CRP Gene Variants and Chronic Kidney Disease
Author Information
Author(s): Adriana M Hung, T Alp Ikizler, Marie R Griffin, Kimberly Glenn, Robert A Greevy, Carlos G Grijalva, Edward D Siew, Dana C Crawford
Primary Institution: Vanderbilt University
Hypothesis
CRP gene polymorphisms are associated with chronic kidney disease (CKD) progression.
Conclusion
The CRP gene variant rs2808630 is associated with CKD, particularly through its link to albuminuria in non-Hispanic blacks.
Supporting Evidence
- CRP rs2808630 AG genotype was associated with CKD in non-Hispanic blacks.
- The study included a large, ethnically diverse sample.
- Adjusted odds ratios indicated a significant association between the AG genotype and CKD.
- Findings support previous research linking CRP variants to kidney disease.
- Albuminuria was identified as a key risk factor for CKD progression.
- Statistical significance was maintained after Bonferroni correction.
- Participants with CKD had higher prevalence of diabetes and hypertension.
- Genetic predisposition to inflammation may influence CKD risk.
Takeaway
This study found that a specific gene variant is linked to kidney disease in some people, especially in African Americans.
Methodology
Data from 5955 participants in NHANES III was analyzed to assess the association between CRP polymorphisms and CKD.
Potential Biases
Potential bias due to the population-based sample design and exclusion of certain demographics.
Limitations
The study's cross-sectional design limits the ability to assess disease progression, and a single creatinine measurement may misclassify participants.
Participant Demographics
Participants included non-Hispanic blacks, non-Hispanic whites, and Mexican Americans, with a mean age of 42 years.
Statistical Information
P-Value
0.001
Confidence Interval
95% CI 1.65-5.8
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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