This extra supply of asparagine helps leukemic cells survive treatment with asparaginase, a drug that normally would deplete their supply of this vital nutrient.

• 天冬酰胺酶通常是用来阻断白血病细胞的这种重要的营养供应的药物，但是这些额外的天冬酰胺帮助白血病细胞在天冬酰胺酶的作用下存活了下来。