Acute Protein Responses Control SARS-CoV-2-specific Neurocognitive and General Post-Viral Sequelae
Liou, T. G.; Andrews, R. J.; Bass, B. L.; Battey, H.; Buonfiglio, L. G. V.; Cahill, B. C.; Cox, J. E.; Gibson, S.; Hartsell, S. C.; Hatton, N.; Hazel, M.; Helms, M. N.; Jensen, J. L.; Kartsonaki, C.; Kupfer, J.; Li, Y.; Lopes, F. B. T. P.; Manuel, A.; Marchetti, M.; Marvin, J. E.; Middleton, E. A.; Mimche, P.; Packer, K. A.; Paine, R.; Szczesniak, R. D.; Sturrock, A. B.; Tandar, A.; Tarbet, B.; Ulrich, A.; Warner, D.; Warren, K.; Weis, A. M.; Zimmerman, E.; Yoon, S.; Ownbey, M.; Youngquist, S. T.; Adler, F. R.
Show abstract
Post-acute infection syndromes (PAIS) follow viral syndromes including post-acute sequelae of COVID19 (PASC) which complicates 10-25% of SARS-CoV-2 infections. These syndromes lack precise explanatory mechanisms. We studied 173 human saliva proteomes during respiratory viral syndromes, seeking associations between 44 clinically-relevant protein expression patterns and subsequent sequelae counts. Exploratory models adjusted by extensive clinical annotations found interactions between 23 acutely-responsive proteins and SARS-CoV-2 infection that inversely predicted subsequent neurocognitive sequelae. An overlapping 19 acutely-responsive proteins during any acute respiratory viral syndrome inversely predicted general fatigue-related sequelae. Altogether, 29 proteins, derived from interferon stimulated genes (ISG), were uniformly beneficial, including 13 predictive of both neurocognitive and general sequelae. The proteins suggested both shared early pathobiology and virus-specific protective responses that shaped resolution of acute disease and different PAIS. Acutely elevated protective ISG proteins associated with reduced post-viral symptoms identify investigational starting points for novel mechanisms, diagnostics and therapeutics for PASC and PAIS.
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