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Gissi DB, Rossi R, Lenzi J, Tarsitano A, Gabusi A, Balbi T, Montebugnoli L, Marchetti C, Foschini MP, Morandi L. Thirteen-gene DNA methylation analysis of oral brushing samples: A potential surveillance tool for periodic monitoring of treated patients with oral cancer. Head Neck 2024; 46:728-739. [PMID: 38169119 DOI: 10.1002/hed.27621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 12/11/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND We evaluated the prognostic role of 13-gene DNA methylation analysis by oral brushing repeatedly performed during the follow-up of patients surgically treated for oral cancer. METHODS This is a nested case-control study including 61 patients for a total of 64 outcomes (2/61 patients experienced multiple relapses). Samples were collected at baseline (4-10 months after OSCC resection) and repeatedly every 4-10 months until relapse or death. DNA methylation scores were classified as persistently positive, persistently negative, or mixed. RESULTS Twenty cases who had persistently positive scores and 30 cases with mixed scores had, respectively, an almost 42-fold (p < 0.001) and 32-fold (p = 0.006) higher likelihood of relapse, compared to 14 patients with persistently negative scores. The last score before reoccurrence was positive in 18/19 secondary events. CONCLUSIONS The 13-gene DNA methylation analysis may be considered for the surveillance of patients treated for oral carcinoma.
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Affiliation(s)
- Davide B Gissi
- Department of Biomedical and Neuromotor Sciences, Section of Oral Sciences, University of Bologna, Bologna, Italy
| | - Roberto Rossi
- Department of Biomedical and Neuromotor Sciences, Section of Oral Sciences, University of Bologna, Bologna, Italy
| | - Jacopo Lenzi
- Section of Hygiene, Department of Biomedical and Neuromotor Sciences, Public Health and Medical Statistics, University of Bologna, Bologna, Italy
| | - Achille Tarsitano
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Maxillofacial Surgery Unit, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, Section of Maxillo-Facial Surgery at Policlinico S. Orsola-Malpighi, University of Bologna, Bologna, Italy
| | - Andrea Gabusi
- Department of Biomedical and Neuromotor Sciences, Section of Oral Sciences, University of Bologna, Bologna, Italy
| | - Tiziana Balbi
- IRCCS azienda ospedaliero universitaria di Bologna, Unit of Anatomic Pathology S. Orsola Hospital, Bologna, Italy
| | - Lucio Montebugnoli
- Department of Biomedical and Neuromotor Sciences, Section of Oral Sciences, University of Bologna, Bologna, Italy
| | - Claudio Marchetti
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Maxillofacial Surgery Unit, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, Section of Maxillo-Facial Surgery at Policlinico S. Orsola-Malpighi, University of Bologna, Bologna, Italy
| | - Maria Pia Foschini
- Department of Biomedical and Neuromotor Sciences, Section of Anatomic Pathology at Bellaria Hospital, University of Bologna, Bologna, Italy
| | - Luca Morandi
- Functional and Molecular Neuroimaging Unit, Bellaria Hospital, Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
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Schiavo G, Bertolini F, Bovo S, Galimberti G, Muñoz M, Bozzi R, Čandek-Potokar M, Óvilo C, Fontanesi L. Identification of population-informative markers from high-density genotyping data through combined feature selection and machine learning algorithms: Application to European autochthonous and cosmopolitan pig breeds. Anim Genet 2024; 55:193-205. [PMID: 38191264 DOI: 10.1111/age.13396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 11/09/2023] [Accepted: 12/27/2023] [Indexed: 01/10/2024]
Abstract
Large genotyping datasets, obtained from high-density single nucleotide polymorphism (SNP) arrays, developed for different livestock species, can be used to describe and differentiate breeds or populations. To identify the most discriminating genetic markers among thousands of genotyped SNPs, a few statistical approaches have been proposed. In this study, we applied the Boruta algorithm, a wrapper of the machine learning random forest algorithm, on a database of 23 European pig breeds (20 autochthonous and three cosmopolitan breeds) genotyped with a 70k SNP chip, to pre-select informative SNPs. To identify different sets of SNPs, these pre-selected markers were then ranked with random forest based on their mean decrease accuracy and mean decrease gene indexes. We evaluated the efficiency of these subsets for breed classification and the usefulness of this approach to detect candidate genes affecting breed-specific phenotypes and relevant production traits that might differ among breeds. The lowest overall classification error (2.3%) was reached with a subpanel including only 398 SNPs (ranked based on their mean decrease accuracy), with no classification error in seven breeds using up to 49 SNPs. Several SNPs of these selected subpanels were in genomic regions in which previous studies had identified signatures of selection or genes associated with morphological or production traits that distinguish the analysed breeds. Therefore, even if these approaches have not been originally designed to identify signatures of selection, the obtained results showed that they could potentially be useful for this purpose.
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Affiliation(s)
- Giuseppina Schiavo
- Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Francesca Bertolini
- Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Samuele Bovo
- Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Giuliano Galimberti
- Department of Statistical Sciences 'Paolo Fortunati', University of Bologna, Bologna, Italy
| | - María Muñoz
- Departamento Mejora Genética Animal, INIA-CSIC, Madrid, Spain
| | - Riccardo Bozzi
- Animal Science Division, Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali, Università di Firenze, Firenze, Italy
| | | | - Cristina Óvilo
- Departamento Mejora Genética Animal, INIA-CSIC, Madrid, Spain
| | - Luca Fontanesi
- Animal and Food Genomics Group, Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
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Mantovani S, Pintus A, Kovtun A, Gondolini A, Casadio S, Sanson A, Marforio TD, Calvaresi M, Rancan M, Armelao L, Bertuzzi G, Melucci M, Bandini M. Graphene Oxide-Arginine Composites: Efficient Dual Function Materials for Integrated CO 2 Capture and Conversion. ChemSusChem 2024; 17:e202301673. [PMID: 38227427 DOI: 10.1002/cssc.202301673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/24/2023] [Accepted: 01/16/2024] [Indexed: 01/17/2024]
Abstract
The "on-demand" capture and utilization of CO2 is effectively realized with a readily accessible dual function organic composite. The covalent and controlled derivatization of graphene oxide (GO) surface with naturally occurring arginine led to a "smart" material capable of capturing (chemisorption) CO2 from high-purity flue-gas as well as low-concentration streams (i. e. direct air capture) and concomitant chemical activation toward the incorporation into cyclic carbonates. The overall integrated CO2 capture and conversion (ICCC) strategy has been fully elucidated mechanistically via dedicated computational, spectroscopic and thermal analyses.
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Affiliation(s)
- Sebastiano Mantovani
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, via P. Gobetti 85, 40129, Bologna, Italy
- The Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council (CNR), via P. Gobetti 101, 40129, Bologna, Italy
| | - Angela Pintus
- The Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council (CNR), via P. Gobetti 101, 40129, Bologna, Italy
| | - Alessandro Kovtun
- The Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council (CNR), via P. Gobetti 101, 40129, Bologna, Italy
| | - Angela Gondolini
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC, former ISTEC), National Research Council (CNR), via Granarolo, 64, 48018, Faenza, RA, Italy
| | - Simone Casadio
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC, former ISTEC), National Research Council (CNR), via Granarolo, 64, 48018, Faenza, RA, Italy
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
| | - Alessandra Sanson
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC, former ISTEC), National Research Council (CNR), via Granarolo, 64, 48018, Faenza, RA, Italy
| | - Tainah D Marforio
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, via P. Gobetti 85, 40129, Bologna, Italy
- Center for Chemical Catalysis - C3, Alma Mater Studiorum - Università di Bologna, via R. Gobetti 85, 40129, Bologna, Italy
| | - Matteo Calvaresi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, via P. Gobetti 85, 40129, Bologna, Italy
- Center for Chemical Catalysis - C3, Alma Mater Studiorum - Università di Bologna, via R. Gobetti 85, 40129, Bologna, Italy
| | - Marzio Rancan
- Institute of Condensed Matter Chemistry and Technologies for Energy (ICMATE), National Research Council (CNR), c/o Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
| | - Lidia Armelao
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131, Padova, Italy
- Department of Chemical Sciences and Materials Technologies (DSCTM), National Research Council (CNR), Piazzale Moro 7, 00185, Roma, Italy
| | - Giulio Bertuzzi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, via P. Gobetti 85, 40129, Bologna, Italy
- Center for Chemical Catalysis - C3, Alma Mater Studiorum - Università di Bologna, via R. Gobetti 85, 40129, Bologna, Italy
| | - Manuela Melucci
- The Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council (CNR), via P. Gobetti 101, 40129, Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, via P. Gobetti 85, 40129, Bologna, Italy
- Center for Chemical Catalysis - C3, Alma Mater Studiorum - Università di Bologna, via R. Gobetti 85, 40129, Bologna, Italy
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Vianello C, Monti E, Leoni I, Galvani G, Giovannini C, Piscaglia F, Stefanelli C, Gramantieri L, Fornari F. Noncoding RNAs in Hepatocellular Carcinoma: Potential Applications in Combined Therapeutic Strategies and Promising Candidates of Treatment Response. Cancers (Basel) 2024; 16:766. [PMID: 38398157 PMCID: PMC10886468 DOI: 10.3390/cancers16040766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/03/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
The incidence of hepatocellular carcinoma (HCC) is increasing, and 40% of patients are diagnosed at advanced stages. Over the past 5 years, the number of clinically available treatments has dramatically increased for HCC, making patient management particularly complex. Immune checkpoint inhibitors (ICIs) have improved the overall survival of patients, showing a durable treatment benefit over time and a different response pattern with respect to tyrosine kinase inhibitors (TKIs). Although there is improved survival in responder cases, a sizeable group of patients are primary progressors or are ineligible for immunotherapy. Indeed, patients with nonviral etiologies, such as nonalcoholic steatohepatitis (NASH), and alterations in specific driver genes might be less responsive to immunotherapy. Therefore, improving the comprehension of mechanisms of drug resistance and identifying biomarkers that are informative of the best treatment approach are required actions to improve patient survival. Abundant evidence indicates that noncoding RNAs (ncRNAs) are pivotal players in cancer. Molecular mechanisms through which ncRNAs exert their effects in cancer progression and drug resistance have been widely investigated. Nevertheless, there are no studies summarizing the synergistic effect between ncRNA-based strategies and TKIs or ICIs in the preclinical setting. This review aims to provide up-to-date information regarding the possible use of ncRNAs as therapeutic targets in association with molecular-targeted agents and immunotherapies and as predictive tools for the selection of optimized treatment options in advanced HCCs.
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Affiliation(s)
- Clara Vianello
- Centre for Applied Biomedical Research—CRBA, University of Bologna, 40138 Bologna, Italy; (C.V.); (E.M.); (I.L.); (G.G.)
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
| | - Elisa Monti
- Centre for Applied Biomedical Research—CRBA, University of Bologna, 40138 Bologna, Italy; (C.V.); (E.M.); (I.L.); (G.G.)
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
| | - Ilaria Leoni
- Centre for Applied Biomedical Research—CRBA, University of Bologna, 40138 Bologna, Italy; (C.V.); (E.M.); (I.L.); (G.G.)
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
| | - Giuseppe Galvani
- Centre for Applied Biomedical Research—CRBA, University of Bologna, 40138 Bologna, Italy; (C.V.); (E.M.); (I.L.); (G.G.)
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
| | - Catia Giovannini
- Department of Medical and Surgical Sciences, University of Bologna, 40128 Bologna, Italy; (C.G.); (F.P.)
- Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Fabio Piscaglia
- Department of Medical and Surgical Sciences, University of Bologna, 40128 Bologna, Italy; (C.G.); (F.P.)
- Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Claudio Stefanelli
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
| | - Laura Gramantieri
- Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Francesca Fornari
- Centre for Applied Biomedical Research—CRBA, University of Bologna, 40138 Bologna, Italy; (C.V.); (E.M.); (I.L.); (G.G.)
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy;
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5
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Gahlot S, Schmitt JL, Chevalier A, Villa M, Roy M, Ceroni P, Lehn JM, Gingras M. "The Sulfur Dance" Around Arenes and Heteroarenes - the Reversible Nature of Nucleophilic Aromatic Substitutions. Chemistry 2024:e202400231. [PMID: 38289151 DOI: 10.1002/chem.202400231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Indexed: 02/20/2024]
Abstract
We disclose the features of a category of reversible nucleophilic aromatic substitutions in view of their significance and generality in dynamic aromatic chemistry. Exchange of sulfur components surrounding arenes and heteroarenes may occur at 25 °C, in a process that one may call a "sulfur dance". These SN Ar systems present their own features, apart from common reversible reactions utilized in dynamic covalent chemistry (DCC). By varying conditions, covalent dynamics may operate to provide libraries of thiaarenes with some selectivity, or conversion of a hexa(thio)benzene asterisk into another one. The reversible nature of SN Ar is confirmed by three methods: a convergence of the products distribution in reversible SN Ar systems, a related product redistribution between two per(thio)benzenes by using a thiolate promoter, and from kinetic/thermodynamic data. A four-component dynamic covalent system further illustrates the thermodynamically-driven formation of a thiacalix[2]arene[2]pyrimidine by sulfur component exchanges. This work stimulates the implementation of reversible SN Ar in aromatic chemistry and in DCC.
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Affiliation(s)
- Sapna Gahlot
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
| | - Jean-Louis Schmitt
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Aline Chevalier
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Marco Villa
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
- Department of Chemistry ("Giacomo Ciamician"), University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Myriam Roy
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
- Institut Parisien de Chimie Moléculaire, Sorbonne Université, 75005, Paris, France
| | - Paola Ceroni
- Department of Chemistry ("Giacomo Ciamician"), University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Jean-Marie Lehn
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Marc Gingras
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
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Di Foggia M, Taddei P, Boga C, Nocentini B, Micheletti G. Interactions between Damaged Hair Keratin and Juglone as a Possible Restoring Agent: A Vibrational and Scanning Electron Microscopy Study. Molecules 2024; 29:320. [PMID: 38257235 PMCID: PMC10819223 DOI: 10.3390/molecules29020320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/29/2023] [Accepted: 01/06/2024] [Indexed: 01/24/2024] Open
Abstract
Juglone, a quinonic compound present in walnut extracts, was proposed as a restoring agent for hair keratin treated with permanent or discoloration processes. The proposed mechanism of restoration by juglone involves the formation of a Michael adduct between the quinone and the thiol moieties of cysteine residues. To this purpose, the first part of the present paper involved the spectroscopic study of the product of the reaction between juglone and N-acetyl-L-cysteine as a model compound. IR spectroscopy and Scanning Electron Microscopy (SEM) monitored the chemical and morphological variations induced by applying juglone to hair keratin. In order to simulate the most common hair treatments (i.e., permanent and discoloration), juglone was applied to hair that had been previously treated with a reducing agent, i.e., methyl thioglycolate (MT) or with bleaching agents (based on hydrogen peroxide and persulfates) followed by sodium hydrogen sulfite. IR spectroscopy allowed us to monitor the formation of Michael adducts between juglone and cysteine residues: the Michael adducts' content was related to the cysteine content of the samples. In fact, MT and sodium hydrogen sulfite favored the reduction of the disulfide bonds and increased the content of free cysteine residues, which can react with juglone. SEM analyses confirmed the trend observed by IR spectroscopy since hair samples treated with juglone adopted a more regular hair surface and more imbricated scales, thus supporting the possible use of juglone as a restoring agent for damaged hair keratins.
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Affiliation(s)
- Michele Di Foggia
- Department of Biomedical and Neuromotor Sciences, Alma Mater Studiorum-Università di Bologna, Via Irnerio 48, 40126 Bologna, Italy;
| | - Paola Taddei
- Department of Biomedical and Neuromotor Sciences, Alma Mater Studiorum-Università di Bologna, Via Irnerio 48, 40126 Bologna, Italy;
| | - Carla Boga
- Department of Industrial Chemistry ‘Toso Montanari’, Alma Mater Studiorum-Università di Bologna, Via Piero Gobetti 85, 40129 Bologna, Italy; (C.B.); (G.M.)
| | | | - Gabriele Micheletti
- Department of Industrial Chemistry ‘Toso Montanari’, Alma Mater Studiorum-Università di Bologna, Via Piero Gobetti 85, 40129 Bologna, Italy; (C.B.); (G.M.)
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Menotti L, Vannini A. Oncolytic Viruses in the Era of Omics, Computational Technologies, and Modeling: Thesis, Antithesis, and Synthesis. Int J Mol Sci 2023; 24:17378. [PMID: 38139207 PMCID: PMC10743452 DOI: 10.3390/ijms242417378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/05/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Oncolytic viruses (OVs) are the frontier therapy for refractory cancers, especially in integration with immunomodulation strategies. In cancer immunovirotherapy, the many available "omics" and systems biology technologies generate at a fast pace a challenging huge amount of data, where apparently clashing information mirrors the complexity of individual clinical situations and OV used. In this review, we present and discuss how currently big data analysis, on one hand and, on the other, simulation, modeling, and computational technologies, provide invaluable support to interpret and integrate "omic" information and drive novel synthetic biology and personalized OV engineering approaches for effective immunovirotherapy. Altogether, these tools, possibly aided in the future by artificial intelligence as well, will allow for the blending of the information into OV recombinants able to achieve tumor clearance in a patient-tailored way. Various endeavors to the envisioned "synthesis" of turning OVs into personalized theranostic agents are presented.
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Affiliation(s)
- Laura Menotti
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy;
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Varrone E, Carnicelli D, He X, Grasse M, Stampfer K, Huber S, Kellnerová S, Tazzari PL, Ricci F, Paterini P, Ardissino G, Morabito S, Orth-Höller D, Würzner R, Brigotti M. Detection of Cleaved Stx2a in the Blood of STEC-Infected Patients. Toxins (Basel) 2023; 15:690. [PMID: 38133194 PMCID: PMC10747961 DOI: 10.3390/toxins15120690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/24/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023] Open
Abstract
Typical hemolytic uremic syndrome (HUS) is mainly caused by Shiga toxin-producing Escherichia coli (STEC) releasing Shiga toxin 2 (Stx2). Two different structures of this AB5 toxin have been described: uncleaved, with intact B and A chains, and cleaved, with intact B and a nicked A chain consisting of two fragments, A1 and A2, connected by a disulfide bond. Despite having the same toxic effect on sensitive cells, the two forms differ in their binding properties for circulating cells, serum components and complement factors, thus contributing to the pathogenesis of HUS differently. The outcome of STEC infections and the development of HUS could be influenced by the relative amounts of uncleaved or cleaved Stx2 circulating in patients' blood. Cleaved Stx2 was identified and quantified for the first time in four out of eight STEC-infected patients' sera by a method based on the inhibition of cell-free translation. Cleaved Stx2 was present in the sera of patients with toxins bound to neutrophils and in two out of three patients developing HUS, suggesting its involvement in HUS pathogenesis, although in association with other bacterial or host factors.
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Affiliation(s)
- Elisa Varrone
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy; (E.V.); (D.C.); (P.P.)
| | - Domenica Carnicelli
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy; (E.V.); (D.C.); (P.P.)
| | - Xiaohua He
- Western Regional Research Center, U.S. Department of Agriculture, Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710, USA;
| | - Marco Grasse
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.G.); (K.S.); (S.H.); (S.K.); (R.W.)
| | - Karin Stampfer
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.G.); (K.S.); (S.H.); (S.K.); (R.W.)
| | - Silke Huber
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.G.); (K.S.); (S.H.); (S.K.); (R.W.)
| | - Sára Kellnerová
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.G.); (K.S.); (S.H.); (S.K.); (R.W.)
| | - Pier Luigi Tazzari
- Immunohematology and Transfusion Center, S. Orsola-Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (P.L.T.); (F.R.)
| | - Francesca Ricci
- Immunohematology and Transfusion Center, S. Orsola-Malpighi Hospital, Via Massarenti 9, 40138 Bologna, Italy; (P.L.T.); (F.R.)
| | - Paola Paterini
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy; (E.V.); (D.C.); (P.P.)
- Center for Applied Biomedical Research-CRBA, University of Bologna, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Gianluigi Ardissino
- Center for HUS Control, Prevention and Management, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122 Milano, Italy;
| | - Stefano Morabito
- European Reference Laboratory for Escherichia coli, Istituto Superiore di Sanità, 00161 Rome, Italy;
| | | | - Reinhard Würzner
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.G.); (K.S.); (S.H.); (S.K.); (R.W.)
| | - Maurizio Brigotti
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy; (E.V.); (D.C.); (P.P.)
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Barbalace MC, Freschi M, Rinaldi I, Mazzara E, Maraldi T, Malaguti M, Prata C, Maggi F, Petrelli R, Hrelia S, Angeloni C. Identification of Anti-Neuroinflammatory Bioactive Compounds in Essential Oils and Aqueous Distillation Residues Obtained from Commercial Varieties of Cannabis sativa L. Int J Mol Sci 2023; 24:16601. [PMID: 38068924 PMCID: PMC10706820 DOI: 10.3390/ijms242316601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Neuroinflammation, which is mainly triggered by microglia, is a key contributor to multiple neurodegenerative diseases. Natural products, and in particular Cannabis sativa L., due to its richness in phytochemical components, represent ideal candidates to counteract neuroinflammation. We previously characterized different C. sativa commercial varieties which showed significantly different chemical profiles. On these bases, the aim of this study was to evaluate essential oils and aqueous distillation residues from the inflorescences of three different hemp varieties for their anti-neuroinflammatory activity in BV-2 microglial cells. Cells were pretreated with aqueous residues or essential oils and then activated with LPS. Unlike essential oils, aqueous residues showed negligible effects in terms of anti-inflammatory activity. Among the essential oils, the one obtained from 'Gorilla Glue' was the most effective in inhibiting pro-inflammatory mediators and in upregulating anti-inflammatory ones through the modulation of the p38 MAPK/NF-κB pathway. Moreover, the sesquiterpenes (E)-caryophyllene, α-humulene, and caryophyllene oxide were identified as the main contributors to the essential oils' anti-inflammatory activity. To our knowledge, the anti-neuroinflammatory activity of α-humulene has not been previously described. In conclusion, our work shows that C. sativa essential oils characterized by high levels of sesquiterpenes can be promising candidates in the prevention/counteraction of neuroinflammation.
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Affiliation(s)
- Maria Cristina Barbalace
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
| | - Michela Freschi
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
| | - Irene Rinaldi
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
| | - Eugenia Mazzara
- Chemistry Interdisciplinary Project (ChIP) Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (E.M.); (F.M.); (R.P.)
| | - Tullia Maraldi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via del Pozzo 71, 41125 Modena, Italy;
| | - Marco Malaguti
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Irnerio, 48, 40126 Bologna, Italy;
| | - Filippo Maggi
- Chemistry Interdisciplinary Project (ChIP) Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (E.M.); (F.M.); (R.P.)
| | - Riccardo Petrelli
- Chemistry Interdisciplinary Project (ChIP) Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (E.M.); (F.M.); (R.P.)
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
| | - Cristina Angeloni
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy; (M.C.B.); (M.F.); (I.R.)
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10
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Sita G, Graziosi A, Corrieri C, Ghelli L, Angelini S, Cortelli P, Hrelia P, Morroni F. The Unfolded Protein Response in a Murine Model of Alzheimer's Disease: Looking for Predictors. Int J Mol Sci 2023; 24:16200. [PMID: 38003389 PMCID: PMC10671834 DOI: 10.3390/ijms242216200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Alzheimer's disease (AD) represents the most frequent type of dementia worldwide, and aging is the most important risk factor for the sporadic form of the pathology. The endoplasmic reticulum (ER), the main cellular actor involved in proteostasis, appears significantly compromised in AD due to the accumulation of the β-amyloid (Aβ) protein and the phosphorylated Tau protein. Increasing protein misfolding activates a specific cellular response known as Unfolded Protein Response (UPR), which orchestrates the recovery of ER function. The aim of the present study was to investigate the role of UPR in a murine model of AD induced by intracerebroventricular (i.c.v.) injection of Aβ1-42 oligomers at 3 or 18 months. The oligomer injection in aged animals induced memory impairment, oxidative stress, and the depletion of glutathione reserve. Furthermore, the RNA sequencing and the bioinformatic analysis performed showed the enrichment of several pathways involved in neurodegeneration and protein regulations. The analysis highlighted the significant dysregulation of the protein kinase RNA-like ER kinase (PERK), inositol-requiring protein 1α (IRE1α) and activating transcription factor 6 (ATF-6). In turn, ER stress affected the PI3K/Akt/Gsk3β and MAPK/ERK pathways, highlighting Mapkapk5 as a potential marker, whose regulation could lead to the definition of new pharmacological and neuroprotective strategies to counteract AD.
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Affiliation(s)
- Giulia Sita
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Agnese Graziosi
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Camilla Corrieri
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Luca Ghelli
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Sabrina Angelini
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Pietro Cortelli
- Department of Biomedical and NeuroMotor Sciences—DiBiNeM, Alma Mater Studiorum University of Bologna, Via Altura 3, 40139 Bologna, Italy;
| | - Patrizia Hrelia
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
| | - Fabiana Morroni
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum University of Bologna, Via Irnerio 48, 40126 Bologna, Italy; (G.S.); (A.G.); (C.C.); (L.G.); (S.A.); (F.M.)
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11
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Ballan M, Bovo S, Bertolini F, Schiavo G, Schiavitto M, Negrini R, Fontanesi L. Population genomic structures and signatures of selection define the genetic uniqueness of several fancy and meat rabbit breeds. J Anim Breed Genet 2023; 140:663-678. [PMID: 37435689 DOI: 10.1111/jbg.12818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 06/25/2023] [Accepted: 07/02/2023] [Indexed: 07/13/2023]
Abstract
Following the recent domestication process of the European rabbit (Oryctolagus cuniculus), many different breeds and lines, distinguished primarily by exterior traits such as coat colour, fur structure and body size and shape, have been constituted. In this study, we genotyped, with a high-density single-nucleotide polymorphism panel, a total of 645 rabbits from 10 fancy breeds (Belgian Hare, Champagne d'Argent, Checkered Giant, Coloured Dwarf, Dwarf Lop, Ermine, Giant Grey, Giant White, Rex and Rhinelander) and three meat breeds (Italian White, Italian Spotted and Italian Silver). ADMIXTURE analysis indicated that breeds with similar phenotypic traits (e.g. coat colour and body size) shared common ancestries. Signatures of selection using two haplotype-based approaches (iHS and XP-EHH), combined with the results obtained with other methods previously reported that we applied to the same breeds, we identified a total of 5079 independent genomic regions with some signatures of selection, covering about 1777 Mb of the rabbit genome. These regions consistently encompassed many genes involved in pigmentation processes (ASIP, EDNRA, EDNRB, KIT, KITLG, MITF, OCA2, TYR and TYRP1), coat structure (LIPH) and body size, including two major genes (LCORL and HMGA2) among many others. This study revealed novel genomic regions under signatures of selection and further demonstrated that population structures and signatures of selection, left into the genome of these rabbit breeds, may contribute to understanding the genetic events that led to their constitution and the complex genetic mechanisms determining the broad phenotypic variability present in these untapped rabbit genetic resources.
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Affiliation(s)
- Mohamad Ballan
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Samuele Bovo
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Francesca Bertolini
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Giuseppina Schiavo
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Michele Schiavitto
- Associazione Nazionale Coniglicoltori Italiani (ANCI), Volturara Appula, Italy
| | | | - Luca Fontanesi
- Division of Animal Sciences, Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
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12
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Maisuradze M, Li M, Mullaliu A, Sorrentino A, Tonti D, Passerini S, Giorgetti M. Mapping Heterogeneity of Pristine and Aged Li- and Na-Mnhcf Cathode by Synchrotron-Based Energy-Dependent Full Field Transmission X-ray Microscopy. Small Methods 2023; 7:e2300718. [PMID: 37608445 DOI: 10.1002/smtd.202300718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/28/2023] [Indexed: 08/24/2023]
Abstract
Manganese hexacyanoferrate is a promising cathode material for lithium and sodium ion batteries, however, it suffers of capacity fading during the cycling process. To access the structural and functional characteristics at the nanometer scale, fresh and cycled electrodes are extracted and investigated by transmission soft X-ray microscopy, which allows chemical characterization with spatial resolution from position-dependent x-ray spectra at the Mn L-, Fe L- and N K-edges. Furthermore, soft X-rays prove to show superior sensitivity toward Fe, compare to hard X-rays. Inhomogeneities within the samples are identified, increasing in the aged electrodes, more dramatically in the Li-ion system, which explains the poorer cycle life as Li-ion cathode material. Local spectra, revealing different oxidation states over the sample with strong correlation between the Fe L-edge, Mn L-edge, and N K-edge, imply a coupling between redox centers and an electron delocalization over the host framework.
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Affiliation(s)
- Mariam Maisuradze
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale del Risorgimento 4, Bologna, 40136, Italy
| | - Min Li
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale del Risorgimento 4, Bologna, 40136, Italy
| | - Angelo Mullaliu
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, 76021, Karlsruhe, Germany
| | - Andrea Sorrentino
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, Cerdanyola del Vallés, 08290, Spain
| | - Dino Tonti
- Institut de Ciència de Materials de Barcelona, Consejo Superior de Investigaciones Científicas (ICMAB-CSIC), Campus UAB Bellaterra, Cerdanyola del Vallès, 08193, Spain
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, 76021, Karlsruhe, Germany
- Department of Chemistry, Sapienza University of Rome, P.le A. Moro 5, Rome, 00185, Italy
| | - Marco Giorgetti
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale del Risorgimento 4, Bologna, 40136, Italy
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13
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Prati G, Mancini AD. Social and behavioral consequences of the COVID-19 pandemic: Validation of a Pandemic Disengagement Syndrome Scale (PDSS) in four national contexts. Psychol Assess 2023; 35:1041-1053. [PMID: 36757999 DOI: 10.1037/pas0001213] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
The aim of the present study was to develop and validate a self-report measure that investigates people's general disengagement after the acute phases of the pandemic. Across three studies, we examined the psychometric features of the Pandemic Disengagement Syndrome Scale (PDSS) in four national contexts. In Study 1, we developed the instrument and investigated the factorial structure, internal consistency, measurement invariance across gender and countries (the United States and Italy), and discriminant validity. A bifactor model with two specific factors (Social Avoidance and Alienation) provided a better fit than the competing models. In Study 2, we tested the stability of the PDSS as well as its predictive validity. In Study 3, we conducted a quasi-experimental comparison between Norway and Sweden, to investigate whether scores on the PDSS are related to a markedly distinct approach to the pandemic in terms of mandatory lockdown. Overall, results from the three studies demonstrated that the PDSS is a valid and reliable measure of a syndrome of disengagement from others following a pandemic. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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14
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Taddei P, Di Foggia M, Zamparini F, Prati C, Gandolfi MG. Guttapercha Improves In Vitro Bioactivity and Dentin Remineralization Ability of a Bioglass Containing Polydimethylsiloxane-Based Root Canal Sealer. Molecules 2023; 28:7088. [PMID: 37894568 PMCID: PMC10609493 DOI: 10.3390/molecules28207088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/05/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Guttapercha (GP, trans-1,4-polyisoprene) is the most used tooth root filling material, and it must be used with an appropriate cement (typically a polydimethylsiloxane (PDMS)-based sealer) to ensure an adequate canal obturation. This study aimed to assess the bioactivity and dentin remineralization ability of a bioglass containing PDMS commercial endodontic sealer, BG-PDMS (GuttaFlow Bioseal), and to evaluate the possible influence of a GP cone (Roeko GP point) on the mineralization process. To this end, BG-PDMS disks were aged alone or in the presence of a GP cone in Hank's Balanced Salt Solution (28 d, 37 °C). Dentin remineralization experiments were carried out under the same conditions. Micro-Raman and IR analyses demonstrated that BG-PDMS is bioactive, thanks to the formation of a silica-rich layer with nucleation sites for B-type carbonated apatite deposition. This phase was thicker when BG-PDMS was aged in the presence of GP. The two materials influenced each other because GP, which alone did not show any bioactivity, nucleated a calcium phosphate phase under these conditions. Analogously, dentin remineralization experiments showed that BG-PDMS is able to remineralize dentin, especially in the presence of GP. Under the experimental conditions, GP acted as a templating agent for calcium phosphate deposition.
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Affiliation(s)
- Paola Taddei
- Biochemistry Unit, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via Irnerio 48, 40126 Bologna, Italy;
| | - Michele Di Foggia
- Biochemistry Unit, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via Irnerio 48, 40126 Bologna, Italy;
| | - Fausto Zamparini
- Endodontic Clinical Section, Unit of Odontostomatological Sciences, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via San Vitale 59, 40136 Bologna, Italy; (F.Z.); (C.P.)
| | - Carlo Prati
- Endodontic Clinical Section, Unit of Odontostomatological Sciences, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via San Vitale 59, 40136 Bologna, Italy; (F.Z.); (C.P.)
| | - Maria Giovanna Gandolfi
- Laboratory of Biomaterials and Oral Pathology, Unit of Odontostomatological Sciences, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via San Vitale 59, 40136 Bologna, Italy;
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15
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Francati S, Martini A, Dindo ML. Host stage and temperature for the rearing of Aridelus rufotestaceus (Hymenoptera: Braconidae), with notes on acceptance and suitability of 2 stink bug species. J Insect Sci 2023; 23:11. [PMID: 37721500 PMCID: PMC10506448 DOI: 10.1093/jisesa/iead062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 07/09/2023] [Accepted: 07/20/2023] [Indexed: 09/19/2023]
Abstract
Nezara viridula (L.) (Hemiptera: Pentatomidae) is a harmful pest of many agricultural crops in different parts of the world. This stink bug is the preferred host species of Aridelus rufotestaceus Tobias (Hymenoptera: Braconidae), an endoparasitoid of nymphs and adults of pentatomids. With the aim to improve the rearing procedure of this beneficial insect, the acceptance and suitability of all mobile stages of N. viridula (from first instar nymph to adult) were evaluated. At 25 °C, all host stages were accepted and suitable for A. rufotestaceus development, but the highest parasitoid cocoon and adult yields were obtained from second instar nymphs. The possibility to reduce the development time of A. rufotestasceus by increasing the rearing temperature was also evaluated, but 28 °C proved to be detrimental for parasitoid development, as shown by the very low cocoon and adult numbers obtained. The acceptance and suitability of the invasive pentatomid species Halyomorpha halys (Stål) for A. rufotestaceus was also tested. Female wasps were observed piercing H. halys nymphs with the ovipositor, but no cocoons were obtained, nor were larvae or head capsules detected in the exposed stink bugs.
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Affiliation(s)
- Santolo Francati
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum Università di Bologna, Viale Fanin 42, 40127 Bologna, Italy
| | - Antonio Martini
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum Università di Bologna, Viale Fanin 42, 40127 Bologna, Italy
| | - Maria Luisa Dindo
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum Università di Bologna, Viale Fanin 42, 40127 Bologna, Italy
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Utzeri VJ, Cilli E, Fontani F, Zoboli D, Orsini M, Ribani A, Latorre A, Lissovsky AA, Pillola GL, Bovo S, Gruppioni G, Luiselli D, Fontanesi L. Ancient DNA re-opens the question of the phylogenetic position of the Sardinian pika Prolagus sardus (Wagner, 1829), an extinct lagomorph. Sci Rep 2023; 13:13635. [PMID: 37604894 PMCID: PMC10442435 DOI: 10.1038/s41598-023-40746-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 08/16/2023] [Indexed: 08/23/2023] Open
Abstract
Palaeogenomics is contributing to refine our understanding of many major evolutionary events at an unprecedented resolution, with relevant impacts in several fields, including phylogenetics of extinct species. Few extant and extinct animal species from Mediterranean regions have been characterised at the DNA level thus far. The Sardinian pika, Prolagus sardus (Wagner, 1829), was an iconic lagomorph species that populated Sardinia and Corsica and became extinct during the Holocene. There is a certain scientific debate on the phylogenetic assignment of the extinct genus Prolagus to the family Ochotonidae (one of the only two extant families of the order Lagomorpha) or to a separated family Prolagidae, or to the subfamily Prolaginae within the family Ochotonidae. In this study, we successfully reconstructed a portion of the mitogenome of a Sardinian pika dated to the Neolithic period and recovered from the Cabaddaris cave, an archaeological site in Sardinia. Our calibrated phylogeny may support the hypothesis that the genus Prolagus is an independent sister group to the family Ochotonidae that diverged from the Ochotona genus lineage about 30 million years ago. These results may contribute to refine the phylogenetic interpretation of the morphological peculiarities of the Prolagus genus already described by palaeontological studies.
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Affiliation(s)
- Valerio Joe Utzeri
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy.
| | - Elisabetta Cilli
- Department of Cultural Heritage, University of Bologna, Via degli Ariani 1, 48121, Ravenna, Italy.
| | - Francesco Fontani
- Department of Cultural Heritage, University of Bologna, Via degli Ariani 1, 48121, Ravenna, Italy
| | - Daniel Zoboli
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria SS 554, 09042, Monserrato, Italy
| | - Massimiliano Orsini
- Laboratory of Microbial Ecology, Istituto Zooprofilattico Sperimentale delle Venezie, Viale dell'università 10, 35120, Legnaro, Italy
| | - Anisa Ribani
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy
| | - Adriana Latorre
- Department of Cultural Heritage, University of Bologna, Via degli Ariani 1, 48121, Ravenna, Italy
| | - Andrey A Lissovsky
- A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow, Russia
| | - Gian Luigi Pillola
- Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria SS 554, 09042, Monserrato, Italy
| | - Samuele Bovo
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy
| | - Giorgio Gruppioni
- Department of Cultural Heritage, University of Bologna, Via degli Ariani 1, 48121, Ravenna, Italy
| | - Donata Luiselli
- Department of Cultural Heritage, University of Bologna, Via degli Ariani 1, 48121, Ravenna, Italy
| | - Luca Fontanesi
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127, Bologna, Italy.
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17
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Olivadese M, Dindo ML. Edible Insects: A Historical and Cultural Perspective on Entomophagy with a Focus on Western Societies. Insects 2023; 14:690. [PMID: 37623400 PMCID: PMC10455489 DOI: 10.3390/insects14080690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/26/2023]
Abstract
The relationship between insects and humans throughout history has always been complex and multifaceted. Insects are both a source of fascination and fear for humans and have played important roles in human culture, economy, and health. Nowadays, there is growing interest in using insects as a sustainable and environmentally friendly source of protein and other nutrients. Entomophagy can be seen as a new opportunity for the food industry and global food security. In fact, insects require far fewer resources than traditional livestock, and there are many references to insect consumption in human history. The ancient Romans are known to have eaten various insects, including beetles, caterpillars, and locusts. Insects such as crickets, grasshoppers, and ants have been eaten for centuries and are still considered a delicacy in many parts of the world, especially in Africa, Asia, Latin America, and Oceania. Entomophagy has, thus, been a part of human history for thousands of years and continues to be an important food habit for many people around the world. These topics are explored in this article from a historical and cultural perspective (e.g., ecological, nutritional, spiritual, and socio-psychological), with a focus on the progressive acceptance of edible insects in Western societies, since this novel food has also its roots in the Western world.
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Affiliation(s)
| | - Maria Luisa Dindo
- Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin, 42, 40127 Bologna, Italy;
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18
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Rossi V, Govoni M, Di Stefano G. Lactate Can Modulate the Antineoplastic Effects of Doxorubicin and Relieve the Drug's Oxidative Damage on Cardiomyocytes. Cancers (Basel) 2023; 15:3728. [PMID: 37509389 PMCID: PMC10378253 DOI: 10.3390/cancers15143728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Doxorubicin (DOXO) is currently administered as the first-choice therapy for a variety of malignancies. Cancer cells exhibit enhanced glycolysis and lactate production. This metabolite affects gene expression and can play a role in chemoresistance. AIM OF THIS STUDY We investigated whether the enhanced lactate levels that characterize neoplastic tissues can modify the response of cancer cells to DOXO. METHODS After exposing cancer cells to increased lactate levels, we examined whether this metabolite could interfere with the principal mechanisms responsible for the DOXO antineoplastic effect. RESULTS Increased lactate levels did not affect DOXO-induced topoisomerase poisoning but offered protection against the oxidative damage caused by the drug. This protection was related to changes in gene expression caused by the combined action of DOXO and lactate. Oxidative damage significantly contributed to the heavy cardiotoxicity following DOXO treatment. In cultured cardiomyocytes, we confirmed that DOXO-induced DNA damage and oxidative stress can be significantly mitigated by exposing the cells to increased lactate levels. CONCLUSIONS In addition to contributing to elucidating the effects of the combined action of DOXO and lactate, our results suggest a possible method to reduce the heavy drug cardiotoxicity, a major side effect leading to therapy discontinuation.
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Affiliation(s)
- Valentina Rossi
- Department of Medical and Surgical Sciences (DIMEC), Section of General Pathology, University of Bologna, 40126 Bologna, Italy
| | - Marzia Govoni
- Department of Medical and Surgical Sciences (DIMEC), Section of General Pathology, University of Bologna, 40126 Bologna, Italy
| | - Giuseppina Di Stefano
- Department of Medical and Surgical Sciences (DIMEC), Section of General Pathology, University of Bologna, 40126 Bologna, Italy
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Beccacece L, Costa F, Pascali JP, Giorgi FM. Cross-Species Transcriptomics Analysis Highlights Conserved Molecular Responses to Per- and Polyfluoroalkyl Substances. Toxics 2023; 11:567. [PMID: 37505532 PMCID: PMC10385990 DOI: 10.3390/toxics11070567] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023]
Abstract
In recent decades, per- and polyfluoroalkyl substances (PFASs) have garnered widespread public attention due to their persistence in the environment and detrimental effects on the health of living organisms, spurring the generation of several transcriptome-centered investigations to understand the biological basis of their mechanism. In this study, we collected 2144 publicly available samples from seven distinct animal species to examine the molecular responses to PFAS exposure and to determine if there are conserved responses. Our comparative transcriptional analysis revealed that exposure to PFAS is conserved across different tissues, molecules and species. We identified and reported several genes exhibiting consistent and evolutionarily conserved transcriptional response to PFASs, such as ESR1, HADHA and ID1, as well as several pathways including lipid metabolism, immune response and hormone pathways. This study provides the first evidence that distinct PFAS molecules induce comparable transcriptional changes and affect the same metabolic processes across inter-species borders. Our findings have significant implications for understanding the impact of PFAS exposure on living organisms and the environment. We believe that this study offers a novel perspective on the molecular responses to PFAS exposure and provides a foundation for future research into developing strategies for mitigating the detrimental effects of these substances in the ecosystem.
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Affiliation(s)
- Livia Beccacece
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Filippo Costa
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Jennifer Paola Pascali
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35121 Padua, Italy
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Zalambani C, Rizzardi N, Marziali G, Foschi C, Morselli S, Djusse ME, Naldi M, Fato R, Calonghi N, Marangoni A. Role of D(-)-Lactic Acid in Prevention of Chlamydia trachomatis Infection in an In Vitro Model of HeLa Cells. Pathogens 2023; 12:883. [PMID: 37513730 PMCID: PMC10383594 DOI: 10.3390/pathogens12070883] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/21/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
A vaginal microbiota dominated by certain Lactobacillus species may have a protective effect against Chlamydia trachomatis infection. One of the key antimicrobial compounds produced is lactic acid, which is believed to play a central role in host defense. Lactobacillus strains producing the D(-)-lactic acid isomer are known to exert stronger protection. However, the molecular mechanisms underlying this antimicrobial action are not well understood. The aim of this study was to investigate the role of D(-)-lactic acid isomer in the prevention of C. trachomatis infection in an in vitro HeLa cell model. We selected two strains of lactobacilli belonging to different species: a vaginal isolate of Lactobacillus crispatus that releases both D(-) and L(+) isomers and a strain of Lactobacillus reuteri that produces only the L(+) isomer. Initially, we demonstrated that L. crispatus was significantly more effective than L. reuteri in reducing C. trachomatis infectivity. A different pattern of histone acetylation and lactylation was observed when HeLa cells were pretreated for 24 h with supernatants of Lactobacillus crispatus or L. reuteri, resulting in different transcription of genes such as CCND1, CDKN1A, ITAG5 and HER-1. Similarly, distinct transcription patterns were found in HeLa cells treated with 10 mM D(-)- or L(+)-lactic acid isomers. Our findings suggest that D(-) lactic acid significantly affects two non-exclusive mechanisms involved in C. trachomatis infection: regulation of the cell cycle and expression of EGFR and α5β1-integrin.
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Affiliation(s)
- Chiara Zalambani
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Nicola Rizzardi
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Giacomo Marziali
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Claudio Foschi
- Microbiology, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
- Microbiology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Sara Morselli
- Microbiology, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
| | - Marielle Ezekielle Djusse
- Microbiology, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
| | - Marina Naldi
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Romana Fato
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Natalia Calonghi
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy
| | - Antonella Marangoni
- Microbiology, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
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Bergamini C, Leoni I, Rizzardi N, Melli M, Galvani G, Coada CA, Giovannini C, Monti E, Liparulo I, Valenti F, Ferracin M, Ravaioli M, Cescon M, Vasuri F, Piscaglia F, Negrini M, Stefanelli C, Fato R, Gramantieri L, Fornari F. MiR-494 induces metabolic changes through G6pc targeting and modulates sorafenib response in hepatocellular carcinoma. J Exp Clin Cancer Res 2023; 42:145. [PMID: 37301960 DOI: 10.1186/s13046-023-02718-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Metabolic reprogramming is a well-known marker of cancer, and it represents an early event during hepatocellular carcinoma (HCC) development. The recent approval of several molecular targeted agents has revolutionized the management of advanced HCC patients. Nevertheless, the lack of circulating biomarkers still affects patient stratification to tailored treatments. In this context, there is an urgent need for biomarkers to aid treatment choice and for novel and more effective therapeutic combinations to avoid the development of drug-resistant phenotypes. This study aims to prove the involvement of miR-494 in metabolic reprogramming of HCC, to identify novel miRNA-based therapeutic combinations and to evaluate miR-494 potential as a circulating biomarker. METHODS Bioinformatics analysis identified miR-494 metabolic targets. QPCR analysis of glucose 6-phosphatase catalytic subunit (G6pc) was performed in HCC patients and preclinical models. Functional analysis and metabolic assays assessed G6pc targeting and miR-494 involvement in metabolic changes, mitochondrial dysfunction, and ROS production in HCC cells. Live-imaging analysis evaluated the effects of miR-494/G6pc axis in cell growth of HCC cells under stressful conditions. Circulating miR-494 levels were assayed in sorafenib-treated HCC patients and DEN-HCC rats. RESULTS MiR-494 induced the metabolic shift of HCC cells toward a glycolytic phenotype through G6pc targeting and HIF-1A pathway activation. MiR-494/G6pc axis played an active role in metabolic plasticity of cancer cells, leading to glycogen and lipid droplets accumulation that favored cell survival under harsh environmental conditions. High miR-494 serum levels associated with sorafenib resistance in preclinical models and in a preliminary cohort of HCC patients. An enhanced anticancer effect was observed for treatment combinations between antagomiR-494 and sorafenib or 2-deoxy-glucose in HCC cells. CONCLUSIONS MiR-494/G6pc axis is critical for the metabolic rewiring of cancer cells and associates with poor prognosis. MiR-494 deserves attention as a candidate biomarker of likelihood of response to sorafenib to be tested in future validation studies. MiR-494 represents a promising therapeutic target for combination strategies with sorafenib or metabolic interference molecules for the treatment of HCC patients who are ineligible for immunotherapy.
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Affiliation(s)
- Christian Bergamini
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Ilaria Leoni
- Centre for Applied Biomedical Research - CRBA, University of Bologna, Policlinico di Sant'Orsola, 40138, Bologna, Italy
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy
| | - Nicola Rizzardi
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Mattia Melli
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Giuseppe Galvani
- Centre for Applied Biomedical Research - CRBA, University of Bologna, Policlinico di Sant'Orsola, 40138, Bologna, Italy
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy
| | | | - Catia Giovannini
- Centre for Applied Biomedical Research - CRBA, University of Bologna, Policlinico di Sant'Orsola, 40138, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, 40138, Bologna, Italy
| | - Elisa Monti
- Centre for Applied Biomedical Research - CRBA, University of Bologna, Policlinico di Sant'Orsola, 40138, Bologna, Italy
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy
| | - Irene Liparulo
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Francesca Valenti
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Manuela Ferracin
- Department of Medical and Surgical Sciences, University of Bologna, 40138, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138, Bologna, Italy
| | - Matteo Ravaioli
- Department of Medical and Surgical Sciences, University of Bologna, 40138, Bologna, Italy
- Hepato-biliary Surgery and Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138, Bologna, Italy
| | - Matteo Cescon
- Department of Medical and Surgical Sciences, University of Bologna, 40138, Bologna, Italy
- Hepato-biliary Surgery and Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138, Bologna, Italy
| | - Francesco Vasuri
- Department of Pathology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138, Bologna, Italy
| | - Fabio Piscaglia
- Department of Medical and Surgical Sciences, University of Bologna, 40138, Bologna, Italy
- Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via Massarenti, 9, 40138, Bologna, Italy
| | - Massimo Negrini
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44100, Ferrara, Italy
| | - Claudio Stefanelli
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy
| | - Romana Fato
- Department of Pharmacy and Biotechnology, University of Bologna, 40126, Bologna, Italy
| | - Laura Gramantieri
- Division of Internal Medicine, Hepatobiliary and Immunoallergic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Via Massarenti, 9, 40138, Bologna, Italy.
| | - Francesca Fornari
- Centre for Applied Biomedical Research - CRBA, University of Bologna, Policlinico di Sant'Orsola, 40138, Bologna, Italy.
- Department for Life Quality Studies, University of Bologna, 47921, Rimini, Italy.
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22
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Ribani A, Taurisano V, Karatosidi D, Schiavo G, Bovo S, Bertolini F, Fontanesi L. Signatures of Admixture and Genetic Uniqueness in the Autochthonous Greek Black Pig Breed Deduced from Gene Polymorphisms Affecting Domestication-Derived Traits. Animals (Basel) 2023; 13:1763. [PMID: 37889646 PMCID: PMC10251807 DOI: 10.3390/ani13111763] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/20/2023] [Accepted: 05/24/2023] [Indexed: 09/29/2023] Open
Abstract
The Greek Black Pig (or Greek Pig) is the only recognized autochthonous pig breed raised in Greece, usually in extensive or semi-extensive production systems. According to its name, the characteristic breed coat color is solid black. In this study, with the aim to start a systematic genetic characterization of the Greek Black Pig breed, we investigated polymorphisms in major genes well known to affect exterior and production traits (MC1R, KIT, NR6A1, VRTN and IGF2) and compared these data with population genetic information available in other Mediterranean and Western Balkan pig breeds and wild boars. None of the investigated gene markers were fixed for one allele, suggesting that, in the past, this breed experienced introgression from wild boars and admixture from cosmopolitan pig breeds, enriching the breed genetic pool that should be further investigated to design appropriate conservation genetic strategies. We identified a new MC1R allele, containing two missense mutations already reported in two other independent alleles, but here present in the same haplotype. This allele might be useful to disclose biological information that can lead to better understanding the cascade transmission of signals to produce melanin pigments. This study demonstrated that autochthonous genetic resources can be an interesting reservoir of unexpected genetic variants.
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Affiliation(s)
- Anisa Ribani
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
| | - Valeria Taurisano
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
| | - Despoina Karatosidi
- Research Institute of Animal Science, General Directorate of Hellenic Agricultural Organisation “Demeter”, Paralimni Giannitsa, 58100 Pella, Greece;
| | - Giuseppina Schiavo
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
| | - Samuele Bovo
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
| | - Francesca Bertolini
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
| | - Luca Fontanesi
- Department of Agricultural and Food Sciences, Division of Animal Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (G.S.); (S.B.); (F.B.)
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23
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Recanatini M, Menestrina L. Network modeling helps to tackle the complexity of drug-disease systems. WIREs Mech Dis 2023:e1607. [PMID: 36958762 DOI: 10.1002/wsbm.1607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 02/03/2023] [Accepted: 03/03/2023] [Indexed: 03/25/2023]
Abstract
From the (patho)physiological point of view, diseases can be considered as emergent properties of living systems stemming from the complexity of these systems. Complex systems display some typical features, including the presence of emergent behavior and the organization in successive hierarchic levels. Drug treatments increase this complexity scenario, and from some years the use of network models has been introduced to describe drug-disease systems and to make predictions about them with regard to several aspects related to drug discovery. Here, we review some recent examples thereof with the aim to illustrate how network science tools can be very effective in addressing both tasks. We will examine the use of bipartite networks that lead to the important concept of "disease module", as well as the introduction of more articulated models, like multi-scale and multiplex networks, able to describe disease systems at increasing levels of organization. Examples of predictive models will then be discussed, considering both those that exploit approaches purely based on graph theory and those that integrate machine learning methods. A short account of both kinds of methodological applications will be provided. Finally, the point will be made on the present situation of modeling complex drug-disease systems highlighting some open issues. This article is categorized under: Neurological Diseases > Computational Models Infectious Diseases > Computational Models Cardiovascular Diseases > Computational Models.
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Affiliation(s)
- Maurizio Recanatini
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, Bologna, 40126, Italy
| | - Luca Menestrina
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, Via Belmeloro 6, Bologna, 40126, Italy
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24
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Trofè A, Piras A, Muehsam D, Meoni A, Campa F, Toselli S, Raffi M. Effect of Pulsed Electromagnetic Fields (PEMFs) on Muscular Activation during Cycling: A Single-Blind Controlled Pilot Study. Healthcare (Basel) 2023; 11:healthcare11060922. [PMID: 36981580 PMCID: PMC10048902 DOI: 10.3390/healthcare11060922] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/13/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
PURPOSE PEMF stimulation results in a higher O2 muscle supply during exercise through increased O2 release and uptake. Given the importance of oxygen uptake in sport activity, especially in aerobic disciplines such as cycling, we sought to investigate the influence of PEMF on muscle activity when subjects cycled at an intensity between low and severe. METHODS Twenty semi-professional cyclists performed a constant-load exercise with randomized active (ON) or inactive (OFF) PEMF stimulation. Each subject started the recording session with 1 min of cycling without load (warm-up), followed by an instantaneous increase in power, as the individualized workload (constant-load physical effort). PEMF loops were applied on the vastus medialis and biceps femoris of the right leg. We recorded the electromyographic activity from each muscle and measured blood lactate prior the exercise and during the constant-load physical effort. RESULTS PEMF stimulation caused a significant increase in muscle activity in the warm-up condition when subjects cycled without load (p < 0.001). The blood lactate concentration was higher during PEMF stimulation (p < 0.001), a possible consequence of PEMF's influence on glycolytic metabolism. CONCLUSION PEMF stimulation augmented the activity and the metabolism of muscular fibers during the execution of physical exercise. PEMF stimulation could be used to raise the amplitude of muscular responses to physical activity, especially during low-intensity exercise.
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Affiliation(s)
- Aurelio Trofè
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Alessandro Piras
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - David Muehsam
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40126 Bologna, Italy
| | - Andrea Meoni
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - Francesco Campa
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Stefania Toselli
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Milena Raffi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
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25
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Panichi V, Bissoli I, D'Adamo S, Flamigni F, Cetrullo S, Borzì RM. NOTCH1: A Novel Player in the Molecular Crosstalk Underlying Articular Chondrocyte Protection by Oleuropein and Hydroxytyrosol. Int J Mol Sci 2023; 24:ijms24065830. [PMID: 36982904 PMCID: PMC10058228 DOI: 10.3390/ijms24065830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/03/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Osteoarthritis (OA) is the most common joint disease, but no effective and safe disease-modifying treatment is available. Risk factors such as age, sex, genetics, injuries and obesity can concur to the onset of the disease, variably triggering the loss of maturational arrest of chondrocytes further sustained by oxidative stress, inflammation and catabolism. Different types of nutraceuticals have been studied for their anti-oxidative and anti-inflammatory properties. Olive-derived polyphenols draw particular interest due to their ability to dampen the activation of pivotal signaling pathways in OA. Our study aims to investigate the effects of oleuropein (OE) and hydroxytyrosol (HT) in in vitro OA models and elucidate their possible effects on NOTCH1, a novel therapeutic target for OA. Chondrocytes were cultured and exposed to lipopolysaccharide (LPS). Detailed analysis was carried out about the OE/HT mitigating effects on the release of ROS (DCHF-DA), the increased gene expression of catabolic and inflammatory markers (real time RT-PCR), the release of MMP-13 (ELISA and Western blot) and the activation of underlying signaling pathways (Western blot). Our findings show that HT/OE efficiently attenuates LPS-induced effects by firstly reducing the activation of JNK and of the NOTCH1 pathway downstream. In conclusion, our study provides molecular bases supporting the dietary supplementation of olive-derived polyphenols to revert/delay the progression of OA.
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Affiliation(s)
- Veronica Panichi
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Laboratorio di Patologia delle Infezioni Associate all'Impianto, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Irene Bissoli
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy
| | - Stefania D'Adamo
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy
| | - Flavio Flamigni
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy
| | - Silvia Cetrullo
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, 40138 Bologna, Italy
| | - Rosa Maria Borzì
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
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26
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Zambelli B, Basak P, Hu H, Piccioli M, Musiani F, Broll V, Imbert L, Boisbouvier J, Maroney MJ, Ciurli S. The structure of the high-affinity nickel-binding site in the Ni,Zn-HypA•UreE2 complex. Metallomics 2023; 15:mfad003. [PMID: 36638839 PMCID: PMC10001889 DOI: 10.1093/mtomcs/mfad003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
The maturation pathway for the nickel-dependent enzyme urease utilizes the protein UreE as a metallochaperone to supply Ni(II) ions. In Helicobacter pylori urease maturation also requires HypA and HypB, accessory proteins that are commonly associated with hydrogenase maturation. Herein we report on the characterization of a protein complex formed between HypA and the UreE2 dimer. Nuclear magnetic resonance (NMR) coupled with molecular modelling show that the protein complex apo, Zn-HypA•UreE2, forms between the rigorously conserved Met-His-Glu (MHE motif) Ni-binding N-terminal sequence of HypA and the two conserved His102A and His102B located at the dimer interface of UreE2. This complex forms in the absence of Ni(II) and is supported by extensive protein contacts that include the use of the C-terminal sequences of UreE2 to form additional strands of β-sheet with the Ni-binding domain of HypA. The Ni-binding properties of apo, Zn-HypA•UreE2 and the component proteins were investigated by isothermal titration calorimetry using a global fitting strategy that included all of the relevant equilibria, and show that the Ni,Zn-HypA•UreE2 complex contains a single Ni(II)-binding site with a sub-nanomolar KD. The structural features of this novel Ni(II) site were elucidated using proteins produced with specifically deuterated amino acids, protein point mutations, and the analyses of X-ray absorption spectroscopy, hyperfine shifted NMR features, as well as molecular modeling coupled with quantum-mechanical calculations. The results show that the complex contains a six-coordinate, high-spin Ni(II) site with ligands provided by both component proteins.
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Affiliation(s)
- Barbara Zambelli
- Laboratory of Bioinorganic Chemistry, Department of Pharmacy and Biotechnology, University of Bologna, Bologna,Italy
| | - Priyanka Basak
- Department of Chemistry and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, MA, USA
| | - Heidi Hu
- Department of Chemistry and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, MA, USA
| | - Mario Piccioli
- Centre for Magnetic Resonance, Department of Chemistry, University of Florence, Florence Italy
| | - Francesco Musiani
- Laboratory of Bioinorganic Chemistry, Department of Pharmacy and Biotechnology, University of Bologna, Bologna,Italy
| | - Valquiria Broll
- Laboratory of Bioinorganic Chemistry, Department of Pharmacy and Biotechnology, University of Bologna, Bologna,Italy
| | - Lionel Imbert
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble, France
| | - Jerome Boisbouvier
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble, France
| | - Michael J Maroney
- Department of Chemistry and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, MA, USA
| | - Stefano Ciurli
- Laboratory of Bioinorganic Chemistry, Department of Pharmacy and Biotechnology, University of Bologna, Bologna,Italy
- Centre for Magnetic Resonance, Department of Chemistry, University of Florence, Florence Italy
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Ribani A, Taurisano V, Utzeri VJ, Fontanesi L. Honey Environmental DNA Can Be Used to Detect and Monitor Honey Bee Pests: Development of Methods Useful to Identify Aethina tumida and Galleria mellonella Infestations. Vet Sci 2022; 9:213. [PMID: 35622741 PMCID: PMC9147136 DOI: 10.3390/vetsci9050213] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/09/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open
Abstract
Environmental DNA (eDNA) contained in honey derives from the organisms that directly and indirectly have been involved in the production process of this matrix and that have played a role in the hive ecosystems where the honey has been produced. In this study we set up PCR-based assays to detect the presence of DNA traces left in the honey by two damaging honey bee pests: the small hive beetle (Aethina tumida) and the greater wax moth (Galleria mellonella). DNA was extracted from 82 honey samples produced in Italy and amplified using two specific primer pairs that target the mitochondrial gene cytochrome oxidase I (COI) of A. tumida and two specific primer pairs that target the same gene in G. mellonella. The limit of detection was tested using sequential dilutions of the pest DNA. Only one honey sample produced in Calabria was positive for A. tumida whereas about 66% of all samples were positively amplified for G. mellonella. The use of honey eDNA could be important to establish early and effective measures to contain at the local (e.g., apiary) or regional scales these two damaging pests and, particularly for the small hive beetle, to prevent its widespread diffusion.
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Affiliation(s)
- Anisa Ribani
- Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (V.J.U.)
- GRIFFA srl, Viale Fanin 48, 40127 Bologna, Italy
| | - Valeria Taurisano
- Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (V.J.U.)
| | - Valerio Joe Utzeri
- Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (V.J.U.)
- GRIFFA srl, Viale Fanin 48, 40127 Bologna, Italy
| | - Luca Fontanesi
- Department of Agricultural and Food Sciences, University of Bologna, Viale Giuseppe Fanin 46, 40127 Bologna, Italy; (A.R.); (V.T.); (V.J.U.)
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Gentilini F, Turba ME, Taddei F, Gritti T, Fantini M, Dirani G, Sambri V. Modelling RT-qPCR cycle-threshold using digital PCR data for implementing SARS-CoV-2 viral load studies. PLoS One 2021; 16:e0260884. [PMID: 34928966 PMCID: PMC8687578 DOI: 10.1371/journal.pone.0260884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 04/14/2021] [Accepted: 11/18/2021] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVES To exploit the features of digital PCR for implementing SARS-CoV-2 observational studies by reliably including the viral load factor expressed as copies/μL. METHODS A small cohort of 51 Covid-19 positive samples was assessed by both RT-qPCR and digital PCR assays. A linear regression model was built using a training subset, and its accuracy was assessed in the remaining evaluation subset. The model was then used to convert the stored cycle threshold values of a large dataset of 6208 diagnostic samples into copies/μL of SARS-CoV-2. The calculated viral load was used for a single cohort retrospective study. Finally, the cohort was randomly divided into a training set (n = 3095) and an evaluation set (n = 3113) to establish a logistic regression model for predicting case-fatality and to assess its accuracy. RESULTS The model for converting the Ct values into copies/μL was suitably accurate. The calculated viral load over time in the cohort of Covid-19 positive samples showed very low viral loads during the summer inter-epidemic waves in Italy. The calculated viral load along with gender and age allowed building a predictive model of case-fatality probability which showed high specificity (99.0%) and low sensitivity (21.7%) at the optimal threshold which varied by modifying the threshold (i.e. 75% sensitivity and 83.7% specificity). Alternative models including categorised cVL or raw cycle thresholds obtained by the same diagnostic method also gave the same performance. CONCLUSION The modelling of the cycle threshold values using digital PCR had the potential of fostering studies addressing issues regarding Sars-CoV-2; furthermore, it may allow setting up predictive tools capable of early identifying those patients at high risk of case-fatality already at diagnosis, irrespective of the diagnostic RT-qPCR platform in use. Depending upon the epidemiological situation, public health authority policies/aims, the resources available and the thresholds used, adequate sensitivity could be achieved with acceptable low specificity.
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Affiliation(s)
- Fabio Gentilini
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell’Emilia, Bologna, Italy
| | | | - Francesca Taddei
- Unit of Microbiology, The Great Romagna Hub Laboratory, Pievesestina, Italy
| | - Tommaso Gritti
- Unit of Microbiology, The Great Romagna Hub Laboratory, Pievesestina, Italy
| | - Michela Fantini
- Unit of Microbiology, The Great Romagna Hub Laboratory, Pievesestina, Italy
| | - Giorgio Dirani
- Unit of Microbiology, The Great Romagna Hub Laboratory, Pievesestina, Italy
| | - Vittorio Sambri
- Unit of Microbiology, The Great Romagna Hub Laboratory, Pievesestina, Italy
- Department of Experimental, Diagnostic and Specialty Medicine - DIMES, University of Bologna, Bologna, Italy
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Di Foggia M, Tsukada M, Taddei P. Vibrational Study on Structure and Bioactivity of Protein Fibers Grafted with Phosphorylated Methacrylates. Molecules 2021; 26:6487. [PMID: 34770891 PMCID: PMC8587459 DOI: 10.3390/molecules26216487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/25/2021] [Accepted: 10/25/2021] [Indexed: 11/25/2022] Open
Abstract
In the last decades, silk fibroin and wool keratin have been considered functional materials for biomedical applications. In this study, fabrics containing silk fibers from Bombyx mori and Tussah silk fibers from Antheraea pernyi, as well as wool keratin fabrics, were grafted with phosmer CL and phosmer M (commercial names, i.e., methacrylate monomers containing phosphate groups in the molecular side chain) with different weight gains. Both phosmers were recently proposed as flame retarding agents, and their chemical composition suggested a possible application in bone tissue engineering. IR and Raman spectroscopy were used to disclose the possible structural changes induced by grafting and identify the most reactive amino acids towards the phosmers. The same techniques were used to investigate the nucleation of a calcium phosphate phase on the surface of the samples (i.e., bioactivity) after ageing in simulated body fluid (SBF). The phosmers were found to polymerize onto the biopolymers efficiently, and tyrosine and serine underwent phosphorylation (monitored through the strengthening of the Raman band at 1600 cm-1 and the weakening of the Raman band at 1400 cm-1, respectively). In grafted wool keratin, cysteic acid and other oxidation products of disulphide bridges were detected together with sulphated residues. Only slight conformational changes were observed upon grafting, generally towards an enrichment in ordered domains, suggesting that the amorphous regions were more prone to react (and, sometimes, degrade). All samples were shown to be bioactive, with a weight gain of up to 8%. The most bioactive samples contained the highest phosmers amounts, i.e., the highest amounts of phosphate nucleating sites. The sulphate/sulphonate groups present in grafted wool samples appeared to increase bioactivity, as shown by the five-fold increase of the IR phosphate band at 1040 cm-1.
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Affiliation(s)
- Michele Di Foggia
- Department of Biomedical and Neuromotor Sciences, University of Bologna, via Belmeloro 8/2, 40126 Bologna, Italy;
| | - Masuhiro Tsukada
- Division of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan;
| | - Paola Taddei
- Department of Biomedical and Neuromotor Sciences, University of Bologna, via Belmeloro 8/2, 40126 Bologna, Italy;
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Angeli A, Valori I, Farroni T, Marfia G. Reaching to inhibit a prepotent response: A wearable 3-axis accelerometer kinematic analysis. PLoS One 2021; 16:e0254514. [PMID: 34265002 PMCID: PMC8281986 DOI: 10.1371/journal.pone.0254514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 12/15/2020] [Accepted: 06/28/2021] [Indexed: 11/18/2022] Open
Abstract
The present work explores the distinctive contribution of motor planning and control to human reaching movements. In particular, the movements were triggered by the selection of a prepotent response (Dominant) or, instead, by the inhibition of the prepotent response, which required the selection of an alternative one (Non-dominant). To this end, we adapted a Go/No-Go task to investigate both the dominant and non-dominant movements of a cohort of 19 adults, utilizing kinematic measures to discriminate between the planning and control components of the two actions. In this experiment, a low-cost, easy to use, 3-axis wrist-worn accelerometer was put to good use to obtain raw acceleration data and to compute and break down its velocity components. The values obtained with this task indicate that with the inhibition of a prepotent response, the selection and execution of the alternative one yields both a longer reaction time and movement duration. Moreover, the peak velocity occurred later in time in the non-dominant response with respect to the dominant response, revealing that participants tended to indulge more in motor planning than in adjusting their movement along the way. Finally, comparing such results to the findings obtained by other means in the literature, we discuss the feasibility of an accelerometer-based analysis to disentangle distinctive cognitive mechanisms of human movements.
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Affiliation(s)
- Alessia Angeli
- Department of Computer Science and Engineering, University of Bologna, Bologna, Italy
| | - Irene Valori
- Department of Developmental Psychology and Socialisation, University of Padova, Padova, Italy
| | - Teresa Farroni
- Department of Developmental Psychology and Socialisation, University of Padova, Padova, Italy
- * E-mail:
| | - Gustavo Marfia
- Department for Life Quality Studies, University of Bologna, Rimini, Italy
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Angelicola S, Ruzzi F, Landuzzi L, Scalambra L, Gelsomino F, Ardizzoni A, Nanni P, Lollini PL, Palladini A. IFN-γ and CD38 in Hyperprogressive Cancer Development. Cancers (Basel) 2021; 13:309. [PMID: 33467713 PMCID: PMC7830527 DOI: 10.3390/cancers13020309] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [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] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 12/21/2022] Open
Abstract
Immune checkpoint inhibitors (ICIs) improve the survival of patients with multiple types of cancer. However, low response rates and atypical responses limit their success in clinical applications. The paradoxical acceleration of tumor growth after treatment, defined as hyperprogressive disease (HPD), is the most difficult problem facing clinicians and patients alike. The mechanisms that underlie hyperprogression (HP) are still unclear and controversial, although different factors are associated with the phenomenon. In this review, we propose two factors that have not yet been demonstrated to be directly associated with HP, but upon which it is important to focus attention. IFN-γ is a key cytokine in antitumor response and its levels increase during ICI therapy, whereas CD38 is an alternative immune checkpoint that is involved in immunosuppressive responses. As both factors are associated with resistance to ICI therapy, we have discussed their possible involvement in HPD with the conclusion that IFN-γ may contribute to HP onset through the activation of the inflammasome pathway, immunosuppressive enzyme IDO1 and activation-induced cell death (AICD) in effector T cells, while the role of CD38 in HP may be associated with the activation of adenosine receptors, hypoxia pathways and AICD-dependent T-cell depletion.
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Affiliation(s)
- Stefania Angelicola
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
| | - Francesca Ruzzi
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
| | - Lorena Landuzzi
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Laura Scalambra
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
| | - Francesco Gelsomino
- Divisione di Oncologia Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (F.G.); (A.A.)
| | - Andrea Ardizzoni
- Divisione di Oncologia Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (F.G.); (A.A.)
| | - Patrizia Nanni
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
| | - Pier-Luigi Lollini
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
| | - Arianna Palladini
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy; (S.A.); (F.R.); (L.S.); (A.P.)
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Giuliani C, Franceschi C, Luiselli D, Garagnani P, Ulijaszek S. Ecological Sensing Through Taste and Chemosensation Mediates Inflammation: A Biological Anthropological Approach. Adv Nutr 2020; 11:1671-1685. [PMID: 32647890 PMCID: PMC7666896 DOI: 10.1093/advances/nmaa078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 04/24/2020] [Accepted: 06/11/2020] [Indexed: 12/19/2022] Open
Abstract
Ecological sensing and inflammation have evolved to ensure optima between organism survival and reproductive success in different and changing environments. At the molecular level, ecological sensing consists of many types of receptors located in different tissues that orchestrate integrated responses (immune, neuroendocrine systems) to external and internal stimuli. This review describes emerging data on taste and chemosensory receptors, proposing them as broad ecological sensors and providing evidence that taste perception is shaped not only according to sense epitopes from nutrients but also in response to highly diverse external and internal stimuli. We apply a biological anthropological approach to examine how ecological sensing has been shaped by these stimuli through human evolution for complex interkingdom communication between a host and pathological and symbiotic bacteria, focusing on population-specific genetic diversity. We then focus on how these sensory receptors play a major role in inflammatory processes that form the basis of many modern common metabolic diseases such as obesity, type 2 diabetes, and aging. The impacts of human niche construction and cultural evolution in shaping environments are described with emphasis on consequent biological responsiveness.
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Affiliation(s)
- Cristina Giuliani
- Department of Biological, Geological, and Environmental Sciences (BiGeA), Laboratory of Molecular Anthropology and Centre for Genome Biology, University of Bologna, Bologna, Italy
- School of Anthropology and Museum Ethnography, University of Oxford, Oxford, United Kingdom
- Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate), University of Bologna, Bologna, Italy
| | - Claudio Franceschi
- Laboratory of Systems Medicine of Healthy Aging and Department of Applied Mathematics, Lobachevsky University, Nizhny Novgorod, Russia
| | - Donata Luiselli
- Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate), University of Bologna, Bologna, Italy
- Department of Cultural Heritage (DBC), Laboratory of Ancient DNA (aDNALab), Campus of Ravenna, University of Bologna, Bologna, Italy
| | - Paolo Garagnani
- Alma Mater Research Institute on Global Challenges and Climate Change (Alma Climate), University of Bologna, Bologna, Italy
- Department of Experimental, Diagnostic, and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Clinical Chemistry, Department of Laboratory Medicine, Karolinska Institutet at Huddinge University Hospital, Stockholm, Sweden
| | - Stanley Ulijaszek
- School of Anthropology and Museum Ethnography, University of Oxford, Oxford, United Kingdom
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Bernardini C, La Mantia D, Nesci S, Salaroli R, Algieri C, Pagliarani A, Zannoni A, Forni M. Effects of Hydrogen Sulfide Donor NaHS on Porcine Vascular Wall-Mesenchymal Stem Cells. Int J Mol Sci 2020; 21:E5267. [PMID: 32722269 PMCID: PMC7432345 DOI: 10.3390/ijms21155267] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 02/07/2023] Open
Abstract
Hydrogen sulfide (H2S) is now considered not only for its toxicity, but also as an endogenously produced gas transmitter with multiple physiological roles, also in maintaining and regulating stem cell physiology. In the present work, we evaluated the effect of a common H2S donor, NaHS, on porcine vascular wall-mesenchymal stem cells (pVW-MSCs). pVW-MSCs were treated for 24 h with increasing doses of NaHS, and the cell viability, cell cycle, and reactive oxygen species (ROS) production were evaluated. Moreover, the long-term effects of NaHS administration on the noteworthy characteristics of pVW-MSCs were analyzed. The MTT test revealed no alteration in cell viability, however, the cell cycle analysis demonstrated that the highest NaHS dose tested (300 μM) determined a block in S phase, which did not depend on the ROS production. Moreover, NaHS (10 μM), continuously administered in culture for 21 days, was able to significantly reduce NG2, Nestin and PDGFR-β expression. The pro-angiogenic attitude of pVW-MSCs was partially reduced by NaHS: the cells maintained the ability to grow in spheroid and sprouting from that, but endothelial markers (Factor VIII and CD31) were reduced. In conclusion, NaHS can be toxic for pVW-MSCs in high doses, while in low doses, it influences cellular physiology, by affecting the gene expression with a slowing down of the endothelial lineage.
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Affiliation(s)
- Chiara Bernardini
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Debora La Mantia
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Salvatore Nesci
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Roberta Salaroli
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Cristina Algieri
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Alessandra Pagliarani
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
| | - Augusta Zannoni
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
- Health Sciences and Technologies—Interdepartmental Center for Industrial Research (CIRI-SDV), Alma Mater Studiorum—University of Bologna, 40100 Bologna, Italy
| | - Monica Forni
- Department of Veterinary Medical Science, University of Bologna, Via Tolara di Sopra, 50-40064 Ozzano Emilia (BO), Italy; (C.B.); (D.L.M.); (S.N.); (R.S.); (C.A.); (A.P.); (M.F.)
- Health Sciences and Technologies—Interdepartmental Center for Industrial Research (CIRI-SDV), Alma Mater Studiorum—University of Bologna, 40100 Bologna, Italy
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Cicero AFG, Cosentino ER, Kuwabara M, Degli Esposti D, Borghi C. Effects of allopurinol and febuxostat on cardiovascular mortality in elderly heart failure patients. Intern Emerg Med 2019; 14:949-956. [PMID: 30864092 DOI: 10.1007/s11739-019-02070-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 03/06/2019] [Indexed: 02/07/2023]
Abstract
Hyperuricemia is an emerging risk factor for the development of heart failure (HF) and is associated with a worsen prognosis of the disease. The effect of urate lowering drugs (ULT) and, in particular, the xanthine oxidase inhibitor in patients with HF is controversial. The aim of the study is to compare the effects of treatment with two different xanthine oxidase inhibitors (allopurinol or febuxostat) on cardiovascular mortality in elderly patients with chronic HF in a setting of clinical practice. In this observational trial, 255 elderly patients affected by chronic HF and treated with ULT on top of optimal medical treatment for HF. The sample included only outpatients with mild-to-moderate HF mainly secondary to chronic arterial hypertension or coronary artery disease and not previously hospitalized for HF. Patient treated with febuxostat (N. 120) and allopurinol (N. 135) were balanced for most of the baseline variables. In particular age, NYHA class distribution, drug treatment and renal function were comparable at the baseline and during the observation in both groups (p > 0.05). After a mean follow-up period of 5.1 years, the cumulative cardiovascular survival was 0.96 (95% CI 0.93-0.99) in febuxostat-treated patients and 0.89 (95% CI 0.84-0.93) in those treated with allopurinol. The between group difference, adjusted for the main confounding risk factors, was statistically significant (p = 0.04). Our study results suggest that possibility that febuxostat, a selective XO inhibitor, may favorably affect cardiovascular mortality in comparison with allopurinol in elderly patients with mild-to-moderate HF. This preliminary observation deserves further evaluation in the next future.
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Affiliation(s)
| | - Eugenio Roberto Cosentino
- Internal Medicine Unit, S. Orsola-Malpighi University Hospital, Building 2 -IV Floor - Via Albertoni 15, 40138, Bologna, Italy
| | | | - Daniela Degli Esposti
- Internal Medicine Unit, S. Orsola-Malpighi University Hospital, Building 2 -IV Floor - Via Albertoni 15, 40138, Bologna, Italy
| | - Claudio Borghi
- Internal Medicine Unit, S. Orsola-Malpighi University Hospital, Building 2 -IV Floor - Via Albertoni 15, 40138, Bologna, Italy
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Di Girolamo N, Ferlizza E, Selleri P, Nardini G, Isani G. Evaluation of point-of-care analysers for blood gas and clinical chemistry in Hermann's tortoises (Testudo hermanni). J Small Anim Pract 2018; 59:704-713. [PMID: 30066950 DOI: 10.1111/jsap.12908] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [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] [Received: 12/23/2017] [Revised: 04/07/2018] [Accepted: 05/16/2018] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To assess the agreement between point-of-care and laboratory analysers in measuring biochemical and blood gas analytes in venous samples from tortoises and to define preliminary reference intervals for venous blood gas analysis in Hermann's tortoises (Testudo hermanni). MATERIALS AND METHODS Jugular venous blood samples from 47 Hermann's tortoises underwent paired analysis with a portable gas analyser (i-STAT 1, Abaxis), a portable chemical analyser (VetScan VS2, Abaxis), and with the respective reference analysers. Agarose gel electrophoresis was used to determine albumin concentrations on 12 specimens. Agreement was evaluated with Bland-Altman plots and regression analysis using the Passing-Bablok method. RESULTS Point-of-care analysers had variable agreement with the reference analysers, presenting constant or proportional bias depending on the analyte. Relevant analytes in reptiles, such as ionised and total calcium, had acceptable agreement. The method for determining albumin concentration currently available in both point-of-care and laboratory analysers significantly overestimated albumin concentrations as compared to protein electrophoresis. CLINICAL SIGNIFICANCE While the use of POC analysers is extremely advantageous in small animal primary care facilities, agreement between point-of-care and laboratory analysers varies depending on the analyte. For certain analytes, interchangeability of results is limited and specific reference intervals for point-of-care analysers are required. Veterinarians should be aware of the size and the direction of the bias of each analyte.
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Affiliation(s)
- N Di Girolamo
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, 40064 Bologna, Italy
- Clinica per Animali Esotici, Centro Veterinario Specialistico, 00137 Rome, Italy
| | - E Ferlizza
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, 40064 Bologna, Italy
| | - P Selleri
- Clinica per Animali Esotici, Centro Veterinario Specialistico, 00137 Rome, Italy
| | - G Nardini
- Clinica Veterinaria Modena Sud, 41057 Spilamberto (MO), Italy
| | - G Isani
- Department of Veterinary Medical Sciences, Alma Mater Studiorum-University of Bologna, 40064 Bologna, Italy
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Sgolastra F, Arnan X, Cabbri R, Isani G, Medrzycki P, Teper D, Bosch J. Combined exposure to sublethal concentrations of an insecticide and a fungicide affect feeding, ovary development and longevity in a solitary bee. Proc Biol Sci 2018; 285:20180887. [PMID: 30135154 PMCID: PMC6125910 DOI: 10.1098/rspb.2018.0887] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/25/2018] [Indexed: 12/25/2022] Open
Abstract
Pollinators in agroecosystems are often exposed to pesticide mixtures. Even at low concentrations, the effects of these mixtures on bee populations are difficult to predict due to potential synergistic interactions. In this paper, we orally exposed newly emerged females of the solitary bee Osmia bicornis to environmentally realistic levels of clothianidin (neonicotinoid insecticide) and propiconazole (fungicide), singly and in combination. The amount of feeding solution consumed was highest in bees exposed to the neonicotinoid, and lowest in bees exposed to the pesticide mixture. Ovary maturation and longevity of bees of the neonicotinoid and the fungicide treatments did not differ from those of control bees. By contrast, bees exposed to the pesticide mixture showed slow ovary maturation and decreased longevity. We found a synergistic interaction between the neonicotinoid and the fungicide on survival probability. We also found an interaction between treatment and emergence time (an indicator of physiological condition) on longevity. Longevity was negatively correlated to physiological condition only in the fungicide and the mixture treatments. Delayed ovary maturation and premature death imply a shortened nesting period (highly correlated to fecundity in Osmia). Our findings provide a mechanism to explain the observed dynamics of solitary bee populations exposed to multiple chemical residues in agricultural environments.
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Affiliation(s)
- Fabio Sgolastra
- Dipartimento di Scienze e Tecnologie Agro-Alimentari, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Xavier Arnan
- CREAF, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Riccardo Cabbri
- Dipartimento di Scienze Mediche Veterinarie, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Gloria Isani
- Dipartimento di Scienze Mediche Veterinarie, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Piotr Medrzycki
- CREA-Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria, Centro di Ricerca Agricoltura ed Ambiente, Bologna, Italy
| | - Dariusz Teper
- Research Institute of Horticulture, Apiculture Division, Puławy, Poland
| | - Jordi Bosch
- CREAF, Universitat Autònoma de Barcelona, Bellaterra, Spain
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Mariani E, Canella V, Cattini L, Kon E, Marcacci M, Di Matteo B, Pulsatelli L, Filardo G. Leukocyte-Rich Platelet-Rich Plasma Injections Do Not Up-Modulate Intra-Articular Pro-Inflammatory Cytokines in the Osteoarthritic Knee. PLoS One 2016; 11:e0156137. [PMID: 27258008 PMCID: PMC4892682 DOI: 10.1371/journal.pone.0156137] [Citation(s) in RCA: 122] [Impact Index Per Article: 15.3] [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: 11/30/2015] [Accepted: 04/26/2016] [Indexed: 11/18/2022] Open
Abstract
Introduction The presence of leukocytes in platelet concentrates is deemed to cause deleterious effects when injected intra articularly. The aim of this study is to analyse both local and systemic effects induced by leukocyte-rich Platelet-rich Plasma (PRP) injections through a proteomic characterization of serial synovial fluid and blood samples obtained from subjects treated for knee OA. Secondary aim was to compare the effects on knee homeostasis and systemic response with those obtained with visco-supplementation. Methods Thirty-six OA patients treated either by autologous L-PRP or HA intra-articular knee injections, administered in series of three at one-week intervals, were analyzed. Just before the injection, 1 ml of synovial fluid was collected through the same needle way. In the same time, a peripheral blood sample was obtained and plasma separated. A further peripheral blood sample was collected at 2, 6, and 12 months. L-PRP, plasma and synovial fluid were tested by multiplex bead-based sandwich immunoassay by means of the Bio-Plex suspension array system (Bio-Rad Laboratories) for the presence of pro- and anti-inflammatory cytokines (IL-1beta, IL-6, IL-8, IL-17 and IL-4, IL-10, IL-13) and growth factors (FGF-b, HGF, PDGF-AB/BB). Results In general, pro-inflammatory cytokine levels were similar at basal condition and after treatment whereas anti-inflammatory ones were nearly undetectable. L-PRP administration did not modulate significant changes of cytokine concentrations either in synovial fluid or plasma, whatever the time points analyzed. No different trend was observed between L-PRP and HA administration in terms of pro- and anti-inflammatory cytokines, as well as growth factors. Conclusions In contrast with the evidence reported by “in vitro” studies, where a cellular pro-inflammatory response appears to be induced by the presence of leukocytes, these results suggest that the presence leukocyte-rich PRP doesn’t induce a relevant in vivo up regulation of pro-inflammatory mediators.
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Affiliation(s)
- Erminia Mariani
- Laboratory of Immunorheumatology and Tissue Regeneration/RAMSES, Rizzoli Orthopaedic Institute, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Valentina Canella
- Laboratory of Immunorheumatology and Tissue Regeneration/RAMSES, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Luca Cattini
- Laboratory of Immunorheumatology and Tissue Regeneration/RAMSES, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Elizaveta Kon
- Laboratory of Biomechanics and Technology Innovation/NABI, 2 Orthopaedic and Traumatologic Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Maurilio Marcacci
- Laboratory of Biomechanics and Technology Innovation/NABI, 2 Orthopaedic and Traumatologic Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Berardo Di Matteo
- Laboratory of Biomechanics and Technology Innovation/NABI, 2 Orthopaedic and Traumatologic Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy
- * E-mail:
| | - Lia Pulsatelli
- Laboratory of Immunorheumatology and Tissue Regeneration/RAMSES, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Giuseppe Filardo
- Laboratory of Biomechanics and Technology Innovation/NABI, 2 Orthopaedic and Traumatologic Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy
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