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Published on: November 10, 2021
Association of proinflammatory cytokines with end stage renal disease
Gaurav Tripathi1, Minal Borkar, Ariz Akhter
1Department of Urology, Chatrapati Sahuji Maharaj Medical University, Lucknow, India.
Context:
Cytokines play an important role in the pathogenesis of kidney disease and its progression to ESRD. Macrophage migration inhibitory factor (MIF) is a proinflammatory cytokine that is released by macrophages and lymphocytes and interferon-gamma (IFN-gamma) plays an important pathogenetic role in several inflammatory diseases.
Objectives:
We have explored the role of MIF -173 G/C, INF-gamma +874 A/T and INF-gamma CA repeat microsatellite gene polymorphisms as a susceptibility for ESRD.
Participants And Methods:
We genotyped MIF and IFN-gamma gene polymorphisms in 258 patients with ESRD and 569 healthy controls free of any renal disease using PCR-RFLP, gene sequencing and gene scanning methods.
Results:
The frequency of high producer MIF -173 CC genotype was higher (10.1%) in ESRD than in controls (1.2%) (p=0.0001, OR=8.9; 95%CI=3.8-21.0). It was observed that there was significant differences in the genotype frequencies of the IFN-gamma +874 A/T at genotypic as well as at allelic level (p=0.0023 and p=0.001) among patients and controls. A significant difference was found in the frequency distribution between the two groups at IFN-gamma CA microsatellite polymorphism (p=0.0001) (CA(17))/(CA(17)). Combined analysis revealed a higher risk ( approximately 9-fold) in ESRD patients with high MIF -173 G/C and high INF-gamma +874 A/T protein producing phenotypes.
Conclusions:
These results highlight the role of MIF and IFN-gamma in ESRD disease.
Insights
Genetic variations in macrophage migration inhibitory factor (MIF) and interferon-gamma (IFN-gamma) are linked to end-stage renal disease (ESRD) susceptibility. High-producing genotypes of these cytokines significantly increase ESRD risk.
Area of Science:
- Immunogenetics
- Nephrology
- Molecular Biology
Background:
- Cytokines, including macrophage migration inhibitory factor (MIF) and interferon-gamma (IFN-gamma), are implicated in kidney disease pathogenesis.
- MIF and IFN-gamma are key proinflammatory cytokines involved in inflammatory diseases.
Purpose of the Study:
- To investigate the association between MIF -173 G/C, IFN-gamma +874 A/T, and IFN-gamma CA repeat microsatellite gene polymorphisms and susceptibility to end-stage renal disease (ESRD).
Main Methods:
- Genotyping of MIF and IFN-gamma polymorphisms in 258 ESRD patients and 569 healthy controls.
- Utilized polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), gene sequencing, and gene scanning techniques.
Main Results:
- Higher frequency of high-producer MIF -173 CC genotype (10.1%) in ESRD patients compared to controls (1.2%) (OR=8.9).
- Significant differences in genotype and allelic frequencies for IFN-gamma +874 A/T and IFN-gamma CA microsatellite polymorphisms between ESRD patients and controls.
- Combined analysis indicated an approximately 9-fold increased risk for ESRD in patients with high MIF and IFN-gamma producing phenotypes.
Conclusions:
- The study highlights the significant role of MIF and IFN-gamma gene polymorphisms in the susceptibility to end-stage renal disease.
- These findings underscore the importance of MIF and IFN-gamma in the inflammatory pathways contributing to ESRD development.
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