The drug Gleevec, for example, was designed to inhibit an enzyme produced by a mutant fused version of two genes, called BCR-ABL, that causes chronic myelogenous leukemia.

• 以基利克（Gleevec）这个药物为例。基利克的设计是用来抑制某个造成慢性骨髓性白血症的酵素活性；该酵素是由BCR-ABL这两个基因混合而成的突变版本所生成。