Background & Objectives: Identifying the bacteria causing the infection and interacting with the immune system is too essential. RAGE is a receptor, which recognizes several endogenous and exogenous molecules and CXCL11 participates in the induction of appropriate i
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Background & Objectives: Identifying the bacteria causing the infection and interacting with the immune system is too essential. RAGE is a receptor, which recognizes several endogenous and exogenous molecules and CXCL11 participates in the induction of appropriate immune responses against microbes. The aim of the study was expression of the molecules in the patients suffering from septicemia versus healthy controls. Materials and Methods: In this case-control study, the expression levels of RAGE and CXCL11 in 40 patients with septicemia and 40 healthy subjects, were evaluated using Real time-PCR technique. Diagnosis of septicemia was performed by blood culture and bacterial biochemical tests. Results: RAGE mRNA levels were significantly increased in patients infected with Pseudomonas aeruginosa compared with Escherichia coli, Staphylococcus aureus and Acinetobacter bamanii. However, no significant increase in CXCL11 expression level was observed in patients and healthy controls and also in comparison with bacteria causing infection. Conclusion: Results showed that RAGE is a critical receptor against Pseudomonas aeruginosa during septicemia, Therefore, methods to reduce the expression of RAGE molecules can play a practical role in cleansing the blood from this bacterium.
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