1
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Inamo J, Suzuki A, Ueda MT, Yamaguchi K, Nishida H, Suzuki K, Kaneko Y, Takeuchi T, Hatano H, Ishigaki K, Ishihama Y, Yamamoto K, Kochi Y. Long-read sequencing for 29 immune cell subsets reveals disease-linked isoforms. Nat Commun 2024; 15:4285. [PMID: 38806455 PMCID: PMC11133395 DOI: 10.1038/s41467-024-48615-4] [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: 12/04/2022] [Accepted: 05/02/2024] [Indexed: 05/30/2024] Open
Abstract
Alternative splicing events are a major causal mechanism for complex traits, but they have been understudied due to the limitation of short-read sequencing. Here, we generate a full-length isoform annotation of human immune cells from an individual by long-read sequencing for 29 cell subsets. This contains a number of unannotated transcripts and isoforms such as a read-through transcript of TOMM40-APOE in the Alzheimer's disease locus. We profile characteristics of isoforms and show that repetitive elements significantly explain the diversity of unannotated isoforms, providing insight into the human genome evolution. In addition, some of the isoforms are expressed in a cell-type specific manner, whose alternative 3'-UTRs usage contributes to their specificity. Further, we identify disease-associated isoforms by isoform switch analysis and by integration of several quantitative trait loci analyses with genome-wide association study data. Our findings will promote the elucidation of the mechanism of complex diseases via alternative splicing.
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Affiliation(s)
- Jun Inamo
- Department of Genomic Function and Diversity, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, 113-8510, Japan
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Akari Suzuki
- Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Mahoko Takahashi Ueda
- Department of Genomic Function and Diversity, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, 113-8510, Japan
| | - Kensuke Yamaguchi
- Department of Genomic Function and Diversity, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, 113-8510, Japan
- Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
- Biomedical Engineering Research Innovation Center, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Tokyo, 113-8510, Japan
| | - Hiroshi Nishida
- Department of Molecular Systems Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Yuko Kaneko
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Saitama Medical University, 38 Morohongo, Moroyama, Iruma, Saitama, 350-0495, Japan
| | - Hiroaki Hatano
- Laboratory for Human Immunogenetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Kazuyoshi Ishigaki
- Laboratory for Human Immunogenetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Yasushi Ishihama
- Department of Molecular Systems Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
- Laboratory of Proteomics for Drug Discovery, National Institute of Biomedical Innovation, Health and Nutrition, Ibaraki, Osaka, 567-0085, Japan
| | - Kazuhiko Yamamoto
- Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan
| | - Yuta Kochi
- Department of Genomic Function and Diversity, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, 113-8510, Japan.
- Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, 230-0045, Japan.
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2
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Huang ME, Qin Y, Shang Y, Hao Q, Zhan C, Lian C, Luo S, Liu LD, Zhang S, Zhang Y, Wo Y, Li N, Wu S, Gui T, Wang B, Luo Y, Cai Y, Liu X, Xu Z, Dai P, Li S, Zhang L, Dong J, Wang J, Zheng X, Xu Y, Sun Y, Wu W, Yeap LS, Meng FL. C-to-G editing generates double-strand breaks causing deletion, transversion and translocation. Nat Cell Biol 2024; 26:294-304. [PMID: 38263276 DOI: 10.1038/s41556-023-01342-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 12/19/2023] [Indexed: 01/25/2024]
Abstract
Base editors (BEs) introduce base substitutions without double-strand DNA cleavage. Besides precise substitutions, BEs generate low-frequency 'stochastic' byproducts through unclear mechanisms. Here, we performed in-depth outcome profiling and genetic dissection, revealing that C-to-G BEs (CGBEs) generate substantial amounts of intermediate double-strand breaks (DSBs), which are at the centre of several byproducts. Imperfect DSB end-joining leads to small deletions via end-resection, templated insertions or aberrant transversions during end fill-in. Chromosomal translocations were detected between the editing target and off-targets of Cas9/deaminase origin. Genetic screenings of DNA repair factors disclosed a central role of abasic site processing in DSB formation. Shielding of abasic sites by the suicide enzyme HMCES reduced CGBE-initiated DSBs, providing an effective way to minimize DSB-triggered events without affecting substitutions. This work demonstrates that CGBEs can initiate deleterious intermediate DSBs and therefore require careful consideration for therapeutic applications, and that HMCES-aided CGBEs hold promise as safer tools.
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Affiliation(s)
- Min Emma Huang
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Yining Qin
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Yafang Shang
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Qian Hao
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Endocrinology and Metabolic Diseases, Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chuanzong Zhan
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Endocrinology and Metabolic Diseases, Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chaoyang Lian
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Simin Luo
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liu Daisy Liu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Senxin Zhang
- Department of Mathematics, Shanghai Normal University, Shanghai, China
| | - Yu Zhang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang Wo
- Departments of Thoracic Surgery and State Key Laboratory of Genetic Engineering, Fudan University Shanghai Cancer Center, Institute of Thoracic Oncology, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Niu Li
- Department of Medical Genetics and Molecular Diagnostic Laboratory, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuheng Wu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Tuantuan Gui
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Binbin Wang
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yifeng Luo
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Yanni Cai
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Xiaojing Liu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Ziye Xu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Pengfei Dai
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Simiao Li
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Liang Zhang
- Hefei National Research Center for Cross Disciplinary Science, Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Junchao Dong
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jian Wang
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoqi Zheng
- Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yingjie Xu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yihua Sun
- Departments of Thoracic Surgery and State Key Laboratory of Genetic Engineering, Fudan University Shanghai Cancer Center, Institute of Thoracic Oncology, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wei Wu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China
| | - Leng-Siew Yeap
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Department of Endocrinology and Metabolic Diseases, Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Fei-Long Meng
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of Sciences, Shanghai, China.
- Shanghai Sci-Tech Inno Center for Infection & Immunity, Shanghai, China.
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3
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Awad S, Skipper W, Vostrejs W, Ozorowski K, Min K, Pfuhler L, Mehta D, Cooke A. The YBX3 RNA-binding protein posttranscriptionally controls SLC1A5 mRNA in proliferating and differentiating skeletal muscle cells. J Biol Chem 2024; 300:105602. [PMID: 38159852 PMCID: PMC10837625 DOI: 10.1016/j.jbc.2023.105602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 11/22/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024] Open
Abstract
In humans, skeletal muscles comprise nearly 40% of total body mass, which is maintained throughout adulthood by a balance of muscle protein synthesis and breakdown. Cellular amino acid (AA) levels are critical for these processes, and mammalian cells contain transporter proteins that import AAs to maintain homeostasis. Until recently, the control of transporter regulation has largely been studied at the transcriptional and posttranslational levels. However, here, we report that the RNA-binding protein YBX3 is critical to sustain intracellular AAs in mouse skeletal muscle cells, which aligns with our recent findings in human cells. We find that YBX3 directly binds the solute carrier (SLC)1A5 AA transporter messenger (m)RNA to posttranscriptionally control SLC1A5 expression during skeletal muscle cell differentiation. YBX3 regulation of SLC1A5 requires the 3' UTR. Additionally, intracellular AAs transported by SLC1A5, either directly or indirectly through coupling to other transporters, are specifically reduced when YBX3 is depleted. Further, we find that reduction of the YBX3 protein reduces proliferation and impairs differentiation in skeletal muscle cells, and that YBX3 and SLC1A5 protein expression increase substantially during skeletal muscle differentiation, independently of their respective mRNA levels. Taken together, our findings suggest that YBX3 regulates AA transport in skeletal muscle cells, and that its expression is critical to maintain skeletal muscle cell proliferation and differentiation.
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Affiliation(s)
- Silina Awad
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | - William Skipper
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | - William Vostrejs
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | | | - Kristen Min
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | - Liva Pfuhler
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | - Darshan Mehta
- Biology Department, Haverford College, Haverford, Pennsylvania, USA
| | - Amy Cooke
- Biology Department, Haverford College, Haverford, Pennsylvania, USA.
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4
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Eliseeva IA, Buyan AI, Smolin EA, Kaliadzenka KS, Popov S, Kulakovskiy IV, Lyabin DN. Y-Box-Binding Proteins Have a Dual Impact on Cellular Translation. Int J Mol Sci 2024; 25:1736. [PMID: 38339016 PMCID: PMC10855678 DOI: 10.3390/ijms25031736] [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: 12/19/2023] [Revised: 01/24/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
Y-box-binding proteins (YB proteins) are multifunctional DNA- and RNA-binding proteins that play an important role in the regulation of gene expression. The high homology of their cold shock domains and the similarity between their long, unstructured C-terminal domains suggest that Y-box-binding proteins may have similar functions in a cell. Here, we consider the functional interchangeability of the somatic YB proteins YB-1 and YB-3. RNA-seq and Ribo-seq are used to track changes in the mRNA abundance or mRNA translation in HEK293T cells solely expressing YB-1, YB-3, or neither of them. We show that YB proteins have a dual effect on translation. Although the expression of YB proteins stimulates global translation, YB-1 and YB-3 inhibit the translation of their direct CLIP-identified mRNA targets. The impact of YB-1 and YB-3 on the translation of their mRNA targets is similar, which suggests that they can substitute each other in inhibiting the translation of their mRNA targets in HEK293T cells.
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Affiliation(s)
- Irina A. Eliseeva
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
| | - Andrey I. Buyan
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
| | - Egor A. Smolin
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
| | - Karina S. Kaliadzenka
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
| | - Sergey Popov
- Endocrinology Research Center, Moscow 117036, Russia;
| | - Ivan V. Kulakovskiy
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
| | - Dmitry N. Lyabin
- Institute of Protein Research, Russian Academy of Sciences, Pushchino 142290, Russia; (I.A.E.); (A.I.B.); (E.A.S.); (K.S.K.); (I.V.K.)
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5
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Khozooei S, Veerappan S, Toulany M. YB-1 activating cascades as potential targets in KRAS-mutated tumors. Strahlenther Onkol 2023; 199:1110-1127. [PMID: 37268766 DOI: 10.1007/s00066-023-02092-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 04/23/2023] [Indexed: 06/04/2023]
Abstract
Y‑box binding protein‑1 (YB-1) is a multifunctional protein that is highly expressed in human solid tumors of various entities. Several cellular processes, e.g. cell cycle progression, cancer stemness and DNA damage signaling that are involved in the response to chemoradiotherapy (CRT) are tightly governed by YB‑1. KRAS gene with about 30% mutations in all cancers, is considered the most commonly mutated oncogene in human cancers. Accumulating evidence indicates that oncogenic KRAS mediates CRT resistance. AKT and p90 ribosomal S6 kinase are downstream of KRAS and are the major kinases that stimulate YB‑1 phosphorylation. Thus, there is a close link between the KRAS mutation status and YB‑1 activity. In this review paper, we highlight the importance of the KRAS/YB‑1 cascade in the response of KRAS-mutated solid tumors to CRT. Likewise, the opportunities to interfere with this pathway to improve CRT outcome are discussed in light of the current literature.
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Affiliation(s)
- Shayan Khozooei
- Division of Radiobiology and Molecular Environmental Research, Department of Radiation Oncology, University of Tuebingen, Tuebingen, Germany
| | - Soundaram Veerappan
- Division of Radiobiology and Molecular Environmental Research, Department of Radiation Oncology, University of Tuebingen, Tuebingen, Germany
| | - Mahmoud Toulany
- Division of Radiobiology and Molecular Environmental Research, Department of Radiation Oncology, University of Tuebingen, Tuebingen, Germany.
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6
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Seo KW, Kleiner RE. Profiling dynamic RNA-protein interactions using small-molecule-induced RNA editing. Nat Chem Biol 2023; 19:1361-1371. [PMID: 37349582 PMCID: PMC11048738 DOI: 10.1038/s41589-023-01372-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 05/26/2023] [Indexed: 06/24/2023]
Abstract
RNA-binding proteins (RBPs) play an important role in biology, and characterizing dynamic RNA-protein interactions is essential for understanding RBP function. In this study, we developed targets of RBPs identified by editing induced through dimerization (TRIBE-ID), a facile strategy for quantifying state-specific RNA-protein interactions upon rapamycin-mediated chemically induced dimerization and RNA editing. We performed TRIBE-ID with G3BP1 and YBX1 to study RNA-protein interactions during normal conditions and upon oxidative stress-induced biomolecular condensate formation. We quantified editing kinetics to infer interaction persistence and show that stress granule formation strengthens pre-existing RNA-protein interactions and induces new RNA-protein binding events. Furthermore, we demonstrate that G3BP1 stabilizes its targets under normal and oxidative stress conditions independent of stress granule formation. Finally, we apply our method to characterize small-molecule modulators of G3BP1-RNA binding. Taken together, our work provides a general approach to profile dynamic RNA-protein interactions in cellular contexts with temporal control.
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Affiliation(s)
- Kyung W Seo
- Department of Chemistry, Princeton University, Princeton, NJ, USA
| | - Ralph E Kleiner
- Department of Chemistry, Princeton University, Princeton, NJ, USA.
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7
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Xie Y, Wang Q, Yang Y, Near D, Wang H, Colon M, Nguyen C, Slattery C, Keepers B, Farber G, Wang TW, Lee SH, Shih YYI, Liu J, Qian L. Translational landscape of direct cardiac reprogramming reveals a role of Ybx1 in repressing cardiac fate acquisition. NATURE CARDIOVASCULAR RESEARCH 2023; 2:1060-1077. [PMID: 38524149 PMCID: PMC10959502 DOI: 10.1038/s44161-023-00344-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 09/06/2023] [Indexed: 03/26/2024]
Abstract
Direct reprogramming of fibroblasts into induced cardiomyocytes holds great promise for heart regeneration. Although considerable progress has been made in understanding the transcriptional and epigenetic mechanisms of iCM reprogramming, its translational regulation remains largely unexplored. Here, we characterized the translational landscape of iCM reprogramming through integrative ribosome and transcriptomic profiling, and found extensive translatome repatterning during this process. Loss of function screening for translational regulators uncovered Ybx1 as a critical barrier to iCM induction. In a mouse model of myocardial infarction, removing Ybx1 enhanced in vivo reprogramming, resulting in improved heart function and reduced scar size. Mechanistically, Ybx1 depletion de-repressed the translation of its direct targets SRF and Baf60c, both of which mediated the effect of Ybx1 depletion on iCM generation. Furthermore, removal of Ybx1 allowed single factor Tbx5-mediated iCM conversion. In summary, this study revealed a new layer of regulatory mechanism that controls cardiac reprogramming at the translational level.
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Affiliation(s)
- Yifang Xie
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Qiaozi Wang
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Yuchen Yang
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - David Near
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Haofei Wang
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Marazzano Colon
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Christopher Nguyen
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Conor Slattery
- EIRNA Bio Ltd, BioInnovation Centre, Food Science and Technology Building, College Road, Cork, Ireland, T12 DP07
| | - Benjamin Keepers
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599
| | - Gregory Farber
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
| | - Tzu-Wen Wang
- Departments of Neurology, University of North Carolina, Chapel Hill, NC 27599
| | - Sung-Ho Lee
- Departments of Neurology, University of North Carolina, Chapel Hill, NC 27599
| | - Yen-Yu Ian Shih
- Departments of Neurology, University of North Carolina, Chapel Hill, NC 27599
| | - Jiandong Liu
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599
| | - Li Qian
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599
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8
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Lindquist JA, Bernhardt A, Reichardt C, Sauter E, Brandt S, Rana R, Lindenmeyer MT, Philipsen L, Isermann B, Zhu C, Mertens PR. Cold Shock Domain Protein DbpA Orchestrates Tubular Cell Damage and Interstitial Fibrosis in Inflammatory Kidney Disease. Cells 2023; 12:1426. [PMID: 37408260 DOI: 10.3390/cells12101426] [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: 04/14/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 07/07/2023] Open
Abstract
DNA-binding protein A (DbpA) belongs to the Y-box family of cold shock domain proteins that exert transcriptional and translational activities in the cell via their ability to bind and regulate mRNA. To investigate the role of DbpA in kidney disease, we utilized the murine unilateral ureter obstruction (UUO) model, which recapitulates many features of obstructive nephropathy seen in humans. We observed that DbpA protein expression is induced within the renal interstitium following disease induction. Compared with wild-type animals, obstructed kidneys from Ybx3-deficient mice are protected from tissue injury, with a significant reduction in the number of infiltrating immune cells as well as in extracellular matrix deposition. RNAseq data from UUO kidneys show that Ybx3 is expressed by activated fibroblasts, which reside within the renal interstitium. Our data support a role for DbpA in orchestrating renal fibrosis and suggest that strategies targeting DbpA may be a therapeutic option to slow disease progression.
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Affiliation(s)
- Jonathan A Lindquist
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
| | - Anja Bernhardt
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
| | - Charlotte Reichardt
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
| | - Eva Sauter
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
| | - Sabine Brandt
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
| | - Rajiv Rana
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University Hospital Leipzig, Leipzig University, 04103 Leipzig, Germany
| | - Maja T Lindenmeyer
- Department of Medicine, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
- Hamburg Center for Kidney Health (HCKH), University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Lars Philipsen
- Institute of Molecular and Clinical Immunology, Otto-von-Guericke-University, 39120 Magdeburg, Germany
| | - Berend Isermann
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University Hospital Leipzig, Leipzig University, 04103 Leipzig, Germany
| | - Cheng Zhu
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
- Department of Nephrology, Sir Run Run Shaw Hospital, Zhejiang University, School of Medicine, Hangzhou 310058, China
| | - Peter R Mertens
- Department of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
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9
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Smith MR, Costa G. RNA-binding proteins and translation control in angiogenesis. FEBS J 2022; 289:7788-7809. [PMID: 34796614 DOI: 10.1111/febs.16286] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 10/17/2021] [Accepted: 11/17/2021] [Indexed: 01/14/2023]
Abstract
Tissue vascularization through the process of angiogenesis ensures adequate oxygen and nutrient supply during development and regeneration. The complex morphogenetic events involved in new blood vessel formation are orchestrated by a tightly regulated crosstalk between extra and intracellular factors. In this context, RNA-binding protein (RBP) activity and protein translation play fundamental roles during the cellular responses triggered by particular environmental cues. A solid body of work has demonstrated that key RBPs (such as HuR, TIS11 proteins, hnRNPs, NF90, QKIs and YB1) are implicated in both physiological and pathological angiogenesis. These RBPs are critical for the metabolism of messenger (m)RNAs encoding angiogenic modulators and, importantly, strong evidence suggests that RBP-mRNA interactions can be altered in disease. Lesser known, but not less important, the mechanistic aspects of protein synthesis can also regulate the generation of new vessels. In this review, we outline the key findings demonstrating the implications of RBP-mediated RNA regulation and translation control in angiogenesis. Furthermore, we highlight how these mechanisms of post-transcriptional control of gene expression have led to promising therapeutic strategies aimed at targeting undesired blood vessel formation.
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Affiliation(s)
- Madeleine R Smith
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast, UK
| | - Guilherme Costa
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast, UK
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10
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RNA-Binding Proteins in the Regulation of Adipogenesis and Adipose Function. Cells 2022; 11:cells11152357. [PMID: 35954201 PMCID: PMC9367552 DOI: 10.3390/cells11152357] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 01/27/2023] Open
Abstract
The obesity epidemic represents a critical public health issue worldwide, as it is a vital risk factor for many diseases, including type 2 diabetes (T2D) and cardiovascular disease. Obesity is a complex disease involving excessive fat accumulation. Proper adipose tissue accumulation and function are highly transcriptional and regulated by many genes. Recent studies have discovered that post-transcriptional regulation, mainly mediated by RNA-binding proteins (RBPs), also plays a crucial role. In the lifetime of RNA, it is bound by various RBPs that determine every step of RNA metabolism, from RNA processing to alternative splicing, nucleus export, rate of translation, and finally decay. In humans, it is predicted that RBPs account for more than 10% of proteins based on the presence of RNA-binding domains. However, only very few RBPs have been studied in adipose tissue. The primary aim of this paper is to provide an overview of RBPs in adipogenesis and adipose function. Specifically, the following best-characterized RBPs will be discussed, including HuR, PSPC1, Sam68, RBM4, Ybx1, Ybx2, IGF2BP2, and KSRP. Characterization of these proteins will increase our understanding of the regulatory mechanisms of RBPs in adipogenesis and provide clues for the etiology and pathology of adipose-tissue-related diseases.
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11
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Jiang D, Qiu T, Peng J, Li S, Tala, Ren W, Yang C, Wen Y, Chen CH, Sun J, Wu Y, Liu R, Zhou J, Wu K, Liu W, Mao X, Zhou Z, Chen C. YB-1 is a positive regulator of KLF5 transcription factor in basal-like breast cancer. Cell Death Differ 2022; 29:1283-1295. [PMID: 35022570 PMCID: PMC9177637 DOI: 10.1038/s41418-021-00920-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 12/25/2022] Open
Abstract
Y-box binding protein 1 (YB-1) is a well-known oncogene highly expressed in various cancers, including basal-like breast cancer (BLBC). Beyond its role as a transcription factor, YB-1 is newly defined as an epigenetic regulator involving RNA 5-methylcytosine. However, its specific targets and pro-cancer functions are poorly defined. Here, based on clinical database, we demonstrate a positive correlation between Kruppel-like factor 5 (KLF5) and YB-1 expression in breast cancer patients, but a negative correlation with that of Dachshund homolog 1 (DACH1). Mechanistically, YB-1 enhances KLF5 expression not only through transcriptional activation that can be inhibited by DACH1, but also by stabilizing KLF5 mRNA in a RNA 5-methylcytosine modification-dependent manner. Additionally, ribosomal S6 kinase 2 (RSK2) mediated YB-1 phosphorylation at Ser102 promotes YB-1/KLF5 transcriptional complex formation, which co-regulates the expression of BLBC specific genes, Keratin 16 (KRT16) and lymphocyte antigen 6 family member D (Ly6D), to promote cancer cell proliferation. The RSK inhibitor, LJH685, suppressed BLBC cell tumourigenesis in vivo by disturbing YB-1-KLF5 axis. Our data suggest that YB-1 positively regulates KLF5 at multiple levels to promote BLBC progression. The novel RSK2-YB-1-KLF5-KRT16/Ly6D axis provides candidate diagnostic markers and therapeutic targets for BLBC.
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Affiliation(s)
- Dewei Jiang
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China ,grid.410726.60000 0004 1797 8419Kunming College of Lifesciences, University of Chinese Academy Sciences, Kunming, China
| | - Ting Qiu
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China ,grid.410726.60000 0004 1797 8419Kunming College of Lifesciences, University of Chinese Academy Sciences, Kunming, China
| | - Junjiang Peng
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Siyuan Li
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Tala
- grid.216938.70000 0000 9878 7032State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, China
| | - Wenlong Ren
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China ,grid.59053.3a0000000121679639College of Life Sciences, China University of Science and Technology, Hefei, Anhui China
| | - Chuanyu Yang
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Yi Wen
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Chuan-Huizi Chen
- grid.440773.30000 0000 9342 2456School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, China
| | - Jian Sun
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China ,grid.410726.60000 0004 1797 8419Kunming College of Lifesciences, University of Chinese Academy Sciences, Kunming, China
| | - Yingying Wu
- grid.285847.40000 0000 9588 0960The First Affiliated Hospital, Kunming Medical University, Kunming, China
| | - Rong Liu
- grid.11135.370000 0001 2256 9319The First Affiliated Hospital, Peking University, Beijing, China
| | - Jun Zhou
- grid.216938.70000 0000 9878 7032State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, China
| | - Kongming Wu
- grid.412793.a0000 0004 1799 5032Department of Oncology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Wen Liu
- grid.12955.3a0000 0001 2264 7233School of Pharmaceutical Science, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen, China
| | - Xiaoyun Mao
- Department of Breast Surgery, The First Affiliated Hospital of China Medical University, Shenyang, China.
| | - Zhongmei Zhou
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.
| | - Ceshi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China. .,Kunming College of Lifesciences, University of Chinese Academy Sciences, Kunming, China. .,KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.
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12
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Smolin EA, Buyan AI, Lyabin DN, Kulakovskiy IV, Eliseeva IA. RNA-Seq data of ALKBH5 and FTO double knockout HEK293T human cells. Data Brief 2022; 42:108187. [PMID: 35516002 PMCID: PMC9062317 DOI: 10.1016/j.dib.2022.108187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 11/25/2022] Open
Abstract
N6-methyladenosine (m6A) is the most abundant, highly dynamic mRNA modification that regulates mRNA splicing, stability, and translation. The m6A epigenetic mark is erased by RNA demethylases ALKBH5 (AlkB Homolog 5) and FTO (Fat mass and obesity-associated protein). The ALKBH5 and FTO RNA demethylases recognize m6A in similar nucleotide contexts. Therefore, these proteins can partially substitute for each other. To assess the impact of total m6A demethylation failure we performed high-throughput sequencing of cytoplasmic RNA from ALKBH5 and FTO double knockout and wild type HEK293T cells. The RNA-Seq libraries were sequenced on Illumina NextSeq 500, trimmed, and mapped to the human genome. The consequent read counting and differential expression analysis in the R environment detected 5871 differentially expressed and 166 alternatively spliced genes comparing double knockout against wild type HEK293T cells. Raw data are deposited in NCBI Gene Expression Omnibus (GEO) repository under GEO accession GSE198050.
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13
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Shu Z, Wang L, Wang J, Zhang L, Hou X, Yan H, Wang L. Integrative Analysis of Nanopore and Illumina Sequencing Reveals Alternative Splicing Complexity in Pig Longissimus Dorsi Muscle. Front Genet 2022; 13:877646. [PMID: 35480309 PMCID: PMC9035893 DOI: 10.3389/fgene.2022.877646] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
Alternative splicing (AS) is a key step in the post-transcriptional regulation of gene expression that can affect intramuscular fat (IMF). In this study, longissimus dorsi muscles from 30 pigs in high- and low- IMF groups were used to perform Oxford Nanopore Technologies (ONT) full-length sequencing and Illumina strand-specific RNA-seq. A total of 43,688 full-length transcripts were identified, with 4,322 novel genes and 30,795 novel transcripts. Using AStalavista, a total of 14,728 AS events were detected in the longissimus dorsi muscle. About 17.79% of the genes produced splicing isoforms, in which exon skipping was the most frequent AS event. By analyzing the expression differences of mRNAs and splicing isoforms, we found that differentially expressed mRNAs with splicing isoforms could participate in skeletal muscle development and fatty acid metabolism, which might determine muscle-related traits. SERBP1, MYL1, TNNT3, and TNNT1 were identified with multiple splicing isoforms, with significant differences in expression. AS events occurring in IFI6 and GADD45G may cause significant differences in gene expression. Other AS events, such as ONT.15153.3, may regulate the function of ART1 by regulating the expression of different transcripts. Moreover, co-expression and protein-protein interaction (PPI) analysis indicated that several genes (MRPL27, AAR2, PYGM, PSMD4, SCNM1, and HNRNPDL) may be related to intramuscular fat. The splicing isoforms investigated in our research provide a reference for the study of alternative splicing regulation of intramuscular fat deposition.
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14
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Gao W, Chen L, Lin L, Yang M, Li T, Wei H, Sha C, Xing J, Zhang M, Zhao S, Chen Q, Xu W, Li Y, Zhu X. SIAH1 reverses chemoresistance in epithelial ovarian cancer via ubiquitination of YBX-1. Oncogenesis 2022; 11:13. [PMID: 35273154 PMCID: PMC8913663 DOI: 10.1038/s41389-022-00387-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 01/20/2023] Open
Abstract
Chemoresistance is a severe outcome among patients with epithelial ovarian cancer (EOC) that leads to a poor prognosis. YBX-1 has been shown to cause treatment failure and cancer progression in EOC. However, strategies that directly target YBX-1 are not yet conceivable. Here, we identified that SIAH1 which was downregulated in chemoresistant EOC samples and cell lines functioned as novel E3 ligases to trigger degradation of YBX-1 at cytoplasm by RING finger domain. Mechanistic studies show that YBX-1 was ubiquitinated by SIAH1 at lys304 that lead to the instability of its target m5C-modified mRNAs, thus sensitized EOC cells to cDDP. Overexpression of SIAH1 enhanced the antitumor efficacy of cisplatin in vitro and in vivo, which were partially impaired by ectopic expression of YBX-1 or depletion of YBX-1 ubiquitination. In summary, our data identify the SIAH1/YBX-1 interaction as a therapeutic target for overcoming EOC chemoresistance.
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Affiliation(s)
- Wujiang Gao
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Lu Chen
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Li Lin
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Meiling Yang
- The first people's hospital of Nantong, Nantong, China
| | - Taoqiong Li
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Hong Wei
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Chunli Sha
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jie Xing
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Mengxue Zhang
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Shijie Zhao
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Qi Chen
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wenlin Xu
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yuefeng Li
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xiaolan Zhu
- Reproductive Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China. .,Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.
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15
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Hamon L, Budkina K, Pastré D. YB-1 Structure/Function Relationship in the Packaging of mRNPs and Consequences for Translation Regulation and Stress Granule Assembly in Cells. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:S20-S93. [PMID: 35501984 DOI: 10.1134/s0006297922140036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 06/14/2023]
Abstract
From their synthesis in the nucleus to their degradation in the cytoplasm, all mRNAs have the same objective, which is to translate the DNA-stored genetic information into functional proteins at the proper time and location. To this end, many proteins are generally associated with mRNAs as soon as transcription takes place in the nucleus to organize spatiotemporal regulation of the gene expression in cells. Here we reviewed how YB-1 (YBX1 gene), one of the major mRNA-binding proteins in the cytoplasm, packaged mRNAs into either compact or extended linear nucleoprotein mRNPs. Interestingly the structural plasticity of mRNPs coordinated by YB-1 could provide means for the contextual regulation of mRNA translation. Posttranslational modification of YB-1, notably in the long unstructured YB-1 C-terminal domain (CTD), and/or the protein partners of YB-1 may play a key role in activation/inactivation of mRNPs in the cells notably in response to cellular stress.
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Affiliation(s)
- Loïc Hamon
- SABNP, UnivEvry, INSERM U1204, Université Paris-Saclay, Evry, 91025, France.
| | - Karina Budkina
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - David Pastré
- SABNP, UnivEvry, INSERM U1204, Université Paris-Saclay, Evry, 91025, France.
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16
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Eliseeva IA, Sogorina EM, Smolin EA, Kulakovskiy IV, Lyabin DN. Diverse Regulation of YB-1 and YB-3 Abundance in Mammals. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:S48-S167. [PMID: 35501986 DOI: 10.1134/s000629792214005x] [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: 08/31/2021] [Revised: 09/13/2021] [Accepted: 09/17/2021] [Indexed: 06/14/2023]
Abstract
YB proteins are DNA/RNA binding proteins, members of the family of proteins with cold shock domain. Role of YB proteins in the life of cells, tissues, and whole organisms is extremely important. They are involved in transcription regulation, pre-mRNA splicing, mRNA translation and stability, mRNA packaging into mRNPs, including stress granules, DNA repair, and many other cellular events. Many processes, from embryonic development to aging, depend on when and how much of these proteins have been synthesized. Here we discuss regulation of the levels of YB-1 and, in part, of its homologs in the cell. Because the amount of YB-1 is immediately associated with its functioning, understanding the mechanisms of regulation of the protein amount invariably reveals the events where YB-1 is involved. Control over the YB-1 abundance may allow using this gene/protein as a therapeutic target in cancers, where an increased expression of the YBX1 gene often correlates with the disease severity and poor prognosis.
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Affiliation(s)
- Irina A Eliseeva
- Institute of Protein Research, Pushchino, Moscow Region, 142290, Russia.
| | | | - Egor A Smolin
- Institute of Protein Research, Pushchino, Moscow Region, 142290, Russia.
| | - Ivan V Kulakovskiy
- Institute of Protein Research, Pushchino, Moscow Region, 142290, Russia.
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Moscow, 119991, Russia
| | - Dmitry N Lyabin
- Institute of Protein Research, Pushchino, Moscow Region, 142290, Russia.
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17
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Evdokimova V. Y-box Binding Protein 1: Looking Back to the Future. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:S5-S145. [PMID: 35501983 DOI: 10.1134/s0006297922140024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 06/14/2023]
Abstract
Y-box binding protein 1 is a member of the cold shock domain (CSD) protein family and one of the most studied proteins associated with a large number of human diseases. This review aims to critically reassess the growing number of pathological functions ascribed to YB-1 in the past decades. The focus is given on the important role of YB-1 and related CSD proteins in the physiology of normal cells. The functional significance of these proteins is highlighted by their high evolutionary conservation from bacteria to men, where they are ubiquitously expressed and involved in coordinating all steps of mRNA biogenesis, including transcription, translation, storage, and degradation. Their activities are especially important under conditions requiring rapid change in the gene expression programs, such as early embryonic development, differentiation, stress, and adaptation to new environments. Therefore, to define a precise role of YB-1 in tumorigenic transformation and in other pathological conditions, it is important to understand its basic properties and functions in normal cells, and how they are interrupted in complex diseases including cancer.
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18
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Lyabin DN, Serebrova EV. In Memory of Lev Ovchinnikov. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:S1-S191. [PMID: 35501982 DOI: 10.1134/s0006297922140012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 06/14/2023]
Abstract
Lev Ovchinnikov was a true man of Science. Until the end of his life, he retained not only loyalty to strict scientific principles, but also a benevolent attitude towards the people around him. He devoted his scientific career to the study of mRNP and regulation of protein biosynthesis. He created a unique scientific school that received international recognition.
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Affiliation(s)
- Dmitry N Lyabin
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Eugenia V Serebrova
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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19
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Kretov DA. Role of Y-Box Binding Proteins in Ontogenesis. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:S71-S74. [PMID: 35501987 DOI: 10.1134/s0006297922140061] [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: 09/16/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 06/14/2023]
Abstract
Y-box binding proteins (YB proteins) are multifunctional DNA/RNA-binding proteins capable of regulating gene expression at multiple levels. At present, the most studied function of these proteins is the regulation of protein synthesis. Special attention in this review has been paid to the role of YB proteins in the control of mRNA translation and stability at the earliest stages of organism formation, from fertilization to gastrulation. Furthermore, the functions of YB proteins in the formation of germ cells, in which they accumulate in large amounts, are summarized. The review then discusses the contribution of YB proteins to the regulation of gene expression during the differentiation of various types of somatic cells. Finally, future directions in the study of YB proteins and their role in ontogenesis are considered.
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Affiliation(s)
- Dmitry A Kretov
- Department of Biochemistry, School of Medicine, Boston University, Boston, USA, 02218.
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20
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Single-cell analysis identifies dynamic gene expression networks that govern B cell development and transformation. Nat Commun 2021; 12:6843. [PMID: 34824268 PMCID: PMC8617197 DOI: 10.1038/s41467-021-27232-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 11/02/2021] [Indexed: 12/22/2022] Open
Abstract
Integration of external signals and B-lymphoid transcription factor activities organise B cell lineage commitment through alternating cycles of proliferation and differentiation, producing a diverse repertoire of mature B cells. We use single-cell transcriptomics/proteomics to identify differentially expressed gene networks across B cell development and correlate these networks with subtypes of B cell leukemia. Here we show unique transcriptional signatures that refine the pre-B cell expansion stages into pre-BCR-dependent and pre-BCR-independent proliferative phases. These changes correlate with reciprocal changes in expression of the transcription factor EBF1 and the RNA binding protein YBX3, that are defining features of the pre-BCR-dependent stage. Using pseudotime analysis, we further characterize the expression kinetics of different biological modalities across B cell development, including transcription factors, cytokines, chemokines, and their associated receptors. Our findings demonstrate the underlying heterogeneity of developing B cells and characterise developmental nodes linked to B cell transformation.
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21
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Bernhardt A, Häberer S, Xu J, Damerau H, Steffen J, Reichardt C, Wolters K, Steffen H, Isermann B, Borucki K, Artelt N, Endlich N, Kozyraki R, Brandt S, Lindquist JA, Mertens PR. High salt diet-induced proximal tubular phenotypic changes and sodium-glucose cotransporter-2 expression are coordinated by cold shock Y-box binding protein-1. FASEB J 2021; 35:e21912. [PMID: 34533842 DOI: 10.1096/fj.202100667rr] [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: 04/23/2021] [Revised: 07/06/2021] [Accepted: 08/25/2021] [Indexed: 11/11/2022]
Abstract
High salt diet (HSD) is a hallmark of blood pressure elevations, weight gain and diabetes onset in the metabolic syndrome. In kidney, compensatory mechanisms are activated to balance salt turnover and maintain homeostasis. Data on the long-term effects of HSD with respect to tubular cell functions and kidney architecture that exclude confounding indirect blood pressure effects are scarce. Additionally we focus on cold shock Y-box binding protein-1 as a tubular cell protective factor. A HSD model (4% NaCl in chow; 1% NaCl in water) was compared to normal salt diet (NSD, standard chow) over 16 months using wild type mice and an inducible conditional whole body knockout for cold shock Y-box binding protein-1 (BL6J/N, Ybx1). HSD induced no difference in blood pressure over 16 months, comparing NSD/HSD and Ybx1 wild type/knockout. Nevertheless, marked phenotypic changes were detected. Glucosuria and subnephrotic albuminuria ensued in wild type animals under HSD, which subsided in Ybx1-deficient animals. At the same time megalin receptors were upregulated. The sodium-glucose cotransporter-2 (SGLT2) was completely downregulated in wild type HSD animals that developed glucosuria. In Ybx1 knockouts, expression of AQP1 and SGLT2 was maintained under HSD; proximal tubular widening and glomerular tubularization developed. Concurrently, amino aciduria of neutral and hydrophobic amino acids was seen. In vitro translation confirmed that YB-1 translationally represses Sglt2 transcripts. Our data reveal profound effects of HSD primarily within glomeruli and proximal tubular segments. YB-1 is regulated by HSD and orchestrates HSD-dependent changes; notably, sets reabsorption thresholds for amino acids, proteins and glucose.
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Affiliation(s)
- Anja Bernhardt
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Saskia Häberer
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - JingJing Xu
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Hannah Damerau
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Johannes Steffen
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Charlotte Reichardt
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Katharina Wolters
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Hannes Steffen
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Berend Isermann
- Institute of Clinical Chemistry and Pathobiochemistry, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Katrin Borucki
- Institute of Clinical Chemistry and Pathobiochemistry, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Nadine Artelt
- Institute of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany.,NIPOKA GmbH, Greifswald, Germany
| | - Nicole Endlich
- Institute of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany.,NIPOKA GmbH, Greifswald, Germany
| | - Renata Kozyraki
- Centre de Recherche des Cordeliers, INSERM, UMRS-1138, Université de Paris, Paris, France
| | - Sabine Brandt
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Jonathan A Lindquist
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Peter R Mertens
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
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22
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Mateu-Regué À, Christiansen J, Bagger FO, Hellriegel C, Nielsen FC. Unveiling mRNP composition by fluorescence correlation and cross-correlation spectroscopy using cell lysates. Nucleic Acids Res 2021; 49:e119. [PMID: 34478550 PMCID: PMC8599746 DOI: 10.1093/nar/gkab751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 01/29/2023] Open
Abstract
Understanding the mRNA life cycle requires information about the dynamics and macromolecular composition and stoichiometry of mRNPs. Fluorescence correlation and cross-correlation spectroscopy (FCS and FCCS) are appealing technologies to study these macromolecular structures because they have single molecule sensitivity and readily provide information about their molecular composition and dynamics. Here, we demonstrate how FCS can be exploited to study cytoplasmic mRNPs with high accuracy and reproducibility in cell lysates. Cellular lysates not only recapitulate data from live cells but provide improved readings and allow investigation of single mRNP analysis under particular conditions or following enzymatic treatments. Moreover, FCCS employing minute amounts of cells closely corroborated previously reported RNA dependent interactions and provided estimates of the relative overlap between factors in the mRNPs, thus depicting their heterogeneity. The described lysate-based FCS and FCCS analysis may not only complement current biochemical approaches but also provide novel opportunities for the quantitative analysis of the molecular composition and dynamics of single mRNPs.
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Affiliation(s)
- Àngels Mateu-Regué
- Center for Genomic Medicine, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Jan Christiansen
- Department of Biology, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen, Denmark
| | - Frederik Otzen Bagger
- Center for Genomic Medicine, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Christian Hellriegel
- Carl Zeiss RMS / Harvard Center for Biological Imaging, 16 Divinity Avenue, Cambridge, MA 02138, USA
| | - Finn Cilius Nielsen
- Center for Genomic Medicine, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
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23
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Alkrekshi A, Wang W, Rana PS, Markovic V, Sossey-Alaoui K. A comprehensive review of the functions of YB-1 in cancer stemness, metastasis and drug resistance. Cell Signal 2021; 85:110073. [PMID: 34224843 DOI: 10.1016/j.cellsig.2021.110073] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/28/2021] [Accepted: 06/30/2021] [Indexed: 12/31/2022]
Abstract
The Y Box binding protein 1 (YB-1) is a member of the highly conserved Cold Shock Domain protein family with multifunctional properties both in the cytoplasm and inside the nucleus. YB-1 is also involved in various cellular functions, including regulation of transcription, mRNA stability, and splicing. Recent studies have associated YB-1 with the regulation of the malignant phenotypes in several tumor types. In this review article, we provide an in-depth and expansive review of the literature pertaining to the multiple physiological functions of YB-1. We will also review the role of YB-1 in cancer development, progression, metastasis, and drug resistance in various malignancies, with more weight on literature published in the last decade. The methodology included querying databases PubMed, Embase, and Google Scholar for Y box binding protein 1, YB-1, YBX1, and Y-box-1.
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Affiliation(s)
- Akram Alkrekshi
- Department of Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.; MetroHealth Medical Center, Rammelkamp Center for Research, R457, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Wei Wang
- Department of Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.; MetroHealth Medical Center, Rammelkamp Center for Research, R457, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Priyanka Shailendra Rana
- Department of Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.; MetroHealth Medical Center, Rammelkamp Center for Research, R457, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Vesna Markovic
- MetroHealth Medical Center, Rammelkamp Center for Research, R457, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Khalid Sossey-Alaoui
- Department of Molecular Medicine, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.; MetroHealth Medical Center, Rammelkamp Center for Research, R457, 2500 MetroHealth Drive, Cleveland, OH 44109, USA; Case Comprehensive Cancer Center, Cleveland, OH, USA.
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24
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Pham TP, Bink DI, Stanicek L, van Bergen A, van Leeuwen E, Tran Y, Matic L, Hedin U, Wittig I, Dimmeler S, Boon RA. Long Non-coding RNA Aerrie Controls DNA Damage Repair via YBX1 to Maintain Endothelial Cell Function. Front Cell Dev Biol 2021; 8:619079. [PMID: 33505972 PMCID: PMC7829583 DOI: 10.3389/fcell.2020.619079] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/07/2020] [Indexed: 12/20/2022] Open
Abstract
Aging is accompanied by many physiological changes. These changes can progressively lead to many types of cardiovascular diseases. During this process blood vessels lose their ability to maintain vascular homeostasis, ultimately resulting in hypertension, stroke, or myocardial infarction. Increase in DNA damage is one of the hallmarks of aging and can be repaired by the DNA signaling and repair system. In our study we show that long non-coding RNA Aerrie (linc01013) contributes to the DNA signaling and repair mechanism. Silencing of Aerrie in endothelial cells impairs angiogenesis, migration, and barrier function. Aerrie associates with YBX1 and together they act as important factors in DNA damage signaling and repair. This study identifies Aerrie as a novel factor in genomic stability and as a binding partner of YBX1 in responding to DNA damage.
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Affiliation(s)
- Tan Phát Pham
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Diewertje I Bink
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Laura Stanicek
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.,Institute of Cardiovascular Regeneration, Goethe University, Frankfurt, Germany
| | - Anke van Bergen
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Esmee van Leeuwen
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Yvonne Tran
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Ljubica Matic
- Vascular Surgery Division, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ulf Hedin
- Vascular Surgery Division, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ilka Wittig
- Institute of Cardiovascular Regeneration, Goethe University, Frankfurt, Germany
| | - Stefanie Dimmeler
- Institute of Cardiovascular Regeneration, Goethe University, Frankfurt, Germany.,German Center for Cardiovascular Research DZHK, Partner Site Frankfurt Rhine-Main, Berlin, Germany
| | - Reinier A Boon
- Department of Physiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.,Institute of Cardiovascular Regeneration, Goethe University, Frankfurt, Germany.,German Center for Cardiovascular Research DZHK, Partner Site Frankfurt Rhine-Main, Berlin, Germany
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25
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Heinemann U, Roske Y. Cold-Shock Domains-Abundance, Structure, Properties, and Nucleic-Acid Binding. Cancers (Basel) 2021; 13:cancers13020190. [PMID: 33430354 PMCID: PMC7825780 DOI: 10.3390/cancers13020190] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Proteins are composed of compact domains, often of known three-dimensional structure, and natively unstructured polypeptide regions. The abundant cold-shock domain is among the set of canonical nucleic acid-binding domains and conserved from bacteria to man. Proteins containing cold-shock domains serve a large variety of biological functions, which are mostly linked to DNA or RNA binding. These functions include the regulation of transcription, RNA splicing, translation, stability and sequestration. Cold-shock domains have a simple architecture with a conserved surface ideally suited to bind single-stranded nucleic acids. Because the binding is mostly by non-specific molecular interactions which do not involve the sugar-phosphate backbone, cold-shock domains are not strictly sequence-specific and do not discriminate reliably between DNA and RNA. Many, but not all functions of cold shock-domain proteins in health and disease can be understood based of the physical and structural properties of their cold-shock domains. Abstract The cold-shock domain has a deceptively simple architecture but supports a complex biology. It is conserved from bacteria to man and has representatives in all kingdoms of life. Bacterial cold-shock proteins consist of a single cold-shock domain and some, but not all are induced by cold shock. Cold-shock domains in human proteins are often associated with natively unfolded protein segments and more rarely with other folded domains. Cold-shock proteins and domains share a five-stranded all-antiparallel β-barrel structure and a conserved surface that binds single-stranded nucleic acids, predominantly by stacking interactions between nucleobases and aromatic protein sidechains. This conserved binding mode explains the cold-shock domains’ ability to associate with both DNA and RNA strands and their limited sequence selectivity. The promiscuous DNA and RNA binding provides a rationale for the ability of cold-shock domain-containing proteins to function in transcription regulation and DNA-damage repair as well as in regulating splicing, translation, mRNA stability and RNA sequestration.
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26
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Lyabin DN, Smolin EA, Budkina KS, Eliseeva IA, Ovchinnikov LP. Towards the mechanism(s) of YB-3 synthesis regulation by YB-1. RNA Biol 2020; 18:1630-1641. [PMID: 33280507 DOI: 10.1080/15476286.2020.1859243] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Y-box binding proteins are members of the family of proteins containing the evolutionarily conserved cold shock domain. Their cellular functions are quite diverse, including transcription and translation regulation, participation in pre-mRNA splicing, mRNA stabilization and packaging into mRNPs, involvement in DNA repair, and some others. To date, we know little about the plausible functional interchangeability of Y-box binding proteins. Our previous finding was that in YB-1-null HEK293T cells the synthesis of YB-3 is enhanced, thus enabling YB-3 to interact with a larger set of mRNAs and compensate for the YB-1 absence. We suggested the existence of a mechanism of YB-3 synthesis regulation by its paralog, YB-1. Here we demonstrate that YB-1 participates in the translational control and stabilization of YB-3 mRNA through untranslated regions of YB-3 mRNA.
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Affiliation(s)
- D N Lyabin
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Russia
| | - E A Smolin
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Russia
| | - K S Budkina
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Russia
| | - I A Eliseeva
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Russia
| | - L P Ovchinnikov
- Institute of Protein Research, Russian Academy of Sciences, Pushchino, Russia
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27
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Johnson TG, Schelch K, Lai K, Marzec KA, Kennerson M, Grusch M, Reid G, Burgess A. YB-1 Knockdown Inhibits the Proliferation of Mesothelioma Cells through Multiple Mechanisms. Cancers (Basel) 2020; 12:E2285. [PMID: 32823952 PMCID: PMC7464182 DOI: 10.3390/cancers12082285] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/07/2020] [Accepted: 08/12/2020] [Indexed: 12/29/2022] Open
Abstract
Y-box binding protein-1 (YB-1) is a multifunctional oncoprotein that has been shown to regulate proliferation, invasion and metastasis in a variety of cancer types. We previously demonstrated that YB-1 is overexpressed in mesothelioma cells and its knockdown significantly reduces tumour cell proliferation, migration, and invasion. However, the mechanisms driving these effects are unclear. Here, we utilised an unbiased RNA-seq approach to characterise the changes to gene expression caused by loss of YB-1 knockdown in three mesothelioma cell lines (MSTO-211H, VMC23 and REN cells). Bioinformatic analysis showed that YB-1 knockdown regulated 150 common genes that were enriched for regulators of mitosis, integrins and extracellular matrix organisation. However, each cell line also displayed unique gene expression signatures, that were differentially enriched for cell death or cell cycle control. Interestingly, deregulation of STAT3 and p53-pathways were a key differential between each cell line. Using flow cytometry, apoptosis assays and single-cell time-lapse imaging, we confirmed that MSTO-211H, VMC23 and REN cells underwent either increased cell death, G1 arrest or aberrant mitotic division, respectively. In conclusion, this data indicates that YB-1 knockdown affects a core set of genes in mesothelioma cells. Loss of YB-1 causes a cascade of events that leads to reduced mesothelioma proliferation, dependent on the underlying functionality of the STAT3/p53-pathways and the genetic landscape of the cell.
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Affiliation(s)
- Thomas G. Johnson
- The Asbestos Diseases Research Institute (ADRI), Concord Hospital, Concord, Sydney 2139, Australia;
- The ANZAC Research Institute, Concord Repatriation General Hospital, Sydney 2139, Australia; (K.L.); (K.A.M.); (M.K.)
- Faculty of Medicine and Health, The University of Sydney Concord Clinical School, Sydney 2139, Australia
- Sydney Catalyst Translational Research Centre, Sydney 2050, Australia
| | - Karin Schelch
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (K.S.); (M.G.)
| | - Kaitao Lai
- The ANZAC Research Institute, Concord Repatriation General Hospital, Sydney 2139, Australia; (K.L.); (K.A.M.); (M.K.)
- Faculty of Medicine and Health, The University of Sydney Concord Clinical School, Sydney 2139, Australia
| | - Kamila A. Marzec
- The ANZAC Research Institute, Concord Repatriation General Hospital, Sydney 2139, Australia; (K.L.); (K.A.M.); (M.K.)
| | - Marina Kennerson
- The ANZAC Research Institute, Concord Repatriation General Hospital, Sydney 2139, Australia; (K.L.); (K.A.M.); (M.K.)
- Faculty of Medicine and Health, The University of Sydney Concord Clinical School, Sydney 2139, Australia
- Molecular Medicine Laboratory, Concord Repatriation General Hospital, Sydney 2139, Australia
| | - Michael Grusch
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria; (K.S.); (M.G.)
| | - Glen Reid
- Department of Pathology, The University of Otago, Dunedin 9054, New Zealand;
- The Maurice Wilkins Centre, University of Otago, Dunedin 9054, New Zealand
| | - Andrew Burgess
- The ANZAC Research Institute, Concord Repatriation General Hospital, Sydney 2139, Australia; (K.L.); (K.A.M.); (M.K.)
- Faculty of Medicine and Health, The University of Sydney Concord Clinical School, Sydney 2139, Australia
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28
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Y-Box Binding Proteins in mRNP Assembly, Translation, and Stability Control. Biomolecules 2020; 10:biom10040591. [PMID: 32290447 PMCID: PMC7226217 DOI: 10.3390/biom10040591] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/06/2020] [Accepted: 04/10/2020] [Indexed: 12/12/2022] Open
Abstract
Y-box binding proteins (YB proteins) are DNA/RNA-binding proteins belonging to a large family of proteins with the cold shock domain. Functionally, these proteins are known to be the most diverse, although the literature hardly offers any molecular mechanisms governing their activities in the cell, tissue, or the whole organism. This review describes the involvement of YB proteins in RNA-dependent processes, such as mRNA packaging into mRNPs, mRNA translation, and mRNA stabilization. In addition, recent data on the structural peculiarities of YB proteins underlying their interactions with nucleic acids are discussed.
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