1
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Jiang X, Baig AH, Palazzo G, Del Pizzo R, Bortecen T, Groessl S, Zaal EA, Amaya Ramirez CC, Kowar A, Aviles-Huerta D, Berkers CR, Palm W, Tschaharganeh D, Krijgsveld J, Loayza-Puch F. P53-dependent hypusination of eIF5A affects mitochondrial translation and senescence immune surveillance. Nat Commun 2024; 15:7458. [PMID: 39198484 PMCID: PMC11358140 DOI: 10.1038/s41467-024-51901-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/19/2024] [Indexed: 09/01/2024] Open
Abstract
Cellular senescence is characterized by a permanent growth arrest and is associated with tissue aging and cancer. Senescent cells secrete a number of different cytokines referred to as the senescence-associated secretory phenotype (SASP), which impacts the surrounding tissue and immune response. Here, we find that senescent cells exhibit higher rates of protein synthesis compared to proliferating cells and identify eIF5A as a crucial regulator of this process. Polyamine metabolism and hypusination of eIF5A play a pivotal role in sustaining elevated levels of protein synthesis in senescent cells. Mechanistically, we identify a p53-dependent program in senescent cells that maintains hypusination levels of eIF5A. Finally, we demonstrate that functional eIF5A is required for synthesizing mitochondrial ribosomal proteins and monitoring the immune clearance of premalignant senescent cells in vivo. Our findings establish an important role of protein synthesis during cellular senescence and suggest a link between eIF5A, polyamine metabolism, and senescence immune surveillance.
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Affiliation(s)
- Xiangli Jiang
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
- Department of Thoracic Oncology, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Ali Hyder Baig
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
| | - Giuliana Palazzo
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
| | - Rossella Del Pizzo
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
| | - Toman Bortecen
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
- Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sven Groessl
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
- Division of Cell Signaling and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Esther A Zaal
- Division of Cell Biology, Metabolism and Cancer, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, CL, Utrecht, The Netherlands
| | - Cinthia Claudia Amaya Ramirez
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
| | - Alexander Kowar
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
| | - Daniela Aviles-Huerta
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany
- Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
| | - Celia R Berkers
- Division of Cell Biology, Metabolism and Cancer, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, CL, Utrecht, The Netherlands
| | - Wilhelm Palm
- Division of Cell Signaling and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Darjus Tschaharganeh
- Cell Plasticity and Epigenetic Remodeling, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Jeroen Krijgsveld
- Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Medical Faculty, University of Heidelberg, Heidelberg, Germany
| | - Fabricio Loayza-Puch
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany, Heidelberg, Germany.
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2
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Gianazza E, Brioschi M, Eligini S, Banfi C. Mass spectrometry for the study of adipocyte cell secretome in cardiovascular diseases. MASS SPECTROMETRY REVIEWS 2024; 43:752-781. [PMID: 36161723 DOI: 10.1002/mas.21812] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/04/2022] [Accepted: 09/03/2022] [Indexed: 06/16/2023]
Abstract
Adipose tissue is classically considered the primary site of lipid storage, but in recent years has garnered appreciation for its broad role as an endocrine organ, capable of remotely signaling to other tissues to alter their metabolic program. The adipose tissue is now recognized as a crucial regulator of cardiovascular health, mediated by the secretion of several bioactive products, with a wide range of endocrine and paracrine effects on the cardiovascular system. Thanks to the development and improvement of high-throughput mass spectrometry, the size and components of the human secretome have been characterized. In this review, we summarized the recent advances in mass spectrometry-based studies of the cell and tissue secretome for the understanding of adipose tissue biology, which may help to decipher the complex molecular mechanisms controlling the crosstalk between the adipose tissue and the cardiovascular system, and their possible clinical translation.
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Affiliation(s)
- Erica Gianazza
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Maura Brioschi
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Sonia Eligini
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
| | - Cristina Banfi
- Centro Cardiologico Monzino IRCCS, Unit of Functional Proteomics, Metabolomics and Network Analysis, Milan, Italy
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3
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Enström A, Carlsson R, Buizza C, Lewi M, Paul G. Pericyte-Specific Secretome Profiling in Hypoxia Using TurboID in a Multicellular in Vitro Spheroid Model. Mol Cell Proteomics 2024; 23:100782. [PMID: 38705386 PMCID: PMC11176767 DOI: 10.1016/j.mcpro.2024.100782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 04/09/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024] Open
Abstract
Cellular communication within the brain is imperative for maintaining homeostasis and mounting effective responses to pathological triggers like hypoxia. However, a comprehensive understanding of the precise composition and dynamic release of secreted molecules has remained elusive, confined primarily to investigations using isolated monocultures. To overcome these limitations, we utilized the potential of TurboID, a non-toxic biotin ligation enzyme, to capture and enrich secreted proteins specifically originating from human brain pericytes in spheroid cocultures with human endothelial cells and astrocytes. This approach allowed us to characterize the pericyte secretome within a more physiologically relevant multicellular setting encompassing the constituents of the blood-brain barrier. Through a combination of mass spectrometry and multiplex immunoassays, we identified a wide spectrum of different secreted proteins by pericytes. Our findings demonstrate that the pericytes secretome is profoundly shaped by their intercellular communication with other blood-brain barrier-residing cells. Moreover, we identified substantial differences in the secretory profiles between hypoxic and normoxic pericytes. Mass spectrometry analysis showed that hypoxic pericytes in coculture increase their release of signals related to protein secretion, mTOR signaling, and the complement system, while hypoxic pericytes in monocultures showed an upregulation in proliferative pathways including G2M checkpoints, E2F-, and Myc-targets. In addition, hypoxic pericytes show an upregulation of proangiogenic proteins such as VEGFA but display downregulation of canonical proinflammatory cytokines such as CXCL1, MCP-1, and CXCL6. Understanding the specific composition of secreted proteins in the multicellular brain microvasculature is crucial for advancing our knowledge of brain homeostasis and the mechanisms underlying pathology. This study has implications for the identification of targeted therapeutic strategies aimed at modulating microvascular signaling in brain pathologies associated with hypoxia.
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Affiliation(s)
- Andreas Enström
- Translational Neurology Group, Department of Clinical Science, Lund University, Lund, Sweden
| | - Robert Carlsson
- Translational Neurology Group, Department of Clinical Science, Lund University, Lund, Sweden
| | - Carolina Buizza
- Translational Neurology Group, Department of Clinical Science, Lund University, Lund, Sweden
| | - Marvel Lewi
- Translational Neurology Group, Department of Clinical Science, Lund University, Lund, Sweden
| | - Gesine Paul
- Translational Neurology Group, Department of Clinical Science, Lund University, Lund, Sweden; Department of Neurology, Scania University Hospital, Lund, Sweden; Wallenberg Centre for Molecular Medicine, Lund University, Lund, Sweden.
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4
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Baeza J, Coons BE, Lin Z, Riley J, Mendoza M, Peranteau WH, Garcia BA. In utero pulse injection of isotopic amino acids quantifies protein turnover rates during murine fetal development. CELL REPORTS METHODS 2024; 4:100713. [PMID: 38412836 PMCID: PMC10921036 DOI: 10.1016/j.crmeth.2024.100713] [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: 05/12/2023] [Revised: 12/20/2023] [Accepted: 01/29/2024] [Indexed: 02/29/2024]
Abstract
Protein translational control is critical for ensuring that the fetus develops correctly and that necessary organs and tissues are formed and functional. We developed an in utero method to quantify tissue-specific protein dynamics by monitoring amino acid incorporation into the proteome after pulse injection. Fetuses of pregnant mice were injected with isotopically labeled lysine and arginine via the vitelline vein at various embyonic days, and organs and tissues were harvested. By analyzing the nascent proteome, unique signatures of each tissue were identified by hierarchical clustering. In addition, the quantified proteome-wide turnover rates were calculated between 3.81E-5 and 0.424 h-1. We observed similar protein turnover profiles for analyzed organs (e.g., liver vs. brain); however, their distributions of turnover rates vary significantly. The translational kinetic profiles of developing organs displayed differentially expressed protein pathways and synthesis rates, which correlated with known physiological changes during mouse development.
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Affiliation(s)
- Josue Baeza
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Barbara E Coons
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Zongtao Lin
- Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - John Riley
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Mariel Mendoza
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - William H Peranteau
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
| | - Benjamin A Garcia
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis, St. Louis, MO 63110, USA.
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5
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Wang R, Ren C, Gao T, Li H, Bo X, Zhu D, Zhang D, Chen H, Zhang Y. SEPDB: a database of secreted proteins. Database (Oxford) 2024; 2024:baae007. [PMID: 38345567 PMCID: PMC10878045 DOI: 10.1093/database/baae007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/14/2023] [Accepted: 01/24/2024] [Indexed: 02/15/2024]
Abstract
Detecting changes in the dynamics of secreted proteins in serum has been a challenge for proteomics. Enter secreted protein database (SEPDB), an integrated secretory proteomics database offering human, mouse and rat secretory proteomics datasets collected from serum, exosomes and cell culture media. SEPDB compiles secreted protein information from secreted protein database, UniProt and Human Protein Atlas databases to annotate secreted proteomics data based on protein subcellular localization and disease markers. SEPDB integrates the latest predictive modeling techniques to measure deviations in the distribution of signal peptide structures of secreted proteins, extends signal peptide sequence prediction by excluding transmembrane structural domain proteins and updates the validation analysis pipeline for secreted proteins. To establish tissue-specific profiles, we have also created secreted proteomics datasets associated with different human tissues. In addition, we provide information on heterogeneous receptor network organizational relationships, reflective of the complex functional information inherent in the molecular structures of secreted proteins that serve as ligands. Users can take advantage of the Refreshed Search, Analyze, Browse and Download functions of SEPDB, which is available online at https://sysomics.com/SEPDB/. Database URL: https://sysomics.com/SEPDB/.
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Affiliation(s)
- Ruiqing Wang
- The State Key Laboratory of Complex, Severe, and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, #5 Dong Dan San Tiao, Beijing 100005, China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 Daxue Road, Changqing District, Jinan, Shandong Province 250355, China
| | - Chao Ren
- Institute of Health Service and Transfusion Medicine, #27 Taiping Road, Haidian District, Beijing 100850, China
| | - Tian Gao
- The State Key Laboratory of Complex, Severe, and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, #5 Dong Dan San Tiao, Beijing 100005, China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 Daxue Road, Changqing District, Jinan, Shandong Province 250355, China
| | - Hao Li
- Institute of Health Service and Transfusion Medicine, #27 Taiping Road, Haidian District, Beijing 100850, China
| | - Xiaochen Bo
- Institute of Health Service and Transfusion Medicine, #27 Taiping Road, Haidian District, Beijing 100850, China
| | - Dahai Zhu
- The State Key Laboratory of Complex, Severe, and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, #5 Dong Dan San Tiao, Beijing 100005, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), #96 South Xingdao Ring Road, Haizhu District, Guangzhou 510005, China
| | - Dan Zhang
- Experimental Center, Shandong University of Traditional Chinese Medicine, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 Daxue Road, Changqing District, Jinan, Shandong Province 250355, China
| | - Hebing Chen
- Institute of Health Service and Transfusion Medicine, #27 Taiping Road, Haidian District, Beijing 100850, China
| | - Yong Zhang
- The State Key Laboratory of Complex, Severe, and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, #5 Dong Dan San Tiao, Beijing 100005, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), #96 South Xingdao Ring Road, Haizhu District, Guangzhou 510005, China
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6
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Wu W, Krijgsveld J. Secretome Analysis: Reading Cellular Sign Language to Understand Intercellular Communication. Mol Cell Proteomics 2024; 23:100692. [PMID: 38081362 PMCID: PMC10793180 DOI: 10.1016/j.mcpro.2023.100692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024] Open
Abstract
A significant portion of mammalian proteomes is secreted to the extracellular space to fulfill crucial roles in cell-to-cell communication. To best recapitulate the intricate and multi-faceted crosstalk between cells in a live organism, there is an ever-increasing need for methods to study protein secretion in model systems that include multiple cell types. In addition, posttranslational modifications further expand the complexity and versatility of cellular communication. This review aims to summarize recent strategies and model systems that employ cellular coculture, chemical biology tools, protein enrichment, and proteomic methods to characterize the composition and function of cellular secretomes. This is all geared towards gaining better understanding of organismal biology in vivo mediated by secretory signaling.
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Affiliation(s)
- Wei Wu
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore; Department of Pharmacy, National University of Singapore, Singapore, Singapore.
| | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany; Medical Faculty, Heidelberg University, Heidelberg, Germany.
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7
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Borteçen T, Müller T, Krijgsveld J. An integrated workflow for quantitative analysis of the newly synthesized proteome. Nat Commun 2023; 14:8237. [PMID: 38086798 PMCID: PMC10716174 DOI: 10.1038/s41467-023-43919-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The analysis of proteins that are newly synthesized upon a cellular perturbation can provide detailed insight into the proteomic response that is elicited by specific cues. This can be investigated by pulse-labeling of cells with clickable and stable-isotope-coded amino acids for the enrichment and mass spectrometric characterization of newly synthesized proteins (NSPs), however convoluted protocols prohibit their routine application. Here we report the optimization of multiple steps in sample preparation, mass spectrometry and data analysis, and we integrate them into a semi-automated workflow for the quantitative analysis of the newly synthesized proteome (QuaNPA). Reduced input requirements and data-independent acquisition (DIA) enable the analysis of triple-SILAC-labeled NSP samples, with enhanced throughput while featuring high quantitative accuracy. We apply QuaNPA to investigate the time-resolved cellular response to interferon-gamma (IFNg), observing rapid induction of targets 2 h after IFNg treatment. QuaNPA provides a powerful approach for large-scale investigation of NSPs to gain insight into complex cellular processes.
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Affiliation(s)
- Toman Borteçen
- German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, Heidelberg, Germany
- Heidelberg University, Faculty of Biosciences, Im Neuenheimer Feld 581, Heidelberg, Germany
| | - Torsten Müller
- Heidelberg University, Medical Faculty, Im Neuenheimer Feld 581, Heidelberg, Germany
| | - Jeroen Krijgsveld
- German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, Heidelberg, Germany.
- Heidelberg University, Medical Faculty, Im Neuenheimer Feld 581, Heidelberg, Germany.
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8
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Zelanis A, Barcick U, Racorti NDV, Salardani M. Heterotypic communication as the promoter of phenotypic plasticity of cancer cells: The role of cancer secretomes. Proteomics 2023; 23:e2200243. [PMID: 37474490 DOI: 10.1002/pmic.202200243] [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: 10/27/2022] [Revised: 04/24/2023] [Accepted: 07/03/2023] [Indexed: 07/22/2023]
Abstract
Cellular communication relies on signaling circuits whose statuses are mainly modulated by soluble biomolecules such as carbohydrates, lipids, proteins, and metabolites as well as extracellular vesicles (EVs). Therefore, the active secretion of such biomolecules is critical for both cell homeostasis and proper pathophysiological responses in a timely fashion. In this context, proteins are among the main modulators of such biological responses. Hence, profiling cell line secretomes may be an opportunity for the identification of "signatures" of specific cell types (i.e., stromal or metastatic cells) with important prognostic/therapeutic value. This review will focus on the biological implications of cell secretomes in the context of cancer, as well as their functional roles in shaping the tumoral microenvironment (TME) and communication status of participating cells.
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Affiliation(s)
- André Zelanis
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Uilla Barcick
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Nathália de Vasconcellos Racorti
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Murilo Salardani
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, UNIFESP, São José dos Campos, São Paulo, Brazil
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9
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ElGhazaly M, Collins MO, Ibler AEM, Humphreys D. Typhoid toxin hijacks Wnt5a to establish host senescence and Salmonella infection. Cell Rep 2023; 42:113181. [PMID: 37792529 DOI: 10.1016/j.celrep.2023.113181] [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: 10/18/2022] [Revised: 06/15/2023] [Accepted: 09/13/2023] [Indexed: 10/06/2023] Open
Abstract
Damage to our genome causes acute senescence in mammalian cells, which undergo growth arrest and release a senescence-associated secretory phenotype (SASP) that propagates the stress response to bystander cells. Thus, acute senescence is a powerful tumor suppressor. Salmonella enterica hijacks senescence through its typhoid toxin, which usurps unidentified factors in the stress secretome of senescent cells to mediate intracellular infections. Here, transcriptomics of toxin-induced senescent cells (TxSCs) and proteomics of their secretome identify the factors as Wnt5a, INHBA, and GDF15. Wnt5a establishes a positive feedback loop, driving INHBA and GDF15 expression. In fibroblasts, Wnt5a and INHBA mediate autocrine senescence in TxSCs and paracrine senescence in naive cells. Wnt5a synergizes with GDF15 to increase Salmonella invasion. Intestinal TxSCs undergo apoptosis without Wnt5a, which is required for establishing intestinal TxSCs. The study reveals how an innate defense against cancer is co-opted by a bacterial pathogen to cause widespread damage and mediate infections.
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Affiliation(s)
- Mohamed ElGhazaly
- School of Biosciences, University of Sheffield, Sheffield, South Yorkshire S10 2TN, UK
| | - Mark O Collins
- School of Biosciences, University of Sheffield, Sheffield, South Yorkshire S10 2TN, UK
| | - Angela E M Ibler
- School of Biosciences, University of Sheffield, Sheffield, South Yorkshire S10 2TN, UK
| | - Daniel Humphreys
- School of Biosciences, University of Sheffield, Sheffield, South Yorkshire S10 2TN, UK.
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10
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Tang Q, Chen X. Nascent Proteomics: Chemical Tools for Monitoring Newly Synthesized Proteins. Angew Chem Int Ed Engl 2023; 62:e202305866. [PMID: 37309018 DOI: 10.1002/anie.202305866] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/14/2023]
Abstract
Cellular proteins are dynamically regulated in response to environmental stimuli. Conventional proteomics compares the entire proteome in different cellular states to identify differentially expressed proteins, which suffers from limited sensitivity for analyzing acute and subtle changes. To address this challenge, nascent proteomics has been developed, which selectively analyzes the newly synthesized proteins, thus offering a more sensitive and timely insight into the dynamic changes of the proteome. In this Minireview, we discuss recent advancements in nascent proteomics, with an emphasis on methodological developments. Also, we delve into the current challenges and provide an outlook on the future prospects of this exciting field.
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Affiliation(s)
- Qi Tang
- College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing, 100871, China
| | - Xing Chen
- College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Science, Beijing National Laboratory for Molecular Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
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11
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Wright MH. Chemical biology tools for protein labelling: insights into cell-cell communication. Biochem J 2023; 480:1445-1457. [PMID: 37732646 PMCID: PMC10586760 DOI: 10.1042/bcj20220309] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/04/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023]
Abstract
Multicellular organisms require carefully orchestrated communication between and within cell types and tissues, and many unicellular organisms also sense their context and environment, sometimes coordinating their responses. This review highlights contributions from chemical biology in discovering and probing mechanisms of cell-cell communication. We focus on chemical tools for labelling proteins in a cellular context and how these can be applied to decipher the target receptor of a signalling molecule, label a receptor of interest in situ to understand its biology, provide a read-out of protein activity or interactions in downstream signalling pathways, or discover protein-protein interactions across cell-cell interfaces.
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Affiliation(s)
- Megan H. Wright
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds LS2 9JT, U.K
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12
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Knecht S, Eberl HC, Kreisz N, Ugwu UJ, Starikova T, Kuster B, Wilhelm S. An Introduction to Analytical Challenges, Approaches, and Applications in Mass Spectrometry-Based Secretomics. Mol Cell Proteomics 2023; 22:100636. [PMID: 37597723 PMCID: PMC10518356 DOI: 10.1016/j.mcpro.2023.100636] [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: 02/27/2023] [Revised: 07/06/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023] Open
Abstract
The active release of proteins into the extracellular space and the proteolytic cleavage of cell surface proteins are key processes that coordinate and fine-tune a multitude of physiological functions. The entirety of proteins that fulfill these extracellular tasks are referred to as the secretome and are of special interest for the investigation of biomarkers of disease states and physiological processes related to cell-cell communication. LC-MS-based proteomics approaches are a valuable tool for the comprehensive and unbiased characterization of this important subproteome. This review discusses procedures, opportunities, and limitations of mass spectrometry-based secretomics to better understand and navigate the complex analytical landscape for studying protein secretion in biomedical science.
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Affiliation(s)
- Sascha Knecht
- Omics Sciences, Genomic Sciences, GlaxoSmithKline, Heidelberg, Germany; Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - H Christian Eberl
- Omics Sciences, Genomic Sciences, GlaxoSmithKline, Heidelberg, Germany
| | - Norbert Kreisz
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Ukamaka Juliet Ugwu
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Tatiana Starikova
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany.
| | - Stephanie Wilhelm
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany.
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13
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Zhang HF, Delaidelli A, Javed S, Turgu B, Morrison T, Hughes CS, Yang X, Pachva M, Lizardo MM, Singh G, Hoffmann J, Huang YZ, Patel K, Shraim R, Kung SH, Morin GB, Aparicio S, Martinez D, Maris JM, Bosse KR, Williams KC, Sorensen PH. A MYCN-independent mechanism mediating secretome reprogramming and metastasis in MYCN-amplified neuroblastoma. SCIENCE ADVANCES 2023; 9:eadg6693. [PMID: 37611092 PMCID: PMC10446492 DOI: 10.1126/sciadv.adg6693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 07/21/2023] [Indexed: 08/25/2023]
Abstract
MYCN amplification (MNA) is a defining feature of high-risk neuroblastoma (NB) and predicts poor prognosis. However, whether genes within or in close proximity to the MYCN amplicon also contribute to MNA+ NB remains poorly understood. Here, we identify that GREB1, a transcription factor encoding gene neighboring the MYCN locus, is frequently coexpressed with MYCN and promotes cell survival in MNA+ NB. GREB1 controls gene expression independently of MYCN, among which we uncover myosin 1B (MYO1B) as being highly expressed in MNA+ NB and, using a chick chorioallantoic membrane (CAM) model, as a crucial regulator of invasion and metastasis. Global secretome and proteome profiling further delineates MYO1B in regulating secretome reprogramming in MNA+ NB cells, and the cytokine MIF as an important pro-invasive and pro-metastatic mediator of MYO1B activity. Together, we have identified a putative GREB1-MYO1B-MIF axis as an unconventional mechanism promoting aggressive behavior in MNA+ NB and independently of MYCN.
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Affiliation(s)
- Hai-Feng Zhang
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Alberto Delaidelli
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Sumreen Javed
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC, Canada
| | - Busra Turgu
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Taylor Morrison
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Christopher S. Hughes
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Xiaqiu Yang
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Manideep Pachva
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Michael M. Lizardo
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Gurdeep Singh
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Jennifer Hoffmann
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Yue Zhou Huang
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Khushbu Patel
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Rawan Shraim
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | | | - Gregg B. Morin
- Canada’s Michael Smith Genome Sciences Centre, Vancouver, BC V5Z4S6, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Samuel Aparicio
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Daniel Martinez
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - John M. Maris
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kristopher R. Bosse
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Karla C. Williams
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC, Canada
| | - Poul H. Sorensen
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T1Z4, Canada
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, BC V5Z1L3, Canada
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14
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Kirschner F, Arnold-Schild D, Leps C, Łącki MK, Klein M, Chen Y, Ludt A, Marini F, Kücük C, Stein L, Distler U, Sielaff M, Michna T, Riegel K, Rajalingam K, Bopp T, Tenzer S, Schild H. Modulation of cellular transcriptome and proteome composition by azidohomoalanine-implications on click chemistry-based secretome analysis. J Mol Med (Berl) 2023; 101:855-867. [PMID: 37231147 PMCID: PMC10300158 DOI: 10.1007/s00109-023-02333-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/25/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023]
Abstract
The analysis of the secretome provides important information on proteins defining intercellular communication and the recruitment and behavior of cells in specific tissues. Especially in the context of tumors, secretome data can support decisions for diagnosis and therapy. The mass spectrometry-based analysis of cell-conditioned media is widely used for the unbiased characterization of cancer secretomes in vitro. Metabolic labeling using azide-containing amino acid analogs in combination with click chemistry facilitates this type of analysis in the presence of serum, preventing serum starvation-induced effects. The modified amino acid analogs, however, are less efficiently incorporated into newly synthesized proteins and may perturb protein folding. Combining transcriptome and proteome analysis, we elucidate in detail the effects of metabolic labeling with the methionine analog azidohomoalanine (AHA) on gene and protein expression. Our data reveal that 15-39% of the proteins detected in the secretome displayed changes in transcript and protein expression induced by AHA labeling. Gene Ontology (GO) analyses indicate that metabolic labeling using AHA leads to induction of cellular stress and apoptosis-related pathways and provide first insights on how this affects the composition of the secretome on a global scale. KEY MESSAGES: Azide-containing amino acid analogs affect gene expression profiles. Azide-containing amino acid analogs influence cellular proteome. Azidohomoalanine labeling induces cellular stress and apoptotic pathways. Secretome consists of proteins with dysregulated expression profiles.
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Affiliation(s)
- Friederike Kirschner
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Danielle Arnold-Schild
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Christian Leps
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Mateusz Krzysztof Łącki
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Matthias Klein
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Yannic Chen
- Helmholtz Institute Translational Oncology, Obere Zahlbacher Straße 63, 55131, Mainz, Germany
| | - Annekathrin Ludt
- Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Federico Marini
- Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Can Kücük
- Helmholtz Institute Translational Oncology, Obere Zahlbacher Straße 63, 55131, Mainz, Germany
| | - Lara Stein
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Ute Distler
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Malte Sielaff
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Thomas Michna
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
| | - Kristina Riegel
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Krishnaraj Rajalingam
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Tobias Bopp
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- University Cancer Center Mainz, Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- German Cancer Consortium (DKTK), Mainz, Germany
| | - Stefan Tenzer
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
- Helmholtz Institute Translational Oncology, Obere Zahlbacher Straße 63, 55131, Mainz, Germany.
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
| | - Hansjörg Schild
- Institute of Immunology, University Medical Center Mainz, Langenbeckstrasse 1, 55131, Mainz, Germany.
- Helmholtz Institute Translational Oncology, Obere Zahlbacher Straße 63, 55131, Mainz, Germany.
- Research Center for Immunotherapy (FZI), Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
- University Cancer Center Mainz, Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
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15
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Raymond WS, Ghaffari S, Aguilera LU, Ron E, Morisaki T, Fox ZR, May MP, Stasevich TJ, Munsky B. Using mechanistic models and machine learning to design single-color multiplexed nascent chain tracking experiments. Front Cell Dev Biol 2023; 11:1151318. [PMID: 37325568 PMCID: PMC10267835 DOI: 10.3389/fcell.2023.1151318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/09/2023] [Indexed: 06/17/2023] Open
Abstract
mRNA translation is the ubiquitous cellular process of reading messenger-RNA strands into functional proteins. Over the past decade, large strides in microscopy techniques have allowed observation of mRNA translation at a single-molecule resolution for self-consistent time-series measurements in live cells. Dubbed Nascent chain tracking (NCT), these methods have explored many temporal dynamics in mRNA translation uncaptured by other experimental methods such as ribosomal profiling, smFISH, pSILAC, BONCAT, or FUNCAT-PLA. However, NCT is currently restricted to the observation of one or two mRNA species at a time due to limits in the number of resolvable fluorescent tags. In this work, we propose a hybrid computational pipeline, where detailed mechanistic simulations produce realistic NCT videos, and machine learning is used to assess potential experimental designs for their ability to resolve multiple mRNA species using a single fluorescent color for all species. Our simulation results show that with careful application this hybrid design strategy could in principle be used to extend the number of mRNA species that could be watched simultaneously within the same cell. We present a simulated example NCT experiment with seven different mRNA species within the same simulated cell and use our ML labeling to identify these spots with 90% accuracy using only two distinct fluorescent tags. We conclude that the proposed extension to the NCT color palette should allow experimentalists to access a plethora of new experimental design possibilities, especially for cell Signaling applications requiring simultaneous study of multiple mRNAs.
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Affiliation(s)
- William S Raymond
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
| | - Sadaf Ghaffari
- Department of Computer Science, Colorado State University, Fort Collins, CO, United States
| | - Luis U Aguilera
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO, United States
| | - Eric Ron
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
| | - Tatsuya Morisaki
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, CO, United States
| | - Zachary R Fox
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
- Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, TN, United States
| | - Michael P May
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
| | - Timothy J Stasevich
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, CO, United States
- World Research Hub Initiative and Cell Biology Unit, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, Japan
| | - Brian Munsky
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, United States
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO, United States
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16
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Baeza J, Coons BE, Lin Z, Riley J, Mendoza M, Peranteau WH, Garcia BA. In utero pulse injection of isotopic amino acids quantifies protein turnover rates during murine fetal development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.18.541242. [PMID: 37293076 PMCID: PMC10245746 DOI: 10.1101/2023.05.18.541242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Protein translational control is highly regulated step in the gene expression program during mammalian development that is critical for ensuring that the fetus develops correctly and that all of the necessary organs and tissues are formed and functional. Defects in protein expression during fetal development can lead to severe developmental abnormalities or premature death. Currently, quantitative techniques to monitor protein synthesis rates in a developing fetus (in utero) are limited. Here, we developed a novel in utero stable isotope labeling approach to quantify tissue-specific protein dynamics of the nascent proteome during mouse fetal development. Fetuses of pregnant C57BL/6J mice were injected with isotopically labeled lysine (Lys8) and arginine (Arg10) via the vitelline vein at various gestational days. After treatment, fetal organs/tissues including brain, liver, lung, and heart were harvested for sample preparation and proteomic analysis. We show that the mean incorporation rate for injected amino acids into all organs was 17.50 ± 0.6%. By analyzing the nascent proteome, unique signatures of each tissue were identified by hierarchical clustering. In addition, the quantified proteome-wide turnover rates (kobs) were calculated between 3.81E-5 and 0.424 hour-1. We observed similar protein turnover profiles for analyzed organs (e.g., liver versus brain), however, their distributions of turnover rates vary significantly. The translational kinetic profiles of developing organs displayed differentially expressed protein pathways and synthesis rates which correlated with known physiological changes during mouse development.
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Affiliation(s)
- Josue Baeza
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104
- Contributed equally to this work
| | - Barbara E. Coons
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children’s Hospital of Philadelphia, Philadelphia, PA 19104
- Contributed equally to this work
| | - Zongtao Lin
- Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis, St. Louis, MO 63110
| | - John Riley
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children’s Hospital of Philadelphia, Philadelphia, PA 19104
| | - Mariel Mendoza
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104
| | - William H. Peranteau
- The Center for Fetal Research, Division of Pediatric General, Thoracis and Fetal Surgery, Children’s Hospital of Philadelphia, Philadelphia, PA 19104
| | - Benjamin A Garcia
- Department of Biochemistry & Biophysics, University of Pennsylvania, Philadelphia, PA 19104
- Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis, St. Louis, MO 63110
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17
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Swietlik JJ, Bärthel S, Falcomatà C, Fink D, Sinha A, Cheng J, Ebner S, Landgraf P, Dieterich DC, Daub H, Saur D, Meissner F. Cell-selective proteomics segregates pancreatic cancer subtypes by extracellular proteins in tumors and circulation. Nat Commun 2023; 14:2642. [PMID: 37156840 PMCID: PMC10167354 DOI: 10.1038/s41467-023-38171-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 04/14/2023] [Indexed: 05/10/2023] Open
Abstract
Cell-selective proteomics is a powerful emerging concept to study heterocellular processes in tissues. However, its high potential to identify non-cell-autonomous disease mechanisms and biomarkers has been hindered by low proteome coverage. Here, we address this limitation and devise a comprehensive azidonorleucine labeling, click chemistry enrichment, and mass spectrometry-based proteomics and secretomics strategy to dissect aberrant signals in pancreatic ductal adenocarcinoma (PDAC). Our in-depth co-culture and in vivo analyses cover more than 10,000 cancer cell-derived proteins and reveal systematic differences between molecular PDAC subtypes. Secreted proteins, such as chemokines and EMT-promoting matrisome proteins, associated with distinct macrophage polarization and tumor stromal composition, differentiate classical and mesenchymal PDAC. Intriguingly, more than 1,600 cancer cell-derived proteins including cytokines and pre-metastatic niche formation-associated factors in mouse serum reflect tumor activity in circulation. Our findings highlight how cell-selective proteomics can accelerate the discovery of diagnostic markers and therapeutic targets in cancer.
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Affiliation(s)
- Jonathan J Swietlik
- Experimental Systems Immunology, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Stefanie Bärthel
- Division of Translational Cancer Research, German Cancer Research Center and German Cancer Consortium, Heidelberg, Germany
- Chair of Translational Cancer Research and Institute of Experimental Cancer Therapy, University Hospital Rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Chiara Falcomatà
- Division of Translational Cancer Research, German Cancer Research Center and German Cancer Consortium, Heidelberg, Germany
- Chair of Translational Cancer Research and Institute of Experimental Cancer Therapy, University Hospital Rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Diana Fink
- Institute of Innate Immunity, Department of Systems Immunology and Proteomics, Medical Faculty, University of Bonn, Bonn, Germany
| | - Ankit Sinha
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Jingyuan Cheng
- Experimental Systems Immunology, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Stefan Ebner
- Institute of Innate Immunity, Department of Systems Immunology and Proteomics, Medical Faculty, University of Bonn, Bonn, Germany
| | - Peter Landgraf
- Institute for Pharmacology and Toxicology, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Daniela C Dieterich
- Institute for Pharmacology and Toxicology, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
- Center for Behavioral Brain Sciences, Magdeburg, Germany
| | - Henrik Daub
- NEOsphere Biotechnologies GmbH, Martinsried, Germany
| | - Dieter Saur
- Division of Translational Cancer Research, German Cancer Research Center and German Cancer Consortium, Heidelberg, Germany.
- Chair of Translational Cancer Research and Institute of Experimental Cancer Therapy, University Hospital Rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany.
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany.
| | - Felix Meissner
- Experimental Systems Immunology, Max Planck Institute of Biochemistry, Martinsried, Germany.
- Institute of Innate Immunity, Department of Systems Immunology and Proteomics, Medical Faculty, University of Bonn, Bonn, Germany.
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18
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Kehrloesser S, Cast O, Elliott TS, Ernst RJ, Machel AC, Chen JX, Chin JW, Miller ML. Cell-of-origin-specific proteomics of extracellular vesicles. PNAS NEXUS 2023; 2:pgad107. [PMID: 37091541 PMCID: PMC10119638 DOI: 10.1093/pnasnexus/pgad107] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 03/21/2023] [Indexed: 04/25/2023]
Abstract
The ability to assign cellular origin to low-abundance secreted factors in extracellular vesicles (EVs) would greatly facilitate the analysis of paracrine-mediated signaling. Here, we report a method, named selective isolation of extracellular vesicles (SIEVE), which uses cell type-specific proteome labeling via stochastic orthogonal recoding of translation (SORT) to install bioorthogonal reactive groups into the proteins derived from the cells targeted for labeling. We establish the native purification of intact EVs from a target cell, via a bioorthogonal tetrazine ligation, leading to copurification of the largely unlabeled EV proteome from the same cell. SIEVE enables capture of EV proteins at levels comparable with those obtained by antibody-based methods, which capture all EVs regardless of cellular origin, and at levels 20× higher than direct capture of SORT-labeled proteins. Using proteomic analysis, we analyze nonlabeled cargo proteins of EVs and show that the enhanced sensitivity of SIEVE allows for unbiased and comprehensive analysis of EV proteins from subpopulations of cells as well as for cell-specific EV proteomics in complex coculture systems. SIEVE can be applied with high efficiency in a diverse range of existing model systems for cell-cell communication and has direct applications for cell-of-origin EV analysis and for protein biomarker discovery.
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Affiliation(s)
- Sebastian Kehrloesser
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Oliver Cast
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Thomas S Elliott
- Medical Research Council Laboratory of Molecular Biology, Francis Crick Ave, Cambridge CB2 0QH, UK
| | - Russell J Ernst
- Medical Research Council Laboratory of Molecular Biology, Francis Crick Ave, Cambridge CB2 0QH, UK
| | - Anne C Machel
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Jia-Xuan Chen
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
- Institute of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany
| | - Jason W Chin
- Medical Research Council Laboratory of Molecular Biology, Francis Crick Ave, Cambridge CB2 0QH, UK
| | - Martin L Miller
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
- Oncology Data Science, Oncology R&D, AstraZeneca, 1 Francis Crick Ave, Cambridge CB2 0AA, UK
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19
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Holloway RK, Zhang L, Molina-Gonzalez I, Ton K, Nicoll JAR, Boardman JP, Liang Y, Williams A, Miron VE. Localized microglia dysregulation impairs central nervous system myelination in development. Acta Neuropathol Commun 2023; 11:49. [PMID: 36949514 PMCID: PMC10035254 DOI: 10.1186/s40478-023-01543-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/03/2023] [Indexed: 03/24/2023] Open
Abstract
Myelination of neuronal axons is a critical aspect of central nervous system development and function. However, the fundamental cellular and molecular mechanisms influencing human developmental myelination and its failure are not fully understood. Here, we used digital spatial transcriptomics of a rare bank of human developing white matter to uncover that a localized dysregulated innate immune response is associated with impeded myelination. We identified that poorly myelinating areas have a distinct signature of Type II interferon signalling in microglia/macrophages, relative to adjacent myelinating areas. This is associated with a surprising increase in mature oligodendrocytes, which fail to form myelin processes appropriately. We functionally link these findings by showing that conditioned media from interferon-stimulated microglia is sufficient to dysregulate myelin process formation by oligodendrocytes in culture. We identify the Type II interferon inducer, Osteopontin (SPP1), as being upregulated in poorly myelinating brains, indicating a potential biomarker. Our results reveal the importance of microglia-mature oligodendrocyte interaction and interferon signaling in regulating myelination of the developing human brain.
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Affiliation(s)
- Rebecca K Holloway
- Keenan Research Centre for Biomedial Science at St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland, UK
- Centre for Discovery Brain Sciences, Chancellor's Building, The University of Edinburgh, Edinburgh, Scotland, UK
- Medical Research Council Centre for Reproductive Health, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland, UK
| | - Liang Zhang
- Nanostring Technologies, Inc., Seattle, WA, USA
| | - Irene Molina-Gonzalez
- United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland, UK
- Centre for Discovery Brain Sciences, Chancellor's Building, The University of Edinburgh, Edinburgh, Scotland, UK
- Medical Research Council Centre for Reproductive Health, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland, UK
| | - Kathy Ton
- Nanostring Technologies, Inc., Seattle, WA, USA
| | - James A R Nicoll
- Clinical Neurosciences, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- Department of Cellular Pathology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - James P Boardman
- Medical Research Council Centre for Reproductive Health, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland, UK
| | - Yan Liang
- Nanostring Technologies, Inc., Seattle, WA, USA
| | - Anna Williams
- United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland, UK
- Centre for Regenerative Medicine, Institute for Regeneration and Repair, The University of Edinburgh, Edinburgh, Scotland, UK
| | - Veronique E Miron
- Keenan Research Centre for Biomedial Science at St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada.
- Department of Immunology, University of Toronto, Toronto, ON, Canada.
- United Kingdom Dementia Research Institute at The University of Edinburgh, Edinburgh, Scotland, UK.
- Centre for Discovery Brain Sciences, Chancellor's Building, The University of Edinburgh, Edinburgh, Scotland, UK.
- Medical Research Council Centre for Reproductive Health, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, Scotland, UK.
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20
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Kreissl FK, Banki MA, Droujinine IA. Molecular methods to study protein trafficking between organs. Proteomics 2023; 23:e2100331. [PMID: 36478633 DOI: 10.1002/pmic.202100331] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 12/13/2022]
Abstract
Interorgan communication networks are key regulators of organismal homeostasis, and their dysregulation is associated with a variety of pathologies. While mass spectrometry proteomics identifies circulating proteins and can correlate their abundance with disease phenotypes, the tissues of origin and destinations of these secreted proteins remain largely unknown. In vitro approaches to study protein secretion are valuable, however, they may not mimic the complexity of in vivo environments. More recently, the development of engineered promiscuous BirA* biotin ligase derivatives has enabled tissue-specific tagging of cellular secreted proteomes in vivo. The use of biotin as a molecular tag provides information on the tissue of origin and destination, and enables the enrichment of low-abundance hormone proteins. Therefore, promiscuous protein biotinylation is a valuable tool to study protein secretion in vivo.
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Affiliation(s)
- Felix K Kreissl
- Department of Immunology and Microbiology, Scripps Research, La Jolla, California, USA
| | - Michael A Banki
- Department of Molecular Medicine, Scripps Research, La Jolla, California, USA
| | - Ilia A Droujinine
- Department of Molecular Medicine, Scripps Research, La Jolla, California, USA
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21
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Sun F, Suttapitugsakul S, Wu R. Systematic characterization of extracellular glycoproteins using mass spectrometry. MASS SPECTROMETRY REVIEWS 2023; 42:519-545. [PMID: 34047389 PMCID: PMC8627532 DOI: 10.1002/mas.21708] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 05/13/2023]
Abstract
Surface and secreted glycoproteins are essential to cells and regulate many extracellular events. Because of the diversity of glycans, the low abundance of many glycoproteins, and the complexity of biological samples, a system-wide investigation of extracellular glycoproteins is a daunting task. With the development of modern mass spectrometry (MS)-based proteomics, comprehensive analysis of different protein modifications including glycosylation has advanced dramatically. This review focuses on the investigation of extracellular glycoproteins using MS-based proteomics. We first discuss the methods for selectively enriching surface glycoproteins and investigating protein interactions on the cell surface, followed by the application of MS-based proteomics for surface glycoprotein dynamics analysis and biomarker discovery. We then summarize the methods to comprehensively study secreted glycoproteins by integrating various enrichment approaches with MS-based proteomics and their applications for global analysis of secreted glycoproteins in different biological samples. Collectively, MS significantly expands our knowledge of extracellular glycoproteins and enables us to identify extracellular glycoproteins as potential biomarkers for disease detection and drug targets for disease treatment.
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Affiliation(s)
| | | | - Ronghu Wu
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
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22
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Zhou F, Aroua N, Liu Y, Rohde C, Cheng J, Wirth AK, Fijalkowska D, Göllner S, Lotze M, Yun H, Yu X, Pabst C, Sauer T, Oellerich T, Serve H, Röllig C, Bornhäuser M, Thiede C, Baldus C, Frye M, Raffel S, Krijgsveld J, Jeremias I, Beckmann R, Trumpp A, Müller-Tidow C. A Dynamic rRNA Ribomethylome Drives Stemness in Acute Myeloid Leukemia. Cancer Discov 2023; 13:332-347. [PMID: 36259929 PMCID: PMC9900322 DOI: 10.1158/2159-8290.cd-22-0210] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 09/12/2022] [Accepted: 10/14/2022] [Indexed: 02/07/2023]
Abstract
The development and regulation of malignant self-renewal remain unresolved issues. Here, we provide biochemical, genetic, and functional evidence that dynamics in ribosomal RNA (rRNA) 2'-O-methylation regulate leukemia stem cell (LSC) activity in vivo. A comprehensive analysis of the rRNA 2'-O-methylation landscape of 94 patients with acute myeloid leukemia (AML) revealed dynamic 2'-O-methylation specifically at exterior sites of ribosomes. The rRNA 2'-O-methylation pattern is closely associated with AML development stage and LSC gene expression signature. Forced expression of the 2'-O-methyltransferase fibrillarin (FBL) induced an AML stem cell phenotype and enabled engraftment of non-LSC leukemia cells in NSG mice. Enhanced 2'-O-methylation redirected the ribosome translation program toward amino acid transporter mRNAs enriched in optimal codons and subsequently increased intracellular amino acid levels. Methylation at the single site 18S-guanosine 1447 was instrumental for LSC activity. Collectively, our work demonstrates that dynamic 2'-O-methylation at specific sites on rRNAs shifts translational preferences and controls AML LSC self-renewal. SIGNIFICANCE We establish the complete rRNA 2'-O-methylation landscape in human AML. Plasticity of rRNA 2'-O-methylation shifts protein translation toward an LSC phenotype. This dynamic process constitutes a novel concept of how cancers reprogram cell fate and function. This article is highlighted in the In This Issue feature, p. 247.
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Affiliation(s)
- Fengbiao Zhou
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Medicine Partnership Unit EMBL-UKHD, Heidelberg, Germany
- Corresponding Authors: Carsten Müller-Tidow, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-2215-68000; E-mail: ; Fengbiao Zhou, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-221-563-7487; E-mail: ; and Andreas Trumpp, Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. Phone: 4906-2214-23901; E-mail:
| | - Nesrine Aroua
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Yi Liu
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Medicine Partnership Unit EMBL-UKHD, Heidelberg, Germany
| | - Christian Rohde
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Medicine Partnership Unit EMBL-UKHD, Heidelberg, Germany
| | - Jingdong Cheng
- Gene Center, Department of Biochemistry, University of Munich, Munich, Germany
| | - Anna-Katharina Wirth
- Research Unit Apoptosis in Hematopoietic Stem Cells (AHS), Helmholtz Center Munich, German Center for Environmental Health, Munich, Germany
| | - Daria Fijalkowska
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stefanie Göllner
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Michelle Lotze
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Haiyang Yun
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Xiaobing Yu
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Caroline Pabst
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Tim Sauer
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Oellerich
- Department of Medicine II, Hematology/Oncology, Goethe University, Frankfurt Am Main, Germany
| | - Hubert Serve
- Department of Medicine II, Hematology/Oncology, Goethe University, Frankfurt Am Main, Germany
| | - Christoph Röllig
- Medical Department 1, University Hospital Dresden, Dresden, Germany
| | | | - Christian Thiede
- Medical Department 1, University Hospital Dresden, Dresden, Germany
| | - Claudia Baldus
- Department of Medicine II, Hematology and Oncology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Michaela Frye
- Division of Mechanisms Regulating Gene Expression, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Simon Raffel
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells (AHS), Helmholtz Center Munich, German Center for Environmental Health, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Roland Beckmann
- Gene Center, Department of Biochemistry, University of Munich, Munich, Germany
| | - Andreas Trumpp
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- National Center for Tumor Diseases, NCT Heidelberg, Heidelberg, Germany
- Corresponding Authors: Carsten Müller-Tidow, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-2215-68000; E-mail: ; Fengbiao Zhou, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-221-563-7487; E-mail: ; and Andreas Trumpp, Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. Phone: 4906-2214-23901; E-mail:
| | - Carsten Müller-Tidow
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Medicine Partnership Unit EMBL-UKHD, Heidelberg, Germany
- National Center for Tumor Diseases, NCT Heidelberg, Heidelberg, Germany
- Corresponding Authors: Carsten Müller-Tidow, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-2215-68000; E-mail: ; Fengbiao Zhou, Department of Internal Medicine V, Heidelberg University Hospital, 69120 Heidelberg, Germany. Phone: 4906-221-563-7487; E-mail: ; and Andreas Trumpp, Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. Phone: 4906-2214-23901; E-mail:
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23
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Imami K, Selbach M, Ishihama Y. Monitoring mitochondrial translation by pulse SILAC. J Biol Chem 2023; 299:102865. [PMID: 36603763 PMCID: PMC9922817 DOI: 10.1016/j.jbc.2022.102865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 12/27/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Mitochondrial ribosomes are specialized to translate the 13 membrane proteins encoded in the mitochondrial genome, which shapes the oxidative phosphorylation complexes essential for cellular energy metabolism. Despite the importance of mitochondrial translation (MT) control, it is challenging to identify and quantify the mitochondrial-encoded proteins because of their hydrophobic nature and low abundance. Here, we introduce a mass spectrometry-based proteomic method that combines biochemical isolation of mitochondria with pulse stable isotope labeling by amino acids in cell culture. Our method provides the highest protein identification rate with the shortest measurement time among currently available methods, enabling us to quantify 12 of the 13 mitochondrial-encoded proteins. We applied this method to uncover the global picture of (post-)translational regulation of both mitochondrial- and nuclear-encoded subunits of oxidative phosphorylation complexes. We found that inhibition of MT led to degradation of orphan nuclear-encoded subunits that are considered to form subcomplexes with the mitochondrial-encoded subunits. This method should be readily applicable to study MT programs in many contexts, including oxidative stress and mitochondrial disease.
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Affiliation(s)
- Koshi Imami
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan; RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
| | - Matthias Selbach
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany; Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Yasushi Ishihama
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan; Laboratory of Clinical and Analytical Chemistry, National Institute of Biomedical Innovation, Health and Nutrition, Osaka, Japan.
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24
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Raymond WS, Ghaffari S, Aguilera LU, Ron E, Morisaki T, Fox ZR, May MP, Stasevich TJ, Munsky B. Using Mechanistic Models and Machine Learning to Design Single-Color Multiplexed Nascent Chain Tracking Experiments. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.25.525583. [PMID: 36747627 PMCID: PMC9900927 DOI: 10.1101/2023.01.25.525583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
mRNA translation is the ubiquitous cellular process of reading messenger-RNA strands into functional proteins. Over the past decade, large strides in microscopy techniques have allowed observation of mRNA translation at a single-molecule resolution for self-consistent time-series measurements in live cells. Dubbed Nascent chain tracking (NCT), these methods have explored many temporal dynamics in mRNA translation uncaptured by other experimental methods such as ribosomal profiling, smFISH, pSILAC, BONCAT, or FUNCAT-PLA. However, NCT is currently restricted to the observation of one or two mRNA species at a time due to limits in the number of resolvable fluorescent tags. In this work, we propose a hybrid computational pipeline, where detailed mechanistic simulations produce realistic NCT videos, and machine learning is used to assess potential experimental designs for their ability to resolve multiple mRNA species using a single fluorescent color for all species. Through simulation, we show that with careful application, this hybrid design strategy could in principle be used to extend the number of mRNA species that could be watched simultaneously within the same cell. We present a simulated example NCT experiment with seven different mRNA species within the same simulated cell and use our ML labeling to identify these spots with 90% accuracy using only two distinct fluorescent tags. The proposed extension to the NCT color palette should allow experimentalists to access a plethora of new experimental design possibilities, especially for cell signalling applications requiring simultaneous study of multiple mRNAs.
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Affiliation(s)
- William S. Raymond
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Sadaf Ghaffari
- Department of Computer Science, Colorado State University, Fort Collins, Colorado, USA
| | - Luis U. Aguilera
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Eric Ron
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Tatsuya Morisaki
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, Colorado, USA
| | - Zachary R. Fox
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA,Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
| | - Michael P. May
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Timothy J. Stasevich
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, Colorado, USA,Cell Biology Unit, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama, Japan
| | - Brian Munsky
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA,Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado, USA,Corresponding Author: Brian Munsky -
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25
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Dijkstra J, Neikes HK, Rezaeifard S, Ma X, Voest EE, Tauriello DVF, Vermeulen M. Multiomics of Colorectal Cancer Organoids Reveals Putative Mediators of Cancer Progression Resulting from SMAD4 Inactivation. J Proteome Res 2023; 22:138-151. [PMID: 36450103 PMCID: PMC9830641 DOI: 10.1021/acs.jproteome.2c00551] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
The development of metastasis severely reduces the life expectancy of patients with colorectal cancer (CRC). Although loss of SMAD4 is a key event in CRC progression, the resulting changes in biological processes in advanced disease and metastasis are not fully understood. Here, we applied a multiomics approach to a CRC organoid model that faithfully reflects the metastasis-supporting effects of SMAD4 inactivation. We show that loss of SMAD4 results in decreased differentiation and activation of pro-migratory and cell proliferation processes, which is accompanied by the disruption of several key oncogenic pathways, including the TGFβ, WNT, and VEGF pathways. In addition, SMAD4 inactivation leads to increased secretion of proteins that are known to be involved in a variety of pro-metastatic processes. Finally, we show that one of the factors that is specifically secreted by SMAD4-mutant organoids─DKK3─reduces the antitumor effects of natural killer cells (NK cells). Altogether, our data provide new insights into the role of SMAD4 perturbation in advanced CRC.
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Affiliation(s)
- Jelmer
J. Dijkstra
- Department
of Molecular Biology, Faculty of Science, Radboud Institute for Molecular
Life Sciences (RIMLS), Oncode Institute, Radboud University Nijmegen, Geert Grooteplein 26−28, 6525
GA Nijmegen, The
Netherlands
| | - Hannah K. Neikes
- Department
of Molecular Biology, Faculty of Science, Radboud Institute for Molecular
Life Sciences (RIMLS), Oncode Institute, Radboud University Nijmegen, Geert Grooteplein 26−28, 6525
GA Nijmegen, The
Netherlands
| | - Somayeh Rezaeifard
- Department
of Cell Biology, Radboud University Medical Center/Radboud Institute
for Molecular Life Sciences (RIMLS), Radboud
University Nijmegen, Geert Grooteplein 26−28, 6525
GA Nijmegen, The
Netherlands
| | - Xuhui Ma
- Department
of Molecular Oncology and Immunology, Oncode Institute, The Netherlands Cancer Institute, Antoni van Leeuwenhoek
Hospital, 1066 CX Amsterdam, The Netherlands
| | - Emile E. Voest
- Department
of Molecular Oncology and Immunology, Oncode Institute, The Netherlands Cancer Institute, Antoni van Leeuwenhoek
Hospital, 1066 CX Amsterdam, The Netherlands
| | - Daniele V. F. Tauriello
- Department
of Cell Biology, Radboud University Medical Center/Radboud Institute
for Molecular Life Sciences (RIMLS), Radboud
University Nijmegen, Geert Grooteplein 26−28, 6525
GA Nijmegen, The
Netherlands
| | - Michiel Vermeulen
- Department
of Molecular Biology, Faculty of Science, Radboud Institute for Molecular
Life Sciences (RIMLS), Oncode Institute, Radboud University Nijmegen, Geert Grooteplein 26−28, 6525
GA Nijmegen, The
Netherlands,
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26
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Shin J, Lee C. Profiling of Secreted Proteins in Serum-Containing Media Using BONCAT and Pulsed SILAC. Methods Mol Biol 2023; 2603:235-243. [PMID: 36370284 DOI: 10.1007/978-1-0716-2863-8_19] [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: 06/16/2023]
Abstract
Secreted proteins play pivotal roles in signal transduction and cell-to-cell communication. Despite increasing interest in secretome analysis over the past decade, most studies on this topic have utilized serum-free medium (SFM). However, fetal bovine serum (FBS) is the most widely used serum supplement for cell culture, and secretome analysis using serum-containing medium (SCM) is important to identify proteins secreted under realistic conditions and to understand their physiological roles. In this chapter, we describe a simple and robust protocol based on bioorthogonal non-canonical amino acid tagging (BONCAT) and pulsed stable isotope labeling by amino acids in cell culture (pSILAC), for identification and quantitation of the cell secretome in SCM. In this protocol, the secretome of SFM is compared with that of SCM to confirm the effect of FBS. Additionally, for mass spectrometric data processing, we provide parameters that increase true positives and decrease both false positives and false negatives.
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Affiliation(s)
- Jihye Shin
- Advanced Medical Research Center, Yokohama City University, Yokohama, Japan.
| | - Cheolju Lee
- Center for Theragnosis, Korea Institute of Science and Technology, Seoul, Korea.
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul, Korea.
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27
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Combining Metabolic Pulse Labeling and Quantitative Proteomics to Monitor Protein Synthesis Upon Viral Infection. Methods Mol Biol 2022; 2610:149-165. [PMID: 36534289 DOI: 10.1007/978-1-0716-2895-9_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Viruses like influenza A virus (IAV) hijack host cells in order to replicate. To actively and abundantly synthesize viral proteins, they reprogram the cellular transcriptional and translational landscape. Here, we present a proteomic approach that allows us to quantify the differences in host and viral protein synthesis comparatively for different strains of IAV. The method is based on combining quantitative proteomics using stable isotope labelling by amino acids in cell culture (SILAC) and bioorthogonal labeling with methionine analogs. This methodology accurately quantifies synthesis of host and viral proteins with high temporal resolution and faithfully detects global changes in cellular translation capacity. It thus provides unique insights into the dynamics of protein synthesis as the infection progresses.
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28
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Choi CHJ, Barr W, Zaman S, Model C, Park A, Koenen M, Lin Z, Szwed SK, Marchildon F, Crane A, Carroll TS, Molina H, Cohen P. LRG1 is an adipokine that promotes insulin sensitivity and suppresses inflammation. eLife 2022; 11:e81559. [PMID: 36346018 PMCID: PMC9674348 DOI: 10.7554/elife.81559] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022] Open
Abstract
While dysregulation of adipocyte endocrine function plays a central role in obesity and its complications, the vast majority of adipokines remain uncharacterized. We employed bio-orthogonal non-canonical amino acid tagging (BONCAT) and mass spectrometry to comprehensively characterize the secretome of murine visceral and subcutaneous white and interscapular brown adip ocytes. Over 600 proteins were identified, the majority of which showed cell type-specific enrichment. We here describe a metabolic role for leucine-rich α-2 glycoprotein 1 (LRG1) as an obesity-regulated adipokine secreted by mature adipocytes. LRG1 overexpression significantly improved glucose homeostasis in diet-induced and genetically obese mice. This was associated with markedly reduced white adipose tissue macrophage accumulation and systemic inflammation. Mechanistically, we found LRG1 binds cytochrome c in circulation to dampen its pro-inflammatory effect. These data support a new role for LRG1 as an insulin sensitizer with therapeutic potential given its immunomodulatory function at the nexus of obesity, inflammation, and associated pathology.
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Affiliation(s)
- Chan Hee J Choi
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD ProgramNew YorkUnited States
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - William Barr
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Samir Zaman
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Corey Model
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Annsea Park
- Department of Immunobiology, Yale UniversityNew HavenUnited States
| | - Mascha Koenen
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Zeran Lin
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Sarah K Szwed
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD ProgramNew YorkUnited States
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Francois Marchildon
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Audrey Crane
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
| | - Thomas S Carroll
- Bioinformatics Resouce Center, Rockefeller UniversityNew YorkUnited States
| | - Henrik Molina
- Proteomics Resource Center, Rockefeller UniversityNew YorkUnited States
| | - Paul Cohen
- Laboratory of Molecular Metabolism, Rockefeller UniversityNew YorkUnited States
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29
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5′ Untranslated mRNA Regions Allow Bypass of Host Cell Translation Inhibition by Legionella pneumophila. Infect Immun 2022; 90:e0017922. [DOI: 10.1128/iai.00179-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Legionella pneumophila
grows within membrane-bound vacuoles in alveolar macrophages during human disease. Pathogen manipulation of the host cell is driven by bacterial proteins translocated through a type IV secretion system (T4SS).
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30
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Soluble ANPEP Released From Human Astrocytes as a Positive Regulator of Microglial Activation and Neuroinflammation: Brain Renin-Angiotensin System in Astrocyte-Microglia Crosstalk. Mol Cell Proteomics 2022; 21:100424. [PMID: 36220603 PMCID: PMC9650055 DOI: 10.1016/j.mcpro.2022.100424] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022] Open
Abstract
Astrocytes are major supportive glia and immune modulators in the brain; they are highly secretory in nature and interact with other cell types via their secreted proteomes. To understand how astrocytes communicate during neuroinflammation, we profiled the secretome of human astrocytes following stimulation with proinflammatory factors. A total of 149 proteins were significantly upregulated in stimulated astrocytes, and a bioinformatics analysis of the astrocyte secretome revealed that the brain renin-angiotensin system (RAS) is an important mechanism of astrocyte communication. We observed that the levels of soluble form of aminopeptidase N (sANPEP), an RAS component that converts angiotensin (Ang) III to Ang IV in a neuroinflammatory milieu, significantly increased in the astrocyte secretome. To elucidate the role of sANPEP and Ang IV in neuroinflammation, we first evaluated the expression of Ang IV receptors in human glial cells because Ang IV mediates biological effects through its receptors. The expression of angiotensin type 1 receptor was considerably upregulated in activated human microglial cells but not in human astrocytes. Moreover, interleukin-1β release from human microglial cells was synergistically increased by cotreatment with sANPEP and its substrate, Ang III, suggesting the proinflammatory action of Ang IV generated by sANPEP. In a mouse neuroinflammation model, brain microglial activation and proinflammatory cytokine expression levels were increased by intracerebroventricular injection of sANPEP and attenuated by an enzymatic inhibitor and neutralizing antibody against sANPEP. Collectively, our results indicate that astrocytic sANPEP-induced increase in Ang IV exacerbates neuroinflammation by interacting with microglial proinflammatory receptor angiotensin type 1 receptor, highlighting an important role of indirect crosstalk between astrocytes and microglia through the brain RAS in neuroinflammation.
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31
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Beller NC, Hummon AB. Advances in stable isotope labeling: dynamic labeling for spatial and temporal proteomic analysis. Mol Omics 2022; 18:579-590. [PMID: 35723214 PMCID: PMC9378559 DOI: 10.1039/d2mo00077f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
The field of proteomics is continually improving, requiring the development of new quantitative methods. Stable isotope labeling in cell culture (SILAC) is a metabolic labeling technique originating in the early 2000s. By incorporating isotopically labeled amino acids into the media used for cell culture, unlabeled versus labeled cells can be differentiated by the mass spectrometer. Traditional SILAC labeling has been expanded to pulsed applications allowing for a new quantitative dimension of proteomics - temporal analysis. The complete introduction of Heavy SILAC labeling chased with surplus unlabeled medium mimics traditional pulse-chase experiments and allows for the loss of heavy signal to track proteomic changes over time. In a similar fashion, pulsed SILAC (pSILAC) monitors the initial incorporation of a heavy label across a period of time, which allows for the rate of protein label integration to be assessed. These innovative techniques have aided in inspiring numerous SILAC-based temporal and spatial labeling applications, including super SILAC, spike-in SILAC, spatial SILAC, and a revival in label multiplexing. This review reflects upon the evolution of SILAC and the pulsed SILAC application, introduces advances in SILAC labeling, and proposes future perspectives for this novel and exciting field.
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Affiliation(s)
- Nicole C Beller
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, USA, 43210.
| | - Amanda B Hummon
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, USA, 43210.
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA, 43210
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32
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Gomez-Navarro N, Maldutyte J, Poljak K, Peak-Chew SY, Orme J, Bisnett BJ, Lamb CH, Boyce M, Gianni D, Miller EA. Selective inhibition of protein secretion by abrogating receptor-coat interactions during ER export. Proc Natl Acad Sci U S A 2022; 119:e2202080119. [PMID: 35901214 PMCID: PMC9351455 DOI: 10.1073/pnas.2202080119] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 06/01/2022] [Indexed: 01/03/2023] Open
Abstract
Protein secretion is an essential process that drives cell growth, movement, and communication. Protein traffic within the secretory pathway occurs via transport intermediates that bud from one compartment and fuse with a downstream compartment to deliver their contents. Here, we explore the possibility that protein secretion can be selectively inhibited by perturbing protein-protein interactions that drive capture into transport vesicles. Human proprotein convertase subtilisin/kexin type 9 (PCSK9) is a determinant of cholesterol metabolism whose secretion is mediated by a specific cargo adaptor protein, SEC24A. We map a series of protein-protein interactions between PCSK9, its endoplasmic reticulum (ER) export receptor SURF4, and SEC24A that mediate secretion of PCSK9. We show that the interaction between SURF4 and SEC24A can be inhibited by 4-phenylbutyrate (4-PBA), a small molecule that occludes a cargo-binding domain of SEC24. This inhibition reduces secretion of PCSK9 and additional SURF4 clients that we identify by mass spectrometry, leaving other secreted cargoes unaffected. We propose that selective small-molecule inhibition of cargo recognition by SEC24 is a potential therapeutic intervention for atherosclerosis and other diseases that are modulated by secreted proteins.
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Affiliation(s)
- Natalia Gomez-Navarro
- Cell Biology Division, Medical Research Council Laboratory of Molecular Biology, Cambridge, CB2 0QH, United Kingdom
| | - Julija Maldutyte
- Cell Biology Division, Medical Research Council Laboratory of Molecular Biology, Cambridge, CB2 0QH, United Kingdom
| | - Kristina Poljak
- Cell Biology Division, Medical Research Council Laboratory of Molecular Biology, Cambridge, CB2 0QH, United Kingdom
| | - Sew-Yeu Peak-Chew
- Cell Biology Division, Medical Research Council Laboratory of Molecular Biology, Cambridge, CB2 0QH, United Kingdom
| | - Jonathon Orme
- Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, CB2 0AA, United Kingdom
| | - Brittany J. Bisnett
- Department of Biochemistry, Duke University School of Medicine, Durham, NC27710, USA
| | - Caitlin H. Lamb
- Department of Biochemistry, Duke University School of Medicine, Durham, NC27710, USA
| | - Michael Boyce
- Department of Biochemistry, Duke University School of Medicine, Durham, NC27710, USA
| | - Davide Gianni
- Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, CB2 0AA, United Kingdom
| | - Elizabeth A. Miller
- Cell Biology Division, Medical Research Council Laboratory of Molecular Biology, Cambridge, CB2 0QH, United Kingdom
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pSNAP: Proteome-wide analysis of elongating nascent polypeptide chains. iScience 2022; 25:104516. [PMID: 35754732 PMCID: PMC9218386 DOI: 10.1016/j.isci.2022.104516] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 02/10/2022] [Accepted: 05/31/2022] [Indexed: 12/27/2022] Open
Abstract
Cellular global translation is often measured using ribosome profiling or quantitative mass spectrometry, but these methods do not provide direct information at the level of elongating nascent polypeptide chains (NPCs) and associated co-translational events. Here, we describe pSNAP, a method for proteome-wide profiling of NPCs by affinity enrichment of puromycin- and stable isotope-labeled polypeptides. pSNAP does not require ribosome purification and/or chemical labeling, and captures bona fide NPCs that characteristically exhibit protein N-terminus-biased positions. We applied pSNAP to evaluate the effect of silmitasertib, a potential molecular therapy for cancer, and revealed acute translational repression through casein kinase II and mTOR pathways. We also characterized modifications on NPCs and demonstrated that the combination of different types of modifications, such as acetylation and phosphorylation in the N-terminal region of histone H1.5, can modulate interactions with ribosome-associated factors. Thus, pSNAP provides a framework for dissecting co-translational regulations on a proteome-wide scale. Nascent polypeptidome analysis with a simplified protocol Quantification of acute changes in nascent polypeptides induced by external stimuli Profiling and characterization of chemical modifications on nascent polypeptides
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Boieri M, Malishkevich A, Guennoun R, Marchese E, Kroon S, Trerice KE, Awad M, Park JH, Iyer S, Kreuzer J, Haas W, Rivera MN, Demehri S. CD4+ T helper 2 cells suppress breast cancer by inducing terminal differentiation. J Exp Med 2022; 219:213261. [PMID: 35657353 PMCID: PMC9170526 DOI: 10.1084/jem.20201963] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/18/2021] [Accepted: 04/27/2022] [Indexed: 12/12/2022] Open
Abstract
Cancer immunology research is largely focused on the role of cytotoxic immune responses against advanced cancers. Herein, we demonstrate that CD4+ T helper (Th2) cells directly block spontaneous breast carcinogenesis by inducing the terminal differentiation of the cancer cells. Th2 cell immunity, stimulated by thymic stromal lymphopoietin, caused the epigenetic reprogramming of the tumor cells, activating mammary gland differentiation and suppressing epithelial–mesenchymal transition. Th2 polarization was required for this tumor antigen–specific immunity, which persisted in the absence of CD8+ T and B cells. Th2 cells directly blocked breast carcinogenesis by secreting IL-3, IL-5, and GM-CSF, which signaled to their common receptor expressed on breast tumor cells. Importantly, Th2 cell immunity permanently reverted high-grade breast tumors into low-grade, fibrocystic-like structures. Our findings reveal a critical role for CD4+ Th2 cells in immunity against breast cancer, which is mediated by terminal differentiation as a distinct effector mechanism for cancer immunoprevention and therapy.
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Affiliation(s)
- Margherita Boieri
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Anna Malishkevich
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Ranya Guennoun
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Emanuela Marchese
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Sanne Kroon
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Kathryn E Trerice
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Mary Awad
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Jong Ho Park
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Sowmya Iyer
- Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Johannes Kreuzer
- Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Wilhelm Haas
- Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Miguel N Rivera
- Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Shadmehr Demehri
- Center for Cancer Immunology and Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.,Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
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35
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Knecht S, Eberl HC, Bantscheff M. Interval-Based Secretomics Unravels Acute-Phase Response in Hepatocyte Model Systems. Mol Cell Proteomics 2022; 21:100241. [PMID: 35525403 PMCID: PMC9184749 DOI: 10.1016/j.mcpro.2022.100241] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/29/2022] [Accepted: 04/30/2022] [Indexed: 11/21/2022] Open
Abstract
Mass spectrometry-based secretomics approaches frequently utilize serum-free culture conditions to circumvent serum-induced interference and to increase analytical depth. However, this can negatively affect a wide range of cellular functions and cell viability. These effects become particularly apparent when investigating transcriptionally regulated secretion events and feedback-loops in response to perturbations that require 48 h or more to fully manifest. We present an “interval-based” secretomics workflow, which determines protein secretion rates in short serum-free time windows. Relative quantification using tandem mass tags enables precise monitoring of time-dependent changes. We applied this approach to determine temporal profiles of protein secretion in the hepatocyte model cell lines HepG2 and HepaRG after stimulation of the acute-phase response (APR) by the cytokines IL1b and IL6. While the popular hepatocarcinoma cell line HepG2 showed an incomplete APR, secretion patterns derived from differentiated HepaRG cells recapitulated the expected APR more comprehensively. For several APR response proteins, substantial secretion was only observed after 72 h, a time window at which cell fitness is substantially impaired under serum-free cell culture conditions. The interval-based secretomics approach enabled the first comprehensive analysis of time-dependent secretion of liver cell models in response to these proinflammatory cytokines. The extended time range facilitated the observation of distinct chronological phases and cytokine-dependent secretion phenotypes of the APR. IL1b directed the APR toward pathogen defense over three distinct phases—chemotaxis, effector, clearance—while IL6 directed the APR toward regeneration. Protein shedding on the cell surface was pronounced upon IL1b stimulation, and small molecule inhibition of ADAM and matrix metalloproteases identified induced as well as constitutive shedding events. Inhibition of ADAM proteases with TAPI-0 resulted in reduced shedding of the sorting receptor SORT1, and an attenuated cytokine response suggesting a direct link between cell surface shedding and cytokine secretion rates. Interval-based secretomics enables extended time course analysis. Time-resolved acute phase response in liver model systems HepG2 and HepaRG. IL1b response clusters in three phases. Cell surface shedding is amplified during acute-phase response. ADAM inhibition dampens secretion of inflammatory cytokines.
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Affiliation(s)
- Sascha Knecht
- Cellzome GmbH, GlaxoSmithKline (GSK), Heidelberg, Germany
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36
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Hisaoka M, Schott J, Bortecen T, Lindner D, Krijgsveld J, Stoecklin G. Preferential translation of p53 target genes. RNA Biol 2022; 19:437-452. [PMID: 35388737 PMCID: PMC8993080 DOI: 10.1080/15476286.2022.2048562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The transcription factor p53 exerts its tumour suppressive effect through transcriptional activation of numerous target genes controlling cell cycle arrest, apoptosis, cellular senescence and DNA repair. In addition, there is evidence that p53 influences the translation of specific mRNAs, including translational inhibition of ribosomal protein synthesis and translational activation of MDM2. A challenge in the analysis of translational control is that changes in mRNA abundance exert a kinetic (passive) effect on ribosome densities. In order to separate these passive effects from active regulation of translation efficiency in response to p53 activation, we conducted a comprehensive analysis of translational regulation by comparative analysis of mRNA levels and ribosome densities upon DNA damage induced by neocarzinostatin in wild-type and TP53−/− HCT116 colorectal carcinoma cells. Thereby, we identified a specific group of mRNAs that are preferentially translated in response to p53 activation, many of which correspond to p53 target genes including MDM2, SESN1 and CDKN1A. By subsequent polysome profile analysis of SESN1 and CDKN1A mRNA, we could demonstrate that p53-dependent translational activation relies on a combination of inducing the expression of translationally advantageous isoforms and trans-acting mechanisms that further enhance the translation of these mRNAs.
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Affiliation(s)
- Miharu Hisaoka
- Division of Biochemistry Mannheim Institute for Innate Immunoscience (MI3) and Mannheim Cancer Center (MCC), Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany.,Center for Molecular Biology of Heidelberg University (ZMBH), DKFZ-ZMBHAlliance, Heidelberg, Germany.,National Center for Tumor Diseases (NCT) partner site, Heidelberg, Germany
| | - Johanna Schott
- Division of Biochemistry Mannheim Institute for Innate Immunoscience (MI3) and Mannheim Cancer Center (MCC), Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany.,Center for Molecular Biology of Heidelberg University (ZMBH), DKFZ-ZMBHAlliance, Heidelberg, Germany
| | - Toman Bortecen
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Faculty of Bioscience, Heidelberg University, Heidelberg, Germany
| | - Doris Lindner
- Division of Biochemistry Mannheim Institute for Innate Immunoscience (MI3) and Mannheim Cancer Center (MCC), Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany.,Center for Molecular Biology of Heidelberg University (ZMBH), DKFZ-ZMBHAlliance, Heidelberg, Germany
| | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Medical Faculty, Heidelberg University, Heidelberg, Germany
| | - Georg Stoecklin
- Division of Biochemistry Mannheim Institute for Innate Immunoscience (MI3) and Mannheim Cancer Center (MCC), Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany.,Center for Molecular Biology of Heidelberg University (ZMBH), DKFZ-ZMBHAlliance, Heidelberg, Germany.,National Center for Tumor Diseases (NCT) partner site, Heidelberg, Germany
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37
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Poschmann G, Bahr J, Schrader J, Stejerean-Todoran I, Bogeski I, Stühler K. Secretomics—A Key to a Comprehensive Picture of Unconventional Protein Secretion. Front Cell Dev Biol 2022; 10:878027. [PMID: 35392176 PMCID: PMC8980719 DOI: 10.3389/fcell.2022.878027] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022] Open
Abstract
For a long time, leaderless secreted proteins (LLSP) were neglected as artifacts derived from dying cells. It is now generally accepted that secretion of LLSP–as a part of the collective term unconventional protein secretion (UPS) - is an evolutionarily conserved process and that these LLSP are actively and selectively secreted from living cells bypassing the classical endoplasmic reticulum-Golgi pathway. However, the mechanism of UPS pathways, as well as the number of LLSP and which part of a protein is involved in the selection of LLSPs for secretion, are still enigmatic and await clarification. Secretomics-a proteomics-based approach to identify and quantify all proteins secreted by a cell-is inherently unbiased toward a particular secretion pathway and offers the opportunity to shed light on the UPS. Here, we will evaluate and present recent results of proteomic workflows allowing to obtain high-confident secretome data. Additionally, we address that cell culture conditions largely affect the composition of the secretome. This has to be kept in mind to control cell culture induced artifacts and adaptation stress in serum free conditions. Evaluation of click chemistry for secretome analysis of cells under serum-containing conditions showed a significant change in the cellular proteome with longer incubation time upon treatment with non-canonical amino acid azidohomoalanine. Finally, we showed that the number of LLSP far exceeds the number of secreted proteins annotated in Uniprot and ProteinAtlas. Thus, secretomics in combination with sophisticated microbioanalytical and sample preparation methods is well suited to provide a comprehensive picture of UPS.
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Affiliation(s)
- Gereon Poschmann
- Institute for Molecular Medicine, Proteome Research, University Hospital and Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Jasmin Bahr
- Department of Molecular Cardiology, University Hospital and Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Jürgen Schrader
- Department of Molecular Cardiology, University Hospital and Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Ioana Stejerean-Todoran
- Molecular Physiology, Institute for Cardiovascular Physiology, University Medical Center, Georg August University Göttingen, Göttingen, Germany
| | - Ivan Bogeski
- Molecular Physiology, Institute for Cardiovascular Physiology, University Medical Center, Georg August University Göttingen, Göttingen, Germany
| | - Kai Stühler
- Institute for Molecular Medicine, Proteome Research, University Hospital and Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
- Molecular Proteomics Laboratory, Biological Medical Research Center, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
- *Correspondence: Kai Stühler,
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38
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Cambuli F, Foletto V, Alaimo A, De Felice D, Gandolfi F, Palumbieri MD, Zaffagni M, Genovesi S, Lorenzoni M, Celotti M, Bertossio E, Mazzero G, Bertossi A, Bisio A, Berardinelli F, Antoccia A, Gaspari M, Barbareschi M, Fiorentino M, Shen MM, Loda M, Romanel A, Lunardi A. Intra-epithelial non-canonical Activin A signaling safeguards prostate progenitor quiescence. EMBO Rep 2022; 23:e54049. [PMID: 35253958 PMCID: PMC9066067 DOI: 10.15252/embr.202154049] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 02/22/2022] [Accepted: 02/24/2022] [Indexed: 01/21/2023] Open
Abstract
The healthy prostate is a relatively quiescent tissue. Yet, prostate epithelium overgrowth is a common condition during aging, associated with urinary dysfunction and tumorigenesis. For over thirty years, TGF-β ligands have been known to induce cytostasis in a variety of epithelia, but the intracellular pathway mediating this signal in the prostate, and its relevance for quiescence, have remained elusive. Here, using mouse prostate organoids to model epithelial progenitors, we find that intra-epithelial non-canonical Activin A signaling inhibits cell proliferation in a Smad-independent manner. Mechanistically, Activin A triggers Tak1 and p38 ΜAPK activity, leading to p16 and p21 nuclear import. Spontaneous evasion from this quiescent state occurs upon prolonged culture, due to reduced Activin A secretion, a condition associated with DNA replication stress and aneuploidy. Organoids capable to escape quiescence in vitro are also able to implant with increased frequency into immunocompetent mice. This study demonstrates that non-canonical Activin A signaling safeguards epithelial quiescence in the healthy prostate, with potential implications for the understanding of cancer initiation, and the development of therapies targeting quiescent tumor progenitors.
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Affiliation(s)
- Francesco Cambuli
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly,Department of Medicine, Genetics and DevelopmentUrologySystems BiologyHerbert Irving Comprehensive Cancer CenterColumbia University Irving Medical CenterNew YorkNYUSA,Present address:
Molecular Pharmacology ProgramSloan Kettering InstituteMemorial Sloan Kettering Cancer CenterNew YorkNYUSA
| | - Veronica Foletto
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Alessandro Alaimo
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Dario De Felice
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Francesco Gandolfi
- Laboratory of Bioinformatics and Computational GenomicsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Maria Dilia Palumbieri
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Michela Zaffagni
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Sacha Genovesi
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Marco Lorenzoni
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Martina Celotti
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Emiliana Bertossio
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | | | - Arianna Bertossi
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Alessandra Bisio
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Francesco Berardinelli
- Department of ScienceUniversity of Roma TreRomaItaly,Laboratory of Neurodevelopment, Neurogenetics and Molecular Neurobiology UnitIRCCS Santa Lucia FoundationRomaItaly
| | | | - Marco Gaspari
- Department of Experimental and Clinical MedicineUniversity of CatanzaroCatanzaroItaly
| | | | - Michelangelo Fiorentino
- Department of Experimental, Diagnostic and Specialty MedicineUniversity of BolognaBolognaItaly
| | - Michael M Shen
- Department of Medicine, Genetics and DevelopmentUrologySystems BiologyHerbert Irving Comprehensive Cancer CenterColumbia University Irving Medical CenterNew YorkNYUSA
| | - Massimo Loda
- Department of Pathology and Laboratory MedicineWeill Medical College of Cornell UniversityNew YorkNYUSA
| | - Alessandro Romanel
- Laboratory of Bioinformatics and Computational GenomicsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
| | - Andrea Lunardi
- The Armenise‐Harvard Laboratory of Cancer Biology & GeneticsDepartment of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
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Lorenzoni M, De Felice D, Beccaceci G, Di Donato G, Foletto V, Genovesi S, Bertossi A, Cambuli F, Lorenzin F, Savino A, Avalle L, Cimadamore A, Montironi R, Weber V, Carbone FG, Barbareschi M, Demichelis F, Romanel A, Poli V, Del Sal G, Julio MKD, Gaspari M, Alaimo A, Lunardi A. ETS-related gene (ERG) undermines genome stability in mouse prostate progenitors via Gsk3β dependent Nkx3.1 degradation. Cancer Lett 2022; 534:215612. [PMID: 35259458 PMCID: PMC8968219 DOI: 10.1016/j.canlet.2022.215612] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 02/23/2022] [Accepted: 02/25/2022] [Indexed: 12/13/2022]
Abstract
21q22.2–3 deletion is the most common copy number alteration in prostate cancer (PCa). The genomic rearrangement results in the androgen-dependent de novo expression of ETS-related gene (ERG) in prostate cancer cells, a condition promoting tumor progression to advanced stages of the disease. Interestingly, ERG expression characterizes 5–30% of tumor precursor lesions – High Grade Prostatic Intraepithelial Neoplasia (HGPIN) - where its role remains unclear. Here, by combining organoids technology with Click-chemistry coupled Mass Spectrometry, we demonstrate a prominent role of ERG in remodeling the protein secretome of prostate progenitors. Functionally, by lowering autocrine Wnt-4 signaling, ERG represses canonical Wnt pathway in prostate progenitors, and, in turn, promotes the accumulation of DNA double strand breaks via Gsk3β-dependent degradation of the tumor suppressor Nkx3.1. On the other hand, by shaping extracellular paracrine signals, ERG strengthens the pro-oxidative transcriptional signature of inflammatory macrophages, which we demonstrate to infiltrate pre-malignant ERG positive prostate lesions. These findings highlight previously unrecognized functions of ERG in undermining adult prostate progenitor niche through cell autonomous and non-autonomous mechanisms. Overall, by supporting the survival and proliferation of prostate progenitors in the absence of growth stimuli and promoting the accumulation of DNA damage through destabilization of Nkx3.1, ERG could orchestrate the prelude to neoplastic transformation. Expression of ERGM40 in mouse prostate organoids promotes their survival and growth in the absence of Egf. ERGM40 alters the extracellular signaling network of mouse prostate organoids. Canonical Wnt pathway is substantially reduced in ERG + prostate organoids due to decreased autocrine signaling of Wnt4. Gsk3b promotes Nkx3.1 proteolysis and, in turn, accumulation of double strand breaks in ERG + prostate organoids. Paracrine signaling of ERG + prostate organoids modulates Arginase 1 expression in M1-polarized macrophages.
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Affiliation(s)
- Marco Lorenzoni
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Dario De Felice
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Giulia Beccaceci
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Giorgia Di Donato
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Veronica Foletto
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Sacha Genovesi
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Arianna Bertossi
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Francesco Cambuli
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Francesca Lorenzin
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Aurora Savino
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Lidia Avalle
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Alessia Cimadamore
- Pathological Anatomy, School of Medicine, United Hospitals, Polytechnic University of the Marche Region, Ancona, Italy
| | - Rodolfo Montironi
- Molecular Medicine and Cell Therapy Foundation, Polytechnic University of the Marche Region, Via Tronto, 10, Ancona, Italy
| | - Veronica Weber
- Unit of Surgical Pathology, Santa Chiara Hospital, Trento, Italy
| | | | | | - Francesca Demichelis
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Alessandro Romanel
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
| | - Valeria Poli
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Giannino Del Sal
- University of Trieste Department Life Sciences, ICGEB-Area Science Park Trieste, IFOM, Milan, Italy
| | - Marianna Kruithof-de Julio
- Urology Research Laboratory, Department for BioMedical Research DBMR, University of Bern, Bern, Switzerland; Translational Organoid Resource CORE, Department for BioMedical Research, University of Bern, Bern, Switzerland; Bern Center for Precision Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland; Department of Urology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Marco Gaspari
- Research Centre for Advanced Biochemistry and Molecular Biology, Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, Catanzaro, Italy.
| | - Alessandro Alaimo
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy.
| | - Andrea Lunardi
- Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy.
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Secretome of Adipose Tissue as the Key to Understanding the Endocrine Function of Adipose Tissue. Int J Mol Sci 2022; 23:ijms23042309. [PMID: 35216423 PMCID: PMC8878787 DOI: 10.3390/ijms23042309] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 02/06/2023] Open
Abstract
The prevalence of obesity has reached pandemic levels and is becoming a serious health problem in developed and developing countries. Obesity is associated with an increased prevalence of comorbidities that include type II diabetes, cardiovascular diseases and some cancers. The recognition of adipose tissue as an endocrine organ capable of secreting adipokines that influence whole-body energy homeostasis was a breakthrough leading to a better molecular understanding of obesity. Of the adipokines known to be involved in the regulation of energy metabolism, very few are considered central regulators of insulin sensitivity, metabolism and energy homeostasis, and the discovery and characterization of new adipocyte-derived factors are still ongoing. Proteomics techniques, such as liquid chromatography-mass spectrometry or gas chromatography-mass spectrometry, have proven to be useful tools for analyzing the secretory function of adipose tissue (the secretome), providing insights into molecular events that influence body weight. Apart from the identification of novel proteins, the considerable advantage of this approach is the ability to detect post-translational modifications that cannot be predicted in genomic studies. In this review, we summarize recent efforts to identify novel bioactive secretory factors through proteomics.
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Tomita S, Ishihara S, Kurita R. A polymer-based chemical tongue for the non-invasive monitoring of osteogenic stem-cell differentiation by pattern recognition of serum-supplemented spent media. J Mater Chem B 2022; 10:7581-7590. [DOI: 10.1039/d2tb00606e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of non-invasive techniques to characterize cultured cells is invaluable not only to ensure the reproducibility of cell research, but also for quality assurance of industrial cell products for...
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Vargas-Diaz D, Altelaar M. Automated High-Throughput Method for the Fast, Robust, and Reproducible Enrichment of Newly Synthesized Proteins. J Proteome Res 2021; 21:189-199. [PMID: 34860524 PMCID: PMC8749957 DOI: 10.1021/acs.jproteome.1c00743] [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] [Indexed: 12/25/2022]
Abstract
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A high-throughput
method was developed for the automated enrichment
of newly synthesized proteins (NSPs), which are labeled metabolically
by substituting methionine with the “click-able” analogue
azidohomoalanine (AHA). A suitable conjugate containing a dibenzocyclooctyne
(DBCO) group allows the specific selection of NSPs by a fast 1 h click
chemistry-based reaction with AHA. Through an automated pipetting
platform, the samples are loaded into streptavidin cartridges for
the selective binding of the NSPs by means of a biotin bait contained
in the conjugate. The enriched proteins are eluted by a reproducible
chemical cleavage of the 4,4-dimethyl-2,6-dioxocyclohexylidene (Dde)
group in the conjugate, which increases selectivity. The NSPs can
be collected and digested in the same well plate, and the resulting
peptides can be subsequently loaded for automated cleanup, followed
by mass spectrometry analysis. The proposed automated method allows
for the robust and effective enrichment of samples in 96-well plates
in a period of 3 h. Our developed enrichment method was comprehensively
evaluated and then applied to the proteomics analysis of the melanoma
A375 cell secretome, after treatment with the cytokines interferon
α (IFN-α) and γ (IFN-γ), resulting in the
quantification of 283 and 263 proteins, respectively, revealing intricate
tumor growth-supportive and -suppressive effects.
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Affiliation(s)
- David Vargas-Diaz
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.,Netherlands Proteomics Center, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Maarten Altelaar
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.,Netherlands Proteomics Center, Padualaan 8, 3584 CH Utrecht, The Netherlands
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43
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Lyu Z, Genereux JC. Methodologies for Measuring Protein Trafficking across Cellular Membranes. Chempluschem 2021; 86:1397-1415. [PMID: 34636167 DOI: 10.1002/cplu.202100304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/19/2021] [Indexed: 12/11/2022]
Abstract
Nearly all proteins are synthesized in the cytosol. The majority of this proteome must be trafficked elsewhere, such as to membranes, to subcellular compartments, or outside of the cell. Proper trafficking of nascent protein is necessary for protein folding, maturation, quality control and cellular and organismal health. To better understand cellular biology, molecular and chemical technologies to properly characterize protein trafficking (and mistrafficking) have been developed and applied. Herein, we take a biochemical perspective to review technologies that enable spatial and temporal measurement of protein distribution, focusing on both the most widely adopted methodologies and exciting emerging approaches.
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Affiliation(s)
- Ziqi Lyu
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, 92521, Riverside, CA, USA
| | - Joseph C Genereux
- Department of Chemistry, University of California, Riverside, 501 Big Springs Road, 92521, Riverside, CA, USA
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Morigny P, Kaltenecker D, Zuber J, Machado J, Mehr L, Tsokanos FF, Kuzi H, Hermann CD, Voelkl M, Monogarov G, Springfeld C, Laurent V, Engelmann B, Friess H, Zörnig I, Krüger A, Krijgsveld J, Prokopchuk O, Fisker Schmidt S, Rohm M, Herzig S, Berriel Diaz M. Association of circulating PLA2G7 levels with cancer cachexia and assessment of darapladib as a therapy. J Cachexia Sarcopenia Muscle 2021; 12:1333-1351. [PMID: 34427055 PMCID: PMC8517355 DOI: 10.1002/jcsm.12758] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 04/16/2021] [Accepted: 06/15/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Cancer cachexia (CCx) is a multifactorial wasting disorder characterized by involuntary loss of body weight that affects many cancer patients and implies a poor prognosis, reducing both tolerance to and efficiency of anticancer therapies. Actual challenges in management of CCx remain in the identification of tumour-derived and host-derived mediators involved in systemic inflammation and tissue wasting and in the discovery of biomarkers that would allow for an earlier and personalized care of cancer patients. The aim of this study was to identify new markers of CCx across different species and tumour entities. METHODS Quantitative secretome analysis was performed to identify specific factors characteristic of cachexia-inducing cancer cell lines. To establish the subsequently identified phospholipase PLA2G7 as a marker of CCx, plasma PLA2G7 activity and/or protein levels were measured in well-established mouse models of CCx and in different cohorts of weight-stable and weight-losing cancer patients with different tumour entities. Genetic PLA2G7 knock-down in tumours and pharmacological treatment using the well-studied PLA2G7 inhibitor darapladib were performed to assess its implication in the pathogenesis of CCx in C26 tumour-bearing mice. RESULTS High expression and secretion of PLA2G7 were hallmarks of cachexia-inducing cancer cell lines. Circulating PLA2G7 activity was increased in different mouse models of CCx with various tumour entities and was associated with the severity of body wasting. Circulating PLA2G7 levels gradually rose during cachexia development. Genetic PLA2G7 knock-down in C26 tumours only partially reduced plasma PLA2G7 levels, suggesting that the host is also an important contributor. Chronic treatment with darapladib was not sufficient to counteract inflammation and tissue wasting despite a strong inhibition of the circulating PLA2G7 activity. Importantly, PLA2G7 levels were also increased in colorectal and pancreatic cancer patients with CCx. CONCLUSIONS Overall, our data show that despite no immediate pathogenic role, at least when targeted as a single entity, PLA2G7 is a consistent marker of CCx in both mice and humans. The early increase in circulating PLA2G7 levels in pre-cachectic mice supports future prospective studies to assess its potential as biomarker for cancer patients.
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Affiliation(s)
- Pauline Morigny
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Doris Kaltenecker
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Julia Zuber
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Juliano Machado
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Lisa Mehr
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Foivos-Filippos Tsokanos
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Hanna Kuzi
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany.,School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Munich, Germany
| | - Chris D Hermann
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Munich, Germany
| | - Michael Voelkl
- Institute of Laboratory Medicine, University Hospital Ludwig-Maximilian University, Munich, Germany
| | | | - Christoph Springfeld
- Department of Medical Oncology, National Center for Tumor Diseases and Internal Medicine VI, Heidelberg University Hospital, Heidelberg, Germany
| | - Victor Laurent
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Bernd Engelmann
- Institute of Laboratory Medicine, University Hospital Ludwig-Maximilian University, Munich, Germany
| | - Helmut Friess
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Inka Zörnig
- Department of Medical Oncology, National Center for Tumor Diseases and Internal Medicine VI, Heidelberg University Hospital, Heidelberg, Germany
| | - Achim Krüger
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Munich, Germany
| | - Jeroen Krijgsveld
- German Cancer Research Center (DKFZ), Heidelberg, Germany.,Medical Faculty, Heidelberg University, Heidelberg, Germany
| | - Olga Prokopchuk
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany.,School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Munich, Germany
| | - Søren Fisker Schmidt
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Maria Rohm
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Stephan Herzig
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany.,Chair Molecular Metabolic Control, Technical University of Munich, Munich, Germany
| | - Mauricio Berriel Diaz
- Institute for Diabetes and Cancer, Helmholtz Center Munich, Neuherberg, Germany.,Joint Heidelberg-IDC Translational Diabetes Program, Inner Medicine 1, Heidelberg University Hospital, Heidelberg, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
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45
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Kusnadi EP, Timpone C, Topisirovic I, Larsson O, Furic L. Regulation of gene expression via translational buffering. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1869:119140. [PMID: 34599983 DOI: 10.1016/j.bbamcr.2021.119140] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 09/19/2021] [Accepted: 09/21/2021] [Indexed: 12/28/2022]
Abstract
Translation of an mRNA represents a critical step during the expression of protein-coding genes. As mechanisms governing post-transcriptional regulation of gene expression are progressively unveiled, it is becoming apparent that transcriptional programs are not fully reflected in the proteome. Herein, we highlight a previously underappreciated post-transcriptional mode of regulation of gene expression termed translational buffering. In principle, translational buffering opposes the impact of alterations in mRNA levels on the proteome. We further describe three types of translational buffering: compensation, which maintains protein levels e.g. across species or individuals; equilibration, which retains pathway stoichiometry; and offsetting, which acts as a reversible mechanism that maintains the levels of selected subsets of proteins constant despite genetic alteration and/or stress-induced changes in corresponding mRNA levels. While mechanisms underlying compensation and equilibration have been reviewed elsewhere, the principal focus of this review is on the less-well understood mechanism of translational offsetting. Finally, we discuss potential roles of translational buffering in homeostasis and disease.
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Affiliation(s)
- Eric P Kusnadi
- Translational Prostate Cancer Research Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia; Cancer Program, Biomedicine Discovery Institute and Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia
| | - Clelia Timpone
- Translational Prostate Cancer Research Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia
| | - Ivan Topisirovic
- Lady Davis Institute, Gerald Bronfman Department of Oncology and Departments of Biochemistry and Experimental Medicine, McGill University, Montreal, QC, Canada.
| | - Ola Larsson
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, Solna, Sweden.
| | - Luc Furic
- Translational Prostate Cancer Research Laboratory, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia; Cancer Program, Biomedicine Discovery Institute and Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia.
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46
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Martinelli S, Anderzhanova EA, Bajaj T, Wiechmann S, Dethloff F, Weckmann K, Heinz DE, Ebert T, Hartmann J, Geiger TM, Döngi M, Hafner K, Pöhlmann ML, Jollans L, Philipsen A, Schmidt SV, Schmidt U, Maccarrone G, Stein V, Hausch F, Turck CW, Schmidt MV, Gellner AK, Kuster B, Gassen NC. Stress-primed secretory autophagy promotes extracellular BDNF maturation by enhancing MMP9 secretion. Nat Commun 2021; 12:4643. [PMID: 34330919 PMCID: PMC8324795 DOI: 10.1038/s41467-021-24810-5] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 07/07/2021] [Indexed: 11/23/2022] Open
Abstract
The stress response is an essential mechanism for maintaining homeostasis, and its disruption is implicated in several psychiatric disorders. On the cellular level, stress activates, among other mechanisms, autophagy that regulates homeostasis through protein degradation and recycling. Secretory autophagy is a recently described pathway in which autophagosomes fuse with the plasma membrane rather than with lysosomes. Here, we demonstrate that glucocorticoid-mediated stress enhances secretory autophagy via the stress-responsive co-chaperone FK506-binding protein 51. We identify the matrix metalloproteinase 9 (MMP9) as one of the proteins secreted in response to stress. Using cellular assays and in vivo microdialysis, we further find that stress-enhanced MMP9 secretion increases the cleavage of pro-brain-derived neurotrophic factor (proBDNF) to its mature form (mBDNF). BDNF is essential for adult synaptic plasticity and its pathway is associated with major depression and posttraumatic stress disorder. These findings unravel a cellular stress adaptation mechanism that bears the potential of opening avenues for the understanding of the pathophysiology of stress-related disorders.
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Affiliation(s)
- Silvia Martinelli
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.
| | - Elmira A Anderzhanova
- Research Group Neurohomeostasis, Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Thomas Bajaj
- Research Group Neurohomeostasis, Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
| | - Svenja Wiechmann
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Emil-Erlenmeyer-Forum 5, Freising, Germany
- German Cancer Consortium (DKTK), Munich, Germany
- German Cancer Center (DKFZ), Heidelberg, Germany
| | - Frederik Dethloff
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
- Metabolomics Core Facility, Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Katja Weckmann
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Daniel E Heinz
- Research Group Neurohomeostasis, Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Tim Ebert
- Research Group Neurohomeostasis, Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
| | - Jakob Hartmann
- Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA, USA
| | - Thomas M Geiger
- Institute for Organic Chemistry and Biochemistry, Technische Universität Darmstadt, Darmstadt, Germany
| | - Michael Döngi
- Institut für Physiologie II, University of Bonn, Bonn, Germany
| | - Kathrin Hafner
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Max L Pöhlmann
- Research Group Neurobiology of Stress Resilience, Max Planck Institute of Psychiatry, Munich, Germany
| | - Lee Jollans
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Alexandra Philipsen
- Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
| | | | - Ulrike Schmidt
- Research Group Molecular and Clinical Psychotraumatology, Department of Psychiatry and Psychotherapy, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
- Research Group Traumatic Stress & Neurodegeneration & PTSD Treatment Unit, Department of Psychiatry and Psychotherapy, University Medical Center Göttingen (UMG), Göttingen, Germany
- Department of Psychiatry and Neuropsychology, Maastricht University Medical Centre, School for Mental Health and Neuroscience, Maastricht, The Netherlands
| | - Giuseppina Maccarrone
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Valentin Stein
- Institut für Physiologie II, University of Bonn, Bonn, Germany
| | - Felix Hausch
- Institute for Organic Chemistry and Biochemistry, Technische Universität Darmstadt, Darmstadt, Germany
| | - Christoph W Turck
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - Mathias V Schmidt
- Research Group Neurobiology of Stress Resilience, Max Planck Institute of Psychiatry, Munich, Germany
| | - Anne-Kathrin Gellner
- Institut für Physiologie II, University of Bonn, Bonn, Germany
- Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Emil-Erlenmeyer-Forum 5, Freising, Germany
- German Cancer Consortium (DKTK), Munich, Germany
- German Cancer Center (DKFZ), Heidelberg, Germany
- Bavarian Center for Biomolecular Mass Spectrometry, Freising, Germany
| | - Nils C Gassen
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.
- Research Group Neurohomeostasis, Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany.
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47
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Uchiyama J, Ishihama Y, Imami K. Quantitative nascent proteome profiling by dual-pulse labelling with O-propargyl-puromycin and stable isotope-labelled amino acids. J Biochem 2021; 169:227-236. [PMID: 32926143 DOI: 10.1093/jb/mvaa104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 08/30/2020] [Indexed: 11/13/2022] Open
Abstract
Monitoring translational regulation in response to environmental signals is crucial for understanding cellular proteostasis. However, only limited approaches are currently available for quantifying acute changes in protein synthesis induced by stimuli. Recently, a clickable puromycin analogue, O-propargyl-puromycin (OPP), was developed and applied to label the C-termini of nascent polypeptide chains (NPCs). Following affinity purification via a click reaction, OPP allows for a proteomic analysis of NPCs. Despite its advantage, the affinity purification of NPCs using magnetic beads or resins inherently suffers from significant non-specific protein binding, which hinders accurate quantification of the nascent proteins. To address this issue, we employed dual-pulse labelling of NPCs with both OPP and stable isotope-labelled amino acids to distinguish bona fide NPCs from non-specific proteins, thereby enabling the accurate quantitative profiling of NPCs. We applied this method to dissecting translation responses upon transcriptional inhibition and quantified ∼3,000 nascent proteins. We found that the translation of a subset of ribosomal proteins (e.g. RPSA, RPLP0) as well as signalling proteins (e.g. BCAR3, EFNA1, DUSP1) was significantly repressed by transcription inhibition. Together, the present method provides an accurate and broadly applicable nascent proteome profiling for many biological applications at the level of translation.
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Affiliation(s)
- Junki Uchiyama
- Department of Molecular and Cellular BioAnalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Yasushi Ishihama
- Department of Molecular and Cellular BioAnalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan.,Department of Proteomics and Drug Discovery, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Koshi Imami
- Department of Molecular and Cellular BioAnalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan.,PRESTO, Japan Science and Technology Agency (JST), 5-3 Yonban-cho, Chiyoda-ku, Tokyo 102-0075, Japan
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48
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DE Souza Dutra C, Martello CL, Cadore NA, Ferreira HB, Zaha A, Monteiro KM. Proteomic Analysis of the Non-genetic Response to Cisplatin in Lung Cancer Cells. CANCER DIAGNOSIS & PROGNOSIS 2021; 1:235-243. [PMID: 35399307 PMCID: PMC8962784 DOI: 10.21873/cdp.10032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 04/27/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Drug resistance is the main cause of therapy failure in advanced lung cancer. Although non-genetic mechanisms play important roles in tumor chemoresistance, drug-induced epigenetic reprogramming is still poorly understood. MATERIALS AND METHODS The A549 cell line was used to generate cells with non-genetic resistance to cisplatin (CDDP), namely A549/CDDP cells. Bioorthogonal non-canonical amino acid tagging (BONCAT) and mass spectrometry were used to identify proteins modulated by CDDP in A549 and A549/CDDP cells. RESULTS Proteins related to proteostasis, telomere maintenance, cell adhesion, cytoskeletal remodeling, and cell redox homeostasis were found enriched in both cell lines upon CDDP exposure. On the other hand, proteins involved in drug response, metabolic pathways and mRNA processing and splicing were up-regulated by CDDP only in A549/CDDP cells. CONCLUSION Our study revealed proteome dynamics involved in the non-genetic response to CDDP, pointing out potential targets to monitor and overcome epigenetic resistance in lung cancer.
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Affiliation(s)
- Cristine DE Souza Dutra
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carolina Lumertz Martello
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Nathan Araujo Cadore
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Henrique Bunselmeyer Ferreira
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Departamento de Biologia Molecular e Biotecnologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Arnaldo Zaha
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Departamento de Biologia Molecular e Biotecnologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Karina Mariante Monteiro
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Departamento de Biologia Molecular e Biotecnologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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49
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Elder MK, Erdjument-Bromage H, Oliveira MM, Mamcarz M, Neubert TA, Klann E. Age-dependent shift in the de novo proteome accompanies pathogenesis in an Alzheimer's disease mouse model. Commun Biol 2021; 4:823. [PMID: 34193971 PMCID: PMC8245541 DOI: 10.1038/s42003-021-02324-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 06/02/2021] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is an age-related neurodegenerative disorder associated with memory loss, but the AD-associated neuropathological changes begin years before memory impairments. Investigation of the early molecular abnormalities in AD might offer innovative opportunities to target memory impairment prior to onset. Decreased protein synthesis plays a fundamental role in AD, yet the consequences of this dysregulation for cellular function remain unknown. We hypothesize that alterations in the de novo proteome drive early metabolic alterations in the hippocampus that persist throughout AD progression. Using a combinatorial amino acid tagging approach to selectively label and enrich newly synthesized proteins, we found that the de novo proteome is disturbed in young APP/PS1 mice prior to symptom onset, affecting the synthesis of multiple components of the synaptic, lysosomal, and mitochondrial pathways. Furthermore, the synthesis of large clusters of ribosomal subunits were affected throughout development. Our data suggest that large-scale changes in protein synthesis could underlie cellular dysfunction in AD.
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Affiliation(s)
- Megan K Elder
- Center for Neural Science, New York University, New York, NY, USA
| | - Hediye Erdjument-Bromage
- Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, USA
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, NY, USA
| | | | - Maggie Mamcarz
- Center for Neural Science, New York University, New York, NY, USA
| | - Thomas A Neubert
- Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, USA
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, NY, USA
| | - Eric Klann
- Center for Neural Science, New York University, New York, NY, USA.
- NYU Neuroscience Institute, New York University Grossman School of Medicine, New York, NY, USA.
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Quantitative MS Workflow for a High-Quality Secretome Analysis by a Quantitative Secretome-Proteome Comparison. Methods Mol Biol 2021. [PMID: 33950499 DOI: 10.1007/978-1-0716-1024-4_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2023]
Abstract
Cells secrete proteins to communicate with their environment. Therefore, it is interesting to characterize the proteins which are released from cells under certain experimental conditions the so-called secretome. Here, often proteins from conditioned medium of cultured cells are analyzed, but these additionally might include also contaminating proteins of serum that have not been sufficiently removed or proteins from dying cells. To provide high-quality secretome data and minimize potential contaminants, we describe a quantitative comparison of conditioned medium and the cellular proteome. The described workflow comprises cell cultivation, sample preparation, and final data analysis which is based on the comparison of data from label-free mass spectrometric quantification of proteins from the conditioned medium with corresponding cellular proteomes enabling the detection of bona fide secreted proteins.
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