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Li C, Zhu J, Jin H, Feng H, Zhuang H, Du Z, Zhu G, He H, Ye F, Mo Z, Hu Q, Chen Z, Liu K, Wan X. Regulation of plant gene expression by tsRNAs in response to abiotic stress. PeerJ 2025; 13:e19487. [PMID: 40421365 PMCID: PMC12105621 DOI: 10.7717/peerj.19487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2024] [Accepted: 04/27/2025] [Indexed: 05/28/2025] Open
Abstract
Objective Transfer RNA-derived small RNAs (tsRNAs) are emerging regulators of gene expression in response to abiotic stress. This review aims to summarize recent advances in the classification, biogenesis, and biological functions of tsRNAs, with a focus on their roles in plant stress responses and the methodologies for investigating these molecules. Methods We conducted a comprehensive literature search across PubMed, Web of Science, and Google Scholar using keywords such as "tRNA-derived small RNAs", "abiotic stress", "plant gene regulation", and "RNA sequencing". Studies were selected based on their relevance to tsRNA biogenesis pathways, stress-responsive mechanisms, and functional validation in plant systems. Classification of tsRNAs was performed according to cleavage site specificity and nucleotide length. Bioinformatic tools and experimental approaches for tsRNA identification, target prediction, and functional validation were evaluated. Results tsRNAs are categorized into two main types: tRNA-derived stress-induced RNAs (tiRNAs; 29-50 nt) and tRNA-derived fragments (tRFs; 14-40 nt). tiRNAs arise from anticodon loop cleavage by RNase A/T2, while tRFs are generated via Dicer-dependent or -independent pathways. These molecules regulate gene expression at transcriptional, post-transcriptional, and translational levels by interacting with AGO proteins, displacing translation initiation factors, and modulating stress granule assembly. In plants, tsRNAs respond dynamically to abiotic stresses (e.g., drought, salinity, heat), influencing stress signaling pathways and epigenetic modifications. Advanced sequencing techniques (e.g., cP-RNA-seq, RtcB sRNA-seq) and databases (PtRFdb, tRFanalyzer) have facilitated tsRNA discovery and functional annotation. Conclusions tsRNAs represent a versatile class of regulatory molecules in plant stress biology. Their ability to fine-tune gene expression underpins adaptive responses to environmental challenges. Future research should prioritize standardized methodologies for tsRNA profiling, elucidation of stress-specific biogenesis mechanisms, and exploration of their potential as biomarkers or therapeutic targets for crop improvement. Integrating tsRNA research with systems biology approaches will deepen our understanding of plant resilience mechanisms.
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Affiliation(s)
- Chunmei Li
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Jing Zhu
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Han Jin
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Haotian Feng
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Haimin Zhuang
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Zijun Du
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Guolin Zhu
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Haiyang He
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Fuyang Ye
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Zhaohui Mo
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Qingtao Hu
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Zhenbang Chen
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Kai Liu
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Xiaorong Wan
- Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
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Madej M, Ngoc PCT, Muthukumar S, Konturek-Cieśla A, Tucciarone S, Germanos A, Ashworth C, Kotarsky K, Ghosh S, Fan Z, Fritz H, Pascual-Gonzalez I, Huerta A, Guzzi N, Colazzo A, Beneventi G, Lee HM, Cieśla M, Douse C, Kato H, Swaminathan V, Agace WW, Castellanos-Rubio A, Salomoni P, Bryder D, Bellodi C. PUS10-induced tRNA fragmentation impacts retrotransposon-driven inflammation. Cell Rep 2025; 44:115735. [PMID: 40402745 DOI: 10.1016/j.celrep.2025.115735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 02/28/2025] [Accepted: 05/02/2025] [Indexed: 05/24/2025] Open
Abstract
Pseudouridine synthases (PUSs) catalyze the isomerization of uridine (U)-to-pseudouridine (Ψ) and have emerging roles in development and disease. How PUSs adapt gene expression under stress remains mostly unexplored. We identify an unconventional role for the Ψ "writer" PUS10 impacting intracellular innate immunity. Using Pus10 knockout mice, we uncover cell-intrinsic upregulation of interferon (IFN) signaling, conferring resistance to inflammation in vivo. Pus10 loss alters tRNA-derived small RNAs (tdRs) abundance, perturbing translation and endogenous retroelements expression. These alterations promote proinflammatory RNA-DNA hybrids accumulation, potentially activating cyclic GMP-AMP synthase (cGAS)-stimulator of interferon gene (STING). Supplementation with selected tdR pools partly rescues these effects through interactions with RNA processing factors that modulate immune responses, revealing a regulatory circuit that counteracts cell-intrinsic inflammation. By extension, we define a PUS10-specific molecular fingerprint linking its dysregulation to human autoimmune disorders, including inflammatory bowel diseases. Collectively, these findings establish PUS10 as a viral mimicry modulator, with broad implications for innate immune homeostasis and autoimmunity.
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Affiliation(s)
- Magdalena Madej
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Phuong Cao Thi Ngoc
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Sowndarya Muthukumar
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Anna Konturek-Cieśla
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden; Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Silvia Tucciarone
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Alexandre Germanos
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Christian Ashworth
- LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Knut Kotarsky
- Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Sudip Ghosh
- Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Zhimeng Fan
- Division of Oncology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Helena Fritz
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | | | - Alain Huerta
- University of the Basque Country, UPV-EHU, Leioa, Spain; Biobizkaia Research Institute, Cruces-Barakaldo, Spain; Galdakao University Hospital, Galdakao, Spain
| | - Nicola Guzzi
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Anita Colazzo
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Giulia Beneventi
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Hang-Mao Lee
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Maciej Cieśla
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden; International Institute of Molecular Mechanisms and Machines, Polish Academy of Sciences, Warsaw, Poland
| | - Christopher Douse
- Epigenetics and Chromatin Dynamics, Department of Experimental Medical Science, Wallenberg Neuroscience Center and Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Hiroki Kato
- Institute of Cardiovascular Immunology, Medical Faculty, University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Vinay Swaminathan
- Division of Oncology, Department of Clinical Sciences, Lund University, Lund, Sweden; Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - William W Agace
- LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark; Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Ainara Castellanos-Rubio
- University of the Basque Country, UPV-EHU, Leioa, Spain; Biobizkaia Research Institute, Cruces-Barakaldo, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas CIBERDEM, Instituto de Salud Carlos III, Madrid, Spain; Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Paolo Salomoni
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - David Bryder
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden
| | - Cristian Bellodi
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medicine, Lund University, Lund, Sweden; Biotech Research Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark.
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Rui T, Zhu K, Mao Z, Wu J, Pan Y, Ye Q, Chen C, Xiang A, Guo J, Tang N, Zhang J, Zheng S, Liu J, Xu X. A Novel tRF, HCETSR, Derived From tRNA-Glu/TTC, Inhibits HCC Malignancy by Regulating the SPBTN1-catenin Complex Axis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2025; 12:e2415229. [PMID: 39921434 PMCID: PMC11967833 DOI: 10.1002/advs.202415229] [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: 11/19/2024] [Revised: 01/20/2025] [Indexed: 02/10/2025]
Abstract
tRNA-derived fragments (tRFs), a novel class of small non-coding RNAs cleaved from transfer RNAs, have been implicated in tumor regulation. In this study, the role of a specific tRF, HCETSR is investigated, which is significantly downregulated in hepatocellular carcinoma (HCC) and correlates with advanced tumor burden and higher HCC mortality. Functional analyses revealed that HCETSR inhibits HCC malignancy and serves as an independent predictor of poor prognosis. Mechanistically, a novel SPTBN1/catenin complex axis regulated by HCETSR is identified. HCETSR binds to a critical domain of SPTBN1, disrupting its interaction with the catenin complex (comprising β-catenin, α-catenin, and P120-catenin), and facilitates the transfer of the catenin complex from the cell membrane to the nucleus. Specifically, HCETSR decreases the proteasomal degradation of β-catenin and inhibits the synthesis of nascent β-catenin. Furthermore, HCETSR suppresses the transcriptional activity of LEF1 through P120-catenin rather than α-catenin, thereby reducing β-catenin's influence on LEF1 activity. It is demonstrated that HCETSR is spliced from tRNA-Glu/TTC. The biogenesis of HCETSR and tRNA-Glu/TTC is regulated by the spliceosome and Dicer1. In conclusion, These findings suggest that HCETSR, derived from tRNA-Glu/TTC, inhibits HCC malignancy via modulation of the SPTBN1/catenin axis and may represent a promising prognostic marker and therapeutic strategy for HCC.
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Affiliation(s)
- Tao Rui
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
- The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou310003China
| | - Kangbei Zhu
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Zonglei Mao
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Jiaping Wu
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
- The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou310003China
| | - Yi Pan
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
- The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou310003China
| | - Qianwei Ye
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
- The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou310003China
| | - Cong Chen
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
- The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People's HospitalZhejiang University School of MedicineHangzhou310003China
| | - Aizhai Xiang
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Jufeng Guo
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Ning Tang
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Jing Zhang
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Shusen Zheng
- Department of SurgeryCollaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseasesthe First Affiliated HospitalZhejiang University School of MedicineZhejiang University HangzhouHangzhou310003China
| | - Jian Liu
- Department of SurgeryAffiliated Hangzhou First People's HospitalSchool of MedicineWestlake UniversityHangzhou310003China
| | - Xiao Xu
- School of Clinical MedicineHangzhou Medical CollegeHangzhou310059China
- Institute of Translational MedicineZhejiang UniversityHangzhou310000China
- NHC Key Laboratory of Combined Multi‐Organ TransplantationInstitute of Organ TransplantationZhejiang UniversityHangzhou310003China
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4
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Swain SP, Bisht N, Kumar S. Comprehensive study of tRNA-derived fragments in plants for biotic stress responses. Funct Integr Genomics 2025; 25:70. [PMID: 40131555 DOI: 10.1007/s10142-025-01576-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2025] [Revised: 02/28/2025] [Accepted: 03/11/2025] [Indexed: 03/27/2025]
Abstract
Plant growth and development are often disrupted by biological stressors as they interfere with the regulatory pathways. Among the key regulators, transfer-RNA-derived fragments (tRFs) have emerged as key players in plant defense mechanisms. While tRF-mediated responses to abiotic stress have been well studied, their role in biotic stress remains less understood, as various stressors may elicit different regulatory systems. In this study, tRF-mediated biotic responses in three species, viz. Arabidopsis thaliana, Oryza sativa, and Solanum lycopersicum are investigated using in-silico approaches. Analysis of predicted tRFs across various biotic stress conditions reveals specific interactions with mRNA targets, microRNAs (miRNAs), and transposable elements (TEs), highlighting their regulatory significance in plant adaptation mechanisms. These findings provide new insights into tRF-mediated stress responses and establish a computational framework for further functional studies. The study's database is publicly available at http://www.nipgr.ac.in/PbtRFdb .
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Affiliation(s)
- Supriya P Swain
- Bioinformatics Lab, National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Niyati Bisht
- Bioinformatics Lab, National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Shailesh Kumar
- Bioinformatics Lab, National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India.
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Zhu J, Zhang X, Luo T, Xue C, Chao J, Li J, Zhu B, Jin L, Zhu C, Qin X. tRF-Pro-CGG Suppresses Cell Proliferation and Promotes Apoptosis in Pancreatic Cancer. Dig Dis Sci 2025:10.1007/s10620-025-08943-x. [PMID: 40056302 DOI: 10.1007/s10620-025-08943-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 02/18/2025] [Indexed: 03/10/2025]
Abstract
OBJECTIVE This study aimed to investigate the role of tRNA-derived RNA fragment tRF-Pro-CGG in pancreatic cancer (PC), focusing on its expression levels in PC tissues and cell lines, and its effects on cell proliferation, clonality, migration, invasion, and apoptosis. Additionally, the study explored the potential of tRF-Pro-CGG as a diagnostic biomarker and therapeutic target in PC. METHODS The expression levels of tRF-Pro-CGG in PC tissues and cell lines were analyzed using next-generation sequencing and quantitative real-time PCR (qRT-PCR). Functional assays, including cell proliferation (CCK-8), colony formation, migration (Transwell), invasion (Matrigel), and apoptosis (flow cytometry), were conducted on PC cell lines (SW1990 and PANC-1) transfected with tRF-Pro-CGG mimic or inhibitor. Dual luciferase reporter assays and Western blotting were used to identify and validate the target gene of tRF-Pro-CGG, CSF1, and its involvement in the PI3K-AKT signaling pathway. RESULTS tRF-Pro-CGG was significantly downregulated in PC tissues and cell lines compared to normal tissues and cells. Overexpression of tRF-Pro-CGG in SW1990 cells inhibited cell proliferation, clonality, migration, and invasion, while promoting apoptosis. Conversely, inhibition of tRF-Pro-CGG in PANC-1 cells had the opposite effects. Dual luciferase assays confirmed CSF1 as a direct target of tRF-Pro-CGG, and Western blot analysis showed that tRF-Pro-CGG negatively regulated CSF1 expression. Furthermore, tRF-Pro-CGG was found to modulate the PI3K-AKT signaling pathway, with downstream effects on key molecules such as AKT, P-AKT, and PTEN. CONCLUSION tRF-Pro-CGG acts as a tumor suppressor in pancreatic cancer by inhibiting cell proliferation, migration, invasion, and promoting apoptosis, likely through targeting CSF1 and regulating the PI3K-AKT signaling pathway. These findings suggest that tRF-Pro-CGG could serve as a potential diagnostic biomarker and therapeutic target for pancreatic cancer.
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Affiliation(s)
- Jikuan Zhu
- Graduate School of Dalian Medical University, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Xudong Zhang
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Tianping Luo
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Cailin Xue
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Jiadeng Chao
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Jun Li
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Bei Zhu
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Lei Jin
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China.
| | - Chunfu Zhu
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
| | - Xihu Qin
- Department of Hepato-Biliary-Pancreatic Surgery, The Affiliated Changzhou No.2 People'S Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu, China
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Li Y, Kong L, Mu H, Wang J, Li F, Kuang Y, Duan W, Fan P, Yuan L, Liang Z, Wang L. Transcriptome analysis and functional identification of transfer RNA-derived fragments in grape leaves exposed to UV-C radiation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2025; 219:109425. [PMID: 39718286 DOI: 10.1016/j.plaphy.2024.109425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2024] [Revised: 12/09/2024] [Accepted: 12/17/2024] [Indexed: 12/25/2024]
Abstract
Transfer RNA-derived fragments (tRFs) are noncoding small RNAs derived from transfer RNAs (tRNAs) in microorganisms, animals and plants. In plants, tRFs are known to respond to environmental stimuli, including heat, oxidative stress and UV radiation; however, their specific functions in horticultural plants, such as grapevine, remain poorly understood. In this study, we used RNA-seq to identify differentially expressed genes (DEGs) in grape leaves exposed to UV-C radiation. A total of 1329 and 8055 of genes were differentially expression after 1 and 6 h of UV-C treatment, respectively. We identified a large number of secondary metabolism-related genes in the DEGs, including genes involved in stilbene and flavonoid biosynthesis. Noticeably, the stilbene biosynthesis-related gene was induced earlier than the other genes in the phenylalanine metabolic pathway. We also conducted small RNA-seq and identified differentially expressed (DE) miRNAs and their targets. To explore whether the tRFs involved in UV-C response, further analysis of the small RNA-seq data revealed 23 down-regulated and 41 up-regulated DE tRFs. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) showed that the target genes of these tRFs are involved in multiple biological processing, including hormone signal transduction and metabolite synthesis. To validate the function of tRFs, tRF39 and tRF45 were selected and overexpressed in tobacco leaves, and the expression levels of their target genes were inhibited. Our study suggests that the tRFs may regulate multiple biological processes in response to UV-C exposure in grapevine. Our findings provide a foundation for further elucidating the regulatory mechanisms of tRFs in horticultural crops.
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Affiliation(s)
- Yang Li
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Lingchao Kong
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Huayuan Mu
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Jiayu Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Furui Li
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Yangfu Kuang
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Wei Duan
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Peige Fan
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Ling Yuan
- Department of Plant and Soil Sciences, Kentucky Tobacco Research and Development Center, University of Kentucky, Kentucky, 40546, USA.
| | - Zhenchang Liang
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
| | - Lijun Wang
- Beijing Key Laboratory of Grape Science and Enology and State Key Laboratory of Plant Diversity and Specilaty Crops, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Chinese National Botany Garden, Beijing, 100093, China.
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Castellano M, Calzi ML, Garcia MR, Cayota A, Tosar JP. Discrimination between vesicular and nonvesicular extracellular tRNAs and their fragments. Methods Enzymol 2025; 711:171-185. [PMID: 39952704 DOI: 10.1016/bs.mie.2024.11.042] [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] [Indexed: 02/17/2025]
Abstract
The extracellular space contains RNAs both inside and outside extracellular vesicles (EVs). Among RNA types, tRNAs and tRNA-derived small RNAs (tDRs) tend to be abundant and are frequently detected when performing small RNA sequencing of extracellular samples. For several applications, including answering basic biology questions and biomarker discovery, it is important to understand which specific extracellular tRNAs and tDRs are inside EVs and which are not. We have observed that EVs contain mainly full-length tRNAs, while cells also release full-length tRNAs into nonvesicular fractions. However, these nonvesicular tRNAs are fragmented by extracellular ribonucleases into nicked tRNAs, which can dissociate into tDRs both in extracellular samples and in the laboratory. It is therefore crucial to separate EVs from other nonvesicular RNA-containing extracellular carriers to prevent cross-contamination. Otherwise, extracellular tDR profiling may mix up signals coming from structurally and functionally different carrier types. Here, we provide two protocols that achieve this by: (a) density gradient separation and, (b) the use of commercial, pre-packed size-exclusion chromatography columns. The first protocol is time-consuming but achieves high resolution, while the second protocol is faster, simpler, and recommended for routine separations. Taken together, they form a solid experimental toolkit for addressing different questions related to extracellular tRNA biology or biomarker discovery.
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Affiliation(s)
- Mauricio Castellano
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay; Immunoregulation and Inflammation Laboratory, Institut Pasteur Montevideo, Montevideo, Uruguay; Analytical Biochemistry Unit, Center for Nuclear Research, School of Science, Universidad de la Republica, Montevideo, Uruguay
| | - Marco Li Calzi
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Maria Rosa Garcia
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Alfonso Cayota
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay; Hospital de Clínicas, Universidad de la República, Montevideo, Uruguay
| | - Juan Pablo Tosar
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay; Analytical Biochemistry Unit, Center for Nuclear Research, School of Science, Universidad de la Republica, Montevideo, Uruguay.
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8
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Sharma M, Singh U. Role of tRNA-Derived Fragments in Protozoan Parasite Biology. Cells 2025; 14:115. [PMID: 39851543 PMCID: PMC11764236 DOI: 10.3390/cells14020115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2024] [Revised: 12/19/2024] [Accepted: 01/07/2025] [Indexed: 01/26/2025] Open
Abstract
tRNA molecules are among the most fundamental and evolutionarily conserved RNA types, primarily facilitating the translation of genetic information from mRNA into proteins. Beyond their canonical role as adaptor molecules during protein synthesis, tRNAs have evolved to perform additional functions. One such non-canonical role for tRNAs is through the generation of tRNA-derived fragments via specific cleavage processes. These tRNA-derived small RNAs (tsRNAs) are present across all three domains of life, including in protozoan parasites. They are formed through the cleavage of the parent tRNA molecules at different sites, resulting in either tRNA halves or smaller fragments. The precise mechanisms underlying the synthesis of various tRNA-derived fragments, including the specific RNases involved, as well as their distinct functions and roles in parasite physiology, are not yet fully understood and remain an active area of ongoing research. However, their role in modulating gene expression, particularly during stress responses, is becoming increasingly evident. In this context, we discuss recent findings on the roles of tRNA-derived small RNA in various protozoan parasites. Furthermore, we investigate how these tsRNAs either modulate gene expression within the parasite itself or are packaged into extracellular vesicles to alter host gene expression, thereby promoting parasite survival and adaptation.
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Affiliation(s)
- Manu Sharma
- Division of Infectious Diseases, School of Medicine, Stanford University, Stanford, CA 94305, USA;
| | - Upinder Singh
- Division of Infectious Diseases, School of Medicine, Stanford University, Stanford, CA 94305, USA;
- Department of Microbiology and Immunology, School of Medicine, Stanford University, Stanford, CA 94305, USA
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9
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Rosina A, Polacek N, Rauscher R. Ribosome-associated tDRs in yeast. Methods Enzymol 2024; 711:85-101. [PMID: 39952719 DOI: 10.1016/bs.mie.2024.11.006] [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] [Indexed: 02/17/2025]
Abstract
The regulation of gene expression in response to environmental stress is a key process that ensures cellular survival across all three domains of life. The adjustment of protein synthesis appears to be one of the initial steps toward the response and adaptation to stress. Ribosome-associated non-coding RNAs (rancRNAs) efficiently regulate translation as an immediate response to stress by directly targeting the ribosome and fine-tuning translation. tRNA-derived RNAs (tDRs) are part of the RNA species that constitute the functionally diverse class of rancRNAs. Here we report a new experimental approach for creating deep sequencing libraries of ribosome-associated small RNAs in yeast utilizing state-of-the-art technologies. Our new strategy is supported by validating previously identified rancRNAs and discovering novel tDRs interacting with the Saccharomyces cerevisiae ribosome.
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Affiliation(s)
- Alessia Rosina
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Norbert Polacek
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Bern, Switzerland.
| | - Robert Rauscher
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Bern, Switzerland.
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10
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Berrissou C, Drouard L. In vitro functional analysis of plant tDRs. Methods Enzymol 2024; 711:203-221. [PMID: 39952706 DOI: 10.1016/bs.mie.2024.11.011] [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] [Indexed: 02/17/2025]
Abstract
In the world of small non-coding RNAs, tRNA-derived RNAs (tDRs) have emerged in recent years as being involved in a wide range of biological functions in every domain of life. In plants, our knowledge of the roles of tDRs is still very sparse. Nevertheless, the data produced to date demonstrate their importance in regulating gene expression at the transcriptional and post-transcriptional levels, during development, or in response to biotic and abiotic stresses. Studying the functions of plant tDRs in vivo is not an easy task, and in vitro studies offer an interesting alternative. Here we describe two in vitro approaches aimed at deciphering molecular mechanisms involving plant tDRs. On the one hand, we describe how to identify tDRs capable of inhibiting protein synthesis in vitro, and on the other, we explain how to use protoplast transfection to study the localization of tDRs and determine their protein interactome.
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Affiliation(s)
- Christina Berrissou
- Institut de Biologie Moléculaire des Plantes-CNRS, Université de Strasbourg, 12 rue du Général Zimmer, Strasbourg, France
| | - Laurence Drouard
- Institut de Biologie Moléculaire des Plantes-CNRS, Université de Strasbourg, 12 rue du Général Zimmer, Strasbourg, France.
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11
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Oberbauer V, Drino A, Schaefer MR. Determining small RNA-interacting proteomes using endogenously modified tRNA-derived RNAs. Methods Enzymol 2024; 711:356-380. [PMID: 39952715 DOI: 10.1016/bs.mie.2024.11.005] [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] [Indexed: 02/17/2025]
Abstract
tRNA-derived RNAs (tDRs), resulting from enzyme-mediated hydrolysis of tRNAs, have been implicated as active small RNAs in various molecular processes. While the molecular modes of action for these small RNAs remain unclear, attempts to decipher the mechanistic details of tDR functionality have mostly used synthetic tDR sequences. Since parental tRNAs are extensively post-transcriptionally modified, tDR functionality is likely affected by chemical modifications. To help approach the biological function of endogenously modified tDRs, this contribution details a protocol that allows purifying specific tDRs carrying post-transcriptional modifications from both in vivo and in vitro sources. Purified tDRs can be used for various downstream applications including differential affinity capture of tDR-binding proteins, the details of which are also described in this contribution.
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Affiliation(s)
- Vera Oberbauer
- Center for Anatomy and Cell Biology, Medical University Vienna, Schwarzspanierstrasse, Vienna, Austria
| | - Aleksej Drino
- Center for Anatomy and Cell Biology, Medical University Vienna, Schwarzspanierstrasse, Vienna, Austria
| | - Matthias R Schaefer
- Center for Anatomy and Cell Biology, Medical University Vienna, Schwarzspanierstrasse, Vienna, Austria.
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12
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Uzelac M, Ongkeko WM. Assessing the diagnostic utility of tRNA-derived fragments as biomarkers of head and neck cancer. Transl Oncol 2024; 50:102135. [PMID: 39317063 PMCID: PMC11462370 DOI: 10.1016/j.tranon.2024.102135] [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: 07/14/2024] [Revised: 09/09/2024] [Accepted: 09/19/2024] [Indexed: 09/26/2024] Open
Abstract
Roughly 54,000 individuals are diagnosed with head and neck cancers in the United States yearly. Transfer RNA-derived fragments (tRF) are the products of enzymatic cleavage of precursor tRNAs, and have been proposed for use as biomarkers of head and neck cancer. In this study, we aim to further analyze the utility that tRFs might provide as biomarkers of head and neck cancer. tRF read counts were obtained for 453 tumor and 44 adjacent normal tissue samples and used to construct a gradient boosting diagnostic model. Although we identified 129 tRFs that were significantly dysregulated between these samples, the model achieved a sensitivity of only 69 % and a specificity of 59 %. tRFs are thought to induce the degradation of mRNA transcripts containing a complementary "seed" region. Despite the above performances, we chose to explore this concept of translational regulation by analyzing these tRFs for inverse correlation to the expression of select oncogenes and tumor suppressor genes implicated in head and neck cancer. Among others, CysGCA 5'-half and LysCTT 3'-tRF were upregulated in the tumor samples, and corresponded to decreased expression of PIK3R1, AKT1, and CPEB3. These transcripts were further found to contain numerous significantly complementary sites at which tRF-mediated mRNA degradation might occur. Although these tRFs did appear to correlate to many of the oncogenic metrics analyzed, we believe that additional research is needed before they might be used to improve the diagnosis, treatment, and survival of patients with this disease.
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Affiliation(s)
- Matthew Uzelac
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Diego, La Jolla, CA 92093, United States; Research Service, VA San Diego Healthcare System, San Diego, CA 92161, United States; Stanford University School of Medicine, Stanford, CA 94305, United States
| | - Weg M Ongkeko
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Diego, La Jolla, CA 92093, United States; Research Service, VA San Diego Healthcare System, San Diego, CA 92161, United States.
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13
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Zhang Z, Qiao Y, Ji J, Huang C, Shi H, Gan W, Zhang A. The potential role of differentially expressed tRNA-derived fragments in high glucose-induced podocytes. Ren Fail 2024; 46:2318413. [PMID: 38369750 PMCID: PMC10878346 DOI: 10.1080/0886022x.2024.2318413] [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: 08/17/2023] [Accepted: 02/08/2024] [Indexed: 02/20/2024] Open
Abstract
The prevalence of diabetic kidney disease (DKD) is increasing annually. Damage to and loss of podocytes occur early in DKD. tRNA-derived fragments (tRFs), originating from tRNA precursors or mature tRNAs, are associated with various illnesses. In this study, tRFs were identified, and their roles in podocyte injury induced by high-glucose (HG) treatment were explored. High-throughput sequencing of podocytes treated with HG was performed to identify differentially expressed tRFs. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed. The expression levels of nephrin, podocin, and desmin were measured in podocytes after overexpression of tRF-1:24-Glu-CTC-1-M2 (tRF-1:24) and concomitant HG treatment. A total of 647 tRFs were identified, and 89 differentially expressed tRFs (|log2FC| ≥ 0.585; p ≤ .05) were identified in the HG group, of which 53 tRFs were downregulated and 36 tRFs were upregulated. The 10 tRFs with the highest differential expression were detected by real-time quantitative polymerase chain reaction (RT-qPCR), and these results were consistent with the sequencing results. GO analysis revealed that the biological process, cellular component, and molecular function terms in which the tRFs were the most enriched were cellular processes, cellular anatomical entities, and binding. KEGG pathway analysis revealed that tRFs may be involved in signaling pathways related to growth hormones, phospholipase D, the regulation of stem cell pluripotency, and T-/B-cell receptors. Overexpression of tRF-1:24, one of the most differentially expressed tRFs, attenuated podocyte injury induced by HG. Thus, tRFs might be potential biomarkers for podocyte injury in DKD.
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Affiliation(s)
- Zhenxing Zhang
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yunyang Qiao
- Department of Pediatrics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jialing Ji
- Department of Pediatrics, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chan Huang
- Department of Pediatrics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Huimin Shi
- Department of Pediatrics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Weihua Gan
- Department of Pediatrics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Aiqing Zhang
- Department of Pediatrics, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing, China
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14
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Gaylord A, Holzhausen EA, Chalifour B, Patterson WB, Tung PW, Baccarelli AA, Goran MI, Alderete TL, Kupsco A. tRNA-derived RNAs in human milk extracellular vesicles and associations with breastfeeding variables and maternal diet. Epigenomics 2024; 16:1429-1441. [PMID: 39580634 PMCID: PMC11622811 DOI: 10.1080/17501911.2024.2430943] [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: 07/10/2024] [Accepted: 11/14/2024] [Indexed: 11/26/2024] Open
Abstract
AIMS To describe tDRs in human milk EVs and their associations with maternal body mass index, age, dietary indices, breastfeeding frequency, season and time of milk collection in a Latina population. MATERIALS & METHODS We sequenced small RNAs from EVs from 109 mature human milk samples collected at 1 month after delivery in the Southern California Mother's Milk Study. We grouped tDRs using hierarchical clustering and clusters were compared across tDR characteristics. We analyzed associations of tDRs with intrinsic maternal variables (body mass index, age), maternal nutrition (caloric intake, Healthy Eating Index, Dietary Inflammatory Index), and variables related to feeding and milk collection (breastfeeding frequency, season and time of milk collection) using negative binomial models. RESULTS We identified 338 tDRs expressed in 90% or more of milk EV samples, of which 113 were identified in all samples. tDR-1:26-Gly-CCC-1-M4 accounted for most reads (79%). Pathway analysis revealed a wide array of biological processes and disease mechanisms across the four tDR clusters. tDRs were associated with season of collection, time of collection, breastfeeding frequency, and the dietary inflammatory index. CONCLUSIONS tDRs are abundant in milk EVs and may be sensitive to maternal diet, seasonality, time of day, and breastfeeding frequency.
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Affiliation(s)
- Abigail Gaylord
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | | | - Bridget Chalifour
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - William B. Patterson
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Pei Wen Tung
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Andrea A. Baccarelli
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Michael I. Goran
- Department of Pediatrics, Children’s Hospital Los Angeles, Los Angeles, CA, USA
| | - Tanya L. Alderete
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Allison Kupsco
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
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15
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Kim YS, Kimball SR, Piskounova E, Begley TJ, Hempel N. Stress response regulation of mRNA translation: Implications for antioxidant enzyme expression in cancer. Proc Natl Acad Sci U S A 2024; 121:e2317846121. [PMID: 39495917 PMCID: PMC11572934 DOI: 10.1073/pnas.2317846121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2024] Open
Abstract
From tumorigenesis to advanced metastatic stages, tumor cells encounter stress, ranging from limited nutrient and oxygen supply within the tumor microenvironment to extrinsic and intrinsic oxidative stress. Thus, tumor cells seize regulatory pathways to rapidly adapt to distinct physiologic conditions to promote cellular survival, including manipulation of mRNA translation. While it is now well established that metastatic tumor cells must up-regulate their antioxidant capacity to effectively spread and that regulation of antioxidant enzymes is imperative to disease progression, relatively few studies have assessed how translation and the hijacking of RNA systems contribute to antioxidant responses of tumors. Here, we review the major stress signaling pathways involved in translational regulation and discuss how these are affected by oxidative stress to promote prosurvival changes that manipulate antioxidant enzyme expression. We describe how tumors elicit these adaptive responses and detail how stress-induced translation can be regulated by kinases, RNA-binding proteins, RNA species, and RNA modification systems. We also highlight opportunities for further studies focused on the role of mRNA translation and RNA systems in the regulation of antioxidant enzyme expression, which may be of particular importance in the context of metastatic progression and therapeutic resistance.
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Affiliation(s)
- Yeon Soo Kim
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA17033
| | - Scot R. Kimball
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA17033
| | - Elena Piskounova
- Department of Dermatology, Meyer Cancer Center, Weill Cornell Medicine, New York, NY10021
| | - Thomas J. Begley
- The RNA Institute and Department of Biological Sciences, University at Albany, Albany, NY12222
| | - Nadine Hempel
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA15213
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16
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Wang M, Guo J, Chen W, Wang H, Hou X. Emerging roles of tRNA-derived small RNAs in injuries. PeerJ 2024; 12:e18348. [PMID: 39465146 PMCID: PMC11512806 DOI: 10.7717/peerj.18348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 09/27/2024] [Indexed: 10/29/2024] Open
Abstract
tRNA-derived small RNAs (tsRNAs) are a novel class of small noncoding RNAs, precisely cleaved from tRNA, functioning as regulatory molecules. The topic of tsRNAs in injuries has not been extensively discussed, and studies on tsRNAs are entering a new era. Here, we provide a fresh perspective on this topic. We systematically reviewed the classification, generation, and biological functions of tsRNAs in response to stress, as well as their potential as biomarkers and therapeutic targets in various injuries, including lung injury, liver injury, renal injury, cardiac injury, neuronal injury, vascular injury, skeletal muscle injury, and skin injury. We also provided a fresh perspective on the association between stress-induced tsRNAs and organ injury from a clinical perspective.
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Affiliation(s)
- Mengjun Wang
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Junfeng Guo
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Wei Chen
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Hong Wang
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xiaotong Hou
- Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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17
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Herrero‐Lorenzo M, Pérez‐Pérez J, Escaramís G, Martínez‐Horta S, Pérez‐González R, Rivas‐Asensio E, Kulisevsky J, Gámez‐Valero A, Martí E. Small RNAs in plasma extracellular vesicles define biomarkers of premanifest changes in Huntington's disease. J Extracell Vesicles 2024; 13:e12522. [PMID: 39377487 PMCID: PMC11633361 DOI: 10.1002/jev2.12522] [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: 01/30/2024] [Revised: 08/06/2024] [Accepted: 09/10/2024] [Indexed: 10/09/2024] Open
Abstract
Despite the advances in the understanding of Huntington's disease (HD), there is a need for molecular biomarkers to categorize mutation carriers during the preclinical stage of the disease preceding functional decline. Small RNAs (sRNAs) are a promising source of biomarkers since their expression levels are highly sensitive to pathobiological processes. Here, using an optimized method for plasma extracellular vesicles (EVs) purification and an exhaustive analysis pipeline of sRNA sequencing data, we show that EV-sRNAs are downregulated early in mutation carriers and that this deregulation is associated with premanifest cognitive performance. Seven candidate sRNAs (tRF-Glu-CTC, tRF-Gly-GCC, miR-451a, miR-21-5p, miR-26a-5p, miR-27a-3p and let7a-5p) were validated in additional subjects, showing a significant diagnostic accuracy at premanifest stages. Of these, miR-21-5p was significantly decreased over time in a longitudinal study; and miR-21-5p and miR-26a-5p levels correlated with cognitive changes in the premanifest cohort. In summary, the present results suggest that deregulated plasma EV-sRNAs define an early biosignature in mutation carriers with specific species highlighting the progression and cognitive changes occurring at the premanifest stage.
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Affiliation(s)
- Marina Herrero‐Lorenzo
- Department of BiomedicineFaculty of Medicine, Institute of NeurosciencesUniversity of BarcelonaBarcelonaCatalunyaSpain
| | - Jesús Pérez‐Pérez
- Movement Disorders UnitNeurology DepartmentSant Pau HospitalBarcelonaCatalunyaSpain
- Biomedical Research Institute (IIB‐Sant Pau)BarcelonaCatalunyaSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Georgia Escaramís
- Department of BiomedicineFaculty of Medicine, Institute of NeurosciencesUniversity of BarcelonaBarcelonaCatalunyaSpain
- Biomedical Research Networking Center for Epidemiology and Public Health (CIBERESP)Spanish Ministry of Science and InnovationMadridSpain
| | - Saül Martínez‐Horta
- Movement Disorders UnitNeurology DepartmentSant Pau HospitalBarcelonaCatalunyaSpain
- Biomedical Research Institute (IIB‐Sant Pau)BarcelonaCatalunyaSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Rocío Pérez‐González
- Movement Disorders UnitNeurology DepartmentSant Pau HospitalBarcelonaCatalunyaSpain
- Biomedical Research Institute (IIB‐Sant Pau)BarcelonaCatalunyaSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
- Alicante Institute for Health and Biomedical Research (ISABIAL) and Neuroscience InstituteAlicanteSpain
| | - Elisa Rivas‐Asensio
- Movement Disorders UnitNeurology DepartmentSant Pau HospitalBarcelonaCatalunyaSpain
- Biomedical Research Institute (IIB‐Sant Pau)BarcelonaCatalunyaSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Jaime Kulisevsky
- Movement Disorders UnitNeurology DepartmentSant Pau HospitalBarcelonaCatalunyaSpain
- Biomedical Research Institute (IIB‐Sant Pau)BarcelonaCatalunyaSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Ana Gámez‐Valero
- Department of BiomedicineFaculty of Medicine, Institute of NeurosciencesUniversity of BarcelonaBarcelonaCatalunyaSpain
- Biomedical Research Networking Center for Epidemiology and Public Health (CIBERESP)Spanish Ministry of Science and InnovationMadridSpain
| | - Eulàlia Martí
- Department of BiomedicineFaculty of Medicine, Institute of NeurosciencesUniversity of BarcelonaBarcelonaCatalunyaSpain
- Biomedical Research Networking Center for Epidemiology and Public Health (CIBERESP)Spanish Ministry of Science and InnovationMadridSpain
- August Pi i Sunyer Biomedical research Institute (IDIBAPS), BarcelonaCatalunyaSpain
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18
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Velázquez-Flores MÁ, Ruiz Esparza-Garrido R. Fragments derived from non-coding RNAs: how complex is genome regulation? Genome 2024; 67:292-306. [PMID: 38684113 DOI: 10.1139/gen-2023-0136] [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] [Indexed: 05/02/2024]
Abstract
The human genome is highly dynamic and only a small fraction of it codes for proteins, but most of the genome is transcribed, highlighting the importance of non-coding RNAs on cellular functions. In addition, it is now known the generation of non-coding RNA fragments under particular cellular conditions and their functions have revealed unexpected mechanisms of action, converging, in some cases, with the biogenic pathways and action machineries of microRNAs or Piwi-interacting RNAs. This led us to the question why the cell produces so many apparently redundant molecules to exert similar functions and regulate apparently convergent processes? However, non-coding RNAs fragments can also function similarly to aptamers, with secondary and tertiary conformations determining their functions. In the present work, it was reviewed and analyzed the current information about the non-coding RNAs fragments, describing their structure and biogenic pathways, with special emphasis on their cellular functions.
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Affiliation(s)
- Miguel Ángel Velázquez-Flores
- Laboratorio de RNAs No Codificantes de la Unidad de Investigación Médica en Genética Humana, Hospital de Pediatría del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), CDMX, México
| | - Ruth Ruiz Esparza-Garrido
- Investigadora por México, Laboratorio de RNAs No Codificantes de la Unidad de Investigación Médica en Genética Humana, Hospital de Pediatría del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), CDMX, México
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19
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Chen L, Wu Y, Tang Q, Tang F. Oncogenic-tsRNA: A novel diagnostic and therapeutic molecule for cancer clinic. J Cancer 2024; 15:5403-5414. [PMID: 39247588 PMCID: PMC11375551 DOI: 10.7150/jca.98656] [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: 05/20/2024] [Accepted: 07/29/2024] [Indexed: 09/10/2024] Open
Abstract
tsRNA (tRNA-derived small RNA) is derived from mature tRNA or precursor tRNA (pre-tRNAs). It is lately found that tsRNA's aberrant expression is associated with tumor occurrence and development, it may be used a molecule of diagnosis and therapy. Based on the cleavage position of pre-tRNAs or mature tRNAs, tsRNAs are classified into two categories: tRNA-derived fragments (tRFs) and tRNA halves (also named tiRNAs or tRHs). tsRNAs display more stability within cells, tissues, and peripheral blood than other small non-coding RNAs (sncRNAs), and play a role of stable entities that function in various biological contexts, thus, they may serve as functional molecules in human disease. Recently, tsRNAs have been found in a large number of tumors including such as lung cancer, breast cancer, gastric cancer, colorectal cancer, liver cancer, and prostate cancer. Although the biological function of tsRNAs is still poorly understood, increasing evidences have indicated that tsRNAs have a great significance and potential in early tumor screening and diagnosis, therapeutic targets and application, and prognosis. In the present review, we mainly describe tsRNAs in tumors and their potential clinical value in early screening and diagnosis, therapeutic targets and application, and prognosis, it provides theoretical support and guidance for further revealing the therapeutic potential of tsRNAs in tumor.
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Affiliation(s)
- Lin Chen
- The First Clinical College of Hunan University of Chinese Medicine & Hunan Cancer Hospital, Changsha, 410007, China
- Hunan Key Laboratory of Oncotarget Gene and Clinical Laboratory of the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Yao Wu
- The First Clinical College of Hunan University of Chinese Medicine & Hunan Cancer Hospital, Changsha, 410007, China
| | - Qi Tang
- The First Clinical College of Hunan University of Chinese Medicine & Hunan Cancer Hospital, Changsha, 410007, China
| | - Faqing Tang
- The First Clinical College of Hunan University of Chinese Medicine & Hunan Cancer Hospital, Changsha, 410007, China
- Hunan Key Laboratory of Oncotarget Gene and Clinical Laboratory of the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, China
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20
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Leng X, Zhang M, Xu Y, Wang J, Ding N, Yu Y, Sun S, Dai W, Xue X, Li N, Yang Y, Shi Z. Non-coding RNAs as therapeutic targets in cancer and its clinical application. J Pharm Anal 2024; 14:100947. [PMID: 39149142 PMCID: PMC11325817 DOI: 10.1016/j.jpha.2024.02.001] [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: 10/27/2023] [Revised: 01/12/2024] [Accepted: 02/01/2024] [Indexed: 08/17/2024] Open
Abstract
Cancer genomics has led to the discovery of numerous oncogenes and tumor suppressor genes that play critical roles in cancer development and progression. Oncogenes promote cell growth and proliferation, whereas tumor suppressor genes inhibit cell growth and division. The dysregulation of these genes can lead to the development of cancer. Recent studies have focused on non-coding RNAs (ncRNAs), including circular RNA (circRNA), long non-coding RNA (lncRNA), and microRNA (miRNA), as therapeutic targets for cancer. In this article, we discuss the oncogenes and tumor suppressor genes of ncRNAs associated with different types of cancer and their potential as therapeutic targets. Here, we highlight the mechanisms of action of these genes and their clinical applications in cancer treatment. Understanding the molecular mechanisms underlying cancer development and identifying specific therapeutic targets are essential steps towards the development of effective cancer treatments.
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Affiliation(s)
- Xuejiao Leng
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mengyuan Zhang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yujing Xu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jingjing Wang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ning Ding
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yancheng Yu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Shanliang Sun
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Weichen Dai
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xin Xue
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Nianguang Li
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ye Yang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhihao Shi
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, Nanjing, 211198, China
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21
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Lv X, Zhang R, Li S, Jin X. tRNA Modifications and Dysregulation: Implications for Brain Diseases. Brain Sci 2024; 14:633. [PMID: 39061374 PMCID: PMC11274612 DOI: 10.3390/brainsci14070633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/05/2024] [Accepted: 06/12/2024] [Indexed: 07/28/2024] Open
Abstract
Transfer RNAs (tRNAs) are well-known for their essential function in protein synthesis. Recent research has revealed a diverse range of chemical modifications that tRNAs undergo, which are crucial for various cellular processes. These modifications are necessary for the precise and efficient translation of proteins and also play important roles in gene expression regulation and cellular stress response. This review examines the role of tRNA modifications and dysregulation in the pathophysiology of various brain diseases, including epilepsy, stroke, neurodevelopmental disorders, brain tumors, Alzheimer's disease, and Parkinson's disease. Through a comprehensive analysis of existing research, our study aims to elucidate the intricate relationship between tRNA dysregulation and brain diseases. This underscores the critical need for ongoing exploration in this field and provides valuable insights that could facilitate the development of innovative diagnostic tools and therapeutic approaches, ultimately improving outcomes for individuals grappling with complex neurological conditions.
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Affiliation(s)
- Xinxin Lv
- School of Medicine, Nankai University, Tianjin 300071, China; (X.L.); (S.L.)
| | - Ruorui Zhang
- Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, CA 90089, USA;
| | - Shanshan Li
- School of Medicine, Nankai University, Tianjin 300071, China; (X.L.); (S.L.)
| | - Xin Jin
- School of Medicine, Nankai University, Tianjin 300071, China; (X.L.); (S.L.)
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22
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Jacovetti C, Donnelly C, Menoud V, Suleiman M, Cosentino C, Sobel J, Wu K, Bouzakri K, Marchetti P, Guay C, Kayser B, Regazzi R. The mitochondrial tRNA-derived fragment, mt-tRF-Leu TAA, couples mitochondrial metabolism to insulin secretion. Mol Metab 2024; 84:101955. [PMID: 38704026 PMCID: PMC11112368 DOI: 10.1016/j.molmet.2024.101955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/29/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024] Open
Abstract
OBJECTIVE The contribution of the mitochondrial electron transfer system to insulin secretion involves more than just energy provision. We identified a small RNA fragment (mt-tRF-LeuTAA) derived from the cleavage of a mitochondrially-encoded tRNA that is conserved between mice and humans. The role of mitochondrially-encoded tRNA-derived fragments remains unknown. This study aimed to characterize the impact of mt-tRF-LeuTAA, on mitochondrial metabolism and pancreatic islet functions. METHODS We used antisense oligonucleotides to reduce mt-tRF-LeuTAA levels in primary rat and human islet cells, as well as in insulin-secreting cell lines. We performed a joint transcriptome and proteome analysis upon mt-tRF-LeuTAA inhibition. Additionally, we employed pull-down assays followed by mass spectrometry to identify direct interactors of the fragment. Finally, we characterized the impact of mt-tRF-LeuTAA silencing on the coupling between mitochondrial metabolism and insulin secretion using high-resolution respirometry and insulin secretion assays. RESULTS Our study unveils a modulation of mt-tRF-LeuTAA levels in pancreatic islets in different Type 2 diabetes models and in response to changes in nutritional status. The level of the fragment is finely tuned by the mechanistic target of rapamycin complex 1. Located within mitochondria, mt-tRF-LeuTAA interacts with core subunits and assembly factors of respiratory complexes of the electron transfer system. Silencing of mt-tRF-LeuTAA in islet cells limits the inner mitochondrial membrane potential and impairs mitochondrial oxidative phosphorylation, predominantly by affecting the Succinate (via Complex II)-linked electron transfer pathway. Lowering mt-tRF-LeuTAA impairs insulin secretion of rat and human pancreatic β-cells. CONCLUSIONS Our findings indicate that mt-tRF-LeuTAA interacts with electron transfer system complexes and is a pivotal regulator of mitochondrial oxidative phosphorylation and its coupling to insulin secretion.
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Affiliation(s)
- Cecile Jacovetti
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland.
| | - Chris Donnelly
- Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland
| | - Véronique Menoud
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland
| | - Mara Suleiman
- Department of Clinical and Experimental Medicine, Diabetes Unit, University of Pisa, Pisa, Italy
| | - Cristina Cosentino
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland
| | - Jonathan Sobel
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland
| | - Kejing Wu
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland
| | - Karim Bouzakri
- UMR DIATHEC, EA 7294, Centre Européen d'Etude du Diabète, Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg, Strasbourg, France
| | - Piero Marchetti
- Department of Clinical and Experimental Medicine, Diabetes Unit, University of Pisa, Pisa, Italy
| | - Claudiane Guay
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland
| | - Bengt Kayser
- Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland
| | - Romano Regazzi
- Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland; Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
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23
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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: 4] [Impact Index Per Article: 4.0] [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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24
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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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25
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Čáp M, Palková Z. Non-Coding RNAs: Regulators of Stress, Ageing, and Developmental Decisions in Yeast? Cells 2024; 13:599. [PMID: 38607038 PMCID: PMC11012152 DOI: 10.3390/cells13070599] [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: 02/15/2024] [Revised: 03/19/2024] [Accepted: 03/27/2024] [Indexed: 04/13/2024] Open
Abstract
Cells must change their properties in order to adapt to a constantly changing environment. Most of the cellular sensing and regulatory mechanisms described so far are based on proteins that serve as sensors, signal transducers, and effectors of signalling pathways, resulting in altered cell physiology. In recent years, however, remarkable examples of the critical role of non-coding RNAs in some of these regulatory pathways have been described in various organisms. In this review, we focus on all classes of non-coding RNAs that play regulatory roles during stress response, starvation, and ageing in different yeast species as well as in structured yeast populations. Such regulation can occur, for example, by modulating the amount and functional state of tRNAs, rRNAs, or snRNAs that are directly involved in the processes of translation and splicing. In addition, long non-coding RNAs and microRNA-like molecules are bona fide regulators of the expression of their target genes. Non-coding RNAs thus represent an additional level of cellular regulation that is gradually being uncovered.
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Affiliation(s)
- Michal Čáp
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, 128 00 Prague, Czech Republic
| | - Zdena Palková
- Department of Genetics and Microbiology, Faculty of Science, Charles University, BIOCEV, 128 00 Prague, Czech Republic
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26
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Dunaeva M, Blom J, Thurlings R, van Weijsten M, van de Loo FAJ, Pruijn GJM. Circulating tRNA-derived fragments are decreased in patients with rheumatoid arthritis and increased in patients with psoriatic arthritis. Biomarkers 2024; 29:90-99. [PMID: 38362802 DOI: 10.1080/1354750x.2024.2319297] [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: 04/04/2023] [Accepted: 02/10/2024] [Indexed: 02/17/2024]
Abstract
INTRODUCTION tRNA-derived fragments (tRFs) play an important role in immune responses. To clarify the role of tRFs in autoimmunity we studied circulating tRF-levels in patients with rheumatoid arthritis (RA) and psoriatic arthritis (PsA), and in a murine model for arthritis. MATERIAL AND METHODS Circulating tRF-levels were quantified by miR-Q RT-qPCR. tRNA processing and modification enzyme expression was analysed by RT-qPCR and public transcriptomics data. RESULTS Significant reduction (up to 3-fold on average) of tRF-levels derived from tRNA-Gly-GCC,CCC, tRNA-Glu-CTC and tRNA-Val-CAC,AAC was observed in RA patients, whereas tRNA-Glu-CTC and tRNA-Val-CAC,AAC tRFs were found at significantly higher levels (up to 3-fold on average) in PsA patients, compared to healthy controls. Also in arthritic IL1Ra-KO mice reduced levels of tRNA-Glu-CTC fragments were seen. The expression of NSUN2, a methyltransferase catalysing tRNA methylation, was increased in RA-peripheral blood mononuclear cells (PBMCs) compared to PsA, but this is not consistently supported by public transcriptomics data. DISCUSSION The observed changes of specific tRF-levels may be involved in the immune responses in RA and PsA and may be applicable as new biomarkers. CONCLUSION Circulating tRF-levels are decreased in RA and increased in PsA and this may, at least in part, be mediated by methylation changes.
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Affiliation(s)
- Marina Dunaeva
- Department of Biomolecular Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands
| | - Jan Blom
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Rogier Thurlings
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Margot van Weijsten
- Department of Synthetic Organic Chemistry, Radboud University, Nijmegen, The Netherlands
| | - Fons A J van de Loo
- Department of Rheumatology, Experimental Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ger J M Pruijn
- Department of Biomolecular Chemistry, Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands
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27
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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: 14] [Impact Index Per Article: 14.0] [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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28
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Culurciello R, Di Nardo I, Bosso A, Tortora F, Troisi R, Sica F, Arciello A, Notomista E, Pizzo E. Tailoring the stress response of human skin cells by substantially limiting the nuclear localization of angiogenin. Heliyon 2024; 10:e24556. [PMID: 38317956 PMCID: PMC10839879 DOI: 10.1016/j.heliyon.2024.e24556] [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: 10/21/2023] [Revised: 12/14/2023] [Accepted: 01/10/2024] [Indexed: 02/07/2024] Open
Abstract
Human angiogenin (hANG) is the most studied stress-induced ribonuclease (RNase). In physiological conditions it performs its main functions in nucleoli, promoting cell proliferation by rDNA transcription, whereas it is strongly limited by its inhibitor (RNH1) throughout the rest of the cell. In stressed cells hANG dissociates from RNH1 and thickens in the cytoplasm where it manages the translational arrest and the recruitment of stress granules, thanks to its propensity to cleave tRNAs and to induce the release of active halves. Since it exists a clear connection between hANG roles and its intracellular routing, starting from our recent findings on heterologous ANG (ANG) properties in human keratinocytes (HaCaT cells), here we designed a variant unable to translocate into the nucleus with the aim of thoroughly verifying its potentialities under stress. This variant, widely characterized for its structural features and biological attitudes, shows more pronounced aid properties than unmodified protein. The collected evidence thus fully prove that ANG stress-induced skills in assisting cellular homeostasis are strictly due to its cytosolic localization. This study opens an interesting scenario for future studies regarding both the strengthening of skin defences and in understanding the mechanism of action of these special enzymes potentially suitable for any cell type.
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Affiliation(s)
- Rosanna Culurciello
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Ilaria Di Nardo
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Andrea Bosso
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Francesca Tortora
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Romualdo Troisi
- Department of Chemical Sciences, University of Naples Federico II, 80126, Naples, Italy
- Institute of Biostructures and Bioimaging, CNR, 80131, Naples, Italy
| | - Filomena Sica
- Department of Chemical Sciences, University of Naples Federico II, 80126, Naples, Italy
| | - Angela Arciello
- Department of Chemical Sciences, University of Naples Federico II, 80126, Naples, Italy
| | - Eugenio Notomista
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Elio Pizzo
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
- Centro Servizi Metrologici e Tecnologici Avanzati (CeSMA), University of Naples Federico II, 80126, Naples, Italy
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29
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Driedonks TA, Nyberg LH, Conte A, Ma Z, Pekosz A, Duban E, Tonevitsky A, Sültmann H, Turchinovich A, Witwer KW. Viral and host small RNA transcriptome analysis of SARS-CoV-1 and SARS-CoV-2-infected human cells reveals novel viral short RNAs. Heliyon 2024; 10:e24570. [PMID: 38314306 PMCID: PMC10837498 DOI: 10.1016/j.heliyon.2024.e24570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 12/18/2023] [Accepted: 01/10/2024] [Indexed: 02/06/2024] Open
Abstract
RNA viruses have been shown to express various short RNAs, some of which have regulatory roles during replication, transcription, and translation of viral genomes. However, short viral RNAs generated from SARS-CoV-1 and SARS-CoV-2 genomic RNAs remained largely unexplored, possibly due limitations of the widely used library preparation methods for small RNA deep sequencing and corresponding data processing. By analyzing publicly available small RNA sequencing datasets, we observed that human Calu-3 cells infected by SARS-CoV-1 or SARS-CoV-2 accumulate multiple previously unreported short viral RNAs. In addition, we verified the presence of the five most abundant SARS-CoV-2 short viral RNAs in SARS-CoV-2-infected human lung adenocarcinoma cells by quantitative PCR. Interestingly, the copy number of the observed SARS-CoV-2 short viral RNAs dramatically exceeded the expression of previously reported viral microRNAs in the same cells. We hypothesize that the reported SARS-CoV-2 short viral RNAs could serve as biomarkers for early infection stages due to their high abundance. Furthermore, unlike SARS-CoV-1, the SARS-CoV-2 infection induced significant (Benjamini-Hochberg-corrected p-value <0.05) deregulation of Y-RNA, transfer RNA, vault RNA, as well as more than 300 endogenous short RNAs that aligned predominantly to human protein-coding and long noncoding RNA transcripts. In particular, more than 20-fold upregulation of reads derived from Y-RNA (and several transfer RNAs) have been documented in RNA-seq datasets from SARS-CoV-2 infected cells. Finally, a significant proportion of short RNAs derived from full-length viral genomes also aligned to various human genome (hg38) sequences, suggesting opportunities to investigate regulatory roles of short viral RNAs during infection. Further characterization of the small RNA landscape of both viral and host genomes is clearly warranted to improve our understanding of molecular events related to infection and to design more efficient strategies for therapeutic interventions as well as early diagnosis.
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Affiliation(s)
- Tom A.P. Driedonks
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lyle H. Nyberg
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Abigail Conte
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Zexu Ma
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Andrew Pekosz
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | | | | | - Holger Sültmann
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Andrey Turchinovich
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Heidelberg, Germany
- Heidelberg Biolabs GmbH, Heidelberg, Germany
- Department of Cardiovascular Research, European Center for Angioscience (ECAS), Heidelberg University, Heidelberg/Mannheim, Germany
| | - Kenneth W. Witwer
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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30
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Delaunay S, Helm M, Frye M. RNA modifications in physiology and disease: towards clinical applications. Nat Rev Genet 2024; 25:104-122. [PMID: 37714958 DOI: 10.1038/s41576-023-00645-2] [Citation(s) in RCA: 109] [Impact Index Per Article: 109.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2023] [Indexed: 09/17/2023]
Abstract
The ability of chemical modifications of single nucleotides to alter the electrostatic charge, hydrophobic surface and base pairing of RNA molecules is exploited for the clinical use of stable artificial RNAs such as mRNA vaccines and synthetic small RNA molecules - to increase or decrease the expression of therapeutic proteins. Furthermore, naturally occurring biochemical modifications of nucleotides regulate RNA metabolism and function to modulate crucial cellular processes. Studies showing the mechanisms by which RNA modifications regulate basic cell functions in higher organisms have led to greater understanding of how aberrant RNA modification profiles can cause disease in humans. Together, these basic science discoveries have unravelled the molecular and cellular functions of RNA modifications, have provided new prospects for therapeutic manipulation and have led to a range of innovative clinical approaches.
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Affiliation(s)
- Sylvain Delaunay
- Deutsches Krebsforschungszentrum (DKFZ), Division of Mechanisms Regulating Gene Expression, Heidelberg, Germany
| | - Mark Helm
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Michaela Frye
- Deutsches Krebsforschungszentrum (DKFZ), Division of Mechanisms Regulating Gene Expression, Heidelberg, Germany.
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31
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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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32
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Panstruga R, Spanu P. Transfer RNA and ribosomal RNA fragments - emerging players in plant-microbe interactions. THE NEW PHYTOLOGIST 2024; 241:567-577. [PMID: 37985402 DOI: 10.1111/nph.19409] [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: 09/20/2023] [Accepted: 11/03/2023] [Indexed: 11/22/2023]
Abstract
According to current textbooks, the principal task of transfer and ribosomal RNAs (tRNAs and rRNAs, respectively) is synthesizing proteins. During the last decade, additional cellular roles for precisely processed tRNA and rRNAs fragments have become evident in all kingdoms of life. These RNA fragments were originally overlooked in transcriptome datasets or regarded as unspecific degradation products. Upon closer inspection, they were found to engage in a variety of cellular processes, in particular the modulation of translation and the regulation of gene expression by sequence complementarity- and Argonaute protein-dependent gene silencing. More recently, the presence of tRNA and rRNA fragments has also been recognized in the context of plant-microbe interactions, both on the plant and the microbial side. While most of these fragments are likely to affect endogenous processes, there is increasing evidence for their transfer across kingdoms in the course of such interactions; these processes may involve mutual exchange in association with extracellular vesicles. Here, we summarize the state-of-the-art understanding of tRNA and rRNA fragment's roles in the context of plant-microbe interactions, their potential biogenesis, presumed delivery routes, and presumptive modes of action.
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Affiliation(s)
- Ralph Panstruga
- RWTH Aachen University, Worringerweg 1, Aachen, 52056, Germany
| | - Pietro Spanu
- Department of Life Sciences, Imperial College London, Imperial College Road, London, SW7 2AZ, UK
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33
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Wadhwa N, Kapoor S, Kapoor M. Arabidopsis T-DNA mutants affected in TRDMT1/DNMT2 show differential protein synthesis and compromised stress tolerance. FEBS J 2024; 291:92-113. [PMID: 37584564 DOI: 10.1111/febs.16935] [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: 01/21/2023] [Revised: 07/18/2023] [Accepted: 08/14/2023] [Indexed: 08/17/2023]
Abstract
TRDMT1/DNMT2 belongs to the conserved family of nucleic acid methyltransferases. Unlike the animal systems, studies on TRDMT1/DNMT2 in land plants have been limited. We show that TRDMT1/DNMT2 is strongly conserved in the green lineage. Studies in mosses have previously shown that TRDMT1/DNMT2 plays a crucial role in modulating molecular networks involved in stress perception and signalling and in transcription/stability of specific tRNAs under stress. To gain deeper insight into its biological roles in a flowering plant, we examined more closely the previously reported Arabidopsis SALK_136635C line deficient in TRDMT1/DNMT2 function [Goll MG et al. (2006) Science 311, 395-398]. RNAs derived from Arabidopsis Dnmt2-deficient plants lacked m5 C38 in tRNAAsp . In this study, by transient expression assays we show that Arabidopsis TRDMT1/DNMT2 is distributed in the nucleus, cytoplasm and RNA-processing bodies, suggesting a role for TRDMT1/DNMT2 in RNA metabolic processes possibly by shuttling between cellular compartments. Bright-field and high-resolution SEM and qPCR analysis reveal roles of TRDMT1/DNMT2 in proper growth and developmental progression. Quantitative proteome analysis by LC-MS/MS coupled with qPCR shows AtTRDMT1/AtDNMT2 function to be crucial for protein synthesis and cellular homeostasis via housekeeping roles and proteins with poly-Asp stretches and RNA pol II activity on selected genes are affected in attrdmt1/atdnmt2. This shift in metabolic pathways primes the mutant plants to become increasingly sensitive to oxidative and osmotic stress. Taken together, our study sheds light on the mechanistic role of TRDMT1/DNMT2 in a flowering plant.
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Affiliation(s)
- Nikita Wadhwa
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| | - Sanjay Kapoor
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
- Interdisciplinary Centre for Plant Genomics and Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, India
| | - Meenu Kapoor
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
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Meydan S, Barros GC, Simões V, Harley L, Cizubu BK, Guydosh NR, Silva GM. The ubiquitin conjugase Rad6 mediates ribosome pausing during oxidative stress. Cell Rep 2023; 42:113359. [PMID: 37917585 PMCID: PMC10755677 DOI: 10.1016/j.celrep.2023.113359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/26/2023] [Accepted: 10/13/2023] [Indexed: 11/04/2023] Open
Abstract
Oxidative stress causes K63-linked ubiquitination of ribosomes by the E2 ubiquitin conjugase Rad6. How Rad6-mediated ubiquitination of ribosomes affects translation, however, is unclear. We therefore perform Ribo-seq and Disome-seq in Saccharomyces cerevisiae and show that oxidative stress causes ribosome pausing at specific amino acid motifs, which also leads to ribosome collisions. However, these redox-pausing signatures are lost in the absence of Rad6 and do not depend on the ribosome-associated quality control (RQC) pathway. We also show that Rad6 is needed to inhibit overall translation in response to oxidative stress and that its deletion leads to increased expression of antioxidant genes. Finally, we observe that the lack of Rad6 leads to changes during translation that affect activation of the integrated stress response (ISR) pathway. Our results provide a high-resolution picture of the gene expression changes during oxidative stress and unravel an additional stress response pathway affecting translation elongation.
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Affiliation(s)
- Sezen Meydan
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA; Postdoctoral Research Associate Training Fellowship, National Institute of General Medical Sciences, National Institutes of Health, Bethesda, MD 20982, USA
| | | | - Vanessa Simões
- Department of Biology, Duke University, Durham, NC 27708, USA
| | - Lana Harley
- Department of Biology, Duke University, Durham, NC 27708, USA
| | | | - Nicholas R Guydosh
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Gustavo M Silva
- Department of Biology, Duke University, Durham, NC 27708, USA.
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35
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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: 41] [Impact Index Per Article: 20.5] [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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36
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Akins RB, Ostberg K, Cherlin T, Tsiouplis NJ, Loher P, Rigoutsos I. The Typical tRNA Co-Expresses Multiple 5' tRNA Halves Whose Sequences and Abundances Depend on Isodecoder and Isoacceptor and Change with Tissue Type, Cell Type, and Disease. Noncoding RNA 2023; 9:69. [PMID: 37987365 PMCID: PMC10660753 DOI: 10.3390/ncrna9060069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/02/2023] [Accepted: 10/12/2023] [Indexed: 11/22/2023] Open
Abstract
Transfer RNA-derived fragments (tRFs) are noncoding RNAs that arise from either mature transfer RNAs (tRNAs) or their precursors. One important category of tRFs comprises the tRNA halves, which are generated through cleavage at the anticodon. A given tRNA typically gives rise to several co-expressed 5'-tRNA halves (5'-tRHs) that differ in the location of their 3' ends. These 5'-tRHs, even though distinct, have traditionally been treated as indistinguishable from one another due to their near-identical sequences and lengths. We focused on co-expressed 5'-tRHs that arise from the same tRNA and systematically examined their exact sequences and abundances across 10 different human tissues. To this end, we manually curated and analyzed several hundred human RNA-seq datasets from NCBI's Sequence Run Archive (SRA). We grouped datasets from the same tissue into their own collection and examined each group separately. We found that a given tRNA produces different groups of co-expressed 5'-tRHs in different tissues, different cell lines, and different diseases. Importantly, the co-expressed 5'-tRHs differ in their sequences, absolute abundances, and relative abundances, even among tRNAs with near-identical sequences from the same isodecoder or isoacceptor group. The findings suggest that co-expressed 5'-tRHs that are produced from the same tRNA or closely related tRNAs have distinct, context-dependent roles. Moreover, our analyses show that cell lines modeling the same tissue type and disease may not be interchangeable when it comes to experimenting with tRFs.
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Affiliation(s)
| | | | | | | | | | - Isidore Rigoutsos
- Computational Medical Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
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37
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Pinzaru AM, Tavazoie SF. Transfer RNAs as dynamic and critical regulators of cancer progression. Nat Rev Cancer 2023; 23:746-761. [PMID: 37814109 DOI: 10.1038/s41568-023-00611-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/28/2023] [Indexed: 10/11/2023]
Abstract
Transfer RNAs (tRNAs) have been historically viewed as non-dynamic adaptors that decode the genetic code into proteins. Recent work has uncovered dynamic regulatory roles for these fascinating molecules. Advances in tRNA detection methods have revealed that specific tRNAs can become modulated upon DNA copy number and chromatin alterations and can also be perturbed by oncogenic signalling and transcriptional regulators in cancer cells or the tumour microenvironment. Such alterations in the levels of specific tRNAs have been shown to causally impact cancer progression, including metastasis. Moreover, sequencing methods have identified tRNA-derived small RNAs that influence various aspects of cancer progression, such as cell proliferation and invasion, and could serve as diagnostic and prognostic biomarkers or putative therapeutic targets in various cancers. Finally, there is accumulating evidence, including from genetic models, that specific tRNA synthetases - the enzymes responsible for charging tRNAs with amino acids - can either promote or suppress tumour formation. In this Review, we provide an overview of how deregulation of tRNAs influences cancer formation and progression.
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Affiliation(s)
- Alexandra M Pinzaru
- Laboratory of Systems Cancer Biology, The Rockefeller University, New York, NY, USA.
| | - Sohail F Tavazoie
- Laboratory of Systems Cancer Biology, The Rockefeller University, New York, NY, USA.
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38
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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: 11] [Impact Index Per Article: 5.5] [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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39
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Chen Q, Zhou T. Emerging functional principles of tRNA-derived small RNAs and other regulatory small RNAs. J Biol Chem 2023; 299:105225. [PMID: 37673341 PMCID: PMC10562873 DOI: 10.1016/j.jbc.2023.105225] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 08/22/2023] [Accepted: 08/28/2023] [Indexed: 09/08/2023] Open
Abstract
Recent advancements in small RNA sequencing have unveiled a previously hidden world of regulatory small noncoding RNAs (sncRNAs) that extend beyond the well-studied small interfering RNAs, microRNAs, and piwi-interacting RNAs. This exploration, starting with tRNA-derived small RNAs, has led to the discovery of a diverse universe of sncRNAs derived from various longer structured RNAs such as rRNAs, small nucleolar RNAs, small nuclear RNAs, Y RNAs, and vault RNAs, with exciting uncharted functional possibilities. In this perspective, we discuss the emerging functional principles of sncRNAs beyond the well-known RNAi-like mechanisms, focusing on those that operate independent of linear sequence complementarity but rather function in an aptamer-like fashion. Aptamers use 3D structure for specific interactions with ligands and are modulated by RNA modifications and subcellular environments. Given that aptamer-like sncRNA functions are widespread and present in species lacking RNAi, they may represent an ancient functional principle that predates RNAi. We propose a rethinking of the origin of RNAi and its relationship with these aptamer-like functions in sncRNAs and how these complementary mechanisms shape biological processes. Lastly, the aptamer-like function of sncRNAs highlights the need for caution in using small RNA mimics in research and therapeutics, as their specificity is not restricted solely to linear sequence.
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Affiliation(s)
- Qi Chen
- Molecular Medicine Program, University of Utah School of Medicine, Salt Lake City, Utah, USA; Division of Urology, Department of Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA; Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, Utah, USA.
| | - Tong Zhou
- Department of Physiology and Cell Biology, University of Nevada, Reno School of Medicine, Reno, Nevada, USA.
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40
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Gou LT, Zhu Q, Liu MF. Small RNAs: An expanding world with therapeutic promises. FUNDAMENTAL RESEARCH 2023; 3:676-682. [PMID: 38933305 PMCID: PMC11197668 DOI: 10.1016/j.fmre.2023.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/12/2023] [Accepted: 03/17/2023] [Indexed: 04/09/2023] Open
Abstract
Small non-coding RNAs (sncRNAs), such as microRNAs (miRNAs), small interfering RNAs (siRNAs), PIWI-interacting RNAs (piRNAs), and transfer RNA (tRNA)-derived small RNAs (tsRNAs), play essential roles in regulating various cellular and developmental processes. Over the past three decades, researchers have identified novel sncRNA species from various organisms. These molecules demonstrate dynamic expression and diverse functions, and they are subject to intricate regulation through RNA modifications in both healthy and diseased states. Notably, certain sncRNAs in gametes, particularly sperm, respond to environmental stimuli and facilitate epigenetic inheritance. Collectively, the in-depth understanding of sncRNA functions and mechanisms has accelerated the development of small RNA-based therapeutics. In this review, we present the recent advances in the field, including new sncRNA species and the regulatory influences of RNA modifications. We also discuss the current limitations and challenges associated with using small RNAs as either biomarkers or therapeutic drugs.
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Affiliation(s)
- Lan-Tao Gou
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qifan Zhu
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
| | - Mo-Fang Liu
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China
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41
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Tyczewska A, Grzywacz K. tRNA-derived fragments as new players in regulatory processes in yeast. Yeast 2023; 40:283-289. [PMID: 36385711 DOI: 10.1002/yea.3829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/04/2022] [Accepted: 11/16/2022] [Indexed: 08/08/2023] Open
Abstract
For a very long time, RNA molecules were treated as transistory molecules, by which the genetic information flows from DNA to proteins; the model proposed in the 1960s accepted that proteins are both the products and the regulators of gene expression. Since then, thousands of reports proved that RNAs should be thought about as the factors that do control gene expression. The pervasive transcription has been reported in many eukaryotic organisms, illustrating a highly interwoven transcriptome organization that includes hundreds of previously unknown noncoding RNAs. The key roles of noncoding RNAs (microRNAs and small interfering RNAs) in gene expression regulation are no longer surprising, as are new classes of noncoding RNAs constantly being discovered. Transfer RNAs (tRNAs) are the second most abundant type of RNAs in the cell. Advances in high-throughput sequencing technologies exposed the existence of functional, regulatory tRNA-derived RNA fragments (tRFs), generated from precursor and mature tRNAs. These tRF molecules have been found to play central roles during stress and different pathological conditions. Herein, we present the critical assessment of the discoveries made in the field of tRNA-derived fragments in the past 15 years in various pathogenic and nonpathogenic yeast species.
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Affiliation(s)
- Agata Tyczewska
- Institute of Bioorganic Chemistry Polish Academy of Sciences, Poznań, Poland
| | - Kamilla Grzywacz
- Institute of Bioorganic Chemistry Polish Academy of Sciences, Poznań, Poland
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42
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Payea MJ, Dar SA, Malla S, Maragkakis M. Ribonucleic Acid-Mediated Control of Protein Translation Under Stress. Antioxid Redox Signal 2023; 39:374-389. [PMID: 37470212 PMCID: PMC10443204 DOI: 10.1089/ars.2023.0233] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 05/30/2023] [Indexed: 07/21/2023]
Abstract
Significance: The need of cells to constantly respond to endogenous and exogenous stress has necessitated the evolution of pathways to counter the deleterious effects of stress and to restore cellular homeostasis. The inability to activate a timely and adequate response can lead to disease and is a hallmark of aging. Besides protein-coding genes, cells contain a plethora of noncoding regulatory elements that allow cells to respond rapidly and efficiently to external stimuli by activating highly specific and tightly controlled mechanisms. Many of these programs converge on the regulation of translation, one of the most energy-consuming processes in cells. Recent Advances: The noncoding dimension of translational regulation includes short and long noncoding ribonucleic acids (ncRNAs), as well as messenger RNA features, such as the sequence and modification status of the 5' and 3' untranslated regions (UTRs), that do not change the amino acid sequence of the produced protein. Critical Issues: In this review, we discuss the regulatory role of the nonprotein-coding components of translation under stress, particularly oxidative stress. We conclude that the regulation of translation through ncRNAs, UTRs, and nucleotide modifications is emerging as a critical component of the stress response. Future Directions: Further areas of study using long-read sequencing technologies will be discussed. Antioxid. Redox Signal. 39, 374-389.
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Affiliation(s)
- Matthew J. Payea
- Laboratory of Genetics and Genomics, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, Maryland, USA
| | - Showkat A. Dar
- Laboratory of Genetics and Genomics, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, Maryland, USA
| | - Sulochan Malla
- Laboratory of Genetics and Genomics, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, Maryland, USA
| | - Manolis Maragkakis
- Laboratory of Genetics and Genomics, National Institute on Aging, Intramural Research Program, National Institutes of Health, Baltimore, Maryland, USA
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43
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Cao J, Wang X, Advani V, Lu YW, Malizia AP, Singh GB, Huang Z, Liu J, Wang C, Oliveira EM, Mably JD, Chen K, Wang D. mt-Ty 5'tiRNA regulates skeletal muscle cell proliferation and differentiation. Cell Prolif 2023; 56:e13416. [PMID: 36756712 PMCID: PMC10392060 DOI: 10.1111/cpr.13416] [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: 09/14/2022] [Revised: 12/29/2022] [Accepted: 01/24/2023] [Indexed: 02/10/2023] Open
Abstract
In this study, we sought to determine the role of tRNA-derived fragments in the regulation of gene expression during skeletal muscle cell proliferation and differentiation. We employed cell culture to examine the function of mt-Ty 5' tiRNAs. Northern blotting, RT-PCR as well as RNA-Seq, were performed to determine the effects of mt-Ty 5' tiRNA loss and gain on gene expression. Standard and transmission electron microscopy (TEM) were used to characterize cell and sub-cellular structures. mt-Ty 5'tiRNAs were found to be enriched in mouse skeletal muscle, showing increased levels in later developmental stages. Gapmer-mediated inhibition of tiRNAs in skeletal muscle C2C12 myoblasts resulted in decreased cell proliferation and myogenic differentiation; consistent with this observation, RNA-Seq, transcriptome analyses, and RT-PCR revealed that skeletal muscle cell differentiation and cell proliferation pathways were also downregulated. Conversely, overexpression of mt-Ty 5'tiRNAs in C2C12 cells led to a reversal of these transcriptional trends. These data reveal that mt-Ty 5'tiRNAs are enriched in skeletal muscle and play an important role in myoblast proliferation and differentiation. Our study also highlights the potential for the development of tiRNAs as novel therapeutic targets for muscle-related diseases.
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Affiliation(s)
- Jun Cao
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Faculty of Environment and LifeBeijing University of TechnologyBeijingP. R. China
| | - Xin Wang
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Vivek Advani
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Departments of Internal Medicine, Molecular Pharmacology & Physiology, Center for Regenerative Medicine, USF Health Heart Institute, Morsani College of MedicineUniversity of South FloridaTampaFloridaUSA
| | - Yao Wei Lu
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Vascular Biology Program, Department of Surgery, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Andrea P. Malizia
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Gurinder Bir Singh
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Departments of Internal Medicine, Molecular Pharmacology & Physiology, Center for Regenerative Medicine, USF Health Heart Institute, Morsani College of MedicineUniversity of South FloridaTampaFloridaUSA
| | - Zhan‐Peng Huang
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Jianming Liu
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Present address:
Vertex pharmaceuticalsBostonMassachusettsUSA
| | - Chunbo Wang
- UNC McAllister Heart InstituteUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Edilamar M. Oliveira
- Departments of Internal Medicine, Molecular Pharmacology & Physiology, Center for Regenerative Medicine, USF Health Heart Institute, Morsani College of MedicineUniversity of South FloridaTampaFloridaUSA
- School of Physical Education and SportUniversity of Sao PauloSao PauloBrazil
| | - John D. Mably
- Departments of Internal Medicine, Molecular Pharmacology & Physiology, Center for Regenerative Medicine, USF Health Heart Institute, Morsani College of MedicineUniversity of South FloridaTampaFloridaUSA
| | - Kaifu Chen
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
| | - Da‐Zhi Wang
- Department of Cardiology, Boston Children's HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Departments of Internal Medicine, Molecular Pharmacology & Physiology, Center for Regenerative Medicine, USF Health Heart Institute, Morsani College of MedicineUniversity of South FloridaTampaFloridaUSA
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Zhang HX, Yu D, Sun JF, Zeng L, Wang CY, Bai LP, Zhu GY, Jiang ZH, Zhang W. An integrated approach to evaluate acetamiprid-induced oxidative damage to tRNA in human cells based on oxidized nucleotide and tRNA profiling. ENVIRONMENT INTERNATIONAL 2023; 178:108038. [PMID: 37343327 DOI: 10.1016/j.envint.2023.108038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 06/03/2023] [Accepted: 06/12/2023] [Indexed: 06/23/2023]
Abstract
Acetamiprid is poisonous to mammals due to severe acetamiprid-induced oxidative stress that could cause mitochondrial dysfunctions, lipid and protein oxidation, inflammation, apoptosis, and DNA damage. Evidence has accumulated for the role of oxidative stress in changing structures and functions of transfer RNAs (tRNAs) by inducing tRNA cleavage, reprogramming tRNA modifications and impairing aminoacyl-tRNA synthetase editing sites. However, the impact of acetamiprid-induced oxidative stress on tRNA is still unknown. Here, we investigated the effects of acetamiprid on cell viability, reactive oxygen species (ROS) levels, DNA damage, cellular oxidized nucleotide concentrations, and oxidative damage to tRNA in HepG2 cells and LO2 cells. Acetamiprid can cause the significant increment of ROS and DNA oxidative damage. In this study, an integrated approach was established to simultaneously study the network of oxidized nucleotides and explore the tRNA oxidative damage after acetamiprid exposure. A simple and high-throughput liquid chromatography with tandem mass spectrometry (LC-MS/MS) method coupled with (trimethylsilyl)diazomethane (TMSD) derivatization was successfully developed to quantify 12 cellular oxidized nucleotides that cannot be detected using traditional detection methods because of the huge interferences from naturally abundant nucleotides. Meanwhile, the accumulation rate and the locating sites of 8-oxo-2, 7-dihydro-guanine (8-oxo-G) in tRNA were inspected using the established N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide (MTBSTFA) labeling-based tRNA profiling method. After acetamiprid treatment, the increment of oxidized nucleoside triphosphates is smaller than that of their corresponding mono- and diphosphates, as well as the dephosphorylated nucleosides, on account of the existence of sanitization enzymes. Several tRNA fragments, CUC[m1A]Gp, CACGp, [Cm]C[m2G]p, and DDGp, are significantly downregulated in acetamiprid-treated HepG2 cells, while only [Cm]C[m2G]p in acetamiprid-treated LO2 cells. According to the profiling results, the significantly changed fragment CUC[m1A]Gp might be caused by the oxidation of guanine (G) to form 8-oxo-G at position 15 in human tRNAphe([Gm]AA), providing more information about the effect of oxidized nucleobases on tRNA's functions.
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Affiliation(s)
- Hui-Xia Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Dian Yu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Jian-Feng Sun
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Ling Zeng
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Cai-Yun Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Li-Ping Bai
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Guo-Yuan Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China
| | - Zhi-Hong Jiang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China.
| | - Wei Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Guangdong-Hong Kong-Macao Joint Laboratory of Respiratory Infectious Disease, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau 999078, People's Republic of China.
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García-Vílchez R, Añazco-Guenkova AM, Dietmann S, López J, Morón-Calvente V, D'Ambrosi S, Nombela P, Zamacola K, Mendizabal I, García-Longarte S, Zabala-Letona A, Astobiza I, Fernández S, Paniagua A, Miguel-López B, Marchand V, Alonso-López D, Merkel A, García-Tuñón I, Ugalde-Olano A, Loizaga-Iriarte A, Lacasa-Viscasillas I, Unda M, Azkargorta M, Elortza F, Bárcena L, Gonzalez-Lopez M, Aransay AM, Di Domenico T, Sánchez-Martín MA, De Las Rivas J, Guil S, Motorin Y, Helm M, Pandolfi PP, Carracedo A, Blanco S. METTL1 promotes tumorigenesis through tRNA-derived fragment biogenesis in prostate cancer. Mol Cancer 2023; 22:119. [PMID: 37516825 PMCID: PMC10386714 DOI: 10.1186/s12943-023-01809-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 06/17/2023] [Indexed: 07/31/2023] Open
Abstract
Newly growing evidence highlights the essential role that epitranscriptomic marks play in the development of many cancers; however, little is known about the role and implications of altered epitranscriptome deposition in prostate cancer. Here, we show that the transfer RNA N7-methylguanosine (m7G) transferase METTL1 is highly expressed in primary and advanced prostate tumours. Mechanistically, we find that METTL1 depletion causes the loss of m7G tRNA methylation and promotes the biogenesis of a novel class of small non-coding RNAs derived from 5'tRNA fragments. 5'tRNA-derived small RNAs steer translation control to favour the synthesis of key regulators of tumour growth suppression, interferon pathway, and immune effectors. Knockdown of Mettl1 in prostate cancer preclinical models increases intratumoural infiltration of pro-inflammatory immune cells and enhances responses to immunotherapy. Collectively, our findings reveal a therapeutically actionable role of METTL1-directed m7G tRNA methylation in cancer cell translation control and tumour biology.
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Affiliation(s)
- Raquel García-Vílchez
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Ana M Añazco-Guenkova
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Sabine Dietmann
- Washington University School of Medicine in St. Louis, 660S. Euclid Ave, St. Louis, MO, 63110, USA
| | - Judith López
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Virginia Morón-Calvente
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Silvia D'Ambrosi
- Present Address: Department of Neurosurgery, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV, Amsterdam, The Netherlands
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
| | - Paz Nombela
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Kepa Zamacola
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
| | - Isabel Mendizabal
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Ikerbasque, Basque Foundation for Science, 48011, Bilbao, Spain
| | - Saioa García-Longarte
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
| | - Amaia Zabala-Letona
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Ianire Astobiza
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Sonia Fernández
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Alejandro Paniagua
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
| | - Borja Miguel-López
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
| | - Virginie Marchand
- Université de Lorraine, UAR2008 IBSLor CNRS-UL-INSERM, Biopôle UL, 9, Avenue de La Forêt de Haye, 54505, Vandoeuvre-Les-Nancy, France
| | - Diego Alonso-López
- Bioinformatics Unit, Cancer Research Center (CIC-IBMCC, CSIC/USAL), Consejo Superior de Investigaciones Científicas (CSIC) and University of Salamanca (USAL), 37007, Salamanca, Spain
| | - Angelika Merkel
- Josep Carreras Leukaemia Research Institute (IJC), Badalona, 08916, Barcelona, Catalonia, Spain
- Germans Trias I Pujol Health Science Research Institute, Badalona, 08916, Barcelona, Catalonia, Spain
| | - Ignacio García-Tuñón
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
| | | | - Ana Loizaga-Iriarte
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Department of Urology, Basurto University Hospital, 48013, Bilbao, Spain
- Traslational Prostate Cancer Research Lab, CIC bioGUNE-Basurto, Biocruces Bizkaia Health Research Institute, Avenida Montevideo 18, 48013, Bilbao, Spain
| | | | - Miguel Unda
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Department of Urology, Basurto University Hospital, 48013, Bilbao, Spain
- Traslational Prostate Cancer Research Lab, CIC bioGUNE-Basurto, Biocruces Bizkaia Health Research Institute, Avenida Montevideo 18, 48013, Bilbao, Spain
| | - Mikel Azkargorta
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Carlos III Networked Proteomics Platform (ProteoRed-ISCIII), Madrid, Spain
| | - Félix Elortza
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Carlos III Networked Proteomics Platform (ProteoRed-ISCIII), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Laura Bárcena
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
| | - Monika Gonzalez-Lopez
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
| | - Ana M Aransay
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Tomás Di Domenico
- Bioinformatics Unit, Spanish National Cancer Research Centre (CNIO), 28029, Madrid, Spain
| | - Manuel A Sánchez-Martín
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain
- Servicio de Transgénesis, Nucleus, Universidad de Salamanca, 37007, Salamanca, Spain
| | - Javier De Las Rivas
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain
| | - Sònia Guil
- Josep Carreras Leukaemia Research Institute (IJC), Badalona, 08916, Barcelona, Catalonia, Spain
- Germans Trias I Pujol Health Science Research Institute, Badalona, 08916, Barcelona, Catalonia, Spain
| | - Yuri Motorin
- Université de Lorraine, UAR2008 IBSLor CNRS-UL-INSERM, Biopôle UL, 9, Avenue de La Forêt de Haye, 54505, Vandoeuvre-Les-Nancy, France
- Université de Lorraine, UMR7365 IMoPA CNRS-UL, Biopôle UL, 9, Avenue de La Forêt de Haye, 54505, Vandoeuvre-Les-Nancy, France
| | - Mark Helm
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Pier Paolo Pandolfi
- Molecular Biotechnology Center (MBC), Department of Molecular Biotechnology and Health Sciences, University of Turin, 10126, Turin, TO, Italy
- William N. Pennington Cancer Center, Renown Health, Nevada System of Higher Education, Reno, NV, 89502, USA
| | - Arkaitz Carracedo
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain
- Ikerbasque, Basque Foundation for Science, 48011, Bilbao, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Department of Pathology, Basurto University Hospital, 48013, Bilbao, Spain
- Biochemistry and Molecular Biology Department, University of the Basque Country (UPV/EHU), P. O. Box 644, 48080, Bilbao, Spain
| | - Sandra Blanco
- Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007, Salamanca, Spain.
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Hospital Universitario de Salamanca, 37007, Salamanca, Spain.
- CIC bioGUNE, Basque Research and Technology Alliance (BRTA), Bizkaia Technology Park, 801 Bld, 48160, Derio, Bizkaia, Spain.
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46
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Wang YY, Tian Y, Li YZ, Liu YF, Zhao YY, Chen LH, Zhang C. The role of m5C methyltransferases in cardiovascular diseases. Front Cardiovasc Med 2023; 10:1225014. [PMID: 37476573 PMCID: PMC10354557 DOI: 10.3389/fcvm.2023.1225014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023] Open
Abstract
The global leading cause of death is cardiovascular disease (CVD). Although advances in prevention and treatment have been made, the role of RNA epigenetics in CVD is not fully understood. Studies have found that RNA modifications regulate gene expression in mammalian cells, and m5C (5-methylcytosine) is a recently discovered RNA modification that plays a role in gene regulation. As a result of these developments, there has been renewed interest in elucidating the nature and function of RNA "epitranscriptomic" modifications. Recent studies on m5C RNA methylomes, their functions, and the proteins that initiate, translate and manipulate this modification are discussed in this review. This review improves the understanding of m5C modifications and their properties, functions, and implications in cardiac pathologies, including cardiomyopathy, heart failure, and atherosclerosis.
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Affiliation(s)
- Yan-Yue Wang
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
| | - Yuan Tian
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
| | - Yong-Zhen Li
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
| | - Yi-Fan Liu
- ResearchLaboratory of Translational Medicine, Hengyang Medical School, University of South China, Hengyang, China
| | - Yu-Yan Zhao
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
| | - Lin-Hui Chen
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
| | - Chi Zhang
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, China
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47
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Chen AY, Owens MC, Liu KF. Coordination of RNA modifications in the brain and beyond. Mol Psychiatry 2023; 28:2737-2749. [PMID: 37138184 PMCID: PMC11758487 DOI: 10.1038/s41380-023-02083-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 05/05/2023]
Abstract
Gene expression regulation is a critical process throughout the body, especially in the nervous system. One mechanism by which biological systems regulate gene expression is via enzyme-mediated RNA modifications, also known as epitranscriptomic regulation. RNA modifications, which have been found on nearly all RNA species across all domains of life, are chemically diverse covalent modifications of RNA nucleotides and represent a robust and rapid mechanism for the regulation of gene expression. Although numerous studies have been conducted regarding the impact that single modifications in single RNA molecules have on gene expression, emerging evidence highlights potential crosstalk between and coordination of modifications across RNA species. These potential coordination axes of RNA modifications have emerged as a new direction in the field of epitranscriptomic research. In this review, we will highlight several examples of gene regulation via RNA modification in the nervous system, followed by a summary of the current state of the field of RNA modification coordination axes. In doing so, we aim to inspire the field to gain a deeper understanding of the roles of RNA modifications and coordination of these modifications in the nervous system.
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Affiliation(s)
- Anthony Yulin Chen
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Department of Chemistry and Biochemistry, Swarthmore College, Swarthmore, PA, 19081, USA
| | - Michael C Owens
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Graduate Group in Biochemistry and Molecular Biophysics, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kathy Fange Liu
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Graduate Group in Biochemistry and Molecular Biophysics, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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48
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Lee S, Kim J, Valdmanis PN, Kim HK. Emerging roles of tRNA-derived small RNAs in cancer biology. Exp Mol Med 2023; 55:1293-1304. [PMID: 37430089 PMCID: PMC10393972 DOI: 10.1038/s12276-023-01038-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/29/2023] [Accepted: 05/09/2023] [Indexed: 07/12/2023] Open
Abstract
Transfer RNAs (tRNAs) play an essential role in mRNA translation by delivering amino acids to growing polypeptide chains. Recent data demonstrate that tRNAs can be cleaved by ribonucleases, and the resultant cleavage products, tRNA-derived small RNAs (tsRNAs), have crucial roles in physiological and pathological conditions. They are classified into more than six types according to their size and cleavage positions. Since the initial discovery of the physiological functions of tsRNAs more than a decade ago, accumulating data have demonstrated that tsRNAs play critical roles in gene regulation and tumorigenesis. These tRNA-derived molecules have various regulatory functions at the transcriptional, post-transcriptional, and translational levels. More than a hundred types of modifications are found on tRNAs, affecting the biogenesis, stability, function, and biochemical properties of tsRNA. Both oncogenic and tumor suppressor functions have been reported for tsRNAs, which play important roles in the development and progression of various cancers. Abnormal expression patterns and modification of tsRNAs are associated with various diseases, including cancer and neurological disorders. In this review, we will describe the biogenesis, versatile gene regulation mechanisms, and modification-mediated regulation mechanisms of tsRNA as well as the expression patterns and potential therapeutic roles of tsRNAs in various cancers.
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Affiliation(s)
- Saebyeol Lee
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Jungeun Kim
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Paul N Valdmanis
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA, 98115, USA
| | - Hak Kyun Kim
- Department of Life Science, Chung-Ang University, Seoul, 06974, Republic of Korea.
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49
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Curtis BJ, Schwertfeger TJ, Burkhardt RN, Fox BW, Andrzejewski J, Wrobel CJJ, Yu J, Rodrigues PR, Tauffenberger A, Schroeder FC. Oligonucleotide Catabolism-Derived Gluconucleosides in Caenorhabditis elegans. J Am Chem Soc 2023; 145:11611-11621. [PMID: 37192367 PMCID: PMC10536790 DOI: 10.1021/jacs.3c01151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Nucleosides are essential cornerstones of life, and nucleoside derivatives and synthetic analogues have important biomedical applications. Correspondingly, production of non-canonical nucleoside derivatives in animal model systems is of particular interest. Here, we report the discovery of diverse glucose-based nucleosides in Caenorhabditis elegans and related nematodes. Using a mass spectrometric screen based on all-ion fragmentation in combination with total synthesis, we show that C. elegans selectively glucosylates a series of modified purines but not the canonical purine and pyrimidine bases. Analogous to ribonucleosides, the resulting gluconucleosides exist as phosphorylated and non-phosphorylated forms. The phosphorylated gluconucleosides can be additionally decorated with diverse acyl moieties from amino acid catabolism. Syntheses of representative variants, facilitated by a novel 2'-O- to 3'-O-dibenzyl phosphoryl transesterification reaction, demonstrated selective incorporation of different nucleobases and acyl moieties. Using stable-isotope labeling, we further show that gluconucleosides incorporate modified nucleobases derived from RNA and possibly DNA breakdown, revealing extensive recycling of oligonucleotide catabolites. Gluconucleosides are conserved in other nematodes, and biosynthesis of specific subsets is increased in germline mutants and during aging. Bioassays indicate that gluconucleosides may function in stress response pathways.
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Affiliation(s)
- Brian J Curtis
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Tyler J Schwertfeger
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Russell N Burkhardt
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Bennett W Fox
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jude Andrzejewski
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Chester J J Wrobel
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jingfang Yu
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Pedro R Rodrigues
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Arnaud Tauffenberger
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Frank C Schroeder
- Boyce Thompson Institute and Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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50
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Rawal HC, Ali S, Mondal TK. Role of non-coding RNAs against salinity stress in Oryza species: Strategies and challenges in analyzing miRNAs, tRFs and circRNAs. Int J Biol Macromol 2023; 242:125172. [PMID: 37268077 DOI: 10.1016/j.ijbiomac.2023.125172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/03/2023] [Accepted: 05/24/2023] [Indexed: 06/04/2023]
Abstract
Salinity is an imbalanced concentration of mineral salts in the soil or water that causes yield loss in salt-sensitive crops. Rice plant is vulnerable to soil salinity stress at seedling and reproductive stages. Different non-coding RNAs (ncRNAs) post-transcriptionally regulate different sets of genes during different developmental stages under varying salinity tolerance levels. While microRNAs (miRNAs) are well known small endogenous ncRNAs, tRNA-derived RNA fragments (tRFs) are an emerging class of small ncRNAs derived from tRNA genes with a demonstrated regulatory role, like miRNAs, in humans but unexplored in plants. Circular RNA (circRNA), another ncRNA produced by back-splicing events, acts as target mimics by preventing miRNAs from binding with their target mRNAs, thereby reducing the miRNA's action upon its target. Same may hold true between circRNAs and tRFs. Hence, the work done on these ncRNAs was reviewed and no reports were found for circRNAs and tRFs under salinity stress in rice, either at seedling or reproductive stages. Even the reports on miRNAs are restricted to seedling stage only, in spite of severe effects on rice crop production due to salt stress during reproductive stage. Moreover, this review sheds light on strategies to predict and analyze these ncRNAs in an effective manner.
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Affiliation(s)
- Hukam Chand Rawal
- ICAR-National Institute for Plant Biotechnology, LBS Centre, Pusa, New Delhi 110012, India; School of Interdisciplinary Sciences and Technology, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Shakir Ali
- School of Interdisciplinary Sciences and Technology, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India; Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
| | - Tapan Kumar Mondal
- ICAR-National Institute for Plant Biotechnology, LBS Centre, Pusa, New Delhi 110012, India.
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