Association of genetic variations in ACE2, TIRAP and factor X with outcomes in COVID-19

Marissa J M Traets*, Roel H T Nijhuis, Servaas A Morré, Sander Ouburg, Jasper A Remijn, Bastiaan A Blok, Bas de Laat, Eefje Jong, Gerarda J M Herder, Aernoud T L Fiolet, Stephan P Verweij

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), can manifest with varying disease severity and mortality. Genetic predisposition influences the clinical course of infectious diseases. We investigated whether genetic polymorphisms in candidate genes ACE2, TIRAP, and factor X are associated with clinical outcomes in COVID-19.

METHODS: We conducted a single-centre retrospective cohort study. All patients who visited the emergency department with SARS-CoV-2 infection proven by polymerase chain reaction were included. Single nucleotide polymorphisms in ACE2 (rs2285666), TIRAP (rs8177374) and factor X (rs3211783) were assessed. The outcomes were mortality, respiratory failure and venous thromboembolism. Respiratory failure was defined as the necessity of >5 litres/minute oxygen, high flow nasal oxygen suppletion or mechanical ventilation.

RESULTS: Between March and April 2020, 116 patients (35% female, median age 65 [inter quartile range 55-75] years) were included and treated according to the then applicable guidelines. Sixteen patients (14%) died, 44 patients (38%) had respiratory failure of whom 23 required endotracheal intubation for mechanical ventilation, and 20 patients (17%) developed venous thromboembolism. The percentage of TIRAP polymorphism carriers in the survivor group was 28% as compared to 0% in the non-survivor group (p = 0.01, Bonferroni corrected p = 0.02). Genotype distribution of ACE2 and factor X did not differ between survivors and non-survivors.

CONCLUSION: This study shows that carriage of TIRAP polymorphism rs8177374 could be associated with a significantly lower mortality in COVID-19. This TIRAP polymorphism may be an important predictor in the outcome of COVID-19.

Original languageEnglish
Article numbere0260897
Number of pages12
JournalPLOS ONE
Volume17
Issue number1
DOIs
Publication statusPublished - 7 Jan 2022

Keywords

  • Aged
  • Angiotensin-Converting Enzyme 2/genetics
  • COVID-19/epidemiology
  • Cohort Studies
  • Factor X/genetics
  • Female
  • Genetic Predisposition to Disease/genetics
  • Genotype
  • Humans
  • Male
  • Membrane Glycoproteins/genetics
  • Middle Aged
  • Netherlands/epidemiology
  • Polymorphism, Single Nucleotide/genetics
  • Receptors, Interleukin-1/genetics
  • Retrospective Studies
  • SARS-CoV-2/genetics
  • Severity of Illness Index
  • Treatment Outcome

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