ArticleMycopathologia2013
Patients with chronic-form paracoccidioidomycosis present high serum levels of IgE anti-paracoccidioides brasiliensis Gp70.
Article in Mycopathologia, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- Unraveling the Nano World in Paracoccidioidomycosis: Promising Applications of Nanotechnology in Diagnosis, Treatment, and Vaccines: A Mini Review.Current microbiology · 2025Review
- Challenges in Serologic Diagnostics of Neglected Human Systemic Mycoses: An Overview on Characterization of New Targets.Pathogens (Basel, Switzerland) · 2022Review
- Distinct Pattern of Paracoccidioides lutzii, P. restrepiensis and P. americana Antigens Recognized by IgE in Human Paracoccidioidomycosis.Current microbiology · 2021Article
- High interleukin-4 expression and interleukin-4 gene polymorphisms are associated with susceptibility to human paracoccidioidomycosis.Memorias do Instituto Oswaldo Cruz · 2015Article
- rPbPga1 from Paracoccidioides brasiliensis Activates Mast Cells and Macrophages via NFkB.PLoS neglected tropical diseases · 2015Article
- Paracoccidioides brasiliensis and P. lutzii antigens elicit different serum IgG responses in chronic paracoccidioidomycosis.Mycopathologia · 2013Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Paracoccidioidomycosis (PCM) is a disease caused by the Paracoccidioides genus, which includes P. brasiliensis and the new phylogenetic species P. lutzii. Resistance to this infection has been correlated with a Th1 pattern of cellular immune response, while susceptibility is correlated to an intense humoral immune response with an increase in IgE levels. Serum levels of IgE and IgG anti-gp70 and anti-exoantigen in chronic PCM were analyzed by enzyme-linked immunosorbent assay. Results showed a higher gp70 concentration in somatic antigen (SA) than in cell-free antigen (CFA) preparation and significantly higher levels of IgE and IgG anti-gp70 in chronic PCM patients' serum (n = 12) than in normal human serum (n = 12) (p < 0.05). Pearson's correlation analysis showed a strong correlation between IgG and IgE anti-gp70 (r = 0.8424). Additionally, IgE purified from a pool of acute and chronic PCM patient's serum was analyzed by immunoblotting. The patients with the acute form of the disease showed strong bands for gp43 and gp70 in SA but only for gp43 in CFA. In patients with the chronic form, solely the gp43 band was observed. In conclusion, we found that SA is a better source of gp70 than CFA is, and chronic PCM patients show high levels of IgE anti-gp70. This finding suggests that the Th2 immune response is potentially induced by gp70 in PCM disease, which calls for further study.
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