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Deprecated: Implicit conversion from float 229.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Rep+Med 2020 ; 1 (7): 100123 Nephropedia Template TP
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ReScan, a Multiplex Diagnostic Pipeline, Pans Human Sera for SARS-CoV-2 Antigens #MMPMID32995758
Zamecnik CR; Rajan JV; Yamauchi KA; Mann SA; Loudermilk RP; Sowa GM; Zorn KC; Alvarenga BD; Gaebler C; Caskey M; Stone M; Norris PJ; Gu W; Chiu CY; Ng D; Byrnes JR; Zhou XX; Wells JA; Robbiani DF; Nussenzweig MC; DeRisi JL; Wilson MR
Cell Rep Med 2020[Oct]; 1 (7): 100123 PMID32995758show ga
Comprehensive understanding of the serological response to SARS-CoV-2 infection is important for both pathophysiologic insight and diagnostic development. Here, we generate a pan-human coronavirus programmable phage display assay to perform proteome-wide profiling of coronavirus antigens enriched by 98 COVID-19 patient sera. Next, we use ReScan, a method to efficiently sequester phage expressing the most immunogenic peptides and print them onto paper-based microarrays using acoustic liquid handling, which isolates and identifies nine candidate antigens, eight of which are derived from the two proteins used for SARS-CoV-2 serologic assays: spike and nucleocapsid proteins. After deployment in a high-throughput assay amenable to clinical lab settings, these antigens show improved specificity over a whole protein panel. This proof-of-concept study demonstrates that ReScan will have broad applicability for other emerging infectious diseases or autoimmune diseases that lack a valid biomarker, enabling a seamless pipeline from antigen discovery to diagnostic using one recombinant protein source.