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Deciphering the Role of Sirtuin-1 Gene Polymorphism in Diabetic Nephropathy: A Systematic Review and Meta-Analysis
Hira Moin1, Munazza Asad1, Maaz Waseem2
1Department of Physiology, NUST School of Health Sciences, National University of Sciences and Technology (NUST), H-12 Sector, Islamabad, Pakistan, nust.edu.pk.
Certain Sirtuin-1 gene (SIRT1) polymorphisms, specifically rs7895833 and rs2273773, are linked to a higher risk of diabetic nephropathy. These findings highlight SIRT1 variants as potential genetic markers for identifying individuals at increased risk.
Area of Science:
- Genetics and Molecular Biology
- Metabolic Diseases
- Renal Medicine
Background:
- Sirtuin-1 (SIRT1) is crucial for metabolic and inflammatory regulation.
- Diabetic nephropathy (DN) is a significant complication of diabetes.
- Understanding genetic predispositions to DN is vital for risk stratification.
Purpose of the Study:
- To evaluate the association between SIRT1 gene polymorphisms and diabetic nephropathy susceptibility.
- To synthesize evidence from observational studies using meta-analysis.
- To identify specific SIRT1 variants linked to increased DN risk.
Main Methods:
- Systematic review and meta-analysis of observational-cohort and case-control studies.
- Data extraction adhering to PRISMA 2020 guidelines.
- Quality assessment using the Newcastle-Ottawa Scale and meta-analysis with a random-effects model.
Main Results:
- SIRT1 polymorphisms rs7895833 (OR: 2.71) and rs2273773 (OR: 1.51) showed significant association with increased DN risk.
- rs7069102 was not significantly associated with DN risk (OR: 1.12).
- Subgroup analyses revealed stronger associations in Chinese and Indian populations, indicating ethnic variations.
Conclusions:
- SIRT1 polymorphisms, particularly rs7895833 and rs2273773, are significantly associated with diabetic nephropathy susceptibility.
- These findings support the potential of SIRT1 variants as genetic markers for DN risk stratification.
- Further research may refine understanding of population-specific genetic influences on DN.
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