1
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Bak DW, Weerapana E. Proteomic strategies to interrogate the Fe-S proteome. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119791. [PMID: 38925478 DOI: 10.1016/j.bbamcr.2024.119791] [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: 02/29/2024] [Revised: 05/23/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024]
Abstract
Iron‑sulfur (Fe-S) clusters, inorganic cofactors composed of iron and sulfide, participate in numerous essential redox, non-redox, structural, and regulatory biological processes within the cell. Though structurally and functionally diverse, the list of all proteins in an organism capable of binding one or more Fe-S clusters is referred to as its Fe-S proteome. Importantly, the Fe-S proteome is highly dynamic, with continuous cluster synthesis and delivery by complex Fe-S cluster biogenesis pathways. This cluster delivery is balanced out by processes that can result in loss of Fe-S cluster binding, such as redox state changes, iron availability, and oxygen sensitivity. Despite continued expansion of the Fe-S protein catalogue, it remains a challenge to reliably identify novel Fe-S proteins. As such, high-throughput techniques that can report on native Fe-S cluster binding are required to both identify new Fe-S proteins, as well as characterize the in vivo dynamics of Fe-S cluster binding. Due to the recent rapid growth in mass spectrometry, proteomics, and chemical biology, there has been a host of techniques developed that are applicable to the study of native Fe-S proteins. This review will detail both the current understanding of the Fe-S proteome and Fe-S cluster biology as well as describing state-of-the-art proteomic strategies for the study of Fe-S clusters within the context of a native proteome.
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Affiliation(s)
- Daniel W Bak
- Department of Chemistry, Boston College, Chestnut Hill, MA, United States of America.
| | - Eranthie Weerapana
- Department of Chemistry, Boston College, Chestnut Hill, MA, United States of America.
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2
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Querci L, Piccioli M, Ciofi-Baffoni S, Banci L. Structural aspects of iron‑sulfur protein biogenesis: An NMR view. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119786. [PMID: 38901495 DOI: 10.1016/j.bbamcr.2024.119786] [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: 02/13/2024] [Revised: 05/15/2024] [Accepted: 06/10/2024] [Indexed: 06/22/2024]
Abstract
Over the last decade, structural aspects involving iron‑sulfur (Fe/S) protein biogenesis have played an increasingly important role in understanding the high mechanistic complexity of mitochondrial and cytosolic machineries maturing Fe/S proteins. In this respect, solution NMR has had a significant impact because of its ability to monitor transient protein-protein interactions, which are abundant in the networks of pathways leading to Fe/S cluster biosynthesis and transfer, as well as thanks to the developments of paramagnetic NMR in both terms of new methodologies and accurate data interpretation. Here, we review the use of solution NMR in characterizing the structural aspects of human Fe/S proteins and their interactions in the framework of Fe/S protein biogenesis. We will first present a summary of the recent advances that have been achieved by paramagnetic NMR and then we will focus our attention on the role of solution NMR in the field of human Fe/S protein biogenesis.
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Affiliation(s)
- Leonardo Querci
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy
| | - Mario Piccioli
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy
| | - Simone Ciofi-Baffoni
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy.
| | - Lucia Banci
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy; Consorzio Interuniversitario Risonanze Magnetiche di Metalloproteine (CIRMMP), Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy.
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3
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Li X, Perdomo IMM, Rodrigues Alves Barbosa V, Diao C, Tarailo-Graovac M. The critical role of the iron-sulfur cluster and CTC components in DOG-1/BRIP1 function in Caenorhabditis elegans. Nucleic Acids Res 2024:gkae617. [PMID: 39011897 DOI: 10.1093/nar/gkae617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 06/26/2024] [Accepted: 07/02/2024] [Indexed: 07/17/2024] Open
Abstract
FANCJ/BRIP1, initially identified as DOG-1 (Deletions Of G-rich DNA) in Caenorhabditis elegans, plays a critical role in genome integrity by facilitating DNA interstrand cross-link repair and resolving G-quadruplex structures. Its function is tightly linked to a conserved [4Fe-4S] cluster-binding motif, mutations of which contribute to Fanconi anemia and various cancers. This study investigates the critical role of the iron-sulfur (Fe-S) cluster in DOG-1 and its relationship with the cytosolic iron-sulfur protein assembly targeting complex (CTC). We found that a DOG-1 mutant, expected to be defective in Fe-S cluster binding, is primarily localized in the cytoplasm, leading to heightened DNA damage sensitivity and G-rich DNA deletions. We further discovered that the deletion of mms-19, a nonessential CTC component, also resulted in DOG-1 sequestered in cytoplasm and increased DNA damage sensitivity. Additionally, we identified that CIAO-1 and CIAO-2B are vital for DOG-1's stability and repair functions but unlike MMS-19 have essential roles in C. elegans. These findings confirm the CTC and Fe-S cluster as key elements in regulating DOG-1, crucial for genome integrity. Additionally, this study advances our understanding of the CTC's role in Fe-S protein regulation and development in C. elegans, offering a model to study its impact on multicellular organism development.
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Affiliation(s)
- Xiao Li
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
| | - Ivette Maria Menendez Perdomo
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
| | - Victoria Rodrigues Alves Barbosa
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
| | - Catherine Diao
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
| | - Maja Tarailo-Graovac
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, T2N 4N1, Canada
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4
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Maio N, Orbach R, Zaharieva IT, Töpf A, Donkervoort S, Munot P, Mueller J, Willis T, Verma S, Peric S, Krishnakumar D, Sudhakar S, Foley AR, Silverstein S, Douglas G, Pais L, DiTroia S, Grunseich C, Hu Y, Sewry C, Sarkozy A, Straub V, Muntoni F, Rouault TA, Bönnemann CG. CIAO1 loss of function causes a neuromuscular disorder with compromise of nucleocytoplasmic Fe-S enzymes. J Clin Invest 2024; 134:e179559. [PMID: 38950322 PMCID: PMC11178529 DOI: 10.1172/jci179559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 04/26/2024] [Indexed: 07/03/2024] Open
Abstract
Cytoplasmic and nuclear iron-sulfur (Fe-S) enzymes that are essential for genome maintenance and replication depend on the cytoplasmic Fe-S assembly (CIA) machinery for cluster acquisition. The core of the CIA machinery consists of a complex of CIAO1, MMS19 and FAM96B. The physiological consequences of loss of function in the components of the CIA pathway have thus far remained uncharacterized. Our study revealed that patients with biallelic loss of function in CIAO1 developed proximal and axial muscle weakness, fluctuating creatine kinase elevation, and respiratory insufficiency. In addition, they presented with CNS symptoms including learning difficulties and neurobehavioral comorbidities, along with iron deposition in deep brain nuclei, mild normocytic to macrocytic anemia, and gastrointestinal symptoms. Mutational analysis revealed reduced stability of the variants compared with WT CIAO1. Functional assays demonstrated failure of the variants identified in patients to recruit Fe-S recipient proteins, resulting in compromised activities of DNA helicases, polymerases, and repair enzymes that rely on the CIA complex to acquire their Fe-S cofactors. Lentivirus-mediated restoration of CIAO1 expression reversed all patient-derived cellular abnormalities. Our study identifies CIAO1 as a human disease gene and provides insights into the broader implications of the cytosolic Fe-S assembly pathway in human health and disease.
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Affiliation(s)
- Nunziata Maio
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, Maryland, USA
| | - Rotem Orbach
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | - Irina T. Zaharieva
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Ana Töpf
- John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Sandra Donkervoort
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | - Pinki Munot
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Juliane Mueller
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Tracey Willis
- Wolfson Centre for Neuromuscular Disorders, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, United Kingdom
- Chester University Medical School, Chester, United Kingdom
| | - Sumit Verma
- Department of Pediatrics and Neurology, Emory University School of Medicine, Georgia, Atlanta, USA
| | - Stojan Peric
- Department for Neuromuscular Disorders, Neurology Clinic, University Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Deepa Krishnakumar
- Paediatric Neurology, Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Sniya Sudhakar
- Department of Neuroradiology, Great Ormond Street NHS Trust Hospital, London, United Kingdom
| | - A. Reghan Foley
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | - Sarah Silverstein
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | | | - Lynn Pais
- Program in Medical and Population Genetics, Center for Mendelian Genomics, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Stephanie DiTroia
- Program in Medical and Population Genetics, Center for Mendelian Genomics, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Christopher Grunseich
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | - Ying Hu
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
| | - Caroline Sewry
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
- Wolfson Centre for Neuromuscular Disorders, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, United Kingdom
| | - Anna Sarkozy
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Volker Straub
- John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
| | - Francesco Muntoni
- Dubowitz Neuromuscular Centre, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Tracey A. Rouault
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, Maryland, USA
| | - Carsten G. Bönnemann
- Neuromuscular and Neurogenetic Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, Maryland, USA
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5
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van Karnebeek CDM, Tarailo-Graovac M, Leen R, Meinsma R, Correard S, Jansen-Meijer J, Prykhozhij SV, Pena IA, Ban K, Schock S, Saxena V, Pras-Raves ML, Drögemöller BI, Grootemaat AE, van der Wel NN, Dobritzsch D, Roseboom W, Schomakers BV, Jaspers YRJ, Zoetekouw L, Roelofsen J, Ferreira CR, van der Lee R, Ross CJ, Kochan J, McIntyre RL, van Klinken JB, van Weeghel M, Kramer G, Weschke B, Labrune P, Willemsen MA, Riva D, Garavaglia B, Moeschler JB, Filiano JJ, Ekker M, Berman JN, Dyment D, Vaz FM, Wasserman WW, Houtkooper RH, van Kuilenburg ABP. CIAO1 and MMS19 deficiency: A lethal neurodegenerative phenotype caused by cytosolic Fe-S cluster protein assembly disorders. Genet Med 2024; 26:101104. [PMID: 38411040 DOI: 10.1016/j.gim.2024.101104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 02/28/2024] Open
Abstract
PURPOSE The functionality of many cellular proteins depends on cofactors; yet, they have only been implicated in a minority of Mendelian diseases. Here, we describe the first 2 inherited disorders of the cytosolic iron-sulfur protein assembly system. METHODS Genetic testing via genome sequencing was applied to identify the underlying disease cause in 3 patients with microcephaly, congenital brain malformations, progressive developmental and neurologic impairments, recurrent infections, and a fatal outcome. Studies in patient-derived skin fibroblasts and zebrafish models were performed to investigate the biochemical and cellular consequences. RESULTS Metabolic analysis showed elevated uracil and thymine levels in body fluids but no pathogenic variants in DPYD, encoding dihydropyrimidine dehydrogenase. Genome sequencing identified compound heterozygosity in 2 patients for missense variants in CIAO1, encoding cytosolic iron-sulfur assembly component 1, and homozygosity for an in-frame 3-nucleotide deletion in MMS19, encoding the MMS19 homolog, cytosolic iron-sulfur assembly component, in the third patient. Profound alterations in the proteome, metabolome, and lipidome were observed in patient-derived fibroblasts. We confirmed the detrimental effect of deficiencies in CIAO1 and MMS19 in zebrafish models. CONCLUSION A general failure of cytosolic and nuclear iron-sulfur protein maturation caused pleiotropic effects. The critical function of the cytosolic iron-sulfur protein assembly machinery for antiviral host defense may well explain the recurrent severe infections occurring in our patients.
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Affiliation(s)
- Clara D M van Karnebeek
- Amsterdam UMC location University of Amsterdam, Departments of Pediatrics and Human Genetics, Emma Center for Personalized Medicine, Amsterdam, The Netherlands; Emma Center for Personalized Medicine, Amsterdam UMC, Amsterdam, The Netherlands; Departments of Medical Genetics and Pediatrics, Centre for Molecular Medicine and Therapeutics, Faculty of Pharmaceutical Science, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada; United for Metabolic Diseases, Amsterdam, The Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands
| | - Maja Tarailo-Graovac
- Departments of Medical Genetics and Biochemistry & Molecular Biology, Alberta Children's Hospital Research Institute (ACHRI), Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - René Leen
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands
| | - Rutger Meinsma
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Solenne Correard
- Departments of Medical Genetics and Pediatrics, Centre for Molecular Medicine and Therapeutics, Faculty of Pharmaceutical Science, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Judith Jansen-Meijer
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Sergey V Prykhozhij
- Faculty of Medicine, CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Izabella A Pena
- The Picower Institute for Learning and Memory, Massachusetts Institute of Technology-MIT, Boston, MA
| | - Kevin Ban
- Faculty of Medicine, CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Sarah Schock
- Faculty of Medicine, CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Vishal Saxena
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Mia L Pras-Raves
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands
| | - Britt I Drögemöller
- Rady Faculty of Health Sciences, Department of Biochemistry and Medical Genetics, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Anita E Grootemaat
- Amsterdam UMC Location University of Amsterdam, Department of Medical Biology, Amsterdam, The Netherlands
| | - Nicole N van der Wel
- Amsterdam UMC Location University of Amsterdam, Department of Medical Biology, Amsterdam, The Netherlands
| | - Doreen Dobritzsch
- Uppsala University, Department of Chemistry, Biomedical Center, Uppsala, Sweden
| | - Winfried Roseboom
- Swammerdam Institute for Life Sciences, University of Amsterdam, Laboratory for Mass Spectrometry of Biomolecules, Amsterdam, The Netherlands
| | - Bauke V Schomakers
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands
| | - Yorrick R J Jaspers
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands; Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Lida Zoetekouw
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Jeroen Roelofsen
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Carlos R Ferreira
- National Human Genome Research Institute, National Institutes of Health, Bethesda, MD
| | - Robin van der Lee
- Departments of Medical Genetics and Pediatrics, Centre for Molecular Medicine and Therapeutics, Faculty of Pharmaceutical Science, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Colin J Ross
- Departments of Medical Genetics and Pediatrics, Centre for Molecular Medicine and Therapeutics, Faculty of Pharmaceutical Science, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Jakub Kochan
- Jagiellonian University, Faculty of Biochemistry, Biophysics and Biotechnology, Department of Cell Biochemistry, Kraków, Poland
| | - Rebecca L McIntyre
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - Jan B van Klinken
- Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands; Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Michel van Weeghel
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands; Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands
| | - Gertjan Kramer
- Swammerdam Institute for Life Sciences, University of Amsterdam, Laboratory for Mass Spectrometry of Biomolecules, Amsterdam, The Netherlands
| | - Bernhard Weschke
- Department of Neuropediatrics, Charité University Medicine Berlin, Berlin, Germany
| | - Philippe Labrune
- APHP-Université Paris-Saclay, Hôpital Antoine Béclère, Centre de Référence Maladies Héréditaires du Métabolisme Hépatique, Service de Pédiatrie, Clamart, and Paris-Saclay University, and INSERM U 1195, Clamart, France
| | - Michèl A Willemsen
- Department of Pediatric Neurology and Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Daria Riva
- Neurogenetic Syndromes and Autism Spectrum Disorders Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta," Milan, Italy
| | - Barbara Garavaglia
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta," Milan, Italy
| | - John B Moeschler
- Geisel School of Medicine, Dartmouth College and Departments of Pediatrics, Children's Hospital at Dartmouth, Lebanon, NH
| | - James J Filiano
- Geisel School of Medicine, Dartmouth College and Departments of Pediatrics, Children's Hospital at Dartmouth, Lebanon, NH
| | - Marc Ekker
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Jason N Berman
- Faculty of Medicine, CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - David Dyment
- Faculty of Medicine, CHEO Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Frédéric M Vaz
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands; Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands; Core Facility Metabolomics, Amsterdam UMC, Amsterdam, The Netherlands
| | - Wyeth W Wasserman
- Departments of Medical Genetics and Pediatrics, Centre for Molecular Medicine and Therapeutics, Faculty of Pharmaceutical Science, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Riekelt H Houtkooper
- Emma Center for Personalized Medicine, Amsterdam UMC, Amsterdam, The Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands; Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands
| | - André B P van Kuilenburg
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands; Amsterdam UMC location University of Amsterdam, Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Amsterdam, The Netherlands.
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6
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Maio N, Heffner AL, Rouault TA. Iron‑sulfur clusters in viral proteins: Exploring their elusive nature, roles and new avenues for targeting infections. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119723. [PMID: 38599324 PMCID: PMC11139609 DOI: 10.1016/j.bbamcr.2024.119723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/13/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024]
Abstract
Viruses have evolved complex mechanisms to exploit host factors for replication and assembly. In response, host cells have developed strategies to block viruses, engaging in a continuous co-evolutionary battle. This dynamic interaction often revolves around the competition for essential resources necessary for both host cell and virus replication. Notably, iron, required for the biosynthesis of several cofactors, including iron‑sulfur (FeS) clusters, represents a critical element in the ongoing competition for resources between infectious agents and host. Although several recent studies have identified FeS cofactors at the core of virus replication machineries, our understanding of their specific roles and the cellular processes responsible for their incorporation into viral proteins remains limited. This review aims to consolidate our current knowledge of viral components that have been characterized as FeS proteins and elucidate how viruses harness these versatile cofactors to their benefit. Its objective is also to propose that viruses may depend on incorporation of FeS cofactors more extensively than is currently known. This has the potential to revolutionize our understanding of viral replication, thereby carrying significant implications for the development of strategies to target infections.
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Affiliation(s)
- Nunziata Maio
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20892, USA.
| | - Audrey L Heffner
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20892, USA; Department of Biology, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Tracey A Rouault
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20892, USA
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7
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Braymer JJ, Stehling O, Stümpfig M, Rösser R, Spantgar F, Blinn CM, Mühlenhoff U, Pierik AJ, Lill R. Requirements for the biogenesis of [2Fe-2S] proteins in the human and yeast cytosol. Proc Natl Acad Sci U S A 2024; 121:e2400740121. [PMID: 38743629 PMCID: PMC11126956 DOI: 10.1073/pnas.2400740121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 04/16/2024] [Indexed: 05/16/2024] Open
Abstract
The biogenesis of iron-sulfur (Fe/S) proteins entails the synthesis and trafficking of Fe/S clusters, followed by their insertion into target apoproteins. In eukaryotes, the multiple steps of biogenesis are accomplished by complex protein machineries in both mitochondria and cytosol. The underlying biochemical pathways have been elucidated over the past decades, yet the mechanisms of cytosolic [2Fe-2S] protein assembly have remained ill-defined. Similarly, the precise site of glutathione (GSH) requirement in cytosolic and nuclear Fe/S protein biogenesis is unclear, as is the molecular role of the GSH-dependent cytosolic monothiol glutaredoxins (cGrxs). Here, we investigated these questions in human and yeast cells by various in vivo approaches. [2Fe-2S] cluster assembly of cytosolic target apoproteins required the mitochondrial ISC machinery, the mitochondrial transporter Atm1/ABCB7 and GSH, yet occurred independently of both the CIA system and cGrxs. This mechanism was strikingly different from the ISC-, Atm1/ABCB7-, GSH-, and CIA-dependent assembly of cytosolic-nuclear [4Fe-4S] proteins. One notable exception to this cytosolic [2Fe-2S] protein maturation pathway defined here was yeast Apd1 which used the CIA system via binding to the CIA targeting complex through its C-terminal tryptophan. cGrxs, although attributed as [2Fe-2S] cluster chaperones or trafficking proteins, were not essential in vivo for delivering [2Fe-2S] clusters to either CIA components or target apoproteins. Finally, the most critical GSH requirement was assigned to Atm1-dependent export, i.e. a step before GSH-dependent cGrxs function. Our findings extend the general model of eukaryotic Fe/S protein biogenesis by adding the molecular requirements for cytosolic [2Fe-2S] protein maturation.
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Affiliation(s)
- Joseph J. Braymer
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Oliver Stehling
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Martin Stümpfig
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Ralf Rösser
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Farah Spantgar
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Catharina M. Blinn
- Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Ulrich Mühlenhoff
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
| | - Antonio J. Pierik
- Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Roland Lill
- Institut für Zytobiologie und Zytopathologie, Fachbereich Medizin, Philipps-Universität Marburg, Marburg35032, Germany
- Zentrum für Synthetische Mikrobiologie Synmikro, Philipps-Universität Marburg, Marburg35032, Germany
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8
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Yin J, Ge X, Ding F, He L, Song K, Shi Z, Ge Z, Zhang J, Ji J, Wang X, Zhao N, Shu C, Lin F, Wang Q, Zhou Q, Cao Y, Liu W, Ye D, Rich JN, Wang X, You Y, Qian X. Reactivating PTEN to impair glioma stem cells by inhibiting cytosolic iron-sulfur assembly. Sci Transl Med 2024; 16:eadg5553. [PMID: 38507470 DOI: 10.1126/scitranslmed.adg5553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 02/16/2024] [Indexed: 03/22/2024]
Abstract
Glioblastoma, the most lethal primary brain tumor, harbors glioma stem cells (GSCs) that not only initiate and maintain malignant phenotypes but also enhance therapeutic resistance. Although frequently mutated in glioblastomas, the function and regulation of PTEN in PTEN-intact GSCs are unknown. Here, we found that PTEN directly interacted with MMS19 and competitively disrupted MMS19-based cytosolic iron-sulfur (Fe-S) cluster assembly (CIA) machinery in differentiated glioma cells. PTEN was specifically succinated at cysteine (C) 211 in GSCs compared with matched differentiated glioma cells. Isotope tracing coupled with mass spectrometry analysis confirmed that fumarate, generated by adenylosuccinate lyase (ADSL) in the de novo purine synthesis pathway that is highly activated in GSCs, promoted PTEN C211 succination. This modification abrogated the interaction between PTEN and MMS19, reactivating the CIA machinery pathway in GSCs. Functionally, inhibiting PTEN C211 succination by reexpressing a PTEN C211S mutant, depleting ADSL by shRNAs, or consuming fumarate by the US Food and Drug Administration-approved prescription drug N-acetylcysteine (NAC) impaired GSC maintenance. Reexpressing PTEN C211S or treating with NAC sensitized GSC-derived brain tumors to temozolomide and irradiation, the standard-of-care treatments for patients with glioblastoma, by slowing CIA machinery-mediated DNA damage repair. These findings reveal an immediately practicable strategy to target GSCs to treat glioblastoma by combination therapy with repurposed NAC.
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Affiliation(s)
- Jianxing Yin
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
- Gusu School, Nanjing Medical University, Suzhou 215006, China
| | - Xin Ge
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Fangshu Ding
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Liuguijie He
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
- Department of Cell Biology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - Keying Song
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Zhumei Shi
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Zehe Ge
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Junxia Zhang
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Jing Ji
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
- Gusu School, Nanjing Medical University, Suzhou 215006, China
| | - Xiefeng Wang
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Ningwei Zhao
- China Exposomics Institute, Shanghai 200120, China
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Chuanjun Shu
- Department of Bioinformatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Fan Lin
- Department of Cell Biology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - Qianghu Wang
- Department of Bioinformatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, China
| | - Qigang Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yuandong Cao
- Department of Radiation Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Wentao Liu
- Jiangsu Key Laboratory of Neurodegeneration, Department of Pharmacology, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Dan Ye
- Huashan Hospital, Fudan University, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), and Molecular and Cell Biology Laboratory, Institutes of Biomedical Sciences, Shanghai Medical College of Fudan University, Shanghai 200032, China
| | - Jeremy N Rich
- University of Pittsburgh Medical Center, Hillman Cancer Center, Pittsburgh, PA 15232, USA
- Department of Neurology, University of Pittsburgh, Pittsburgh, PA 15232, USA
| | - Xiuxing Wang
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
- Department of Cell Biology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
- National Health Commission Key Laboratory of Antibody Technologies, Nanjing Medical University, Nanjing 211166, China
| | - Yongping You
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
| | - Xu Qian
- Department of Neurosurgery of First Affiliated Hospital of Nanjing Medical University, and Department of Nutrition and Food Hygiene of School of Public Health, Nanjing Medical University, Nanjing 210029, China
- Institute for Brain Tumors, Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, and Center for Global Health, Nanjing Medical University, Nanjing 211166, China
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Nanjing Medical University Affiliated Cancer Hospital and Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing 21009, China
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
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9
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Muhammad A, Sarkadi Z, van Emden T, Mazumder A, Capella M, Fekete G, Sreechakram VNS, Al-Sady B, Papp B, Barrales RR, Braun S. A systematic quantitative approach comprehensively defines domain-specific functional pathways linked to Schizosaccharomyces pombe heterochromatin regulation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.13.579970. [PMID: 38405799 PMCID: PMC10888830 DOI: 10.1101/2024.02.13.579970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Heterochromatin plays a critical role in regulating gene expression and maintaining genome integrity. While structural and enzymatic components have been linked to heterochromatin establishment, a comprehensive view of the underlying pathways at diverse heterochromatin domains remains elusive. Here, we developed a systematic approach to identify factors involved in heterochromatin silencing at pericentromeres, subtelomeres, and the silent mating type locus in Schizosaccharomyces pombe. Using quantitative measures, iterative genetic screening, and domain-specific heterochromatin reporters, we identified 369 mutants with different degrees of reduced or enhanced silencing. As expected, mutations in the core heterochromatin machinery globally decreased silencing. However, most other mutants exhibited distinct qualitative and quantitative profiles that indicate domain-specific functions. For example, decreased mating type silencing was linked to mutations in heterochromatin maintenance genes, while compromised subtelomere silencing was associated with metabolic pathways. Furthermore, similar phenotypic profiles revealed shared functions for subunits within complexes. We also discovered that the uncharacterized protein Dhm2 plays a crucial role in maintaining constitutive and facultative heterochromatin, while its absence caused phenotypes akin to DNA replication-deficient mutants. Collectively, our systematic approach unveiled a landscape of domain-specific heterochromatin regulators controlling distinct states and identified Dhm2 as a previously unknown factor linked to heterochromatin inheritance and replication fidelity.
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Affiliation(s)
- Abubakar Muhammad
- Institute for Genetics, Justus-Liebig-University Giessen, Giessen, Germany
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- International Max Planck Research School for Molecular and Cellular Life Sciences, Planegg-Martinsried, Germany
| | - Zsuzsa Sarkadi
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
- HCEMM-BRC Metabolic Systems Biology Lab, Szeged, Hungary
| | - Thomas van Emden
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- International Max Planck Research School for Molecular and Cellular Life Sciences, Planegg-Martinsried, Germany
| | - Agnisrota Mazumder
- Institute for Genetics, Justus-Liebig-University Giessen, Giessen, Germany
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
| | - Matias Capella
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- Present address: Instituto de Agrobiotecnología del Litoral, CONICET, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gergely Fekete
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
- HCEMM-BRC Metabolic Systems Biology Lab, Szeged, Hungary
| | - Vishnu N Suma Sreechakram
- Institute for Genetics, Justus-Liebig-University Giessen, Giessen, Germany
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
| | - Bassem Al-Sady
- Department of Microbiology & Immunology, George Williams Hooper Foundation, University of California San Francisco, San Francisco, California, United States of America
| | - Balázs Papp
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
- HCEMM-BRC Metabolic Systems Biology Lab, Szeged, Hungary
| | - Ramón Ramos Barrales
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- Present address: Centro Andaluz de Biología del Desarrollo (CABD), Universidad Pablo de Olavide-Consejo Superior de Investigaciones Científicas-Junta de Andalucía, Seville, Spain
| | - Sigurd Braun
- Institute for Genetics, Justus-Liebig-University Giessen, Giessen, Germany
- BioMedical Center (BMC), Division of Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
- International Max Planck Research School for Molecular and Cellular Life Sciences, Planegg-Martinsried, Germany
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10
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Novoa-Aponte L, Philpott CC. Proximity Ligation Assay for the Analysis of Iron-Mediated Protein-Protein Interactions in the Nucleus. Methods Mol Biol 2024; 2839:53-75. [PMID: 39008248 DOI: 10.1007/978-1-0716-4043-2_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Iron forms essential cofactors used by many nuclear enzymes involved in genome maintenance. However, unchaperoned nuclear iron may represent a threat to the surrounding genetic material as it promotes redox toxicity that may affect DNA integrity. Safely handling intracellular iron implies metal transfer and cofactor assembly processes based on protein-protein interactions. Identifying those interactions commonly occurs via high-throughput approaches using affinity purification or proximity labeling coupled with mass spectrometry analysis. However, these methods do not identify the subcellular location of the interactions. The one-on-one confirmation of proposed nuclear interactions is also challenging. Many approaches used to look at protein interactions are not tailored for looking at the nucleus because the methods used to solubilize nuclear content are harsh enough to disrupt those transient interactions. Here, we describe step-by-step the use of Proximity Ligation Assay (PLA) to analyze iron-mediated protein-protein interactions in the nucleus of cultured human cells. PLA allows the subcellular visualization of the interactions via the in situ detection of the two interacting proteins using fluorescence confocal microscopy. Briefly, cells are fixed, blocked, permeabilized, and incubated with primary antibodies directed to target proteins. Primary antibodies are recognized using PLA probes consisting of one PLUS and one MINUS oligonucleotide-labeled secondary antibody. If the two proteins are close enough (<40 nm), the PLA probes are ligated and used as the template for rolling circle amplification (RCA) with fluorescently labeled oligonucleotides that yield a signal detectable using fluorescence confocal microscopy. A fluorescently labeled membrane-specific stain (WGA) and the DNA-specific probe DAPI are used to identify cellular and nuclear boundaries, respectively. Confocal images are then analyzed using the CellProfiler software to confirm the abundance and localization of the studied protein-protein interactions.
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Affiliation(s)
- Lorena Novoa-Aponte
- Genetics and Metabolism Section, Liver Diseases Branch, National Institutes of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Caroline C Philpott
- Genetics and Metabolism Section, Liver Diseases Branch, National Institutes of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA.
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11
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Gupta P, Mansuri R, Priydarshni P, Behera S, Zaidi A, Nehar S, Sahoo GC, Pandey K, Ali V. Interaction between Cfd1 and Nbp35 proteins involved in cytosolic FeS cluster assembly machinery deciphers a stable complexation in Leishmania donovani. Int J Biol Macromol 2023; 253:127073. [PMID: 37774824 DOI: 10.1016/j.ijbiomac.2023.127073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/22/2023] [Accepted: 09/23/2023] [Indexed: 10/01/2023]
Abstract
Leishmania donovani is the causative unicellular parasite for visceral leishmaniasis (VL); and FeS proteins are likely to be very essential for their survival and viability. Cytosolic FeS cluster assembly (CIA) machinery is one of the four systems for the biosynthesis and transfer of FeS clusters among eukaryotes; Cfd1 and Nbp35 are the scaffold components for cytosolic FeS cluster biogenesis. We investigated the role of CIA machinery components and purified Cfd1 and Nbp35 proteins of L. donovani. We also investigated the interactive nature between LdCfd1 and LdNbp35 proteins by in silico analysis, in vitro co-purification, pull down assays along with in vivo immuno-precipitation; which inferred that both LdCfd1 and LdNbp35 proteins are interacting with each other. Thus, our collective data revealed the interaction between these two proteins which forms a stable complex that can be attributed to the cellular process of FeS clusters biogenesis, and transfer to target apo-proteins of L. donovani. The expression of Cfd1 and Nbp35 proteins in Amp B resistant parasites is up-regulated leading to increased amount of FeS proteins. Hence, it favors increased tolerance towards ROS level, which helps parasites survival under drug pressure contributing in Amphotericin B resistance.
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Affiliation(s)
- Parool Gupta
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Rani Mansuri
- Department of Bio-informatics, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Priya Priydarshni
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Sachidananda Behera
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Amir Zaidi
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Shamshun Nehar
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Ganesh Chandra Sahoo
- Department of Bio-informatics, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Krishna Pandey
- Department of Clinical Medicine, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India
| | - Vahab Ali
- Laboratory of Molecular Biochemistry and Cell Biology, Department of Biochemistry, ICMR-Rajendra Memorial Research Institute of Medical Sciences (RMRIMS), Agam Kuan, Patna 800007, India.
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12
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Vasquez S, Marquez MD, Brignole EJ, Vo A, Kong S, Park C, Perlstein DL, Drennan CL. Structural and biochemical investigations of a HEAT-repeat protein involved in the cytosolic iron-sulfur cluster assembly pathway. Commun Biol 2023; 6:1276. [PMID: 38110506 PMCID: PMC10728100 DOI: 10.1038/s42003-023-05579-3] [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: 05/26/2023] [Accepted: 11/13/2023] [Indexed: 12/20/2023] Open
Abstract
Iron-sulfur clusters are essential for life and defects in their biosynthesis lead to human diseases. The mechanism of cluster assembly and delivery to cytosolic and nuclear client proteins via the cytosolic iron-sulfur cluster assembly (CIA) pathway is not well understood. Here we report cryo-EM structures of the HEAT-repeat protein Met18 from Saccharomyces cerevisiae, a key component of the CIA targeting complex (CTC) that identifies cytosolic and nuclear client proteins and delivers a mature iron-sulfur cluster. We find that in the absence of other CTC proteins, Met18 adopts tetrameric and hexameric states. Using mass photometry and negative stain EM, we show that upon the addition of Cia2, these higher order oligomeric states of Met18 disassemble. We also use pulldown assays to identify residues of critical importance for Cia2 binding and recognition of the Leu1 client, many of which are buried when Met18 oligomerizes. Our structures show conformations of Met18 that have not been previously observed in any Met18 homolog, lending support to the idea that a highly flexible Met18 may be key to how the CTC is able to deliver iron-sulfur clusters to client proteins of various sizes and shapes, i.e. Met18 conforms to the dimensions needed.
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Affiliation(s)
- Sheena Vasquez
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | | | - Edward J Brignole
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- MIT.nano, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Amanda Vo
- Department of Chemistry, Boston University, Boston, MA, 02215, USA
| | - Sunnie Kong
- Department of Chemistry, Boston University, Boston, MA, 02215, USA
| | - Christopher Park
- Department of Chemistry, Boston University, Boston, MA, 02215, USA
| | | | - Catherine L Drennan
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
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13
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Marquez MD, Greth C, Buzuk A, Liu Y, Blinn CM, Beller S, Leiskau L, Hushka A, Wu K, Nur K, Netz DJA, Perlstein DL, Pierik AJ. Cytosolic iron-sulfur protein assembly system identifies clients by a C-terminal tripeptide. Proc Natl Acad Sci U S A 2023; 120:e2311057120. [PMID: 37883440 PMCID: PMC10623007 DOI: 10.1073/pnas.2311057120] [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: 07/13/2023] [Accepted: 09/20/2023] [Indexed: 10/28/2023] Open
Abstract
The eukaryotic cytosolic Fe-S protein assembly (CIA) machinery inserts iron-sulfur (Fe-S) clusters into cytosolic and nuclear proteins. In the final maturation step, the Fe-S cluster is transferred to the apo-proteins by the CIA-targeting complex (CTC). However, the molecular recognition determinants of client proteins are unknown. We show that a conserved [LIM]-[DES]-[WF]-COO- tripeptide is present at the C-terminus of more than a quarter of clients or their adaptors. When present, this targeting complex recognition (TCR) motif is necessary and sufficient for binding to the CTC in vitro and for directing Fe-S cluster delivery in vivo. Remarkably, fusion of this TCR signal enables engineering of cluster maturation on a nonnative protein via recruitment of the CIA machinery. Our study advances our understanding of Fe-S protein maturation and paves the way for bioengineering novel pathways containing Fe-S enzymes.
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Affiliation(s)
| | - Carina Greth
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | | | - Yaxi Liu
- Department of Chemistry, Boston University, Boston, MA02215
| | - Catharina M. Blinn
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Simone Beller
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Laura Leiskau
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Anthony Hushka
- Department of Chemistry, Boston University, Boston, MA02215
| | - Kassandra Wu
- Department of Chemistry, Boston University, Boston, MA02215
| | - Kübra Nur
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | - Daili J. A. Netz
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
| | | | - Antonio J. Pierik
- Department of Chemistry, University of Kaiserslautern-Landau, Kaiserslautern67663, Germany
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14
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Abdulla R, Devasia Puthenpurackal J, Pinto SM, Rekha PD, Subbannayya Y. Serum autoantibody profiling of oral squamous cell carcinoma patients reveals NUBP2 as a potential diagnostic marker. Front Oncol 2023; 13:1167691. [PMID: 37810966 PMCID: PMC10556692 DOI: 10.3389/fonc.2023.1167691] [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: 02/16/2023] [Accepted: 08/25/2023] [Indexed: 10/10/2023] Open
Abstract
Introduction Oral Squamous Cell Carcinoma (OSCC), a common malignancy of the head and neck region, is frequently diagnosed at advanced stages, necessitating the development of efficient diagnostic methods. Profiling autoantibodies generated against tumor-associated antigens have lately demonstrated a promising role in diagnosis, predicting disease course, and response to therapeutics and relapse. Methods In the current study, we, for the first time, aimed to identify and evaluate the diagnostic value of autoantibodies in serum samples of patients with OSCC using autoantibody profiling by an immunome protein array. The utility of anti-NUBP2 antibody and tissue positivity in OSCC was further evaluated. Results and discussion We identified a total of 53 autoantibodies with significant differential levels between OSCC and control groups, including 25 that were increased in OSCC and 28 that were decreased. These included autoantibodies against Thymidine kinase 1 (TK1), nucleotide-binding protein 2 (NUBP2), and protein pyrroline-5-carboxylate reductase 1 (PYCR1), among others. Immunohistochemical validation indicated positive staining of NUBP2 in a large majority of cases (72%). Further, analysis of OSCC data available in TCGA revealed higher NUBP2 expression correlated with better disease-free patient survival. In conclusion, the differential serum autoantibodies identified in the current study, including those for NUBP2, could be used as potential biomarkers for early diagnosis or as screening biomarkers for OSCC pending investigation in a larger cohort.
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Affiliation(s)
- Riaz Abdulla
- Department of Oral Pathology and Microbiology, Yenepoya Dental College, Yenepoya (Deemed to be University), Mangalore, India
| | - Jofy Devasia Puthenpurackal
- Department of Oral Pathology and Microbiology, Yenepoya Dental College, Yenepoya (Deemed to be University), Mangalore, India
| | - Sneha M. Pinto
- Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
- School of Biosciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | | | - Yashwanth Subbannayya
- Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
- School of Biosciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
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15
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Zhang G, Feng Z, Zeng Q, Huang P. Exploring Cancer Dependency Map genes and immune subtypes in colon cancer, in which TIGD1 contributes to colon cancer progression. Aging (Albany NY) 2023; 15:6400-6428. [PMID: 37441804 PMCID: PMC10373975 DOI: 10.18632/aging.204859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND Tumour-dependent genes identified in CRISPR-Cas9 screens have been widely reported in Cancer Dependency Maps (CDMs). CDM-derived tumour-dependent genes play an important role in tumorigenesis and progression; however, they have not been investigated in colon cancer (CC). METHODS CDM genes overexpressed in CC were identified from the TCGA-COAD dataset and CDM platform. A CDM signature and prognostic nomogram were constructed by Lasso Cox regression and multivariate Cox analyses. A weighted correlation network analysis (WGCNA) and consensus clustering were used to define coexpressed genes with CDM risk scores and to determine two new immune subtypes. A comprehensive investigation was performed between the two subtypes and immune regulation, the immune microenvironment and the impact of immunotherapy. RESULTS First, 1304 overexpressed CDM genes were identified. Then, a CDM signature with five cancer-dependent genes (MMS19, NOP14, POLRMT, SNAPC5 and TIGD1) and a prognostic nomogram were constructed, and they demonstrated robust predictive performance and a close relationship with clinical characteristics in different CC datasets. Patients with high CDM risk scores showed worse survival outcome and weaker response to chemotherapy. Additionally, TIGD1 genes were oncogenes that affected the CC cell cycle, according to cell functional experiments that involved the suppression of the TIGD1 gene. Furthermore, WGCNA and consensus clustering were used to define coexpressed genes with CDM risk scores and to determine two new immune subtypes. Finally, systematic investigations were conducted with the relationship between the CDM subtypes and immune regulation. CONCLUSIONS This study constructed a CDM signature consisting of five risk genes that predict survival in CC patients. In addition, the immune subtypes provided valuable insights into immunotherapy for CC patients. TIGD1, as an oncogene, is independent prognostic factors for CC, and contributes to CC progression.
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Affiliation(s)
- Guoyang Zhang
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
- Medical Innovation Center, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zongfeng Feng
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
- Medical Innovation Center, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Qingwen Zeng
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
- Medical Innovation Center, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ping Huang
- Department of Nutrition, The First Affiliated Hospital of Nanchang University, Nanchang, China
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16
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Lynch J, Wang Y, Li Y, Kavdia K, Fukuda Y, Ranjit S, Robinson CG, Grace CR, Xia Y, Peng J, Schuetz JD. A PPIX-binding probe facilitates discovery of PPIX-induced cell death modulation by peroxiredoxin. Commun Biol 2023; 6:673. [PMID: 37355765 PMCID: PMC10290680 DOI: 10.1038/s42003-023-05024-5] [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: 09/30/2022] [Accepted: 06/07/2023] [Indexed: 06/26/2023] Open
Abstract
While heme synthesis requires the formation of a potentially lethal intermediate, protoporphyrin IX (PPIX), surprisingly little is known about the mechanism of its toxicity, aside from its phototoxicity. The cellular protein interactions of PPIX might provide insight into modulators of PPIX-induced cell death. Here we report the development of PPB, a biotin-conjugated, PPIX-probe that captures proteins capable of interacting with PPIX. Quantitative proteomics in a diverse panel of mammalian cell lines reveal a high degree of concordance for PPB-interacting proteins identified for each cell line. Most differences are quantitative, despite marked differences in PPIX formation and sensitivity. Pathway and quantitative difference analysis indicate that iron and heme metabolism proteins are prominent among PPB-bound proteins in fibroblasts, which undergo PPIX-mediated death determined to occur through ferroptosis. PPB proteomic data (available at PRIDE ProteomeXchange # PXD042631) reveal that redox proteins from PRDX family of glutathione peroxidases interact with PPIX. Targeted gene knockdown of the mitochondrial PRDX3, but not PRDX1 or 2, enhance PPIX-induced death in fibroblasts, an effect blocked by the radical-trapping antioxidant, ferrostatin-1. Increased PPIX formation and death was also observed in a T-lymphoblastoid ferrochelatase-deficient leukemia cell line, suggesting that PPIX elevation might serve as a potential strategy for killing certain leukemias.
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Affiliation(s)
- John Lynch
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Yao Wang
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Yuxin Li
- Department of Structural Biology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
- Center for Proteomics and Metabolomics, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Kanisha Kavdia
- Center for Proteomics and Metabolomics, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Yu Fukuda
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Sabina Ranjit
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Camenzind G Robinson
- Cellular Imaging Shared Resource, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Christy R Grace
- Department of Structural Biology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Youlin Xia
- Department of Structural Biology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - Junmin Peng
- Department of Structural Biology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
- Center for Proteomics and Metabolomics, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA
| | - John D Schuetz
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, 38105, USA.
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17
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Marquez MD, Greth C, Buzuk A, Liu Y, Blinn CM, Beller S, Leiskau L, Hushka A, Wu K, Nur K, Netz DJ, Perlstein DL, Pierik AJ. Cytosolic iron-sulfur protein assembly system identifies clients by a C-terminal tripeptide. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.19.541488. [PMID: 37292740 PMCID: PMC10245660 DOI: 10.1101/2023.05.19.541488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The eukaryotic cytosolic Fe-S protein assembly (CIA) machinery inserts iron-sulfur (Fe-S) clusters into cytosolic and nuclear proteins. In the final maturation step, the Fe-S cluster is transferred to the apo-proteins by the CIA-targeting complex (CTC). However, the molecular recognition determinants of client proteins are unknown. We show that a conserved [LIM]-[DES]-[WF]-COO- tripeptide present at the C-terminus of clients is necessary and sufficient for binding to the CTC in vitro and directing Fe-S cluster delivery in vivo. Remarkably, fusion of this TCR (target complex recognition) signal enables engineering of cluster maturation on a non-native protein via recruitment of the CIA machinery. Our study significantly advances our understanding of Fe-S protein maturation and paves the way for bioengineering applications.
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Affiliation(s)
| | - Carina Greth
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | | | - Yaxi Liu
- Department of Chemistry, Boston University; Boston, MA, USA
| | - Catharina M. Blinn
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | - Simone Beller
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | - Laura Leiskau
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | - Anthony Hushka
- Department of Chemistry, Boston University; Boston, MA, USA
| | - Kassandra Wu
- Department of Chemistry, Boston University; Boston, MA, USA
| | - Kübra Nur
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | - Daili J. Netz
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
| | | | - Antonio J. Pierik
- Department of Chemistry, RPTU Kaiserslautern-Landau; 67663 Kaiserslautern, Germany
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18
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Metformin inhibits oral squamous cell carcinoma progression through regulating RNA alternative splicing. Life Sci 2023; 315:121274. [PMID: 36509195 DOI: 10.1016/j.lfs.2022.121274] [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: 10/02/2022] [Revised: 11/28/2022] [Accepted: 12/04/2022] [Indexed: 12/13/2022]
Abstract
AIMS Oral squamous cell carcinoma (OSCC) is considered as the sixth most common cancer worldwide characterized by high invasiveness, high metastasis rate and high mortality. It is urgent to explore novel therapeutic strategies to overcome this feature. Metformin is currently a strong candidate anti-tumor drug in multiple cancers. However, whether metformin could inhibit cancer progression by regulating RNA alternative splicing remains largely unknown. MAIN METHODS Cell proliferation and growth ability of CAL-27 and UM-SCC6 were analyzed by CCK8 and colony formation assays. Cell migration was judged by wound healing assay. Mechanistically, RNA-seq was applied to systematically identify genes that are regulated by metformin. The expression of metformin-regulated genes was determined by real-time quantitative PCR (RT-qPCR). Metformin-regulated alternative splicing events were confirmed by RT-PCR. KEY FINDINGS We demonstrated that metformin could significantly inhibit the proliferation and migration of oral squamous cell carcinoma cells. Mechanistically, in addition to transcriptional regulation, metformin induces a wide range of alternative splicing alteration, including genes involved in centrosome, cellular response to DNA damage stimulus, GTPase binding, histone modification, catalytic activity, regulation of cell cycle process and ATPase complex. Notably, metformin specifically modulates the splicing of NUBP2, a component of the cytosolic iron-sulfur (Fe/S) protein assembly (CIA). Briefly, metformin favors the production of NUBP2-L, the long splicing isoform of NUBP2, thereby inhibiting cancer cell proliferation. SIGNIFICANCE Our findings provide mechanistic insights of metformin on RNA alternative splicing regulation, thus to offer a potential novel route for metformin to inhibit cancer progression.
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19
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Update on Prognostic and Predictive Markers in Mucinous Ovarian Cancer. Cancers (Basel) 2023; 15:cancers15041172. [PMID: 36831515 PMCID: PMC9954175 DOI: 10.3390/cancers15041172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023] Open
Abstract
This review includes state-of-the-art prognostic and predictive factors of mucinous ovarian cancer (MOC), a rare tumor. Clinical, pathological, and molecular features and treatment options according to prognosis are comprehensively discussed. Different clinical implications of MOC are described according to the The International Federation of Gynecology and Obstetrics (FIGO) stage: early MOC (stage I-II) and advanced MOC (stage III-IV). Early MOC is characterized by a good prognosis. Surgery is the mainstay of treatment. Fertility-sparing surgery could be performed in patients who wish to become pregnant and that present low recurrence risk of disease. Adjuvant chemotherapy is not recommended, except in patients with high-risk clinical and pathological features. Regarding the histological features, an infiltrative growth pattern is the major prognostic factor of MOC. Furthermore, novel molecular biomarkers are emerging for tailored management of early-stage MOC. In contrast, advanced MOC is characterized by poor survival. Radical surgery is the cornerstone of treatment and adjuvant chemotherapy is recommended, although the efficacy is limited by the intrinsic chemoresistance of these tumors. Several molecular hallmarks of advanced MOC have been described in recent years (e.g., HER2 amplification, distinct methylation profiles, peculiar immunological microenvironment), but target therapy for these rare tumors is not available yet.
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20
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Philpott CC, Protchenko O, Wang Y, Novoa-Aponte L, Leon-Torres A, Grounds S, Tietgens AJ. Iron-tracking strategies: Chaperones capture iron in the cytosolic labile iron pool. Front Mol Biosci 2023; 10:1127690. [PMID: 36818045 PMCID: PMC9932599 DOI: 10.3389/fmolb.2023.1127690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Cells express hundreds of iron-dependent enzymes that rely on the iron cofactors heme, iron-sulfur clusters, and mono-or di-nuclear iron centers for activity. Cells require systems for both the assembly and the distribution of iron cofactors to their cognate enzymes. Proteins involved in the binding and trafficking of iron ions in the cytosol, called cytosolic iron chaperones, have been identified and characterized in mammalian cells. The first identified iron chaperone, poly C-binding protein 1 (PCBP1), has also been studied in mice using genetic models of conditional deletion in tissues specialized for iron handling. Studies of iron trafficking in mouse tissues have necessitated the development of new approaches, which have revealed new roles for PCBP1 in the management of cytosolic iron. These approaches can be applied to investigate use of other nutrient metals in mammals.
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21
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Van V, Brown JB, O'Shea CR, Rosenbach H, Mohamed I, Ejimogu NE, Bui TS, Szalai VA, Chacón KN, Span I, Zhang F, Smith AT. Iron-sulfur clusters are involved in post-translational arginylation. Nat Commun 2023; 14:458. [PMID: 36709327 PMCID: PMC9884297 DOI: 10.1038/s41467-023-36158-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 01/18/2023] [Indexed: 01/30/2023] Open
Abstract
Eukaryotic arginylation is an essential post-translational modification that modulates protein stability and regulates protein half-life. Arginylation is catalyzed by a family of enzymes known as the arginyl-tRNA transferases (ATE1s), which are conserved across the eukaryotic domain. Despite their conservation and importance, little is known regarding the structure, mechanism, and regulation of ATE1s. In this work, we show that ATE1s bind a previously undiscovered [Fe-S] cluster that is conserved across evolution. We characterize the nature of this [Fe-S] cluster and find that the presence of the [Fe-S] cluster in ATE1 is linked to its arginylation activity, both in vitro and in vivo, and the initiation of the yeast stress response. Importantly, the ATE1 [Fe-S] cluster is oxygen-sensitive, which could be a molecular mechanism of the N-degron pathway to sense oxidative stress. Taken together, our data provide the framework of a cluster-based paradigm of ATE1 regulatory control.
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Affiliation(s)
- Verna Van
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA
| | - Janae B Brown
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA
| | - Corin R O'Shea
- Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Hannah Rosenbach
- Institut für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Ijaz Mohamed
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA
| | - Nna-Emeka Ejimogu
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA
| | - Toan S Bui
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA
| | - Veronika A Szalai
- Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, 20899, USA
| | - Kelly N Chacón
- Department of Chemistry, Reed College, Portland, OR, 97202, USA
| | - Ingrid Span
- Institut für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Fangliang Zhang
- Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA.,Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Aaron T Smith
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD, 21250, USA.
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22
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Petronek MS, Allen BG. Maintenance of genome integrity by the late-acting cytoplasmic iron-sulfur assembly (CIA) complex. Front Genet 2023; 14:1152398. [PMID: 36968611 PMCID: PMC10031043 DOI: 10.3389/fgene.2023.1152398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 02/24/2023] [Indexed: 03/29/2023] Open
Abstract
Iron-sulfur (Fe-S) clusters are unique, redox-active co-factors ubiquitous throughout cellular metabolism. Fe-S cluster synthesis, trafficking, and coordination result from highly coordinated, evolutionarily conserved biosynthetic processes. The initial Fe-S cluster synthesis occurs within the mitochondria; however, the maturation of Fe-S clusters culminating in their ultimate insertion into appropriate cytosolic/nuclear proteins is coordinated by a late-acting cytosolic iron-sulfur assembly (CIA) complex in the cytosol. Several nuclear proteins involved in DNA replication and repair interact with the CIA complex and contain Fe-S clusters necessary for proper enzymatic activity. Moreover, it is currently hypothesized that the late-acting CIA complex regulates the maintenance of genome integrity and is an integral feature of DNA metabolism. This review describes the late-acting CIA complex and several [4Fe-4S] DNA metabolic enzymes associated with maintaining genome stability.
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23
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Tesfay L, Paul BT, Hegde P, Brewer M, Habbani S, Jellison E, Moore T, Wu H, Torti SV, Torti FM. Complementary anti-cancer pathways triggered by inhibition of sideroflexin 4 in ovarian cancer. Sci Rep 2022; 12:19936. [PMID: 36402786 PMCID: PMC9675821 DOI: 10.1038/s41598-022-24391-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022] Open
Abstract
DNA damaging agents are a mainstay of standard chemotherapy for ovarian cancer. Unfortunately, resistance to such DNA damaging agents frequently develops, often due to increased activity of DNA repair pathways. Sideroflexin 4 (SFXN4) is a little-studied inner mitochondrial membrane protein. Here we demonstrate that SFXN4 plays a role in synthesis of iron sulfur clusters (Fe-S) in ovarian cancer cells and ovarian cancer tumor-initiating cells, and that knockdown of SFXN4 inhibits Fe-S biogenesis in ovarian cancer cells. We demonstrate that this has two important consequences that may be useful in anti-cancer therapy. First, inhibition of Fe-S biogenesis triggers the accumulation of excess iron, leading to oxidative stress. Second, because enzymes critical to multiple DNA repair pathways require Fe-S clusters for their function, DNA repair enzymes and DNA repair itself are inhibited by reduction of SFXN4. Through this dual mechanism, SFXN4 inhibition heightens ovarian cancer cell sensitivity to DNA-damaging drugs and DNA repair inhibitors used in ovarian cancer therapy, such as cisplatin and PARP inhibitors. Sensitization is achieved even in drug resistant ovarian cancer cells. Further, knockout of SFXN4 decreases DNA repair and profoundly inhibits tumor growth in a mouse model of ovarian cancer metastasis. Collectively, these results suggest that SFXN4 may represent a new target in ovarian cancer therapy.
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Affiliation(s)
- Lia Tesfay
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Bibbin T Paul
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Poornima Hegde
- Department of Pathology, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Molly Brewer
- Department of Obstetrics and Gynecology, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Samrin Habbani
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, 06030, USA
- Department of Comparative Pathobiology, Purdue University College of Veterinary Medicine, West Lafayette, IN, 47907, USA
| | - Evan Jellison
- Department of Immunology, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Timothy Moore
- Statistical Consulting Services, Center for Open Research Resources, University of Connecticut, Storrs, CT, 06269, USA
| | - Hao Wu
- Department of Statistics, University of Connecticut, Storrs, CT, 06269, USA
| | - Suzy V Torti
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, 06030, USA.
| | - Frank M Torti
- Department of Medicine, University of Connecticut Health Center, Farmington, CT, 06030, USA
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24
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QU L, HE X, TANG Q, FAN X, LIU J, LIN A. Iron metabolism, ferroptosis, and lncRNA in cancer: knowns and unknowns. J Zhejiang Univ Sci B 2022; 23:844-862. [PMID: 36226538 PMCID: PMC9561407 DOI: 10.1631/jzus.b2200194] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Cancer cells undergo substantial metabolic alterations to sustain increased energy supply and uncontrolled proliferation. As an essential trace element, iron is vital for many biological processes. Evidence has revealed that cancer cells deploy various mechanisms to elevate the cellular iron concentration to accelerate proliferation. Ferroptosis, a form of cell death caused by iron-catalyzed excessive peroxidation of polyunsaturated fatty acids (PUFAs), is a promising therapeutic target for therapy-resistant cancers. Previous studies have reported that long noncoding RNA (lncRNA) is a group of critical regulators involved in modulating cell metabolism, proliferation, apoptosis, and ferroptosis. In this review, we summarize the associations among iron metabolism, ferroptosis, and ferroptosis-related lncRNA in tumorigenesis. This information will help deepen understanding of the role of lncRNA in iron metabolism and raise the possibility of targeting lncRNA and ferroptosis in cancer combination therapy.
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Affiliation(s)
- Lei QU
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou310058, China,Cancer Center, Zhejiang University, Hangzhou310058, China,Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou310058, China
| | - Xinyu HE
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou310058, China,Cancer Center, Zhejiang University, Hangzhou310058, China,Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou310058, China
| | - Qian TANG
- Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Haining314400, China,Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou310006, China,College of Medicine and Veterinary Medicine, the University of Edinburgh, EdinburghEH16 4SB, UK,Biomedical and Health Translational Research Center of Zhejiang Province, Haining314400, China
| | - Xiao FAN
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou310058, China,Cancer Center, Zhejiang University, Hangzhou310058, China,Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou310058, China
| | - Jian LIU
- Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Haining314400, China,Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou310006, China,College of Medicine and Veterinary Medicine, the University of Edinburgh, EdinburghEH16 4SB, UK,Biomedical and Health Translational Research Center of Zhejiang Province, Haining314400, China,Jian LIU,
| | - Aifu LIN
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou310058, China,Cancer Center, Zhejiang University, Hangzhou310058, China,Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou310058, China,Breast Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou310003, China,International School of Medicine, International Institutes of Medicine, the Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu322000, China,ZJU-QILU Joint Research Institute, Hangzhou310058, China,Aifu LIN,
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25
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NCOA4 links iron bioavailability to DNA metabolism. Cell Rep 2022; 40:111207. [PMID: 35977492 DOI: 10.1016/j.celrep.2022.111207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/20/2022] [Accepted: 07/22/2022] [Indexed: 12/22/2022] Open
Abstract
Iron is essential for deoxyribonucleotides production and for enzymes containing an Fe-S cluster involved in DNA replication and repair. How iron bioavailability and DNA metabolism are coordinated remains poorly understood. NCOA4 protein mediates autophagic degradation of ferritin to maintain iron homeostasis and inhibits DNA replication origin activation via hindrance of the MCM2-7 DNA helicase. Here, we show that iron deficiency inhibits DNA replication, parallel to nuclear NCOA4 stabilization. In iron-depleted cells, NCOA4 knockdown leads to unscheduled DNA synthesis, with replication stress, genome instability, and cell death. In mice, NCOA4 genetic inactivation causes defective intestinal regeneration upon dextran sulfate sodium-mediated injury, with DNA damage, defective cell proliferation, and cell death; in intestinal organoids, this is fostered by iron depletion. In summary, we describe a NCOA4-dependent mechanism that coordinates iron bioavailability and DNA replication. This function prevents replication stress, maintains genome integrity, and sustains high rates of cell proliferation during tissue regeneration.
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26
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Maio N, Rouault TA. Mammalian iron sulfur cluster biogenesis and human diseases. IUBMB Life 2022; 74:705-714. [PMID: 35098635 PMCID: PMC9247042 DOI: 10.1002/iub.2597] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 07/30/2023]
Affiliation(s)
- Nunziata Maio
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Tracey A Rouault
- Molecular Medicine Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
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27
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Fan X, Barshop WD, Vashisht AA, Pandey V, Leal S, Rayatpisheh S, Jami-Alahmadi Y, Sha J, Wohlschlegel JA. Iron-regulated assembly of the cytosolic iron-sulfur cluster biogenesis machinery. J Biol Chem 2022; 298:102094. [PMID: 35654137 PMCID: PMC9243173 DOI: 10.1016/j.jbc.2022.102094] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 05/10/2022] [Accepted: 05/25/2022] [Indexed: 11/07/2022] Open
Abstract
The cytosolic iron–sulfur (Fe-S) cluster assembly (CIA) pathway delivers Fe-S clusters to nuclear and cytosolic Fe-S proteins involved in essential cellular functions. Although the delivery process is regulated by the availability of iron and oxygen, it remains unclear how CIA components orchestrate the cluster transfer under varying cellular environments. Here, we utilized a targeted proteomics assay for monitoring CIA factors and substrates to characterize the CIA machinery. We find that nucleotide-binding protein 1 (NUBP1/NBP35), cytosolic iron–sulfur assembly component 3 (CIAO3/NARFL), and CIA substrates associate with nucleotide-binding protein 2 (NUBP2/CFD1), a component of the CIA scaffold complex. NUBP2 also weakly associates with the CIA targeting complex (MMS19, CIAO1, and CIAO2B) indicating the possible existence of a higher order complex. Interactions between CIAO3 and the CIA scaffold complex are strengthened upon iron supplementation or low oxygen tension, while iron chelation and reactive oxygen species weaken CIAO3 interactions with CIA components. We further demonstrate that CIAO3 mutants defective in Fe-S cluster binding fail to integrate into the higher order complexes. However, these mutants exhibit stronger associations with CIA substrates under conditions in which the association with the CIA targeting complex is reduced suggesting that CIAO3 and CIA substrates may associate in complexes independently of the CIA targeting complex. Together, our data suggest that CIA components potentially form a metabolon whose assembly is regulated by environmental cues and requires Fe-S cluster incorporation in CIAO3. These findings provide additional evidence that the CIA pathway adapts to changes in cellular environment through complex reorganization.
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Affiliation(s)
- Xiaorui Fan
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA; Molecular Biology Institute, University of California, Los Angeles, California, USA
| | - William D Barshop
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Ajay A Vashisht
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Vijaya Pandey
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Stephanie Leal
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Shima Rayatpisheh
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Yasaman Jami-Alahmadi
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Jihui Sha
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - James A Wohlschlegel
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, California, USA.
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28
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Maio N, Rouault TA. Mammalian iron sulfur cluster biogenesis: From assembly to delivery to recipient proteins with a focus on novel targets of the chaperone and co‐chaperone proteins. IUBMB Life 2022; 74:684-704. [PMID: 35080107 PMCID: PMC10118776 DOI: 10.1002/iub.2593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/05/2021] [Accepted: 12/23/2021] [Indexed: 12/17/2022]
Affiliation(s)
- Nunziata Maio
- Molecular Medicine Branch Eunice Kennedy Shriver National Institute of Child Health and Human Development Bethesda Maryland USA
| | - Tracey A. Rouault
- Molecular Medicine Branch Eunice Kennedy Shriver National Institute of Child Health and Human Development Bethesda Maryland USA
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29
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Redwood AB, Zhang X, Seth SB, Ge Z, Bindeman WE, Zhou X, Sinha VC, Heffernan TP, Piwnica-Worms H. The cytosolic iron-sulfur cluster assembly (CIA) pathway is required for replication stress tolerance of cancer cells to Chk1 and ATR inhibitors. NPJ Breast Cancer 2021; 7:152. [PMID: 34857765 PMCID: PMC8639742 DOI: 10.1038/s41523-021-00353-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 11/01/2021] [Indexed: 12/13/2022] Open
Abstract
The relationship between ATR/Chk1 activity and replication stress, coupled with the development of potent and tolerable inhibitors of this pathway, has led to the clinical exploration of ATR and Chk1 inhibitors (ATRi/Chk1i) as anticancer therapies for single-agent or combinatorial application. The clinical efficacy of these therapies relies on the ability to ascertain which patient populations are most likely to benefit, so there is intense interest in identifying predictive biomarkers of response. To comprehensively evaluate the components that modulate cancer cell sensitivity to replication stress induced by Chk1i, we performed a synthetic-lethal drop-out screen in a cell line derived from a patient with triple-negative breast cancer (TNBC), using a pooled barcoded shRNA library targeting ~350 genes involved in DNA replication, DNA damage repair, and cycle progression. In addition, we sought to compare the relative requirement of these genes when DNA fidelity is challenged by clinically relevant anticancer breast cancer drugs, including cisplatin and PARP1/2 inhibitors, that have different mechanisms of action. This global comparison is critical for understanding not only which agents should be used together for combinatorial therapies in breast cancer patients, but also the genetic context in which these therapies will be most effective, and when a single-agent therapy will be sufficient to provide maximum therapeutic benefit to the patient. We identified unique potentiators of response to ATRi/Chk1i and describe a new role for components of the cytosolic iron-sulfur assembly (CIA) pathway, MMS19 and CIA2B-FAM96B, in replication stress tolerance of TNBC.
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Affiliation(s)
- Abena B. Redwood
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Xiaomei Zhang
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Sahil B. Seth
- grid.240145.60000 0001 2291 4776Institute of Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA ,grid.240145.60000 0001 2291 4776TRACTION Platform, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Zhongqi Ge
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA ,grid.240145.60000 0001 2291 4776Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Wendy E. Bindeman
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA ,grid.152326.10000 0001 2264 7217Present Address: Vanderbilt University, Department of Cancer Biology, Nashville, TN 37235 USA
| | - Xinhui Zhou
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Vidya C. Sinha
- grid.240145.60000 0001 2291 4776Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Timothy P. Heffernan
- grid.240145.60000 0001 2291 4776Institute of Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA ,grid.240145.60000 0001 2291 4776TRACTION Platform, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 USA
| | - Helen Piwnica-Worms
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
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30
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Hindi NN, Elsakrmy N, Ramotar D. The base excision repair process: comparison between higher and lower eukaryotes. Cell Mol Life Sci 2021; 78:7943-7965. [PMID: 34734296 PMCID: PMC11071731 DOI: 10.1007/s00018-021-03990-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 09/08/2021] [Accepted: 10/14/2021] [Indexed: 01/01/2023]
Abstract
The base excision repair (BER) pathway is essential for maintaining the stability of DNA in all organisms and defects in this process are associated with life-threatening diseases. It is involved in removing specific types of DNA lesions that are induced by both exogenous and endogenous genotoxic substances. BER is a multi-step mechanism that is often initiated by the removal of a damaged base leading to a genotoxic intermediate that is further processed before the reinsertion of the correct nucleotide and the restoration of the genome to a stable structure. Studies in human and yeast cells, as well as fruit fly and nematode worms, have played important roles in identifying the components of this conserved DNA repair pathway that maintains the integrity of the eukaryotic genome. This review will focus on the components of base excision repair, namely, the DNA glycosylases, the apurinic/apyrimidinic endonucleases, the DNA polymerase, and the ligases, as well as other protein cofactors. Functional insights into these conserved proteins will be provided from humans, Saccharomyces cerevisiae, Drosophila melanogaster, and Caenorhabditis elegans, and the implications of genetic polymorphisms and knockouts of the corresponding genes.
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Affiliation(s)
- Nagham Nafiz Hindi
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
| | - Noha Elsakrmy
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
| | - Dindial Ramotar
- Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar.
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31
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Rydz L, Wróbel M, Jurkowska H. Sulfur Administration in Fe-S Cluster Homeostasis. Antioxidants (Basel) 2021; 10:antiox10111738. [PMID: 34829609 PMCID: PMC8614886 DOI: 10.3390/antiox10111738] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 11/24/2022] Open
Abstract
Mitochondria are the key organelles of Fe–S cluster synthesis. They contain the enzyme cysteine desulfurase, a scaffold protein, iron and electron donors, and specific chaperons all required for the formation of Fe–S clusters. The newly formed cluster can be utilized by mitochondrial Fe–S protein synthesis or undergo further transformation. Mitochondrial Fe–S cluster biogenesis components are required in the cytosolic iron–sulfur cluster assembly machinery for cytosolic and nuclear cluster supplies. Clusters that are the key components of Fe–S proteins are vulnerable and prone to degradation whenever exposed to oxidative stress. However, once degraded, the Fe–S cluster can be resynthesized or repaired. It has been proposed that sulfurtransferases, rhodanese, and 3-mercaptopyruvate sulfurtransferase, responsible for sulfur transfer from donor to nucleophilic acceptor, are involved in the Fe–S cluster formation, maturation, or reconstitution. In the present paper, we attempt to sum up our knowledge on the involvement of sulfurtransferases not only in sulfur administration but also in the Fe–S cluster formation in mammals and yeasts, and on reconstitution-damaged cluster or restoration of enzyme’s attenuated activity.
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32
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Selvanathan A, Parayil Sankaran B. Mitochondrial iron-sulfur cluster biogenesis and neurological disorders. Mitochondrion 2021; 62:41-49. [PMID: 34687937 DOI: 10.1016/j.mito.2021.10.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/26/2021] [Accepted: 10/18/2021] [Indexed: 12/20/2022]
Abstract
Iron-sulfur clusters (ISCs) are highly conserved moieties embedded into numerous crucial proteins in almost all bacteria, plants and mammals. As such, ISC biosynthesis is critical to cellular function. The pathway was first characterized in bacteria by the late 1990s, and over the subsequent 20 years there has been increasing understanding of its components in humans. Defects in the ISC pathway are now associated with many different human disease states, such as Friedreich ataxia and ISCU myopathy. Whilst the disorders have variable clinical features, most involve neurological phenotypes. There are common biochemical signatures in most of these conditions, as a lack of ISCs causes deficiencies of target proteins including Complex I, II and III, aconitase and lipoic acid. This review focuses on the disorders of ISC biogenesis that have been described in the literature to-date. Key clinical, biochemical and neuroradiological features will be discussed, providing a reference point for clinicians diagnosing and managing these patients. Therapies are mostly supportive at this stage. However, the improved understanding of the pathophysiology of these conditions could pave the way for disease-modifying therapies in the near future.
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Affiliation(s)
- Arthavan Selvanathan
- Genetic Metabolic Disorders Service, The Children's Hospital at Westmead, Locked Bag 4001, Westmead, NSW, Australia
| | - Bindu Parayil Sankaran
- Genetic Metabolic Disorders Service, The Children's Hospital at Westmead, Locked Bag 4001, Westmead, NSW, Australia; Children's Hospital at Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Australia.
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33
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Shi R, Hou W, Wang ZQ, Xu X. Biogenesis of Iron-Sulfur Clusters and Their Role in DNA Metabolism. Front Cell Dev Biol 2021; 9:735678. [PMID: 34660592 PMCID: PMC8514734 DOI: 10.3389/fcell.2021.735678] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 09/06/2021] [Indexed: 12/02/2022] Open
Abstract
Iron–sulfur (Fe/S) clusters (ISCs) are redox-active protein cofactors that their synthesis, transfer, and insertion into target proteins require many components. Mitochondrial ISC assembly is the foundation of all cellular ISCs in eukaryotic cells. The mitochondrial ISC cooperates with the cytosolic Fe/S protein assembly (CIA) systems to accomplish the cytosolic and nuclear Fe/S clusters maturation. ISCs are needed for diverse cellular functions, including nitrogen fixation, oxidative phosphorylation, mitochondrial respiratory pathways, and ribosome assembly. Recent research advances have confirmed the existence of different ISCs in enzymes that regulate DNA metabolism, including helicases, nucleases, primases, DNA polymerases, and glycosylases. Here we outline the synthesis of mitochondrial, cytosolic and nuclear ISCs and highlight their functions in DNA metabolism.
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Affiliation(s)
- Ruifeng Shi
- Shenzhen University-Friedrich Schiller Universität Jena Joint Ph.D. Program in Biomedical Sciences, Shenzhen University School of Medicine, Shenzhen, China.,Guangdong Key Laboratory for Genome Stability and Disease Prevention and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, China
| | - Wenya Hou
- Guangdong Key Laboratory for Genome Stability and Disease Prevention and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, China
| | - Zhao-Qi Wang
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), Jena, Germany.,Faculty of Biological Sciences, Friedrich-Schiller-University Jena, Jena, Germany
| | - Xingzhi Xu
- Shenzhen University-Friedrich Schiller Universität Jena Joint Ph.D. Program in Biomedical Sciences, Shenzhen University School of Medicine, Shenzhen, China.,Guangdong Key Laboratory for Genome Stability and Disease Prevention and Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen, China
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34
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Zhang Z, Yang G, Fan F, Zhong C, Yuan Y, Zhang X, Chang S. Terahertz circular dichroism sensing of living cancer cells based on microstructure sensor. Anal Chim Acta 2021; 1180:338871. [PMID: 34538326 DOI: 10.1016/j.aca.2021.338871] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 12/15/2022]
Abstract
Terahertz (THz) waves have the advantages of being noninvasive and nonionizing because of their low radiation energy, so they have potential applications in the biomedical field, but thus far, those have been limited by the strong absorption in water and low detection sensitivity. Herein, we propose a reflective THz time-domain circular dichroism (CD) sensing system and a silicon subwavelength grating as the microstructure sensor to generate and detect the THz chiral polarization states, to realize quantitative detection of living cell numbers and qualitative identification of cell kinds in a liquid environment. Three kinds of hepatoma cell proliferation and inhibition with different concentrations of aspirin were measured by this sensing method, and the experimental results show that the sensitivities for CD resonance intensity and frequency shift can reach 3.44 dB mL/106 cells and 5.88 GHz mL/106 cells, respectively, and the minimum detection concentration is in the order of 104 cells/mL for THz detection in a liquid environment for the first time. This new THz sensing system and sensing method are expected to become a broadband, label-free, noncontact, real-time detection technology that can be used for quantitative detection and qualitative identification of cells or other active biochemical materials.
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Affiliation(s)
- Ziyang Zhang
- Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Tianjin, 300350, China
| | - Guang Yang
- Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Fei Fan
- Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Tianjin, 300350, China; Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Tianjin, 300350, China.
| | - Changzhi Zhong
- Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Tianjin, 300350, China
| | - Ying Yuan
- Department of Cancer Research, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Xiaodong Zhang
- Department of Cancer Research, College of Life Sciences, Nankai University, Tianjin, 300071, China; Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China.
| | - Shengjiang Chang
- Institute of Modern Optics, Nankai University, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Tianjin, 300350, China; Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Tianjin, 300350, China
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35
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Nan H, Kim YJ, Tsuchiya M, Fukao T, Hara N, Hagihara A, Nishioka K, Hattori N, Hara N, Ikeuchi T, Ohtsuka T, Takiyama Y. A Novel Heterozygous Missense Variant in the CIAO1 Gene in a Family with Alzheimer's Disease: The Val67Ile Variant Promotes the Interaction of CIAO1 and Amyloid-β Protein Precursor. J Alzheimers Dis 2021; 84:599-605. [PMID: 34569959 PMCID: PMC8673532 DOI: 10.3233/jad-210706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Familial dementia is a rare inherited disease involving progressive impairment of memory, thinking, and behavior. We report a novel heterozygous pathogenic variant (c.199G > A, p.Val67Ile) in the CIAO1 gene that appears to be co-segregated with Alzheimer’s disease in a Japanese family. Biochemical analysis of CIAO1 protein revealed that the variant increases the interaction of CIAO1 with immature amyloid-β protein precursor (AβPP), but not mature or soluble AβPP, indicating plausible CIAO1 involvement in AβPP processing. Our study indicates that a heterozygous variant in the CIAO1 gene may be closely related to autosomal dominant familial dementia.
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Affiliation(s)
- Haitian Nan
- Department of Neurology, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
| | - Yeon-Jeong Kim
- Department of Biochemistry, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
| | - Mai Tsuchiya
- Department of Neurology, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
| | - Toko Fukao
- Department of Neurology, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
| | - Noriko Hara
- Department of Internal Medicine, Minobusan Hospital, Yamanashi, Japan
| | - Atsushi Hagihara
- Department of Internal Medicine, Minobusan Hospital, Yamanashi, Japan
| | - Kenya Nishioka
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Norikazu Hara
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Takeshi Ikeuchi
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Toshihisa Ohtsuka
- Department of Biochemistry, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
| | - Yoshihisa Takiyama
- Department of Neurology, Graduate School of Medical Sciences, University of Yamanashi, Yamanashi, Japan
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36
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Petronek MS, Spitz DR, Allen BG. Iron-Sulfur Cluster Biogenesis as a Critical Target in Cancer. Antioxidants (Basel) 2021; 10:1458. [PMID: 34573089 PMCID: PMC8465902 DOI: 10.3390/antiox10091458] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 11/30/2022] Open
Abstract
Cancer cells preferentially accumulate iron (Fe) relative to non-malignant cells; however, the underlying rationale remains elusive. Iron-sulfur (Fe-S) clusters are critical cofactors that aid in a wide variety of cellular functions (e.g., DNA metabolism and electron transport). In this article, we theorize that a differential need for Fe-S biogenesis in tumor versus non-malignant cells underlies the Fe-dependent cell growth demand of cancer cells to promote cell division and survival by promoting genomic stability via Fe-S containing DNA metabolic enzymes. In this review, we outline the complex Fe-S biogenesis process and its potential upregulation in cancer. We also discuss three therapeutic strategies to target Fe-S biogenesis: (i) redox manipulation, (ii) Fe chelation, and (iii) Fe mimicry.
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Affiliation(s)
- Michael S. Petronek
- Department of Radiation Oncology, Division of Free Radical and Radiation Biology, The University of Iowa Hospitals and Clinics, Iowa City, IA 52242-1181, USA;
- Holden Comprehensive Cancer Center, Free Radical and Radiation Biology Program, Department of Radiation Oncology, University of Iowa, Iowa City, IA 52242-1181, USA
| | - Douglas R. Spitz
- Department of Radiation Oncology, Division of Free Radical and Radiation Biology, The University of Iowa Hospitals and Clinics, Iowa City, IA 52242-1181, USA;
- Holden Comprehensive Cancer Center, Free Radical and Radiation Biology Program, Department of Radiation Oncology, University of Iowa, Iowa City, IA 52242-1181, USA
| | - Bryan G. Allen
- Department of Radiation Oncology, Division of Free Radical and Radiation Biology, The University of Iowa Hospitals and Clinics, Iowa City, IA 52242-1181, USA;
- Holden Comprehensive Cancer Center, Free Radical and Radiation Biology Program, Department of Radiation Oncology, University of Iowa, Iowa City, IA 52242-1181, USA
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37
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Kiktev DA, Dominska M, Zhang T, Dahl J, Stepchenkova EI, Mieczkowski P, Burgers PM, Lujan S, Burkholder A, Kunkel TA, Petes TD. The fidelity of DNA replication, particularly on GC-rich templates, is reduced by defects of the Fe-S cluster in DNA polymerase δ. Nucleic Acids Res 2021; 49:5623-5636. [PMID: 34019669 PMCID: PMC8191807 DOI: 10.1093/nar/gkab371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/22/2021] [Accepted: 05/16/2021] [Indexed: 11/12/2022] Open
Abstract
Iron-sulfur clusters (4Fe–4S) exist in many enzymes concerned with DNA replication and repair. The contribution of these clusters to enzymatic activity is not fully understood. We identified the MET18 (MMS19) gene of Saccharomyces cerevisiae as a strong mutator on GC-rich genes. Met18p is required for the efficient insertion of iron-sulfur clusters into various proteins. met18 mutants have an elevated rate of deletions between short flanking repeats, consistent with increased DNA polymerase slippage. This phenotype is very similar to that observed in mutants of POL3 (encoding the catalytic subunit of Pol δ) that weaken binding of the iron-sulfur cluster. Comparable mutants of POL2 (Pol ϵ) do not elevate deletions. Further support for the conclusion that met18 strains result in impaired DNA synthesis by Pol δ are the observations that Pol δ isolated from met18 strains has less bound iron and is less processive in vitro than the wild-type holoenzyme.
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Affiliation(s)
- Denis A Kiktev
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Margaret Dominska
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Tony Zhang
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Joseph Dahl
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Elena I Stepchenkova
- Department of Genetics and Biotechnology, Saint-Petersburg State University, St. Petersburg, Russia.,Vavilov Institute of General Genetics, Saint-Petersburg Branch, Russian Academy of Sciences, St. Petersburg, Russia
| | - Piotr Mieczkowski
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7264, USA
| | - Peter M Burgers
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Scott Lujan
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Adam Burkholder
- Office of Environmental Science Cyberinfrastructure, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Thomas A Kunkel
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Thomas D Petes
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA
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38
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Lill R. From the discovery to molecular understanding of cellular iron-sulfur protein biogenesis. Biol Chem 2021; 401:855-876. [PMID: 32229650 DOI: 10.1515/hsz-2020-0117] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 03/10/2020] [Indexed: 12/23/2022]
Abstract
Protein cofactors often are the business ends of proteins, and are either synthesized inside cells or are taken up from the nutrition. A cofactor that strictly needs to be synthesized by cells is the iron-sulfur (Fe/S) cluster. This evolutionary ancient compound performs numerous biochemical functions including electron transfer, catalysis, sulfur mobilization, regulation and protein stabilization. Since the discovery of eukaryotic Fe/S protein biogenesis two decades ago, more than 30 biogenesis factors have been identified in mitochondria and cytosol. They support the synthesis, trafficking and target-specific insertion of Fe/S clusters. In this review, I first summarize what led to the initial discovery of Fe/S protein biogenesis in yeast. I then discuss the function and localization of Fe/S proteins in (non-green) eukaryotes. The major part of the review provides a detailed synopsis of the three major steps of mitochondrial Fe/S protein biogenesis, i.e. the de novo synthesis of a [2Fe-2S] cluster on a scaffold protein, the Hsp70 chaperone-mediated transfer of the cluster and integration into [2Fe-2S] recipient apoproteins, and the reductive fusion of [2Fe-2S] to [4Fe-4S] clusters and their subsequent assembly into target apoproteins. Finally, I summarize the current knowledge of the mechanisms underlying the maturation of cytosolic and nuclear Fe/S proteins.
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Affiliation(s)
- Roland Lill
- Institut für Zytobiologie, Philipps-Universität Marburg, Robert-Koch-Str. 6, D-35032 Marburg, Germany.,SYNMIKRO Center for Synthetic Microbiology, Philipps-Universität Marburg, Hans-Meerwein-Str., D-35043 Marburg, Germany
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39
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Maio N, Lafont BAP, Sil D, Li Y, Bollinger JM, Krebs C, Pierson TC, Linehan WM, Rouault TA. Fe-S cofactors in the SARS-CoV-2 RNA-dependent RNA polymerase are potential antiviral targets. Science 2021; 373:236-241. [PMID: 34083449 PMCID: PMC8892629 DOI: 10.1126/science.abi5224] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/28/2021] [Indexed: 01/18/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causal agent of COVID-19, uses an RNA-dependent RNA polymerase (RdRp) for the replication of its genome and the transcription of its genes. We found that the catalytic subunit of the RdRp, nsp12, ligates two iron-sulfur metal cofactors in sites that were modeled as zinc centers in the available cryo-electron microscopy structures of the RdRp complex. These metal binding sites are essential for replication and for interaction with the viral helicase. Oxidation of the clusters by the stable nitroxide TEMPOL caused their disassembly, potently inhibited the RdRp, and blocked SARS-CoV-2 replication in cell culture. These iron-sulfur clusters thus serve as cofactors for the SARS-CoV-2 RdRp and are targets for therapy of COVID-19.
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Affiliation(s)
- Nunziata Maio
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Bernard A P Lafont
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Debangsu Sil
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
| | - Yan Li
- Proteomics Core Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - J Martin Bollinger
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA.,Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Carsten Krebs
- Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA.,Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Theodore C Pierson
- Laboratory of Viral Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - W Marston Linehan
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Tracey A Rouault
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.
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40
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Sillo F, Garbelotto M, Giordano L, Gonthier P. Genic introgression from an invasive exotic fungal forest pathogen increases the establishment potential of a sibling native pathogen. NEOBIOTA 2021. [DOI: 10.3897/neobiota.65.64031] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Significant hybridization between the invasive North American fungal plant pathogen Heterobasidion irregulare and its Eurasian sister species H. annosum is ongoing in Italy. Whole genomes of nine natural hybrids were sequenced, assembled and compared with those of three genotypes each of the two parental species. Genetic relationships among hybrids and their level of admixture were determined. A multi-approach pipeline was used to assign introgressed genomic blocks to each of the two species. Alleles that introgressed from H. irregulare to H. annosum were associated with pathways putatively related to saprobic processes, while alleles that introgressed from the native to the invasive species were mainly linked to gene regulation. There was no overlap of allele categories introgressed in the two directions. Phenotypic experiments documented a fitness increase in H. annosum genotypes characterized by introgression of alleles from the invasive species, supporting the hypothesis that hybridization results in putatively adaptive introgression. Conversely, introgression from the native into the exotic species appeared to be driven by selection on genes favoring genome stability. Since the introgression of specific alleles from the exotic H. irregulare into the native H. annosum increased the invasiveness of the latter species, we propose that two invasions may be co-occurring: the first one by genotypes of the exotic species, and the second one by alleles belonging to the exotic species. Given that H. irregulare represents a threat to European forests, monitoring programs need to track not only exotic genotypes in native forest stands, but also exotic alleles introgressed in native genotypes.
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41
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Su M, Zhang Z, Zhou L, Han C, Huang C, Nice EC. Proteomics, Personalized Medicine and Cancer. Cancers (Basel) 2021; 13:2512. [PMID: 34063807 PMCID: PMC8196570 DOI: 10.3390/cancers13112512] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/12/2021] [Accepted: 05/17/2021] [Indexed: 02/05/2023] Open
Abstract
As of 2020 the human genome and proteome are both at >90% completion based on high stringency analyses. This has been largely achieved by major technological advances over the last 20 years and has enlarged our understanding of human health and disease, including cancer, and is supporting the current trend towards personalized/precision medicine. This is due to improved screening, novel therapeutic approaches and an increased understanding of underlying cancer biology. However, cancer is a complex, heterogeneous disease modulated by genetic, molecular, cellular, tissue, population, environmental and socioeconomic factors, which evolve with time. In spite of recent advances in treatment that have resulted in improved patient outcomes, prognosis is still poor for many patients with certain cancers (e.g., mesothelioma, pancreatic and brain cancer) with a high death rate associated with late diagnosis. In this review we overview key hallmarks of cancer (e.g., autophagy, the role of redox signaling), current unmet clinical needs, the requirement for sensitive and specific biomarkers for early detection, surveillance, prognosis and drug monitoring, the role of the microbiome and the goals of personalized/precision medicine, discussing how emerging omics technologies can further inform on these areas. Exemplars from recent onco-proteogenomic-related publications will be given. Finally, we will address future perspectives, not only from the standpoint of perceived advances in treatment, but also from the hurdles that have to be overcome.
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Affiliation(s)
- Miao Su
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; (M.S.); (Z.Z.); (L.Z.); (C.H.)
| | - Zhe Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; (M.S.); (Z.Z.); (L.Z.); (C.H.)
| | - Li Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; (M.S.); (Z.Z.); (L.Z.); (C.H.)
| | - Chao Han
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; (M.S.); (Z.Z.); (L.Z.); (C.H.)
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China; (M.S.); (Z.Z.); (L.Z.); (C.H.)
| | - Edouard C. Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
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42
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Prusty NR, Camponeschi F, Ciofi-Baffoni S, Banci L. The human YAE1-ORAOV1 complex of the cytosolic iron-sulfur protein assembly machinery binds a [4Fe-4S] cluster. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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43
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Wendimu MY, Alqinyah M, Vella S, Dean P, Almutairi F, Davila-Rivera R, Rayatpisheh S, Wohlschlegel J, Moreno S, Hooks SB. RGS10 physically and functionally interacts with STIM2 and requires store-operated calcium entry to regulate pro-inflammatory gene expression in microglia. Cell Signal 2021; 83:109974. [PMID: 33705894 DOI: 10.1016/j.cellsig.2021.109974] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 02/19/2021] [Accepted: 03/04/2021] [Indexed: 01/14/2023]
Abstract
Chronic activation of microglia is a driving factor in the progression of neuroinflammatory diseases, and mechanisms that regulate microglial inflammatory signaling are potential targets for novel therapeutics. Regulator of G protein Signaling 10 is the most abundant RGS protein in microglia, where it suppresses inflammatory gene expression and reduces microglia-mediated neurotoxicity. In particular, microglial RGS10 downregulates the expression of pro-inflammatory mediators including cyclooxygenase 2 (COX-2) following stimulation with lipopolysaccharide (LPS). However, the mechanism by which RGS10 affects inflammatory signaling is unknown and is independent of its canonical G protein targeted mechanism. Here, we sought to identify non-canonical RGS10 interacting partners that mediate its anti-inflammatory mechanism. Through RGS10 co-immunoprecipitation coupled with mass spectrometry, we identified STIM2, an endoplasmic reticulum (ER) localized calcium sensor and a component of the store-operated calcium entry (SOCE) machinery, as a novel RGS10 interacting protein in microglia. Direct immunoprecipitation experiments confirmed RGS10-STIM2 interaction in multiple microglia and macrophage cell lines, as well as in primary cells, with no interaction observed with the homologue STIM1. We further determined that STIM2, Orai channels, and the calcium-dependent phosphatase calcineurin are essential for LPS-induced COX-2 production in microglia, and this pathway is required for the inhibitory effect of RGS10 on COX-2. Additionally, our data demonstrated that RGS10 suppresses SOCE triggered by ER calcium depletion and that ER calcium depletion, which induces SOCE, amplifies pro-inflammatory genes. In addition to COX-2, we also show that RGS10 suppresses the expression of pro-inflammatory cytokines in microglia in response to thrombin and LPS stimulation, and all of these effects require SOCE. Collectively, the physical and functional links between RGS10 and STIM2 suggest a complex regulatory network connecting RGS10, SOCE, and pro-inflammatory gene expression in microglia, with broad implications in the pathogenesis and treatment of chronic neuroinflammation.
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Affiliation(s)
- Menbere Y Wendimu
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America
| | - Mohammed Alqinyah
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America
| | - Stephen Vella
- Department of Cellular Biology, University of Georgia, Athens, GA 30602, United States of America
| | - Phillip Dean
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America
| | - Faris Almutairi
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America
| | - Roseanne Davila-Rivera
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America
| | - Shima Rayatpisheh
- Department of Biological Chemistry, University of California, Los Angeles 90095, United States of America
| | - James Wohlschlegel
- Department of Biological Chemistry, University of California, Los Angeles 90095, United States of America
| | - Silvia Moreno
- Department of Cellular Biology, University of Georgia, Athens, GA 30602, United States of America
| | - Shelley B Hooks
- From the Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, GA 30602, United States of America.
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44
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Fuchs J, Cheblal A, Gasser SM. Underappreciated Roles of DNA Polymerase δ in Replication Stress Survival. Trends Genet 2021; 37:476-487. [PMID: 33608117 DOI: 10.1016/j.tig.2020.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 01/06/2023]
Abstract
Recent structural analysis of Fe-S centers in replication proteins and insights into the structure and function of DNA polymerase δ (DNA Pol δ) subunits have shed light on the key role played by this polymerase at replication forks under stress. The sequencing of cancer genomes reveals multiple point mutations that compromise the activity of POLD1, the DNA Pol δ catalytic subunit, whereas the loci encoding the accessory subunits POLD2 and POLD3 are amplified in a very high proportion of human tumors. Consistently, DNA Pol δ is key for the survival of replication stress and is involved in multiple long-patch repair pathways. Synthetic lethality arises from compromising the function and availability of the noncatalytic subunits of DNA Pol δ under conditions of replication stress, opening the door to novel therapies.
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Affiliation(s)
- Jeannette Fuchs
- Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland
| | - Anais Cheblal
- Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland; Faculty of Sciences, University of Basel, Klingelbergstrasse 90, CH-4056 Basel, Switzerland
| | - Susan M Gasser
- Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland; Faculty of Sciences, University of Basel, Klingelbergstrasse 90, CH-4056 Basel, Switzerland.
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45
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Rosenbach H, Walla E, Cutsail GE, Birrell JA, Pascual-Ortiz M, DeBeer S, Fleig U, Span I. The Asp1 pyrophosphatase from S. pombe hosts a [2Fe-2S] 2+ cluster in vivo. J Biol Inorg Chem 2021; 26:93-108. [PMID: 33544225 PMCID: PMC8038993 DOI: 10.1007/s00775-020-01840-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/29/2020] [Indexed: 11/25/2022]
Abstract
The Schizosaccharomyces pombe Asp1 protein is a bifunctional kinase/pyrophosphatase that belongs to the highly conserved eukaryotic diphosphoinositol pentakisphosphate kinase PPIP5K/Vip1 family. The N-terminal Asp1 kinase domain generates specific high-energy inositol pyrophosphate (IPP) molecules, which are hydrolyzed by the C-terminal Asp1 pyrophosphatase domain (Asp1365-920). Thus, Asp1 activities regulate the intracellular level of a specific class of IPP molecules, which control a wide number of biological processes ranging from cell morphogenesis to chromosome transmission. Recently, it was shown that chemical reconstitution of Asp1371-920 leads to the formation of a [2Fe-2S] cluster; however, the biological relevance of the cofactor remained under debate. In this study, we provide evidence for the presence of the Fe-S cluster in Asp1365-920 inside the cell. However, we show that the Fe-S cluster does not influence Asp1 pyrophosphatase activity in vitro or in vivo. Characterization of the as-isolated protein by electronic absorption spectroscopy, mass spectrometry, and X-ray absorption spectroscopy is consistent with the presence of a [2Fe-2S]2+ cluster in the enzyme. Furthermore, we have identified the cysteine ligands of the cluster. Overall, our work reveals that Asp1 contains an Fe-S cluster in vivo that is not involved in its pyrophosphatase activity.
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Affiliation(s)
- Hannah Rosenbach
- Institut Für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Eva Walla
- Lehrstuhl Für Funktionelle Genomforschung Der Mikroorganismen, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - George E Cutsail
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim an der Ruhr, Germany
| | - James A Birrell
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim an der Ruhr, Germany
| | - Marina Pascual-Ortiz
- Department of Biomedical Sciences, Faculty of Health Sciences, Universidad Cardenal Herrera, CEU Universities, 46113, Valencia, Spain
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470, Mülheim an der Ruhr, Germany
| | - Ursula Fleig
- Lehrstuhl Für Funktionelle Genomforschung Der Mikroorganismen, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany.
| | - Ingrid Span
- Institut Für Physikalische Biologie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany.
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Yang G, Yuan Y, Yuan H, Wang J, Yun H, Geng Y, Zhao M, Li L, Weng Y, Liu Z, Feng J, Bu Y, Liu L, Wang B, Zhang X. Histone acetyltransferase 1 is a succinyltransferase for histones and non-histones and promotes tumorigenesis. EMBO Rep 2021; 22:e50967. [PMID: 33372411 PMCID: PMC7857430 DOI: 10.15252/embr.202050967] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 11/13/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022] Open
Abstract
Lysine succinylation (Ksucc) is an evolutionarily conserved and widespread post-translational modification. Histone acetyltransferase 1 (HAT1) is a type B histone acetyltransferase, regulating the acetylation of both histone and non-histone proteins. However, the role of HAT1 in succinylation modulation remains unclear. Here, we employ a quantitative proteomics approach to study succinylation in HepG2 cancer cells and find that HAT1 modulates lysine succinylation on various proteins including histones and non-histones. HAT1 succinylates histone H3 on K122, contributing to epigenetic regulation and gene expression in cancer cells. Moreover, HAT1 catalyzes the succinylation of PGAM1 on K99, resulting in its increased enzymatic activity and the stimulation of glycolytic flux in cancer cells. Clinically, HAT1 is significantly elevated in liver cancer, pancreatic cancer, and cholangiocarcinoma tissues. Functionally, HAT1 succinyltransferase activity and the succinylation of PGAM1 by HAT1 play critical roles in promoting tumor progression in vitro and in vivo. Thus, we conclude that HAT1 is a succinyltransferase for histones and non-histones in tumorigenesis.
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Affiliation(s)
- Guang Yang
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Ying Yuan
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Hongfeng Yuan
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Jiapei Wang
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Haolin Yun
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Yu Geng
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Man Zhao
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Linhan Li
- Jingjie PTM BioLab Co. Ltd.Hangzhou Economic and Technological Development AreaHangzhouChina
| | - Yejing Weng
- Jingjie PTM BioLab Co. Ltd.Hangzhou Economic and Technological Development AreaHangzhouChina
| | - Zixian Liu
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Jinyan Feng
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Yanan Bu
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Lei Liu
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
| | - Bingnan Wang
- Jingjie PTM BioLab Co. Ltd.Hangzhou Economic and Technological Development AreaHangzhouChina
| | - Xiaodong Zhang
- Department of Cancer ResearchInstitute of Molecular BiologyCollege of Life SciencesNankai UniversityTianjinChina
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RBBP6 interactome: RBBP6 isoform 3/DWNN and Nek6 interaction is critical for cell cycle regulation and may play a role in carcinogenesis. INFORMATICS IN MEDICINE UNLOCKED 2021. [DOI: 10.1016/j.imu.2021.100522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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48
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Guttery DS, Ramaprasad A, Ferguson DJP, Zeeshan M, Pandey R, Brady D, Holder AA, Pain A, Tewari R. MRE11 Is Crucial for Malaria Parasite Transmission and Its Absence Affects Expression of Interconnected Networks of Key Genes Essential for Life. Cells 2020; 9:E2590. [PMID: 33287434 PMCID: PMC7761864 DOI: 10.3390/cells9122590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 11/16/2022] Open
Abstract
The meiotic recombination 11 protein (MRE11) plays a key role in DNA damage response and maintenance of genome stability. However, little is known about its function during development of the malaria parasite Plasmodium. Here, we present a functional, ultrastructural and transcriptomic analysis of Plasmodium parasites lacking MRE11 during its life cycle in both mammalian and mosquito vector hosts. Genetic disruption of Plasmodium berghei mre11 (PbMRE11) results in significant retardation of oocyst development in the mosquito midgut associated with cytoplasmic and nuclear degeneration, along with concomitant ablation of sporogony and subsequent parasite transmission. Further, absence of PbMRE11 results in significant transcriptional downregulation of genes involved in key interconnected biological processes that are fundamental to all eukaryotic life including ribonucleoprotein biogenesis, spliceosome function and iron-sulfur cluster assembly. Overall, our study provides a comprehensive functional analysis of MRE11's role in Plasmodium development during the mosquito stages and offers a potential target for therapeutic intervention during malaria parasite transmission.
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Affiliation(s)
- David S. Guttery
- Queens Medical Centre, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; (M.Z.); (R.P.); (D.B.)
| | - Abhinay Ramaprasad
- Biological and Environmental Sciences and Engineering (BESE) Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia; (A.R.); (A.P.)
- The Francis Crick Institute, London NW1 1AT, UK;
| | - David J. P. Ferguson
- Nuffield Department of Clinical Laboratory Science, University of Oxford, John Radcliffe Hospital, Oxford OX1 2JD, UK;
- Department Biological & Medical Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Mohammad Zeeshan
- Queens Medical Centre, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; (M.Z.); (R.P.); (D.B.)
| | - Rajan Pandey
- Queens Medical Centre, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; (M.Z.); (R.P.); (D.B.)
| | - Declan Brady
- Queens Medical Centre, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; (M.Z.); (R.P.); (D.B.)
| | | | - Arnab Pain
- Biological and Environmental Sciences and Engineering (BESE) Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia; (A.R.); (A.P.)
- Nuffield Department of Clinical Laboratory Science, University of Oxford, John Radcliffe Hospital, Oxford OX1 2JD, UK;
- Research Center for Zoonosis Control, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Sapporo 060-0808, Japan
| | - Rita Tewari
- Queens Medical Centre, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK; (M.Z.); (R.P.); (D.B.)
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49
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Hsu MY, Mina E, Roetto A, Porporato PE. Iron: An Essential Element of Cancer Metabolism. Cells 2020; 9:cells9122591. [PMID: 33287315 PMCID: PMC7761773 DOI: 10.3390/cells9122591] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/24/2020] [Accepted: 11/30/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer cells undergo considerable metabolic changes to foster uncontrolled proliferation in a hostile environment characterized by nutrient deprivation, poor vascularization and immune infiltration. While metabolic reprogramming has been recognized as a hallmark of cancer, the role of micronutrients in shaping these adaptations remains scarcely investigated. In particular, the broad electron-transferring abilities of iron make it a versatile cofactor that is involved in a myriad of biochemical reactions vital to cellular homeostasis, including cell respiration and DNA replication. In cancer patients, systemic iron metabolism is commonly altered. Moreover, cancer cells deploy diverse mechanisms to increase iron bioavailability to fuel tumor growth. Although iron itself can readily participate in redox reactions enabling vital processes, its reactivity also gives rise to reactive oxygen species (ROS). Hence, cancer cells further rely on antioxidant mechanisms to withstand such stress. The present review provides an overview of the common alterations of iron metabolism occurring in cancer and the mechanisms through which iron promotes tumor growth.
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Affiliation(s)
- Myriam Y. Hsu
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Turin, Italy; (M.Y.H.); (E.M.)
| | - Erica Mina
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Turin, Italy; (M.Y.H.); (E.M.)
| | - Antonella Roetto
- Department of Clinical and Biological Science, University of Turin, AOU San Luigi Gonzaga, 10043 Orbassano, Italy
- Correspondence: (A.R.); (P.E.P.)
| | - Paolo E. Porporato
- Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Turin, Italy; (M.Y.H.); (E.M.)
- Correspondence: (A.R.); (P.E.P.)
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50
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Florke Gee RR, Chen H, Lee AK, Daly CA, Wilander BA, Fon Tacer K, Potts PR. Emerging roles of the MAGE protein family in stress response pathways. J Biol Chem 2020; 295:16121-16155. [PMID: 32921631 PMCID: PMC7681028 DOI: 10.1074/jbc.rev120.008029] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 09/08/2020] [Indexed: 12/21/2022] Open
Abstract
The melanoma antigen (MAGE) proteins all contain a MAGE homology domain. MAGE genes are conserved in all eukaryotes and have expanded from a single gene in lower eukaryotes to ∼40 genes in humans and mice. Whereas some MAGEs are ubiquitously expressed in tissues, others are expressed in only germ cells with aberrant reactivation in multiple cancers. Much of the initial research on MAGEs focused on exploiting their antigenicity and restricted expression pattern to target them with cancer immunotherapy. Beyond their potential clinical application and role in tumorigenesis, recent studies have shown that MAGE proteins regulate diverse cellular and developmental pathways, implicating them in many diseases besides cancer, including lung, renal, and neurodevelopmental disorders. At the molecular level, many MAGEs bind to E3 RING ubiquitin ligases and, thus, regulate their substrate specificity, ligase activity, and subcellular localization. On a broader scale, the MAGE genes likely expanded in eutherian mammals to protect the germline from environmental stress and aid in stress adaptation, and this stress tolerance may explain why many cancers aberrantly express MAGEs Here, we present an updated, comprehensive review on the MAGE family that highlights general characteristics, emphasizes recent comparative studies in mice, and describes the diverse functions exerted by individual MAGEs.
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Affiliation(s)
- Rebecca R Florke Gee
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA; Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Helen Chen
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Anna K Lee
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Christina A Daly
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA; Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Benjamin A Wilander
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA; Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Klementina Fon Tacer
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA; School of Veterinary Medicine, Texas Tech University, Amarillo, Texas, USA.
| | - Patrick Ryan Potts
- Cell and Molecular Biology Department, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
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