1
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Yi G, Ye M, Carrique L, El-Sagheer A, Brown T, Norbury CJ, Zhang P, Gilbert RJC. Structural basis for activity switching in polymerases determining the fate of let-7 pre-miRNAs. Nat Struct Mol Biol 2024:10.1038/s41594-024-01357-9. [PMID: 39054354 DOI: 10.1038/s41594-024-01357-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 06/17/2024] [Indexed: 07/27/2024]
Abstract
Tumor-suppressor let-7 pre-microRNAs (miRNAs) are regulated by terminal uridylyltransferases TUT7 and TUT4 that either promote let-7 maturation by adding a single uridine nucleotide to the pre-miRNA 3' end or mark them for degradation by the addition of multiple uridines. Oligo-uridylation is increased in cells by enhanced TUT7/4 expression and especially by the RNA-binding pluripotency factor LIN28A. Using cryogenic electron microscopy, we captured high-resolution structures of active forms of TUT7 alone, of TUT7 plus pre-miRNA and of both TUT7 and TUT4 bound with pre-miRNA and LIN28A. Our structures reveal that pre-miRNAs engage the enzymes in fundamentally different ways depending on the presence of LIN28A, which clamps them onto the TUTs to enable processive 3' oligo-uridylation. This study reveals the molecular basis for mono- versus oligo-uridylation by TUT7/4, as determined by the presence of LIN28A, and thus their mechanism of action in the regulation of cell fate and in cancer.
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Affiliation(s)
- Gangshun Yi
- Division of Structural Biology, Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Calleva Centre for Evolution and Human Science, Magdalen College, Oxford, UK
| | - Mingda Ye
- Centre for Medicines Discovery, University of Oxford, Oxford, UK
| | - Loic Carrique
- Division of Structural Biology, Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Afaf El-Sagheer
- Chemistry Research Laboratory, University of Oxford, Oxford, UK
- Institute for Life Sciences, University of Southampton Highfield Campus, Southampton, UK
| | - Tom Brown
- Chemistry Research Laboratory, University of Oxford, Oxford, UK
| | - Chris J Norbury
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Peijun Zhang
- Division of Structural Biology, Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, UK
- Chinese Academy of Medical Sciences Oxford Institute, University of Oxford, Oxford, UK
| | - Robert J C Gilbert
- Division of Structural Biology, Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
- Calleva Centre for Evolution and Human Science, Magdalen College, Oxford, UK.
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2
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Liu J, Lu F. Beyond simple tails: poly(A) tail-mediated RNA epigenetic regulation. Trends Biochem Sci 2024:S0968-0004(24)00161-0. [PMID: 39004583 DOI: 10.1016/j.tibs.2024.06.013] [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: 04/12/2024] [Revised: 06/19/2024] [Accepted: 06/19/2024] [Indexed: 07/16/2024]
Abstract
The poly(A) tail is an essential structural component of mRNA required for the latter's stability and translation. Recent technologies have enabled transcriptome-wide profiling of the length and composition of poly(A) tails, shedding light on their overlooked regulatory capacities. Notably, poly(A) tails contain not only adenine but also uracil, cytosine, and guanine residues. These findings strongly suggest that poly(A) tails could encode a wealth of regulatory information, similar to known reversible RNA chemical modifications. This review aims to succinctly summarize our current knowledge on the composition, dynamics, and regulatory functions of RNA poly(A) tails. Given their capacity to carry rich regulatory information beyond the genetic code, we propose the concept of 'poly(A) tail epigenetic information' as a new layer of RNA epigenetic regulation.
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Affiliation(s)
- Jingwen Liu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Falong Lu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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3
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Wang Y, Zhao A, Zhou N, Wang X, Pan C, Zhou S, Huang H, Yang Y, Yang J, Yang Y, Zhang J, Chen F, Cao Q, Zhao J, Zhang S, Li M, Li M. OSBPL2 compound heterozygous variants cause dyschromatosis, ichthyosis, deafness and atopic disease syndrome. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167207. [PMID: 38701954 DOI: 10.1016/j.bbadis.2024.167207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/26/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
PURPOSE In this study, we identified and diagnosed a novel inherited condition called Dyschromatosis, Ichthyosis, Deafness, and Atopic Disease (DIDA) syndrome. We present a series of studies to clarify the pathogenic variants and specific mechanism. METHODS Exome sequencing and Sanger sequencing was conducted in affected and unaffected family members. A variety of human and cell studies were performed to explore the pathogenic process of keratosis. RESULTS Our finding indicated that DIDA syndrome was caused by compound heterozygous variants in the oxysterol-binding protein-related protein 2 (OSBPL2) gene. Furthermore, our findings revealed a direct interaction between OSBPL2 and Phosphoinositide phospholipase C-beta-3 (PLCB3), a key player in hyperkeratosis. OSBPL2 effectively inhibits the ubiquitylation of PLCB3, thereby stabilizing PLCB3. Conversely, OSBPL2 variants lead to enhanced ubiquitination and subsequent degradation of PLCB3, leading to epidermal hyperkeratosis, characterized by aberrant proliferation and delayed terminal differentiation of keratinocytes. CONCLUSIONS Our study not only unveiled the association between OSBPL2 variants and the newly identified DIDA syndrome but also shed light on the underlying mechanism.
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Affiliation(s)
- Yumeng Wang
- Dermatology Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China
| | - Anqi Zhao
- Department of Dermatology, Children's Hospital of Fudan University, 201102 Shanghai, China
| | - Naihui Zhou
- Department of Dermatology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, 215006 Suzhou, China
| | - Xiaoxiao Wang
- Dermatology Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China
| | - Chaolan Pan
- Dermatology Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China
| | - Shengru Zhou
- Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), 215125 Suzhou, China
| | - Haisheng Huang
- Anhui University of Science and Technology School of Medicine, 232001, Anhui, China
| | - Yijun Yang
- Dermatology Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China
| | - Jianqiu Yang
- Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), 215125 Suzhou, China
| | - Yifan Yang
- Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), 215125 Suzhou, China
| | - Jingwen Zhang
- Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), 215125 Suzhou, China
| | - Fuying Chen
- Department of Dermatology, Children's Hospital of Fudan University, 201102 Shanghai, China
| | - Qiaoyu Cao
- Department of Dermatology, Children's Hospital of Fudan University, 201102 Shanghai, China
| | - Jingjun Zhao
- Dermatology Center, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 200092 Shanghai, China
| | - Si Zhang
- NHC Key Laboratory of Glycoconjugate Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, 200032 Shanghai, China.
| | - Ming Li
- Department of Dermatology, Children's Hospital of Fudan University, 201102 Shanghai, China.
| | - Min Li
- Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), 215125 Suzhou, China.
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4
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Xie R, Yuan S, Hu G, Zhan J, Jin K, Tang Y, Fan J, Zhao Y, Wang F, Chen C, Wang DW, Li H. Nuclear AGO2 promotes myocardial remodeling by activating ANKRD1 transcription in failing hearts. Mol Ther 2024; 32:1578-1594. [PMID: 38475992 PMCID: PMC11081878 DOI: 10.1016/j.ymthe.2024.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/01/2024] [Accepted: 03/08/2024] [Indexed: 03/14/2024] Open
Abstract
Heart failure (HF) is manifested by transcriptional and posttranscriptional reprogramming of critical genes. Multiple studies have revealed that microRNAs could translocate into subcellular organelles such as the nucleus to modify gene expression. However, the functional property of subcellular Argonaute2 (AGO2), the core member of the microRNA machinery, has remained elusive in HF. AGO2 was found to be localized in both the cytoplasm and nucleus of cardiomyocytes, and robustly increased in the failing hearts of patients and animal models. We demonstrated that nuclear AGO2 rather than cytosolic AGO2 overexpression by recombinant adeno-associated virus (serotype 9) with cardiomyocyte-specific troponin T promoter exacerbated the cardiac dysfunction in transverse aortic constriction (TAC)-operated mice. Mechanistically, nuclear AGO2 activates the transcription of ANKRD1, encoding ankyrin repeat domain-containing protein 1 (ANKRD1), which also has a dual function in the cytoplasm as part of the I-band of the sarcomere and in the nucleus as a transcriptional cofactor. Overexpression of nuclear ANKRD1 recaptured some key features of cardiac remodeling by inducing pathological MYH7 activation, whereas cytosolic ANKRD1 seemed cardioprotective. For clinical practice, we found ivermectin, an antiparasite drug, and ANPep, an ANKRD1 nuclear location signal mimetic peptide, were able to prevent ANKRD1 nuclear import, resulting in the improvement of cardiac performance in TAC-induced HF.
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Affiliation(s)
- Rong Xie
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Shuai Yuan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Guo Hu
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Jiabing Zhan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Kunying Jin
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Yuyan Tang
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Jiahui Fan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Yanru Zhao
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Feng Wang
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China
| | - Chen Chen
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China.
| | - Dao Wen Wang
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China.
| | - Huaping Li
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan 430030, China.
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5
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Lee YS, Levdansky Y, Jung Y, Kim VN, Valkov E. Deadenylation kinetics of mixed poly(A) tails at single-nucleotide resolution. Nat Struct Mol Biol 2024; 31:826-834. [PMID: 38374449 PMCID: PMC11102861 DOI: 10.1038/s41594-023-01187-1] [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: 04/29/2022] [Accepted: 11/24/2023] [Indexed: 02/21/2024]
Abstract
Shortening of messenger RNA poly(A) tails, or deadenylation, is a rate-limiting step in mRNA decay and is highly regulated during gene expression. The incorporation of non-adenosines in poly(A) tails, or 'mixed tailing', has been observed in vertebrates and viruses. Here, to quantitate the effect of mixed tails, we mathematically modeled deadenylation reactions at single-nucleotide resolution using an in vitro deadenylation system reconstituted with the complete human CCR4-NOT complex. Applying this model, we assessed the disrupting impact of single guanosine, uridine or cytosine to be equivalent to approximately 6, 8 or 11 adenosines, respectively. CCR4-NOT stalls at the 0, -1 and -2 positions relative to the non-adenosine residue. CAF1 and CCR4 enzyme subunits commonly prefer adenosine but exhibit distinct sequence selectivities and stalling positions. Our study provides an analytical framework to monitor deadenylation and reveals the molecular basis of tail sequence-dependent regulation of mRNA stability.
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Affiliation(s)
- Young-Suk Lee
- Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea.
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea.
| | - Yevgen Levdansky
- RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - Yoonseok Jung
- Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea
| | - V Narry Kim
- Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea.
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.
| | - Eugene Valkov
- RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
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6
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Li Y, Lemon SM. Biochemical analysis of the host factor activity of ZCCHC14 in hepatitis A virus replication. J Virol 2024; 98:e0005724. [PMID: 38501662 PMCID: PMC11019785 DOI: 10.1128/jvi.00057-24] [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: 01/09/2024] [Accepted: 03/01/2024] [Indexed: 03/20/2024] Open
Abstract
Relatively little is known of the mechanisms underlying hepatitis A virus (HAV) genome replication. Unlike other well-studied picornaviruses, HAV RNA replication requires the zinc finger protein ZCCHC14 and non-canonical TENT4 poly(A) polymerases with which it forms a complex. The ZCCHC14-TENT4 complex binds to a stem-loop located within the internal ribosome entry site (IRES) in the 5' untranslated RNA (5'UTR) and is essential for viral RNA synthesis, but the underlying mechanism is unknown. Here, we describe how different ZCCHC14 domains contribute to its RNA-binding, TENT4-binding, and HAV host factor activities. We show that the RNA-binding activity of ZCCHC14 requires both a sterile alpha motif (SAM) and a downstream unstructured domain (D4) and that ZCCHC14 contains two TENT4-binding sites: one at the N-terminus and the other around D4. Both RNA-binding and TENT4-binding are required for HAV host factor activity of ZCCHC14. We also demonstrate that the location of the ZCCHC14-binding site within the 5'UTR is critical for its function. Our study provides a novel insight into the function of ZCCHC14 and helps elucidate the mechanism of the ZCCHC14-TENT4 complex in HAV replication.IMPORTANCEThe zinc finger protein ZCCHC14 is an essential host factor for both hepatitis A virus (HAV) and hepatitis B virus (HBV). It recruits the non-canonical TENT4 poly(A) polymerases to viral RNAs and most likely also a subset of cellular mRNAs. Little is known about the details of these interactions. We show here the functional domains of ZCCHC14 that are involved in binding to HAV RNA and interactions with TENT4 and describe previously unrecognized peptide sequences that are critical for the HAV host factor activity of ZCCHC14. Our study advances the understanding of the ZCCHC14-TENT4 complex and how it functions in regulating viral and cellular RNAs.
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Affiliation(s)
- You Li
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Stanley M. Lemon
- Department of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Department of Microbiology & Immunology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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7
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Ma Y, Guo W, Mou Q, Shao X, Lyu M, Garcia V, Kong L, Lewis W, Ward C, Yang Z, Pan X, Yi SS, Lu Y. Spatial imaging of glycoRNA in single cells with ARPLA. Nat Biotechnol 2024; 42:608-616. [PMID: 37217750 PMCID: PMC10663388 DOI: 10.1038/s41587-023-01801-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 04/24/2023] [Indexed: 05/24/2023]
Abstract
Little is known about the biological roles of glycosylated RNAs (glycoRNAs), a recently discovered class of glycosylated molecules, because of a lack of visualization methods. We report sialic acid aptamer and RNA in situ hybridization-mediated proximity ligation assay (ARPLA) to visualize glycoRNAs in single cells with high sensitivity and selectivity. The signal output of ARPLA occurs only when dual recognition of a glycan and an RNA triggers in situ ligation, followed by rolling circle amplification of a complementary DNA, which generates a fluorescent signal by binding fluorophore-labeled oligonucleotides. Using ARPLA, we detect spatial distributions of glycoRNAs on the cell surface and their colocalization with lipid rafts as well as the intracellular trafficking of glycoRNAs through SNARE protein-mediated secretory exocytosis. Studies in breast cell lines suggest that surface glycoRNA is inversely associated with tumor malignancy and metastasis. Investigation of the relationship between glycoRNAs and monocyte-endothelial cell interactions suggests that glycoRNAs may mediate cell-cell interactions during the immune response.
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Affiliation(s)
- Yuan Ma
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
| | - Weijie Guo
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, USA
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
| | - Quanbing Mou
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
| | - Xiangli Shao
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
| | - Mingkuan Lyu
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
| | - Valeria Garcia
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, USA
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
| | - Linggen Kong
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, USA
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
| | - Whitney Lewis
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
| | - Carson Ward
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, USA
| | - Zhenglin Yang
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA
| | - Xingxin Pan
- Department of Oncology, Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
| | - S Stephen Yi
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
- Department of Oncology, Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
- Oden Institute for Computational Engineering and Sciences (ICES), The University of Texas at Austin, Austin, TX, USA
| | - Yi Lu
- Department of Chemistry, The University of Texas at Austin, Austin, TX, USA.
- Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA.
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8
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Hiers NM, Li T, Traugot CM, Xie M. Target-directed microRNA degradation: Mechanisms, significance, and functional implications. WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1832. [PMID: 38448799 PMCID: PMC11098282 DOI: 10.1002/wrna.1832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 03/08/2024]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that play a fundamental role in enabling miRNA-mediated target repression, a post-transcriptional gene regulatory mechanism preserved across metazoans. Loss of certain animal miRNA genes can lead to developmental abnormalities, disease, and various degrees of embryonic lethality. These short RNAs normally guide Argonaute (AGO) proteins to target RNAs, which are in turn translationally repressed and destabilized, silencing the target to fine-tune gene expression and maintain cellular homeostasis. Delineating miRNA-mediated target decay has been thoroughly examined in thousands of studies, yet despite these exhaustive studies, comparatively less is known about how and why miRNAs are directed for decay. Several key observations over the years have noted instances of rapid miRNA turnover, suggesting endogenous means for animals to induce miRNA degradation. Recently, it was revealed that certain targets, so-called target-directed miRNA degradation (TDMD) triggers, can "trigger" miRNA decay through inducing proteolysis of AGO and thereby the bound miRNA. This process is mediated in animals via the ZSWIM8 ubiquitin ligase complex, which is recruited to AGO during engagement with triggers. Since its discovery, several studies have identified that ZSWIM8 and TDMD are indispensable for proper animal development. Given the rapid expansion of this field of study, here, we summarize the key findings that have led to and followed the discovery of ZSWIM8-dependent TDMD. This article is categorized under: Regulatory RNAs/RNAi/Riboswitches > Regulatory RNAs RNA Turnover and Surveillance > Turnover/Surveillance Mechanisms RNA in Disease and Development > RNA in Development.
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Affiliation(s)
- Nicholas M Hiers
- Department of Biochemistry and Molecular Biology, College of Medicine, UF Health Cancer Center, UF Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Tianqi Li
- Department of Biochemistry and Molecular Biology, College of Medicine, UF Health Cancer Center, UF Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Conner M Traugot
- Department of Biochemistry and Molecular Biology, College of Medicine, UF Health Cancer Center, UF Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Mingyi Xie
- Department of Biochemistry and Molecular Biology, College of Medicine, UF Health Cancer Center, UF Genetics Institute, University of Florida, Gainesville, Florida, USA
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9
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Mofayezi A, Jadaliha M, Zangeneh FZ, Khoddami V. Poly(A) tale: From A to A; RNA polyadenylation in prokaryotes and eukaryotes. WILEY INTERDISCIPLINARY REVIEWS. RNA 2024; 15:e1837. [PMID: 38485452 DOI: 10.1002/wrna.1837] [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: 08/22/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 03/19/2024]
Abstract
Most eukaryotic mRNAs and different non-coding RNAs undergo a form of 3' end processing known as polyadenylation. Polyadenylation machinery is present in almost all organisms except few species. In bacteria, the machinery has evolved from PNPase, which adds heteropolymeric tails, to a poly(A)-specific polymerase. Differently, a complex machinery for accurate polyadenylation and several non-canonical poly(A) polymerases are developed in eukaryotes. The role of poly(A) tail has also evolved from serving as a degradative signal to a stabilizing modification that also regulates translation. In this review, we discuss poly(A) tail emergence in prokaryotes and its development into a stable, yet dynamic feature at the 3' end of mRNAs in eukaryotes. We also describe how appearance of novel poly(A) polymerases gives cells flexibility to shape poly(A) tail. We explain how poly(A) tail dynamics help regulate cognate RNA metabolism in a context-dependent manner, such as during oocyte maturation. Finally, we describe specific mRNAs in metazoans that bear stem-loops instead of poly(A) tails. We conclude with how recent discoveries about poly(A) tail can be applied to mRNA technology. This article is categorized under: RNA Evolution and Genomics > RNA and Ribonucleoprotein Evolution RNA Processing > 3' End Processing RNA Turnover and Surveillance > Regulation of RNA Stability.
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Affiliation(s)
- Ahmadreza Mofayezi
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
- ReNAP Therapeutics, Tehran, Iran
| | - Mahdieh Jadaliha
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | | | - Vahid Khoddami
- ReNAP Therapeutics, Tehran, Iran
- Pediatric Cell and Gene Therapy Research Center, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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10
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Guo S, Mao C, Peng J, Xie S, Yang J, Xie W, Li W, Yang H, Guo H, Zhu Z, Zheng Y. Improved lung cancer classification by employing diverse molecular features of microRNAs. Heliyon 2024; 10:e26081. [PMID: 38384512 PMCID: PMC10878959 DOI: 10.1016/j.heliyon.2024.e26081] [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: 01/12/2024] [Accepted: 02/07/2024] [Indexed: 02/23/2024] Open
Abstract
MiRNAs are edited or modified in multiple ways during their biogenesis pathways. It was reported that miRNA editing was deregulated in tumors, suggesting the potential value of miRNA editing in cancer classification. Here we extracted three types of miRNA features from 395 LUAD and control samples, including the abundances of original miRNAs, the abundances of edited miRNAs, and the editing levels of miRNA editing sites. Our results show that eight classification algorithms selected generally had better performances on combined features than on the abundances of miRNAs or editing features of miRNAs alone. One feature selection algorithm, i.e., the DFL algorithm, selected only three features, i.e., the frequencies of hsa-miR-135b-5p, hsa-miR-210-3p and hsa-mir-182_48u (an edited miRNA), from 316 training samples. Seven classification algorithms achieved 100% accuracies on these three features for 79 independent testing samples. These results indicate that the additional information of miRNA editing is useful in improving the classification of LUAD samples.
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Affiliation(s)
- Shiyong Guo
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
- College of Big Data, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
| | - Chunyi Mao
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Jun Peng
- Department of Thoracic Surgery, The First People's Hospital of Yunnan Province, i.e., The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan 650032, China
| | - Shaohui Xie
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Jun Yang
- School of Criminal Investigation, Yunnan Police College, Kunming, Yunnan 650223, China
| | - Wenping Xie
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
- College of Big Data, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
| | - Wanran Li
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
- College of Big Data, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
| | - Huaide Yang
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
- College of Big Data, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
| | - Hao Guo
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Zexuan Zhu
- National Engineering Laboratory for Big Data System Computing Technology, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Yun Zheng
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
- College of Big Data, Yunnan Agricultural University, Kunming, Yunnan, 650201, China
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11
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Kramps T. Introduction to RNA Vaccines Post COVID-19. Methods Mol Biol 2024; 2786:1-22. [PMID: 38814388 DOI: 10.1007/978-1-0716-3770-8_1] [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: 05/31/2024]
Abstract
Available prophylactic vaccines help prevent many infectious diseases that burden humanity. Future vaccinology will likely extend these benefits by more effectively countering newly emerging pathogens, fighting currently intractable infections, or even generating novel treatment modalities for non-infectious diseases. Instead of applying protein antigen directly, RNA vaccines contain short-lived genetic information that guides the expression of protein antigen in the vaccinee, like infection with a recombinant viral vector. Upon decades of research, messenger RNA-lipid nanoparticle (mRNA-LNP) vaccines have proven clinical value in addressing the COVID-19 pandemic as they combine benefits of killed subunit vaccines and live-attenuated vectors, including flexible production, self-adjuvanting effects, and stimulation of humoral and cellular immunity. RNA vaccines remain subject to continued development raising high hopes for broader future application. Their mechanistic versatility promises to make them a key tool of vaccinology and immunotherapy going forward. Here, I briefly review key developments in RNA vaccines and outline the contents of this volume of Methods in Molecular Biology.
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12
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Bofill-De Ros X, Vang Ørom UA. Recent progress in miRNA biogenesis and decay. RNA Biol 2024; 21:1-8. [PMID: 38031325 PMCID: PMC10761092 DOI: 10.1080/15476286.2023.2288741] [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] [Accepted: 11/17/2023] [Indexed: 12/01/2023] Open
Abstract
MicroRNAs are a class of small regulatory RNAs that mediate regulation of protein synthesis by recognizing sequence elements in mRNAs. MicroRNAs are processed through a series of steps starting from transcription and primary processing in the nucleus to precursor processing and mature function in the cytoplasm. It is also in the cytoplasm where levels of mature microRNAs can be modulated through decay mechanisms. Here, we review the recent progress in the lifetime of a microRNA at all steps required for maintaining their homoeostasis. The increasing knowledge about microRNA regulation upholds great promise as therapeutic targets.
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Affiliation(s)
- Xavier Bofill-De Ros
- RNA Biology and Innovation, Institute of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
- RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland, USA
| | - Ulf Andersson Vang Ørom
- RNA Biology and Innovation, Institute of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
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13
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Gupta A, Papas BN, Baptissart M, Morgan M. Quantification of Poly(A) Tail Length and Terminal Modifications Using Direct RNA Sequencing. Methods Mol Biol 2024; 2723:253-266. [PMID: 37824075 DOI: 10.1007/978-1-0716-3481-3_15] [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: 10/13/2023]
Abstract
Poly(A) tail metabolism is critical for various biological processes, including early embryogenesis and cell differentiation. While traditional biochemical methods to measure poly(A) tail length allow for the study of selected transcripts, the advent of long-read sequencing technologies enabled the development of simple and robust protocols to measure poly(A) tail length at the transcriptome level. Here, we describe a direct RNA sequencing protocol to capture poly(A) tail terminal additions based on the splint ligation of barcoded oligos compatible with terminal guanylation and uridylation. We cover how to prepare the libraries and perform the bioinformatics analysis to simultaneously determine the length of the transcripts' poly(A) tails and detect the presence of terminal guanylation and uridylation.
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Affiliation(s)
- Ankit Gupta
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | - Brian N Papas
- Integrative Bioinformatics, Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | - Marine Baptissart
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | - Marcos Morgan
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA.
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14
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Shang R, Lee S, Senavirathne G, Lai EC. microRNAs in action: biogenesis, function and regulation. Nat Rev Genet 2023; 24:816-833. [PMID: 37380761 PMCID: PMC11087887 DOI: 10.1038/s41576-023-00611-y] [Citation(s) in RCA: 81] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/27/2023] [Indexed: 06/30/2023]
Abstract
Ever since microRNAs (miRNAs) were first recognized as an extensive gene family >20 years ago, a broad community of researchers was drawn to investigate the universe of small regulatory RNAs. Although core features of miRNA biogenesis and function were revealed early on, recent years continue to uncover fundamental information on the structural and molecular dynamics of core miRNA machinery, how miRNA substrates and targets are selected from the transcriptome, new avenues for multilevel regulation of miRNA biogenesis and mechanisms for miRNA turnover. Many of these latest insights were enabled by recent technological advances, including massively parallel assays, cryogenic electron microscopy, single-molecule imaging and CRISPR-Cas9 screening. Here, we summarize the current understanding of miRNA biogenesis, function and regulation, and outline challenges to address in the future.
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Affiliation(s)
- Renfu Shang
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
| | - Seungjae Lee
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
| | - Gayan Senavirathne
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
| | - Eric C Lai
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA.
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15
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Koopmans PJ, Ismaeel A, Goljanek-Whysall K, Murach KA. The roles of miRNAs in adult skeletal muscle satellite cells. Free Radic Biol Med 2023; 209:228-238. [PMID: 37879420 PMCID: PMC10911817 DOI: 10.1016/j.freeradbiomed.2023.10.403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/16/2023] [Accepted: 10/22/2023] [Indexed: 10/27/2023]
Abstract
Satellite cells are bona fide muscle stem cells that are indispensable for successful post-natal muscle growth and regeneration after severe injury. These cells also participate in adult muscle adaptation in several capacities. MicroRNAs (miRNAs) are post-transcriptional regulators of mRNA that are implicated in several aspects of stem cell function. There is evidence to suggest that miRNAs affect satellite cell behavior in vivo during development and myogenic progenitor behavior in vitro, but the role of miRNAs in adult skeletal muscle satellite cells is less studied. In this review, we provide evidence for how miRNAs control satellite cell function with emphasis on satellite cells of adult skeletal muscle in vivo. We first outline how miRNAs are indispensable for satellite cell viability and control the phases of myogenesis. Next, we discuss the interplay between miRNAs and myogenic cell redox status, senescence, and communication to other muscle-resident cells during muscle adaptation. Results from recent satellite cell miRNA profiling studies are also summarized. In vitro experiments in primary myogenic cells and cell lines have been invaluable for exploring the influence of miRNAs, but we identify a need for novel genetic tools to further interrogate how miRNAs control satellite cell behavior in adult skeletal muscle in vivo.
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Affiliation(s)
- Pieter Jan Koopmans
- Exercise Science Research Center, Molecular Muscle Mass Regulation Laboratory, Department of Health, Human Performance, and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA; Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Ahmed Ismaeel
- Department of Physiology, College of Medicine, University of Kentucky, Lexington, KY, 40506, USA
| | - Katarzyna Goljanek-Whysall
- School of Medicine, College of Medicine, Nursing, and Health Sciences, University of Galway, Galway, Ireland
| | - Kevin A Murach
- Exercise Science Research Center, Molecular Muscle Mass Regulation Laboratory, Department of Health, Human Performance, and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA; Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, 72701, USA.
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16
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Ferre A, Santiago L, Sánchez-Herrero JF, López-Rodrigo O, Sánchez-Curbelo J, Sumoy L, Bassas L, Larriba S. 3'IsomiR Species Composition Affects Reliable Quantification of miRNA/isomiR Variants by Poly(A) RT-qPCR: Impact on Small RNA-Seq Profiling Validation. Int J Mol Sci 2023; 24:15436. [PMID: 37895116 PMCID: PMC10607168 DOI: 10.3390/ijms242015436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
Small RNA-sequencing (small RNA-seq) has revealed the presence of small RNA-naturally occurring variants such as microRNA (miRNA) isoforms or isomiRs. Due to their small size and the sequence similarity among miRNA isoforms, their validation by RT-qPCR is challenging. We previously identified two miR-31-5p isomiRs-the canonical and a 3'isomiR variant (3' G addition)-which were differentially expressed between individuals with azoospermia of different origin. Here, we sought to determine the discriminatory capacity between these two closely-related miRNA isoforms of three alternative poly(A) based-RT-qPCR strategies in both synthetic and real biological context. We found that these poly(A) RT-qPCR strategies exhibit a significant cross-reactivity between these miR-31-5p isomiRs which differ by a single nucleotide, compromising the reliable quantification of individual miRNA isoforms. Fortunately, in the biological context, given that the two miRNA variants show changes in the same direction, RT-qPCR results were consistent with the findings of small RNA-seq study. We suggest that miRNA selection for RT-qPCR validation should be performed with care, prioritizing those canonical miRNAs that, in small RNA-seq, show parallel/homogeneous expression behavior with their most prevalent isomiRs, to avoid confounding RT-qPCR-based results. This is suggested as the current best strategy for robust biomarker selection to develop clinically useful tests.
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Affiliation(s)
- Adriana Ferre
- Human Molecular Genetics Group—Bellvitge Biomedical Research Institute (IDIBELL), 08908 Hospitalet de Llobregat, Spain; (A.F.); (L.S.)
| | - Lucía Santiago
- Human Molecular Genetics Group—Bellvitge Biomedical Research Institute (IDIBELL), 08908 Hospitalet de Llobregat, Spain; (A.F.); (L.S.)
| | - José Francisco Sánchez-Herrero
- High Content Genomics and Bioinformatics (HCGB), Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain; (J.F.S.-H.); (L.S.)
| | - Olga López-Rodrigo
- Laboratory of Andrology and Sperm Bank, Andrology Service-Puigvert Foundation, 08025 Barcelona, Spain; (O.L.-R.); (J.S.-C.); (L.B.)
| | - Josvany Sánchez-Curbelo
- Laboratory of Andrology and Sperm Bank, Andrology Service-Puigvert Foundation, 08025 Barcelona, Spain; (O.L.-R.); (J.S.-C.); (L.B.)
| | - Lauro Sumoy
- High Content Genomics and Bioinformatics (HCGB), Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain; (J.F.S.-H.); (L.S.)
| | - Lluís Bassas
- Laboratory of Andrology and Sperm Bank, Andrology Service-Puigvert Foundation, 08025 Barcelona, Spain; (O.L.-R.); (J.S.-C.); (L.B.)
| | - Sara Larriba
- Human Molecular Genetics Group—Bellvitge Biomedical Research Institute (IDIBELL), 08908 Hospitalet de Llobregat, Spain; (A.F.); (L.S.)
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17
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Li L, Vasan L, Kartono B, Clifford K, Attarpour A, Sharma R, Mandrozos M, Kim A, Zhao W, Belotserkovsky A, Verkuyl C, Schmitt-Ulms G. Advances in Recombinant Adeno-Associated Virus Vectors for Neurodegenerative Diseases. Biomedicines 2023; 11:2725. [PMID: 37893099 PMCID: PMC10603849 DOI: 10.3390/biomedicines11102725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023] Open
Abstract
Recombinant adeno-associated virus (rAAV) vectors are gene therapy delivery tools that offer a promising platform for the treatment of neurodegenerative diseases. Keeping up with developments in this fast-moving area of research is a challenge. This review was thus written with the intention to introduce this field of study to those who are new to it and direct others who are struggling to stay abreast of the literature towards notable recent studies. In ten sections, we briefly highlight early milestones within this field and its first clinical success stories. We showcase current clinical trials, which focus on gene replacement, gene augmentation, or gene suppression strategies. Next, we discuss ongoing efforts to improve the tropism of rAAV vectors for brain applications and introduce pre-clinical research directed toward harnessing rAAV vectors for gene editing applications. Subsequently, we present common genetic elements coded by the single-stranded DNA of rAAV vectors, their so-called payloads. Our focus is on recent advances that are bound to increase treatment efficacies. As needed, we included studies outside the neurodegenerative disease field that showcased improved pre-clinical designs of all-in-one rAAV vectors for gene editing applications. Finally, we discuss risks associated with off-target effects and inadvertent immunogenicity that these technologies harbor as well as the mitigation strategies available to date to make their application safer.
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Affiliation(s)
- Leyao Li
- Department of Biochemistry, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
| | - Lakshmy Vasan
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Bryan Kartono
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Kevan Clifford
- Institute of Medical Science, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Centre for Addiction and Mental Health (CAMH), 250 College St., Toronto, ON M5T 1R8, Canada
| | - Ahmadreza Attarpour
- Department of Medical Biophysics, University of Toronto, 101 College St., Toronto, ON M5G 1L7, Canada
| | - Raghav Sharma
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Matthew Mandrozos
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ain Kim
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Wenda Zhao
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ari Belotserkovsky
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Claire Verkuyl
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Gerold Schmitt-Ulms
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
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18
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Wen X, Irshad A, Jin H. The Battle for Survival: The Role of RNA Non-Canonical Tails in the Virus-Host Interaction. Metabolites 2023; 13:1009. [PMID: 37755289 PMCID: PMC10537345 DOI: 10.3390/metabo13091009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/09/2023] [Accepted: 09/12/2023] [Indexed: 09/28/2023] Open
Abstract
Terminal nucleotidyltransferases (TENTs) could generate a 'mixed tail' or 'U-rich tail' consisting of different nucleotides at the 3' end of RNA by non-templated nucleotide addition to protect or degrade cellular messenger RNA. Recently, there has been increasing evidence that the decoration of virus RNA terminus with a mixed tail or U-rich tail is a critical way to affect viral RNA stability in virus-infected cells. This paper first briefly introduces the cellular function of the TENT family and non-canonical tails, then comprehensively reviews their roles in virus invasion and antiviral immunity, as well as the significance of the TENT family in antiviral therapy. This review will contribute to understanding the role and mechanism of non-canonical RNA tailing in survival competition between the virus and host.
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Affiliation(s)
| | | | - Hua Jin
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, No. 5 South Zhongguancun Street, Beijing 100081, China; (X.W.); (A.I.)
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19
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Liu Y, Guo S, Xie W, Yang H, Li W, Zhou N, Yang J, Zhou G, Mao C, Zheng Y. Identification of microRNA editing sites in clear cell renal cell carcinoma. Sci Rep 2023; 13:15117. [PMID: 37704698 PMCID: PMC10499803 DOI: 10.1038/s41598-023-42302-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 09/07/2023] [Indexed: 09/15/2023] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is a malignant tumor originating from the renal tubular epithelium. Although the microRNAs (miRNAs) transcriptome of ccRCC has been extensively studied, the role of miRNAs editing in ccRCC is largely unknown. By analyzing small RNA sequencing profiles of renal tissues of 154 ccRCC patients and 22 normal controls, we identified 1025 miRNA editing sites from 246 pre-miRNAs. There were 122 editing events with significantly different editing levels in ccRCC compared to normal samples, which include two A-to-I editing events in the seed regions of hsa-mir-376a-3p and hsa-mir-376c-3p, respectively, and one C-to-U editing event in the seed region of hsa-mir-29c-3p. After comparing the targets of the original and edited miRNAs, we found that hsa-mir-376a-1_49g, hsa-mir-376c_48g and hsa-mir-29c_59u had many new targets, respectively. Many of these new targets were deregulated in ccRCC, which might be related to the different editing levels of hsa-mir-376a-3p, hsa-mir-376c-3p, hsa-mir-29c-3p in ccRCC compared to normal controls. Our study sheds new light on miRNA editing events and their potential biological functions in ccRCC.
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Affiliation(s)
- Yulong Liu
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Shiyong Guo
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Wenping Xie
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Huaide Yang
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
- Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Wanran Li
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Nan Zhou
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Jun Yang
- School of Criminal Investigation, Yunnan Police College, Kunming, 650223, Yunnan, China
| | - Guangchen Zhou
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Chunyi Mao
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
| | - Yun Zheng
- College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, 650201, Yunnan, China.
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20
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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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21
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Joly AC, Garcia S, Hily JM, Koechler S, Demangeat G, Garcia D, Vigne E, Lemaire O, Zuber H, Gagliardi D. An extensive survey of phytoviral RNA 3' uridylation identifies extreme variations and virus-specific patterns. PLANT PHYSIOLOGY 2023; 193:271-290. [PMID: 37177985 PMCID: PMC10469402 DOI: 10.1093/plphys/kiad278] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/30/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023]
Abstract
Viral RNAs can be uridylated in eukaryotic hosts. However, our knowledge of uridylation patterns and roles remains rudimentary for phytoviruses. Here, we report global 3' terminal RNA uridylation profiles for representatives of the main families of positive single-stranded RNA phytoviruses. We detected uridylation in all 47 viral RNAs investigated here, revealing its prevalence. Yet, uridylation levels of viral RNAs varied from 0.2% to 90%. Unexpectedly, most poly(A) tails of grapevine fanleaf virus (GFLV) RNAs, including encapsidated tails, were strictly monouridylated, which corresponds to an unidentified type of viral genomic RNA extremity. This monouridylation appears beneficial for GFLV because it became dominant when plants were infected with nonuridylated GFLV transcripts. We found that GFLV RNA monouridylation is independent of the known terminal uridylyltransferases (TUTases) HEN1 SUPPRESSOR 1 (HESO1) and UTP:RNA URIDYLYLTRANSFERASE 1 (URT1) in Arabidopsis (Arabidopsis thaliana). By contrast, both TUTases can uridylate other viral RNAs like turnip crinkle virus (TCV) and turnip mosaic virus (TuMV) RNAs. Interestingly, TCV and TuMV degradation intermediates were differentially uridylated by HESO1 and URT1. Although the lack of both TUTases did not prevent viral infection, we detected degradation intermediates of TCV RNA at higher levels in an Arabidopsis heso1 urt1 mutant, suggesting that uridylation participates in clearing viral RNA. Collectively, our work unveils an extreme diversity of uridylation patterns across phytoviruses and constitutes a valuable resource to further decipher pro- and antiviral roles of uridylation.
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Affiliation(s)
- Anne Caroline Joly
- Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, Strasbourg 67084, France
| | - Shahinez Garcia
- UMR Santé de la Vigne et Qualité du Vin, INRAE, Université de Strasbourg, Colmar 68000, France
| | - Jean-Michel Hily
- UMR Santé de la Vigne et Qualité du Vin, INRAE, Université de Strasbourg, Colmar 68000, France
- Institut Français de la Vigne et du Vin, Le Grau-Du-Roi 30240, France
| | - Sandrine Koechler
- Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, Strasbourg 67084, France
| | - Gérard Demangeat
- UMR Santé de la Vigne et Qualité du Vin, INRAE, Université de Strasbourg, Colmar 68000, France
| | - Damien Garcia
- Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, Strasbourg 67084, France
| | - Emmanuelle Vigne
- UMR Santé de la Vigne et Qualité du Vin, INRAE, Université de Strasbourg, Colmar 68000, France
| | - Olivier Lemaire
- UMR Santé de la Vigne et Qualité du Vin, INRAE, Université de Strasbourg, Colmar 68000, France
| | - Hélène Zuber
- Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, Strasbourg 67084, France
| | - Dominique Gagliardi
- Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, Strasbourg 67084, France
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22
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Zhang J, Liu Y, Li C, Xiao Q, Zhang D, Chen Y, Rosenecker J, Ding X, Guan S. Recent Advances and Innovations in the Preparation and Purification of In Vitro-Transcribed-mRNA-Based Molecules. Pharmaceutics 2023; 15:2182. [PMID: 37765153 PMCID: PMC10536309 DOI: 10.3390/pharmaceutics15092182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/31/2023] [Accepted: 08/20/2023] [Indexed: 09/29/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic poses a disruptive impact on public health and the global economy. Fortunately, the development of COVID-19 vaccines based on in vitro-transcribed messenger RNA (IVT mRNA) has been a breakthrough in medical history, benefiting billions of people with its high effectiveness, safety profile, and ease of large-scale production. This success is the result of decades of continuous RNA research, which has led to significant improvements in the stability and expression level of IVT mRNA through various approaches such as sequence optimization and improved preparation processes. IVT mRNA sequence optimization has been shown to have a positive effect on enhancing the mRNA expression level. The innovation of IVT mRNA purification technology is also indispensable, as the purity of IVT mRNA directly affects the success of downstream vaccine preparation processes and the potential for inducing unwanted side effects in therapeutic applications. Despite the progress made, challenges related to IVT mRNA sequence design and purification still require further attention to enhance the quality of IVT mRNA in the future. In this review, we discuss the latest innovative progress in IVT mRNA design and purification to further improve its clinical efficacy.
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Affiliation(s)
- Jingjing Zhang
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
| | - Yuheng Liu
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Chao Li
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
| | - Qin Xiao
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
| | - Dandan Zhang
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
| | - Yang Chen
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
| | - Joseph Rosenecker
- Department of Pediatrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany;
| | - Xiaoyan Ding
- Department of Pediatrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany;
| | - Shan Guan
- National Engineering Research Center of Immunological Products, Third Military Medical University, Chongqing 400038, China; (J.Z.); (Y.L.); (C.L.); (Q.X.); (D.Z.); (Y.C.)
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23
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Yamashita S, Tomita K. Mechanism of U6 snRNA oligouridylation by human TUT1. Nat Commun 2023; 14:4686. [PMID: 37563152 PMCID: PMC10415362 DOI: 10.1038/s41467-023-40420-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023] Open
Abstract
U6 snRNA is a catalytic RNA responsible for pre-mRNA splicing reactions and undergoes various post-transcriptional modifications during its maturation process. The 3'-oligouridylation of U6 snRNA by the terminal uridylyltransferase, TUT1, provides the Lsm-binding site in U6 snRNA for U4/U6 di-snRNP formation and this ensures pre-mRNA splicing. Here, we present the crystal structure of human TUT1 (hTUT1) complexed with U6 snRNA, representing the post-uridylation of U6 snRNA by hTUT1. The N-terminal ZF-RRM and catalytic palm clamp the single-stranded AUA motif between the 5'-short stem and the 3'-telestem of U6 snRNA, and the ZF-RRM specifically recognizes the AUA motif. The ZF and the fingers hold the telestem, and the 3'-end of U6 snRNA is placed in the catalytic pocket of the palm for oligouridylation. The oligouridylation of U6 snRNA depends on the internal four-adenosine tract in the 5'-part of the telestem of U6 snRNA, and hTUT1 adds uridines until the internal adenosine tract can form base-pairs with the 3'-oligouridine tract. Together, the recognition of the specific structure and sequence of U6 snRNA by the multi-domain TUT1 protein and the intrinsic sequence and structure of U6 snRNA ensure the oligouridylation of U6 snRNA.
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Affiliation(s)
- Seisuke Yamashita
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, 277-8562, Japan
| | - Kozo Tomita
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, 277-8562, Japan.
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24
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Yihunie W, Nibret G, Aschale Y. Recent Advances in Messenger Ribonucleic Acid (mRNA) Vaccines and Their Delivery Systems: A Review. Clin Pharmacol 2023; 15:77-98. [PMID: 37554660 PMCID: PMC10405914 DOI: 10.2147/cpaa.s418314] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/28/2023] [Indexed: 08/10/2023] Open
Abstract
Messenger ribonucleic acid (mRNA) was found as the intermediary that transfers genetic information from DNA to ribosomes for protein synthesis in 1961. The emergency use authorization of the two covid-19 mRNA vaccines, BNT162b2 and mRNA-1273, is a significant achievement in the history of vaccine development. Because they are generated in a cell-free environment using the in vitro transcription (IVT) process, mRNA vaccines are risk-free. Moreover, chemical modifications to the mRNA molecule, such as cap structures and changed nucleosides, have proved critical in overcoming immunogenicity concerns, achieving sustained stability, and achieving effective, accurate protein production in vivo. Several vaccine delivery strategies (including protamine, lipid nanoparticles (LNPs), polymers, nanoemulsions, and cell-based administration) were also optimized to load and transport RNA into the cytosol. LNPs, which are composed of a cationic or a pH-dependent ionizable lipid layer, a polyethylene glycol (PEG) component, phospholipids, and cholesterol, are the most advanced systems for delivering mRNA vaccines. Moreover, modifications of the four components that make up the LNPs showed to increase vaccine effectiveness and reduce side effects. Furthermore, the introduction of biodegradable lipids improved LNP biocompatibility. Furthermore, mRNA-based therapies are expected to be effective treatments for a variety of refractory conditions, including infectious diseases, metabolic genetic diseases, cancer, cardiovascular and cerebrovascular diseases. Therefore, the present review aims to provide the scientific community with up-to-date information on mRNA vaccines and their delivery systems.
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Affiliation(s)
- Wubetu Yihunie
- Department of Pharmacy, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
| | - Getinet Nibret
- Department of Pharmacy, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
| | - Yibeltal Aschale
- Department of Medical Laboratory Science, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
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25
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Rouhana L, Edgar A, Hugosson F, Dountcheva V, Martindale MQ, Ryan JF. Cytoplasmic Polyadenylation Is an Ancestral Hallmark of Early Development in Animals. Mol Biol Evol 2023; 40:msad137. [PMID: 37288606 PMCID: PMC10284499 DOI: 10.1093/molbev/msad137] [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: 12/02/2022] [Revised: 04/18/2023] [Accepted: 06/05/2023] [Indexed: 06/09/2023] Open
Abstract
Differential regulation of gene expression has produced the astonishing diversity of life on Earth. Understanding the origin and evolution of mechanistic innovations for control of gene expression is therefore integral to evolutionary and developmental biology. Cytoplasmic polyadenylation is the biochemical extension of polyadenosine at the 3'-end of cytoplasmic mRNAs. This process regulates the translation of specific maternal transcripts and is mediated by the Cytoplasmic Polyadenylation Element-Binding Protein family (CPEBs). Genes that code for CPEBs are amongst a very few that are present in animals but missing in nonanimal lineages. Whether cytoplasmic polyadenylation is present in non-bilaterian animals (i.e., sponges, ctenophores, placozoans, and cnidarians) remains unknown. We have conducted phylogenetic analyses of CPEBs, and our results show that CPEB1 and CPEB2 subfamilies originated in the animal stem lineage. Our assessment of expression in the sea anemone, Nematostella vectensis (Cnidaria), and the comb jelly, Mnemiopsis leidyi (Ctenophora), demonstrates that maternal expression of CPEB1 and the catalytic subunit of the cytoplasmic polyadenylation machinery (GLD2) is an ancient feature that is conserved across animals. Furthermore, our measurements of poly(A)-tail elongation reveal that key targets of cytoplasmic polyadenylation are shared between vertebrates, cnidarians, and ctenophores, indicating that this mechanism orchestrates a regulatory network that is conserved throughout animal evolution. We postulate that cytoplasmic polyadenylation through CPEBs was a fundamental innovation that contributed to animal evolution from unicellular life.
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Affiliation(s)
- Labib Rouhana
- Department of Biology, University of Massachusetts Boston, Boston, MA, USA
| | - Allison Edgar
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL, USA
| | - Fredrik Hugosson
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL, USA
| | - Valeria Dountcheva
- Department of Biology, University of Massachusetts Boston, Boston, MA, USA
| | - Mark Q Martindale
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL, USA
- Department of Biology, University of Florida, Gainesville, FL, USA
| | - Joseph F Ryan
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL, USA
- Department of Biology, University of Florida, Gainesville, FL, USA
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26
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Gupta A, Li Y, Chen SH, Papas BN, Martin NP, Morgan M. TUT4/7-mediated uridylation of a coronavirus subgenomic RNAs delays viral replication. Commun Biol 2023; 6:438. [PMID: 37085578 PMCID: PMC10119532 DOI: 10.1038/s42003-023-04814-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 04/05/2023] [Indexed: 04/23/2023] Open
Abstract
Coronaviruses are positive-strand RNA viruses with 3' polyadenylated genomes and subgenomic transcripts. The lengths of the viral poly(A) tails change during infection by mechanisms that remain poorly understood. Here, we use a splint-ligation method to measure the poly(A) tail length and poly(A) terminal uridylation and guanylation of the mouse hepatitis virus (MHV) RNAs. Upon infection of 17-CL1 cells with MHV, a member of the Betacoronavirus genus, we observe two populations of terminally uridylated viral transcripts, one with poly(A) tails ~44 nucleotides long and the other with poly(A) tails shorter than ~22 nucleotides. The mammalian terminal uridylyl-transferase 4 (TUT4) and terminal uridylyl-transferase 7 (TUT7), referred to as TUT4/7, add non-templated uracils to the 3'-end of endogenous transcripts with poly(A) tails shorter than ~30 nucleotides to trigger transcript decay. Here we find that depletion of the host TUT4/7 results in an increased replication capacity of the MHV virus. At late stages of infection, the population of uridylated subgenomic RNAs with tails shorter than ~22 nucleotides is reduced in the absence of TUT4/7 while the viral RNA load increases. Our findings indicate that TUT4/7 uridylation marks the MHV subgenomic RNAs for decay and delays viral replication.
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Affiliation(s)
- Ankit Gupta
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA
| | - Yin Li
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA
| | - Shih-Heng Chen
- Viral Vector Core Facility, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA
| | - Brian N Papas
- Integrative Bioinformatics, Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA
| | - Negin P Martin
- Viral Vector Core Facility, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA
| | - Marcos Morgan
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, 27709, USA.
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27
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Qi Y, Zhao X, Dong Y, Wang M, Wang J, Fan Z, Weng Q, Yu H, Li J. Opportunities and challenges of natural killer cell-derived extracellular vesicles. Front Bioeng Biotechnol 2023; 11:1122585. [PMID: 37064251 PMCID: PMC10102538 DOI: 10.3389/fbioe.2023.1122585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Extracellular vesicles (EVs) are increasingly recognized as important intermediaries of intercellular communication. They have significant roles in many physiological and pathological processes and show great promise as novel biomarkers of disease, therapeutic agents, and drug delivery tools. Existing studies have shown that natural killer cell-derived EVs (NEVs) can directly kill tumor cells and participate in the crosstalk of immune cells in the tumor microenvironment. NEVs own identical cytotoxic proteins, cytotoxic receptors, and cytokines as NK cells, which is the biological basis for their application in antitumor therapy. The nanoscale size and natural targeting property of NEVs enable precisely killing tumor cells. Moreover, endowing NEVs with a variety of fascinating capabilities via common engineering strategies has become a crucial direction for future research. Thus, here we provide a brief overview of the characteristics and physiological functions of the various types of NEVs, focusing on their production, isolation, functional characterization, and engineering strategies for their promising application as a cell-free modality for tumor immunotherapy.
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Affiliation(s)
- Yuchen Qi
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiang Zhao
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- *Correspondence: Xiang Zhao, ; Hua Yu, ; Jianjun Li,
| | - Yan Dong
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Min Wang
- Department of General Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Junyi Wang
- Department of General Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhichao Fan
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Qin Weng
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Hua Yu
- Department of General Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Xiang Zhao, ; Hua Yu, ; Jianjun Li,
| | - Jianjun Li
- Department of Oncology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- *Correspondence: Xiang Zhao, ; Hua Yu, ; Jianjun Li,
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28
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Wu S, Zhang Y, Yao L, Wang J, Lu F, Liu Y. m 6A-modified RNAs possess distinct poly(A) tails. J Genet Genomics 2023; 50:208-211. [PMID: 36257580 DOI: 10.1016/j.jgg.2022.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/09/2022] [Accepted: 10/09/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Shuang Wu
- College of Life Science, Northeast Agricultural University, Harbin, Hei Longjiang 150030, China; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Yiwei Zhang
- College of Life Science, Northeast Agricultural University, Harbin, Hei Longjiang 150030, China; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Lan Yao
- College of Life Science, Northeast Agricultural University, Harbin, Hei Longjiang 150030, China; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Jiaqiang Wang
- College of Life Science, Northeast Agricultural University, Harbin, Hei Longjiang 150030, China.
| | - Falong Lu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yusheng Liu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing 100101, China; College of Life Science, Northeast Forestry University, Harbin, Hei Longjiang 150040, China.
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29
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Lee S, Jee D, Srivastava S, Yang A, Ramidi A, Shang R, Bortolamiol-Becet D, Pfeffer S, Gu S, Wen J, Lai EC. Promiscuous splicing-derived hairpins are dominant substrates of tailing-mediated defense of miRNA biogenesis in mammals. Cell Rep 2023; 42:112111. [PMID: 36800291 PMCID: PMC10508058 DOI: 10.1016/j.celrep.2023.112111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 11/16/2022] [Accepted: 01/30/2023] [Indexed: 02/18/2023] Open
Abstract
Canonical microRNA (miRNA) hairpins are processed by the RNase III enzymes Drosha and Dicer into ∼22 nt RNAs loaded into an Argonaute (Ago) effector. In addition, splicing generates numerous intronic hairpins that bypass Drosha (mirtrons) to yield mature miRNAs. Here, we identify hundreds of previously unannotated, splicing-derived hairpins in intermediate-length (∼50-100 nt) but not small (20-30 nt) RNA data. Since we originally defined mirtrons from small RNA duplexes, we term this larger set as structured splicing-derived RNAs (ssdRNAs). These associate with Dicer and/or Ago complexes, but generally accumulate modestly and are poorly conserved. We propose they contaminate the canonical miRNA pathway, which consequently requires defense against the siege of splicing-derived substrates. Accordingly, ssdRNAs/mirtrons comprise dominant hairpin substrates for 3' tailing by multiple terminal nucleotidyltransferases, notably TUT4/7 and TENT2. Overall, the rampant proliferation of young mammalian mirtrons/ssdRNAs, coupled with an inhibitory molecular defense, comprises a Red Queen's race of intragenomic conflict.
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Affiliation(s)
- Seungjae Lee
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA
| | - David Jee
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA; Weill Graduate School of Medical Sciences, Weill Cornell Medical College, New York, NY 10065, USA
| | - Sid Srivastava
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA; High Technology High School, Lincroft, NJ 07738, USA
| | - Acong Yang
- RNA Biology Laboratory, Center for Cancer Research, 8 National Cancer Institute, Frederick, MD 21702, USA
| | - Abhinav Ramidi
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA; High Technology High School, Lincroft, NJ 07738, USA
| | - Renfu Shang
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA
| | - Diane Bortolamiol-Becet
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA; Université de Strasbourg, Architecture et Réactivité de l'ARN, Institut de Biologie Moléculaire et Cellulaire du CNRS, 2 Allée Konrad Roentgen, 67084 Strasbourg, France
| | - Sébastien Pfeffer
- Université de Strasbourg, Architecture et Réactivité de l'ARN, Institut de Biologie Moléculaire et Cellulaire du CNRS, 2 Allée Konrad Roentgen, 67084 Strasbourg, France
| | - Shuo Gu
- RNA Biology Laboratory, Center for Cancer Research, 8 National Cancer Institute, Frederick, MD 21702, USA
| | - Jiayu Wen
- Division of Genome Sciences and Cancer, The John Curtin School of Medical Research, The Australian National University, Canberra, ACT, Australia.
| | - Eric C Lai
- Developmental Biology Program, Sloan-Kettering Institute, 1275 York Avenue, Box 252, New York, NY 10065, USA; Weill Graduate School of Medical Sciences, Weill Cornell Medical College, New York, NY 10065, USA.
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30
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Kim M, Swenson J, McLoughlin F, Vierling E. Mutation of the polyadenylation complex subunit CstF77 reveals that mRNA 3' end formation and HSP101 levels are critical for a robust heat stress response. THE PLANT CELL 2023; 35:924-941. [PMID: 36472129 PMCID: PMC9940869 DOI: 10.1093/plcell/koac351] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Heat shock protein 101 (HSP101) in plants, and bacterial and yeast orthologs, is essential for thermotolerance. To investigate thermotolerance mechanisms involving HSP101, we performed a suppressor screen in Arabidopsis thaliana of a missense HSP101 allele (hot1-4). hot1-4 plants are sensitive to acclimation heat treatments that are otherwise permissive for HSP101 null mutants, indicating that the hot1-4 protein is toxic. We report one suppressor (shot2, suppressor of hot1-4 2) has a missense mutation of a conserved residue in CLEAVAGE STIMULATION FACTOR77 (CstF77), a subunit of the polyadenylation complex critical for mRNA 3' end maturation. We performed ribosomal RNA depletion RNA-Seq and captured transcriptional readthrough with a custom bioinformatics pipeline. Acclimation heat treatment caused transcriptional readthrough in hot1-4 shot2, with more readthrough in heat-induced genes, reducing the levels of toxic hot1-4 protein and suppressing hot1-4 heat sensitivity. Although shot2 mutants develop like the wild type in the absence of stress and survive mild heat stress, reduction of heat-induced genes and decreased HSP accumulation makes shot2 in HSP101 null and wild-type backgrounds sensitive to severe heat stress. Our study reveals the critical function of CstF77 for 3' end formation of mRNA and the dominant role of HSP101 in dictating the outcome of severe heat stress.
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Affiliation(s)
- Minsoo Kim
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - John Swenson
- Program for Organismic and Evolutionary Biology, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Fionn McLoughlin
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Elizabeth Vierling
- Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, Massachusetts 01003, USA
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31
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Brouze A, Krawczyk PS, Dziembowski A, Mroczek S. Measuring the tail: Methods for poly(A) tail profiling. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1737. [PMID: 35617484 PMCID: PMC10078590 DOI: 10.1002/wrna.1737] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/13/2022] [Accepted: 04/15/2022] [Indexed: 01/31/2023]
Abstract
The 3'-end poly(A) tail is an important and potent feature of most mRNA molecules that affects mRNA fate and translation efficiency. Polyadenylation is a posttranscriptional process that occurs in the nucleus by canonical poly(A) polymerases (PAPs). In some specific instances, the poly(A) tail can also be extended in the cytoplasm by noncanonical poly(A) polymerases (ncPAPs). This epitranscriptomic regulation of mRNA recently became one of the most interesting aspects in the field. Advances in RNA sequencing technologies and software development have allowed the precise measurement of poly(A) tails, identification of new ncPAPs, expansion of the function of known enzymes, discovery and a better understanding of the physiological role of tail heterogeneity, and recognition of a correlation between tail length and RNA translatability. Here, we summarize the development of polyadenylation research methods, including classic low-throughput approaches, Illumina-based genome-wide analysis, and advanced state-of-art techniques that utilize long-read third-generation sequencing with Pacific Biosciences and Oxford Nanopore Technologies platforms. A boost in technical opportunities over recent decades has allowed a better understanding of the regulation of gene expression at the mRNA level. This article is categorized under: RNA Methods > RNA Analyses In Vitro and In Silico.
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Affiliation(s)
- Aleksandra Brouze
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - Paweł Szczepan Krawczyk
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Warsaw, Poland
| | - Andrzej Dziembowski
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland.,Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Warsaw, Poland.,Department of Embryology, Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - Seweryn Mroczek
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland.,Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Warsaw, Poland
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32
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Deng M, Wang X, Xiong Z, Tang P. Control of RNA degradation in cell fate decision. Front Cell Dev Biol 2023; 11:1164546. [PMID: 37025171 PMCID: PMC10070868 DOI: 10.3389/fcell.2023.1164546] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/03/2023] [Indexed: 04/08/2023] Open
Abstract
Cell fate is shaped by a unique gene expression program, which reflects the concerted action of multilayered precise regulation. Substantial research attention has been paid to the contribution of RNA biogenesis to cell fate decisions. However, increasing evidence shows that RNA degradation, well known for its function in RNA processing and the surveillance of aberrant transcripts, is broadly engaged in cell fate decisions, such as maternal-to-zygotic transition (MZT), stem cell differentiation, or somatic cell reprogramming. In this review, we first look at the diverse RNA degradation pathways in the cytoplasm and nucleus. Then, we summarize how selective transcript clearance is regulated and integrated into the gene expression regulation network for the establishment, maintenance, and exit from a special cellular state.
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Affiliation(s)
- Mingqiang Deng
- Center for Cell Lineage and Development, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiwei Wang
- Guangzhou Laboratory, Guangzhou, Guangdong, China
| | - Zhi Xiong
- Center for Cell Lineage and Development, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health GuangDong Laboratory), Guangzhou, China
| | - Peng Tang
- Center for Cell Lineage and Development, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- *Correspondence: Peng Tang,
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Liu Y, Nie H, Zhang Y, Lu F, Wang J. Comprehensive analysis of mRNA poly(A) tails by PAIso-seq2. SCIENCE CHINA. LIFE SCIENCES 2023; 66:187-190. [PMID: 36044132 DOI: 10.1007/s11427-022-2186-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 08/23/2022] [Indexed: 02/04/2023]
Affiliation(s)
- Yusheng Liu
- College of Life Science, Northeast Forestry University, Harbin, 150040, China.
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Hu Nie
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yiwei Zhang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Science, Northeast Agricultural University, Harbin, 150030, China
| | - Falong Lu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Jiaqiang Wang
- College of Life Science, Northeast Agricultural University, Harbin, 150030, China.
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Qi Y, Wang M, Jiang Q. PABPC1--mRNA stability, protein translation and tumorigenesis. Front Oncol 2022; 12:1025291. [PMID: 36531055 PMCID: PMC9753129 DOI: 10.3389/fonc.2022.1025291] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/08/2022] [Indexed: 09/29/2023] Open
Abstract
Mammalian poly A-binding proteins (PABPs) are highly conserved multifunctional RNA-binding proteins primarily involved in the regulation of mRNA translation and stability, of which PABPC1 is considered a central regulator of cytoplasmic mRNA homing and is involved in a wide range of physiological and pathological processes by regulating almost every aspect of RNA metabolism. Alterations in its expression and function disrupt intra-tissue homeostasis and contribute to the development of various tumors. There is increasing evidence that PABPC1 is aberrantly expressed in a variety of tumor tissues and cancers such as lung, gastric, breast, liver, and esophageal cancers, and PABPC1 might be used as a potential biomarker for tumor diagnosis, treatment, and clinical application in the future. In this paper, we review the abnormal expression, functional role, and molecular mechanism of PABPC1 in tumorigenesis and provide directions for further understanding the regulatory role of PABPC1 in tumor cells.
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Affiliation(s)
- Ya Qi
- Department of Gynecology and Obstetrics, Shengjing Hospital Affiliated of China Medical University, Shenyang, Liaoning, China
| | - Min Wang
- Department of Gynecology and Obstetrics, Shengjing Hospital Affiliated of China Medical University, Shenyang, Liaoning, China
| | - Qi Jiang
- Second Department of Clinical Medicine, China Medical University, Shenyang, Liaoning, China
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Liudkovska V, Krawczyk PS, Brouze A, Gumińska N, Wegierski T, Cysewski D, Mackiewicz Z, Ewbank JJ, Drabikowski K, Mroczek S, Dziembowski A. TENT5 cytoplasmic noncanonical poly(A) polymerases regulate the innate immune response in animals. SCIENCE ADVANCES 2022; 8:eadd9468. [PMID: 36383655 PMCID: PMC9668313 DOI: 10.1126/sciadv.add9468] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Innate immunity is the first line of host defense against pathogens. Here, through global transcriptome and proteome analyses, we uncover that newly described cytoplasmic poly(A) polymerase TENT-5 (terminal nucleotidyltransferase 5) enhances the expression of secreted innate immunity effector proteins in Caenorhabditis elegans. Direct RNA sequencing revealed that multiple mRNAs with signal peptide-encoding sequences have shorter poly(A) tails in tent-5-deficient worms. Those mRNAs are translated at the endoplasmic reticulum where a fraction of TENT-5 is present, implying that they represent its direct substrates. Loss of tent-5 makes worms more susceptible to bacterial infection. Notably, the role of TENT-5 in innate immunity is evolutionarily conserved. Its orthologs, TENT5A and TENT5C, are expressed in macrophages and induced during their activation. Analysis of macrophages devoid of TENT5A/C revealed their role in the regulation of secreted proteins involved in defense response. In summary, our study reveals cytoplasmic polyadenylation to be a previously unknown component of the posttranscriptional regulation of innate immunity in animals.
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Affiliation(s)
- Vladyslava Liudkovska
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
- Faculty of Biology, University of Warsaw, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Paweł S Krawczyk
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Aleksandra Brouze
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
- Faculty of Biology, University of Warsaw, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Natalia Gumińska
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
| | - Tomasz Wegierski
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
| | - Dominik Cysewski
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Zuzanna Mackiewicz
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
| | - Jonathan J Ewbank
- Aix Marseille University, INSERM, CNRS, CIML, Turing Centre for Living Systems, Marseille, France
| | - Krzysztof Drabikowski
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Seweryn Mroczek
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
- Faculty of Biology, University of Warsaw, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Andrzej Dziembowski
- Laboratory of RNA Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02-109 Warsaw, Poland
- Faculty of Biology, University of Warsaw, Pawinskiego 5a, 02-106 Warsaw, Poland
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland
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Paloviita P, Vuoristo S. The non-coding genome in early human development - Recent advancements. Semin Cell Dev Biol 2022; 131:4-13. [PMID: 35177347 DOI: 10.1016/j.semcdb.2022.02.010] [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: 12/01/2021] [Revised: 02/08/2022] [Accepted: 02/08/2022] [Indexed: 12/14/2022]
Abstract
Not that long ago, the human genome was discovered to be mainly non-coding, that is comprised of DNA sequences that do not code for proteins. The initial paradigm that non-coding is also non-functional was soon overturned and today the work to uncover the functions of non-coding DNA and RNA in human early embryogenesis has commenced. Early human development is characterized by large-scale changes in genomic activity and the transcriptome that are partly driven by the coordinated activation and repression of repetitive DNA elements scattered across the genome. Here we provide examples of recent novel discoveries of non-coding DNA and RNA interactions and mechanisms that ensure accurate non-coding activity during human maternal-to-zygotic transition and lineage segregation. These include studies on small and long non-coding RNAs, transposable element regulation, and RNA tailing in human oocytes and early embryos. High-throughput approaches to dissect the non-coding regulatory networks governing early human development are a foundation for functional studies of specific genomic elements and molecules that has only begun and will provide a wider understanding of early human embryogenesis and causes of infertility.
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Affiliation(s)
- Pauliina Paloviita
- Department of Obstetrics and Gynaecology, University of Helsinki, 00014 Helsinki, Finland
| | - Sanna Vuoristo
- Department of Obstetrics and Gynaecology, University of Helsinki, 00014 Helsinki, Finland.
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37
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An atypical RNA quadruplex marks RNAs as vectors for gene silencing. Nat Struct Mol Biol 2022; 29:1113-1121. [PMID: 36352138 PMCID: PMC10092862 DOI: 10.1038/s41594-022-00854-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 09/28/2022] [Indexed: 11/11/2022]
Abstract
The addition of poly(UG) ('pUG') repeats to 3' termini of mRNAs drives gene silencing and transgenerational epigenetic inheritance in the metazoan Caenorhabditis elegans. pUG tails promote silencing by recruiting an RNA-dependent RNA polymerase (RdRP) that synthesizes small interfering RNAs. Here we show that active pUG tails require a minimum of 11.5 repeats and adopt a quadruplex (G4) structure we term the pUG fold. The pUG fold differs from known G4s in that it has a left-handed backbone similar to Z-RNA, no consecutive guanosines in its sequence, and three G quartets and one U quartet stacked non-sequentially. The compact pUG fold binds six potassium ions and brings the RNA ends into close proximity. The biological importance of the pUG fold is emphasized by our observations that porphyrin molecules bind to the pUG fold and inhibit both gene silencing and binding of RdRP. Moreover, specific 7-deaza substitutions that disrupt the pUG fold neither bind RdRP nor induce RNA silencing. These data define the pUG fold as a previously unrecognized RNA structural motif that drives gene silencing. The pUG fold can also form internally within larger RNA molecules. Approximately 20,000 pUG-fold sequences are found in noncoding regions of human RNAs, suggesting that the fold probably has biological roles beyond gene silencing.
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38
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RNA modifications: importance in immune cell biology and related diseases. Signal Transduct Target Ther 2022; 7:334. [PMID: 36138023 PMCID: PMC9499983 DOI: 10.1038/s41392-022-01175-9] [Citation(s) in RCA: 84] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/23/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
RNA modifications have become hot topics recently. By influencing RNA processes, including generation, transportation, function, and metabolization, they act as critical regulators of cell biology. The immune cell abnormality in human diseases is also a research focus and progressing rapidly these years. Studies have demonstrated that RNA modifications participate in the multiple biological processes of immune cells, including development, differentiation, activation, migration, and polarization, thereby modulating the immune responses and are involved in some immune related diseases. In this review, we present existing knowledge of the biological functions and underlying mechanisms of RNA modifications, including N6-methyladenosine (m6A), 5-methylcytosine (m5C), N1-methyladenosine (m1A), N7-methylguanosine (m7G), N4-acetylcytosine (ac4C), pseudouridine (Ψ), uridylation, and adenosine-to-inosine (A-to-I) RNA editing, and summarize their critical roles in immune cell biology. Via regulating the biological processes of immune cells, RNA modifications can participate in the pathogenesis of immune related diseases, such as cancers, infection, inflammatory and autoimmune diseases. We further highlight the challenges and future directions based on the existing knowledge. All in all, this review will provide helpful knowledge as well as novel ideas for the researchers in this area.
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39
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Yang A, Bofill-De Ros X, Stanton R, Shao TJ, Villanueva P, Gu S. TENT2, TUT4, and TUT7 selectively regulate miRNA sequence and abundance. Nat Commun 2022; 13:5260. [PMID: 36071058 PMCID: PMC9452540 DOI: 10.1038/s41467-022-32969-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 08/24/2022] [Indexed: 11/25/2022] Open
Abstract
TENTs generate miRNA isoforms by 3' tailing. However, little is known about how tailing regulates miRNA function. Here, we generate isogenic HEK293T cell lines in which TENT2, TUT4 and TUT7 are knocked out individually or in combination. Together with rescue experiments, we characterize TENT-specific effects by deep sequencing, Northern blot and in vitro assays. We find that 3' tailing is not random but highly specific. In addition to its known adenylation, TENT2 contributes to guanylation and uridylation on mature miRNAs. TUT4 uridylates most miRNAs whereas TUT7 is dispensable. Removing adenylation has a marginal impact on miRNA levels. By contrast, abolishing uridylation leads to dysregulation of a set of miRNAs. Besides let-7, miR-181b and miR-222 are negatively regulated by TUT4/7 via distinct mechanisms while the miR-888 cluster is upregulated specifically by TUT7. Our results uncover the selective actions of TENTs in generating 3' isomiRs and pave the way to investigate their functions.
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Affiliation(s)
- Acong Yang
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
| | - Xavier Bofill-De Ros
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
| | - Ryan Stanton
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
| | - Tie-Juan Shao
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
- School of Basic Medicine, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Patricia Villanueva
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
| | - Shuo Gu
- RNA Mediated Gene Regulation Section; RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
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40
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Sikorski V, Vento A, Kankuri E. Emerging roles of the RNA modifications N6-methyladenosine and adenosine-to-inosine in cardiovascular diseases. MOLECULAR THERAPY - NUCLEIC ACIDS 2022; 29:426-461. [PMID: 35991314 PMCID: PMC9366019 DOI: 10.1016/j.omtn.2022.07.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cardiovascular diseases lead the mortality and morbidity disease metrics worldwide. A multitude of chemical base modifications in ribonucleic acids (RNAs) have been linked with key events of cardiovascular diseases and metabolic disorders. Named either RNA epigenetics or epitranscriptomics, the post-transcriptional RNA modifications, their regulatory pathways, components, and downstream effects substantially contribute to the ways our genetic code is interpreted. Here we review the accumulated discoveries to date regarding the roles of the two most common epitranscriptomic modifications, N6-methyl-adenosine (m6A) and adenosine-to-inosine (A-to-I) editing, in cardiovascular disease.
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Affiliation(s)
- Vilbert Sikorski
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - Antti Vento
- Heart and Lung Center, Helsinki University Hospital, 00029 Helsinki, Finland
| | - Esko Kankuri
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
- Corresponding author Esko Kankuri, M.D. Ph.D., Faculty of Medicine, Department of Pharmacology, PO Box 63 (Haartmaninkatu 8), FIN-00014 University of Helsinki, 00014 Helsinki, Finland.
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41
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Jia J, Lu W, Liu B, Fang H, Yu Y, Mo W, Zhang H, Jin X, Shu Y, Long Y, Pei Y, Zhai J. An atlas of plant full-length RNA reveals tissue-specific and monocots-dicots conserved regulation of poly(A) tail length. NATURE PLANTS 2022; 8:1118-1126. [PMID: 35982302 DOI: 10.1038/s41477-022-01224-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Poly(A) tail is a hallmark of eukaryotic messenger RNA and its length plays an essential role in regulating mRNA metabolism. However, a comprehensive resource for plant poly(A) tail length has yet to be established. Here, we applied a poly(A)-enrichment-free, nanopore-based method to profile full-length RNA with poly(A) tail information in plants. Our atlas contains over 120 million polyadenylated mRNA molecules from seven different tissues of Arabidopsis, as well as the shoot tissue of maize, soybean and rice. In most tissues, the size of plant poly(A) tails shows peaks at approximately 20 and 45 nucleotides, while the poly(A) tails in pollen exhibit a distinct pattern with strong peaks centred at 55 and 80 nucleotides. Moreover, poly(A) tail length is regulated in a gene-specific manner-mRNAs with short half-lives in general have long poly(A) tails, while mRNAs with long half-lives are featured with relatively short poly(A) tails that peak at ~45 nucleotides. Across species, poly(A) tails in the nucleus are almost twice as long as in the cytoplasm. Our comprehensive dataset lays the groundwork for future functional and evolutionary studies on poly(A) tail length regulation in plants.
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Affiliation(s)
- Jinbu Jia
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Wenqin Lu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Bo Liu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Huihui Fang
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
- School of Life Science and Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan, China
| | - Yiming Yu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Weipeng Mo
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Hong Zhang
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Xianhao Jin
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yi Shu
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yanping Long
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China
| | - Yanxi Pei
- School of Life Science and Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan, China
| | - Jixian Zhai
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China.
- Institute of Plant and Food Science, Southern University of Science and Technology, Shenzhen, China.
- Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Southern University of Science and Technology, Shenzhen, China.
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42
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Dosil SG, Lopez-Cobo S, Rodriguez-Galan A, Fernandez-Delgado I, Ramirez-Huesca M, Milan-Rois P, Castellanos M, Somoza A, Gómez MJ, Reyburn HT, Vales-Gomez M, Sánchez Madrid F, Fernandez-Messina L. Natural killer (NK) cell-derived extracellular-vesicle shuttled microRNAs control T cell responses. eLife 2022; 11:76319. [PMID: 35904241 PMCID: PMC9366747 DOI: 10.7554/elife.76319] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 07/17/2022] [Indexed: 11/13/2022] Open
Abstract
Natural killer (NK) cells recognise and kill target cells undergoing different types of stress. NK cells are also capable of modulating immune responses. In particular, they regulate T cell functions. Small RNA next-generation sequencing of resting and activated human NK cells and their secreted EVs led to the identification of a specific repertoire of NK-EV-associated microRNAs and their post-transcriptional modifications signature. Several microRNAs of NK-EVs, namely miR-10b-5p, miR-92a-3p and miR-155-5p, specifically target molecules involved in Th1 responses. NK-EVs promote the downregulation of GATA3 mRNA in CD4+ T cells and subsequent TBX21 de-repression that leads to Th1 polarization and IFN-γ and IL-2 production. NK-EVs also have an effect on monocyte and moDCs function, driving their activation and increased presentation and co-stimulatory functions. Nanoparticle-delivered NK-EV microRNAs partially recapitulate NK-EV effects in mice. Our results provide new insights on the immunomodulatory roles of NK-EVs that may help to improve their use as immunotherapeutic tools.
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Affiliation(s)
- Sara G Dosil
- Servicio de Inmunología, Universidad Autónoma de Madrid, Madrid, Spain
| | | | | | | | - Marta Ramirez-Huesca
- Vascular Pathophysiology Area, National Center for Cardiovascular Research, Madrid, Spain
| | - Paula Milan-Rois
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia) & Nanobiotecnología (IMDEA-Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología, Madrid, Spain
| | - Milagros Castellanos
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia) & Nanobiotecnología (IMDEA-Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología, Madrid, Spain
| | - Alvaro Somoza
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia) & Nanobiotecnología (IMDEA-Nanociencia), Unidad Asociada al Centro Nacional de Biotecnología, Madrid, Spain
| | - Manuel J Gómez
- Vascular Pathophysiology Area, National Center for Cardiovascular Research, Madrid, Spain
| | - Hugh T Reyburn
- Department of Immunology and Oncology, Spanish National Research Council, Madrid, Spain
| | - Mar Vales-Gomez
- Department of Immunology and Oncology, Spanish National Research Council, Madrid, Spain
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43
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Liu Y, Zhang Y, Wang J, Lu F. Transcriptome-wide measurement of poly(A) tail length and composition at subnanogram total RNA sensitivity by PAIso-seq. Nat Protoc 2022; 17:1980-2007. [PMID: 35831615 DOI: 10.1038/s41596-022-00704-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/23/2022] [Indexed: 12/14/2022]
Abstract
Poly(A) tails are added to the 3' ends of most mRNAs in a non-templated manner and play essential roles in post-transcriptional regulation, including mRNA export, stability and translation. Measuring poly(A) tails is critical for understanding their regulatory roles in almost every aspect of biological and medical studies. Previous methods for analyzing poly(A) tails require large amounts of input RNA (microgram-level total RNA), which limits their application. We recently developed a poly(A) inclusive full-length RNA isoform-sequencing method (PAIso-seq) at single-oocyte-level sensitivity (a single mammalian oocyte contains ~0.5 ng of total RNA) based on PacBio sequencing that enabled accurate measurement of the poly(A) tail length and non-A residues within the body of poly(A) tails along with the full-length cDNA, providing the opportunity to study precious in vivo samples with very limited input material. Here, we describe a detailed protocol for PAIso-seq library preparation from single mouse oocytes or bulk oocyte samples. In addition, we provide a complete bioinformatic pipeline to perform the analysis from the raw data to downstream analysis. The minimum time required is ~14.5 h for PAIso-seq double-stranded cDNA preparation, 2 d for PacBio sequencing in HiFi mode and 8 h for the initial data analysis.
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Affiliation(s)
- Yusheng Liu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China.
| | - Yiwei Zhang
- College of Life Science, Northeast Agricultural University, Harbin, China
| | - Jiaqiang Wang
- College of Life Science, Northeast Agricultural University, Harbin, China.
| | - Falong Lu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China. .,University of Chinese Academy of Sciences, Beijing, China.
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Abstract
Despite excellent vaccines, resurgent outbreaks of hepatitis A have caused thousands of hospitalizations and hundreds of deaths within the United States in recent years. There is no effective antiviral therapy for hepatitis A, and many aspects of the hepatitis A virus (HAV) replication cycle remain to be elucidated. Replication requires the zinc finger protein ZCCHC14 and noncanonical TENT4 poly(A) polymerases with which it associates, but the underlying mechanism is unknown. Here, we show that ZCCHC14 and TENT4A/B are required for viral RNA synthesis following translation of the viral genome in infected cells. Cross-linking immunoprecipitation sequencing (CLIP-seq) experiments revealed that ZCCHC14 binds a small stem-loop in the HAV 5' untranslated RNA possessing a Smaug recognition-like pentaloop to which it recruits TENT4. TENT4 polymerases lengthen and stabilize the 3' poly(A) tails of some cellular and viral mRNAs, but the chemical inhibition of TENT4A/B with the dihydroquinolizinone RG7834 had no impact on the length of the HAV 3' poly(A) tail, stability of HAV RNA, or cap-independent translation of the viral genome. By contrast, RG7834 inhibited the incorporation of 5-ethynyl uridine into nascent HAV RNA, indicating that TENT4A/B function in viral RNA synthesis. Consistent with potent in vitro antiviral activity against HAV (IC50 6.11 nM), orally administered RG7834 completely blocked HAV infection in Ifnar1-/- mice, and sharply reduced serum alanine aminotransferase activities, hepatocyte apoptosis, and intrahepatic inflammatory cell infiltrates in mice with acute hepatitis A. These results reveal requirements for ZCCHC14-TENT4A/B in hepatovirus RNA synthesis, and suggest that TENT4A/B inhibitors may be useful for preventing or treating hepatitis A in humans.
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Le MN, Le CT, Nguyen TA. Intramolecular ligation method (iLIME) for pre-miRNA quantification and sequencing. RNA (NEW YORK, N.Y.) 2022; 28:1028-1038. [PMID: 35487691 PMCID: PMC9202589 DOI: 10.1261/rna.079101.122] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/12/2022] [Indexed: 06/04/2023]
Abstract
Hairpin-containing pre-miRNAs, produced from pri-miRNAs, are precursors of miRNAs (microRNAs) that play essential roles in gene expression and various human diseases. Current qPCR-based methods used to quantify pre-miRNAs are not effective to discriminate between pre-miRNAs and their parental pri-miRNAs. Here, we developed the intramolecular ligation method (iLIME) to quantify and sequence pre-miRNAs specifically. This method utilizes T4 RNA ligase 1 to convert pre-miRNAs into circularized RNAs, allowing us to design PCR primers to quantify pre-miRNAs, but not their parental pri-miRNAs. In addition, the iLIME also enables us to sequence the ends of pre-miRNAs using next-generation sequencing. Therefore, this method offers a simple and effective way to quantify and sequence pre-miRNAs, so it will be highly beneficial for investigating pre-miRNAs when addressing research questions and medical applications.
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Affiliation(s)
- Minh Ngoc Le
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Cong Truc Le
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Tuan Anh Nguyen
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong, China
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46
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Review: RNA-based diagnostic markers discovery and therapeutic targets development in cancer. Pharmacol Ther 2022; 234:108123. [PMID: 35121000 DOI: 10.1016/j.pharmthera.2022.108123] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/19/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023]
Abstract
The present review aimed to outline different types of RNAs in cancer diagnostics and treatment, and to provide novel insights into their clinical applications. RNAs, including mRNA, long non-coding (lnc)RNA, circular (circ)RNA and micro (mi)RNA, are now increasingly utilized in the diagnosis and treatment of various cancers. Each aforementioned type of RNA possess their own unique characteristics and could be aberrantly expressed as diagnostic markers or therapeutic targets in different cancers. In addition to mRNAs, which have become a promising alternative in cancer diagnostics and therapy, the uses of lncRNA, circRNA and miRNA in predictive tumor diagnostics and therapy has rapidly increased in recent years. In the present review, the mechanisms of mRNA, lncRNA, circRNA and miRNA in regulating and participating in the development of different cancers were determined, and their potential capacity in cancer diagnostics and therapy were investigated. In addition, the present review analyzed the assoaciations between different RNAs and their subsequent potential in cancer prediction and treatment.
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47
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Qi Y, Ding L, Zhang S, Yao S, Ong J, Li Y, Wu H, Du P. A plant immune protein enables broad antitumor response by rescuing microRNA deficiency. Cell 2022; 185:1888-1904.e24. [PMID: 35623329 DOI: 10.1016/j.cell.2022.04.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 02/18/2022] [Accepted: 04/26/2022] [Indexed: 12/24/2022]
Abstract
Cancer cells are featured with uncontrollable activation of cell cycle, and microRNA deficiency drives tumorigenesis. The RNA-dependent RNA polymerase (RDR) is essential for small-RNA-mediated immune response in plants but is absent in vertebrates. Here, we show that ectopic expression of plant RDR1 can generally inhibit cancer cell proliferation. In many human primary tumors, abnormal microRNA isoforms with 1-nt-shorter 3' ends are widely accumulated. RDR1 with nucleotidyltransferase activity can recognize and modify the problematic AGO2-free microRNA duplexes with mononucleotides to restore their 2 nt overhang structure, which eventually rescues AGO2-loading efficiency and elevates global miRNA expression to inhibit cancer cell-cycle specifically. The broad antitumor effects of RDR1, which can be delivered by an adeno-associated virus, are visualized in multiple xenograft tumor models in vivo. Altogether, we reveal the widespread accumulation of aberrant microRNA isoforms in tumors and develop a plant RDR1-mediated antitumor stratagem by editing and repairing defective microRNAs.
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Affiliation(s)
- Ye Qi
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Li Ding
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China
| | - Siwen Zhang
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Shengze Yao
- The State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing 100871, China
| | - Jennie Ong
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Yi Li
- The State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing 100871, China
| | - Hong Wu
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Peng Du
- MOE Key Laboratory of Cell Proliferation and Differentiation, School of Life Sciences, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.
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48
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Nicholson-Shaw T, Lykke-Andersen J. Tailer: a pipeline for sequencing-based analysis of nonpolyadenylated RNA 3' end processing. RNA (NEW YORK, N.Y.) 2022; 28:645-656. [PMID: 35181644 PMCID: PMC9014879 DOI: 10.1261/rna.079071.121] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Post-transcriptional trimming and tailing of RNA 3' ends play key roles in the processing and quality control of noncoding RNAs (ncRNAs). However, bioinformatic tools to examine changes in the RNA 3' "tailome" are sparse and not standardized. Here we present Tailer, a bioinformatic pipeline in two parts that allows for robust quantification and analysis of tail information from next-generation sequencing experiments that preserve RNA 3' end information. The first part of Tailer, Tailer-processing, uses genome annotation or reference FASTA gene sequences to quantify RNA 3' ends from SAM-formatted alignment files or FASTQ sequence read files produced from sequencing experiments. The second part, Tailer-analysis, uses the output of Tailer-processing to identify statistically significant RNA targets of trimming and tailing and create graphs for data exploration. We apply Tailer to RNA 3' end sequencing experiments from three published studies and find that it accurately and reproducibly recapitulates key findings. Thus, Tailer should be a useful and easily accessible tool to globally investigate tailing dynamics of nonpolyadenylated RNAs and conditions that perturb them.
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Affiliation(s)
- Tim Nicholson-Shaw
- Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - Jens Lykke-Andersen
- Division of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
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49
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Shin J, Paek KY, Chikhaoui L, Jung S, Ponny S, Suzuki Y, Padmanabhan K, Richter JD. Oppositional poly(A) tail length regulation by FMRP and CPEB1. RNA (NEW YORK, N.Y.) 2022; 28:756-765. [PMID: 35217597 PMCID: PMC9014880 DOI: 10.1261/rna.079050.121] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 02/09/2022] [Indexed: 05/03/2023]
Abstract
Poly(A) tail length is regulated in both the nucleus and cytoplasm. One factor that controls polyadenylation in the cytoplasm is CPEB1, an RNA binding protein that associates with specific mRNA 3'UTR sequences to tether enzymes that add and remove poly(A). Two of these enzymes, the noncanonical poly(A) polymerases GLD2 (TENT2, PAPD4, Wispy) and GLD4 (TENT4B, PAPD5, TRF4, TUT3), interact with CPEB1 to extend poly(A). To identify additional RNA binding proteins that might anchor GLD4 to RNA, we expressed double tagged GLD4 in U87MG cells, which was used for sequential immunoprecipitation and elution followed by mass spectrometry. We identified several RNA binding proteins that coprecipitated with GLD4, among which was FMRP. To assess whether FMRP regulates polyadenylation, we performed TAIL-seq from WT and FMRP-deficient HEK293 cells. Surprisingly, loss of FMRP resulted in an overall increase in poly(A), which was also observed for several specific mRNAs. Conversely, loss of CPEB1 elicited an expected decrease in poly(A), which was examined in cultured neurons. We also examined polyadenylation in wild type (WT) and FMRP-deficient mouse brain cortex by direct RNA nanopore sequencing, which identified RNAs with both increased and decreased poly(A). Our data show that FMRP has a role in mediating poly(A) tail length, which adds to its repertoire of RNA regulation.
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Affiliation(s)
- Jihae Shin
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
| | - Ki Young Paek
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
| | - Lies Chikhaoui
- Institut de Genomique Fonctionnelle de Lyon, Univ Lyon, CNRS UMR 5242, Ecole Normale Superieure de Lyon, Universite Claude Bernard Lyon 1, F-69364 Lyon, France
| | - Suna Jung
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
| | - SitharaRaju Ponny
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
| | - Yutaka Suzuki
- University of Tokyo, Kashiwa II campus, Kashiwa-Shi 2770882, Japan
| | - Kiran Padmanabhan
- Institut de Genomique Fonctionnelle de Lyon, Univ Lyon, CNRS UMR 5242, Ecole Normale Superieure de Lyon, Universite Claude Bernard Lyon 1, F-69364 Lyon, France
| | - Joel D Richter
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA
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50
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Fang E, Liu X, Li M, Zhang Z, Song L, Zhu B, Wu X, Liu J, Zhao D, Li Y. Advances in COVID-19 mRNA vaccine development. Signal Transduct Target Ther 2022; 7:94. [PMID: 35322018 PMCID: PMC8940982 DOI: 10.1038/s41392-022-00950-y] [Citation(s) in RCA: 180] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/10/2022] [Accepted: 03/03/2022] [Indexed: 12/15/2022] Open
Abstract
To date, the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has determined 399,600,607 cases and 5,757,562 deaths worldwide. COVID-19 is a serious threat to human health globally. The World Health Organization (WHO) has declared COVID-19 pandemic a major public health emergency. Vaccination is the most effective and economical intervention for controlling the spread of epidemics, and consequently saving lives and protecting the health of the population. Various techniques have been employed in the development of COVID-19 vaccines. Among these, the COVID-19 messenger RNA (mRNA) vaccine has been drawing increasing attention owing to its great application prospects and advantages, which include short development cycle, easy industrialization, simple production process, flexibility to respond to new variants, and the capacity to induce better immune response. This review summarizes current knowledge on the structural characteristics, antigen design strategies, delivery systems, industrialization potential, quality control, latest clinical trials and real-world data of COVID-19 mRNA vaccines as well as mRNA technology. Current challenges and future directions in the development of preventive mRNA vaccines for major infectious diseases are also discussed.
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Affiliation(s)
- Enyue Fang
- National Institute for Food and Drug Control, Beijing, 102629, China
- Wuhan Institute of Biological Products, Co., Ltd., Wuhan, 430207, China
| | - Xiaohui Liu
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Miao Li
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Zelun Zhang
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Lifang Song
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Baiyu Zhu
- Texas A&M University, College Station, TX, 77843, USA
| | - Xiaohong Wu
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Jingjing Liu
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Danhua Zhao
- National Institute for Food and Drug Control, Beijing, 102629, China
| | - Yuhua Li
- National Institute for Food and Drug Control, Beijing, 102629, China.
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