Figure 9

RT-PCR of beta-actin mRNA from pulmonary carcinoma with primer sets A (for amplicons of 548-bp) and B (for amplicons of 156-bp). F: traditional formalin-fixed and paraffin-embedded tissue; U: ultrasound-facilitated formalin-fixed tissue; FC: F without reverse transcription; UC: U without reverse transcription; C: water only; M: DNA marker.