Genetic Influences of ICAM-1 Gene in Type 1 Diabetes and Diabetic Nephropathy
Author Information
Author(s): Ma J, Möllsten A, Prázny M, Falhammar H, Brismar K, Dahlquist G, Efendic S, Gu H F
Primary Institution: Diabetes Center Karolinska, Department of Molecular Medicine and Surgery, Karolinska University Hospital, Karolinska Institute, Stockholm, Sweden
Hypothesis
The study aims to evaluate the genetic influence of ICAM-1 gene polymorphisms on the development of Type 1 diabetes and diabetic nephropathy.
Conclusion
The study provided evidence that specific SNPs in the ICAM-1 gene are associated with susceptibility to Type 1 diabetes and may also relate to diabetic nephropathy.
Supporting Evidence
- SNPs rs281432(C/G) and rs5498 E469K(A/G) were significantly associated with T1D.
- T1D patients had increased frequency of the common haplotype C-A compared to non-diabetic controls.
- Genotyping was confirmed using both DASH and pyrosequencing methods.
Takeaway
Scientists studied genes to see if they affect the risk of getting Type 1 diabetes and kidney problems. They found that certain gene changes are linked to these conditions.
Methodology
Five SNPs were genotyped in 432 T1D patients and 187 non-diabetic controls using dynamic allele-specific hybridization and pyrosequencing.
Limitations
The sample size for T1D patients with nephropathy was relatively limited, which may affect the results.
Participant Demographics
All participants were Swedish Caucasians, including 432 T1D patients (234 women and 198 men) and 187 non-diabetic controls (71 men and 116 women).
Statistical Information
P-Value
P = 0.026 for rs281432; P < 0.001 for rs5498
Confidence Interval
95% CI 1.138–2.376 for rs281432; 95% CI 1.588–3.800 for rs5498
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website