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Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
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Matrix Gla Protein and Nitric Oxide Synthase-3 Genetic Variants in Chronic Kidney Disease and Their Relation with
G Priyadarshini1, Sreejith Parameswaran2, Jayaprakash Sahoo3
1Department of Biochemistry Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
International Journal of Nephrology
|September 9, 2024
Summary
Genetic variants in the matrix Gla protein (MGP) and nitric oxide synthase-3 (NOS3) genes increase the risk of chronic kidney disease (CKD) and associated cardiovascular disease in South Indian Tamils.
Area of Science:
- Genetics
- Nephrology
- Cardiology
Background:
- Chronic kidney disease (CKD) is characterized by progressive loss of kidney function.
- CKD significantly elevates the risk of cardiovascular events, a link not fully understood.
- Endothelial dysfunction is a key factor in the CKD-cardiovascular disease association.
Purpose of the Study:
- To investigate the association between genetic variants in the MGP and NOS3 genes and the risk of CKD.
- To examine the influence of these genetic variants on cardiovascular comorbidity in CKD patients.
- To explore the relationship between these genetic variants, nitric oxide (NO) levels, and endothelial function.
Main Methods:
- Genotyping of MGP (rs1800801, rs1800802, rs4236) and NOS3 (rs1799983, rs2070744) polymorphisms in 185 CKD patients and 185 controls.
- Measurement of circulating nitric oxide (NO) levels using ELISA.
- Assessment of brachial artery flow-mediated dilatation (FMD) via ultrasound to evaluate endothelial function.
Main Results:
- Specific genotypes of NOS3 (rs2070744) and MGP polymorphisms were significantly associated with an increased risk of CKD.
- Lower NO levels were observed in CKD patients compared to controls.
- Certain MGP and NOS3 genotypes correlated with decreased FMD, indicating endothelial dysfunction.
Conclusions:
- Genetic variations in MGP and NOS3 genes contribute to the risk of developing CKD.
- These genetic factors also appear to enhance the risk of cardiovascular complications in individuals with CKD.
- The study highlights the role of genetic predisposition in the complex interplay between CKD and cardiovascular disease in the South Indian Tamil population.
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