Method:Strept avidin biotin complex method (SABC) and ELISA were respectly used to detect the expression of Fas antigen (mFas) in bone marrow cells and that of soluble Fas (sFas) in plasma in 36 ALL patients and 10 normal volunteers.

• 方法：分别用免疫组化SABC法和双抗夹心ELISA 法，检测36 例ALL患者和10 例正常对照组骨髓细胞Fas 抗原（m Fas）表达以及血浆可溶性Fas（sFas）的水平。