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Published on: October 5, 2015
Inflammatory and immunogenetic markers in correlation with pulmonary tuberculosis
Beatriz Lima Alezio Muller1, Daniela Maria de Paula Ramalho2, Paula Fernanda Gonçalves dos Santos1
1Federal University of Rio de Janeiro, School of Medicine Clementino Fraga Filho, University Hospital, Rio de Janeiro, Brazil.
Genetic markers and inflammatory responses in tuberculosis patients can predict treatment success. Specific cytokine gene variations and acute phase reactants like ESR and CRP are key indicators.
Area of Science:
- Immunology and Infectious Diseases
- Genetics and Molecular Biology
Background:
- Pulmonary tuberculosis (TB) remains a significant global health challenge.
- Understanding host immune responses and genetic factors is crucial for effective TB management.
Purpose of the Study:
- To investigate serum cytokine levels (IL-10, TNF-α, IFN-γ) and their gene polymorphisms in TB patients.
- To correlate these with acute inflammatory markers and treatment response.
Main Methods:
- A descriptive, longitudinal study of 81 pulmonary TB patients.
- Assessed sociodemographic data, cytokine serum levels, gene polymorphisms, C-reactive protein (CRP), ESR, and CD4+ counts.
- Evaluated bacteriological conversion at 8 weeks.
Main Results:
- High ESR correlated with high IFN-γ and low IL-10 serum levels.
- Specific IL-10 gene polymorphisms (-592, -819) associated with low IL-10 levels.
- Negative association found between bacteriological conversion and CRP levels.
Conclusions:
- Genetic markers and acute inflammatory response markers show potential for predicting TB treatment outcomes.
- Further research into these markers could refine therapeutic strategies.
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