Natural polyclonality of spontaneous AKR leukemia and its consequences for so-called specific immunotherapy.
Natural polyclonality of spontaneous AKR leukemia and its consequences for so-called specific immunotherapy.
复制标题
自发性 AKR 白血病的天然多克隆性及其对所谓特异性免疫治疗的影响。
DOI:
10.1093/jnci/62.3.623
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发表时间:
1979
期刊:
影响因子:
--
通讯作者:
P. Ebbesen
中科院分区:
文献类型:
--
作者:
L. Olsson;P. Ebbesen
Young female AKR mice made leukemic by iv inoculation of 10(3) spontaneous AKR thymoma cells were treated with repeated injections of irradiated cells from the same tumor. Treatment began 1 day after injection of the viable cells. The cytotoxicity of sera and lymphoid cells from healthy mice immunized with lymphoma cells from either treated or nontreated mice with leukemia grafts revealed that the tumor cells could be subdivided into four distinct antigenic types. One type (clone A) accounted for about 97% of the lymphoma cells in each mouse with spontaneous leukemia, whereas the remaining 3% were subdivided into three other distinct antigenic types (clones B, C, and D). Lymphoma cells from treated mice with grafted leukemia were never clone A type but either clone B, C, or D type. Repeated sc injections of 10(7) irradiated cells from spontaneous AKR thymomas induced from 15 to 34% cure in mice with grafts of leukemia cells. Treatment with only clone A induced about 32% cure, whereas treatment with clone B, C, or D had no beneficial effect. Treatment with 10(7) cells each of clone A plus clone B gave 33% cure; clone A plus clone B plus clone C, 45%; and all four clones cured 92% of the mice with leukemia grafts. The efficiency of immunotherapy may be influenced by the natural clonality of the tumor to be treated.