1
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Zakirova NF, Khomich OA, Smirnova OA, Molle J, Duponchel S, Yanvarev DV, Valuev-Elliston VT, Monnier L, Grigorov B, Ivanova ON, Karpenko IL, Golikov MV, Bovet C, Rindlisbacher B, Khomutov AR, Kochetkov SN, Bartosch B, Ivanov AV. Hepatitis C Virus Dysregulates Polyamine and Proline Metabolism and Perturbs the Urea Cycle. Cells 2024; 13:1036. [PMID: 38920664 PMCID: PMC11201506 DOI: 10.3390/cells13121036] [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: 04/29/2024] [Revised: 06/05/2024] [Accepted: 06/11/2024] [Indexed: 06/27/2024] Open
Abstract
Hepatitis C virus (HCV) is an oncogenic virus that causes chronic liver disease in more than 80% of patients. During the last decade, efficient direct-acting antivirals were introduced into clinical practice. However, clearance of the virus does not reduce the risk of end-stage liver diseases to the level observed in patients who have never been infected. So, investigation of HCV pathogenesis is still warranted. Virus-induced changes in cell metabolism contribute to the development of HCV-associated liver pathologies. Here, we studied the impact of the virus on the metabolism of polyamines and proline as well as on the urea cycle, which plays a crucial role in liver function. It was found that HCV strongly suppresses the expression of arginase, a key enzyme of the urea cycle, leading to the accumulation of arginine, and up-regulates proline oxidase with a concomitant decrease in proline concentrations. The addition of exogenous proline moderately suppressed viral replication. HCV up-regulated transcription but suppressed protein levels of polyamine-metabolizing enzymes. This resulted in a decrease in polyamine content in infected cells. Finally, compounds targeting polyamine metabolism demonstrated pronounced antiviral activity, pointing to spermine and spermidine as compounds affecting HCV replication. These data expand our understanding of HCV's imprint on cell metabolism.
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Affiliation(s)
- Natalia F. Zakirova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Olga A. Khomich
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Olga A. Smirnova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Jennifer Molle
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Sarah Duponchel
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Dmitry V. Yanvarev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Vladimir T. Valuev-Elliston
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Lea Monnier
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Boyan Grigorov
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Olga N. Ivanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Inna L. Karpenko
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Mikhail V. Golikov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Cedric Bovet
- University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (C.B.); (B.R.)
| | - Barbara Rindlisbacher
- University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (C.B.); (B.R.)
| | - Alex R. Khomutov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Sergey N. Kochetkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
| | - Birke Bartosch
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, 69434 Lyon, France; (J.M.); (L.M.); (B.G.); (B.B.)
| | - Alexander V. Ivanov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (N.F.Z.); (O.A.K.); (O.A.S.); (D.V.Y.); (V.T.V.-E.); (O.N.I.); (I.L.K.); (M.V.G.); (A.R.K.); (S.N.K.)
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2
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Wu B, Liu S. Structural Insights into the Mechanisms Underlying Polyaminopathies. Int J Mol Sci 2024; 25:6340. [PMID: 38928047 PMCID: PMC11203672 DOI: 10.3390/ijms25126340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/01/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Polyamines are ubiquitous in almost all biological entities and involved in various crucial physiological processes. They are also closely associated with the onset and progression of many diseases. Polyaminopathies are a group of rare genetic disorders caused by alterations in the function of proteins within the polyamine metabolism network. Although the identified polyaminopathies are all rare diseases at present, they are genetically heritable, rendering high risks not only to the carriers but also to their descendants. Meanwhile, more polyaminopathic patients might be discovered with the increasing accessibility of gene sequencing. This review aims to provide a comprehensive overview of the structural variations of mutated proteins in current polyaminopathies, in addition to their causative genes, types of mutations, clinical symptoms, and therapeutic approaches. We focus on analyzing how alterations in protein structure lead to protein dysfunction, thereby facilitating the onset of diseases. We hope this review will offer valuable insights and references for the future clinical diagnosis and precision treatment of polyaminopathies.
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Affiliation(s)
- Bing Wu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Wuhan 430068, China
- Hubei Key Laboratory of Industrial Microbiology, National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, China
| | - Sen Liu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Wuhan 430068, China
- Hubei Key Laboratory of Industrial Microbiology, National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, China
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3
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Wan Q, Tavakoli L, Wang TY, Tucker AJ, Zhou R, Liu Q, Feng S, Choi D, He Z, Gack MU, Zhao J. Hijacking of nucleotide biosynthesis and deamidation-mediated glycolysis by an oncogenic herpesvirus. Nat Commun 2024; 15:1442. [PMID: 38365882 PMCID: PMC10873312 DOI: 10.1038/s41467-024-45852-5] [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: 06/21/2023] [Accepted: 02/05/2024] [Indexed: 02/18/2024] Open
Abstract
Kaposi's sarcoma-associated herpesvirus (KSHV) is the causative agent of Kaposi's sarcoma (KS) and multiple types of B cell malignancies. Emerging evidence demonstrates that KSHV reprograms host-cell central carbon metabolic pathways, which contributes to viral persistence and tumorigenesis. However, the mechanisms underlying KSHV-mediated metabolic reprogramming remain poorly understood. Carbamoyl-phosphate synthetase 2, aspartate transcarbamoylase, and dihydroorotase (CAD) is a key enzyme of the de novo pyrimidine synthesis, and was recently identified to deamidate the NF-κB subunit RelA to promote aerobic glycolysis and cell proliferation. Here we report that KSHV infection exploits CAD for nucleotide synthesis and glycolysis. Mechanistically, KSHV vCyclin binds to and hijacks cyclin-dependent kinase CDK6 to phosphorylate Ser-1900 on CAD, thereby activating CAD-mediated pyrimidine synthesis and RelA-deamidation-mediated glycolytic reprogramming. Correspondingly, genetic depletion or pharmacological inhibition of CDK6 and CAD potently impeded KSHV lytic replication and thwarted tumorigenesis of primary effusion lymphoma (PEL) cells in vitro and in vivo. Altogether, our work defines a viral metabolic reprogramming mechanism underpinning KSHV oncogenesis, which may spur the development of new strategies to treat KSHV-associated malignancies and other diseases.
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Affiliation(s)
- Quanyuan Wan
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA
| | - Leah Tavakoli
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA
| | - Ting-Yu Wang
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
- Proteome Exploration Laboratory, Beckman Institute, California Institute of Technology, Pasadena, CA, USA
| | - Andrew J Tucker
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA
| | - Ruiting Zhou
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA
| | - Qizhi Liu
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
- State Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, China
| | - Shu Feng
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
- Department of Diabetes & Cancer Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Dongwon Choi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Zhiheng He
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Michaela U Gack
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA
| | - Jun Zhao
- Florida Research and Innovation Center, Cleveland Clinic, Port St. Lucie, FL, USA.
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4
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Cruz-Pulido YE, Mounce BC. Good cop, bad cop: Polyamines play both sides in host immunity and viral replication. Semin Cell Dev Biol 2023; 146:70-79. [PMID: 36604249 PMCID: PMC10101871 DOI: 10.1016/j.semcdb.2022.12.004] [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: 08/30/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 01/05/2023]
Abstract
Viruses rely on host cells for energy and synthesis machinery required for genome replication and particle assembly. Due to the dependence of viruses on host cells, viruses have evolved multiple mechanisms by which they can induce metabolic changes in the host cell to suit their specific requirements. The host immune response also involves metabolic changes to be able to react to viral insult. Polyamines are small ubiquitously expressed polycations, and their metabolism is critical for viral replication and an adequate host immune response. This is due to the variety of functions that polyamines have, ranging from condensing DNA to enhancing the translation of polyproline-containing proteins through the hypusination of eIF5A. Here, we review the diverse mechanisms by which viruses exploit polyamines, as well as the mechanisms by which immune cells utilize polyamines for their functions. Furthermore, we highlight potential avenues for further study of the host-virus interface.
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Affiliation(s)
- Yazmin E Cruz-Pulido
- Department of Microbiology and Immunology, Loyola University Chicago Stritch School of Medicine, Maywood, IL, USA
| | - Bryan C Mounce
- Department of Microbiology and Immunology, Loyola University Chicago Stritch School of Medicine, Maywood, IL, USA; Infectious Disease and Immunology Research Institute, Loyola University Chicago Stritch School of Medicine, Maywood, IL, USA.
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5
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Zhang X, Meng W, Feng J, Gao X, Qin C, Feng P, Huang Y, Gao SJ. METTL16 controls Kaposi's sarcoma-associated herpesvirus replication by regulating S-adenosylmethionine cycle. Cell Death Dis 2023; 14:591. [PMID: 37673880 PMCID: PMC10482891 DOI: 10.1038/s41419-023-06121-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023]
Abstract
Oncogenic Kaposi's sarcoma-associated herpesvirus (KSHV) consists of latent and lytic replication phases, both of which are important for the development of KSHV-related cancers. As one of the most abundant RNA modifications, N6-methyladenosine (m6A) and its related complexes regulate KSHV life cycle. However, the role of METTL16, a newly discovered RNA methyltransferase, in KSHV life cycle remains unknown. In this study, we have identified a suppressive role of METTL16 in KSHV lytic replication. METTL16 knockdown increased while METTL16 overexpression reduced KSHV lytic replication. METTL16 binding to and writing of m6A on MAT2A transcript are essential for its splicing, maturation and expression. As a rate-limiting enzyme in the methionine-S-adenosylmethionine (SAM) cycle, MAT2A catalyzes the conversion of L-methionine to SAM required for the transmethylation of protein, DNA and RNA, transamination of polyamines, and transsulfuration of cystathionine. Consequently, knockdown or chemical inhibition of MAT2A reduced intracellular SAM level and enhanced KSHV lytic replication. In contrast, SAM treatment was sufficient to inhibit KSHV lytic replication and reverse the effect of the enhanced KSHV lytic program caused by METTL16 or MAT2A knockdown. Mechanistically, METTL16 or MAT2A knockdown increased while SAM treatment decreased the intracellular reactive oxygen species level by altering glutathione level, which is essential for efficient KSHV lytic replication. These findings demonstrate that METTL16 suppresses KSHV lytic replication by modulating the SAM cycle to maintain intracellular SAM level and redox homeostasis, thus illustrating the linkage of KSHV life cycle with specific m6A modifications, and cellular metabolic and oxidative conditions.
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Affiliation(s)
- Xinquan Zhang
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Wen Meng
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jian Feng
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Xinghong Gao
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Chao Qin
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Pinghui Feng
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Yufei Huang
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Electrical and Computer Engineering, Swanson School of Engineering, Pittsburgh, PA, USA
| | - Shou-Jiang Gao
- Cancer Virology Program, University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA.
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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6
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Functional polyamine metabolic enzymes and pathways encoded by the virosphere. Proc Natl Acad Sci U S A 2023; 120:e2214165120. [PMID: 36802435 PMCID: PMC9992855 DOI: 10.1073/pnas.2214165120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
Viruses produce more viruses by manipulating the metabolic and replication systems of their host cells. Many have acquired metabolic genes from ancestral hosts and use the encoded enzymes to subvert host metabolism. The polyamine spermidine is required for bacteriophage and eukaryotic virus replication, and herein, we have identified and functionally characterized diverse phage- and virus-encoded polyamine metabolic enzymes and pathways. These include pyridoxal 5'-phosphate (PLP)-dependent ornithine decarboxylase (ODC), pyruvoyl-dependent ODC and arginine decarboxylase (ADC), arginase, S-adenosylmethionine decarboxylase (AdoMetDC/speD), spermidine synthase, homospermidine synthase, spermidine N-acetyltransferase, and N-acetylspermidine amidohydrolase. We identified homologs of the spermidine-modified translation factor eIF5a encoded by giant viruses of the Imitervirales. Although AdoMetDC/speD is prevalent among marine phages, some homologs have lost AdoMetDC activity and have evolved into pyruvoyl-dependent ADC or ODC. The pelagiphages that encode the pyruvoyl-dependent ADCs infect the abundant ocean bacterium Candidatus Pelagibacter ubique, which we have found encodes a PLP-dependent ODC homolog that has evolved into an ADC, indicating that infected cells would contain both PLP- and pyruvoyl-dependent ADCs. Complete or partial spermidine or homospermidine biosynthetic pathways are found encoded in the giant viruses of the Algavirales and Imitervirales, and in addition, some viruses of the Imitervirales can release spermidine from the inactive N-acetylspermidine. In contrast, diverse phages encode spermidine N-acetyltransferase that can sequester spermidine into its inactive N-acetyl form. Together, the virome-encoded enzymes and pathways for biosynthesis and release or biochemical sequestration of spermidine or its structural analog homospermidine consolidate and expand evidence supporting an important and global role of spermidine in virus biology.
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7
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Rozman B, Fisher T, Stern-Ginossar N. Translation-A tug of war during viral infection. Mol Cell 2023; 83:481-495. [PMID: 36334591 DOI: 10.1016/j.molcel.2022.10.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/15/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
Abstract
Viral reproduction is contingent on viral protein synthesis that relies on the host ribosomes. As such, viruses have evolved remarkable strategies to hijack the host translational apparatus in order to favor viral protein production and to interfere with cellular innate defenses. Here, we describe the approaches viruses use to exploit the translation machinery, focusing on commonalities across diverse viral families, and discuss the functional relevance of this process. We illustrate the complementary strategies host cells utilize to block viral protein production and consider how cells ensure an efficient antiviral response that relies on translation during this tug of war over the ribosome. Finally, we highlight potential roles mRNA modifications and ribosome quality control play in translational regulation and innate immunity. We address these topics in the context of the COVID-19 pandemic and focus on the gaps in our current knowledge of these mechanisms, specifically in viruses with pandemic potential.
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Affiliation(s)
- Batsheva Rozman
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Tal Fisher
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Noam Stern-Ginossar
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel.
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8
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An Update on the Metabolic Landscape of Oncogenic Viruses. Cancers (Basel) 2022; 14:cancers14235742. [PMID: 36497226 PMCID: PMC9738352 DOI: 10.3390/cancers14235742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/10/2022] [Accepted: 11/17/2022] [Indexed: 11/24/2022] Open
Abstract
Viruses play an important role in cancer development as about 12% of cancer types are linked to viral infections. Viruses that induce cellular transformation are known as oncoviruses. Although the mechanisms of viral oncogenesis differ between viruses, all oncogenic viruses share the ability to establish persistent chronic infections with no obvious symptoms for years. During these prolonged infections, oncogenic viruses manipulate cell signaling pathways that control cell cycle progression, apoptosis, inflammation, and metabolism. Importantly, it seems that most oncoviruses depend on these changes for their persistence and amplification. Metabolic changes induced by oncoviruses share many common features with cancer metabolism. Indeed, viruses, like proliferating cancer cells, require increased biosynthetic precursors for virion production, need to balance cellular redox homeostasis, and need to ensure host cell survival in a given tissue microenvironment. Thus, like for cancer cells, viral replication and persistence of infected cells frequently depend on metabolic changes. Here, we draw parallels between metabolic changes observed in cancers or induced by oncoviruses, with a focus on pathways involved in the regulation of glucose, lipid, and amino acids. We describe whether and how oncoviruses depend on metabolic changes, with the perspective of targeting them for antiviral and onco-therapeutic approaches in the context of viral infections.
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9
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Zhou D, Wu Z, Park JG, Fiches GN, Li TW, Ma Q, Huang H, Biswas A, Martinez-Sobrido L, Santoso NG, Zhu J. FACT subunit SUPT16H associates with BRD4 and contributes to silencing of interferon signaling. Nucleic Acids Res 2022; 50:8700-8718. [PMID: 35904816 PMCID: PMC9410884 DOI: 10.1093/nar/gkac645] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 06/26/2022] [Accepted: 07/20/2022] [Indexed: 11/14/2022] Open
Abstract
FACT (FAcilitates Chromatin Transcription) is a heterodimeric protein complex composed of SUPT16H and SSRP1, and a histone chaperone participating in chromatin remodeling during gene transcription. FACT complex is profoundly regulated, and contributes to both gene activation and suppression. Here we reported that SUPT16H, a subunit of FACT, is acetylated in both epithelial and natural killer (NK) cells. The histone acetyltransferase TIP60 contributes to the acetylation of SUPT16H middle domain (MD) at lysine 674 (K674). Such acetylation of SUPT16H is recognized by bromodomain protein BRD4, which promotes protein stability of SUPT16H in both epithelial and NK cells. We further demonstrated that SUPT16H-BRD4 associates with histone modification enzymes (HDAC1, EZH2), and further regulates their activation status and/or promoter association as well as affects the relevant histone marks (H3ac, H3K9me3 and H3K27me3). BRD4 is known to profoundly regulate interferon (IFN) signaling, while such function of SUPT16H has never been explored. Surprisingly, our results revealed that SUPT16H genetic knockdown via RNAi or pharmacological inhibition by using its inhibitor, curaxin 137 (CBL0137), results in the induction of IFNs and interferon-stimulated genes (ISGs). Through this mechanism, depletion or inhibition of SUPT16H is shown to efficiently inhibit infection of multiple viruses, including Zika, influenza, and SARS-CoV-2. Furthermore, we demonstrated that depletion or inhibition of SUPT16H also causes the remarkable activation of IFN signaling in NK cells, which promotes the NK-mediated killing of virus-infected cells in a co-culture system using human primary NK cells. Overall, our studies unraveled the previously un-appreciated role of FACT complex in coordinating with BRD4 and regulating IFN signaling in both epithelial and NK cells, and also proposed the novel application of the FACT inhibitor CBL0137 to treat viral infections.
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Affiliation(s)
- Dawei Zhou
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Zhenyu Wu
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Jun-Gyu Park
- Texas Biomedical Research Institute, San Antonio, TX 78227, USA
| | - Guillaume N Fiches
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Tai-Wei Li
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Qin Ma
- Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Huachao Huang
- Department of Medicine, Columbia University Medical Center, NY, NY 10032, USA
| | - Ayan Biswas
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
- Department of Genetics, The University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | | | - Netty G Santoso
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Jian Zhu
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
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Seoane R, Llamas-González YY, Vidal S, El Motiam A, Bouzaher YH, Fonseca D, Farrás R, García-Sastre A, González-Santamaría J, Rivas C. eIF5A is activated by virus infection or dsRNA and facilitates virus replication through modulation of interferon production. Front Cell Infect Microbiol 2022; 12:960138. [PMID: 35967877 PMCID: PMC9363599 DOI: 10.3389/fcimb.2022.960138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
Active hypusine-modified initiation elongation factor 5A is critical for cell proliferation and differentiation, embryonic development, and innate immune response of macrophages to bacterial infection. Here, we demonstrate that both virus infection and double-stranded RNA viral mimic stimulation induce the hypusination of eIF5A. Furthermore, we show that activation of eIF5A is essential for the replication of several RNA viruses including influenza A virus, vesicular stomatitis virus, chikungunya virus, mayaro virus, una virus, zika virus, and punta toro virus. Finally, our data reveal that inhibition of eIF5A hypusination using the spermidine analog GC7 or siRNA-mediated downmodulation of eIF5A1 induce upregulation of endoplasmic reticulum stress marker proteins and trigger the transcriptional induction of interferon and interferon-stimulated genes, mechanisms that may explain the broad-spectrum antiviral activity of eIF5A inhibition.
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Affiliation(s)
- Rocío Seoane
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), Santiago de Compostela, Spain
| | - Yessica Y. Llamas-González
- Grupo de Biología Celular y Molecular de Arbovirus, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panamá, Panama
- Programa de Doctorado en Ciencias Biológicas, Universidad de la República, Montevideo, Uruguay
| | - Santiago Vidal
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), Santiago de Compostela, Spain
| | - Ahmed El Motiam
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), Santiago de Compostela, Spain
| | - Yanis Hichem Bouzaher
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), Santiago de Compostela, Spain
| | - Danae Fonseca
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Rosa Farrás
- Oncogenic Signalling Laboratory, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - José González-Santamaría
- Grupo de Biología Celular y Molecular de Arbovirus, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panamá, Panama
| | - Carmen Rivas
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Instituto de Investigaciones Sanitarias (IDIS), Santiago de Compostela, Spain
- Cellular and Molecular Biology, Centro Nacional de Biotecnología (CNB)-CSIC, Madrid, Spain
- *Correspondence: Carmen Rivas,
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