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1. Whole-Genome Sequencing of hMPXV1 in five Italian cases confirms the occurrence of the predominant epidemic lineage

Author

Forni, D, Moltrasio, C, Sironi, M, Mozzi, A, Quattri, E, Venegoni, L, Zamprogno, M, Citterio, A, Clerici, M, Marzano, A, Cagliani, R, Forni, Diego, Moltrasio, Chiara, Sironi, Manuela, Mozzi, Alessandra, Quattri, Eleonora, Venegoni, Luigia, Zamprogno, Marzia, Citterio, Andrea, Clerici, Mario, Marzano, Angelo Valerio, Cagliani, Rachele, Forni, D, Moltrasio, C, Sironi, M, Mozzi, A, Quattri, E, Venegoni, L, Zamprogno, M, Citterio, A, Clerici, M, Marzano, A, Cagliani, R, Forni, Diego, Moltrasio, Chiara, Sironi, Manuela, Mozzi, Alessandra, Quattri, Eleonora, Venegoni, Luigia, Zamprogno, Marzia, Citterio, Andrea, Clerici, Mario, Marzano, Angelo Valerio, and Cagliani, Rachele

Abstract

The ongoing outbreak of monkeypox virus (hMPXV1) is the largest recorded in historically nonendemic countries. Genomic surveillance has emerged as a pivotal tool to track the spread and monitor the evolution of viral pathogens. Therefore, to assess the genetic diversity of circulating hMPXV1 in northern Italy in June to July 2022, we sequenced and analyzed five complete genomes of viruses sampled from patients presenting with a typical course of hMPXV1 infection. Phylogenetic analysis confirmed that all five genomes belong to the predominant epidemic lineage (B.1). Inspection of genetic changes and comparison with the reference sequence showed the presence of 12 nucleotide substitutions. Seven are nonsynonymous mutations leading to amino acid changes in six proteins belonging to different functional classes. Moreover, 11 of these 12 nucleotide mutations involve GA>AA or TC>TT replacements, suggesting that host APOBEC3 enzymes are responsible for the generation of substitutions in circulating viruses. Finally, metagenomic analysis evidenced bacterial superinfection (Streptococcus pyogenes) in one patient. Through this study, we contributed to expand the number of complete genomes of viruses circulating in Italy and characterize them as belonging to the predominant outbreak lineage.

Published
2023

2. Monkeypox: an Italian, multicenter study of 104 cases

Author

Maronese, C, Ramoni, S, Avallone, G, Giacalone, S, Quattri, E, Gaspari, V, Rapparini, L, Robuffo, S, Delmonte, S, Merli, M, Tutone, M, Facci, G, Carugno, A, Parietti, M, Latini, A, Giuliani, E, Sena, P, Ribero, S, Quaglino, P, Piraccini, B, Marzano, A, Maronese, Carlo Alberto, Ramoni, Stefano, Avallone, Gianluca, Giacalone, Serena, Quattri, Eleonora, Gaspari, Valeria, Rapparini, Luca, Robuffo, Silvia, Delmonte, Sergio, Merli, Martina, Tutone, Marco, Facci, Giulia, Carugno, Andrea, Parietti, Michele, Latini, Alessandra, Giuliani, Eugenia, Sena, Paolo, Ribero, Simone, Quaglino, Pietro, Piraccini, Bianca Maria, Marzano, Angelo Valerio, Maronese, C, Ramoni, S, Avallone, G, Giacalone, S, Quattri, E, Gaspari, V, Rapparini, L, Robuffo, S, Delmonte, S, Merli, M, Tutone, M, Facci, G, Carugno, A, Parietti, M, Latini, A, Giuliani, E, Sena, P, Ribero, S, Quaglino, P, Piraccini, B, Marzano, A, Maronese, Carlo Alberto, Ramoni, Stefano, Avallone, Gianluca, Giacalone, Serena, Quattri, Eleonora, Gaspari, Valeria, Rapparini, Luca, Robuffo, Silvia, Delmonte, Sergio, Merli, Martina, Tutone, Marco, Facci, Giulia, Carugno, Andrea, Parietti, Michele, Latini, Alessandra, Giuliani, Eugenia, Sena, Paolo, Ribero, Simone, Quaglino, Pietro, Piraccini, Bianca Maria, and Marzano, Angelo Valerio

Published
2023

4. Case report: A case of anti-laminin 332 mucous membrane pemphigoid associated with severe pharyngolaryngeal involvement.

Author

Quattri E, Zussino M, Lauro W, Berti E, Marzano AV, and Genovese G

Abstract

A 74-year-old woman presented with a 30-day history of blisters and erosions in the oral cavity, trunk, and left eye conjunctival mucosa, also reporting a weight loss of 15 kg in the last 3 months. Histopathological examination showed subepidermal blisters and lymphocytic infiltrates with rare eosinophils in the superficial dermis. Direct immunofluorescence showed linear deposits of IgG and C3 along the dermal-epidermal junction and salt-split skin indirect immunofluorescence confirmed the presence of linear deposits of IgG along the blister floor. Indirect immunofluorescence revealed antibodies against laminin 332 using recombinant laminin 332 expressed in human HEK293 cells, and commercial ELISA kits (Euroimmun, Padova, Italy) did not reveal antibodies against BP230 and BP180 antigens. Anti-laminin 332 mucous membrane pemphigoid (MMP), a condition often associated with a hidden neoplasm, was diagnosed. In our case, the paraneoplastic nature of MMP was excluded. Thus, topical treatment with triamcinolone acetonide 0.1% in orabase once daily for 30 days, oral prednisone 0.75 mg/kg/day and rituximab were started to relieve symptoms. Conjunctival, nasal and oral erosions improved, as well as skin lesions, but later the patient was tracheotomized due to respiratory distress linked to the appearance of pharyngolaryngeal synechiae., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Quattri, Zussino, Lauro, Berti, Marzano and Genovese.)

Published
2022
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5. Mohs micrographic surgery: the experience of the dermatology unit of the university of Milan confirms the superiority over traditional surgery in high-risk non-melanoma skin cancers.

Author

Nazzaro G, Minuti A, Quattri E, and Passoni E

Abstract

The constant increase in the incidence of non-melanoma skin cancers (NMSC) makes their treatment a topic of paramount interest. Because most NMSC tend to develop in visible areas such as the headneck area, it is a priority to choose the less destructive therapy and more appropriate reconstructive technique. Mohs Micrographic Surgery (MMS) represents the treatment of choice for skin tumors in critical sites, recurrent tumors and tumors with aggressive histologic features. We collected patients affected by NMSC who underwent MMS at the Dermatology Unit of IRCCS Fondazione Ca' Granda, Milan, in the period March 2017-December 2021. One hundred and fifty-nine patients were enrolled in this retrospective observational study. The excision margins were chosen based on a dermoscopic evaluation. The main histological diagnoses were basal cell carcinoma (145, 91.2%) and squamous cell carcinoma (10, 6.3%), in areas with high functional or anatomical value. 121 out of 159 surgeries did not require further enlargement after the removal of the clinically and dermoscopically visible lesion, but in 38 cases (23.9% of cases) the pathologist required at least one subsequent enlargement, due to the persistence of neoplasm at the bottom or at the margins of the lesion. Only one recurrence has been reported so far. MMS is a pathology-controlled surgery with high intrinsic value because of the low risk of recurrences and should be routinely adopted for high-risk NMSC., Competing Interests: Conflict of interest: The authors declare no potential conflict of interest., (©Copyright: the Author(s).)

Published
2022
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