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Shared and Distinct Genomics of Chronic Thromboembolic Pulmonary Hypertension and Pulmonary Embolism

  • James Liley
  • , Michael Newnham
  • , Marta Bleda
  • , Katherine Bunclark
  • , William Auger
  • , Joan Albert Barbera
  • , Harm Bogaard
  • , Marion Delcroix
  • , Timothy M. Fernandes
  • , Luke Howard
  • , David Jenkins
  • , Irene Lang
  • , Eckhard Mayer
  • , Chris Rhodes
  • , Michael Simpson
  • , Laura Southgate
  • , Richard Trembath
  • , John Wharton
  • , Martin R. Wilkins
  • , Stefan Gräf
  • Nicholas Morrell, Joanna Pepke Zaba, Mark Toshner*
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Rationale: Chronic thromboembolic pulmonary hypertension involves the formation and nonresolution of thrombus, dysregulated inflammation, angiogenesis, and the development of a small-vessel vasculopathy.

Objectives: We aimed to establish the genetic basis of chronic thromboembolic pulmonary hypertension to gain insight into its pathophysiological contributors.

Methods: We conducted a genome-wide association study on 1,907 European cases and 10,363 European control subjects. We coanalyzed our results with existing results from genome-wide association studies on deep vein thrombosis, pulmonary embolism, and idiopathic pulmonary arterial hypertension.

Measurements and Main Results: Our primary association study revealed genetic associations at the ABO, FGG, F11, MYH7B, and HLA-DRA loci. Through our coanalysis, we demonstrate further associations with chronic thromboembolic pulmonary hypertension at the F2, TSPAN15, SLC44A2, and F5 loci but find no statistically significant associations shared with idiopathic pulmonary arterial hypertension.

Conclusions: Chronic thromboembolic pulmonary hypertension is a partially heritable polygenic disease, with related though distinct genetic associations with pulmonary embolism and deep vein thrombosis.

Original languageEnglish
Pages (from-to)1477-1485
Number of pages9
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume209
Issue number12
Early online date12 Mar 2024
DOIs
Publication statusPublished - 15 Jun 2024

Bibliographical note

Publisher Copyright: Copyright © 2024 by the American Thoracic Society.

Keywords

  • genome-wide association study
  • pulmonary arterial hypertension
  • venous thromboembolism

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine

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