Methods:The PBMC from acte GVHD(aGVHD)following al-lo-BMT was analyzed for IL-2mRNA and IL-6mRNA 1evel with cytohybridyzation in situ technique. Integrated optical density(IOD) was measured.

• 方法：采用细胞原位杂交方法，对骨髓移植后发生急性GVHD患者的外周血单个核细胞检测其IL－2和IL－6的表达水平，测定积分光密度值。