Single-Cell and Plasma Proteomics Do Not Differentiate Patients With and Without SARS-CoV-2 Antigenemia in Convalescence in a Cohort of 100 Patients.

Single-Cell and Plasma Proteomics Do Not Differentiate Patients With and Without SARS-CoV-2 Antigenemia in Convalescence in a Cohort of 100 Patients.

Publication date: Sep 01, 2025

Plasma samples obtained approximately 3 (n = 100) and 12 months (n = 78) after acute SARS-CoV-2 infection were tested for S1, spike, and N antigens. There were no significant differences in plasma proteins or single-cell protein expression levels on immune cells between those with and without plasma antigen detected.

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Concepts Keywords
Antigenemia antigen persistence
Convalescence long COVID
Months proteomics
Proteomics SARS-CoV-2
spike

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