Salivary glands are a target for SARS- CoV- 2: a source for saliva contamination
dc.contributor.author | Matuck, Bruno Fernandes | |
dc.contributor.author | Dolhnikoff, Marisa | |
dc.contributor.author | Duarte‐neto, Amaro Nunes | |
dc.contributor.author | Maia, Gilvan | |
dc.contributor.author | Gomes, Sara Costa | |
dc.contributor.author | Sendyk, Daniel Isaac | |
dc.contributor.author | Zarpellon, Amanda | |
dc.contributor.author | Andrade, Nathalia Paiva | |
dc.contributor.author | Monteiro, Renata Aparecida | |
dc.contributor.author | Pinho, João Renato Rebello | |
dc.contributor.author | Gomes‐gouvêa, Michele Soares | |
dc.contributor.author | Souza, Suzana COM | |
dc.contributor.author | Kanamura, Cristina | |
dc.contributor.author | Mauad, Thais | |
dc.contributor.author | Saldiva, Paulo Hilário Nascimento | |
dc.contributor.author | Braz‐silva, Paulo H | |
dc.contributor.author | Caldini, Elia Garcia | |
dc.contributor.author | Silva, Luiz Fernando Ferraz | |
dc.date.accessioned | 2021-07-01T20:11:18Z | |
dc.date.available | 2022-08-01 16:11:10 | en |
dc.date.available | 2021-07-01T20:11:18Z | |
dc.date.issued | 2021-07 | |
dc.identifier.citation | Matuck, Bruno Fernandes; Dolhnikoff, Marisa; Duarte‐neto, Amaro Nunes ; Maia, Gilvan; Gomes, Sara Costa; Sendyk, Daniel Isaac; Zarpellon, Amanda; Andrade, Nathalia Paiva; Monteiro, Renata Aparecida; Pinho, João Renato Rebello ; Gomes‐gouvêa, Michele Soares ; Souza, Suzana COM; Kanamura, Cristina; Mauad, Thais; Saldiva, Paulo Hilário Nascimento ; Braz‐silva, Paulo H ; Caldini, Elia Garcia; Silva, Luiz Fernando Ferraz (2021). "Salivary glands are a target for SARS- CoV- 2: a source for saliva contamination." The Journal of Pathology 254(3): 239-243. | |
dc.identifier.issn | 0022-3417 | |
dc.identifier.issn | 1096-9896 | |
dc.identifier.uri | https://hdl.handle.net/2027.42/168288 | |
dc.description.abstract | The ability of the new coronavirus SARS- CoV- 2 to spread and contaminate is one of the determinants of the COVID- 19 pandemic status. SARS- CoV- 2 has been detected in saliva consistently, with similar sensitivity to that observed in nasopharyngeal swabs. We conducted ultrasound- guided postmortem biopsies in COVID- 19 fatal cases. Samples of salivary glands (SGs; parotid, submandibular, and minor) were obtained. We analyzed samples using RT- qPCR, immunohistochemistry, electron microscopy, and histopathological analysis to identify SARS- CoV- 2 and elucidate qualitative and quantitative viral profiles in salivary glands. The study included 13 female and 11 male patients, with a mean age of 53.12- years (range 8- 83- years). RT- qPCR for SARS- CoV- 2 was positive in 30 SG samples from 18 patients (60% of total SG samples and 75% of all cases). Ultrastructural analyses showed spherical 70- 100- nm viral particles, consistent in size and shape with the Coronaviridae family, in the ductal lining cell cytoplasm, acinar cells, and ductal lumen of SGs. There was also degeneration of organelles in infected cells and the presence of a cluster of nucleocapsids, which suggests viral replication in SG cells. Qualitative histopathological analysis showed morphologic alterations in the duct lining epithelium characterized by cytoplasmic and nuclear vacuolization, as well as nuclear pleomorphism. Acinar cells showed degenerative changes of the zymogen granules and enlarged nuclei. Ductal epithelium and serous acinar cells showed intense expression of ACE2 and TMPRSS receptors. An anti- SARS- CoV- 2 antibody was positive in 8 (53%) of the 15 tested cases in duct lining epithelial cells and acinar cells of major SGs. Only two minor salivary glands were positive for SARS- CoV- 2 by immunohistochemistry. Salivary glands are a reservoir for SARS- CoV- 2 and provide a pathophysiological background for studies that indicate the use of saliva as a diagnostic method for COVID- 19 and highlight this biological fluid’s role in spreading the disease. © 2021 The Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. | |
dc.publisher | John Wiley & Sons, Ltd | |
dc.subject.other | autopsy | |
dc.subject.other | COVID- 19 | |
dc.subject.other | infection control | |
dc.subject.other | salivary gland | |
dc.subject.other | RT- PCR, SARS- CoV- 2 | |
dc.subject.other | saliva | |
dc.title | Salivary glands are a target for SARS- CoV- 2: a source for saliva contamination | |
dc.type | Article | |
dc.rights.robots | IndexNoFollow | |
dc.subject.hlbsecondlevel | Pathology | |
dc.subject.hlbtoplevel | Health Sciences | |
dc.description.peerreviewed | Peer Reviewed | |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/168288/1/path5679_am.pdf | |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/168288/2/path5679.pdf | |
dc.identifier.doi | 10.1002/path.5679 | |
dc.identifier.source | The Journal of Pathology | |
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dc.working.doi | NO | en |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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