B7-H6 mRNA levels positively correlate with HDAC3 levels in follicular lymphoma and HCC. B7-H6 mRNA expression was quantified by qRT-PCR in samples of (A) FL (n = 10), DLBCL (n = 16), MCL (n = 4), MZL (n = 3), LPL and SLL (each n = 2), normal lymph node or spleen tissue (n = 6) as well as (B) HCCs (n = 27) and normal liver tissues (n = 3). The mean (expression of B7-H6 relative to GAPDH and HDAC3 relative to β-actin) ± standard error of the mean is shown. The statistical significance determined by the Mann-Whitney test with *P ≤ .05 is indicated. (C-D) Correlation between B7-H6 and HDAC3 transcript levels of samples analyzed in A and B. Mean (log₁₀-transformed expression relative to GAPDH or β-actin) is shown for each sample. The statistical significance and r squared as determined by Pearson correlation are indicated.