Abstract
Familial Hypercholesterolemia (FH) is characterized by elevated cholesterol and based on biochemical, clinical, and genetic studies and FH disease, which was documented even with limited mutations. Earlier studies focused on Apolipoprotein E (ApoE) in variable diseases. The current study aimed to investigate the genetic association between FH disease and ApoE gene polymorphisms (rs429358 and rs7412) in the Saudi population. This case-control study was a hospital-based study performed in Saudi Arabia. Two hundred and four subjects in total were recruited and consisted of FH participants (n=104) and the controls (n=100). Common polymorphisms of ApoE gene (rs429358 and rs7412) were chosen and subjected to the genotyping using the TaqMan assay. Moreover, the ApoE risk allele E4 was proved significantly associated with FH cases when compared with controls (OR-2.24 (95%CI: 1.06-4.70); p=0.02). Lipid profile parameters were significantly associated (p<0.05); however, the ApoE alleles and lipid profiles were not correlated (p>0.05). In conclusion, the FH case-control study was associated with the E4 allele in the Saudi population. However, E4 allele was appeared as a reliable risk marker for lipid profiles, but not for ApoE alleles.
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