论文部分内容阅读
1953年Kidd氏发现豚鼠血清可以抑制癌肿生长。1961年Broome氏认为豚鼠血清的制癌因子为L—天门冬酰胺酶(以下简称门冬酶)。1964年Mashb-urn氏等从大肠杆菌中提取了门冬酶。大肠杆菌门冬酶有二种:EC-1、EC-2,已确定后者有抗癌作用。自从发现可自大肠杆菌中提取门冬酶后,酶的制剂
In 1953 Kidd’s found guinea pig serum can inhibit the growth of cancer. Broome’s 1961 that Guinea pig serum cancer factor L-asparaginase (hereinafter referred to as the door enzyme). In 1964, Mashb-urn’s and others extracted aspartic enzymes from Escherichia coli. Escherichia coli asparagine enzyme has two kinds: EC-1, EC-2, it has been determined that the latter has anti-cancer effect. Formulations of enzymes since the discovery that they can be isolated from E. coli