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The Methylation Profile of IFN-and#947;, SOCS1 and SOCS3 Promoter Regions in End-Stage Renal Disease | OMICS International | Abstract
ISSN: 2153-0602

Journal of Data Mining in Genomics & Proteomics
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Research Article

The Methylation Profile of IFN-γ, SOCS1 and SOCS3 Promoter Regions in End-Stage Renal Disease

Maivel Ghattas1, Fatma El-shaarawy2, Noha Mesbah3 and Dina Abo-Elmatty3*

1Department of Medical Biochemistry, Faculty of Medicine, Port Said University, Port said, Egypt

2Department of Biochemistry, Faculty of Pharmacy and Pharmaceutical industries, Sinai University, North Sinai, Egypt

3Department of Biochemistry, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt

*Corresponding Author:
Dina Abo-Elmatty
Department of Biochemistry
Faculty of Pharmacy
Suez Canal University, Ismailia, Egypt
Fax: +20643230741
E-mail: [email protected]

Received Date: July 24, 2013; Accepted Date: October 23, 2013; Published Date: October 26, 2013

Citation: Ghattas M, El-shaarawy F, Mesbah N, Abo-Elmatty D (2013) The Methylation Profile of IFN-γ, SOCS1 and SOCS3 Promoter Regions in End-Stage Renal Disease. J Data Mining Genomics Proteomics 4:144. doi:10.4172/2153-0602.1000144

Copyright: © 2013 Ghattas M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


End-stage renal disease (ESRD) is a state of chronic inflammation. DNA methylation is a major epigenetic modification that has the potential to silence gene expression. IFN-γ and suppressor of cytokine signaling (SOCS) are essential modulators of inflammation. The current study aimed to determine the methylation status of IFN-γ, SOCS1 and SOCS3 promoter regions in DNA isolated from peripheral blood of ESRD patients and controls, in order to correlate this methylation status with the clinical features of ESRD. Ninety six ESRD patients and 96 healthy ethnically, age and gender matched controls were included in the study. The promoter methylation of the studied genes was assessed using the methylation-specific polymerase chain reaction (MSP). Most of our samples were positive for IFN-γ promoter methylation. Full unmethylation was observed only in the ESRD group (7.3%), and statistical difference was observed among groups (P=0.02). IFN-γ unmethylation was associated to a decrease in estimated glomerular filtration rate (eGFR) and an increase in both serum creatinine and total cholesterol levels. For SOCS1 promoter methylation, partial and full methylation were observed only in ESRD patients (5.2% and 2.1%, respectively); however no methylation was detected in controls (P=0.014). SOCS3 promoter methylation was not detected in either the patient or control group. In conclusion, the methylation profile of IFN-γ and SOCS1 promoter regions play an important role in the pathogenesis of ESRD. The present study highlights the role of epigenetics in disease progression.


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