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Estêvão J, Osorio H, Costas B, Cruz A, Fernández-Boo S. Search for new biomarkers of tolerance to Perkinsus olseni parasite infection in Ruditapes decussatus clams. Fish Shellfish Immunol 2023; 134:108566. [PMID: 36736640 DOI: 10.1016/j.fsi.2023.108566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
The grooved carpet shell (Ruditapes decussatus) is a clam species with high economic and social importance in several European and Mediterranean countries. Production of this species suffered a decline caused by biotic (parasite infection) and abiotic factors (environmental factors, stress, poor management methods and intensive culture of the introduced species Ruditapes philippinarum). The protozoan parasite Perkinsus olseni is also responsible for the decline of production, being nowadays one of the major issues for clam culture. Molecular biomarkers that might represent tolerance of R. decussatus to P. olseni have already been uncovered, shedding light in a possible production improvement by selecting those clams with a strongest immune response. In the present study, new tolerance biomarkers to P. olseni infection in R. decussatus were identified. The haemolymph proteomic profiles of naturally non/low-infected (tolerant) and highly-infected (susceptible) clams by the parasite across several heavy affected areas of Europe were characterized through a shotgun proteomics approach. Also, the mechanisms that might be involved in the responses against the disease in chronic infections were explored. Proteins related to energy restoration and balance, metabolic regulation, energy accumulation, ROS production, lysosomal activity, amino acid synthesis, proteolytic activity, iron regulation, iron withholding, and immune response modulation were significantly regulated in susceptible clams. In the tolerant group, proteins related to phagocytosis regulation, control of cell growth and proliferation, gonadal maturation, regulation of apoptosis, growth modulation, response to oxidative stress, iron regulation, shell development and metabolic regulation were significantly expressed. In summary, the protein expression profile of tolerant individuals suggests that an efficient pathogen elimination mechanism coupled to a better metabolic regulation leads to a tolerance to the parasite infection by limiting the spread through the tissues.
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Affiliation(s)
- João Estêvão
- Animal Health and Aquaculture (A2S), CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, University of Porto, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Hugo Osorio
- i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal; Ipatimup-Institute of Molecular Pathology and Immunology of the University of Porto, University of Porto, Porto, Portugal
| | - Benjamin Costas
- Animal Health and Aquaculture (A2S), CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, University of Porto, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Andreia Cruz
- Oceano Fresco S.A, Porto de Abrigo, 2450-075, Nazaré, Portugal
| | - Sergio Fernández-Boo
- Animal Health and Aquaculture (A2S), CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, University of Porto, Porto, Portugal.
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Ruivo CF, Bastos N, Adem B, Batista I, Duraes C, Melo CA, Castaldo SA, Campos‐Laborie F, Moutinho-Ribeiro P, Morão B, Costa-Pinto A, Silva S, Osorio H, Ciordia S, Costa JL, Goodrich D, Cavadas B, Pereira L, Kouzarides T, Macedo G, Maio R, Carneiro F, Cravo M, Kalluri R, Machado JC, Melo SA. Extracellular Vesicles from Pancreatic Cancer Stem Cells Lead an Intratumor Communication Network (EVNet) to fuel tumour progression. Gut 2022; 71:gutjnl-2021-324994. [PMID: 35012996 PMCID: PMC9271144 DOI: 10.1136/gutjnl-2021-324994] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 12/07/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Intratumor heterogeneity drives cancer progression and therapy resistance. However, it has yet to be determined whether and how subpopulations of cancer cells interact and how this interaction affects the tumour. DESIGN We have studied the spontaneous flow of extracellular vesicles (EVs) between subpopulations of cancer cells: cancer stem cells (CSC) and non-stem cancer cells (NSCC). To determine the biological significance of the most frequent communication route, we used pancreatic ductal adenocarcinoma (PDAC) orthotopic models, patient-derived xenografts (PDXs) and genetically engineered mouse models (GEMMs). RESULTS We demonstrate that PDAC tumours establish an organised communication network between subpopulations of cancer cells using EVs called the EVNet). The EVNet is plastic and reshapes in response to its environment. Communication within the EVNet occurs preferentially from CSC to NSCC. Inhibition of this communication route by impairing Rab27a function in orthotopic xenographs, GEMMs and PDXs is sufficient to hamper tumour growth and phenocopies the inhibition of communication in the whole tumour. Mechanistically, we provide evidence that CSC EVs use agrin protein to promote Yes1 associated transcriptional regulator (YAP) activation via LDL receptor related protein 4 (LRP-4). Ex vivo treatment of PDXs with antiagrin significantly impairs proliferation and decreases the levels of activated YAP.Patients with high levels of agrin and low inactive YAP show worse disease-free survival. In addition, patients with a higher number of circulating agrin+ EVs show a significant increased risk of disease progression. CONCLUSION PDAC tumours establish a cooperation network mediated by EVs that is led by CSC and agrin, which allows tumours to adapt and thrive. Targeting agrin could make targeted therapy possible for patients with PDAC and has a significant impact on CSC that feeds the tumour and is at the centre of therapy resistance.
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Affiliation(s)
- Carolina F Ruivo
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- ICBAS Instituto de Ciencias Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Nuno Bastos
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- ICBAS Instituto de Ciencias Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Barbara Adem
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- ICBAS Instituto de Ciencias Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Ines Batista
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- ICBAS Instituto de Ciencias Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Cecilia Duraes
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | | | - Stephanie A Castaldo
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- Department of Oncology, VIB-KU Leuven Center for Cancer Biology, Leuven, Belgium
| | | | - Pedro Moutinho-Ribeiro
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
- CHUSJ Centro Hospitalar Universitário de São João, Porto, Portugal
| | | | - Ana Costa-Pinto
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Soraia Silva
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Hugo Osorio
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
| | - Sergio Ciordia
- Proteomics Facility, Spanish National Center for Biotechnology, Madrid, Spain
| | - Jose Luis Costa
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
| | | | - Bruno Cavadas
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Luisa Pereira
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | | | - Guilherme Macedo
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
- CHUSJ Centro Hospitalar Universitário de São João, Porto, Portugal
| | - Rui Maio
- Hospital Beatriz Ângelo, Loures, Portugal
- Hospital da Luz, Lisbon, Portugal
- NOVA Medical School, Lisbon, Portugal
| | - Fatima Carneiro
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
- CHUSJ Centro Hospitalar Universitário de São João, Porto, Portugal
| | - Marília Cravo
- Hospital da Luz, Lisbon, Portugal
- FMUL Faculty of Medicine University of Lisbon, Lisbon, Portugal
| | - Raghu Kalluri
- Cancer Biology, University Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jose Carlos Machado
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
| | - Sonia A Melo
- i3S Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- IPATIMUP Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
- FMUP Faculty of Medicine University of Porto, Porto, Portugal
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Osorio H, Toro JC, Schorwer K, Riveros A, Cardenas J. Pioneros de un Siglo de Enseñanza Anatómica en la Ciudad de Concepción, Chile. INT J MORPHOL 2020. [DOI: 10.4067/s0717-95022020000300650] [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: 11/17/2022]
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Uribe CA, Osorio H, Benavides J, Martinez CH, Valley ZA, Kaler KS. A New Technique for Percutaneous Nephrolithotomy Using Retrograde Ureteroscopy and Laser Fiber to Achieve Percutaneous Nephrostomy Access: The Initial Case Report. J Endourol Case Rep 2019; 5:131-136. [PMID: 31501774 PMCID: PMC6730629 DOI: 10.1089/cren.2018.0079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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] [Indexed: 11/21/2022] Open
Abstract
Background: Percutaneous nephrolithotomy (PCNL) serves as the gold standard minimally invasive procedure to remove large renal stones. The puncture is made from the skin to the chosen calix under fluoroscopic guidance, although this remains a challenging technique. We describe the initial case of retrograde holmium laser acquired nephrostomy access. Case Presentation: In this study, we present the case of a 48-year-old woman with right renal colic with imaging revealing a 2.6 cm staghorn stone. With institutional approval, we performed a new technique utilizing retrograde access with a flexible ureteroscope and a holmium laser fiber to achieve nephrostomy access for PCNL in the prone position. With the ureteroscope confirmed in the desired calix, the ureteroscope and laser fiber were aimed and fired toward the flank and thus creating a subcostal nephrostomy tract. PCNL was then carried out per standard of care lithotripsy techniques utilizing the holmium laser. Conclusion: In this initial case, percutaneous retrograde laser access allowed for desired caliceal nephrostomy access under direct vision.
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Affiliation(s)
- Carlos A Uribe
- Division of Urology, Hospital Pablo Tobón Uribe, Medellín, Colombia
| | - Hugo Osorio
- Department of Urology, Clínica CES, Medellín, Colombia
| | | | | | - Zachary A Valley
- Department of Urology, University of California, Irvine, California
| | - Kamaljot S Kaler
- Endourology and Robotic Surgery, Department of Surgery, Southern Alberta Institute of Urology, University of Calgary, Alberta, Canada
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Voss GB, Osorio H, Valente LM, Pintado ME. Impact of thermal treatment and hydrolysis by Alcalase and Cynara cardunculus enzymes on the functional and nutritional value of Okara. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.05.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Domínguez-Pérez D, Campos A, Alexei Rodríguez A, Turkina MV, Ribeiro T, Osorio H, Vasconcelos V, Antunes A. Proteomic Analyses of the Unexplored Sea Anemone Bunodactis verrucosa. Mar Drugs 2018; 16:E42. [PMID: 29364843 PMCID: PMC5852470 DOI: 10.3390/md16020042] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/14/2017] [Accepted: 01/15/2018] [Indexed: 12/11/2022] Open
Abstract
Cnidarian toxic products, particularly peptide toxins, constitute a promising target for biomedicine research. Indeed, cnidarians are considered as the largest phylum of generally toxic animals. However, research on peptides and toxins of sea anemones is still limited. Moreover, most of the toxins from sea anemones have been discovered by classical purification approaches. Recently, high-throughput methodologies have been used for this purpose but in other Phyla. Hence, the present work was focused on the proteomic analyses of whole-body extract from the unexplored sea anemone Bunodactis verrucosa. The proteomic analyses applied were based on two methods: two-dimensional gel electrophoresis combined with MALDI-TOF/TOF and shotgun proteomic approach. In total, 413 proteins were identified, but only eight proteins were identified from gel-based analyses. Such proteins are mainly involved in basal metabolism and biosynthesis of antibiotics as the most relevant pathways. In addition, some putative toxins including metalloproteinases and neurotoxins were also identified. These findings reinforce the significance of the production of antimicrobial compounds and toxins by sea anemones, which play a significant role in defense and feeding. In general, the present study provides the first proteome map of the sea anemone B. verrucosa stablishing a reference for future studies in the discovery of new compounds.
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Affiliation(s)
- Dany Domínguez-Pérez
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
| | - Alexandre Campos
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
| | - Armando Alexei Rodríguez
- Department of Experimental and Clinical Peptide Chemistry, Hanover Medical School (MHH), Feodor-Lynen-Straße 31, D-30625 Hannover, Germany.
| | - Maria V Turkina
- Division of Cell Biology, Department of Clinical and Experimental Medicine, Linköping University, SE-581 85 Linköping, Sweden.
| | - Tiago Ribeiro
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
| | - Hugo Osorio
- Instituto de Investigação e Inovação em Saúde- i3S, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- Ipatimup, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Júlio Amaral de Carvalho, 45, 4200-135 Porto, Portugal.
- Department of Pathology and Oncology, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
| | - Vítor Vasconcelos
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
| | - Agostinho Antunes
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Biology Department, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
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Domínguez-Pérez D, Rodríguez AA, Osorio H, Azevedo J, Castañeda O, Vasconcelos V, Antunes A. Microcystin-LR Detected in a Low Molecular Weight Fraction from a Crude Extract of Zoanthus sociatus. Toxins (Basel) 2017; 9:E89. [PMID: 28257074 PMCID: PMC5371844 DOI: 10.3390/toxins9030089] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 02/20/2017] [Indexed: 01/01/2023] Open
Abstract
Cnidarian constitutes a great source of bioactive compounds. However, research involving peptides from organisms belonging to the order Zoanthidea has received very little attention, contrasting to the numerous studies of the order Actiniaria, from which hundreds of toxic peptides and proteins have been reported. In this work, we performed a mass spectrometry analysis of a low molecular weight (LMW) fraction previously reported as lethal to mice. The low molecular weight (LMW) fraction was obtained by gel filtration of a Zoanthus sociatus (order Zoanthidea) crude extract with a Sephadex G-50, and then analyzed by matrix-assisted laser desorption/ionization time-of-flight/time-of-flight (MALDI-TOF/TOF) mass spectrometry (MS) in positive ion reflector mode from m/z 700 to m/z 4000. Afterwards, some of the most intense and representative MS ions were fragmented by MS/MS with no significant results obtained by Protein Pilot protein identification software and the Mascot algorithm search. However, microcystin masses were detected by mass-matching against libraries of non-ribosomal peptide database (NORINE). Subsequent reversed-phase C18 HPLC (in isocratic elution mode) and mass spectrometry analyses corroborated the presence of the cyanotoxin Microcystin-LR (MC-LR). To the best of our knowledge, this finding constitutes the first report of MC-LR in Z. sociatus, and one of the few evidences of such cyanotoxin in cnidarians.
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Affiliation(s)
- Dany Domínguez-Pérez
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
| | - Armando Alexei Rodríguez
- Department of Experimental and Clinical Peptide Chemistry, Hanover Medical School (MHH), Feodor-Lynen-Straße 31, D-30625 Hannover, Germany.
| | - Hugo Osorio
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal.
- Ipatimup, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Júlio Amaral de Carvalho, 45, 4200-135 Porto, Portugal.
- Department of Pathology and Oncology, Faculty of Medicine, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
| | - Joana Azevedo
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
| | - Olga Castañeda
- Faculty of Biology, University of La Habana, 25 St 455, CP 10400 La Habana, Cuba.
| | - Vítor Vasconcelos
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
| | - Agostinho Antunes
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, Portugal.
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal.
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Catera M, Borelli V, Malagolini N, Chiricolo M, Venturi G, Reis CA, Osorio H, Abruzzo PM, Capri M, Monti D, Ostan R, Franceschi C, Dall'Olio F. Identification of novel plasma glycosylation-associated markers of aging. Oncotarget 2016; 7:7455-68. [PMID: 26840264 PMCID: PMC4884931 DOI: 10.18632/oncotarget.7059] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [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: 10/02/2015] [Accepted: 01/23/2016] [Indexed: 12/14/2022] Open
Abstract
The pro- or anti-inflammatory activities of immunoglobulins G (IgGs) are controlled by the structure of the glycan N-linked to Asn297 of their heavy chain. The age-associated low grade inflammation (inflammaging) is associated with increased plasmatic levels of agalactosylated IgGs terminating with N-acetylglucosamine (IgG-G0) whose biogenesis has not been fully explained. Although the biosynthesis of glycans is in general mediated by glycosyltransferases associated with internal cell membranes, the extracellular glycosylation of circulating glycoproteins mediated by plasmatic glycosyltransferases has been recently demonstrated. In this study we have investigated the relationship between plasmatic glycosyltransferases, IgG glycosylation and inflammatory and aging markers. In cohorts of individuals ranging from infancy to centenarians we determined the activity of plasmatic β4 galactosyltransferase(s) (B4GALTs) and of α2,6-sialyltransferase ST6GAL1, the glycosylation of IgG, the GlycoAge test (a glycosylation-based marker of aging) and the plasma level of inflammatory and liver damage markers. Our results show that: 1) plasmatic B4GALTs activity is a new marker of aging, showing a linear increase throughout the whole age range. 2) plasmatic ST6GAL1 was high only in children and in people above 80, showing a quadratic relationship with age. 3) Neither plasmatic glycosyltransferase correlated with markers of liver damage. 4) plasmatic ST6GAL1 showed a positive association with acute phase proteins in offspring of short lived parents, but not in centenarians or in their offspring. 5) Although the glycosylation of IgGs was not correlated with the level of the two plasmatic glycosyltransferases, it showed progressive age-associated changes consistent with a shift toward a pro-inflammatory glycotype.
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Affiliation(s)
- Mariangela Catera
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Vincenzo Borelli
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Nadia Malagolini
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Mariella Chiricolo
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Giulia Venturi
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Celso A Reis
- Instituto de Investigação e Inovação em Saúde (Institute for Research and Innovation in Health), University of Porto, and Institute of Molecular Pathology and Immunology of The University of Porto IPATIMUP), Porto, Portugal.,Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal.,Faculty of Medicine of The University of Porto, Al. Prof. Hernâni Monteiro, Porto, Portugal
| | - Hugo Osorio
- Instituto de Investigação e Inovação em Saúde (Institute for Research and Innovation in Health), University of Porto, and Institute of Molecular Pathology and Immunology of The University of Porto IPATIMUP), Porto, Portugal.,Faculty of Medicine of The University of Porto, Al. Prof. Hernâni Monteiro, Porto, Portugal
| | - Provvidenza M Abruzzo
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Miriam Capri
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Daniela Monti
- Dipartimento di Scienze Biomediche, Sperimentali e Cliniche "Mario Serio", University of Florence, Florence, Italy
| | - Rita Ostan
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Claudio Franceschi
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
| | - Fabio Dall'Olio
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale (DIMES) University of Bologna, Bologna, Italy
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Tapia E, Sánchez-Lozada LG, García-Niño WR, García E, Cerecedo A, García-Arroyo FE, Osorio H, Arellano A, Cristóbal-García M, Loredo ML, Molina-Jijón E, Hernández-Damián J, Negrette-Guzmán M, Zazueta C, Huerta-Yepez S, Reyes JL, Madero M, Pedraza-Chaverrí J. Curcumin prevents maleate-induced nephrotoxicity: relation to hemodynamic alterations, oxidative stress, mitochondrial oxygen consumption and activity of respiratory complex I. Free Radic Res 2014; 48:1342-54. [PMID: 25119790 DOI: 10.3109/10715762.2014.954109] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The potential protective effect of the dietary antioxidant curcumin (120 mg/Kg/day for 6 days) against the renal injury induced by maleate was evaluated. Tubular proteinuria and oxidative stress were induced by a single injection of maleate (400 mg/kg) in rats. Maleate-induced renal injury included increase in renal vascular resistance and in the urinary excretion of total protein, glucose, sodium, neutrophil gelatinase-associated lipocalin (NGAL) and N-acetyl β-D-glucosaminidase (NAG), upregulation of kidney injury molecule (KIM)-1, decrease in renal blood flow and claudin-2 expression besides of necrosis and apoptosis of tubular cells on 24 h. Oxidative stress was determined by measuring the oxidation of lipids and proteins and diminution in renal Nrf2 levels. Studies were also conducted in renal epithelial LLC-PK1 cells and in mitochondria isolated from kidneys of all the experimental groups. Maleate induced cell damage and reactive oxygen species (ROS) production in LLC-PK1 cells in culture. In addition, maleate treatment reduced oxygen consumption in ADP-stimulated mitochondria and diminished respiratory control index when using malate/glutamate as substrate. The activities of both complex I and aconitase were also diminished. All the above-described alterations were prevented by curcumin. It is concluded that curcumin is able to attenuate in vivo maleate-induced nephropathy and in vitro cell damage. The in vivo protection was associated to the prevention of oxidative stress and preservation of mitochondrial oxygen consumption and activity of respiratory complex I, and the in vitro protection was associated to the prevention of ROS production.
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Affiliation(s)
- E Tapia
- Department of Nephrology, National Institute of Cardiology I. Ch. , Mexico City , Mexico
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Malagolini N, Catera M, Osorio H, Reis CA, Chiricolo M, Dall'Olio F. Apoptotic cells selectively uptake minor glycoforms of vitronectin from serum. Apoptosis 2014; 18:373-84. [PMID: 23381642 DOI: 10.1007/s10495-013-0812-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Apoptosis profoundly alters the carbohydrate layer coating the membrane of eukaryotic cells. Previously we showed that apoptotic cells became reactive with the α2,6-sialyl-specific lectin from Sambucus nigra agglutinin (SNA), regardless of their histological origin and the nature of the apoptotic stimulus. Here we reveal the basis of the phenomenon by showing that in apoptotic cancer cell lines SNA reactivity was mainly associated with a 67 kDa glycoprotein which we identified by MALDI-TOF/TOF and immunoblot analysis as bovine vitronectin (bVN). bVN was neither present in non-apoptotic cells, nor in cells induced to apoptosis in serum-free medium, indicating that its uptake from the cell culture serum occurred only during apoptosis. The bVN molecules associated with apoptotic cancer cell lines represented minor isoforms, lacking the carboxyterminal sequence and paradoxically containing a few α2,6-linked sialic acid residues. Despite their poor α2,6-sialylation, these bVN molecules were sufficient to turn apoptotic cells to SNA reactivity, which is a late apoptotic event occurring in cells positive to both annexin-V and propidium iodide. Unlike in cancer cell lines, the major bVN form taken up by apoptotic neutrophils and mononuclear cells was a 80 kDa form. In apoptotic SW948 cells we also detected the α2,6-sialylated forms of the stress-70 mitochondrial precursor (mortalin) and of tubulin-β2C. These data indicate that the acquisition of vitronectin isoforms from the environment is a general, although cell specific phenomenon, potentially playing an important role in post-apoptotic events and that the α2,6-sialylation of intracellular proteins is a new kind of posttranslational modification associated with apoptosis.
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Affiliation(s)
- Nadia Malagolini
- Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, Via S. Giacomo 14, 40126 Bologna, Italy
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Abstract
Glycoconjugates constitute a major class of biomolecules which include glycoproteins, glycosphingolipids and proteoglycans. Glycans are involved in several physiological and pathological conditions, such as host-pathogen interactions, cell differentiation, migration, tumour invasion and metastisation, cell trafficking and signalling. Cancer is associated with glycosylation alterations in glycoproteins and glycolipids. This review describes various aspects of protein glycosylation with the focus on alterations associated with human cancer. The application of these glycosylation modifications as biomarkers for cancer detection in tumour tissues and serological assays is summarised.
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Affiliation(s)
- Celso A Reis
- Institute of Molecular Pathology and Immunology of the University of Porto - IPATIMUP, Porto 4200-465, Portugal.
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Silles E, Osorio H, Maia R, Günther Sillero MA, Sillero A. Micromolar HgCl2 concentrations transitorily duplicate the ATP level in Saccharomyces cerevisiae cells. FEBS Lett 2005; 579:4044-8. [PMID: 16023109 DOI: 10.1016/j.febslet.2005.06.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2005] [Revised: 06/02/2005] [Accepted: 06/15/2005] [Indexed: 11/26/2022]
Abstract
Low concentrations of HgCl2 elicited, in Saccharomyces cerevisiae, a transitory increase in the ATP level followed by a decrease of its concentration, until almost disappearance. At 1 microM HgCl2, the increase in ATP lasted for about 30 min, while at 10 microM the increase was only observed in the first 5 min of treatment. The initial burst of ATP was accompanied by a decrease in the level of hexose phosphates, whereas during the decrease of ATP an increase in the inosine and hexose phosphates levels took place. The treatment with HgCl2 inhibited the plasma membrane proton ATPase but not the activities of hexokinase or 6-phosphofructokinase.
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Affiliation(s)
- Eduardo Silles
- Departamento de Bioquímica, Instituto de Investigaciones Biomédicas Alberto Sols UAM/CSIC, Facultad de Medicina, 28029 Madrid, Spain
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Abstract
Tamoxifen is an antiestrogen used in the adjuvant endocrine therapy of early breast cancer and malignant breast disorders. It is also used in women with anovulatory infertility caused by its stimulating effect on the secretion of the pituitary gonadotrophic hormones. In males it could increase the endogenous production of androgens. Because of these properties tamoxifen may be misused in some sports to treat the androgens suppression caused by the extensive abuse of anabolic androgenic steroids. A method for identification and confirmation of tamoxifen metabolites is described. Hydroxymetoxytamoxifen is detected in urine by gas chromatography and mass spectrometry in a selective ion monitoring method followed by the routine postrun in the screening of anabolic steroids. Once the hydroxymetoxytamoxifen is detected, confirmation of reported metabolites could be performed with a 5973 mass selective detector in the scan mode after solid-phase extraction by cationic exchange. This study also reports an excretion profile for a single dose of tamoxifen equivalent to 40 mg administrated orally to two males volunteers.
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Affiliation(s)
- H Báez
- Laboratorio de Análisis Antidoping, Facultad Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
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Sillero MAG, de Diego A, Silles E, Osorio H, Sillero A. Polyphosphates strongly inhibit the tRNA dependent synthesis of poly(A) catalyzed by poly(A) polymerase from Saccharomyces cerevisiae. FEBS Lett 2003; 550:41-5. [PMID: 12935883 DOI: 10.1016/s0014-5793(03)00815-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Polyphosphates of different chain lengths (P(3), P(4), P(15), P(35)), (1 microM) inhibited 10, 60, 90 and 100%, respectively, the primer (tRNA) dependent synthesis of poly(A) catalyzed poly(A) polymerase from Saccharomyces cerevisiae. The relative inhibition evoked by p(4)A and P(4) (1 microM) was 40 and 60%, respectively, whereas 1 microM Ap(4)A was not inhibitory. P(4) and P(15) were assayed as inhibitors of the enzyme in the presence of (a) saturating tRNA and variable concentrations of ATP and (b) saturating ATP and variable concentrations of tRNA. In (a), P(4) and P(15) behaved as competitive inhibitors, with K(i) values of 0.5 microM and 0.2 microM, respectively. In addition, P(4) (at 1 microM) and P(15) (at 0.3 microM) changed the Hill coefficient (n(H)) from 1 (control) to about 1.3 and 1.6, respectively. In (b), the inhibition by P(4) and P(15) decreased V and modified only slightly the K(m) values of the enzyme towards tRNA.
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Affiliation(s)
- María A Günther Sillero
- Departamento de Bioquímica, Instituto de Investigaciones Biomédicas Alberto Sols UAM/CSIC, Facultad de Medicina, 28029 Madrid, Spain
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Osorio H, Carvalho E, del Valle M, Günther Sillero MA, Moradas-Ferreira P, Sillero A. H2O2, but not menadione, provokes a decrease in the ATP and an increase in the inosine levels in Saccharomyces cerevisiae. An experimental and theoretical approach. Eur J Biochem 2003; 270:1578-89. [PMID: 12654013 DOI: 10.1046/j.1432-1033.2003.03529.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
When Saccharomyces cerevisiae cells, grown in galactose, glucose or mannose, were treated with 1.5 mm hydrogen peroxide (H2O2) for 30 min, an important decrease in the ATP, and a less extensive decrease in the GTP, CTP, UTP and ADP-ribose levels was estimated. Concomitantly a net increase in the inosine levels was observed. Treatment with 83 mm menadione promoted the appearance of a compound similar to adenosine but no appreciable changes in the nucleotide content of yeast cells, grown either in glucose or galactose. Changes in the specific activities of the enzymes involved in the pathway from ATP to inosine, in yeast extracts from (un)treated cells, could not explain the effect of H2O2 on the levels of ATP and inosine. Application of a mathematical model of differential equations previously developed in this laboratory pointed to a potential inhibition of glycolysis as the main reason for that effect. This theoretical consideration was reinforced both by the lack of an appreciable effect of 1.5 mm (or even higher concentrations) H2O2 on yeast grown in the presence of ethanol or glycerol, and by the observed inhibition of the synthesis of ethanol promoted by H2O2. Normal values for the adenylic charge, ATP and inosine levels were reached at 5, 30 and 120 min, respectively, after removal of H2O2 from the culture medium. The strong decrease in the ATP level upon H2O2 treatment is an important factor to be considered for understanding the response of yeast, and probably other cell types, to oxidative stress.
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Affiliation(s)
- Hugo Osorio
- Departamento de Bioquímica, Instituto de Investigaciones Biomédicas Alberto Sols UAM/CSIC, Facultad de Medicina, Madrid, Spain
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Sillero MAG, De Diego A, Osorio H, Sillero A. Dinucleoside polyphosphates stimulate the primer independent synthesis of poly(A) catalyzed by yeast poly(A) polymerase. Eur J Biochem 2002; 269:5323-9. [PMID: 12392566 DOI: 10.1046/j.1432-1033.2002.03253.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Novel properties of the primer independent synthesis of poly(A), catalyzed by the yeast poly(A) polymerase are presented. The commercial enzyme from yeast, in contrast to the enzyme from Escherichia coli, is unable to adenylate the 3'-OH end of nucleosides, nucleotides or dinucleoside polyphosphates (NpnN). In the presence of 0.05 mm ATP, dinucleotides (at 0.01 mm) activated the enzyme velocity in the following decreasing order: Gp4G, 100; Gp3G, 82; Ap6A, 61; Gp2G, 52; Ap4A, 51; Ap2A, 41; Gp5G, 36; Ap5A, 27; Ap3A, 20, where 100 represents a 10-fold activation in relation to a control without effector. The velocity of the enzyme towards its substrate ATP displayed sigmoidal kinetics with a Hill coefficient (nH) of 1.6 and a Km(S0.5) value of 0.308 +/- 0.120 mm. Dinucleoside polyphosphates did not affect the maximum velocity (Vmax) of the reaction, but did alter its nH and Km(S0.5) values. In the presence of 0.01 mm Gp4G or Ap4A the nH and Km(S0.5) values were (1.0 and 0.063 +/- 0.012 mm) and (0.8 and 0.170 +/- 0.025 mm), respectively. With these kinetic properties, a dinucleoside polyphosphate concentration as low as 1 micro m may have a noticeable activating effect on the synthesis of poly(A) by the enzyme. These findings together with previous publications from this laboratory point to a potential relationship between dinucleoside polyphosphates and enzymes catalyzing the synthesis and/or modification of DNA or RNA.
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Affiliation(s)
- María A Günther Sillero
- Departamento de Bioquímica, Instituto de Investigaciones Biomédicas Alberto Sols UAM/CSIC, Facultad de Medicina, Madrid, Spain
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Abstract
Hydraulic conductivity (Lp) of cava vein endothelium was obtained with a new method that measures fluid flow at constant volume. Dogs were anesthetized with pentobarbital sodium. A vessel segment was removed, cannulated, and hung free from a force transducer calibrated to measure weight. Hydraulic pressure difference drove fluid across the vessel wall. This fluid was washed out from the vessel surface by external perfusion, causing a weight loss that was transmitted to a Grass polygraph through the force transducer. Shifting the polygraph balance caused a voltage output which was used to activate a controller operating a microsyringe pump. By injecting fluid into the vessel lumen, this servomechanism counteracted weight changes and kept volume and pressure at a fixed level. Recording the volume injected allowed continuous monitoring of fluid flow. This avoided the problems caused by frequent pressure and volume resetting in previous methods. Fluid flow was a linear function of the applied pressure (r = 0.87). Lp was 0.91 +/- 0.05 (SD) X 10-7 cm X s-1 X cmH2O-1. This value was very similar to those in continuous capillaries and arterial endothelium.
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Osorio H, Betanzo L, Mallea F, Germany M. [Treatment of patients with maxillo-facial fractures. Analysis of 50 cases]. Trib Odontol (B Aires) 1977; 61:169-78. [PMID: 279144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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