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High interleukin-4 expression and interleukin-4 gene polymorphisms are associated with susceptibility to human paracoccidioidomycosis

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, September 2015
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Title
High interleukin-4 expression and interleukin-4 gene polymorphisms are associated with susceptibility to human paracoccidioidomycosis
Published in
Memórias do Instituto Oswaldo Cruz, September 2015
DOI 10.1590/0074-02760150197
Pubmed ID
Authors

Mônica Sawan Mendonça, Terezinha S Peraçolli, Mário León Silva-Vergara, Sílvio C Ribeiro, Rafael Faria Oliveira, Rinaldo Poncio Mendes, Virmondes Rodrigues

Abstract

Paracoccidioidomycosis (PCM) is caused by dimorphic fungi from theParacoccidioides brasiliensis complex. Previous studies have demonstrated that the severity of disease is associated with a T-helper 2 immune response characterised by high interleukin (IL)-4 production. In the present study we analysed two polymorphisms in the IL-4gene (-590 C/T and intron-3 microsatellite) in 76 patients with PCM and 73 control subjects from an endemic area. The production of IL-4 by peripheral blood mononuclear cells after antigen or phytohaemagglutinin stimulation was determined by ELISA. A significant correlation was observed between the RP2/RP2 intron-3 genotype and infection with Paracoccidioides sp.(p = 0.011), whereas the RP1/RP1 genotype was correlated with resistance. No significant correlation was observed for the IL-4promoter polymorphism. Furthermore, the low IL-4 expression observed in the control group compared with patients was associated with the RP1/RP1 genotype. These results suggest that IL-4polymorphisms might be associated with the ability of the host to control Paracoccidioides sp.infection. The relevance of this polymorphism is supported by the observation that patients with disease produce high levels of IL-4 following mitogen or antigen stimulation. The IL-4gene is located in the cytokine cluster region of chromosome 5 where other polymorphisms have also been described.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Professor 5 15%
Student > Bachelor 5 15%
Professor > Associate Professor 4 12%
Student > Ph. D. Student 3 9%
Researcher 3 9%
Other 6 18%
Unknown 8 24%
Readers by discipline Count As %
Immunology and Microbiology 14 41%
Biochemistry, Genetics and Molecular Biology 3 9%
Agricultural and Biological Sciences 3 9%
Medicine and Dentistry 3 9%
Decision Sciences 1 3%
Other 1 3%
Unknown 9 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 November 2015.
All research outputs
#22,759,452
of 25,374,647 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#1,299
of 1,502 outputs
Outputs of similar age
#237,476
of 276,791 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#10
of 17 outputs
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