Abstract:
:Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of an ongoing pandemic that has infected over 36 million and killed over 1 million people. Informed implementation of government public health policies depends on accurate data on SARS-CoV-2 immunity at a population scale. We hypothesized that detection of SARS-CoV-2 salivary antibodies could serve as a noninvasive alternative to serological testing for monitoring of SARS-CoV-2 infection and seropositivity at a population scale. We developed a multiplex SARS-CoV-2 antibody immunoassay based on Luminex technology that comprised 12 CoV antigens, mostly derived from SARS-CoV-2 nucleocapsid (N) and spike (S). Saliva and sera collected from confirmed coronavirus disease 2019 (COVID-19) cases and from the pre-COVID-19 era were tested for IgG, IgA, and IgM to the antigen panel. Matched saliva and serum IgG responses (n = 28) were significantly correlated. The salivary anti-N IgG response resulted in the highest sensitivity (100%), exhibiting a positive response in 24/24 reverse transcription-PCR (RT-PCR)-confirmed COVID-19 cases sampled at >14 days post-symptom onset (DPSO), whereas the salivary anti-receptor binding domain (RBD) IgG response yielded 100% specificity. Temporal kinetics of IgG in saliva were consistent with those observed in blood and indicated that most individuals seroconvert at around 10 DPSO. Algorithms employing a combination of the IgG responses to N and S antigens result in high diagnostic accuracy (100%) by as early as 10 DPSO. These results support the use of saliva-based antibody testing as a noninvasive and scalable alternative to blood-based antibody testing.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Pisanic N,Randad PR,Kruczynski K,Manabe YC,Thomas DL,Pekosz A,Klein SL,Betenbaugh MJ,Clarke WA,Laeyendecker O,Caturegli PP,Larman HB,Detrick B,Fairley JK,Sherman AC,Rouphael N,Edupuganti S,Granger DA,Granger SW,Colldoi
10.1128/JCM.02204-20subject
Has Abstractpub_date
2020-12-17 00:00:00issue
1eissn
0095-1137issn
1098-660Xpii
JCM.02204-20journal_volume
59pub_type
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.42.11.5349-5352.2004
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.30.9.2235-2240.1992
更新日期:1992-09-01 00:00:00
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.17.3.436-444.1983
更新日期:1983-03-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.25.6.982-986.1987
更新日期:1987-06-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.30.8.2084-2087.1992
更新日期:1992-08-01 00:00:00
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.18.2.258-269.1983
更新日期:1983-08-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.43.3.1304-1308.2005
更新日期:2005-03-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.29.4.712-717.1991
更新日期:1991-04-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.35.9.2320-2324.1997
更新日期:1997-09-01 00:00:00
abstract::Multilocus variable-number tandem-repeat analysis (MLVA) for seven genomic loci was developed for Enterococcus faecalis. MLVA and pulsed-field gel electrophoresis (PFGE) resulted in 37 and 31 genotypes among 83 strains, respectively. Both typing schemes were highly concordant (90.4%). MLVA is an excellent alternative ...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.42.10.4879-4881.2004
更新日期:2004-10-01 00:00:00
abstract::Sputum obtained from patients with cystic fibrosis (CF) is highly viscous and often heterogeneous in bacterial distribution. Adding dithiothreitol (DTT) is the standard method for liquefaction prior to processing sputum for molecular detection assays. To determine if DTT treatment homogenizes the bacterial distributio...
journal_title:Journal of clinical microbiology
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更新日期:2014-07-01 00:00:00