effect of As ODN on ppET 1 mRNA expression of GMC was measured by semi quantitative reverse transcription polymerase chain reaction (RT PCR);

• 用半定量反转录聚合酶链反应 (reversetranscription polymerasechainreaction ,RT PCR)检测寡核苷酸链对GMC的 ppET 1mRNA表达的影响 ;