SDF1 Gene Variation and Endothelial Progenitor Cells
Author Information
Author(s): Xiao Qingzhong, Ye Shu, Oberhollenzer Friedrich, Mayr Agnes, Jahangiri Marjan, Willeit Johann, Kiechl Stefan, Xu Qingbo
Primary Institution: King's College London BHF Centre
Hypothesis
Is there a relationship between SDF1 gene variation, plasma SDF-1alpha level, and the number and function of circulating endothelial progenitor cells (EPCs)?
Conclusion
SDF1 gene variation influences SDF1α level and circulating EPC number, with plasma SDF1α level being a predictor of EPC number.
Supporting Evidence
- SDF1α levels were correlated with age, gender, and other health markers.
- EPC number was inversely associated with SDF1α level.
- The SDF1 gene rs2297630 SNP A/A genotype was linked to increased SDF1α level and lower EPC number.
- Plasma SDF1α level was shown to have predictive value for EPC number.
Takeaway
This study found that changes in a specific gene can affect the levels of a protein in the blood, which in turn can predict how many special cells that help blood vessels grow are in the body.
Methodology
The study genotyped individuals for SNPs in the SDF1 and CXCR4 genes and measured blood SDF1α levels and EPC numbers.
Potential Biases
Potential biases related to self-reported data on lifestyle factors.
Limitations
The study may not account for all factors influencing EPC numbers, and the definition of EPCs can vary.
Participant Demographics
Residents of the Bruneck area in Italy, with a sample size of 826.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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