Method:The fragement of Bcr abl fusion gene was amplified from K562 cells of CML by RT PCR and was cloned into the downstream of GST gene in pGEX 6P 1 vector according to the current open reading frame.

• 方法 :以慢性粒细胞白血病 (CML)K5 6 2细胞株总RNA作为模板 ,采用RT PCR方法扩增包含Bcr abl(b3a2 )融合位点周围的基因片段。