eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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2/2018
vol. 43
 
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abstract:
Clinical immunology

Basic inflammatory indices and chosen neutrophil receptors expression in chronic haemodialysed patients

Zbigniew Baj
,
Zbigniew Zbróg
,
Adam Szuflet
,
Sylwia Mańka
,
Piotr Bartnicki
,
Ewa Majewska

(Centr Eur Immunol 2018; 43 (2): 168-173)
Online publish date: 2018/06/30
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Aim of the study
End stage renal disease (ESRD) patients on chronic haemodialysis (HD) are immuno-compromised and prone to infection. Toll-like receptors (TLRs) play a role as both primary sensors of pathogen invasion and activators of inflammatory reaction. To test if the immune impairment in HD patients is connected with the defective expression of the neutrophil TLRs, we aimed to examine their expression and chosen inflammatory indices.

Material and methods
We tested CD14, TLR4, and TLR9 expressions on neutrophils using flow cytometry. Soluble CD14, C-reactive protein (CRP), and mannose-binding lectin (MBL) concentrations were tested using the ELISA method in 31 ESRD patients on chronic haemodialysis programs and in 17 healthy control subjects.

Results
Neutrophil TLR4 and TLR9 expressions did not differ significantly compared to the controls. The ESRD patients had markedly increased CRP and sCD14 levels alongside decreased MBL concentrations and neutrophil CD14 expression. The TLR4 expression correlated well with both TLR9 and CD14 neutrophil expressions; however, the increased CRP in the blood did not correlate with the MBL concentration or TLR expression.

Conclusions
The chronic program of haemodialysis and biochemical disorders in ESRD patients result in a low-grade chronic inflammation with no significant impact on the expression of neutrophil TLR4 and TLR9.

keywords:

inflammation, toll-like receptors, innate immunity, neutrophils, haemodialysis

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