ArticleFrontiers in immunology2022
Blood DNA methylation marks discriminate Chagas cardiomyopathy disease clinical forms.
Article in Frontiers in immunology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Integrated Methylome and Transcriptome Analysis in Chronic Chagas Cardiomyopathy Uncovers Alterations in Heart Development.The Journal of infectious diseases · 2026Article
- DNA Methylation as a Programmable Information Layer: From Molecular Marks to Disease State Engineering.International journal of molecular sciences · 2026Review
- The Role of Immunogenetics in the Host-Parasite Interaction of Chagas Disease: Implications for Personalized Medicine.Tropical medicine and infectious disease · 2025Review
- Epigenetics of cardiomyopathies: the next frontier.Heart failure reviews · 2025Review
- Clinical features of Chagas disease progression and severity.Lancet regional health. Americas · 2024Review
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Authors and funding
32 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chagas disease is a parasitic disease from South America, affecting around 7 million people worldwide. Decades after the infection, 30% of people develop chronic forms, including Chronic Chagas Cardiomyopathy (CCC), for which no treatment exists. Two stages characterized this form: the moderate form, characterized by a heart ejection fraction (EF) ≥ 0.4, and the severe form, associated to an EF < 0.4. We propose two sets of DNA methylation biomarkers which can predict in blood CCC occurrence, and CCC stage. This analysis, based on machine learning algorithms, makes predictions with more than 95% accuracy in a test cohort. Beyond their predictive capacity, these CpGs are located near genes involved in the immune response, the nervous system, ion transport or ATP synthesis, pathways known to be deregulated in CCCs. Among these genes, some are also differentially expressed in heart tissues. Interestingly, the CpGs of interest are tagged to genes mainly involved in nervous and ionic processes. Given the close link between methylation and gene expression, these lists of CpGs promise to be not only good biomarkers, but also good indicators of key elements in the development of this pathology.
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