The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness

Introduction: The plasma levels of the cytokine interleukin-6 (IL-6) have been reported to be associated with risk of chronic kidney disease (CKD) and erythropoietin (EPO) responsiveness. The G/C promoter polymorphism of IL-6 is associated with expression and levels of IL-6, so it may confer increas...

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Main Authors: Noha Alnair Abdelrhman, Elshazali Widaa Ali
Format: Article
Language:English
Published: Society of Diabetic Nephropathy Prevention 2022-04-01
Series:Journal of Nephropathology
Subjects:
Online Access:https://nephropathol.com/PDF/jnp-11-e12914.pdf
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author Noha Alnair Abdelrhman
Elshazali Widaa Ali
author_facet Noha Alnair Abdelrhman
Elshazali Widaa Ali
author_sort Noha Alnair Abdelrhman
collection DOAJ
description Introduction: The plasma levels of the cytokine interleukin-6 (IL-6) have been reported to be associated with risk of chronic kidney disease (CKD) and erythropoietin (EPO) responsiveness. The G/C promoter polymorphism of IL-6 is associated with expression and levels of IL-6, so it may confer increased risk to CKD and modulate EPO responsiveness. Objectives: This study aimed to examine the association of IL-6 G/C polymorphism with risk of CKD and EPO hyporesponsiveness. Patients and Methods: A total of 40 haemodialysis patients on EPO therapy, and 30 age- and sexmatched apparently healthy volunteers as a control group were recruited for this study. Blood samples were collected from each participant and used for complete blood count (CBC) using automated haematology analyser and molecular analysis of IL-6 -174 G/C polymorphism using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Results: The results showed that IL-6 GG genotype is the most frequent in patients (82.5%) followed by GC genotype (17.5%), while all subjects of the control group were found to have GG genotype only. There was a statistically significant association between the polymorphism and end-stage CKD (P=0.02). Only 10% of the patients were found to achieve the target haemoglobin level. Although all of them had GG genotype, no association was found between the polymorphism and the achievement of target haemoglobin level (P=0.16). Conclusion: IL-6 G/C polymorphism is significantly associated with CKD, but not with EPO responsiveness in haemodialysis patients.
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spelling doaj.art-dfc3dbea933543e1a67b00b138c8e3d02023-05-13T11:04:09ZengSociety of Diabetic Nephropathy PreventionJournal of Nephropathology2251-83632251-88192022-04-01112e12914e1291410.34172/jnp.2022.12914jnp-12914The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsivenessNoha Alnair Abdelrhman0Elshazali Widaa Ali1Faculty of Medical Laboratory Sciences, El Neelain University, Khartoum, SudanCollege of Applied Medical Sciences, University of Bisha, Bisha, Saudi ArabiaIntroduction: The plasma levels of the cytokine interleukin-6 (IL-6) have been reported to be associated with risk of chronic kidney disease (CKD) and erythropoietin (EPO) responsiveness. The G/C promoter polymorphism of IL-6 is associated with expression and levels of IL-6, so it may confer increased risk to CKD and modulate EPO responsiveness. Objectives: This study aimed to examine the association of IL-6 G/C polymorphism with risk of CKD and EPO hyporesponsiveness. Patients and Methods: A total of 40 haemodialysis patients on EPO therapy, and 30 age- and sexmatched apparently healthy volunteers as a control group were recruited for this study. Blood samples were collected from each participant and used for complete blood count (CBC) using automated haematology analyser and molecular analysis of IL-6 -174 G/C polymorphism using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Results: The results showed that IL-6 GG genotype is the most frequent in patients (82.5%) followed by GC genotype (17.5%), while all subjects of the control group were found to have GG genotype only. There was a statistically significant association between the polymorphism and end-stage CKD (P=0.02). Only 10% of the patients were found to achieve the target haemoglobin level. Although all of them had GG genotype, no association was found between the polymorphism and the achievement of target haemoglobin level (P=0.16). Conclusion: IL-6 G/C polymorphism is significantly associated with CKD, but not with EPO responsiveness in haemodialysis patients.https://nephropathol.com/PDF/jnp-11-e12914.pdfchronic kidney diseaseinterleukin-6 -174 g/c polymorphismerythropoietin responsivenesstarget hemoglobin level
spellingShingle Noha Alnair Abdelrhman
Elshazali Widaa Ali
The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
Journal of Nephropathology
chronic kidney disease
interleukin-6 -174 g/c polymorphism
erythropoietin responsiveness
target hemoglobin level
title The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
title_full The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
title_fullStr The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
title_full_unstemmed The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
title_short The association of interleukin-6 (−174 G/C) polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
title_sort association of interleukin 6 174 g c polymorphism with risk of chronic kidney disease and erythropoietin hyporesponsiveness
topic chronic kidney disease
interleukin-6 -174 g/c polymorphism
erythropoietin responsiveness
target hemoglobin level
url https://nephropathol.com/PDF/jnp-11-e12914.pdf
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