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1. P09-10 Innovative in vitro strategy for assessing aluminum bioavailability in oral care products

Author

Allaria, G., primary, Tardanico, F., additional, De Negri Atanasio, G., additional, Dondero, L., additional, Rispo, F., additional, Filippini, T., additional, Robino, F., additional, Soggia, F., additional, Ferrando, S., additional, Aicardi, S., additional, Demori, I., additional, Markus, J., additional, Zanotti-Russo, M., additional, and Grasselli, E., additional

Published
2022
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4. The rapid spread of SARS-COV-2 Omicron variant in Italy reflected early through wastewater surveillance

Author

La Rosa, G., Iaconelli, M., Veneri, C., Mancini, P., Bonanno Ferraro, G., Brandtner, D., Lucentini, L., Bonadonna, L., Rossi, M., Grigioni, M., Suffredini, E., Giuseppe, Bucciarelli, Paolo, Torlontano, Giuseppe, Michele La Bianca, Rosa Anna Cifarelli, Achille, Palma, Giovanna La Vecchia, Giuseppe, Lauria, Rosanna, Brienza, Patrizia, Montenegro, Angelo, D'Argenzio, Luigi, Cossentino, Renato, Olivares, Antonio, Pizzolante, Giovanna, Fusco, Alessandra, Tosco, Amalia, Porta, Francesca, Pennino, Triassi, Maria, Paola, Angelini, Laura De Lellis, Daniele, Nasci, Giovanni, Alborali, Nicoletta, Formenti, Flavia, Guarneri, Nadia, Fontani, Giulia, Nani, Franca, Palumbo, Gianluca, Borlone, Marco, Guercio, Lisa, Gentili, Marika, Mariuz, Gabriella, Trani, Anna, Pariani, Carla, Ancona, Doriana Antonella Giorgi, Irene, Ferrante, Monica, Monfrinotti, Silvia, Riosa, Valeria, Capparuccini, Maria Teresa Scicluna, Antonella, Mariaconcetta, Arizzi, Giancarlo, Cecchini, Claudio, Ottaviano, Elena, Nicosia, Elena, Grasselli, Giorgia, Allaria, Alberto, Izzotti, Stefano, Rosatto, Emanuela, Ammoni, Danilo, Cereda, Marina Nadia Losio, Barbara, Bertasi, Andrea, Aliscioni, Desdemona, Oliva, Sara, Castiglioni, Silvia, Schiarea, Ettore, Zuccato, Manuela, Antonelli, Arianna, Azzellino, Francesca, Malpei, Andrea, Turolla, Sandro, Binda, Pellegrinelli, Laura, Valeria, Primache, Clementina, Cocuzza, Andrea, Franzetti, Giorgio, Bertanza, Maria Luisa Callegari, Luigi, Bolognini, Fabio, Filippetti, Marta, Paniccia, Francesca, Ciuti, Sara, Briscolini, Silvia, Magi, Michele, Colitti, Carmen, Montanaro, Giuseppe, Aprea, Maria Grazia Cerroni, Bartolomeo, Griglio, Renza, Berruti, Mauro, Cravero, Angela, Costa, Manila, Bianchi, Lucia, Decastelli, Angelo, Romano, Fabio, Zuccon, Elisabetta, Carraro, Cristina, Pignata, Silvia, Bonetta, Giuseppe Di Vittorio, Onofrio, Mongelli, Osvalda De Giglio, Francesca, Apollonio, Francesco, Triggiano, Maria Teresa Montagna, Nicola, Ungaro, Mario, Palermo, Carmelo Massimo Maida, Walter, Mazzucco, Simona De Grazia, Giovanni, Giammanco, Giuseppa, Purpari, Margherita, Ferrante, Antonella, Agodi, Martina, Barchitta, Piergiuseppe, Cala’, Carducci, Annalaura, Verani, Marco, Federigi, Ileana, Giulia, Lauretani, Sara, Muzio, Matteo, Ramazzotti, Alberto, Antonelli, Enrica, Ricci, Giovanni, Santoro, Ermanno, Federici, Maya, Petricciuolo, Sofia, Barigelli, Mauro, Ruffier, Francesca, Borney, Eric, Grange, Florida, Damasco, Francesca, Russo, Gisella, Pitter, Vanessa, Groppi, Franco, Rigoli, Marco, Zampini, Tatjana, Baldovin, Irene, Amoruso, Elena, Mengon, Maria, Cadonna, Mattia, Postinghel, Francesco, Pizzo, Alessandra, Schiavuzzi, Francesca, Cutrupi, Paola, Foladori, Serena, Manara, Lorella, Zago, Alberta, Stenico, Anna-Maria, Prast., La Rosa, G, Iaconelli, M, Veneri, C, Mancini, P, Bonanno Ferraro, G, Brandtner, D, Lucentini, L, Bonadonna, L, Rossi, M, Grigioni, M, Suffredini, E, Bucciarelli, G, Torlontano, P, Aprea, G, La Bianca, M, Cifarelli, R, Palma, A, La Vecchia, G, Lauria, G, Brienza, R, Montenegro, P, D'Argenzio, A, Cossentino, L, Olivares, R, Pizzolante, A, Fusco, G, Tosco, A, Porta, A, Pennino, F, Maria, T, Angelini, P, De Lellis, L, Nasci, D, Alborali, G, Formenti, N, Guarneri, F, Fontani, N, Nani, G, Palumbo, F, Borlone, G, Guercio, M, Gentili, L, Mariuz, M, Trani, G, Pariani, A, Ancona, C, Giorgi, D, Ferrante, I, Monfrinotti, M, Riosa, S, Capparuccini, V, Scicluna, M, Cersini, A, Arizzi, M, Cecchini, G, Ottaviano, C, Nicosia, E, Grasselli, E, Allaria, G, Izzotti, A, Rosatto, S, Ammoni, E, Cereda, D, Losio, M, Bertasi, B, Aliscioni, A, Oliva, D, Castiglioni, S, Schiarea, S, Zuccato, E, Antonelli, M, Azzellino, A, Malpei, F, Turolla, A, Binda, S, Laura, P, Primache, V, Cocuzza, C, Franzetti, A, Bertanza, G, Callegari, M, Bolognini, L, Filippetti, F, Paniccia', M, Ciuti, F, Briscolini, S, Magi, S, Colitti, M, Montanaro, C, Cerroni, M, Griglio, B, Berruti, R, Cravero, M, Costa, A, Bianchi, M, Decastelli, L, Romano, A, Zuccon, F, Carraro, E, Pignata, C, Bonetta, S, Di Vittorio, G, Mongelli, O, De Giglio, O, Apollonio, F, Triggiano, F, Montagna, M, Ungaro, N, Palermo, M, Maida, C, Mazzucco, W, De Grazia, S, Giammanco, G, Purpari, G, Ferrante, M, Agodi, A, Barchitta, M, Cala', P, Carducci, A, Verani, M, Federigi, I, Lauretani, G, Muzio, S, Ramazzotti, M, Antonelli, A, Ricci, E, Santoro, G, Federici, E, Petricciuolo, M, Barigelli, S, Ruffier, M, Borney, F, Grange, E, Damasco, F, Russo, F, Pitter, G, Groppi, V, Rigoli, F, Zampini, M, Baldovin, T, Amoruso, I, Mengon, E, Cadonna, M, Postinghel, M, Pizzo, F, Schiavuzzi, A, Cutrupi, F, Foladori, P, Manara, S, Zago, L, Stenico, A, Prast, A, La Rosa G., Iaconelli M., Veneri C., Mancini P., Bonanno Ferraro G., Brandtner D., Lucentini L., Bonadonna L., Rossi M., Grigioni M., Bucciarelli G., Torlontano P., Aprea G., La Bianca M., Cifarelli R.A., Palma A., La Vecchia G., Lauria G., Brienza R., Montenegro P., D'Argenzio A., Cossentino L., Olivares R., Pizzolante A., Fusco G., Tosco A., Porta A., Pennino F., Maria T., Angelini P., De Lellis L., Nasci D., Alborali G., Formenti N., Guarneri F., Fontani N., Nani G., Palumbo F., Borlone G., Guercio M., Gentili L., Mariuz M., Trani G., Pariani A., Ancona C., Giorgi D.A., Ferrante I., Monfrinotti M., Riosa S., Capparuccini V., Scicluna M.T., Cersini A., Arizzi M., Cecchini G., Ottaviano C., Nicosia E., Grasselli E., Allaria G., Izzotti A., Rosatto S., Ammoni E., Cereda D., Losio M.N., Bertasi B., Aliscioni A., Oliva D., Castiglioni S., Schiarea S., Zuccato E., Antonelli M., Azzellino A., Malpei F., Turolla A., Binda S., Laura P., Primache V., Cocuzza C., Franzetti A., Bertanza G., Callegari M.L., Bolognini L., Filippetti F., Paniccia' M., Ciuti F., Briscolini S., Magi S., Colitti M., Montanaro C., Cerroni M.G., Griglio B., Berruti R., Cravero M., Costa A., Bianchi M., Decastelli L., Romano A., Zuccon F., Carraro E., Pignata C., Bonetta S., Di Vittorio G., Mongelli O., De Giglio O., Apollonio F., Triggiano F., Montagna M.T., Ungaro N., Palermo M., Maida C.M., Mazzucco W., De Grazia S., Giammanco G., Purpari G., Ferrante M., Agodi A., Barchitta M., Cala' P., Carducci A., Verani M., Federigi I., Lauretani G., Muzio S., Ramazzotti M., Antonelli A., Ricci E., Santoro G., Federici E., Petricciuolo M., Barigelli S., Ruffier M., Borney F., Grange E., Damasco F., Russo F., Pitter G., Groppi V., Rigoli F., Zampini M., Baldovin T., Amoruso I., Mengon E., Cadonna M., Postinghel M., Pizzo F., Schiavuzzi A., Cutrupi F., Foladori P., Manara S., Zago L., Stenico A., Prast A.-M., Suffredini E., and Triassi, M

Subjects
Omicron, RT-qPCR, SARS-CoV-2, Sewage, Variant, Wastewater-based epidemiology, Wastewater-Based Epidemiological Monitoring, Environmental Engineering, COVID-19, Wastewater, Pollution, Humans, RNA, Viral, Waste Water, SARS-Cov2, Environmental Chemistry, RNA, Viral, wastewater based epidemiology, Waste Management and Disposal, Human, Omicron, RT-qPCR, SARS-CoV-2, Sewage, Variant, Wastewater-based epidemiology
Abstract

The SARS-CoV-2 Omicron variant emerged in South Africa in November 2021, and has later been identified worldwide, raising serious concerns. A real-time RT-PCR assay was designed for the rapid screening of the Omicron variant, targeting characteristic mutations of the spike gene. The assay was used to test 737 sewage samples collected throughout Italy (19/21 Regions) between 11 November and 25 December 2021, with the aim of assessing the spread of the Omicron variant in the country. Positive samples were also tested with a real-time RT-PCR developed by the European Commission, Joint Research Centre (JRC), and through nested RT-PCR followed by Sanger sequencing. Overall, 115 samples tested positive for Omicron SARS-CoV-2 variant. The first occurrence was detected on 7 December, in Veneto, North Italy. Later on, the variant spread extremely fast in three weeks, with prevalence of positive wastewater samples rising from 1.0% (1/104 samples) in the week 5-11 December, to 17.5% (25/143 samples) in the week 12-18, to 65.9% (89/135 samples) in the week 19-25, in line with the increase in cases of infection with the Omicron variant observed during December in Italy. Similarly, the number of Regions/Autonomous Provinces in which the variant was detected increased from one in the first week, to 11 in the second, and to 17 in the last one. The presence of the Omicron variant was confirmed by the JRC real-time RT-PCR in 79.1% (91/115) of the positive samples, and by Sanger sequencing in 66% (64/97) of PCR amplicons. In conclusion, we designed an RT-qPCR assay capable to detect the Omicron variant, which can be successfully used for the purpose of wastewater-based epidemiology. We also described the history of the introduction and diffusion of the Omicron variant in the Italian population and territory, confirming the effectiveness of sewage monitoring as a powerful surveillance tool.

Published
2022

6. Evaluation of concentration procedures, sample pre-treatment, and storage condition for the detection of SARS-CoV-2 in wastewater.

Author

Cutrupi F, Rossi M, Cadonna M, Poznanski E, Manara S, Postinghel M, Palumbi G, Bellisomi M, Nicosia E, Allaria G, Dondero L, Veneri C, Mancini P, Ferraro GB, Rosa G, Suffredini E, Foladori P, and Grasselli E

Subjects
Humans, Sodium Chloride, Wastewater, Pasteurization, SARS-CoV-2, COVID-19
Abstract

Crucial information on the pandemic's spread has been gathered by monitoring the trend of SARS-CoV-2 in wastewater. This surveillance has highlighted that the initial concentration is a critical step of the analytical procedure due to the low viral titer that may be present in this matrix. This paper presents the results of the evaluation of two different wastewater concentration protocols to determine the most efficient and cost-effective. The two methods tested were the following: (a) a biphasic separation system with PEG-dextran and (b) a PEG/NaCl precipitation protocol. Other aspects of the detection method were also investigated including the influence of storage temperature on virus recovery and the heat treatment of pasteurization, which aims to make samples safer for operators and the environment. The PEG/NaCl precipitation method was found to perform better than the biphasic separation system, allowing for more sensitive identification of the presence of the virus and the detection of a higher viral titer than that identified with the biphasic separation in all results. Storage of the samples at 4.3±0.2°C for up to 3 weeks did not adversely affect the virus titer and the pasteurization pre-treatment increases operator safety and maintains the identification of the viral concentration., (© 2023. The Author(s).)

Published
2023
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7. Innovative In Vitro Strategy for Assessing Aluminum Bioavailability in Oral Care Cosmetics.

Author

Allaria G, De Negri Atanasio G, Filippini T, Robino F, Dondero L, Soggia F, Rispo F, Tardanico F, Ferrando S, Aicardi S, Demori I, Markus J, Cortese K, Zanotti-Russo M, and Grasselli E

Subjects
Biological Availability, Consumer Product Safety, Toothpastes, Aluminum, Cosmetics toxicity
Abstract

Aluminum is an element found in nature and in cosmetic products. It can interfere with the metabolism of other cations, thus inducing gastrointestinal disorder. In cosmetics, aluminum is used in antiperspirants, lipsticks, and toothpastes. The aim of this work is to investigate aluminum bioavailability after accidental oral ingestion derived from the use of a toothpaste containing a greater amount of aluminum hydroxide than advised by the Scientific Committee on Consumer Safety (SCCS). To simulate in vitro toothpaste accidental ingestion, the INFOGEST model was employed, and the amount of aluminum was measured through the ICP-AES analysis. Tissue barrier integrity was analyzed by measuring transepithelial electric resistance, and the tissue architecture was checked through light microscopy. The margin of safety was also calculated. Overall, our results indicate that the acute exposure to aluminum accidentally ingested from toothpastes is safe for the final user, even in amounts higher than SCCS indications.

Published
2022
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