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Expression of activin subunits and activin receptors in human adipose tissue analyzed by microarray (A) and ALK7 expression analyzed by real-time PCR (B). (A) For each gene, the expression in subcutaneous (scAT) and omental adipose tissue (omAT) relative to the mean expression level in 65 reference tissues (dashed line) is shown. (B) ALK7 gene expression in human adipose tissue (mean ± SEM, n = 3) and adipocytes (mean ± SEM, n = 3) compared with other human tissues.
