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Plasma Proteins Associated with COVID-19 Severity in Puerto Rico.
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- Author(s): Rosario-Rodríguez, Lester J.; Cantres-Rosario, Yadira M.; Carrasquillo-Carrión, Kelvin; Rosa-Díaz, Alexandra; Rodríguez-De Jesús, Ana E.; Rivera-Nieves, Verónica; Tosado-Rodríguez, Eduardo L.; Méndez, Loyda B.; Roche-Lima, Abiel; Bertrán, Jorge; Meléndez, Loyda M.
- Source:
International Journal of Molecular Sciences; May2024, Vol. 25 Issue 10, p5426, 19p- Subject Terms:
- Source:
- Additional Information
- Subject Terms:
- Abstract: Viral strains, age, and host factors are associated with variable immune responses against SARS-CoV-2 and disease severity. Puerto Ricans have a genetic mixture of races: European, African, and Native American. We hypothesized that unique host proteins/pathways are associated with COVID-19 disease severity in Puerto Rico. Following IRB approval, a total of 95 unvaccinated men and women aged 21–71 years old were recruited in Puerto Rico from 2020–2021. Plasma samples were collected from COVID-19-positive subjects (n = 39) and COVID-19-negative individuals (n = 56) during acute disease. COVID-19-positive individuals were stratified based on symptomatology as follows: mild (n = 18), moderate (n = 13), and severe (n = 8). Quantitative proteomics was performed in plasma samples using tandem mass tag (TMT) labeling. Labeled peptides were subjected to LC/MS/MS and analyzed by Proteome Discoverer (version 2.5), Limma software (version 3.41.15), and Ingenuity Pathways Analysis (IPA, version 22.0.2). Cytokines were quantified using a human cytokine array. Proteomics analyses of severely affected COVID-19-positive individuals revealed 58 differentially expressed proteins. Cadherin-13, which participates in synaptogenesis, was downregulated in severe patients and validated by ELISA. Cytokine immunoassay showed that TNF-α levels decreased with disease severity. This study uncovers potential host predictors of COVID-19 severity and new avenues for treatment in Puerto Ricans. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of International Journal of Molecular Sciences is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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