1
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Hay BN, Akinlaja MO, Baker TC, Houfani AA, Stacey RG, Foster LJ. Integration of data-independent acquisition (DIA) with co-fractionation mass spectrometry (CF-MS) to enhance interactome mapping capabilities. Proteomics 2023; 23:e2200278. [PMID: 37144656 DOI: 10.1002/pmic.202200278] [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: 10/28/2022] [Revised: 04/03/2023] [Accepted: 04/14/2023] [Indexed: 05/06/2023]
Abstract
Proteomics technologies are continually advancing, providing opportunities to develop stronger and more robust protein interaction networks (PINs). In part, this is due to the ever-growing number of high-throughput proteomics methods that are available. This review discusses how data-independent acquisition (DIA) and co-fractionation mass spectrometry (CF-MS) can be integrated to enhance interactome mapping abilities. Furthermore, integrating these two techniques can improve data quality and network generation through extended protein coverage, less missing data, and reduced noise. CF-DIA-MS shows promise in expanding our knowledge of interactomes, notably for non-model organisms (NMOs). CF-MS is a valuable technique on its own, but upon the integration of DIA, the potential to develop robust PINs increases, offering a unique approach for researchers to gain an in-depth understanding into the dynamics of numerous biological processes.
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Affiliation(s)
- Brenna N Hay
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Mopelola O Akinlaja
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Teesha C Baker
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Aicha Asma Houfani
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - R Greg Stacey
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Leonard J Foster
- Michael Smith Laboratories and Department of Biochemistry & Molecular Biology, University of British Columbia, Vancouver, BC, Canada
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2
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Alvarez-Rivera E, Ortiz-Hernández EJ, Lugo E, Lozada-Reyes LM, Boukli NM. Oncogenic Proteomics Approaches for Translational Research and HIV-Associated Malignancy Mechanisms. Proteomes 2023; 11:22. [PMID: 37489388 PMCID: PMC10366845 DOI: 10.3390/proteomes11030022] [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: 03/30/2023] [Revised: 06/09/2023] [Accepted: 06/29/2023] [Indexed: 07/26/2023] Open
Abstract
Recent advances in the field of proteomics have allowed extensive insights into the molecular regulations of the cell proteome. Specifically, this allows researchers to dissect a multitude of signaling arrays while targeting for the discovery of novel protein signatures. These approaches based on data mining are becoming increasingly powerful for identifying both potential disease mechanisms as well as indicators for disease progression and overall survival predictive and prognostic molecular markers for cancer. Furthermore, mass spectrometry (MS) integrations satisfy the ongoing demand for in-depth biomarker validation. For the purpose of this review, we will highlight the current developments based on MS sensitivity, to place quantitative proteomics into clinical settings and provide a perspective to integrate proteomics data for future applications in cancer precision medicine. We will also discuss malignancies associated with oncogenic viruses such as Acquire Immunodeficiency Syndrome (AIDS) and suggest novel mechanisms behind this phenomenon. Human Immunodeficiency Virus type-1 (HIV-1) proteins are known to be oncogenic per se, to induce oxidative and endoplasmic reticulum stresses, and to be released from the infected or expressing cells. HIV-1 proteins can act alone or in collaboration with other known oncoproteins, which cause the bulk of malignancies in people living with HIV-1 on ART.
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Affiliation(s)
- Eduardo Alvarez-Rivera
- Biomedical Proteomics Facility, Department of Microbiology and Immunology, Universidad Central del Caribe, School of Medicine, Bayamón, PR 00960, USA
| | - Emanuel J. Ortiz-Hernández
- Biomedical Proteomics Facility, Department of Microbiology and Immunology, Universidad Central del Caribe, School of Medicine, Bayamón, PR 00960, USA
| | - Elyette Lugo
- Biomedical Proteomics Facility, Department of Microbiology and Immunology, Universidad Central del Caribe, School of Medicine, Bayamón, PR 00960, USA
| | | | - Nawal M. Boukli
- Biomedical Proteomics Facility, Department of Microbiology and Immunology, Universidad Central del Caribe, School of Medicine, Bayamón, PR 00960, USA
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3
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Ignacio BJ, Dijkstra J, Mora N, Slot EFJ, van Weijsten MJ, Storkebaum E, Vermeulen M, Bonger KM. THRONCAT: metabolic labeling of newly synthesized proteins using a bioorthogonal threonine analog. Nat Commun 2023; 14:3367. [PMID: 37291115 PMCID: PMC10250548 DOI: 10.1038/s41467-023-39063-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/26/2023] [Indexed: 06/10/2023] Open
Abstract
Profiling the nascent cellular proteome and capturing early proteomic changes in response to external stimuli provides valuable insights into cellular physiology. Existing metabolic protein labeling approaches based on bioorthogonal methionine- or puromycin analogs allow for the selective visualization and enrichment of newly synthesized proteins. However, their applications are limited as they often require methionine-free conditions, auxotrophic cells and/or are toxic to cells. Here, we introduce THRONCAT, a threonine-derived non-canonical amino acid tagging method based on the bioorthogonal threonine analog β-ethynylserine (βES) that enables efficient labeling of the nascent proteome in complete growth media within minutes. We use THRONCAT for the visualization and enrichment of nascent proteins in bacteria, mammalian cells and Drosophila melanogaster. We profile immediate proteome dynamics of B-cells in response to B-cell receptor activation simply by adding βES to the culture medium, demonstrating the ease-of-use of the method and its potential to address diverse biological questions. In addition, using a Drosophila model of Charcot-Marie-Tooth peripheral neuropathy, we show that THRONCAT enables visualization and quantification of relative protein synthesis rates in specific cell types in vivo.
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Affiliation(s)
- Bob J Ignacio
- Department of Synthetic Organic Chemistry, Chemical Biology Lab, Radboud University, Heyendaalseweg 135, 6525AJ, Nijmegen, the Netherlands
| | - Jelmer Dijkstra
- Department of Molecular Biology, Radboud Institute for Molecular Life Sciences, Oncode Institute, Radboud University, Nijmegen, the Netherlands
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Natalia Mora
- Molecular Neurobiology Laboratory, Donders Center for Neuroscience, Donders Institute for Brain, Cognition and Behaviour and Faculty of Science, Radboud University, Nijmegen, the Netherlands
| | - Erik F J Slot
- Molecular Neurobiology Laboratory, Donders Center for Neuroscience, Donders Institute for Brain, Cognition and Behaviour and Faculty of Science, Radboud University, Nijmegen, the Netherlands
| | - Margot J van Weijsten
- Department of Synthetic Organic Chemistry, Chemical Biology Lab, Radboud University, Heyendaalseweg 135, 6525AJ, Nijmegen, the Netherlands
| | - Erik Storkebaum
- Molecular Neurobiology Laboratory, Donders Center for Neuroscience, Donders Institute for Brain, Cognition and Behaviour and Faculty of Science, Radboud University, Nijmegen, the Netherlands
| | - Michiel Vermeulen
- Department of Molecular Biology, Radboud Institute for Molecular Life Sciences, Oncode Institute, Radboud University, Nijmegen, the Netherlands
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Kimberly M Bonger
- Department of Synthetic Organic Chemistry, Chemical Biology Lab, Radboud University, Heyendaalseweg 135, 6525AJ, Nijmegen, the Netherlands.
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4
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Marvin DL, Dijkstra J, Zulfiqar RM, Vermeulen M, Ten Dijke P, Ritsma L. TGF-β Type I Receptor Signaling in Melanoma Liver Metastases Increases Metastatic Outgrowth. Int J Mol Sci 2023; 24:ijms24108676. [PMID: 37240029 DOI: 10.3390/ijms24108676] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/07/2023] [Accepted: 04/14/2023] [Indexed: 05/28/2023] Open
Abstract
Despite advances in treatment for metastatic melanoma patients, patients with liver metastasis have an unfavorable prognosis. A better understanding of the development of liver metastasis is needed. The multifunctional cytokine Transforming Growth Factor β (TGF-β) plays various roles in melanoma tumors and metastasis, affecting both tumor cells and cells from the surrounding tumor microenvironment. To study the role of TGF-β in melanoma liver metastasis, we created a model to activate or repress the TGF-β receptor pathway in vitro and in vivo in an inducible manner. For this, we engineered B16F10 melanoma cells to have inducible ectopic expression of a constitutively active (ca) or kinase-inactive (ki) TGF-β receptor I, also termed activin receptor-like kinase (ALK5). In vitro, stimulation with TGF-β signaling and ectopic caALK5 expression reduced B16F10 cell proliferation and migration. Contrasting results were found in vivo; sustained caALK5 expression in B16F10 cells in vivo increased the metastatic outgrowth in liver. Blocking microenvironmental TGF-β did not affect metastatic liver outgrowth of both control and caALK5 expressing B16F10 cells. Upon characterizing the tumor microenvironment of control and caALk5 expressing B16F10 tumors, we observed reduced (cytotoxic) T cell presence and infiltration, as well as an increase in bone marrow-derived macrophages in caALK5 expressing B16F10 tumors. This suggests that caALK5 expression in B16F10 cells induces changes in the tumor microenvironment. A comparison of newly synthesized secreted proteins upon caALK5 expression by B16F10 cells revealed increased secretion of matrix remodeling proteins. Our results show that TGF-β receptor activation in B16F10 melanoma cells can increase metastatic outgrowth in liver in vivo, possibly through remodeling of the tumor microenvironment leading to altered infiltration of immune cells. These results provide insights in the role of TGF-β signaling in B16F10 liver metastasis and could have implications regarding the use of TGF-β inhibitors for the treatment of melanoma patients with liver metastasis.
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Affiliation(s)
- Dieuwke L Marvin
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - Jelmer Dijkstra
- Oncode Institute and Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University, 6525 GA Nijmegen, The Netherlands
| | - Rabia M Zulfiqar
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - Michiel Vermeulen
- Oncode Institute and Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University, 6525 GA Nijmegen, The Netherlands
| | - Peter Ten Dijke
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - Laila Ritsma
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
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5
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MacEwen MJ, Rusnac DV, Ermias H, Locke TM, Gizinski HE, Dexter JP, Sancak Y. Mathematical modeling and biochemical analysis support partially ordered calmodulin-myosin light chain kinase binding. iScience 2023; 26:106146. [PMID: 36968084 PMCID: PMC10031086 DOI: 10.1016/j.isci.2023.106146] [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: 07/22/2022] [Revised: 11/30/2022] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Activation of myosin light chain kinase (MLCK) by calcium ions (Ca2+) and calmodulin (CaM) plays an important role in numerous cellular functions including vascular smooth muscle contraction and cellular motility. Despite extensive biochemical analysis, aspects of the mechanism of activation remain controversial, and competing theoretical models have been proposed for the binding of Ca2+ and CaM to MLCK. The models are analytically solvable for an equilibrium steady state and give rise to distinct predictions that hold regardless of the numerical values assigned to parameters. These predictions form the basis of a recently proposed, multi-part experimental strategy for model discrimination. Here we implement this strategy by measuring CaM-MLCK binding using an in vitro FRET system. Interpretation of binding data in light of the mathematical models suggests a partially ordered mechanism for binding CaM to MLCK. Complementary data collected using orthogonal approaches that assess CaM-MLCK binding further support this conclusion.
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Affiliation(s)
| | | | - Henok Ermias
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Timothy M. Locke
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Hayden E. Gizinski
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Joseph P. Dexter
- Data Science Initiative and Department of Human Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
| | - Yasemin Sancak
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
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6
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Long MJC, Liu J, Aye Y. Finding a vocation for validation: taking proteomics beyond association and location. RSC Chem Biol 2023; 4:110-120. [PMID: 36794020 PMCID: PMC9906375 DOI: 10.1039/d2cb00214k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/01/2022] [Indexed: 12/03/2022] Open
Abstract
First established in the seventies, proteomics, chemoproteomics, and most recently, spatial/proximity-proteomics technologies have empowered researchers with new capabilities to illuminate cellular communication networks that govern sophisticated decision-making processes. With an ever-growing inventory of these advanced proteomics tools, the onus is upon the researchers to understand their individual advantages and limitations, such that we can ensure rigorous implementation and conclusions derived from critical data interpretations backed up by orthogonal series of functional validations. This perspective-based on the authors' experience in applying varied proteomics workflows in complex living models-underlines key book-keeping considerations, comparing and contrasting most-commonly-deployed modern proteomics profiling technologies. We hope this article stimulates thoughts among expert users and equips new-comers with practical knowhow of what has become an indispensable tool in chemical biology, drug discovery, and broader life-science investigations.
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Affiliation(s)
- Marcus J. C. Long
- University of Lausanne (UNIL)Switzerland,NCCR Chemical Biology, University of Geneva (UNIGE)Switzerland
| | - Jinmin Liu
- Swiss Federal Institute of Technology Lausanne (EPFL) Switzerland .,NCCR Chemical Biology, University of Geneva (UNIGE) Switzerland
| | - Yimon Aye
- Swiss Federal Institute of Technology Lausanne (EPFL) Switzerland .,NCCR Chemical Biology, University of Geneva (UNIGE) Switzerland
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7
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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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8
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Firdous P, Hassan T, Farooq S, Nissar K. Applications of proteomics in cancer diagnosis. Proteomics 2023. [DOI: 10.1016/b978-0-323-95072-5.00014-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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9
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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: 8] [Impact Index Per Article: 4.0] [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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10
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Hassan S, Sabreena, Khurshid Z, Bhat SA, Kumar V, Ameen F, Ganai BA. Marine Bacteria and Omic Approaches: A Novel and Potential Repository for Bioremediation Assessment. J Appl Microbiol 2022; 133:2299-2313. [PMID: 35818751 DOI: 10.1111/jam.15711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 07/01/2022] [Indexed: 10/17/2022]
Abstract
Marine environments accommodating diverse assortments of life constitute a great pool of differentiated natural resources. The cumulative need to remedy unpropitious effects of anthropogenic activities on estuaries, and coastal marine ecosystems has propelled the development of effective bioremediation strategies. Marine bacteria producing biosurfactants are promising agents for bio-remediating oil pollution in marine environments, making them prospective candidates for enhancing oil recovery. Molecular omics technologies are considered an emerging field of research in ecological and diversity assessment owing to their utility in environmental surveillance and bioremediation of polluted sites. A thorough literature review was undertaken to understand the applicability of different omic techniques employed for bioremediation assessment using marine bacteria. This review further establishes that for bioremediation of environmental pollutants (i.e., heavy metals, hydrocarbons, xenobiotic and numerous recalcitrant compounds), organisms isolated from marine environments can be better utilized for their removal. The literature survey shows that omics approaches can provide exemplary knowledge about microbial communities and their role in the bioremediation of environmental pollutants. This review centres on applications of marine bacteria in enhanced bioremediation, utilizing the omics approaches that can be a vital biological contrivance in environmental monitoring to tackle environmental degradation. The paper aims to identify the gaps in investigations involving marine bacteria to help researchers, ecologists, and decision-makers to develop a holistic understanding regarding their utility in bioremediation assessment.
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Affiliation(s)
- Shahnawaz Hassan
- Department of Environmental Science, University of Kashmir, India
| | - Sabreena
- Department of Environmental Science, University of Kashmir, India
| | | | | | - Vineet Kumar
- Department of Botany, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur, Chhattisgarh-495009, India
| | - Fuad Ameen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
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11
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Choi S, Engelke R, Goswami N, Schmidt F. Proteomic profiling of metformin effects in 3T3-L1 adipocytes by SILAC-based quantification. Proteomics 2022; 22:e2100196. [PMID: 35275438 DOI: 10.1002/pmic.202100196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 02/27/2022] [Accepted: 03/04/2022] [Indexed: 11/12/2022]
Abstract
Metformin is a common and generally the first medication prescribed for treatment of type 2 diabetes. Its mechanism involves affecting pathways that regulate glucose and lipid metabolism in metabolic cells such as that of muscle and liver cells. In spite of various studies exploring its effects, the proteome changes in adipocytes in response to metformin remains poorly understood. In this study, we performed SILAC-based quantitative proteomic profiling to study the effects of metformin specifically on 3T3-L1 adipocytes. We define proteins that exhibited altered levels with metformin treatment, 400 of them showing statistically significant changes in our study. Our results suggest that metformin affects not only the PPARγ signaling pathway, as well as glucose and lipid metabolism, but also protein folding, endoplasmic reticulum stress, negative regulation of appetite, and one-carbon folate metabolism in adipocytes. This proteomic investigation provides important insight into effects of metformin in adipocytes. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Sunkyu Choi
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation - Education City, Doha, PO 24144, Qatar
| | - Rudolf Engelke
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation - Education City, Doha, PO 24144, Qatar
| | - Neha Goswami
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation - Education City, Doha, PO 24144, Qatar
| | - Frank Schmidt
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation - Education City, Doha, PO 24144, Qatar
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12
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Lan Y, Zeng X, Xiao J, Hu L, Tan L, Liang M, Wang X, Lu S, Long F, Peng T. New advances in quantitative proteomics research and current applications in asthma. Expert Rev Proteomics 2021; 18:1045-1057. [PMID: 34890515 DOI: 10.1080/14789450.2021.2017777] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Asthma is the most common chronic respiratory disease and has been declared a global public health problem by the World Health Organization. Due to the high heterogeneity and complexity, asthma can be classified into different 'phenotypes' and it is still difficult to assess the phenotypes and stages of asthma by traditional methods. In recent years, mass spectrometry-based proteomics studies have made significant progress in sensitivity and accuracy of protein identification and quantitation, and are able to obtain differences in protein expression across samples, which provides new insights into the mechanisms and classification of asthma. AREAS COVERED In this article, we summarize research strategies in quantitative proteomics, including labeled, label-free and targeted quantification, and highlight the advantages and disadvantages of each. In addition, new applications of quantitative proteomics and the current status of research in asthma have also been discussed. In this study, online resources such as PubMed and Google Scholar were used for literature retrieval. EXPERT OPINION The application of quantitative proteomics in asthma has an important role in identifying asthma subphenotypes, revealing potential pathogenesis and therapeutic targets. But the proteomic studies on asthma are not sufficient, as most of them are in the phase of biomarker discovery.
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Affiliation(s)
- Yanting Lan
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Xiaoyin Zeng
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Jing Xiao
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Longbo Hu
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Long Tan
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Mengdi Liang
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Xufei Wang
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Shaohua Lu
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Fei Long
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China
| | - Tao Peng
- Sino-French Hoffmann Institute of Immunology, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, College of Basic-Medical Science, Guangzhou Medical University, Guangzhou, China.,Guangdong South China Vaccine Co. Ltd, Guangzhou, China
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13
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Xing S, Pai A, Wu R, Lu Y. NHS-Ester Tandem Labeling in One Pot Enables 48-Plex Quantitative Proteomics. Anal Chem 2021; 93:12827-12832. [PMID: 34529408 DOI: 10.1021/acs.analchem.1c01314] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Stable-isotope labeling strategies are extensively used for multiplex quantitative proteomics. Hybrid-isotope labeling strategies that combine the use of isotopic mass difference labeling and isobaric tags can greatly increase sample multiplexity. In this work, we present a novel hybrid-isotope labeling approach that we termed NHS-ester tandem labeling in one pot (NETLOP). We first optimized 16-plex isobaric TMTpro labeling of lysine residues followed by 2-plex or 3-plex isotopic mTRAQ labeling of peptide N-termini, both of which with commercially available NHS-ester reactive reagents. We then demonstrated the utility of the NETLOP approach by labeling HeLa cell samples and performing proof-of-principle quantitative 32-plex and 48-plex proteomic analyses, each in a single LC-MS/MS experiment. Compared to current hybrid-isotope labeling methods, our NETLOP approach requires no sample cleanup between different labeling steps to minimize sample loss, induces no retention time shifts that compromise quantification accuracy, can be adapted to other NHS-ester isotopic labeling reagents to further increase multiplexity, and is compatible with samples from any origin in a wide array of biological and clinical proteomics applications.
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Affiliation(s)
- Sansi Xing
- Department of Biochemistry and Biomedical Sciences, McMaster University, Michael G. DeGroote Centre for Learning and Centre, Room 5033, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada
| | - Akshat Pai
- Department of Biochemistry and Biomedical Sciences, McMaster University, Michael G. DeGroote Centre for Learning and Centre, Room 5033, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada
| | - Ruilin Wu
- Department of Biochemistry and Biomedical Sciences, McMaster University, Michael G. DeGroote Centre for Learning and Centre, Room 5033, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada
| | - Yu Lu
- Department of Biochemistry and Biomedical Sciences, McMaster University, Michael G. DeGroote Centre for Learning and Centre, Room 5033, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada
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14
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Zhang Y, Liu Y, Luo J, Jie J, Deng X, Song L. The Herbal Compound Thymol Targets Multiple Salmonella Typhimurium Virulence Factors for Lon Protease Degradation. Front Pharmacol 2021; 12:674955. [PMID: 34512322 PMCID: PMC8427694 DOI: 10.3389/fphar.2021.674955] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 07/16/2021] [Indexed: 11/25/2022] Open
Abstract
Many important bacterial pathogens are using the type III secretion system to deliver effectors into host cells. Salmonella Typhimurium (S. Typhimurium) is a pathogenic Gram-negative bacterium with the type III secretion system as its major virulence factor. Our previous studies demonstrated that thymol, a monoterpene phenol derivative of cymene, inhibited S. Typhimurium invasion into mammalian cells and protected mice from infection. However, the antibacterial mechanism of thymol is not clear. In this study, we revealed that thymol interferes with the abundance of about 100 bacterial proteins through proteomic analysis. Among the 42 proteins whose abundance was reduced, 11 were important virulence factors associated with T3SS-1. Further analyses with SipA revealed that thymol directly interacts with this protein to induce conformational changes, which makes it susceptible to the Lon protease. In agreement with this observation, thymol effectively blocks cell invasion by S. Typhimurium. Thus, thymol represents a class of anti-virulence compounds that function by targeting pathogenic factors for degradation.
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Affiliation(s)
- Yong Zhang
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China.,Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yan Liu
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jingjing Luo
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Jing Jie
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
| | - Xuming Deng
- Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Lei Song
- Department of Respiratory Medicine, Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun, China
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15
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Miles HN, Delafield DG, Li L. Recent Developments and Applications of Quantitative Proteomics Strategies for High-Throughput Biomolecular Analyses in Cancer Research. RSC Chem Biol 2021; 4:1050-1072. [PMID: 34430874 PMCID: PMC8341969 DOI: 10.1039/d1cb00039j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/18/2021] [Indexed: 12/28/2022] Open
Abstract
Innovations in medical technology and dedicated focus from the scientific community have inspired numerous treatment strategies for benign and invasive cancers. While these improvements often lend themselves to more positive prognoses and greater patient longevity, means for early detection and severity stratification have failed to keep pace. Detection and validation of cancer-specific biomarkers hinges on the ability to identify subtype-specific phenotypic and proteomic alterations and the systematic screening of diverse patient groups. For this reason, clinical and scientific research settings rely on high throughput and high sensitivity mass spectrometry methods to discover and quantify unique molecular perturbations in cancer patients. Discussed within is an overview of quantitative proteomics strategies and a summary of recent applications that enable revealing potential biomarkers and treatment targets in prostate, ovarian, breast, and pancreatic cancer in a high throughput manner.
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Affiliation(s)
- Hannah N. Miles
- School of Pharmacy, University of Wisconsin-Madison777 Highland AvenueMadisonWI53705-2222USA+1-608-262-5345+1-608-265-8491
| | | | - Lingjun Li
- School of Pharmacy, University of Wisconsin-Madison777 Highland AvenueMadisonWI53705-2222USA+1-608-262-5345+1-608-265-8491
- Department of Chemistry, University of Wisconsin-MadisonMadisonWI53706USA
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16
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Daniels CM, Nuccio A, Kaplan PR, Nita-Lazar A. Simultaneous, Quantitative Characterization of Protein ADP-Ribosylation and Protein Phosphorylation in Macrophages. Methods Mol Biol 2021; 2184:145-160. [PMID: 32808224 DOI: 10.1007/978-1-0716-0802-9_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The posttranslational modifications (PTMs) ADP-ribosylation and phosphorylation are important regulators of cellular pathways, and while mass spectrometry (MS)-based methods for the study of protein phosphorylation are well developed, protein ADP-ribosylation methodologies are still in a rapidly developing stage. The method described in this chapter uses immobilized metal affinity chromatography (IMAC), a phosphoenrichment matrix, to enrich ADP-ribosylated peptides which have been cleaved down to their phosphoribose attachment sites by a phosphodiesterase, thus isolating the ADP-ribosylated and phosphorylated proteomes simultaneously. To achieve the robust, relative quantification of PTM-level changes we have incorporated dimethyl labeling, a straightforward and economical choice which can be used on lysate from any cell type, including primary tissue. The entire pipeline has been optimized to work in ADP-ribosylation-compatible buffers and with protease-laden lysate from macrophage cells.
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Affiliation(s)
- Casey M Daniels
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Arthur Nuccio
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Pauline R Kaplan
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Aleksandra Nita-Lazar
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
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17
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Brunner AM, Lössl P, Geurink PP, Ovaa H, Albanese P, Altelaar AFM, Heck AJR, Scheltema RA. Quantifying Positional Isomers (QPI) by Top-Down Mass Spectrometry. Mol Cell Proteomics 2021; 20:100070. [PMID: 33711480 PMCID: PMC8099777 DOI: 10.1016/j.mcpro.2021.100070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 02/10/2021] [Accepted: 03/05/2021] [Indexed: 11/26/2022] Open
Abstract
Proteomics has exposed a plethora of posttranslational modifications, but demonstrating functional relevance requires new approaches. Top-down proteomics of intact proteins has the potential to fully characterize protein modifications in terms of amount, site(s), and the order in which they are deposited on the protein; information that so far has been elusive to extract by shotgun proteomics. Data acquisition and analysis of intact multimodified proteins have however been a major challenge, in particular for positional isomers that carry the same number of modifications at different sites. Solutions were previously proposed to extract this information from fragmentation spectra, but these have so far mainly been limited to peptides and have entailed a large degree of manual interpretation. Here, we apply high-resolution Orbitrap fusion top-down analyses in combination with bioinformatics approaches to attempt to characterize multiple modified proteins and quantify positional isomers. Automated covalent fragment ion type definition, detection of mass precision and accuracy, and extensive use of replicate spectra increase sequence coverage and drive down false fragment assignments from 10% to 1.5%. Such improved performance in fragment assignment is key to localize and quantify modifications from fragment spectra. The method is tested by investigating positional isomers of Ubiquitin mixed in known concentrations, which results in quantification of high ratios at very low standard errors of the mean (<5%), as well as with synthetic phosphorylated peptides. Application to multiphosphorylated Bora provides an estimation of the so far unknown stoichiometry of the known set of phosphosites and uncovers new sites from hyperphosphorylated Bora. ETD fragmentation reveals the presence of positional isomers. For proteins up to 40 kDa these positional isomers can accurately be quantified. For in-vitro phosphorylated BoraNT a wide array of positional isomers is revealed. Use of Fragment ion FDR levels improve the quality of extracted stoichiometries.
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Affiliation(s)
- Andrea M Brunner
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands
| | - Philip Lössl
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands
| | - Paul P Geurink
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - Huib Ovaa
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - P Albanese
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands
| | - A F Maarten Altelaar
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands
| | - Albert J R Heck
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands
| | - Richard A Scheltema
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands; Netherlands Proteomics Center, Utrecht University, Utrecht, the Netherlands.
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18
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Zaikin VG, Borisov RS. Options of the Main Derivatization Approaches for Analytical ESI and MALDI Mass Spectrometry. Crit Rev Anal Chem 2021; 52:1287-1342. [PMID: 33557614 DOI: 10.1080/10408347.2021.1873100] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The inclusion of preliminary chemical labeling (derivatization) in the analysis process by such powerful and widespread methods as electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) is a popular and widely used methodological approach. This is due to the need to remove some fundamental limitations inherent in these powerful analytic methods. Although a number of special reviews has been published discussing the utilization of derivatization approaches, the purpose of the present critical review is to comprehensively summarize, characterize and evaluate most of the previously developed and practically applied, as well as recently proposed representative derivatization reagents for ESI-MS and MALDI-MS platforms in their mostly sensitive positive ion mode and frequently hyphenated with separation techniques. The review is focused on the use of preliminary chemical labeling to facilitate the detection, identification, structure elucidation, quantification, profiling or MS imaging of compounds within complex matrices. Two main derivatization approaches, namely the introduction of permanent charge-fixed or highly proton affinitive residues into analytes are critically evaluated. In situ charge-generation, charge-switch and charge-transfer derivatizations are considered separately. The potential of using reactive matrices in MALDI-MS and chemical labeling in MS-based omics sciences is given.
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Affiliation(s)
- Vladimir G Zaikin
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Roman S Borisov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
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19
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Wei X, Qi B, Ma R, Zhang Y, Liu N, Fang S, Zhu Y, Xie Y, Dai J, Zhu L. Quantitative Proteomics Revealed the Pharmacodynamic Network of Bugu Shengsui Decoction Promoting Osteoblast Proliferation. Front Endocrinol (Lausanne) 2021; 12:833474. [PMID: 35145485 PMCID: PMC8822948 DOI: 10.3389/fendo.2021.833474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 12/24/2021] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND OBJECTIVE With high morbidity and disability, osteoporosis is a worldwide bone metabolism disease, regulated by complex pathological processes. Insufficient osteogenesis is greatly essential to osteoporosis. Traditional Chinese Medicine, a complex natural herbal medicine system, has increasingly attracted attention all over the world. Bugu Shengsui Decoction, a compound formula for osteoporosis, has significant clinical effects in the treatment of osteoporosis. Yet the detailed mechanisms are unclear. Thus, we investigated the effects and mechanism of Bugu Shengsui Decoction on osteoporotic rats and osteoblasts in vitro. METHODS In this study, we evaluated the effect of Bugu Shengsui Decoction in an animal model of orchiectomy. Multi-pharmacology indexes revealed that Bugu Shengsui Decoction obviously improved bone metabolism, bone mineral density, bone morphology, and biomechanics in the castrated rats. Then, serum pharmacology was employed to unveil that Bugu Shengsui Decoction promoted the proliferation and differentiation of osteoblasts. Moreover, quantitative proteomics combined with RNA interference assay was used to analyze and verify the pathway and key targets in pro-proliferation of MC3T3-E1 cells. RESULTS Bugu Shengsui Decoction obviously improved the worse parameters of bone metabolism, bone mineral density, bone morphology, and biomechanics in a castrated rat model. In vitro, Bugu Shengsui Decoction exerted proliferation- and differentiation-promoting effects of osteoblasts induced by serum starvation. Moreover, quantitative proteomics analysis combined with RNA interfere assay illustrated that Bugu Shengsui Decoction promoted osteogenesis via the PI3K-AKT pathway. CONCLUSION Summarily, our discoveries certify that Bugu Shengsui Decoction is an effective treatment for osteoporosis via PI3K-AKT. This study is not only a beneficial attempt to explore the detailed mechanism of Traditional Chinese formula but also will provide inspiration for the treatment strategy of osteoporosis.
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Affiliation(s)
- Xu Wei
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baoyu Qi
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ruyun Ma
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Yili Zhang
- School of Traditional Chinese Medicine & School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ning Liu
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shengjie Fang
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanning Zhu
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Yanming Xie
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Yanming Xie, ; Jianye Dai, ; Liguo Zhu,
| | - Jianye Dai
- School of Pharmacy, Lanzhou University, Lanzhou, China
- Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Lanzhou, China
- *Correspondence: Yanming Xie, ; Jianye Dai, ; Liguo Zhu,
| | - Liguo Zhu
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Yanming Xie, ; Jianye Dai, ; Liguo Zhu,
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20
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Taverna D, Gaspari M. A critical comparison of three MS-based approaches for quantitative proteomics analysis. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4669. [PMID: 33128495 DOI: 10.1002/jms.4669] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/07/2020] [Accepted: 10/10/2020] [Indexed: 06/11/2023]
Abstract
MS-based proteomics is expanding its role as a routine tool for biological discovery. Nevertheless, the task of accurately and precisely quantifying thousands of analytes in a single experiment remains challenging. In this study, the diagnostic accuracy of three popular data-dependent methods for protein relative quantification (label-free [LF], dimethyl labelling [DML] and tandem mass tags [TMT]) has been assessed using a mixed species proteome (three species) and five experimental replicates per condition. Data were produced using a quadrupole-Orbitrap mass spectrometer and analysed using a single platform (the MaxQuant/Perseus software suite). The whole comparative analysis was repeated three times over a period of 6 months, in order to assess the consistency of the reported findings. As expected, label-based methods reproducibly provided a lower false positives rate, whereas TMT and LF performed similarly, and significantly better than DML, in terms of proteome coverage using the same instrument time. Although parameters like proteome coverage and precision were consistent in between replicates, other parameters like sensitivity, intended as the capacity of correctly classifying true positives (regulated proteins), were found to be less reproducible, especially at challenging fold-changes (1.5). Collectively, data suggest that an increased interest in data reproducibility would be desirable in the quantitative proteomics field.
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Affiliation(s)
- Domenico Taverna
- Research Centre for Advanced Biochemistry and Molecular Biology, Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Marco Gaspari
- Research Centre for Advanced Biochemistry and Molecular Biology, Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, Catanzaro, Italy
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21
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Quantitative determination of osteopontin in bovine, buffalo, yak, sheep and goat milk by Ultra-high performance liquid chromatography-tandem mass spectrometry and stable isotope dimethyl labeling. Food Chem 2020; 343:128489. [PMID: 33153809 DOI: 10.1016/j.foodchem.2020.128489] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/16/2020] [Accepted: 10/23/2020] [Indexed: 11/20/2022]
Abstract
Osteopontin (OPN) is a multifunctional protein present in different tissues, body fluids and milk. Different milk has different level of OPN content. To determine the amount of osteopontin in bovine, buffalo, yak, sheep and goat milk, we developed an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method to detect an osteopontin signature peptide. The signature peptides selected by searching Uniprot database for trypsin digested osteopontin. The sample preparation procedure includes trypsin digestion, dimethyl labeling of tryptic peptides, purification and concentration of labeled tryptic peptide with solid phase extraction. The limit of detection and limit of quantification are 0.5 mg L-1 and 2.0 mg L-1, respectively. The method has satisfactory analytical performance with a linearity of R2 ≥ 0.998, recoveries of 103.7-111.0%, and precision of 1.8-6.2%. It is also validated and successfully applied to quantifying osteopontin content in bovine, buffalo, yak, sheep and goat milk.
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22
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Pierce JV, Fellows JD, Anderson DE, Bernstein HD. A clostripain-like protease plays a major role in generating the secretome of enterotoxigenic Bacteroides fragilis. Mol Microbiol 2020; 115:290-304. [PMID: 32996200 DOI: 10.1111/mmi.14616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 11/27/2022]
Abstract
Bacteroides fragilis toxin (BFT) is a protein secreted by enterotoxigenic (ETBF) strains of B. fragilis. BFT is synthesized as a proprotein (proBFT) that is predicted to be a lipoprotein and that is cleaved into two discrete fragments by a clostripain-like protease called fragipain (Fpn). In this study, we obtained evidence that Fpn cleaves proBFT following its transport across the outer membrane. Remarkably, we also found that the disruption of the fpn gene led to a strong reduction in the level of >100 other proteins, many of which are predicted to be lipoproteins, in the culture medium of an ETBF strain. Experiments performed with purified Fpn provided direct evidence that the protease releases at least some of these proteins from the cell surface. The observation that wild-type cells outcompeted an fpn- strain in co-cultivation assays also supported the notion that Fpn plays an important role in cell physiology and is not simply dedicated to toxin biogenesis. Finally, we found that purified Fpn altered the adhesive properties of HT29 intestinal epithelial cells. Our results suggest that Fpn is a broad-spectrum protease that not only catalyzes the protein secretion on a wide scale but that also potentially cleaves host cell proteins during colonization.
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Affiliation(s)
- Jessica V Pierce
- Genetics and Biochemistry Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Justin D Fellows
- Genetics and Biochemistry Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - D Eric Anderson
- Advanced Mass Spectrometry Facility, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Harris D Bernstein
- Genetics and Biochemistry Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
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23
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Choi S, Goswami N, Schmidt F. Comparative Proteomic Profiling of 3T3-L1 Adipocyte Differentiation Using SILAC Quantification. J Proteome Res 2020; 19:4884-4900. [PMID: 32991178 DOI: 10.1021/acs.jproteome.0c00475] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Adipocyte differentiation is a general physiological process that is also critical for metabolic syndrome. In spite of extensive study in the past two decades, adipogenesis is a still complex cellular process that is accompanied by complicated molecular mechanisms. Here, we performed SILAC-based quantitative global proteomic profiling of 3T3-L1 adipocyte differentiation. We report protein changes to the proteome profiles, with 354 proteins exhibiting significant increase and 56 proteins showing decrease in our statistical analysis. Our results show that adipocyte differentiation is involved not only in metabolic processes by increasing TCA cycle, fatty acid synthesis, lipolysis, acetyl-CoA production, antioxidants, and electron transport, but also in nicotinamide metabolism, cristae formation, mitochondrial protein import, and Ca2+ transport into mitochondria and ER. A search for Chromosome-Centric Human Proteome Project (C-HPP) using neXtprot highlighted one protein with a protein existence uncertain (PE5) and 17 proteins as functionally uncharacterized protein existence 1 (uPE1). This study provides quantitative information on proteome changes in adipogenic differentiation, which is helpful in improving our understanding of the processes of adipogenesis.
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Affiliation(s)
- Sunkyu Choi
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation-Education City, PO 24144 Doha, Qatar
| | - Neha Goswami
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation-Education City, PO 24144 Doha, Qatar
| | - Frank Schmidt
- Proteomics Core, Weill Cornell Medicine-Qatar, Qatar Foundation-Education City, PO 24144 Doha, Qatar
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24
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Tang L, Wu Z, Wang J, Zhang X. Formaldehyde Derivatization: An Unexpected Side Reaction During Filter-Aided Sample Preparation. Anal Chem 2020; 92:12120-12125. [PMID: 32786431 DOI: 10.1021/acs.analchem.0c01981] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The filter-aided sample preparation (FASP) method has been commonly used for proteomic sample preparation due to its high efficiency in removing impurities. Herein, we report an overlooked +12 Da side modification during FASP method using Microcon spin filters. We confirmed that the side modification is caused by formaldehyde released from the spin filter and found that the side modification leads to 10.5% and 9.5% loss in proteome-level peptide and protein identification, respectively. We evaluated different pretreatment procedures to reduce the side reaction. Furthermore, on the basis of the evaluation results of different brands of spin filters, we recommend Nanosep spin filters for different proteomic studies, especially for amine-labeling proteomic studies. Our results would benefit researchers employing the spin filters to improve their results and also help spin filter manufacturers to improve the product quality. Data are available via ProteomeXchange with identifier PXD018737.
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Affiliation(s)
- Langlang Tang
- State Key Laboratory of Genetic Engineering, Department of Biochemistry, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Zhen Wu
- State Key Laboratory of Genetic Engineering, Department of Biochemistry, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Jie Wang
- State Key Laboratory of Genetic Engineering, Department of Biochemistry, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Xumin Zhang
- State Key Laboratory of Genetic Engineering, Department of Biochemistry, School of Life Sciences, Fudan University, Shanghai 200438, China
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25
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Petelski AA, Slavov N. Analyzing Ribosome Remodeling in Health and Disease. Proteomics 2020; 20:e2000039. [PMID: 32820594 PMCID: PMC7501214 DOI: 10.1002/pmic.202000039] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/01/2020] [Indexed: 12/24/2022]
Abstract
Increasing evidence suggests that ribosomes actively regulate protein synthesis. However, much of this evidence is indirect, leaving this layer of gene regulation largely unexplored, in part due to methodological limitations. Indeed, evidence is reviewed demonstrating that commonly used methods, such as transcriptomics, are inadequate because the variability in mRNAs coding for ribosomal proteins (RP) does not necessarily correspond to RP variability. Thus protein remodeling of ribosomes should be investigated by methods that allow direct quantification of RPs, ideally of isolated ribosomes. Such methods are reviewed, focusing on mass spectrometry and emphasizing method-specific biases and approaches to control these biases. It is argued that using multiple complementary methods can help reduce the danger of interpreting reproducible systematic biases as evidence for ribosome remodeling.
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Affiliation(s)
- Aleksandra A Petelski
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, USA
- Barnett Institute, Northeastern University, Boston, MA, 02115, USA
- Department of Biology, Northeastern University, Boston, MA, 02115, USA
| | - Nikolai Slavov
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, USA
- Barnett Institute, Northeastern University, Boston, MA, 02115, USA
- Department of Biology, Northeastern University, Boston, MA, 02115, USA
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Doellinger J, Blumenscheit C, Schneider A, Lasch P. Isolation Window Optimization of Data-Independent Acquisition Using Predicted Libraries for Deep and Accurate Proteome Profiling. Anal Chem 2020; 92:12185-12192. [DOI: 10.1021/acs.analchem.0c00994] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Joerg Doellinger
- Robert Koch-Institute, Centre for Biological Threats and Special Pathogens, Proteomics and Spectroscopy (ZBS6), 13353 Berlin, Germany
| | - Christian Blumenscheit
- Robert Koch-Institute, Centre for Biological Threats and Special Pathogens, Proteomics and Spectroscopy (ZBS6), 13353 Berlin, Germany
| | - Andy Schneider
- Robert Koch-Institute, Centre for Biological Threats and Special Pathogens, Proteomics and Spectroscopy (ZBS6), 13353 Berlin, Germany
| | - Peter Lasch
- Robert Koch-Institute, Centre for Biological Threats and Special Pathogens, Proteomics and Spectroscopy (ZBS6), 13353 Berlin, Germany
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Gabrovsek L, Collins KB, Aggarwal S, Saunders LM, Lau HT, Suh D, Sancak Y, Trapnell C, Ong SE, Smith FD, Scott JD. A-kinase-anchoring protein 1 (dAKAP1)-based signaling complexes coordinate local protein synthesis at the mitochondrial surface. J Biol Chem 2020; 295:10749-10765. [PMID: 32482893 PMCID: PMC7397098 DOI: 10.1074/jbc.ra120.013454] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/20/2020] [Indexed: 12/30/2022] Open
Abstract
Compartmentalization of macromolecules is a ubiquitous molecular mechanism that drives numerous cellular functions. The appropriate organization of enzymes in space and time enables the precise transmission and integration of intracellular signals. Molecular scaffolds constrain signaling enzymes to influence the regional modulation of these physiological processes. Mitochondrial targeting of protein kinases and protein phosphatases provides a means to locally control the phosphorylation status and action of proteins on the surface of this organelle. Dual-specificity protein kinase A anchoring protein 1 (dAKAP1) is a multivalent binding protein that targets protein kinase A (PKA), RNAs, and other signaling enzymes to the outer mitochondrial membrane. Many AKAPs recruit a diverse set of binding partners that coordinate a broad range of cellular processes. Here, results of MS and biochemical analyses reveal that dAKAP1 anchors additional components, including the ribonucleoprotein granule components La-related protein 4 (LARP4) and polyadenylate-binding protein 1 (PABPC1). Local translation of mRNAs at organelles is a means to spatially control the synthesis of proteins. RNA-Seq data demonstrate that dAKAP1 binds mRNAs encoding proteins required for mitochondrial metabolism, including succinate dehydrogenase. Functional studies suggest that the loss of dAKAP1-RNA interactions reduces mitochondrial electron transport chain activity. Hence, dAKAP1 plays a previously unappreciated role as a molecular interface between second messenger signaling and local protein synthesis machinery.
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Affiliation(s)
- Laura Gabrovsek
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
- Program in Molecular and Cellular Biology, University of Washington, Seattle, Washington, USA
| | - Kerrie B Collins
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - Stacey Aggarwal
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - Lauren M Saunders
- Program in Molecular and Cellular Biology, University of Washington, Seattle, Washington, USA
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
| | - Ho-Tak Lau
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - Danny Suh
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - Yasemin Sancak
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - Cole Trapnell
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
| | - Shao-En Ong
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - F Donelson Smith
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
| | - John D Scott
- Department of Pharmacology, University of Washington, Seattle, Washington, USA
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28
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Itze-Mayrhofer C, Brem G. Quantitative proteomic strategies to study reproduction in farm animals: Female reproductive fluids. J Proteomics 2020; 225:103884. [PMID: 32593762 DOI: 10.1016/j.jprot.2020.103884] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/10/2020] [Accepted: 06/21/2020] [Indexed: 02/06/2023]
Abstract
Reproductive fluids from the female reproductive tract are gaining attention for their potential to support and optimize reproductive processes, including gamete maturation and embryo culture in vitro. Quantitative proteomics is a powerful way to decipher the proteome of reproductive tract fluids and to identify biologically relevant proteins. The present review describes proteomic strategies for analysing female reproductive fluid proteins. In addition, it considers the strategies for the preparation of oviductal, uterine and follicular fluid samples. Finally, it highlights the main results of quantitative proteomic studies, providing insights into the biological processes related to reproductive biology in farm animals. SIGNIFICANCE: Assisted reproductive technologies (ARTs) have become vitally important for farm animal breeding and much effort is going into the optimization and refinement of the techniques. There are also attempts to imitate physiological conditions by adding reproductive fluids or individual fluid proteins to improve in vitro procedures. A detailed knowledge of the reproductive fluid proteomes is indispensable. The present review summarizes the most widely used quantitative proteomic approaches for the analysis of fluids from the female reproductive tract and highlights the potential of quantitative proteomics to delineate reproductive processes and identify candidate proteins for ARTs in farm animals.
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Affiliation(s)
- Corina Itze-Mayrhofer
- Institute of Animal Breeding and Genetics, Group Molecular Reproduction IFA-Tulln, University of Veterinary Medicine, Vienna, Austria.
| | - Gottfried Brem
- Institute of Animal Breeding and Genetics, Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
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29
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Zhang X, Ruan C, Zhu H, Li K, Zhang W, Wang K, Hu L, Ye M. A Simplified Thermal Proteome Profiling Approach to Screen Protein Targets of a Ligand. Proteomics 2020; 20:e1900372. [PMID: 32578935 DOI: 10.1002/pmic.201900372] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 06/10/2020] [Indexed: 01/10/2023]
Abstract
Thermal proteome profiling is a powerful energetic-based chemical proteomics method to reveal the ligand-protein interaction. However, the costly multiplexed isotopic labeling reagent, mainly Multiplexed isobaric tandem mass tag (TMT), and the long mass spectrometric time limits the wide application of this method. Here a simple and cost-effective strategy by using dimethyl labeling technique instead of TMT labeling is reported to quantify proteins and by using the peptides derived from the same protein to determine significantly changed proteins in one LC-MS run. This method is validated by identifying the known targets of methotrexate and geldanamycin. In addition, several potential off-targets involved in detoxification of reactive oxygen species pathway are also discovered for geldanamycin. This method is further applied to map the interactome of adenosine triphosphate (ATP) in the 293T cell lysate by using ATP analogue, adenylyl imidodiphosphate (AMP-PNP), as the ligand. As a result, a total of 123 AMP-PNP-sensitive proteins are found, of which 59 proteins are stabilized by AMP-PNP. Approximately 53% and 20% of these stabilized candidate protein targets are known as ATP and RNA binding proteins. Overall, above results demonstrated that this approach could be a valuable platform for the unbiased target proteins identification with reduced reagent cost and mass spectrometric time.
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Affiliation(s)
- Xiaolei Zhang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Key Laboratory Molecular Enzymology and Engineering, the Ministry of Education, National Engineering Laboratory of AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Chengfei Ruan
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - He Zhu
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Kejia Li
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Wenbo Zhang
- Key Laboratory Molecular Enzymology and Engineering, the Ministry of Education, National Engineering Laboratory of AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Keyun Wang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Lianghai Hu
- Key Laboratory Molecular Enzymology and Engineering, the Ministry of Education, National Engineering Laboratory of AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Mingliang Ye
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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30
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Chen X, Wang Y, Ma N, Tian J, Shao Y, Zhu B, Wong YK, Liang Z, Zou C, Wang J. Target identification of natural medicine with chemical proteomics approach: probe synthesis, target fishing and protein identification. Signal Transduct Target Ther 2020; 5:72. [PMID: 32435053 PMCID: PMC7239890 DOI: 10.1038/s41392-020-0186-y] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 12/14/2022] Open
Abstract
Natural products are an important source of new drugs for the treatment of various diseases. However, developing natural product-based new medicines through random moiety modification is a lengthy and costly process, due in part to the difficulties associated with comprehensively understanding the mechanism of action and the side effects. Identifying the protein targets of natural products is an effective strategy, but most medicines interact with multiple protein targets, which complicate this process. In recent years, an increasing number of researchers have begun to screen the target proteins of natural products with chemical proteomics approaches, which can provide a more comprehensive array of the protein targets of active small molecules in an unbiased manner. Typically, chemical proteomics experiments for target identification consist of two key steps: (1) chemical probe design and synthesis and (2) target fishing and identification. In recent decades, five different types of chemical proteomic probes and their respective target fishing methods have been developed to screen targets of molecules with different structures, and a variety of protein identification approaches have been invented. Presently, we will classify these chemical proteomics approaches, the application scopes and characteristics of the different types of chemical probes, the different protein identification methods, and the advantages and disadvantages of these strategies.
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Affiliation(s)
- Xiao Chen
- School of Medicine & Holistic Integrative Medicine, and College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- School of Biopharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yutong Wang
- School of Medicine & Holistic Integrative Medicine, and College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Nan Ma
- Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Jing Tian
- School of Medicine & Holistic Integrative Medicine, and College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yurou Shao
- School of Medicine & Holistic Integrative Medicine, and College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Bo Zhu
- School of Medicine & Holistic Integrative Medicine, and College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- School of Biopharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yin Kwan Wong
- Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
- The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, China
| | - Zhen Liang
- The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, China.
| | - Chang Zou
- The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, China.
| | - Jigang Wang
- Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
- The First Affiliated Hospital of Southern University of Science and Technology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, 518020, China.
- Department of Toxicology, School of Public Health, Guangxi Medical University, Nanning, 530021, China.
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31
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Devi S, Chu PY, Wu BH, Ho YP. Mass spectrometry combined with affinity probes for the identification of CP4 EPSPS in genetically modified soybeans. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4371. [PMID: 31077490 DOI: 10.1002/jms.4371] [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: 11/29/2018] [Revised: 04/12/2019] [Accepted: 05/04/2019] [Indexed: 06/09/2023]
Abstract
Sample preparation methods used for genetically modified organisms (GMOs) analysis are often time consuming, require extensive manual manipulation, and result in limited amounts of purified protein, which may complicate the detection of low-abundance GM protein. A robust sample pretreatment method prior to mass spectrometry (MS) detection of the transgenic protein (5-enolpyruvylshikimate-3-phosphate synthase [CP4 EPSPS]) present in Roundup Ready soya is investigated. Liquid chromatography-multiple reaction monitoring tandem MS (nano LC-MS/MS-MRM) was used for the detection and quantification of CP4 EPSPS. Gold nanoparticles (AuNPs) and concanavalin A (Con A)-immobilized Sepharose 4B were used as selective probes for the separation of the major storage proteins in soybeans. AuNPs that enable the capture of cysteine-containing proteins were used to reduce the complexity of the crude extract of GM soya. Con A-sepharose was used for the affinity capture of β-conglycinin and other glycoproteins of soya prior to enzymatic digestion. The methods enabled the detection of unique peptides of CP4 EPSPS at a level as low as 0.5% of GM soya in MRM mode. Stable-isotope dimethyl labeling was further applied to the quantification of GM soya. Both probes exhibited high selectivity and efficiency for the affinity capture of storage proteins, leading to the quantitative detection at 0.5% GM soya, which is a level below the current European Union's threshold for food labeling. The square correlation coefficients were greater than 0.99. The approach for sample preparation is very simple without the need for time-consuming protein prefractionation or separation procedures and thus presents a significant improvement over existing methods for the analysis of the GM soya protein.
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Affiliation(s)
- Shobha Devi
- Department of Chemistry, Rajiv Gandhi University of Knowledge Technologies, Hyderabad, India
| | - Pei-Yu Chu
- Department of Chemistry, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Bo-Hung Wu
- Department of Chemistry, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Yen-Peng Ho
- Department of Chemistry, National Dong Hwa University, Hualien, 97401, Taiwan
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32
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Turiák L, Sugár S, Ács A, Tóth G, Gömöry Á, Telekes A, Vékey K, Drahos L. Site-specific N-glycosylation of HeLa cell glycoproteins. Sci Rep 2019; 9:14822. [PMID: 31616032 PMCID: PMC6794373 DOI: 10.1038/s41598-019-51428-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 09/23/2019] [Indexed: 01/28/2023] Open
Abstract
We have characterized site-specific N-glycosylation of the HeLa cell line glycoproteins, using a complex workflow based on high and low energy tandem mass spectrometry of glycopeptides. The objective was to obtain highly reliable data on common glycoforms, so rigorous data evaluation was performed. The analysis revealed the presence of a high amount of bovine serum contaminants originating from the cell culture media - nearly 50% of all glycans were of bovine origin. Unaccounted, the presence of bovine serum components causes major bias in the human cellular glycosylation pattern; as is shown when literature results using released glycan analysis are compared. We have reliably identified 43 (human) glycoproteins, 69 N-glycosylation sites, and 178 glycoforms. HeLa glycoproteins were found to be highly (68.7%) fucosylated. A medium degree of sialylation was observed, on average 46.8% of possible sialylation sites were occupied. High-mannose sugars were expressed in large amounts, as expected in the case of a cancer cell line. Glycosylation in HeLa cells is highly variable. It is markedly different not only on various proteins but also at the different glycosylation sites of the same protein. Our method enabled the detailed characterization of site-specific N-glycosylation of several glycoproteins expressed in HeLa cell line.
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Affiliation(s)
- Lilla Turiák
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary.
| | - Simon Sugár
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - András Ács
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
- Semmelweis University, Ph.D. School of Pharmaceutical Sciences, Üllői út 26, H-1085, Budapest, Hungary
| | - Gábor Tóth
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
- Budapest University of Technology and Economics, Faculty of Chemical Technology and Biotechnology, Műegyetem rakpart 3, H-1111, Budapest, Hungary
| | - Ágnes Gömöry
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - András Telekes
- Department of Oncology, St Lazarus County Hospital, Füleki út 54-56, H-3100, Salgótarján, Hungary
| | - Károly Vékey
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - László Drahos
- MS Proteomics Research Group, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
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Paulo JA, Gygi SP. mTMT: An Alternative, Nonisobaric, Tandem Mass Tag Allowing for Precursor-Based Quantification. Anal Chem 2019; 91:12167-12172. [PMID: 31490667 DOI: 10.1021/acs.analchem.9b03162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Stable isotope labeling of peptides is the basis for numerous mass-spectrometry-based quantification strategies. Isobaric tagging and metabolic labeling, namely, tandem mass tagging (TMT) and SILAC, are among the most widely used techniques for relative protein quantification. Here we report an alternative, precursor-based quantification method using nonisobaric TMT variants: TMTzero (TMT0) and superheavy TMT (shTMT). We term this strategy mass difference tandem mass tagging (mTMT). These TMT variants differ by 11 mass units; however, peptides labeled with these reagents coelute, analogous to SILAC-labeled peptide pairs. As a proof-of-concept, we profiled the proteomes of two cell lines that are frequently used in neuroscience studies, SH-SY5Y and SVGp12, using mTMT and standard SILAC-labeling approaches. We show similar quantified proteins and peptides for each method, with highly correlated fold-changes between workflows. We conclude that mTMT is a suitable alternative for precursor-based protein quantification.
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Affiliation(s)
- Joao A Paulo
- Department of Cell Biology , Harvard Medical School , Boston , Massachusetts 02115 , United States
| | - Steven P Gygi
- Department of Cell Biology , Harvard Medical School , Boston , Massachusetts 02115 , United States
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Cherry AE, Vicente JJ, Xu C, Morrison RS, Ong SE, Wordeman L, Stella N. GPR124 regulates microtubule assembly, mitotic progression, and glioblastoma cell proliferation. Glia 2019; 67:1558-1570. [PMID: 31058365 PMCID: PMC6557680 DOI: 10.1002/glia.23628] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/25/2019] [Accepted: 04/05/2019] [Indexed: 01/26/2023]
Abstract
GPR124 is involved in embryonic development and remains expressed by select organs. The importance of GPR124 during development suggests that its aberrant expression might participate in tumor growth. Here we show that both increases and decreases in GPR124 expression in glioblastoma cells reduce cell proliferation by differentially altering the duration mitotic progression. Using mass spectrometry-based proteomics, we discovered that GPR124 interacts with ch-TOG, a known regulator of both microtubule (MT)-plus-end assembly and mitotic progression. Accordingly, changes in GPR124 expression and ch-TOG similarly affect MT assembly measured by real-time microscopy in cells. Our study describes a novel molecular interaction involving GPR124 and ch-TOG at the plasma membrane that controls glioblastoma cell proliferation by modifying MT assembly rates and controlling the progression of distinct phases of mitosis.
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Affiliation(s)
- Allison E. Cherry
- Department of Pharmacology, University of Washington, Seattle, Washington
| | - Juan Jesus Vicente
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Cong Xu
- Department of Pharmacology, University of Washington, Seattle, Washington
| | | | - Shao-En Ong
- Department of Pharmacology, University of Washington, Seattle, Washington
| | - Linda Wordeman
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington
| | - Nephi Stella
- Department of Pharmacology, University of Washington, Seattle, Washington
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
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35
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Inferring Protein-Protein Interaction Networks From Mass Spectrometry-Based Proteomic Approaches: A Mini-Review. Comput Struct Biotechnol J 2019; 17:805-811. [PMID: 31316724 PMCID: PMC6611912 DOI: 10.1016/j.csbj.2019.05.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 05/20/2019] [Accepted: 05/26/2019] [Indexed: 01/06/2023] Open
Abstract
Studying protein-protein interaction networks provide key evidence for the underlying molecular mechanisms. Mass spectrometry-based proteomic approaches have been playing a pivotal role in deciphering these interaction networks, along with precise quantification for individual interactions. In this mini-review we discuss the available techniques and methods for qualitative and quantitative elucidation of protein-protein interaction networks. We then summarize the down-stream computational strategies for identification and quantification of interactions from those techniques. Finally, we highlight the challenges and limitations of current computational pipelines in eliminating false positive interactors, followed by a summary of the innovative algorithms to address these issues, along with the scope for future improvements.
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36
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Feasibility of Utilizing Stable-Isotope Dimethyl Labeling in Liquid Chromatography⁻Tandem Mass Spectrometry-Based Determination for Food Allergens-Case of Kiwifruit. Molecules 2019; 24:molecules24101920. [PMID: 31109069 PMCID: PMC6571768 DOI: 10.3390/molecules24101920] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 05/17/2019] [Accepted: 05/17/2019] [Indexed: 12/28/2022] Open
Abstract
Stable-isotope dimethyl labeling is a highly reactive and cost-effective derivatization procedure that could be utilized in proteomics analysis. In this study, a liquid chromatography- tandem mass spectrometry in multiple reaction monitoring mode (LC-MS-MRM) platform for the quantification of kiwi allergens was first developed using this strategy. Three signature peptides for target allergens Act d 1, Act d 5, and Act d 11 were determined and were derivatized with normal and deuterated formaldehyde as external calibrants and internal standards, respectively. The results showed that sample preparation with the phenol method provided comprehensive protein populations. Recoveries at four different levels ranging from 72.5-109.3% were achieved for the H-labeled signature peptides of Act d 1 (SPA1-H) and Act d 5 (SPA5-H) with precision ranging from 1.86-9.92%. The limit of quantification (LOQ) was set at 8 pg mL-1 for SPA1-H and at 8 ng mL-1 for SPA5-H. The developed procedure was utilized to analyze seven kinds of hand-made kiwi foods containing 0.0175-0.0515 mg g-1 of Act d 1 and 0.0252-0.0556 mg g-1 of Act d 5. This study extended the applicability of stable-isotope dimethyl labeling to the economical and precise determination of food allergens and peptides.
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37
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Aggarwal S, Talukdar NC, Yadav AK. Advances in Higher Order Multiplexing Techniques in Proteomics. J Proteome Res 2019; 18:2360-2369. [DOI: 10.1021/acs.jproteome.9b00228] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Suruchi Aggarwal
- Drug Discovery Research Centre, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Third Milestone, Faridabad − Gurgaon Expressway, Faridabad, Haryana 121001, India
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Narayan C. Talukdar
- Division of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati, Assam 781035, India
- Department of Molecular Biology and Biotechnology, Cotton University, Panbazar, Guwahati, Assam 781001, India
| | - Amit K. Yadav
- Drug Discovery Research Centre, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Third Milestone, Faridabad − Gurgaon Expressway, Faridabad, Haryana 121001, India
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38
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Hansen BK, Gupta R, Baldus L, Lyon D, Narita T, Lammers M, Choudhary C, Weinert BT. Analysis of human acetylation stoichiometry defines mechanistic constraints on protein regulation. Nat Commun 2019; 10:1055. [PMID: 30837475 PMCID: PMC6401094 DOI: 10.1038/s41467-019-09024-0] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 02/11/2019] [Indexed: 12/21/2022] Open
Abstract
Lysine acetylation is a reversible posttranslational modification that occurs at thousands of sites on human proteins. However, the stoichiometry of acetylation remains poorly characterized, and is important for understanding acetylation-dependent mechanisms of protein regulation. Here we provide accurate, validated measurements of acetylation stoichiometry at 6829 sites on 2535 proteins in human cervical cancer (HeLa) cells. Most acetylation occurs at very low stoichiometry (median 0.02%), whereas high stoichiometry acetylation (>1%) occurs on nuclear proteins involved in gene transcription and on acetyltransferases. Analysis of acetylation copy numbers show that histones harbor the majority of acetylated lysine residues in human cells. Class I deacetylases target a greater proportion of high stoichiometry acetylation compared to SIRT1 and HDAC6. The acetyltransferases CBP and p300 catalyze a majority (65%) of high stoichiometry acetylation. This resource dataset provides valuable information for evaluating the impact of individual acetylation sites on protein function and for building accurate mechanistic models. Many human proteins are regulated by lysine acetylation, but the degree of acetylation at individual sites is poorly characterized. Here, the authors measure acetylation stoichiometry in the HeLa cell proteome, providing a resource to assess mechanistic constraints on acetylation-mediated protein regulation.
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Affiliation(s)
- Bogi Karbech Hansen
- Department of Proteomics, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark
| | - Rajat Gupta
- Department of Proteomics, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark
| | - Linda Baldus
- Institute of Biochemistry, Synthetic and Structural Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, Greifswald, 17487, Germany.,Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases, CECAD, University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - David Lyon
- Disease Systems Biology Program, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark
| | - Takeo Narita
- Department of Proteomics, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark
| | - Michael Lammers
- Institute of Biochemistry, Synthetic and Structural Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, Greifswald, 17487, Germany.,Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases, CECAD, University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - Chunaram Choudhary
- Department of Proteomics, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark.
| | - Brian T Weinert
- Department of Proteomics, The Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200, Copenhagen, Denmark.
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39
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Jung J, Jeong K, Choi Y, Kim SA, Kim H, Lee JW, Kim VN, Kim KP, Kim JS. Deuterium-Free, Three-Plexed Peptide Diethylation for Highly Accurate Quantitative Proteomics. J Proteome Res 2019; 18:1078-1087. [PMID: 30638020 DOI: 10.1021/acs.jproteome.8b00775] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The deuterium, a frequently used stable isotope in isotopic labeling for quantitative proteomics, could deteriorate the accuracy and precision of proteome quantification owing to the retention time shift of deuterated peptides from the hydrogenated counterpart. We introduce a novel three-plexed peptide "diethylation" using only 13C isotopologues of acetaldehyde and demonstrate that the accuracy and precision of our method in proteome quantification are significantly superior to the conventional deuterium-based dimethylation labeling in both a single-shot and multidimensional LC-MS/MS analysis of the HeLa proteome. Furthermore, in time-resolved profiling of Xenopus laevis early embryogenesis, our 3-plexed diethylation outperformed isobaric labeling approaches in terms of the quantification accuracy or the number of protein identifications, generating more than two times more differentially expressed proteins. Our cost-effective and highly accurate 3-plexed diethylation method could contribute to various types of quantitative proteomics applications in which three of multiplexity would be sufficient.
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Affiliation(s)
- Jaehun Jung
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - Kyowon Jeong
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Yeon Choi
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Sun Ah Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Hyunjoon Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Joon Won Lee
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - V Narry Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Kwang Pyo Kim
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - Jong-Seo Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
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40
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van Mierlo G, Wester RA, Marks H. Quantitative subcellular proteomics using SILAC reveals enhanced metabolic buffering in the pluripotent ground state. Stem Cell Res 2018; 33:135-145. [PMID: 30352361 DOI: 10.1016/j.scr.2018.09.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 08/13/2018] [Accepted: 09/17/2018] [Indexed: 11/26/2022] Open
Abstract
The ground state of pluripotency is defined as a minimal unrestricted epigenetic state as present in the Inner Cell Mass. Mouse embryonic stem cells (ESCs) grown in a defined serum-free medium with two kinase inhibitors ("2i ESCs") have been postulated to reflect ground-state pluripotency, whereas ESCs grown in the presence of serum ("serum ESCs") share more similarities with post-implantation epiblast cells. Pluripotency results from an intricate interplay between cytoplasmic, nuclear and chromatin-associated proteins. Here, we perform quantitative subcellular proteomics to gain insight in the molecular mechanisms sustaining the pluripotent states reflected by 2i and serum ESCs. We describe a full SILAC workflow and quality controls for proteomic comparison of 2i and serum ESCs, allowing subcellular proteomics of the cytoplasm, nucleoplasm and chromatin. The obtained quantitative information revealed increased levels of naïve pluripotency factors on the chromatin of 2i ESCs. Surprisingly, the cytoplasmic proteome suggests that 2i and serum ESCs utilize distinct metabolic programs, which include upregulation of free radical buffering by the glutathione pathway in 2i ESCs. Through induction of intracellular radicals, we show that the altered metabolic environment renders 2i ESCs less sensitive to oxidative stress. Altogether, this work provides novel insights into the proteomic landscape underlying ground state pluripotency.
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Affiliation(s)
- Guido van Mierlo
- Department of Molecular Biology, Faculty of Science, Radboud University, Radboud Institute for Molecular Life Sciences (RIMLS), Geert Grooteplein 26/28, 6525GA Nijmegen, the Netherlands
| | - Roelof A Wester
- Department of Molecular Biology, Faculty of Science, Radboud University, Radboud Institute for Molecular Life Sciences (RIMLS), Geert Grooteplein 26/28, 6525GA Nijmegen, the Netherlands
| | - Hendrik Marks
- Department of Molecular Biology, Faculty of Science, Radboud University, Radboud Institute for Molecular Life Sciences (RIMLS), Geert Grooteplein 26/28, 6525GA Nijmegen, the Netherlands.
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41
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Frost DC, Rust CJ, Robinson RAS, Li L. Increased N,N-Dimethyl Leucine Isobaric Tag Multiplexing by a Combined Precursor Isotopic Labeling and Isobaric Tagging Approach. Anal Chem 2018; 90:10664-10669. [PMID: 30095893 DOI: 10.1021/acs.analchem.8b01301] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Multiplex isobaric tags have become valuable tools for high-throughput quantitative analysis of complex biological samples in discovery-based proteomics studies. Hybrid labeling strategies that pair stable isotope mass difference labeling with multiplex isobaric tag-based quantification further facilitate these studies by greatly increasing multiplexing capability. In this work, we present a cost-effective chemical labeling approach that couples duplex stable isotope dimethyl labeling with our custom 12-plex N,N-dimethyl leucine (DiLeu) isobaric tags in a combined precursor isotopic labeling and isobaric tagging (cPILOT) strategy that is compatible with a wide variety of biological samples and permits 24-plex quantification in a single LC-MS/MS experiment. We demonstrate the utility of the DiLeu cPILOT approach by labeling yeast digests and performing proof-of-principle quantification experiments on the Orbitrap Fusion Lumos.
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Affiliation(s)
- Dustin C Frost
- School of Pharmacy , University of Wisconsin-Madison , 777 Highland Avenue , Madison , Wisconsin 53705 , United States
| | - Clayton J Rust
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
| | - Renã A S Robinson
- Department of Chemistry , Vanderbilt University , 5423 Stevenson Center , Nashville , Tennessee 37235 , United States
| | - Lingjun Li
- School of Pharmacy , University of Wisconsin-Madison , 777 Highland Avenue , Madison , Wisconsin 53705 , United States.,Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , Wisconsin 53706 , United States
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42
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Dannenmaier S, Stiller SB, Morgenstern M, Lübbert P, Oeljeklaus S, Wiedemann N, Warscheid B. Complete Native Stable Isotope Labeling by Amino Acids of Saccharomyces cerevisiae for Global Proteomic Analysis. Anal Chem 2018; 90:10501-10509. [PMID: 30102515 PMCID: PMC6300314 DOI: 10.1021/acs.analchem.8b02557] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Knowledge about the functions of individual proteins on a system-wide level is crucial to fully understand molecular mechanisms underlying cellular processes. A considerable part of the proteome across all organisms is still poorly characterized. Mass spectrometry is an efficient technology for the global study of proteins. One of the most prominent methods for accurate proteome-wide comparative quantification is stable isotope labeling by amino acids in cell culture (SILAC). However, application of SILAC to prototrophic organisms such as Saccharomyces cerevisiae, also known as baker's yeast, is compromised since they are able to synthesize all amino acids on their own. Here, we describe an advanced strategy, termed 2nSILAC, that allows for in vivo labeling of prototrophic baker's yeast using heavy arginine and lysine under fermentable and respiratory growth conditions, making it a suitable tool for the global study of protein functions. This generic 2nSILAC strategy allows for directly using and systematically screening yeast mutant strain collections available to the scientific community. We exemplarily demonstrate its high potential by analyzing the effects of mitochondrial gene deletions in mitochondrial fractions using quantitative mass spectrometry revealing the role of Coi1 for the assembly of cytochrome c oxidase (respiratory chain complex IV).
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43
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Zhang X, Zhang L, Ji G, Lei Q, Fang C, Lu H. Site-Specific Quantification of Protein Palmitoylation by Cysteine-Stable Isotope Metabolic Labeling. Anal Chem 2018; 90:10543-10550. [DOI: 10.1021/acs.analchem.8b02635] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Xiaoqin Zhang
- Shanghai Cancer Center, Fudan University, Shanghai 200032, People’s Republic of China
| | | | | | - Qunying Lei
- Shanghai Cancer Center, Fudan University, Shanghai 200032, People’s Republic of China
| | | | - Haojie Lu
- Shanghai Cancer Center, Fudan University, Shanghai 200032, People’s Republic of China
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44
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Liu S, Yu F, Hu Q, Wang T, Yu L, Du S, Yu W, Li N. Development of in Planta Chemical Cross-Linking-Based Quantitative Interactomics in Arabidopsis. J Proteome Res 2018; 17:3195-3213. [DOI: 10.1021/acs.jproteome.8b00320] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Shichang Liu
- Division of Life Science, Energy Institute, Institute for the Environment, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Fengchao Yu
- Division of Biomedical Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Qin Hu
- Division of Life Science, Energy Institute, Institute for the Environment, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Tingliang Wang
- Tsinghua-Peking Joint Center for Life Sciences, Center for Structural Biology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China
| | - Lujia Yu
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Shengwang Du
- Department of Physics, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Weichuan Yu
- Division of Biomedical Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Ning Li
- Division of Life Science, Energy Institute, Institute for the Environment, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- Division of Biomedical Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- The Hong Kong University of Science and Technology, Shenzhen Research Institute, Shenzhen Guangdong 518057, China
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45
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Ma Y, Yates JR. Proteomics and pulse azidohomoalanine labeling of newly synthesized proteins: what are the potential applications? Expert Rev Proteomics 2018; 15:545-554. [PMID: 30005169 PMCID: PMC6329588 DOI: 10.1080/14789450.2018.1500902] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Measuring the immediate changes in cells that arise from changing environmental conditions is crucial to understanding the underlying mechanisms involved. These changes can be measured with metabolic stable isotope fully labeled proteomes, but requires looking for changes in the midst of a large background. In addition, labeling efficiency can be an issue in primary and fully differentiated cells. Area covered: Azidohomoalanine (AHA), an analog of methionine, can be accepted by cellular translational machinery and incorporated into newly synthesized proteins (NSPs). AHA-NSPs can be coupled to biotin via CuAAC-mediated click-chemistry and enriched using avidin-based affinity purification. Thus, AHA-containing proteins or peptides can be enriched and efficiently separated from the whole proteome. In this review, we describe the development of mass spectrometry (MS) based AHA strategies and discuss their potential to measure proteins involved in immune response, secretome, gut microbiome, and proteostasis as well as their potential for clinical uses. Expert commentary: AHA strategies have been used to identify synthesis activity and to compare two biological conditions in various biological model organisms. In combination with instrument development, improved sample preparation and fractionation strategies, MS-based AHA strategies have the potential for broad application, and the methods should translate into clinical use.
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Affiliation(s)
- Yuanhui Ma
- a Departments of Molecular Medicine and Neurobiology , The Scripps Research Institute , La Jolla , CA , USA
| | - John R Yates
- a Departments of Molecular Medicine and Neurobiology , The Scripps Research Institute , La Jolla , CA , USA
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46
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Cao K, Lai F, Zhao XL, Wei QX, Miao XY, Ge R, He QY, Sun X. The mechanism of iron-compensation for manganese deficiency of Streptococcus pneumoniae. J Proteomics 2018; 184:62-70. [DOI: 10.1016/j.jprot.2018.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 05/17/2018] [Accepted: 06/07/2018] [Indexed: 12/18/2022]
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47
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Bhagwat SR, Hajela K, Kumar A. Proteolysis to Identify Protease Substrates: Cleave to Decipher. Proteomics 2018; 18:e1800011. [DOI: 10.1002/pmic.201800011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 04/03/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Sonali R. Bhagwat
- Discipline of Biosciences and Biomedical Engineering; Indian Institute of Technology; Indore 453552 Simrol India
| | - Krishnan Hajela
- School of Life Sciences; Devi Ahilya Vishwavidyalaya; Indore 452001 India
| | - Amit Kumar
- Discipline of Biosciences and Biomedical Engineering; Indian Institute of Technology; Indore 453552 Simrol India
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48
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King CD, Singh D, Holden K, Govan AB, Keith SA, Ghazi A, Robinson RA. Proteomic identification of virulence-related factors in young and aging C. elegans infected with Pseudomonas aeruginosa. J Proteomics 2018; 181:92-103. [DOI: 10.1016/j.jprot.2018.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 03/26/2018] [Accepted: 04/09/2018] [Indexed: 12/16/2022]
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49
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King SL, Goth CK, Eckhard U, Joshi HJ, Haue AD, Vakhrushev SY, Schjoldager KT, Overall CM, Wandall HH. TAILS N-terminomics and proteomics reveal complex regulation of proteolytic cleavage by O-glycosylation. J Biol Chem 2018; 293:7629-7644. [PMID: 29593093 PMCID: PMC5961060 DOI: 10.1074/jbc.ra118.001978] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/27/2018] [Indexed: 12/31/2022] Open
Abstract
Proteolytic processing is an irreversible post-translational modification functioning as a ubiquitous regulator of cellular activity. Protease activity is tightly regulated via control of gene expression, enzyme and substrate compartmentalization, zymogen activation, enzyme inactivation, and substrate availability. Emerging evidence suggests that proteolysis can also be regulated by substrate glycosylation and that glycosylation of individual sites on a substrate can decrease or, in rare cases, increase its sensitivity to proteolysis. Here, we investigated the relationship between site-specific, mucin-type (or GalNAc-type) O-glycosylation and proteolytic cleavage of extracellular proteins. Using in silico analysis, we found that O-glycosylation and cleavage sites are significantly associated with each other. We then used a positional proteomic strategy, terminal amine isotopic labeling of substrates (TAILS), to map the in vivo cleavage sites in HepG2 SimpleCells with and without one of the key initiating GalNAc transferases, GalNAc-T2, and after treatment with exogenous matrix metalloproteinase 9 (MMP9) or neutrophil elastase. Surprisingly, we found that loss of GalNAc-T2 not only increased cleavage, but also decreased cleavage across a broad range of other substrates, including key regulators of the protease network. We also found altered processing of several central regulators of lipid homeostasis, including apolipoprotein B and the phospholipid transfer protein, providing new clues to the previously reported link between GALNT2 and lipid homeostasis. In summary, we show that loss of GalNAc-T2 O-glycosylation leads to a general decrease in cleavage and that GalNAc-T2 O-glycosylation affects key regulators of the cellular proteolytic network, including multiple members of the serpin family.
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Affiliation(s)
- Sarah L King
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Christoffer K Goth
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Ulrich Eckhard
- the Centre for Blood Research, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Hiren J Joshi
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Amalie D Haue
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Sergey Y Vakhrushev
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Katrine T Schjoldager
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
| | - Christopher M Overall
- the Centre for Blood Research, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Hans H Wandall
- From the Department of Cellular and Molecular Medicine, Centre for Glycomics, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark and
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50
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Makowski MM, Gräwe C, Foster BM, Nguyen NV, Bartke T, Vermeulen M. Global profiling of protein-DNA and protein-nucleosome binding affinities using quantitative mass spectrometry. Nat Commun 2018; 9:1653. [PMID: 29695722 PMCID: PMC5916898 DOI: 10.1038/s41467-018-04084-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 04/03/2018] [Indexed: 01/02/2023] Open
Abstract
Interaction proteomics studies have provided fundamental insights into multimeric biomolecular assemblies and cell-scale molecular networks. Significant recent developments in mass spectrometry-based interaction proteomics have been fueled by rapid advances in label-free, isotopic, and isobaric quantitation workflows. Here, we report a quantitative protein–DNA and protein–nucleosome binding assay that uses affinity purifications from nuclear extracts coupled with isobaric chemical labeling and mass spectrometry to quantify apparent binding affinities proteome-wide. We use this assay with a variety of DNA and nucleosome baits to quantify apparent binding affinities of monomeric and multimeric transcription factors and chromatin remodeling complexes. Quantitative mass spectrometry enables the proteome-wide assessment of biomolecular binding affinities. While previous approaches mainly focused on protein–small molecule interactions, the authors here present a method to probe protein–DNA and protein–nucleosome binding affinities at proteome scale.
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Affiliation(s)
- Matthew M Makowski
- Department of Molecular Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, 6500 HB, The Netherlands.,Oncode Institute, Radboud University, Nijmegen, 6500 HB, The Netherlands
| | - Cathrin Gräwe
- Department of Molecular Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, 6500 HB, The Netherlands.,Oncode Institute, Radboud University, Nijmegen, 6500 HB, The Netherlands
| | - Benjamin M Foster
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764, Neuherberg, Germany.,MRC London Institute of Medical Sciences (LMS), London, W12 0NN, UK.,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, W12 0NN, UK
| | - Nhuong V Nguyen
- MRC London Institute of Medical Sciences (LMS), London, W12 0NN, UK.,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, W12 0NN, UK
| | - Till Bartke
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764, Neuherberg, Germany. .,MRC London Institute of Medical Sciences (LMS), London, W12 0NN, UK. .,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, W12 0NN, UK.
| | - Michiel Vermeulen
- Department of Molecular Biology, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen, 6500 HB, The Netherlands. .,Oncode Institute, Radboud University, Nijmegen, 6500 HB, The Netherlands.
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