Evidence map›Paper›PMID 40434116›Full record

ArticleThe Journal of infectious diseases2025

Single-Cell Targeted Transcriptomics Reveals Subset-Specific Immune Signatures Differentiating Asymptomatic and Cardiac Patients With Chronic Chagas Disease.

Thaiany G Souza-Silva, Amanda Figueiredo, Katia L P Morais, Juliana Apostólico, Alexandre Pantaleao, Antônio Mutarelli, Silvana Silva Araújo, Maria do Carmo Pereira Nunes, Kenneth J Gollob, Walderez O Dutra

Abstract read
In one paragraph

Article in The Journal of infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

10 authors.

Thaiany G Souza-SilvaLaboratório Biologia das Interações Celulares, Departamento Morfologia, Instituto de Ciências Biológicas, Belo Horizonte, Minas Gerais, Brazil.ORCID 0000-0002-1068-0156
Amanda FigueiredoCenter for Research in Immuno-Oncology, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil.ORCID 0000-0002-4759-6679
Katia L P MoraisCenter for Research in Immuno-Oncology, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil.
Juliana ApostólicoCenter for Research in Immuno-Oncology, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil.
Alexandre PantaleaoDepartamento Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
Antônio MutarelliDepartamento Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
Silvana Silva AraújoDepartamento Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
Maria do Carmo Pereira NunesDepartamento Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.ORCID 0000-0001-8801-1828
Kenneth J GollobCenter for Research in Immuno-Oncology, Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil.
Walderez O DutraLaboratório Biologia das Interações Celulares, Departamento Morfologia, Instituto de Ciências Biológicas, Belo Horizonte, Minas Gerais, Brazil.ORCID 0000-0002-7586-9996

Funding

Role of CD4-CD8- DN T cells in Chagas CardiomyopathyR01AI138230 · NIAID · FOUNDATION FOR RESEARCH DEVELOPMENT · PI DUTRA, WALDEREZ O. · 2018 to 2021
$540k
Conselho Nacional de Desenvolvimento Científico e TecnológicoInstituto Nacional de Ciência e Tecnologia em Doenças TropicaisNIAID NIH HHS R01 AI138230NIH HHS 5R01AI138230-04
6 · The paper itself

Abstract

backgroundHuman infection with Trypanosoma cruzi leads to Chagas disease, which induces profound changes in the immune response across different cell subsets, influencing parasite control and disease pathology. Dissecting the functional characteristics of distinct immune cells in patients with the asymptomatic (indeterminate, IND) or the cardiac (CCC) clinical forms is crucial for unveiling mechanisms of disease progression and pathology, and identifying disease markers.

methodsImmune-gene targeted single-cell RNA sequencing was applied to peripheral blood mononuclear cells obtained from patients with IND and CCC to unravel the immune landscape in these polar, well-characterized, clinical groups.

resultsOur findings revealed different myeloid and lymphoid cell clusters in the cohorts, each exhibiting unique gene expression patterns. CCC was characterized by an increased frequency of KLRB1+CD4+, TBX21+CD8+ T cells, and NK cells, which exhibited upregulation of genes associated with cytotoxic and apoptotic responses. Furthermore, we observed monocyte, B-cell subsets, along with dendritic cells, expressing inflammatory and notably cytotoxic genes.

conclusionsThese results reveal cell-specific changes in patients with CCC compared to IND chronic Chagas disease, highlighted by distinct gene expression patterns. These nuanced changes indicate an immune signature linked to the clinical forms of chronic Chagas disease, which provide information regarding disease pathology, indicating potential markers related to the disease progression.

Indexed as

Chagas CardiomyopathyChagas DiseaseTranscriptomeAdultAgedChronic DiseaseFemaleGene Expression ProfilingHumansKiller Cells, NaturalLeukocytes, MononuclearMaleMiddle AgedSingle-Cell AnalysisTrypanosoma cruzicardiomyopathyChagas diseaseimmune cell subsetsimmunologic markerssingle-cell transcriptome analyses

Identifiers

PMID40434116
PMCPMC12718005

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.