1
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Rosa LS, Santos ML, Abreu JP, Rocha RS, Esmerino EA, Freitas MQ, Mársico ET, Campelo PH, Pimentel TC, Cristina Silva M, Souza AA, Nogueira FCS, Cruz AG, Teodoro AJ. Probiotic fermented whey-milk beverages: Effect of different probiotic strains on the physicochemical characteristics, biological activity, and bioactive peptides. Food Res Int 2023; 164:112396. [PMID: 36737979 DOI: 10.1016/j.foodres.2022.112396] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/14/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
The effect of probiotic strains (Lactobacillus acidophilus La-03 (La-03); Lactobacillus acidophilus La-05 (La-05); Bifidobacterium Bb-12 (Bb-12) or Lacticaseibacillus casei-01 (L. casei-01)) on the characteristics of fermented whey-milk beverages during storage (4 °C, 30 days) was evaluated. The products were assessed for biological and antioxidant activities, physicochemical characteristics, and bioactive peptides. Probiotic addition increased α-amylase and α-glucosidase inhibition and antioxidant activities, mainly at 15 days of storage. L. casei-01 showed higher metabolic activity (higher titratable acidity and lower pH values) and the presence of anti-hypertensive peptides, while La-5 and Bb-12 showed higher α-glucosidase inhibition, improvements in the high saturated hypercholesterolemic index, and peptides with ACE-inhibitory, antimicrobial, immunomodulatory, and antioxidant activities. Our findings suggest that probiotic fermented whey-milk beverages may exert antidiabetic and antioxidant properties, being suggested La-5 or Bb-12 as probiotics and 15 days of storage.
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Affiliation(s)
- Lana S Rosa
- Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Laboratório de Alimentos Funcionais, Rio de Janeiro 22290-240, Brazil
| | - Mariana L Santos
- Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Laboratório de Alimentos Funcionais, Rio de Janeiro 22290-240, Brazil
| | - Joel P Abreu
- Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Laboratório de Alimentos Funcionais, Rio de Janeiro 22290-240, Brazil
| | - Ramon S Rocha
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói 24230-340, Brazil; Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro 20270-021, Brazil
| | - Erick A Esmerino
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói 24230-340, Brazil
| | - Monica Q Freitas
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói 24230-340, Brazil
| | - Eliane T Mársico
- Universidade Federal Fluminense (UFF), Faculdade de Veterinária, Niterói 24230-340, Brazil
| | - Pedro H Campelo
- Universidade Federal de Viçosa, Departamento de Tecnologia de Alimentos, Viçosa 36570-900, Brazil
| | | | - Márcia Cristina Silva
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro 20270-021, Brazil
| | - Adrieli A Souza
- Universidade Federal do Rio de Janeiro (UFRJ), Laboratório de Proteomica (LADETEC), 21941-598, Rio de Janeiro, Brazil
| | - Fabio C S Nogueira
- Universidade Federal do Rio de Janeiro (UFRJ), Laboratório de Proteomica (LADETEC), 21941-598, Rio de Janeiro, Brazil
| | - Adriano G Cruz
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro 20270-021, Brazil
| | - Anderson J Teodoro
- Universidade Federal Fluminense (UFF), Faculdade de Nutrição, Niterói 24020-140, Brazil.
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2
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Mesquita FCP, Morrissey J, Monnerat G, Domont GB, Nogueira FCS, Hochman-Mendez C. Decellularized Extracellular Matrix Powder Accelerates Metabolic Maturation at Early Stages of Cardiac Differentiation in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes. Cells Tissues Organs 2023; 212:32-44. [PMID: 34933302 DOI: 10.1159/000521580] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/13/2021] [Indexed: 11/19/2022] Open
Abstract
During fetal development, cardiomyocytes switch from glycolysis to oxidative metabolism to sustain the energy requirements of functional cells. State-of-the-art cardiac differentiation protocols yield phenotypically immature cardiomyocytes, and common methods to improve metabolic maturation require multistep protocols to induce maturation only after cardiac specification is completed. Here, we describe a maturation method using ventricle-derived decellularized extracellular matrix (dECM) that promoted early-stage metabolic maturation of cardiomyocytes differentiated from human induced pluripotent stem cells (hiPSCs). Chemically and architecturally preserved particles (45-500 μm) of pig ventricular dECM were added to hiPSCs at the start of differentiation. At the end of our maturation protocol (day 15 of cardiac differentiation), we observed an intimate interaction between cardiomyocytes and dECM particles without impairment of cardiac differentiation efficiency (approx. 70% of cTNT+). Compared with control cells (those cultured without pig dECM), 15-day-old dECM-treated cardiomyocytes demonstrated increased expression of markers related to cardiac metabolic maturation, MAPK1, FOXO1, and FOXO3, and a switch from ITGA6 (the immature integrin isoform) to ITGA3 and ITGA7 (those present in adult cardiomyocytes). Electrical parameters and responsiveness to dobutamine also improved in pig ventricular dECM-treated cells. Extending the culture time to 30 days, we observed a switch from glucose to fatty acid metabolism, indicated by decreased glucose uptake and increased fatty acid consumption in cells cultured with dECM. Together, these data suggest that dECM contains endogenous cues that enable metabolic maturation of hiPSC-CMs at early stages of cardiac differentiation.
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Affiliation(s)
| | | | - Gustavo Monnerat
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gilberto B Domont
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fabio C S Nogueira
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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3
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Mesquita FCP, Morrissey J, Lee PF, Monnerat G, Xi Y, Andersson H, Nogueira FCS, Domont GB, Sampaio LC, Hochman-Mendez C, Taylor DA. Cues from human atrial extracellular matrix enrich the atrial differentiation of human induced pluripotent stem cell-derived cardiomyocytes. Biomater Sci 2021; 9:3737-3749. [PMID: 33861819 DOI: 10.1039/d0bm01686a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
New robust and reproducible differentiation approaches are needed to generate induced pluripotent stem cell (iPSC)-derived cardiomyocytes of specific subtypes in predictable quantities for tissue-specific disease modeling, tissue engineering, and eventual clinical translation. Here, we assessed whether powdered decellularized extracellular matrix (dECM) particles contained chamber-specific cues that could direct the cardiac differentiation of human iPSCs toward an atrial phenotype. Human hearts were dissected and the left ventricle (LV) and left atria (LA) were isolated, minced, and decellularized using an adapted submersion decellularization technique to generate chamber-specific powdered dECM. Comparative proteomic analyses showed chamber-specific dECM segregation, with atrial- and ventricle-specific proteins uniquely present in powdered dECM-hA and dECM-hV, respectively. Cell populations differentiated in the presence of dECM-hA showed upregulated atrial molecular markers and a two-fold increase in the number of atrial-like cells as compared with cells differentiated with dECM-hV or no dECM (control). Finally, electrophysiological data showed an increase in action potentials characteristic of atrial-like cells in the dECM-hA group. These findings support the hypothesis that dECM powder derived from human atria retained endogenous cues to drive cardiac differentiation toward an atrial fate.
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Affiliation(s)
| | | | - Po-Feng Lee
- Texas Heart Institute, 6770 Bertner Avenue, MC 1-135, Houston, TX 77030, USA.
| | - Gustavo Monnerat
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Yutao Xi
- Texas Heart Institute, 6770 Bertner Avenue, MC 1-135, Houston, TX 77030, USA.
| | - Helen Andersson
- Texas Heart Institute, 6770 Bertner Avenue, MC 1-135, Houston, TX 77030, USA.
| | - Fabio C S Nogueira
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Gilberto B Domont
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Luiz C Sampaio
- Texas Heart Institute, 6770 Bertner Avenue, MC 1-135, Houston, TX 77030, USA. and Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Doris A Taylor
- Texas Heart Institute, 6770 Bertner Avenue, MC 1-135, Houston, TX 77030, USA. and RegenMedix Consulting LLC, Houston, TX 77030, USA
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4
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Goto-Silva L, Martins M, Murillo JR, Souza LRQ, Vitória G, Oliveira JT, Nascimento JM, Loiola EC, Nogueira FCS, Domont GB, Guimarães MZP, Tovar-Moll F, Rehen SK, Junqueira M. Quantitative profiling of axonal guidance proteins during the differentiation of human neurospheres. Biochim Biophys Acta Proteins Proteom 2021; 1869:140656. [PMID: 33857633 DOI: 10.1016/j.bbapap.2021.140656] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 03/01/2021] [Accepted: 03/23/2021] [Indexed: 12/14/2022]
Abstract
Axon guidance is required for the establishment of brain circuits. Whether much of the molecular basis of axon guidance is known from animal models, the molecular machinery coordinating axon growth and pathfinding in humans remains to be elucidated. The use of induced pluripotent stem cells (iPSC) from human donors has revolutionized in vitro studies of the human brain. iPSC can be differentiated into neuronal stem cells which can be used to generate neural tissue-like cultures, known as neurospheres, that reproduce, in many aspects, the cell types and molecules present in the brain. Here, we analyzed quantitative changes in the proteome of neurospheres during differentiation. Relative quantification was performed at early time points during differentiation using iTRAQ-based labeling and LC-MS/MS analysis. We identified 6438 proteins, from which 433 were downregulated and 479 were upregulated during differentiation. We show that human neurospheres have a molecular profile that correlates to the fetal brain. During differentiation, upregulated pathways are related to neuronal development and differentiation, cell adhesion, and axonal guidance whereas cell proliferation pathways were downregulated. We developed a functional assay to check for neurite outgrowth in neurospheres and confirmed that neurite outgrowth potential is increased after 10 days of differentiation and is enhanced by increasing cyclic AMP levels. The proteins identified here represent a resource to monitor neurosphere differentiation and coupled to the neurite outgrowth assay can be used to functionally explore neurological disorders using human neurospheres as a model.
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Affiliation(s)
- Livia Goto-Silva
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Michele Martins
- Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149 - bloco A 5° andar - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Jimmy Rodriguez Murillo
- Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149 - bloco A 5° andar - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Leticia R Q Souza
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Gabriela Vitória
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Júlia T Oliveira
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Juliana M Nascimento
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil; Department of Biosciences, Institute Science and Society, Federal University of São Paulo (Unifesp), Rua Silva Jardim, 136, Santos, SP 11015-020, Brazil
| | - Erick Correia Loiola
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Fabio C S Nogueira
- Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149 - bloco A 5° andar - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Gilberto B Domont
- Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149 - bloco A 5° andar - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil
| | - Marília Zaluar P Guimarães
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro (UFRJ), Rua Manoel Frota Moreira - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Fernanda Tovar-Moll
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil
| | - Stevens Kastrup Rehen
- D'Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro, 30 - Botafogo, Rio de Janeiro, RJ 22281-100, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro (UFRJ), Rua Manoel Frota Moreira - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil.
| | - Magno Junqueira
- Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149 - bloco A 5° andar - Cidade Universitária da Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-909, Brazil.
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5
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Paranhos BA, Dias LM, Faccioli L, Domont GB, Nogueira FCS, Goldenberg RCS. ANALYZING DECELLULARIZED AND RECELLULARIZED LIVER SCAFFOLDS USING PROTEOMICS. Cytotherapy 2021. [DOI: 10.1016/j.jcyt.2021.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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6
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Nogueira FCS, Neves LX, Pessoa-Lima C, Langer MC, Domont GB, Line SRP, Paes Leme AF, Gerlach RF. Ancient enamel peptides recovered from the South American Pleistocene species Notiomastodon platensis and Myocastor cf. coypus. J Proteomics 2021; 240:104187. [PMID: 33757878 DOI: 10.1016/j.jprot.2021.104187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 03/13/2021] [Accepted: 03/17/2021] [Indexed: 10/21/2022]
Abstract
We used two fossil teeth from South American Pleistocene mammals to obtain subsuperficial acid etching samples. We employed samples from the species Notiomastodon platensis and Myocastor cf. coypus for the enamel etchings. The controls included an extant rodent (rat). After the first etching was discarded, a second 20-s etching (i.e., subsuperficial) was directly collected with a ZipTip and injected into an LTQ Orbitrap Velos for MS analysis. The peptides were identified with different software programs that used Peptide Spectrum Match (PSM) and de novo sequencing including similarity search strategies. Most of the peptides that were recovered from the enamel of the fossils belonged to enamel-specific proteins. To our knowledge, this is the first study that has described the recovery of enamel peptide molecules from extinct South American taxa, indicating that enamel peptide data from late Pleistocene fossils can be employed as an additional parameter for phylogenetic analysis, and that the sample can be obtained by a very conservative acid etching, with almost no damage to the fossils. SIGNIFICANCE: This study shows that it is possible to obtain information based on plenty of ancient peptides recovered from subsuperficial enamel of fossil teeth from South American Pleistocene. The quality of the data suggests that peptides are likely the best preserved biomolecules under certain harsh environmental conditions. The recovery procedure only lasted 20 s and was minimally destructive to the fossils. This opens a myriad of new possibilities for the study of the past.
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Affiliation(s)
- Fabio C S Nogueira
- Proteomics Unit, Institute of Chemistry, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil; Laboratory of Proteomics/LADETEC, Federal University of Rio de Janeiro (UFRJ), RJ, Rio de Janeiro, Brazil
| | - Leandro Xavier Neves
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, SP, Brazil
| | - Caroline Pessoa-Lima
- Department of Basic and Oral Biology, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, FORP/USP, Brazil
| | - Max Cardoso Langer
- Laboratory of Paleontology, Department of Biology, FFCLRP, University of São Paulo, FFCLRP/USP, Ribeirão Preto, SP, Brazil
| | - Gilberto B Domont
- Proteomics Unit, Institute of Chemistry, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Sergio Roberto Peres Line
- Biosciences Department, Piracicaba Dental School, University of Campinas, FOP/UNICAMP, Piracicaba, SP, Brazil
| | - Adriana Franco Paes Leme
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, SP, Brazil
| | - Raquel Fernanda Gerlach
- Department of Basic and Oral Biology, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, FORP/USP, Brazil.
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7
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Bonilauri B, Santos MDM, Camillo-Andrade AC, Bispo S, Nogueira FCS, Carvalho PC, Zanchin NIT, Fischer JDSDG. The impact of blood-processing time on the proteome of human peripheral blood mononuclear cells. Biochim Biophys Acta Proteins Proteom 2020; 1869:140581. [PMID: 33301959 DOI: 10.1016/j.bbapap.2020.140581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/30/2020] [Accepted: 12/02/2020] [Indexed: 12/12/2022]
Abstract
Human peripheral blood mononuclear cells (PBMC) are key to several diagnostics assays and basic science research. Blood pre-analytical variations that occur before obtaining the PBMC fraction can significantly impact the assays results, including viability, composition, integrity, and gene expression changes of immune cells. With this as motivation, we performed a quantitative shotgun proteomics analysis using Isobaric Tag for Relative and Absolute Quantitation (iTRAQ 8plex) labeling to compare PBMC obtained from 24 h-stored blood at room temperature versus freshly isolated. We identified a total of 3195 proteins, of which 245 were differentially abundant (101 upregulated and 144 downregulated). Our results revealed enriched pathways of downregulated proteins related to exocytosis, localization, vesicle-mediated transport, cell activation, and secretion. In contrast, pathways related to exocytosis, neutrophil degranulation and activation, granulocyte activation, leukocyte degranulation, and myeloid leukocyte activation involved in immune response were enriched in upregulated proteins, which may indicate probable granulocyte contamination and activation due to blood storage time and temperature. Examples of upregulated proteins in the 24 h-PBMC samples are CAMP, S100A8, LTA4H, RASAL3, and S100A6, which are involved in an adaptive immune system and antimicrobial activity, proinflammatory mediation, aminopeptidase activities, and naïve T cells survival. Moreover, examples of downregulated proteins are NDUFA5, TAGLN2, H3C1, TUBA8, and CCT2 that are related to the cytoskeleton, cell junction, mitochondrial respiratory chain. In conclusion, the delay in blood-processing time directly impacts the proteomic profile of human PBMC, possibly through granulocyte contamination and activation.
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Affiliation(s)
- Bernardo Bonilauri
- Laboratory of Basic Biology of Stem Cells, Carlos Chagas Institute, Fiocruz-PR, Brazil
| | - Marlon D M Santos
- Laboratory for Structural and Computational Proteomics, Carlos Chagas Institute, Fiocruz-PR, Brazil
| | | | - Saloê Bispo
- Laboratory for Structural and Computational Proteomics, Carlos Chagas Institute, Fiocruz-PR, Brazil
| | - Fabio C S Nogueira
- Proteomic Unit, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paulo C Carvalho
- Laboratory for Structural and Computational Proteomics, Carlos Chagas Institute, Fiocruz-PR, Brazil
| | - Nilson I T Zanchin
- Laboratory for Structural Biology and Protein Engineering, Carlos Chagas Institute, Fiocruz-PR, Brazil.
| | - Juliana de S da G Fischer
- Laboratory for Structural and Computational Proteomics, Carlos Chagas Institute, Fiocruz-PR, Brazil.
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8
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Adhikari S, Nice EC, Deutsch EW, Lane L, Omenn GS, Pennington SR, Paik YK, Overall CM, Corrales FJ, Cristea IM, Van Eyk JE, Uhlén M, Lindskog C, Chan DW, Bairoch A, Waddington JC, Justice JL, LaBaer J, Rodriguez H, He F, Kostrzewa M, Ping P, Gundry RL, Stewart P, Srivastava S, Srivastava S, Nogueira FCS, Domont GB, Vandenbrouck Y, Lam MPY, Wennersten S, Vizcaino JA, Wilkins M, Schwenk JM, Lundberg E, Bandeira N, Marko-Varga G, Weintraub ST, Pineau C, Kusebauch U, Moritz RL, Ahn SB, Palmblad M, Snyder MP, Aebersold R, Baker MS. A high-stringency blueprint of the human proteome. Nat Commun 2020; 11:5301. [PMID: 33067450 PMCID: PMC7568584 DOI: 10.1038/s41467-020-19045-9] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 09/25/2020] [Indexed: 02/07/2023] Open
Abstract
The Human Proteome Organization (HUPO) launched the Human Proteome Project (HPP) in 2010, creating an international framework for global collaboration, data sharing, quality assurance and enhancing accurate annotation of the genome-encoded proteome. During the subsequent decade, the HPP established collaborations, developed guidelines and metrics, and undertook reanalysis of previously deposited community data, continuously increasing the coverage of the human proteome. On the occasion of the HPP's tenth anniversary, we here report a 90.4% complete high-stringency human proteome blueprint. This knowledge is essential for discerning molecular processes in health and disease, as we demonstrate by highlighting potential roles the human proteome plays in our understanding, diagnosis and treatment of cancers, cardiovascular and infectious diseases.
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Affiliation(s)
- Subash Adhikari
- Faculty of Medicine, Health and Human Sciences, Department of Biomedical Sciences, Macquarie University, North Ryde, NSW, 2109, Australia
| | - Edouard C Nice
- Faculty of Medicine, Health and Human Sciences, Department of Biomedical Sciences, Macquarie University, North Ryde, NSW, 2109, Australia
- Faculty of Medicine, Nursing and Health Sciences, Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC, 3800, Australia
| | - Eric W Deutsch
- Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA, 98109, USA
| | - Lydie Lane
- Faculty of Medicine, SIB-Swiss Institute of Bioinformatics and Department of Microbiology and Molecular Medicine, University of Geneva, CMU, Michel-Servet 1, 1211, Geneva, Switzerland
| | - Gilbert S Omenn
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, 48109-2218, USA
| | - Stephen R Pennington
- UCD Conway Institute of Biomolecular and Biomedical Research, School of Medicine, University College Dublin, Dublin, Ireland
| | - Young-Ki Paik
- Yonsei Proteome Research Center, 50 Yonsei-ro, Sudaemoon-ku, Seoul, 120-749, South Korea
| | | | - Fernando J Corrales
- Functional Proteomics Laboratory, Centro Nacional de Biotecnología-CSIC, Proteored-ISCIII, 28049, Madrid, Spain
| | - Ileana M Cristea
- Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, USA
| | - Jennifer E Van Eyk
- Cedars Sinai Medical Center, Advanced Clinical Biosystems Research Institute, The Smidt Heart Institute, Los Angeles, CA, 90048, USA
| | - Mathias Uhlén
- Science for Life Laboratory, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 17121, Solna, Sweden
| | - Cecilia Lindskog
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, 75185, Uppsala, Sweden
| | - Daniel W Chan
- Department of Pathology and Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, 21224, USA
| | - Amos Bairoch
- Faculty of Medicine, SIB-Swiss Institute of Bioinformatics and Department of Microbiology and Molecular Medicine, University of Geneva, CMU, Michel-Servet 1, 1211, Geneva, Switzerland
| | - James C Waddington
- UCD Conway Institute of Biomolecular and Biomedical Research, School of Medicine, University College Dublin, Dublin, Ireland
| | - Joshua L Justice
- Department of Molecular Biology, Princeton University, Princeton, NJ, 08544, USA
| | - Joshua LaBaer
- Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Henry Rodriguez
- Office of Cancer Clinical Proteomics Research, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Fuchu He
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Markus Kostrzewa
- Bruker Daltonik GmbH, Microbiology and Diagnostics, Fahrenheitstrasse, 428359, Bremen, Germany
| | - Peipei Ping
- Cardiac Proteomics and Signaling Laboratory, Department of Physiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Rebekah L Gundry
- CardiOmics Program, Center for Heart and Vascular Research, Division of Cardiovascular Medicine and Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Peter Stewart
- Department of Chemical Pathology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia
| | | | - Sudhir Srivastava
- Cancer Biomarkers Research Branch, National Cancer Institute, National Institutes of Health, 9609 Medical Center Drive, Suite 5E136, Rockville, MD, 20852, USA
| | - Fabio C S Nogueira
- Proteomics Unit and Laboratory of Proteomics, Institute of Chemistry, Federal University of Rio de Janeiro, Av Athos da Silveria Ramos, 149, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Gilberto B Domont
- Proteomics Unit and Laboratory of Proteomics, Institute of Chemistry, Federal University of Rio de Janeiro, Av Athos da Silveria Ramos, 149, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Yves Vandenbrouck
- University of Grenoble Alpes, Inserm, CEA, IRIG-BGE, U1038, 38000, Grenoble, France
| | - Maggie P Y Lam
- Departments of Medicine-Cardiology and Biochemistry and Molecular Genetics, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
- Consortium for Fibrosis Research and Translation, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Sara Wennersten
- Division of Cardiology, Department of Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Juan Antonio Vizcaino
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SD, UK
| | - Marc Wilkins
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Jochen M Schwenk
- Science for Life Laboratory, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 17121, Solna, Sweden
| | - Emma Lundberg
- Science for Life Laboratory, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 17121, Solna, Sweden
| | - Nuno Bandeira
- Department of Computer Science and Engineering, University of California, San Diego, 9500 Gilman Drive, Mail Code 0404, La Jolla, CA, 92093-0404, USA
| | | | - Susan T Weintraub
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center San Antonio, UT Health, 7703 Floyd Curl Drive, San Antonio, TX, 78229-3900, USA
| | - Charles Pineau
- University of Rennes, Inserm, EHESP, IREST, UMR_S 1085, F-35042, Rennes, France
| | - Ulrike Kusebauch
- Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA, 98109, USA
| | - Robert L Moritz
- Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA, 98109, USA
| | - Seong Beom Ahn
- Faculty of Medicine, Health and Human Sciences, Department of Biomedical Sciences, Macquarie University, North Ryde, NSW, 2109, Australia
| | - Magnus Palmblad
- Leiden University Medical Center, Leiden, 2333, The Netherlands
| | - Michael P Snyder
- Department of Genetics, Stanford School of Medicine, Stanford, CA, 94305, USA
| | - Ruedi Aebersold
- Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA, 98109, USA
- Faculty of Science, University of Zurich, Zurich, Switzerland
| | - Mark S Baker
- Faculty of Medicine, Health and Human Sciences, Department of Biomedical Sciences, Macquarie University, North Ryde, NSW, 2109, Australia.
- Department of Genetics, Stanford School of Medicine, Stanford, CA, 94305, USA.
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9
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Monnerat G, Sánchez CAR, Santos CGM, Paulucio D, Velasque R, Evaristo GPC, Evaristo JAM, Nogueira FCS, Domont GB, Serrato M, Lima AS, Bishop D, Campos de Carvalho AC, Pompeu FAMS. Different Signatures of High Cardiorespiratory Capacity Revealed With Metabolomic Profiling in Elite Athletes. Int J Sports Physiol Perform 2020; 15:1156-1167. [PMID: 32335533 DOI: 10.1123/ijspp.2019-0267] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 10/11/2019] [Accepted: 12/03/2019] [Indexed: 02/08/2023]
Abstract
PURPOSE High cardiorespiratory capacity is a key determinant of human performance and life expectancy; however, the underlying mechanisms are not fully understood. The objective of this pilot study was to investigate biochemical signatures of endurance-performance athletes using high-resolution nontargeted metabolomics. METHODS Elite long-distance runners with similar training and anthropometrical records were studied. After athletes' maximal oxygen consumption (V˙O2max) was measured, they were divided into 2 groups: low V˙O2max (<65 mL·kg-1·min-1, n = 7) and high V˙O2max (>75 mL·kg-1·min-1, n = 7). Plasma was collected under basal conditions after 12 hours of fasting and after a maximal exercise test (nonfasted) and analyzed by high-resolution LC-MS. Multivariate and univariate statistics were applied. RESULTS A total of 167 compounds were putatively identified with an LC-MS-based metabolomics pipeline. Partial least-squares discriminant analysis showed a clear separation between groups. Significant variations in metabolites highlighted group differences in diverse metabolic pathways, including lipids, vitamins, amino acids, purine, histidine, xenobiotics, and others, either under basal condition or after the maximal exercise test. CONCLUSIONS Taken together, the metabolic alterations revealed in the study affect cellular energy use and availability, oxidative stress management, muscle damage, central nervous system signaling metabolites, nutrients, and compound bioavailability, providing new insights into metabolic alterations associated with exercise and cardiorespiratory fitness levels in trained athletes.
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10
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Pizzatti L, Kawassaki ACB, Fadel B, Nogueira FCS, Evaristo JAM, Woldmar N, Teixeira GT, Da Silva JC, Scandolara TB, Rech D, Candiotto LPZ, Silveira GF, Pavanelli WR, Panis C. Toxicoproteomics Disclose Pesticides as Downregulators of TNF-α, IL-1β and Estrogen Receptor Pathways in Breast Cancer Women Chronically Exposed. Front Oncol 2020; 10:1698. [PMID: 32984049 PMCID: PMC7483484 DOI: 10.3389/fonc.2020.01698] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022] Open
Abstract
Deleterious effects have been widely associated with chronic pesticide exposure, including cancer development. In spite of several known consequences that pesticides can trigger in the human body, few is known regarding its impact on breast cancer women that are chronically exposed to such substances during agricultural work lifelong. In this context, the present study performed a high-throughput toxicoproteomic study in association with a bioinformatics-based design to explore new putative processes and pathways deregulated by chronic pesticide exposure in breast cancer patients. To reach this goal, we analyzed comparatively non-depleted plasma samples from exposed (n = 130) and non-occupationally exposed (n = 112) women diagnosed with breast cancer by using a label-free proteomic tool. The list of proteins differentially expressed was explored by bioinformatics and the main pathways and processes further investigated. The toxicoproteomic study revealed that women exposed to pesticides exhibited mainly downregulated events, linked to immune response, coagulation and estrogen-mediated events in relation to the unexposed ones. Further investigation shown that the identified deregulated processes and pathways correlated with significant distinct levels tumor necrosis factor alpha and interleukin 1 beta in the blood, and specific clinicopathological characteristics pointed out by bioinformatics analysis as adipose-trophic levels, menopause and intratumoral clots formation. Altogether, these findings reinforce pesticides as downregulators of several biological process and highlight that these compounds can be linked to poor prognosis in breast cancer.
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Affiliation(s)
| | | | - Bruna Fadel
- Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Nicole Woldmar
- Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Thalita Basso Scandolara
- Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,State University of West Paraná, UNIOESTE, Paraná, Brazil
| | - Daniel Rech
- State University of West Paraná, UNIOESTE, Paraná, Brazil
| | | | | | | | - Carolina Panis
- State University of West Paraná, UNIOESTE, Paraná, Brazil.,State University of Londrina, Londrina, Brazil
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11
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Aguiar RS, Pohl F, Morais GL, Nogueira FCS, Carvalho JB, Guida L, Arge LWP, Melo A, Moreira MEL, Cunha DP, Gomes L, Portari EA, Velasquez E, Melani RD, Pezzuto P, de Castro FL, Geddes VEV, Gerber AL, Azevedo GS, Schamber-Reis BL, Gonçalves AL, Junqueira-de-Azevedo I, Nishiyama MY, Ho PL, Schanoski AS, Schuch V, Tanuri A, Chimelli L, Vasconcelos ZFM, Domont GB, Vasconcelos ATR, Nakaya HI. Molecular alterations in the extracellular matrix in the brains of newborns with congenital Zika syndrome. Sci Signal 2020; 13:eaay6736. [PMID: 32518143 DOI: 10.1126/scisignal.aay6736] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Zika virus (ZIKV) infection during pregnancy can cause a set of severe abnormalities in the fetus known as congenital Zika syndrome (CZS). Experiments with animal models and in vitro systems have substantially contributed to our understanding of the pathophysiology of ZIKV infection. Here, to investigate the molecular basis of CZS in humans, we used a systems biology approach to integrate transcriptomic, proteomic, and genomic data from the postmortem brains of neonates with CZS. We observed that collagens were greatly reduced in expression in CZS brains at both the RNA and protein levels and that neonates with CZS had several single-nucleotide polymorphisms in collagen-encoding genes that are associated with osteogenesis imperfecta and arthrogryposis. These findings were validated by immunohistochemistry and comparative analysis of collagen abundance in ZIKV-infected and uninfected samples. In addition, we showed a ZIKV-dependent increase in the expression of cell adhesion factors that are essential for neurite outgrowth and axon guidance, findings that are consistent with the neuronal migration defects observed in CZS. Together, these findings provide insights into the underlying molecular alterations in the ZIKV-infected brain and reveal host genes associated with CZS susceptibility.
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Affiliation(s)
- Renato S Aguiar
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Departamento de Biologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fabio Pohl
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Guilherme L Morais
- National Laboratory of Scientific Computation, LNCC/MCTI, Petrópolis, Brazil
| | - Fabio C S Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Joseane B Carvalho
- National Laboratory of Scientific Computation, LNCC/MCTI, Petrópolis, Brazil
| | - Letícia Guida
- Fernandes Figueira Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Luis W P Arge
- National Laboratory of Scientific Computation, LNCC/MCTI, Petrópolis, Brazil
| | - Adriana Melo
- Instituto de Pesquisa Professor Amorim Neto, Campina Grande, Paraíba, Brazil
| | | | - Daniela P Cunha
- Fernandes Figueira Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Leonardo Gomes
- Fernandes Figueira Institute, Fiocruz, Rio de Janeiro, Brazil
| | | | - Erika Velasquez
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rafael D Melani
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paula Pezzuto
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernanda L de Castro
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Victor E V Geddes
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexandra L Gerber
- National Laboratory of Scientific Computation, LNCC/MCTI, Petrópolis, Brazil
| | - Girlene S Azevedo
- Instituto de Pesquisa Professor Amorim Neto, Campina Grande, Paraíba, Brazil
| | - Bruno L Schamber-Reis
- Faculdade de Ciências Médicas de Campina Grande, Núcleo de Genética Médica, Centro Universitário UniFacisa, Campina Grande, Paraíba, Brazil
| | - Alessandro L Gonçalves
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Milton Y Nishiyama
- Special Laboratory for Applied Toxinology, Butantan Institute, São Paulo, Brazil
| | - Paulo L Ho
- Bacteriology Laboratory, Butantan Institute, São Paulo, Brazil
| | | | - Viviane Schuch
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Amilcar Tanuri
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leila Chimelli
- Laboratório de Neuropatologia, Instituto Estadual do Cérebro, Rio de Janeiro, Brazil.
| | | | - Gilberto B Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Ana T R Vasconcelos
- National Laboratory of Scientific Computation, LNCC/MCTI, Petrópolis, Brazil.
| | - Helder I Nakaya
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
- Scientific Platform Pasteur-USP, São Paulo, Brazil
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12
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Cepeda LPP, Bagatelli FFM, Santos RM, Santos MDM, Nogueira FCS, Oliveira CC. The ribosome assembly factor Nop53 controls association of the RNA exosome with pre-60S particles in yeast. J Biol Chem 2019; 294:19365-19380. [PMID: 31662437 DOI: 10.1074/jbc.ra119.010193] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/22/2019] [Indexed: 12/24/2022] Open
Abstract
Eukaryotic ribosomal biogenesis is a high-energy-demanding and complex process that requires hundreds of trans-acting factors to dynamically build the highly-organized 40S and 60S subunits. Each ribonucleoprotein complex comprises specific rRNAs and ribosomal proteins that are organized into functional domains. The RNA exosome complex plays a crucial role as one of the pre-60S-processing factors, because it is the RNase responsible for processing the 7S pre-rRNA to the mature 5.8S rRNA. The yeast pre-60S assembly factor Nop53 has previously been shown to associate with the nucleoplasmic pre-60S in a region containing the "foot" structure assembled around the 3' end of the 7S pre-rRNA. Nop53 interacts with 25S rRNA and with several 60S assembly factors, including the RNA exosome, specifically, with its catalytic subunit Rrp6 and with the exosome-associated RNA helicase Mtr4. Nop53 is therefore considered the adaptor responsible for recruiting the exosome complex for 7S processing. Here, using proteomics-based approaches in budding yeast to analyze the effects of Nop53 on the exosome interactome, we found that the exosome binds pre-ribosomal complexes early during the ribosome maturation pathway. We also identified interactions through which Nop53 modulates exosome activity in the context of 60S maturation and provide evidence that in addition to recruiting the exosome, Nop53 may also be important for positioning the exosome during 7S processing. On the basis of these findings, we propose that the exosome is recruited much earlier during ribosome assembly than previously thought, suggesting the existence of additional interactions that remain to be described.
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Affiliation(s)
- Leidy Paola P Cepeda
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil
| | - Felipe F M Bagatelli
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil
| | - Renata M Santos
- Proteomics Unit and Laboratory of Proteomics/LADETEC, Federal University of Rio de Janeiro, 22410-001 Rio de Janeiro (RJ), Brazil
| | - Marlon D M Santos
- Laboratory for Structural and Computational Proteomics, Carlos Chagas Institute, Fiocruz, Curitiba, PR, CEP 81350-010, Brazil
| | - Fabio C S Nogueira
- Proteomics Unit and Laboratory of Proteomics/LADETEC, Federal University of Rio de Janeiro, 22410-001 Rio de Janeiro (RJ), Brazil
| | - Carla C Oliveira
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil
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13
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Velásquez E, Martins-de-Souza D, Velásquez I, Carneiro GRA, Schmitt A, Falkai P, Domont GB, Nogueira FCS. Quantitative Subcellular Proteomics of the Orbitofrontal Cortex of Schizophrenia Patients. J Proteome Res 2019; 18:4240-4253. [PMID: 31581776 DOI: 10.1021/acs.jproteome.9b00398] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Schizophrenia is a chronic disease characterized by the impairment of mental functions with a marked social dysfunction. A quantitative proteomic approach using iTRAQ labeling and SRM, applied to the characterization of mitochondria (MIT), crude nuclear fraction (NUC), and cytoplasm (CYT), can allow the observation of dynamic changes in cell compartments providing valuable insights concerning schizophrenia physiopathology. Mass spectrometry analyses of the orbitofrontal cortex from 12 schizophrenia patients and 8 healthy controls identified 655 protein groups in the MIT fraction, 1500 in NUC, and 1591 in CYT. We found 166 groups of proteins dysregulated among all enriched cellular fractions. Through the quantitative proteomic analysis, we detect as the main biological pathways those related to calcium and glutamate imbalance, cell signaling disruption of CREB activation, axon guidance, and proteins involved in the activation of NF-kB signaling along with the increase of complement protein C3. Based on our data analysis, we suggest the activation of NF-kB as a possible pathway that links the deregulation of glutamate, calcium, apoptosis, and the activation of the immune system in schizophrenia patients. All MS data are available in the ProteomeXchange Repository under the identifier PXD015356 and PXD014350.
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Affiliation(s)
- Erika Velásquez
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry , Federal University of Rio de Janeiro , Rio de Janeiro 21941-909 , Brazil
| | - Daniel Martins-de-Souza
- Laboratory of Neuroproteomics, Department of Biochemistry, Institute of Biology , University of Campinas (UNICAMP) , Campinas 13083-970 , Brazil.,Experimental Medicine Research Cluster (EMRC) University of Campinas , Campinas 13083-887 , SP , Brazil.,Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBION) , Conselho Nacional de Desenvolvimento Cientı́fico e Tecnológico (CNPq) , São Paulo , Brazil
| | | | - Gabriel Reis Alves Carneiro
- Laboratory of Proteomics, LADETEC, Institute of Chemistry , Federal University of Rio de Janeiro , Rio de Janeiro 21941-598 , Brazil
| | - Andrea Schmitt
- Department of Psychiatry and Psychotherapy , Ludwig Maximilian University of Munich (LMU) , 80539 Munich , Germany
| | - Peter Falkai
- Department of Psychiatry and Psychotherapy , Ludwig Maximilian University of Munich (LMU) , 80539 Munich , Germany
| | - Gilberto B Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry , Federal University of Rio de Janeiro , Rio de Janeiro 21941-909 , Brazil
| | - Fabio C S Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry , Federal University of Rio de Janeiro , Rio de Janeiro 21941-909 , Brazil.,Laboratory of Proteomics, LADETEC, Institute of Chemistry , Federal University of Rio de Janeiro , Rio de Janeiro 21941-598 , Brazil
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14
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Kawahara R, Recuero S, Nogueira FCS, Domont GB, Leite KRM, Srougi M, Thaysen-Andersen M, Palmisano G. Tissue Proteome Signatures Associated with Five Grades of Prostate Cancer and Benign Prostatic Hyperplasia. Proteomics 2019; 19:e1900174. [PMID: 31576646 DOI: 10.1002/pmic.201900174] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 08/28/2019] [Indexed: 12/22/2022]
Abstract
The histology-based Gleason score (GS) of prostate cancer (PCa) tissue biopsy is the most accurate predictor of disease aggressiveness and an important measure to guide treatment strategies and patient management. The variability associated with PCa tumor sampling and the subjective determination of the GS are challenges that limit accurate diagnostication and prognostication. Thus, novel molecular signatures are needed to distinguish between indolent and aggressive forms of PCa for better patient management and outcomes. Herein, label-free LC-MS/MS proteomics is used to profile the proteome of 50 PCa tissues spanning five grade groups (n = 10 per group) relative to tissues from individuals with benign prostatic hyperplasia (BPH). Over 2000 proteins are identified albeit at different levels between and within the patient groups, revealing biological processes associated with specific grades. A panel of 11 prostate-derived proteins including IGKV3D-20, RNASET2, TACC2, ANXA7, LMOD1, PRCP, GYG1, NDUFV1, H1FX, APOBEC3C, and CTSZ display the potential to stratify patients from low and high PCa grade groups. Parallel reaction monitoring of the same sample cohort validate the differential expression of LMOD1, GYG1, IGKV3D-20, and RNASET2. The four proteins associated with low and high PCa grades reported here warrant further exploration as candidate biomarkers for PCa aggressiveness.
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Affiliation(s)
- Rebeca Kawahara
- Instituto de Ciências Biomédicas, Departamento de Parasitologia, Universidade de São Paulo, USP, São Paulo, CEP: 05508-000, Brazil.,Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia
| | - Saulo Recuero
- Laboratório de Investigação Médica da Disciplina de Urologia da Faculdade de Medicina da USP, LIM55, São Paulo, CEP: 01246-903, Brazil
| | - Fabio C S Nogueira
- Instituto de Química, Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP: 21941-909, Brazil
| | - Gilberto B Domont
- Instituto de Química, Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, CEP: 21941-909, Brazil
| | - Katia R M Leite
- Laboratório de Investigação Médica da Disciplina de Urologia da Faculdade de Medicina da USP, LIM55, São Paulo, CEP: 01246-903, Brazil
| | - Miguel Srougi
- Laboratório de Investigação Médica da Disciplina de Urologia da Faculdade de Medicina da USP, LIM55, São Paulo, CEP: 01246-903, Brazil
| | | | - Giuseppe Palmisano
- Instituto de Ciências Biomédicas, Departamento de Parasitologia, Universidade de São Paulo, USP, São Paulo, CEP: 05508-000, Brazil
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15
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Abstract
The protein composition of animal venoms is usually determined by peptide-centric proteomics approaches (bottom-up proteomics). However, this technique cannot, in most cases, distinguish among toxin proteoforms, herein called toxiforms, because of the protein inference problem. Top-down proteomics (TDP) analyzes intact proteins without digestion and provides high quality data to identify and characterize toxiforms. Denaturing top-down proteomics is the most disseminated subarea of TDP, which performs qualitative and quantitative analyzes of proteoforms up to ~30 kDa in high-throughput and automated fashion. On the other hand, native top-down proteomics provides access to information on large proteins (> 50 kDA) and protein interactions preserving non-covalent bonds and physiological complex stoichiometry. The use of native and denaturing top-down venomics introduced novel and useful techniques to toxinology, allowing an unprecedented characterization of venom proteins and protein complexes at the toxiform level. The collected data contribute to a deep understanding of venom natural history, open new possibilities to study the toxin evolution, and help in the development of better biotherapeutics.
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Affiliation(s)
- Rafael D. Melani
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, 149, CT A-542, Cidade Universitária, Rio de Janeiro, RJ CEP 21941-909 Brazil
| | - Fabio C. S. Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, 149, CT A-542, Cidade Universitária, Rio de Janeiro, RJ CEP 21941-909 Brazil
| | - Gilberto B. Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, 149, CT A-542, Cidade Universitária, Rio de Janeiro, RJ CEP 21941-909 Brazil
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16
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Velásquez E, Nogueira FCS, Velásquez I, Schmitt A, Falkai P, Domont GB, Martins-de-Souza D. Synaptosomal Proteome of the Orbitofrontal Cortex from Schizophrenia Patients Using Quantitative Label-Free and iTRAQ-Based Shotgun Proteomics. J Proteome Res 2017; 16:4481-4494. [PMID: 28949146 DOI: 10.1021/acs.jproteome.7b00422] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Schizophrenia is a chronic and incurable neuropsychiatric disorder that affects about one percent of the world population. The proteomic characterization of the synaptosome fraction of the orbitofrontal cortex is useful for providing valuable information about the molecular mechanisms of synaptic functions in these patients. Quantitative analyses of synaptic proteins were made with eight paranoid schizophrenia patients and a pool of eight healthy controls free of mental diseases. Label-free and iTRAQ labeling identified a total of 2018 protein groups. Statistical analyses revealed 12 and 55 significantly dysregulated proteins by iTRAQ and label-free, respectively. Quantitative proteome analyses showed an imbalance in the calcium signaling pathway and proteins such as reticulon-1 and cytochrome c, related to endoplasmic reticulum stress and programmed cell death. Also, it was found that there is a significant increase in limbic-system-associated membrane protein and α-calcium/calmodulin-dependent protein kinase II, associated with the regulation of human behavior. Our data contribute to a better understanding about apoptosis as a possible pathophysiological mechanism of this disease as well as neural systems supporting social behavior in schizophrenia. This study also is a joint effort of the Chr 15 C-HPP team and the Human Brain Proteome Project of B/D-HPP. All MS proteomics data are deposited in the ProteomeXchange Repository under PXD006798.
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Affiliation(s)
- Erika Velásquez
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro , Rio de Janeiro, 21941-909 Rio de Janeiro, Brazil
| | - Fabio C S Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro , Rio de Janeiro, 21941-909 Rio de Janeiro, Brazil.,Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro , Rio de Janeiro, 21941-598 Rio de Janeiro, Brazil
| | | | - Andrea Schmitt
- Department of Psychiatry and Psychotherapy, Ludwig Maximilian University of Munich (LMU) , 80336 Munich, Germany
| | - Peter Falkai
- Department of Psychiatry and Psychotherapy, Ludwig Maximilian University of Munich (LMU) , 80336 Munich, Germany
| | - Gilberto B Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro , Rio de Janeiro, 21941-909 Rio de Janeiro, Brazil
| | - Daniel Martins-de-Souza
- Laboratory of Neuroproteomics, Department of Biochemistry, Institute of Biology, University of Campinas (UNICAMP) , Campinas, 13083-862 São Paulo, Brazil.,UNICAMP's Neurobiology Center , Campinas, 13083-888 São Paulo, Brazil.,Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBION), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico , São Paulo, 01060-970 São Paulo, Brazil
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17
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Oliveira DS, Brito NF, Nogueira FCS, Moreira MF, Leal WS, Soares MR, Melo ACA. Proteomic analysis of the kissing bug Rhodnius prolixus antenna. J Insect Physiol 2017; 100:108-118. [PMID: 28606853 DOI: 10.1016/j.jinsphys.2017.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 06/07/2017] [Accepted: 06/07/2017] [Indexed: 06/07/2023]
Abstract
Reception of odorants is essential in insects' life since the chemical signals in the environment (=semiochemicals) convey information about availability of hosts for a blood meal, mates for reproduction, sites for oviposition and other relevant information for fitness in the environment. Once they reach the antennae, these semiochemicals bind to odorant-binding proteins and are transported through the sensillar lymph until reach the odorant receptors. Such perireceptor events, particularly the interactions with transport proteins, are the liaison between the external environment and the entire neuroethological system and, therefore, a potential target to disrupt insect chemical communication. In this study, a proteomic profile of female and male antennae of Rhodnius prolixus, a vector of Chagas disease, was obtained in an attempt to unravel the entire repertoire of olfactory proteins involved in perireceptor events. Using shotgun proteomics and two-dimensional gel electrophoresis approaches followed by nano liquid chromatography coupled with tandem LTQ Velos Orbitrap mass spectrometry, we have identified 581 unique proteins. Putative olfactory proteins, including 17 odorant binding proteins, 6 chemosensory proteins, 2 odorant receptors, 3 transient receptor channels and 1 gustatory receptor were identified. Proteins involved in general cellular functions such as generation of precursor metabolites, energy generation and catabolism were expressed at high levels. Additionally, proteins that take part in signal transduction, ion binding, and stress response, kinase and oxidoreductase activity were frequent in antennae from both sexes. This proteome strategy unraveled for the first time the complex nature of perireceptor and other olfactory events that occur in R. prolixus antennae, including evidence for phosphorylation of odorant-binding and chemosensory proteins. These findings not only increase our understanding of the olfactory process in triatomine species, but also identify potential molecular targets to be explored for population control of such insect vectors.
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Affiliation(s)
- Daniele S Oliveira
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil
| | - Nathalia F Brito
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil
| | - Fabio C S Nogueira
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil
| | - Monica F Moreira
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil; Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, Rio de Janeiro, Brazil
| | - Walter S Leal
- University of California-Davis, Department of Molecular and Cellular Biology, 95616 Davis, CA, USA
| | - Marcia R Soares
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil
| | - Ana C A Melo
- Universidade Federal do Rio de Janeiro, Instituto de Química, 21941-909 Rio de Janeiro, RJ, Brazil; Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, Rio de Janeiro, Brazil.
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Shah M, Soares EL, Lima MLB, Pinheiro CB, Soares AA, Domont GB, Nogueira FCS, Campos FAP. Deep proteome analysis of gerontoplasts from the inner integument of developing seeds of Jatropha curcas. J Proteomics 2016; 143:346-352. [PMID: 26924298 DOI: 10.1016/j.jprot.2016.02.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/15/2016] [Accepted: 02/22/2016] [Indexed: 01/17/2023]
Abstract
UNLABELLED The inner integument of Jatropha curcas seeds is a non-photosynthetic tissue that acts primarily as a conduit for the delivery of nutrients to the embryo and endosperm. In this study we performed a histological and transmission electron microscopy analysis of the inner integument in stages prior to fertilization to 25days after pollination, to establish the structural changes associated with the plastid to gerontoplast transition. This study showed that plastids are subjected to progressive changes, which include the dismantling of the internal membrane system, matrix degradation and the formation of stromule-derived vesicles. A proteome analysis of gerontoplasts isolated from the inner integument at 25days after pollination, resulted in the identification of 1923 proteins, which were involved in a myriad of metabolic functions, such as synthesis of amino acids and fatty acids. Among the identified proteins, were also a number of hydrolases (peptidases, lipases and carbohydrases), which presumably are involved in the ordered dismantling of this organelle to provide additional sources of nutrients for the growing embryo and endosperm. The dataset we provide here may provide a foundation for the study of the proteome changes associated with the plastid to gerontoplast transition in non-photosynthetic tissues. SIGNIFICANCE We describe ultrastructural features of gerontoplasts isolated from the inner integument of developing seeds of Jatropha curcas, together with a deep proteome analysis of these gerontoplasts. This article explores a new aspect of the biology of plastids, namely the ultrastructural and proteome changes associated with the transition plastid to gerontoplast in a non-photosynthetic tissue.
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Affiliation(s)
- Mohibullah Shah
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil
| | - Emanoella L Soares
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil
| | - Magda L B Lima
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil
| | - Camila B Pinheiro
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil
| | - Arlete A Soares
- Department of Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil
| | - Gilberto B Domont
- Proteomic Unit, Institute of Chemistry, Federal University of Rio de Janeiro, 21941-909, Rio de Janeiro, Brazil
| | - Fabio C S Nogueira
- Proteomic Unit, Institute of Chemistry, Federal University of Rio de Janeiro, 21941-909, Rio de Janeiro, Brazil.
| | - Francisco A P Campos
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza 60455-900, Ceara, Brazil.
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19
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Portes-Junior JA, Yamanouye N, Carneiro SM, Knittel PS, Sant’Anna SS, Nogueira FCS, Junqueira M, Magalhães GS, Domont GB, Moura-da-Silva AM. Unraveling the Processing and Activation of Snake Venom Metalloproteinases. J Proteome Res 2014; 13:3338-48. [DOI: 10.1021/pr500185a] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | | | | | | | | | - Fabio C. S. Nogueira
- Unidade
de Proteômica, Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
| | - Magno Junqueira
- Unidade
de Proteômica, Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
| | | | - Gilberto B. Domont
- Unidade
de Proteômica, Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
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20
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Aquino PF, Lima DB, de Saldanha da Gama Fischer J, Melani RD, Nogueira FCS, Chalub SRS, Soares ER, Barbosa VC, Domont GB, Carvalho PC. Exploring the proteomic landscape of a gastric cancer biopsy with the shotgun imaging analyzer. J Proteome Res 2013; 13:314-20. [PMID: 24283986 DOI: 10.1021/pr400919k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Accessing localized proteomic profiles has emerged as a fundamental strategy to understand the biology of diseases, as recently demonstrated, for example, in the context of determining cancer resection margins with improved precision. Here, we analyze a gastric cancer biopsy sectioned into 10 parts, each one subjected to MudPIT analysis. We introduce a software tool, named Shotgun Imaging Analyzer and inspired in MALDI imaging, to enable the overlaying of a protein's expression heat map on a tissue picture. The software is tightly integrated with the NeXtProt database, so it enables the browsing of identified proteins according to chromosomes, quickly listing human proteins never identified by mass spectrometry (i.e., the so-called missing proteins), and the automatic search for proteins that are more expressed over a specific region of interest on the biopsy, all of which constitute goals that are clearly well-aligned with those of the C-HPP. Our software has been able to highlight an intense expression of proteins previously known to be correlated with cancers (e.g., glutathione S-transferase Mu 3), and in particular, we draw attention to Gastrokine-2, a "missing protein" identified in this work of which we were able to clearly delineate the tumoral region from the "healthy" with our approach. Data are available via ProteomeXchange with identifier PXD000584.
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Affiliation(s)
- Priscila Ferreira Aquino
- Proteomics Unit, Rio de Janeiro Proteomics Network, Department of Biochemistry, Federal University of Rio de Janeiro , Rio de Janeiro 21941-909, Brazil
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21
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Perez-Riverol Y, Sánchez A, Noda J, Borges D, Carvalho PC, Wang R, Vizcaíno JA, Betancourt L, Ramos Y, Duarte G, Nogueira FCS, González LJ, Padrón G, Tabb DL, Hermjakob H, Domont GB, Besada V. HI-bone: a scoring system for identifying phenylisothiocyanate-derivatized peptides based on precursor mass and high intensity fragment ions. Anal Chem 2013; 85:3515-20. [PMID: 23448308 DOI: 10.1021/ac303239g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Peptide sequence matching algorithms used for peptide identification by tandem mass spectrometry (MS/MS) enumerate theoretical peptides from the database, predict their fragment ions, and match them to the experimental MS/MS spectra. Here, we present an approach for scoring MS/MS identifications based on the high mass accuracy matching of precursor ions, the identification of a high intensity b1 fragment ion, and partial sequence tags from phenylthiocarbamoyl-derivatized peptides. This derivatization process boosts the b1 fragment ion signal, which turns it into a powerful feature for peptide identification. We demonstrate the effectiveness of our scoring system by implementing it on a computational tool called "HI-bone" and by identifying mass spectra of an Escherichia coli sample acquired on an Orbitrap Velos instrument using Higher-energy C-trap dissociation. Following this strategy, we identified 1614 peptide spectrum matches with a peptide false discovery rate (FDR) below 1%. These results were significantly higher than those from Mascot and SEQUEST using a similar FDR.
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Affiliation(s)
- Yasset Perez-Riverol
- Department of Proteomics, Center for Genetic Engineering and Biotechnology, Cubanacán, Playa, Ciudad de la Habana, Cuba
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22
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Borges D, Perez-Riverol Y, Nogueira FCS, Domont GB, Noda J, da Veiga Leprevost F, Besada V, França FMG, Barbosa VC, Sánchez A, Carvalho PC. Effectively addressing complex proteomic search spaces with peptide spectrum matching. Bioinformatics 2013; 29:1343-4. [DOI: 10.1093/bioinformatics/btt106] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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23
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Gonçalves LDR, Soares MR, Nogueira FCS, Garcia CHS, Camisasca DR, Domont G, Feitosa ACR, Pereira DA, Zingali RB, Alves G. Analysis of the salivary proteome in gingivitis patients. J Periodontal Res 2011; 46:599-606. [PMID: 21668887 DOI: 10.1111/j.1600-0765.2011.01378.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVE Gingivitis is a disease that is characterized by inflammation of the gingival tissue, which can progress to periodontitis and tooth loss. Although many studies have attempted to identify salivary proteins that are associated with the disease, this is the first study to use a proteomic approach to analyze and compare the proteomic profile of whole saliva from gingivitis patients and healthy controls. MATERIAL AND METHOD To analyze the saliva proteome, two-dimensional gel electrophoresis and liquid chromatography were used, followed by mass spectrometry. RESULTS The analyses showed that gingival inflammation was associated with increased amounts of blood proteins (serum albumin and hemoglobin), immunoglobulin peptides and keratins. In the control group, salivary cystatins, which were detected using capillary Liquid Chromatography on line to electrospray ionization Quadrupole Time-of-flight mass spectrometry, appeared to be more abundant. CONCLUSION This approach provides novel insight into profiles of the salivary proteome during gingival inflammation, which may contribute to improvements in diagnosis.
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Affiliation(s)
- L da R Gonçalves
- Laboratório de Genética Aplicada, Instituto Nacional de Câncer, INCA, Rio de Janeiro, Brasil.
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Nogueira FCS, Gonçalves EF, Jereissati ES, Santos M, Costa JH, Oliveira-Neto OB, Soares AA, Domont GB, Campos FAP. Proteome analysis of embryogenic cell suspensions of cowpea (Vigna unguiculata). Plant Cell Rep 2007; 26:1333-43. [PMID: 17333015 DOI: 10.1007/s00299-007-0327-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2006] [Revised: 01/05/2007] [Accepted: 02/10/2007] [Indexed: 05/14/2023]
Abstract
Using a combination of two-dimensional gel electrophoresis protein mapping and mass spectrometry analysis, we have established proteome reference maps of embryogenic cell suspensions of cowpea (Vigna unguiculata). The cell suspensions were generated from young primary leaves and contained basically pro-embryogenic masses, which enabled us to dissect their proteome composition while eliminating the complexity of too many cell types. Over 550 proteins could reproducibly be resolved over a pI range of 3-10. A total of 128 of the most abundant protein spots were excised, digested in-gel with trypsin and analyzed by tandem mass spectrometry. This enabled the identification of 67 protein spots. Two of the most abundant proteins were identified as a chitinase and as a ribonuclease belonging to the family of PR-4 and PR-10 proteins, respectively. The expression of the respective genes was confirmed by RT-PCR and the pattern of deposition of the PR-10 protein in cell suspensions as well as in developing cowpea seeds, roots, shoots and flowers were determined by Western blot experiments, using synthetic antibodies raised against a 14-amino acid synthetic peptide located close to the C-terminal region of the PR-10 protein.
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Affiliation(s)
- F C S Nogueira
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil
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