ArticleRevista do Instituto de Medicina Tropical de Sao Paulo2025
Higher T-bet and IFN-γ expression in advanced chagasic megaesophagus indicates Th1 response in the chronic phase.
Article in Revista do Instituto de Medicina Tropical de Sao Paulo, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Review
- Unraveling the cytokine profile in acute Chagas disease in the Brazilian Amazon: Insights before and after treatment.PLoS neglected tropical diseases · 2026Article
- Cardiac and Digestive Forms of Chagas Disease: An Update on Pathogenesis, Genetics, and Therapeutic Targets.Mediators of inflammation · 2025Review
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Authors and funding
5 authors.
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Abstract
Myenteric plexus injury is responsible for the morpho-functional alterations observed in chagasic megaesophagus (CME). The inflammatory response, characterized by elevated synthesis of IFN-γ, TNF-α, and IL-4, contributes to the persistence of parasitism and inflammation. This study assessed the mRNA expression of cytokines, transcription factors, and metalloproteases in subjects with CME. From 2011 to 2017, esophageal samples were collected from 54 subjects with CME (38 advanced and 16 nonadvanced) and eight subjects with idiopathic megaesophagus (IME). The quantitative mRNA expression of TNF-α, IFN-γ, IL-4, IL-10, IL-17, IL-22, IL-23, IL-27, T-bet, ROR-γT, GATA-3, MMP-1, MMP-2, and TIMP-3 genes was analyzed using SYBR Green systems. T-bet expression was significantly higher in the CME group compared to the IME group and the GATA-3 and ROR-γT expression in the CME group, corroborating the higher IFN-γ expression observed in subjects with advanced CME. The increased T-bet and IFN-γ expression in advanced CME reflects the maintenance of a Th1 response in situ and the morpho-functional changes seen in the organ.
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