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Figure 1 Serum levels of soluble CD40 ligand (sCD40L) were significantly higher in carriers of the 807T allele both during the acute phase of myocardial infarction (MI) and one year after the event in the same subjects, compared with 807CC homozygotes. Although sCD40L level was increased in all genotypes during the acute phase of MI compared with the values one year after the event, the increase in 807T carriers was greater than the increase in 807CC homozygotes (p < 0.05). Levels of sCD40L were similar between the genotypes in the control group. Solid bars = carriers of the 807T allele (807TT + 807CT); open bars = 807CC homozygotes. *p < 0.01 vs. CC; p < 0.01 vs. acute phase (after Bonferroni correction); p < 0.01 vs. controls (after Bonferroni correction).