/29/2024] [Indexed: 04/06/2024] Open
Abstract
tRNA-derived small RNAs (tsRNAs) are a novel class of non-coding small RNAs, generated from specific cleavage sites of tRNA or pre-tRNA. tsRNAs can directly participate in RNA silencing, transcription, translation, and other processes. Their dysregulation is closely related to the occurrence and development of various cancers. Breast cancer is one of the most common and fastest-growing malignant tumors in humans. tsRNAs have been found to be dysregulated in breast cancer, serving as a new target for exploring the pathogenesis of breast cancer. They are also considered new tumor markers, providing a basis for diagnosis and treatment. This article reviews the generation, classification, mechanism of action, function of tsRNAs, and their biological effects and related mechanisms in breast cancer, in the hope of providing a new direction for the diagnosis and treatment of breast cancer.
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Affiliation(s)
- Ting Huang
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
| | - Yuexin Zhao
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
| | - Guoqin Jiang
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
| | - Zhixue Yang
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
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21
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Tan L, Wu X, Tang Z, Chen H, Cao W, Wen C, Zou G, Zou H. The tsRNAs (tRFdb-3013a/b) serve as novel biomarkers for colon adenocarcinomas. Aging (Albany NY) 2024; 16:4299-4326. [PMID: 38451187 DOI: 10.18632/aging.205590] [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: 07/13/2023] [Accepted: 01/24/2024] [Indexed: 03/08/2024]
Abstract
The tsRNAs (tRNA-derived small RNAs) are a novel class of small non-coding RNAs derived from transfer-RNAs. Colon adenocarcinoma (COAD) is the most malignant intestinal tumor. This study focused on the identification and characterization of tsRNA biomarkers in colon adenocarcinomas. Data processing and bioinformatic analyses were performed with the packages of R and Python software. The cell proliferation, migration and invasion abilities were determined by CCK-8 and transwell assays. Luciferase reporter assay was used to test the binding of tsRNA with its target genes. With computational methods, we identified the tRNA fragments profiles within COAD datasets, and discriminated forty-two differentially expressed tsRNAs between paired colon adenocarcinomas and non-tumor controls. Among the fragments derived from the 3' end of tRNA-His-GUG (a histidyl-transfer-RNA), tRFdb-3013a and tRFdb-3013b (tRFdb-3013a/b) were notably decreased in colon and rectum adenocarcinomas, especially, tRFdb-3013a/b might tend to be down-regulated in patients with lymphatic or vascular invasion present. The clinical survival of colorectal adenocarcinoma patients with low tRFdb-3013a/b expression was significantly worse than that of high expression patients. In colon adenocarcinoma cells, tRFdb-3013a could have inhibited cell proliferations, and reduced cell migration and invasion abilities. The enrichment analyses showed that most of tRFdb-3013a correlated-genes were enriched in the extracellular matrix associated GO terms, phagosome pathway, and a GSEA molecular signature pathway. Additionally, the 3'UTR of ST3GAL1 mRNA was predicted to contain the binding site of tRFdb-3013a/b, tRFdb-3013a/b might directly target and regulate ST3GAL1 expression in colon adenocarcinomas. These results suggested that tRFdb-3013a/b might serve as novel biomarkers for diagnosis and prognosis of colon adenocarcinomas, and act a key player in the progression of colon adenocarcinomas.
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Affiliation(s)
- Lihong Tan
- Chongqing Medical and Pharmaceutical College, Chongqing 401331, China
| | - Xiaoling Wu
- Chongqing Medical and Pharmaceutical College, Chongqing 401331, China
| | - Zhurong Tang
- Chongqing Medical University, Chongqing 400016, China
| | - Huan Chen
- Yueyang Hospital of Traditional Chinese Medicine, Yueyang 414000, China
- Chongqing Medical University, Chongqing 400016, China
| | - Weiguo Cao
- Chongqing Medical University, Chongqing 400016, China
| | - Chunjie Wen
- Chongqing Medical University, Chongqing 400016, China
| | - Guojun Zou
- Yueyang Hospital of Traditional Chinese Medicine, Yueyang 414000, China
| | - Hecun Zou
- Chongqing Medical University, Chongqing 400016, China
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22
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Salehi M, Kamali MJ, Rajabzadeh A, Minoo S, Mosharafi H, Saeedi F, Daraei A. tRNA-derived fragments: Key determinants of cancer metastasis with emerging therapeutic and diagnostic potentials. Arch Biochem Biophys 2024; 753:109930. [PMID: 38369227 DOI: 10.1016/j.abb.2024.109930] [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: 12/28/2023] [Revised: 02/12/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
Metastasis is a significant clinical challenge responsible for cancer mortality and non-response to treatment. However, the molecular mechanisms driving metastasis remain unclear, limiting the development of efficient diagnostic and therapeutic approaches. Recent breakthroughs in cancer biology have discovered a group of small non-coding RNAs called tRNA-derived fragments (tRFs), which play a critical role in the metastatic behavior of various tumors. tRFs are produced from cleavage modifications of tRNAs and have different functional classes based on the pattern of these modifications. They perform post-transcriptional regulation through microRNA-like functions, displacing RNA-binding proteins, and play a role in translational regulation by inducing ribosome synthesis, translation initiation, and epigenetic regulation. Tumor cells manipulate tRFs to develop and survive the tumor mass, primarily by inducing metastasis. Multiple studies have demonstrated the potential of tRFs as therapeutic, diagnostic, and prognostic targets for tumor metastasis. This review discusses the production and function of tRFs in cells, their aberrant molecular contributions to the metastatic environment, and their potential as promising targets for anti-metastasis treatment strategies.
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Affiliation(s)
- Mohammad Salehi
- Department of Medical Genetics, School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran; Student Research Committee, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohammad Javad Kamali
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Aliakbar Rajabzadeh
- Department of Anatomical Sciences, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Shima Minoo
- Department of Dentistry, Khorasgan Branch, Islamic Azad University, Isfahan, Iran
| | | | - Fatemeh Saeedi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Abdolreza Daraei
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
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23
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Xiong Y, Shi L, Zhang M, Zhou C, Mao Y, Hong Z, Wang Z, Ma L. Differential expression of tsRNAs and miRNAs in embryo culture medium: potential impact on embryo implantation. J Assist Reprod Genet 2024; 41:781-793. [PMID: 38270749 PMCID: PMC10957807 DOI: 10.1007/s10815-024-03034-8] [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: 08/30/2023] [Accepted: 01/15/2024] [Indexed: 01/26/2024] Open
Abstract
PURPOSE Can small RNA derived from embryos in conditioned embryo culture medium (ECM) influence embryo implantation? METHODS We employed small RNA sequencing to investigate the expression profiles of transfer RNA-derived small RNA (tsRNA) and microRNA (miRNA) in ECM from high-quality and low-quality embryos. Quantitative real-time PCR was employed to validate the findings of small RNA sequencing. Additionally, we conducted bioinformatics analysis to predict the potential functions of these small RNAs in embryo implantation. To establish the role of tiRNA-1:35-Leu-TAG-2 in embryonic trophoblast cell adhesion, we utilized co-culture systems involving JAR and Ishikawa cells. RESULTS Our analysis revealed upregulation of nine tsRNAs and four miRNAs in ECM derived from high-quality embryos, whereas 37 tsRNAs and 12 miRNAs exhibited upregulation in ECM from low-quality embryos. The bioinformatics analysis of tsRNA, miRNA, and mRNA pathways indicated that their respective target genes may play pivotal roles in both embryo development and endometrial receptivity. Utilizing tiRNA mimics, we demonstrated that the prominently expressed tiRNA-1:35-Leu-TAG-2 in the low-quality ECM group can be internalized by Ishikawa cells. Notably, transfection of tiRNA-1:35-Leu-TAG-2 into Ishikawa cells reduced the attachment rate of JAR spheroids. CONCLUSION Our investigation uncovers significant variation in the expression profiles of tsRNAs and miRNAs between ECM derived from high- and low-quality embryos. Intriguingly, the release of tiRNA-1:35-Leu-TAG-2 by low-quality embryos detrimentally affects embryo implantation and endometrial receptivity. These findings provide fresh insights into understanding the molecular foundations of embryo-endometrial communication.
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Affiliation(s)
- Yao Xiong
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
- Wuhan Clinical Research Center for Reproductive Science and Birth Health, Wuhan, Hubei Province, 430071, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Lei Shi
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Ming Zhang
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Chun Zhou
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Yanhong Mao
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Zhidan Hong
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Zihan Wang
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China
- Wuhan Clinical Research Center for Reproductive Science and Birth Health, Wuhan, Hubei Province, 430071, People's Republic of China
- Hubei Clinical Research Center for Prenatal Diagnosis and Birth Health, Wuhan, Hubei Province, 430071, People's Republic of China
| | - Ling Ma
- Center for Reproductive Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, 430071, People's Republic of China.
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24
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Zhang Y, Gu X, Li Y, Huang Y, Ju S. Multiple regulatory roles of the transfer RNA-derived small RNAs in cancers. Genes Dis 2024; 11:597-613. [PMID: 37692525 PMCID: PMC10491922 DOI: 10.1016/j.gendis.2023.02.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/20/2023] [Indexed: 09/12/2023] Open
Abstract
With the development of sequencing technology, transfer RNA (tRNA)-derived small RNAs (tsRNAs) have received extensive attention as a new type of small noncoding RNAs. Based on the differences in the cleavage sites of nucleases on tRNAs, tsRNAs can be divided into two categories, tRNA halves (tiRNAs) and tRNA-derived fragments (tRFs), each with specific subcellular localizations. Additionally, the biogenesis of tsRNAs is tissue-specific and can be regulated by tRNA modifications. In this review, we first elaborated on the classification and biogenesis of tsRNAs. After summarizing the latest mechanisms of tsRNAs, including transcriptional gene silencing, post-transcriptional gene silencing, nascent RNA silencing, translation regulation, rRNA regulation, and reverse transcription regulation, we explored the representative biological functions of tsRNAs in tumors. Furthermore, this review summarized the clinical value of tsRNAs in cancers, thus providing theoretical support for their potential as novel biomarkers and therapeutic targets.
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Affiliation(s)
- Yu Zhang
- Medical School of Nantong University, Nantong University, Nantong, Jiangsu 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
| | - Xinliang Gu
- Medical School of Nantong University, Nantong University, Nantong, Jiangsu 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
| | - Yang Li
- Medical School of Nantong University, Nantong University, Nantong, Jiangsu 226001, China
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
| | - Yuejiao Huang
- Medical School of Nantong University, Nantong University, Nantong, Jiangsu 226001, China
- Department of Medical Oncology, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
| | - Shaoqing Ju
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, China
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25
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Bryant CJ, McCool MA, Rosado González G, Abriola L, Surovtseva Y, Baserga S. Discovery of novel microRNA mimic repressors of ribosome biogenesis. Nucleic Acids Res 2024; 52:1988-2011. [PMID: 38197221 PMCID: PMC10899765 DOI: 10.1093/nar/gkad1235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 12/03/2023] [Accepted: 12/16/2023] [Indexed: 01/11/2024] Open
Abstract
While microRNAs and other non-coding RNAs are the next frontier of novel regulators of mammalian ribosome biogenesis (RB), a systematic exploration of microRNA-mediated RB regulation has not yet been undertaken. We carried out a high-content screen in MCF10A cells for changes in nucleolar number using a library of 2603 mature human microRNA mimics. Following a secondary screen for nucleolar rRNA biogenesis inhibition, we identified 72 novel microRNA negative regulators of RB after stringent hit calling. Hits included 27 well-conserved microRNAs present in MirGeneDB, and were enriched for mRNA targets encoding proteins with nucleolar localization or functions in cell cycle regulation. Rigorous selection and validation of a subset of 15 microRNA hits unexpectedly revealed that most of them caused dysregulated pre-rRNA processing, elucidating a novel role for microRNAs in RB regulation. Almost all hits impaired global protein synthesis and upregulated CDKN1A (p21) levels, while causing diverse effects on RNA Polymerase 1 (RNAP1) transcription and TP53 protein levels. We provide evidence that the MIR-28 siblings, hsa-miR-28-5p and hsa-miR-708-5p, potently target the ribosomal protein mRNA RPS28 via tandem primate-specific 3' UTR binding sites, causing a severe pre-18S pre-rRNA processing defect. Our work illuminates novel microRNA attenuators of RB, forging a promising new path for microRNA mimic chemotherapeutics.
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Affiliation(s)
- Carson J Bryant
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, 06520, USA
| | - Mason A McCool
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, 06520, USA
| | | | - Laura Abriola
- Yale Center for Molecular Discovery, Yale University, West Haven, CT, 06516, USA
| | - Yulia V Surovtseva
- Yale Center for Molecular Discovery, Yale University, West Haven, CT, 06516, USA
| | - Susan J Baserga
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, 06520, USA
- Department of Genetics, Yale School of Medicine, New Haven, CT, 06520, USA
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT, 06520, USA
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26
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La Ferlita A, Alaimo S, Nigita G, Distefano R, Beane JD, Tsichlis PN, Ferro A, Croce CM, Pulvirenti A. tRFUniverse: A comprehensive resource for the interactive analyses of tRNA-derived ncRNAs in human cancer. iScience 2024; 27:108810. [PMID: 38303722 PMCID: PMC10831894 DOI: 10.1016/j.isci.2024.108810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/02/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024] Open
Abstract
tRNA-derived ncRNAs are a heterogeneous class of non-coding RNAs recently proposed to be active regulators of gene expression and be involved in many diseases, including cancer. Consequently, several online resources on tRNA-derived ncRNAs have been released. Although interesting, such resources present only basic features and do not adequately exploit the wealth of knowledge available about tRNA-derived ncRNAs. Therefore, we introduce tRFUniverse, a novel online resource for the analysis of tRNA-derived ncRNAs in human cancer. tRFUniverse presents an extensive collection of classes of tRNA-derived ncRNAs analyzed across all the TCGA and TARGET tumor cohorts, NCI-60 cell lines, and biological fluids. Moreover, public AGO CLASH/CLIP-Seq data were analyzed to identify the molecular interactions between tRNA-derived ncRNAs and other transcripts. Importantly, tRFUniverse combines in a single resource a comprehensive set of features that we believe may be helpful to investigate the involvement of tRNA-derived ncRNAs in cancer biology.
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Affiliation(s)
- Alessandro La Ferlita
- Department of Cancer Biology and Genetics, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Salvatore Alaimo
- Department of Clinical and Experimental Medicine, Knowmics Lab, University of Catania, Catania, Italy
| | - Giovanni Nigita
- Department of Cancer Biology and Genetics, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Rosario Distefano
- Department of Cancer Biology and Genetics, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Joal D. Beane
- Department of Surgery, Division of Surgical Oncology, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Philip N. Tsichlis
- Department of Cancer Biology and Genetics, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Alfredo Ferro
- Department of Clinical and Experimental Medicine, Knowmics Lab, University of Catania, Catania, Italy
| | - Carlo M. Croce
- Department of Cancer Biology and Genetics, The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Alfredo Pulvirenti
- Department of Clinical and Experimental Medicine, Knowmics Lab, University of Catania, Catania, Italy
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27
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He H, Wang Y, Zhang X, Li X, Liu C, Yan D, Deng H, Sun W, Yi C, Wang J. Age-related noncanonical TRMT6-TRMT61A signaling impairs hematopoietic stem cells. NATURE AGING 2024; 4:213-230. [PMID: 38233630 DOI: 10.1038/s43587-023-00556-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 12/15/2023] [Indexed: 01/19/2024]
Abstract
Aged hematopoietic stem cells (HSCs) exhibit compromised reconstitution capacity and differentiation bias toward myeloid lineages. However, the molecular mechanism behind HSC aging remains largely unknown. In this study, we observed that RNA N1-methyladenosine-generating methyltransferase TRMT6-TRMT61A complex is increased in aged murine HSCs due to aging-declined CRL4DCAF1-mediated ubiquitination degradation signaling. Unexpectedly, no difference of tRNA N1-methyladenosine methylome is observed between young and aged hematopoietic stem and progenitor cells, suggesting a noncanonical role of the TRMT6-TRMT61A complex in the HSC aging process. Further investigation revealed that enforced TRMT6-TRMT61A impairs HSCs through 3'-tiRNA-Leu-CAG and subsequent RIPK1-RIPK3-MLKL-mediated necroptosis cascade. Deficiency of necroptosis ameliorates the self-renewal capacity of HSCs and counters the physiologically deleterious effect of enforced TRMT6-TRMT61A on HSCs. Together, our work uncovers a nonclassical role for the TRMT6-TRMT61A complex in HSC aging and highlights a therapeutic target.
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Affiliation(s)
- Hanqing He
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Yuqian Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Xiaoting Zhang
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, China
| | - Xiaoyu Li
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, China
| | - Chao Liu
- Department of Laboratory Animal Science, Hebei Key Lab of Hebei Laboratory Animal Science, Hebei Medical University, Shijiazhuang, P. R. China
| | - Dingfei Yan
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Wanling Sun
- Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Chengqi Yi
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, China.
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China.
| | - Jianwei Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
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28
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Liang C, Zhou J, Wang Y, Sun Y, Zhou J, Shao L, Zhang Z, Yan W, Liu Z, Dong Y. Essential genes analysis reveals small ribosomal subunit protein eS28 may be a prognostic factor and potential vulnerability in osteosarcoma. J Bone Oncol 2024; 44:100517. [PMID: 38204480 PMCID: PMC10776981 DOI: 10.1016/j.jbo.2023.100517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/26/2023] [Accepted: 12/13/2023] [Indexed: 01/12/2024] Open
Abstract
Background Osteosarcoma, the most common primary malignant bone tumor, is currently treated with surgery combined with chemotherapy, but the limited availability of targeted drugs contributes to a poor prognosis. Identifying effective therapeutic targets is crucial for improving the prognosis of osteosarcoma patients. Methods We screened the DepMap database to identify essential genes as potential therapeutic targets for osteosarcoma. Gene Set Enrichment Analysis (GSEA) was employed to elucidate the biological roles of these essential genes. Promising candidates were filtered through univariate and multivariate Cox analyses, as well as Kaplan-Meier survival analyses using the GSE21257-OSA and TARGET-OSA datasets. The functional role of the target gene was assessed through cell experiments. Additionally, an in situ nude mice model was established to observe the gene's function, and RNA sequencing was utilized to explore the underlying molecular mechanism. Results A total of 934 essential genes were identified based on their effects (Chronos) using the DepMap database. These genes were primarily enriched in the ribosome pathway according to GSEA analysis. Among them, 195 genes were associated with the ribosome pathway. Rps28, Rps7, and Rps25 were validated as promising candidates following univariate and multivariate Cox analyses of the TARGET-OSA and GSE21257-OSA datasets. Kaplan-Meier survival analyses indicated Rps28 represented an especially promising target, with high expression correlating with poor prognosis. Knockdown of small ribosomal subunit protein eS28, the protein of Rps28, inhibited proliferation, migration, and invasion in both in vitro and in vivo experiments. Silencing RPS28 affected the MAPK signaling pathway in osteosarcoma. Conclusion In summary, Rps28 has been identified as an essential gene for osteosarcoma cell survival and eS28 may serve as a potential vulnerability in osteosarcoma.
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Affiliation(s)
- Chao Liang
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Juan Zhou
- Department of Pathology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Yongjie Wang
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, PR China
| | - Yin Sun
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Jin Zhou
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Lan Shao
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Zhichang Zhang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Wangjun Yan
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai Medical College, Fudan University, Shanghai, 200032, PR China
| | - Zhiyan Liu
- Department of Pathology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
| | - Yang Dong
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, PR China
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29
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Yang N, Li R, Liu R, Yang S, Zhao Y, Xiong W, Qiu L. The Emerging Function and Promise of tRNA-Derived Small RNAs in Cancer. J Cancer 2024; 15:1642-1656. [PMID: 38370372 PMCID: PMC10869971 DOI: 10.7150/jca.89219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/01/2024] [Indexed: 02/20/2024] Open
Abstract
Fragments derived from tRNA, called tRNA-derived small RNAs (tsRNAs), have attracted widespread attention in the past decade. tsRNAs are widespread in prokaryotic and eukaryotic transcriptome, which contains two main types, tRNA-derived fragments (tRFs) and tRNA-derived stress-inducing RNA (tiRNAs), derived from the precursor tRNAs or mature tRNAs. According to differences in the cleavage position, tRFs can be divided into tRF-1, tRF-2, tRF-3, tRF-5, and i-tRF, whereas tiRNAs can be divided into 5'-tiRNA and 3'-tiRNA. Studies have found that tRFs and tiRNAs are abnormally expressed in a variety of human malignant tumors, promote or inhibit the proliferation and apoptosis of cancer cells by regulating the expression of oncogene, and play an important role in the aggressive metastasis and progression of tumors. This article reviews the biological origins of various tsRNAs, introduces their functions and new concepts of related mechanisms, and focuses on the molecular mechanisms of tsRNAs in cancer, including breast cancer, prostate cancer, colorectal cancer, lung cancer, b-cell lymphoma, and chronic lymphoma cell leukemia. Lastly, this article puts forward some unresolved problems and future research prospects.
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Affiliation(s)
- Na Yang
- College of Resources, Environment and Chemistry, Chuxiong Normal University, Chuxiong 675000, China
- College of Basic Medical Sciences, Dali University, Dali 671000, China
| | - Ruijun Li
- College of Foreign Languages, Chuxiong Normal University, Chuxiong 675000, China
| | - Ruai Liu
- College of Basic Medical Sciences, Dali University, Dali 671000, China
| | - Shengjie Yang
- The People's Hospital of ChuXiong Yi Autonomous Prefecture, Chuxiong 675000, China
| | - Yi Zhao
- The People's Hospital of ChuXiong Yi Autonomous Prefecture, Chuxiong 675000, China
| | - Wei Xiong
- College of Basic Medical Sciences, Dali University, Dali 671000, China
| | - Lu Qiu
- College of Resources, Environment and Chemistry, Chuxiong Normal University, Chuxiong 675000, China
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30
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Liang Y, Kong L, Zhang Y, Zhang Y, Shi M, Huang J, Kong H, Qi S, Yang Y, Hong J, Zhu M, Zhu X, Sun X, Zhang S, Wu L, Zhao C. Transfer RNA derived fragment, tRF-Glu-CTC, aggravates the development of neovascular age-related macular degeneration. Theranostics 2024; 14:1500-1516. [PMID: 38389841 PMCID: PMC10879880 DOI: 10.7150/thno.92943] [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: 12/05/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Rationale: Angiogenesis expedites tissue impairment in many diseases, including age-related macular degeneration (AMD), a leading cause of irreversible blindness in elderly. A substantial proportion of neovascular AMD patients, characterized by aberrant choroidal neovascularization (CNV), exhibit poor responses or adverse reactions to anti-VEGF therapy. Herein, we aimed to unveil the function of newly identified transfer RNA-derived small RNA, tRF-Glu-CTC, in the pathology of CNV and determine its potential in inhibiting angiogenesis. Methods: Small non-coding RNA sequencing and quantitative polymerase chain reaction were conducted to detect expression pattern of tRF-Glu-CTC in CNV development. Immunofluorescence staining, fundus fluorescein angiography and ex vivo choroidal sprouting assays were employed for the evaluation of tRF-Glu-CTC's function in CNV development. The role of tRF-Glu-CTC in endothelial cells were determined by in vitro endothelial cell proliferation, migration and tube formation assays. Transcriptome sequencing, dual-luciferase reporter assay and in vitro experiments were conducted to investigate downstream mechanism of tRF-Glu-CTC mediated pathology. Results: tRF-Glu-CTC exhibited substantial up-regulation in AMD patients, laser-induced CNV model, and endothelial cells under hypoxia condition, which is a hallmark of CNV. Inhibiting tRF-Glu-CTC reduced angiogenesis and hypoxia stress in the neovascular region without neuroretina toxicity in laser-induced CNV model, showing an anti-angiogenic effect comparable to bevacizumab, while overexpression of tRF-Glu-CTC significantly augmented CNV. Mechanically, under hypoxia condition, angiogenin was involved in the production of tRF-Glu-CTC, which in turn triggered endothelial cell tubulogenesis, migration and promoted the secretion of inflammatory factors via the suppression of vasohibin 1 (VASH1). When downregulating VASH1 expression, the inhibition of tRF-Glu-CTC showed minimal suppression on angiogenesis. Conclusions: This study demonstrated the important role of tRF-Glu-CTC in the progression of angiogenesis. Targeting of tRF-Glu-CTC may be an alternative to current anti-VEGF therapy for CNV in AMD and other conditions with angiogenesis.
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Affiliation(s)
- Yu Liang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Lingjie Kong
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Yuelu Zhang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Yihan Zhang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Mingsu Shi
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Jiaqiu Huang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Hongyu Kong
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Siyi Qi
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Yunlong Yang
- Department of Cellular and Genetic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Jiaxu Hong
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Meidong Zhu
- Save Sight Institute, Discipline of Clinical Ophthalmology and Eye Health, University of Sydney, Camperdown, NSW 2000, Australia
- New South Weals Tissue Bank, New South Weals Organ and Tissue Donation Service, Sydney Eye Hospital, 8 Macquarie Street, Sydney 2000, Australia
| | - Xiangjia Zhu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Xinghuai Sun
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Shujie Zhang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Lianqun Wu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
| | - Chen Zhao
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, 83 Fenyang Road, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, 83 Fenyang Road, Shanghai, 200031, China
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Zhao P, Xia L, Chen D, Xu W, Guo H, Xu Y, Yan B, Wu X, Li Y, Zhang Y, Zhang X. METTL1 mediated tRNA m 7G modification promotes leukaemogenesis of AML via tRNA regulated translational control. Exp Hematol Oncol 2024; 13:8. [PMID: 38268051 PMCID: PMC10807064 DOI: 10.1186/s40164-024-00477-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/12/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND RNA modifications have been proven to play fundamental roles in regulating cellular biology process. Recently, maladjusted N7-methylguanosine (m7G) modification and its modifiers METTL1/WDR4 have been confirmed an oncogene role in multiple cancers. However, the functions and molecular mechanisms of METTL1/WDR4 in acute myeloid leukemia (AML) remain to be determined. METHODS METTL1/WDR4 expression levels were quantified using qRT-PCR, western blot analysis on AML clinical samples, and bioinformatics analysis on publicly available AML datasets. CCK-8 assays and cell count assays were performed to determine cell proliferation. Flow cytometry assays were conducted to assess cell cycle and apoptosis rates. Multiple techniques were used for mechanism studies in vitro assays, such as northern blotting, liquid chromatography-coupled mass spectrometry (LC-MS/MS), tRNA stability analysis, transcriptome sequencing, small non-coding RNA sequencing, quantitative proteomics, and protein synthesis measurements. RESULTS METTL1/WDR4 are significantly elevated in AML patients and associated with poor prognosis. METTL1 knockdown resulted in reduced cell proliferation and increased apoptosis in AML cells. Mechanically, METTL1 knockdown leads to significant decrease of m7G modification abundance on tRNA, which further destabilizes tRNAs and facilitates the biogenesis of tsRNAs in AML cells. In addition, profiling of nascent proteins revealed that METTL1 knockdown and transfection of total tRNAs that were isolated from METTL1 knockdown AML cells decreased global translation efficiency in AML cells. CONCLUSIONS Taken together, our study demonstrates the important role of METTL1/WDR4 in AML leukaemogenesis, which provides a promising target candidate for AML therapy.
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Affiliation(s)
- Pan Zhao
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
- Department of Hematology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, China
| | - Lin Xia
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Dan Chen
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Wei Xu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Huanping Guo
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yinying Xu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Bingbing Yan
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Xiao Wu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yuxia Li
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yunfang Zhang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China.
| | - Xi Zhang
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China.
- Chongqing Key Laboratory of Hematology and Microenvironment, Chongqing, 400037, China.
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing, 400037, China.
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Chen Y, Liu X, Chen W, Zhu L. RNS2 is required for the biogenesis of a wounding responsive 16 nts tsRNA in Arabidopsis thaliana. PLANT MOLECULAR BIOLOGY 2024; 114:6. [PMID: 38265739 DOI: 10.1007/s11103-023-01399-5] [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: 06/01/2023] [Accepted: 12/05/2023] [Indexed: 01/25/2024]
Abstract
tRNA-derived small RNAs (tsRNAs), a new category of regulatory small non-coding RNA existing in almost all branches of life, have recently attracted broad attention. Increasing evidence has shown that tsRNAs are not random degradation debris of tRNAs, but products cleaved by specific endoribonucleases, with versatile functions in response to various developmental and environmental cues. However, it is still unclear about the diversity, biogenesis and function of tsRNAs in plants. In this study, we comprehensively profiled 10-60 nts small RNAs in Arabidopsis thaliana leaf with or without wounding stress and identified four 16 nts tiny tRFs (tRNA-derived fragments) sharply increased after wounding, namely tRF5'Ala. Notably, genetic, biochemical and bioinformatic data indicated that RNS2, a member of class II RNase T2 enzymes, was the main endoribonuclease responsible for the biogenesis of tRF5'Ala. Moreover, tRF5'Ala was highly abundant and conserved in Arabidopsis and rice pollen. However, tRF5'Ala did not associate with AGO 1 in vivo or display any inhibitory effect on the translation of a luciferase mRNA in vitro. Altogether, our study highlights the discovery of a novel class of tiny tsRNAs drastically increased under wounding stress as well as their generation by RNS2, which provides a new insight into tsRNAs research in plants.
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Affiliation(s)
- Yan Chen
- Guangzhou Key Laboratory of Crop Gene Editing, Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University, Guangzhou Higher Education Mega Center, 230 Waihuanxi Road, Guangzhou, 510006, China
| | - Xiaobin Liu
- Guangzhou Key Laboratory of Crop Gene Editing, Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University, Guangzhou Higher Education Mega Center, 230 Waihuanxi Road, Guangzhou, 510006, China
| | - Weiqiang Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
- Prescription Laboratory of Xinjiang Traditional Uyghur Medicine, Xinjiang Institute of Traditional Uyghur Medicine, Urmuqi, 830000, China.
| | - Lei Zhu
- Institute of Thoracic Oncology and Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, 6100041, China.
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Zhang J. Recognition of the tRNA structure: Everything everywhere but not all at once. Cell Chem Biol 2024; 31:36-52. [PMID: 38159570 PMCID: PMC10843564 DOI: 10.1016/j.chembiol.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 12/02/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
tRNAs are among the most abundant and essential biomolecules in cells. These spontaneously folding, extensively structured yet conformationally flexible anionic polymers literally bridge the worlds of RNAs and proteins, and serve as Rosetta stones that decipher and interpret the genetic code. Their ubiquitous presence, functional irreplaceability, and privileged access to cellular compartments and ribosomes render them prime targets for both endogenous regulation and exogenous manipulation. There is essentially no part of the tRNA that is not touched by another interaction partner, either as programmed or imposed by an external adversary. Recent progresses in genetic, biochemical, and structural analyses of the tRNA interactome produced a wealth of new knowledge into their interaction networks, regulatory functions, and molecular interfaces. In this review, I describe and illustrate the general principles of tRNA recognition by proteins and other RNAs, and discuss the underlying molecular mechanisms that deliver affinity, specificity, and functional competency.
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Affiliation(s)
- Jinwei Zhang
- Laboratory of Molecular Biology, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA.
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Zhang Y, Zhou H, Chen X, Wang N, Zhan Y, Huang Z, Ruan K, Qi Q, Deng M, Jiang Y. A novel tRNA-derived fragment tRF-3023b suppresses inflammation in RAW264.7 cells by targeting Cul4a through NF-κB signaling. Funct Integr Genomics 2024; 24:9. [PMID: 38221594 DOI: 10.1007/s10142-024-01285-3] [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: 09/28/2023] [Revised: 11/29/2023] [Accepted: 01/01/2024] [Indexed: 01/16/2024]
Abstract
The role of transfer RNA (tRNA)-derived fragment (tRF) in various diseases has been established. However, the effect of tRF-3023b on inflammation remains unclear. Inflammation was imitated in RAW264.7 cells by adding Lipopolysaccharide (LPS). Cells were first divided into control, LPS, and LPS + Bulleyaconitine A (BLA) groups. The contents of TNF-α, IL-6, and MCP-1 were quantified using ELISA. The levels of cyclooxygenase-2 (COX2), inducible nitric oxide synthase (iNOS), and the phosphorylation of nuclear factor-kappa B (NF-κB)-P65 (p-P65) were detected by Western blotting. RNA sequencing was utilized to find differentially expressed tRFs (DE-tRFs) among three groups. The levels of various tRFs were checked by quantitative real-time PCR (qRT-PCR). Cell cycle and apoptosis were checked by flow cytometry. Dluciferase reporter assay was applied to predict and confirm the interaction between tRF-3023b and Cullin 4A (Cul4a), subsequently RNA pull-down followed by mass spectrometry analysis were conducted. BLA treatment decreased the contents of TNF-α, IL-6, MCP-1, and the expression levels of COX2, iNOS, p-P65. We found 6 DE-tRFs in LPS + BLA group compared to LPS group, tRF-3023b was high expression in control and BLA groups, and the lowest in LPS group. Cul4a was a direct target of tRF-3023b. tRF-3023b mimic affected the cell cycle distribution, promoted cells apoptosis, and suppressed the TNF-α, IL-6, MCP-1, COX2, iNOS and p-P65. The suppression of Cul4a affected the cell cycle distribution, resulted in an increase of cell apoptosis while a decrease of TNF-α, IL-6, MCP-1, COX2, iNOS and p-P65. Furthermore, Cul4a overexpression reversed the effect of tRF-3023b mimic. Cul4a knockdown reversed the effect of tRF-3023b inhibitor. Our study positions tRF-3023b as a compelling candidate, through its interaction with Cul4a, the underlying mechanism on inflammation maybe related to NF-κB pathway. The study provides a basis for exploring new therapeutic strategies for inflammation.
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Affiliation(s)
- Ying Zhang
- Jiaxing University Master Degree Cultivation Base, Zhejiang Chinese Medical University, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Hua Zhou
- Department of Physiology, Anhui Medical College, Hefei, China
| | - Xu Chen
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Ningning Wang
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Yunfei Zhan
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Ziyi Huang
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Kaiyi Ruan
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China
| | - Qiulan Qi
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China.
| | - Min Deng
- Jiaxing University Master Degree Cultivation Base, Zhejiang Chinese Medical University, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China.
- Department of Infectious Diseases, Affiliated Hospital of Jiaxing University, No. 1882 South Zhonghuan Road, Nanhu District, Jiaxing, 314000, China.
| | - Yuxin Jiang
- Jiaxing University Master Degree Cultivation Base, Zhejiang Chinese Medical University, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China.
- Department of Pathogen Biology and Immunology, Jiaxing University School of Medicine, No. 118 Jiahang Road, Nanhu District, Jiaxing, 314001, China.
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Moeinafshar A, Nouri M, Shokrollahi N, Masrour M, Behnam A, Tehrani Fateh S, Sadeghi H, Miryounesi M, Ghasemi MR. Non-coding RNAs as potential therapeutic targets for receptor tyrosine kinase signaling in solid tumors: current status and future directions. Cancer Cell Int 2024; 24:26. [PMID: 38200584 PMCID: PMC10782702 DOI: 10.1186/s12935-023-03203-2] [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: 07/28/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
This review article presents an in-depth analysis of the current state of research on receptor tyrosine kinase regulatory non-coding RNAs (RTK-RNAs) in solid tumors. RTK-RNAs belong to a class of non-coding RNAs (nc-RNAs) responsible for regulating the expression and activity of receptor tyrosine kinases (RTKs), which play a critical role in cancer development and progression. The article explores the molecular mechanisms through which RTK-RNAs modulate RTK signaling pathways and highlights recent advancements in the field. This include the identification of potential new RTK-RNAs and development of therapeutic strategies targeting RTK-RNAs. While the review discusses promising results from a variety of studies, encompassing in vitro, in vivo, and clinical investigations, it is important to acknowledge the challenges and limitations associated with targeting RTK-RNAs for therapeutic applications. Further studies involving various cancer cell lines, animal models, and ultimately, patients are necessary to validate the efficacy of targeting RTK-RNAs. The specificity of ncRNAs in targeting cellular pathways grants them tremendous potential, but careful consideration is required to minimize off-target effects, the article additionally discusses the potential clinical applications of RTK-RNAs as biomarkers for cancer diagnosis, prognosis, and treatment. In essence, by providing a comprehensive overview of the current understanding of RTK-RNAs in solid tumors, this review emphasizes their potential as therapeutic targets for cancer while acknowledging the associated challenges and limitations.
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Affiliation(s)
- Aysan Moeinafshar
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Nouri
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nima Shokrollahi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Masrour
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Center for Orthopedic Trans-Disciplinary Applied Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Amirmohammad Behnam
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahand Tehrani Fateh
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Sadeghi
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Miryounesi
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Reza Ghasemi
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Shi Y, Feng Y, Wang Q, Dong G, Xia W, Jiang F. The Role of tRNA-Centered Translational Regulatory Mechanisms in Cancer. Cancers (Basel) 2023; 16:77. [PMID: 38201505 PMCID: PMC10778012 DOI: 10.3390/cancers16010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Cancer is a leading cause of morbidity and mortality worldwide. While numerous factors have been identified as contributing to the development of malignancy, our understanding of the mechanisms involved remains limited. Early cancer detection and the development of effective treatments are therefore critical areas of research. One class of molecules that play a crucial role in the transmission of genetic information are transfer RNAs (tRNAs), which are the most abundant RNA molecules in the human transcriptome. Dysregulated synthesis of tRNAs directly results in translation disorders and diseases, including cancer. Moreover, various types of tRNA modifications and the enzymes responsible for these modifications have been implicated in tumor biology. Furthermore, alterations in tRNA modification can impact tRNA stability, and impaired stability can prompt the cleavage of tRNAs into smaller fragments known as tRNA fragments (tRFs). Initially believed to be random byproducts lacking any physiological function, tRFs have now been redefined as non-coding RNA molecules with distinct roles in regulating RNA stability, translation, target gene expression, and other biological processes. In this review, we present recent findings on translational regulatory models centered around tRNAs in tumors, providing a deeper understanding of tumorigenesis and suggesting new directions for cancer treatment.
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Affiliation(s)
- Yuanjian Shi
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
- The Fourth Clinical College, Nanjing Medical University, Nanjing 210029, China
| | - Yipeng Feng
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
- The Fourth Clinical College, Nanjing Medical University, Nanjing 210029, China
| | - Qinglin Wang
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
- The Fourth Clinical College, Nanjing Medical University, Nanjing 210029, China
| | - Gaochao Dong
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
| | - Wenjie Xia
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
| | - Feng Jiang
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 211166, China; (Y.S.); (Y.F.); (Q.W.); (G.D.)
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, Nanjing 210009, China
- The Fourth Clinical College, Nanjing Medical University, Nanjing 210029, China
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37
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Yu M, Yi J, Qiu Q, Yao D, Li J, Yang J, Mi C, Zhou L, Lu B, Lu W, Ying K, Chen W, Chen E, Zhang H, Lu Z, Lu Y, Liu P. Pan-cancer tRNA-derived fragment CAT1 coordinates RBPMS to stabilize NOTCH2 mRNA to promote tumorigenesis. Cell Rep 2023; 42:113408. [PMID: 37943661 DOI: 10.1016/j.celrep.2023.113408] [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: 05/15/2023] [Revised: 09/20/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023] Open
Abstract
Transfer RNA-derived fragments (tRFs) are a class of small non-coding regulatory RNAs that are involved in the pathophysiology of many diseases. However, the role of tRFs in cancer progression remains largely elusive. Here, we demonstrate that a pan-cancer 3'-tRF, CAT1 (cancer associated tRF 1), is ubiquitously upregulated in tumors and associated with poor prognosis of a variety of cancers, including lung cancer. The upregulated CAT1 in cancer cells binds to RNA-binding protein with multiple splicing (RBPMS) and displaces NOTCH2 association from RBPMS, thereby inhibiting the subsequent CCR4-NOT deadenylation-complex-mediated NOTCH2 mRNA decay. The CAT1-enhanced NOTCH2 expression promotes lung cancer cell proliferation and metastasis in vitro and in vivo. In addition, plasma CAT1 levels are substantially increased in patients with lung cancer compared to non-cancer control subjects. Our findings reveal an intrinsic connection between cancer-specific upregulation of CAT1 and cancer progression, show the regulation of NOTCH signaling in cancer by a 3'-tRF, and highlight its great clinical potential.
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Affiliation(s)
- Mengqian Yu
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China; Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China
| | - Jiani Yi
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China
| | - Qiongzi Qiu
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China
| | - Dongxia Yao
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China
| | - Jia Li
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China
| | - Juze Yang
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China
| | - Chunyi Mi
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China
| | - Liyuan Zhou
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China
| | - Bingjian Lu
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China
| | - Weiguo Lu
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China
| | - Kejing Ying
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China
| | - Wantao Chen
- Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200011, China
| | - Enguo Chen
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China
| | - Honghe Zhang
- Department of Pathology, Research Unit of Intelligence Classification of Tumor Pathology and Precision Therapy, Chinese Academy of Medical Sciences, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China
| | - Zhimin Lu
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China.
| | - Yan Lu
- Zhejiang Provincial Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases, Women's Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China.
| | - Pengyuan Liu
- Department of Respiratory Medicine, Sir Run Run Shaw Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, China; Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310013, China; Department of Physiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA.
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Karousi P, Samiotaki M, Makridakis M, Zoidakis J, Sideris DC, Scorilas A, Carell T, Kontos CK. 3'-tRF-Cys GCA overexpression in HEK-293 cells alters the global expression profile and modulates cellular processes and pathways. Funct Integr Genomics 2023; 23:341. [PMID: 37987851 PMCID: PMC10663186 DOI: 10.1007/s10142-023-01272-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
tRNA fragments (tRFs) are small non-coding RNAs generated through specific cleavage of tRNAs and involved in various biological processes. Among the different types of tRFs, the 3'-tRFs have attracted scientific interest due to their regulatory role in gene expression. In this study, we investigated the role of 3'-tRF-CysGCA, a tRF deriving from cleavage in the T-loop of tRNACysGCA, in the regulation of gene expression in HEK-293 cells. Previous studies have shown that 3'-tRF-CysGCA is incorporated into the RISC complex and interacts with Argonaute proteins, suggesting its involvement in the regulation of gene expression. However, the general role and effect of the deregulation of 3'-tRF-CysGCA levels in human cells have not been investigated so far. To fill this gap, we stably overexpressed 3'-tRF-CysGCA in HEK-293 cells and performed transcriptomic and proteomic analyses. Moreover, we validated the interaction of this tRF with putative targets, the levels of which were found to be affected by 3'-tRF-CysGCA overexpression. Lastly, we investigated the implication of 3'-tRF-CysGCA in various pathways using extensive bioinformatics analysis. Our results indicate that 3'-tRF-CysGCA overexpression led to changes in the global gene expression profile of HEK-293 cells and that multiple cellular pathways were affected by the deregulation of the levels of this tRF. Additionally, we demonstrated that 3'-tRF-CysGCA directly interacts with thymopoietin (TMPO) transcript variant 1 (also known as LAP2α), leading to modulation of its levels. In conclusion, our findings suggest that 3'-tRF-CysGCA plays a significant role in gene expression regulation and highlight the importance of this tRF in cellular processes.
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Affiliation(s)
- Paraskevi Karousi
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, 15701, Athens, Greece
| | - Martina Samiotaki
- Institute for Bioinnovation, Biomedical Sciences Research Center, "Alexander Fleming", Vari, Greece
| | - Manousos Makridakis
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Jerome Zoidakis
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, 15701, Athens, Greece
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Diamantis C Sideris
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, 15701, Athens, Greece
| | - Andreas Scorilas
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, 15701, Athens, Greece
| | - Thomas Carell
- Department for Chemistry, Institute for Chemical Epigenetics, Ludwig Maximilian University of Munich, Munich, Germany
| | - Christos K Kontos
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, 15701, Athens, Greece.
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Kuhle B, Chen Q, Schimmel P. tRNA renovatio: Rebirth through fragmentation. Mol Cell 2023; 83:3953-3971. [PMID: 37802077 PMCID: PMC10841463 DOI: 10.1016/j.molcel.2023.09.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/15/2023] [Accepted: 09/12/2023] [Indexed: 10/08/2023]
Abstract
tRNA function is based on unique structures that enable mRNA decoding using anticodon trinucleotides. These structures interact with specific aminoacyl-tRNA synthetases and ribosomes using 3D shape and sequence signatures. Beyond translation, tRNAs serve as versatile signaling molecules interacting with other RNAs and proteins. Through evolutionary processes, tRNA fragmentation emerges as not merely random degradation but an act of recreation, generating specific shorter molecules called tRNA-derived small RNAs (tsRNAs). These tsRNAs exploit their linear sequences and newly arranged 3D structures for unexpected biological functions, epitomizing the tRNA "renovatio" (from Latin, meaning renewal, renovation, and rebirth). Emerging methods to uncover full tRNA/tsRNA sequences and modifications, combined with techniques to study RNA structures and to integrate AI-powered predictions, will enable comprehensive investigations of tRNA fragmentation products and new interaction potentials in relation to their biological functions. We anticipate that these directions will herald a new era for understanding biological complexity and advancing pharmaceutical engineering.
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Affiliation(s)
- Bernhard Kuhle
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA; Department of Cellular Biochemistry, University Medical Center Göttingen, Göttingen, Germany
| | - Qi Chen
- Molecular Medicine Program, Department of Human Genetics, and Division of Urology, Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Paul Schimmel
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA.
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40
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Zhang L, Liu J, Hou Y. Classification, function, and advances in tsRNA in non-neoplastic diseases. Cell Death Dis 2023; 14:748. [PMID: 37973899 PMCID: PMC10654580 DOI: 10.1038/s41419-023-06250-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 10/14/2023] [Accepted: 10/25/2023] [Indexed: 11/19/2023]
Abstract
tRNA-derived small RNAs (tsRNAs) are non-coding small RNAs produced by specific endonucleases following the processing and splicing of precursor or mature tRNAs upon starvation, oxidative stress, hypoxia, and other adverse conditions. tRNAs are classified into two major categories, tRNA fragments (tRFs) and tRNA-derived stress-induced small RNAs (tiRNAs), based on differences in splice sites. With the development of high-throughput sequencing technologies in recent years, tsRNAs have been found to have important biological functions, including inhibition of apoptosis, epigenetic regulation, cell-cell communication, translation, and regulation of gene expression. Additionally, these molecules have been found to be aberrantly expressed in various diseases and to be involved in several pathological processes. In this article, the classification and nomenclature, biological functions, and potential use of tsRNAs as diagnostic biomarkers and therapeutic targets in non-neoplastic diseases are reviewed. Although tsRNA research is at its infancy, their potential in the treatment of non-tumor diseases warrants further investigation.
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Affiliation(s)
- Liou Zhang
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jie Liu
- Translational Research Experiment Department, Science Experiment Center, China Medical University, Shenyang, China.
| | - Yang Hou
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
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41
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Shi J, Xu J, Ma J, He F. tRNA-derived small RNAs are embedded in the gene regulatory program instructing Drosophila metamorphosis. Genome Res 2023; 33:gr.278128.123. [PMID: 37973194 PMCID: PMC10760521 DOI: 10.1101/gr.278128.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
A class of noncoding RNAs, referred to as tsRNAs, is emerging with a potential to exert a new layer in gene regulation. These RNAs are breakdown products of tRNAs, either through active processing or passive cleavage or both. Since tRNAs are part of the general machinery for translation, their expression levels and activities are tightly controlled, raising the possibility that their breakdown products, tsRNAs, may provide a link between the overall translational status of a cell to specific changes in gene regulatory network. We hypothesize that Drosophila pupation, being a special developmental stage during which there is a global limitation of nutrients, represents a system in which such a link may readily reveal itself. We show that specific tsRNAs indeed exhibit a dynamic accumulation upon entering the pupal stage. We describe experiments to characterize the mode of tsRNA action and, through the use of such gained knowledge, conduct a genome-wide analysis to assess the functions of dynamically expressed tsRNAs. Our results show that the predicted target genes are highly enriched in biological processes specific to this stage of development including metamorphosis. We further show that tsRNA action is required for successful pupation, providing direct support to the hypothesis that tsRNAs accumulated during this stage are critical to the gene expression program at this stage of development.
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Affiliation(s)
| | - Jiaqi Xu
- Zhejiang University School of Medicine
| | - Jun Ma
- Zhejiang University School of Medicine
| | - Feng He
- Zhejiang University School of Medicine
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42
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Jianfeng M, Mailin G, Yitang Y, Lei C, Ye Z, Lili N, Yan W, Shunhua Z, Jingyong W, Li Z, Linyuan S. tRNA-derived small RNA dataset in multiple organs of intrauterine growth-restricted pig. Sci Data 2023; 10:793. [PMID: 37949905 PMCID: PMC10638418 DOI: 10.1038/s41597-023-02715-w] [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: 05/29/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
Intrauterine growth restriction (IUGR) impairs neonatal weight and causes multiple organ dysplasia. IUGR not only threatens human health but is also a significant constraint to the development of animal husbandry. However, the molecular mechanism underlying IUGR remains to be further elucidated. tRNA-derived small RNA (tsRNAs) is a regulative non-coding RNA, which has recently been reported to correlate with the onset and progression of several diseases. In this study, we investigated the tsRNAs expression profiles of IUGR pigs. A tsRNAs dataset for multiple organs in normal and IUGR pigs was generated, including muscle, liver, spleen and intestine. We further analyzed the characteristics of tsRNAs in different organs of pigs, and KEGG pathway analysis was performed to investigate possible pathways involved. This dataset will provide valuable information for further exploring the molecular mechanism of IUGR formation.
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Affiliation(s)
- Ma Jianfeng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Gan Mailin
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Yang Yitang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Chen Lei
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Zhao Ye
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Niu Lili
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Wang Yan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Zhang Shunhua
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China
| | - Wang Jingyong
- Chongqing Academy of Animal Science, Chongqing, China
| | - Zhu Li
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China.
| | - Shen Linyuan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, China.
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43
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Wang L, Cao JB, Xia BB, Li YJ, Zhang X, Mo GX, Wang RJ, Guo SQ, Zhang YQ, Xiao K, Zhu GF, Liu PF, Song LC, Ma XH, Xiang PC, Wang J, Liu YH, Xie F, Zhang XD, Li XX, Sun WL, Cao Y, Wang KF, Zhang WH, Zhao WC, Yan P, Chen JC, Yang YW, Yu ZK, Tang JS, Xiao L, Zhou JM, Xie LX, Wang J. Metatranscriptome of human lung microbial communities in a cohort of mechanically ventilated COVID-19 Omicron patients. Signal Transduct Target Ther 2023; 8:432. [PMID: 37949875 PMCID: PMC10638395 DOI: 10.1038/s41392-023-01684-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 09/21/2023] [Accepted: 10/18/2023] [Indexed: 11/12/2023] Open
Abstract
The Omicron variant of the severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) infected a substantial proportion of Chinese population, and understanding the factors underlying the severity of the disease and fatality is valuable for future prevention and clinical treatment. We recruited 64 patients with invasive ventilation for COVID-19 and performed metatranscriptomic sequencing to profile host transcriptomic profiles, plus viral, bacterial, and fungal content, as well as virulence factors and examined their relationships to 28-day mortality were examined. In addition, the bronchoalveolar lavage fluid (BALF) samples from invasive ventilated hospital/community-acquired pneumonia patients (HAP/CAP) sampled in 2019 were included for comparison. Genomic analysis revealed that all Omicron strains belong to BA.5 and BF.7 sub-lineages, with no difference in 28-day mortality between them. Compared to HAP/CAP cohort, invasive ventilated COVID-19 patients have distinct host transcriptomic and microbial signatures in the lower respiratory tract; and in the COVID-19 non-survivors, we found significantly lower gene expressions in pathways related viral processes and positive regulation of protein localization to plasma membrane, higher abundance of opportunistic pathogens including bacterial Alloprevotella, Caulobacter, Escherichia-Shigella, Ralstonia and fungal Aspergillus sydowii and Penicillium rubens. Correlational analysis further revealed significant associations between host immune responses and microbial compositions, besides synergy within viral, bacterial, and fungal pathogens. Our study presents the relationships of lower respiratory tract microbiome and transcriptome in invasive ventilated COVID-19 patients, providing the basis for future clinical treatment and reduction of fatality.
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Affiliation(s)
- Lin Wang
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Jia-Bao Cao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Bin-Bin Xia
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yue-Juan Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xuan Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- Faculty of Biological Science and Technology, Baotou Teacher's College, Baotou, 014030, China
| | - Guo-Xin Mo
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Rui-Juan Wang
- Department of Respiratory Medicine, PLA Strategic Support Force Medical Center, Beijing, 100101, China
| | - Si-Qi Guo
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yu-Qing Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kun Xiao
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Guang-Fa Zhu
- Department of Respiratory and Critical Care Medicine, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, 100029, China
| | - Peng-Fei Liu
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Li-Cheng Song
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Xi-Hui Ma
- Respiratory Research Institute, Department of Pulmonary & Critical Care Medicine, Beijing Key Laboratory of OTIR, the 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Ping-Chao Xiang
- Shougang hospital of Peking University, Beijing, 100144, China
| | - Jiang Wang
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Yu-Hong Liu
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Fei Xie
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Xu-Dong Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiang-Xin Li
- Department of Respiratory Medicine, Beijing Changping Hospital, Beijing, 102200, China
| | - Wan-Lu Sun
- Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine and Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Yan Cao
- Pulmonary research institute, Senior Department of Respiratory and Critical Care Medicine, the 8th medical center of Chinese PLA general hospital, Beijing, 100091, China
| | - Kai-Fei Wang
- College of Pulmonary & Critical Care Medicine, Chinese PLA General Hospital, Beijing, 100853, China
| | - Wen-Hui Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei-Chao Zhao
- Department of Respiratory Medicine, PLA Strategic Support Force Medical Center, Beijing, 100101, China
| | - Peng Yan
- China Aerospace Science & Industry Corporation 731 hospital, Beijing, 100074, China
| | - Ji-Chao Chen
- Department of Respiratory and Critical Care Medicine, Aerospace Center Hospital, Beijing, 100049, China
| | - Yu-Wei Yang
- Respiratory Research Institute, Department of Pulmonary & Critical Care Medicine, Beijing Key Laboratory of OTIR, the 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Zhong-Kuo Yu
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Jing-Si Tang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Li Xiao
- Respiratory Research Institute, Department of Pulmonary & Critical Care Medicine, Beijing Key Laboratory of OTIR, the 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China
| | - Jie-Min Zhou
- Vision Medicals Center for Infectious Diseases, Guangzhou, 510700, China
| | - Li-Xin Xie
- College of Pulmonary & Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, 100091, China.
| | - Jun Wang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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Wang P, Fu Z, Liu Y, Huang S, Guo Y, Jin J, Fang Y, Pan Y, Fan Z, Yu H. tRF-21-LNK8KEP1B as a potential novel diagnostic biomarker for enthesitis-related arthritis. Int Immunopharmacol 2023; 124:110820. [PMID: 37660592 DOI: 10.1016/j.intimp.2023.110820] [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: 04/12/2023] [Revised: 07/26/2023] [Accepted: 08/16/2023] [Indexed: 09/05/2023]
Abstract
OBJECTIVE tRNA-derived fragments (tRFs) play crucial roles in the progression of various diseases, and widely distribute in human tissues, including blood and urine. The diagnosis of enthesitis-related arthritis (ERA) is based on the observation of clinical manifestations. Therefore, we aimed to investigate whether serum tRFs can be used as diagnostic markers for ERA. METHODS Serum was collected from children admitted to the Children's Hospital Affiliated with Nanjing Medical University between February 2022 to October 2022. The expression profiles of tRFs in the serum of ERA patients (n = 5) and healthy controls (HCs; n = 5) were investigated using small RNA high-throughput sequencing. The level and diagnostic value of tRF-21-LNK8KEP1B were evaluated by real-time quantitative PCR in serum samples from 30 ERA patients and 31 HCs. The specificity and sensitivity of tRFs were determined using receiver operating characteristic analyses. Bioinformatics analysis was performed to explore and identify the potential biological pathways induced by tRFs. RESULTS Ninety-eight upregulated and 63 downregulated tRFs were identified in the serum. We selected tRF-21-LNK8KEP1B as a candidate marker using KEGG pathway enrichment and PCR validation. tRF-21-LNK8KEP1B was substantially increased in the serum of ERA patients compared with that in HCs. The area under the curve (AUC) for tRF-21-LNK8KEP1B in the ERA group was 0.7849. CONCLUSIONS Collectively, we demonstrated the promising role of serum tRF-21-LNK8KEP1B -levels as a diagnostic biomarker for ERA.
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Affiliation(s)
- Panpan Wang
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Ziyi Fu
- Department of Maternal and Children's Medical Research Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yingying Liu
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Shuoyin Huang
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yanli Guo
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Jing Jin
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yuying Fang
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yuting Pan
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Zhidan Fan
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China.
| | - Haiguo Yu
- Department of Rheumatology and Immunology, Children's Hospital of Nanjing Medical University, Nanjing, China.
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Li P, Wang W, Zhou R, Ding Y, Li X. The m 5 C methyltransferase NSUN2 promotes codon-dependent oncogenic translation by stabilising tRNA in anaplastic thyroid cancer. Clin Transl Med 2023; 13:e1466. [PMID: 37983928 PMCID: PMC10659772 DOI: 10.1002/ctm2.1466] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 10/15/2023] [Accepted: 10/19/2023] [Indexed: 11/22/2023] Open
Abstract
BACKGROUND Translation dysregulation plays a crucial role in tumourigenesis and cancer progression. Oncogenic translation relies on the stability and availability of tRNAs for protein synthesis, making them potential targets for cancer therapy. METHODS This study performed immunohistochemistry analysis to assess NSUN2 levels in thyroid cancer. Furthermore, to elucidate the impact of NSUN2 on anaplastic thyroid cancer (ATC) malignancy, phenotypic assays were conducted. Drug inhibition and time-dependent plots were employed to analyse drug resistance. Liquid chromatography-mass spectrometry and bisulphite sequencing were used to investigate the m5 C methylation of tRNA at both global and single-base levels. Puromycin intake and high-frequency codon reporter assays verified the protein translation level. By combining mRNA and ribosome profiling, a series of downstream proteins and codon usage bias were identified. The acquired data were further validated by tRNA sequencing. RESULTS This study observed that the tRNA m5 C methyltransferase NSUN2 was up-regulated in ATC and is associated with dedifferentiation. Furthermore, NSUN2 knockdown repressed ATC formation, proliferation, invasion and migration both in vivo and in vitro. Moreover, NSUN2 repression enhanced the sensitivity of ATC to genotoxic drugs. Mechanically, NSUN2 catalyses tRNA structure-related m5 C modification, stabilising tRNA that maintains homeostasis and rapidly transports amino acids, particularly leucine. This stable tRNA has a substantially increased efficiency necessary to support a pro-cancer translation program including c-Myc, BCL2, RAB31, JUNB and TRAF2. Additionally, the NSUN2-mediated variations in m5C levels and different tRNA Leu iso-decoder families, partially contribute to a codon-dependent translation bias. Surprisingly, targeting NSUN2 disrupted the c-Myc to NSUN2 cycle in ATC. CONCLUSIONS This research revealed that a pro-tumour m5C methyltransferase, dynamic tRNA stability regulation and downstream oncogenes, c-Myc, elicits a codon-dependent oncogenic translation network that enhances ATC growth and formation. Furthermore, it provides new opportunities for targeting translation reprogramming in cancer cells.
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Affiliation(s)
- Peng Li
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric DisordersXiangya HospitalCentral South UniversityChangshaHunan ProvinceChina
- Department of Hepatobiliary SurgerySichuan Provincial People's HospitalSchool of MedicineUniversity of Electronic Science and Technology of ChinaChengduChina
| | - Wenlong Wang
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric DisordersXiangya HospitalCentral South UniversityChangshaHunan ProvinceChina
| | - Ruixin Zhou
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
| | - Ying Ding
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
| | - Xinying Li
- Department of General SurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric DisordersXiangya HospitalCentral South UniversityChangshaHunan ProvinceChina
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46
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Akiyama Y, Ivanov P. tRNA-derived RNAs: Biogenesis and roles in translational control. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1805. [PMID: 37406666 PMCID: PMC10766869 DOI: 10.1002/wrna.1805] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 05/17/2023] [Accepted: 06/06/2023] [Indexed: 07/07/2023]
Abstract
Transfer RNA (tRNA)-derived RNAs (tDRs) are a class of small non-coding RNAs that play important roles in different aspects of gene expression. These ubiquitous and heterogenous RNAs, which vary across different species and cell types, are proposed to regulate various biological processes. In this review, we will discuss aspects of their biogenesis, and specifically, their contribution into translational control. We will summarize diverse roles of tDRs and the molecular mechanisms underlying their functions in the regulation of protein synthesis and their impact on related events such as stress-induced translational reprogramming. This article is categorized under: RNA Processing > Processing of Small RNAs Regulatory RNAs/RNAi/Riboswitches > Regulatory RNAs Regulatory RNAs/RNAi/Riboswitches > Biogenesis of Effector Small RNAs.
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Affiliation(s)
- Yasutoshi Akiyama
- Laboratory of Oncology, Pharmacy Practice and Sciences, Tohoku University Graduate School of Pharmaceutical Sciences, Sendai, Japan
| | - Pavel Ivanov
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
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47
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Du J, Huang T, Zheng Z, Fang S, Deng H, Liu K. Biological function and clinical application prospect of tsRNAs in digestive system biology and pathology. Cell Commun Signal 2023; 21:302. [PMID: 37904174 PMCID: PMC10614346 DOI: 10.1186/s12964-023-01341-8] [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: 06/24/2023] [Accepted: 09/27/2023] [Indexed: 11/01/2023] Open
Abstract
tsRNAs are small non-coding RNAs originating from tRNA that play important roles in a variety of physiological activities such as RNA silencing, ribosome biogenesis, retrotransposition, and epigenetic inheritance, as well as involvement in cellular differentiation, proliferation, and apoptosis. tsRNA-related abnormalities have a significant influence on the onset, development, and progression of numerous human diseases, including malignant tumors through affecting the cell cycle and specific signaling molecules. This review introduced origins together with tsRNAs classification, providing a summary for regulatory mechanism and physiological function while dysfunctional effect of tsRNAs in digestive system diseases, focusing on the clinical prospects of tsRNAs for diagnostic and prognostic biomarkers. Video Abstract.
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Affiliation(s)
- Juan Du
- Health Science Center, Ningbo University, Ningbo, 315211, Zhejiang, China
| | - Tianyi Huang
- Health Science Center, Ningbo University, Ningbo, 315211, Zhejiang, China
| | - Zhen Zheng
- Department of Radiation Oncology, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Shuai Fang
- The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China
| | - Hongxia Deng
- The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China.
| | - Kaitai Liu
- Department of Radiation Oncology, The Affiliated Lihuili Hospital of Ningbo University, Ningbo, Zhejiang, China.
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Wei D, Niu B, Zhai B, Liu XB, Yao YL, Liang CC, Wang P. Expression profiles and function prediction of tRNA-derived fragments in glioma. BMC Cancer 2023; 23:1015. [PMID: 37864150 PMCID: PMC10588164 DOI: 10.1186/s12885-023-11532-8] [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: 03/27/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023] Open
Abstract
BACKGROUND Glioblastoma (GBM) is the most aggressive malignant primary brain tumor. The transfer RNA-derived fragments (tRFs) are a new group of small noncoding RNAs, which are dysregulated in many cancers. Until now, the expression and function of tRFs in glioma remain unknown. METHODS The expression profiles of tRF subtypes were analyzed using the Cancer Genome Atlas (TCGA)-low-grade gliomas (LGG)/GBM dataset. The target genes of tRFs were subjected to Gene Ontology, Kyoto Encyclopedia and Gene set enrichment analysis of Genes and Genomes pathway enrichment analysis. The protein-protein interaction enrichment analysis was performed by STRING. QRT-PCR was performed to detect the expressions of tRFs in human glioma cell lines U87, U373, U251, and human astrocyte cell line SVG p12. Western blot assay was used to detect to the expression of S100A11. The interaction between tRF-19-R118LOJX and S100A11 mRNA 3'UTR was detected by dual-luciferase reporter assay. The effects of tRF-19-R118LOJX, tRF-19-6SM83OJX and S100A11 on the glioma cell proliferation, migration and in vitro vasculogenic mimicry formation ability were examined by CCK-8 proliferation assay, EdU assay, HoloMonitor cell migration assay and tube formation assay, respectively. RESULTS tRF-19-R118LOJX and tRF-19-6SM83OJX are the most differentially expressed tRFs between LGG and GBM groups. The functional enrichment analysis showed that the target genes of tRF-19-R118LOJX and tRF-19-6SM83OJX are enriched in regulating blood vessel development. The upregulated target genes are linked to adverse survival outcomes in glioma patients. tRF-19-R118LOJX and tRF-19-6SM83OJX were identified to suppress glioma cell proliferation, migration, and in vitro vasculogenic mimicry formation. The mechanism of tRF-19-R118LOJX might be related to its function as an RNA silencer by targeting the S100A11 mRNA 3'UTR. CONCLUSION tRFs would become novel diagnostic biomarkers and therapeutic targets of glioma, and the mechanism might be related to its post-transcriptionally regulation of gene expression by targeting mRNA 3'UTR.
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Affiliation(s)
- Deng Wei
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Ben Niu
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Bei Zhai
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Xiao-Bai Liu
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Yi-Long Yao
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Chan-Chan Liang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China
| | - Ping Wang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, 110122, China.
- Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, China.
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Zhu JY, Yao W, Ni XS, Yao MD, Bai W, Yang TJ, Zhang ZR, Li XM, Jiang Q, Yan B. Hyperglycemia-regulated tRNA-derived fragment tRF-3001a propels neurovascular dysfunction in diabetic mice. Cell Rep Med 2023; 4:101209. [PMID: 37757825 PMCID: PMC10591036 DOI: 10.1016/j.xcrm.2023.101209] [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: 11/17/2022] [Revised: 07/19/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023]
Abstract
Neurovascular dysfunction is a preclinical manifestation of diabetic complications, including diabetic retinopathy (DR). Herein, we report that a transfer RNA-derived RNA fragment, tRF-3001a, is significantly upregulated under diabetic conditions. tRF-3001a downregulation inhibits Müller cell activation, suppresses endothelial angiogenic effects, and protects against high-glucose-induced retinal ganglion cell injury in vitro. Furthermore, tRF-3001a downregulation alleviates retinal vascular dysfunction, inhibits retinal reactive gliosis, facilitates retinal ganglion cell survival, and preserves visual function and visually guided behaviors in STZ-induced diabetic mice and db/db diabetic mice. Mechanistically, tRF-3001a regulates neurovascular dysfunction in a microRNA-like mechanism by targeting GSK3B. Clinically, tRF-3001a is upregulated in aqueous humor (AH) samples of DR patients. tRF-3001a downregulation inhibits DR-induced human retinal vascular endothelial cell and Müller cell dysfunction in vitro and DR-induced retinal neurovascular dysfunction in C57BL/6J mice. Thus, targeting tRF-3001a-mediated signaling is a promising strategy for the concurrent treatment of vasculopathy and neuropathy in diabetes mellitus.
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Affiliation(s)
- Jun-Ya Zhu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200030, China; Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Wen Yao
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Xi-Sen Ni
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Mu-Di Yao
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200030, China
| | - Wen Bai
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Tian-Jing Yang
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Zi-Ran Zhang
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Xiu-Miao Li
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China; Department of Ophthalmology and Optometry, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing 210000, China
| | - Qin Jiang
- Department of Ophthalmology and Optometry, The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China; Department of Ophthalmology and Optometry, The Affiliated Eye Hospital, Nanjing Medical University, Nanjing 210000, China.
| | - Biao Yan
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200030, China; National Health Commission Key Laboratory of Myopia (Fudan University), Chinese Academy of Medical Sciences, Shanghai 200030, China; Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai 200030, China.
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50
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Liao T, Gan M, Lei Y, Wang Y, Chen L, Shen L, Zhu L. Dynamic changes in the transcriptome of tRNA-derived small RNAs related with fat metabolism. Sci Data 2023; 10:703. [PMID: 37838754 PMCID: PMC10576826 DOI: 10.1038/s41597-023-02624-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023] Open
Abstract
The prevalence of obesity and overweight is steadily rising, posing a significant global challenge for humanity. The fundamental cause of obesity and overweight lies in the abnormal accumulation of adipose tissue. While numerous regulatory factors related to fat deposition have been identified in previous studies, a considerable number of regulatory mechanisms remain unknown. tRNA-derived small RNAs (tsRNAs), a novel class of non-coding RNAs, have emerged as significant regulators in various biological processes. In this study, we obtained small RNA sequencing data from subcutaneous white adipose tissue and omental white adipose tissue of lean and obese pigs. In addition, we similarly obtained tsRNAs profiles from scapular brown adipose tissue (BAT), inguinal white adipose tissue (iWAT) and epigonadal white adipose tissue (eWAT) of normal mice. Finally, we successfully identified a large number of expressed tsRNAs in each tissue type and identified tsRNAs conserved in different adipose tissues of pigs and mice. These datasets will be a valuable resource for elucidating the epigenetic mechanisms of fat deposition.
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Affiliation(s)
- Tianci Liao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Mailin Gan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yuhang Lei
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yan Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lei Chen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Linyuan Shen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China.
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Li Zhu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China.
- Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
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