Heart failure & cardiomyopathies

Transpulmonary Proteome Gradients Identify Pathways Involved in Pulmonary Vascular Disease Due To Heart Failure

Circ Heart FailPublished Mechanistic study

Authors' conclusion

The lungs of patients with HF with high PVR display abnormal uptake and release of proinflammatory cytokines from IL6/gp130 family (IL6, IL33, oncostatin-M), along with increased transpulmonary uptake of GDF2/BMP9.

Study context

Population
Patients with HFrEF undergoing pulmonary artery catheterization, and controls160 HFrEF, 21 controls
Participants
21 / 40 / 40
Comparison
High pulmonary vascular resistance (PVR) vs low PVR HFrEF vs controls
  • Controlsn = 21reference
  • Q1n = 40
  • Q4n = 40
Outcome
Transpulmonary gradients of proteins (Olink proximity extension assay, 275 proteins) to identify mediators of PVD

Main finding

As reported in the abstract

High PVR heart failure (HF): significant transpulmonary uptake of proteins, mostly inflammation-associated (chemokines, oncostatin-M, MMP9) or TGF/activin pathway (GDF2/BMP9)

18

High PVR HF: release of proteins, notably IL6 and IL33

5

Original publication

Transpulmonary Proteome Gradients Identify Pathways Involved in Pulmonary Vascular Disease Due To Heart Failure. Circ Heart Fail. Published 23 September 2025. doi:10.1161/circheartfailure.125.013208

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