The adrenergic receptor kinase 1 (ADRBK1), thromboxane A2 receptor (TBXA2R) and vascular endothelial growth factor (VEGFA) regulatory (r) single nucleotide polymorphisms (SNPs) found in the potential stimulating protein-1 (SP1) and Kruppel-like factor-4 (KLF4) transcriptional factor binding sites (TFBS) within these genes are in linkage disequilibrium (LD). The LD may result from rSNP alleles that create TFBS for the KLF4 and SP1 transcriptional factors (TF) since the alternate rSNP alleles do not create these TFBS. Consequently, haplotypes carrying the rSNP alleles that create KLF4 and SP1 TFBS are essential for ADRBK1, TBXA2R and VEGFA gene regulation by these TFs.
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