Abstract
Acute Lymphoblastic Leukemia (ALL) is the cancer with the highest incidence in the age group of 3 to 5 years. Therapy for the treatment of ALL utilizes, among other drugs, the bacterial L-asparaginase enzyme of Escherichia coli (Ec_ASNase) and as a second option that of D. chrysanthemi (Er_ASNase). Immunogenic reactions are the major side effects related to ASNase use, and the formation o…