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Cystatin C is associated with adverse COVID-19 outcomes in diverse populations

  • Sam O Kleeman
  • , Mattia Cordioli
  • , Paul R H J Timmers
  • , Atlas Khan
  • , Pinkus Tober-Lau
  • , Florian Kurth
  • , Vadim Demichev
  • , Hannah V Meyer
  • , James F Wilson
  • , Markus Ralser
  • , Krzysztof Kiryluk
  • , Andrea Ganna
  • , Kenneth Baillie
  • , Tobias Janowitz

Research output: Contribution to journal › Article › peer-review

Abstract

COVID-19 has highly variable clinical courses. The search for prognostic host factors for COVID-19 outcome is a priority. We performed logistic regression for ICU admission against a polygenic score (PGS) for Cystatin C (CyC) production in patients with COVID-19. We analyzed the predictive value of longitudinal plasma CyC levels in an independent cohort of patients hospitalized with COVID-19. In four cohorts spanning European and African ancestry populations, we identified a significant association between CyC-production PGS and odds of critical illness (n cases=2,319), with the strongest association captured in the UKB cohort (OR 2.13, 95% CI 1.58-2.87, p=7.12e-7). Plasma proteomics from an independent cohort of hospitalized COVID-19 patients (n cases = 131) demonstrated that CyC production was associated with COVID-specific mortality (p=0.0007). Our findings suggest that CyC may be useful for stratification of patients and it has functional role in the host response to COVID-19.

Original languageEnglish
Article number105040
Number of pages12
JournaliScience
Volume25
Issue number10
Early online date30 Aug 2022
DOIs
Publication statusPublished - 21 Oct 2022

Keywords / Materials (for Non-textual outputs)

  • Virology
  • human metabolism

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