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. 2014 Nov 19;34(12):2554–2562. doi: 10.1161/ATVBAHA.114.304717

Figure 3.

Figure 3.

The antiapoptotic effect of CX3C chemokine fractalkine (CX3CL1) is independent of CX3CR1 genotype. Genomic DNA was isolated from a subgroup of donors used in Figure 1C and genotyped for the 2 nonsynonymous single-nucleotide polymorphisms (SNPs) V249I and T280M in CX3CR1 using a polymerase chain reaction–based allelic discrimination assay. Only the 3 most common haplotypes were identified, and the response to CX3CL1 was analyzed by genotype. For each donor in each experiment, the response to serum-starvation was normalized to 100% and the effect of CX3CL1 expressed as a fraction of this to minimize technical variation between experiments. Data shown as mean±SEM, n=34 donors. No significant difference between genotypes was detected using 1-way ANOVA. AAD indicates 7-aminoactinomycin D.