Expression pattern of human MAFG transcripts in various tissues and cell lines. (A) MAFG mRNA expression in human adult and fetal tissues. Northern blots were prepared by Clontech with approximately 2 μg of poly(A)⁺ RNA from each tissue. The identities of the tissues are shown at the top of each lane; “P. Blood Leukocytes” indicates “peripheral blood leukocytes.” RNA size markers are shown on the left. (B) RT-PCR amplification of total RNA from mouse fetal liver (d15), mouse cell lines (MEL, CB3, MC8), and human cell lines (HEL, Dami). Each RNA sample was processed with (+) and without (−) RT. Arrows on the right indicate specific human (356 bp) and mouse (283 bp) MafG amplification products. DNA size markers are shown on the left.