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Figure 5 Relative messenger ribonucleic acid (mRNA) levels of chemokine receptor (CCR) 1 (A), CCR5 (B) and CXCR1 (C) in mononuclear blood cells from 20 patients with chronic heart failure before and after six months (mo) of treatment with intravenous immunoglobulin (IVIg) (n = 10) or placebo (n = 10). As for CCR1 (p < 0.001) and CCR5 (p < 0.01), there were also differences in changes between the two groups. Horizontal lines indicate mean values; n.s. = not significant. rpL32 = ribosomal protein L32.