Heart failure & cardiomyopathies

Ethnic Differences in Protein Biomarkers of Peripartum Cardiomyopathy: A Proteomic Study on the EURObservational Research Programme (EORP) Cohort

ESC Heart FailPublished Proteomic study

Authors' conclusion

QSOX1, ADIPOQ and ITIH3 exhibited consistent expressions across ethnic groups

Study context

Population
Women with peripartum cardiomyopathy (PPCM) in the EURObservational Research Programme
Participants
82 women7 countries
Exposure
Serum biomarker profiles across self-reported ethnic groups
Outcome
Ethnic differences in serum biomarker profiles (principal component analysis (PCA) clustering by ethnicity)
Follow-up
At diagnosis
Methodological detailsmultinational registry cohort, 7 countries, EORP registry, Ethnicity self-reported, DIA-based label-free LC-MS proteomics; Spectronaut v15
  • Multinational registry cohort
  • 7 countries
  • EORP registry
  • Ethnicity self-reported
  • DIA-based label-free LC-MS proteomics; Spectronaut v15

Main finding

As reported in the abstract

Clustering by ethnicity on PCA

Variance explained by PC1

15.2%

Variance explained by PC2

12.0%

Observational data: associations, not effects.

Further findings

Baseline characteristics

Mean age (years)
30.5 ± 6.7
No hypertension during pregnancy
75%
Median LVEF (IQR 27.0-41.1), no ethnic differences
35%
More severe LV dilatation in Middle Eastern women

Original publication

Ethnic Differences in Protein Biomarkers of Peripartum Cardiomyopathy: A Proteomic Study on the EORP Cohort. ESC Heart Fail. Published 4 September 2025. doi:10.1002/ehf2.15419

Composed by AI from the published abstract and checked against it. How Briefs are made →

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