Anti-idiotype immunization of cancer patients: modulation of the immune response.

Anti-idiotype immunization of cancer patients: modulation of the immune response.
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癌症患者的抗独特型免疫:免疫反应的调节。

DOI:
10.1073/pnas.84.22.8055
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发表时间:
1987
影响因子:
11.1
通讯作者:
Scriba,M
Scriba,M
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Herlyn,D;Wettendorff,M;Schmoll,E;Iliopoulos,D;Schedel,I;Dreikhausen,U;Raab,R;Ross,AH;Jaksche,H;Scriba,M

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用明矾沉淀的抗结直肠癌单克隆抗体CO 17 -1A(Ab 1)的多克隆山羊抗独特型抗体(Ab 2)治疗30例晚期结直肠癌(CRC)患者,剂量为0.5 ~ 4 mg/注射。所有患者都产生了抗抗独特型抗体(Ab 3),其在培养的肿瘤细胞表面的结合特异性与Ab 1的特异性相似。此外,Ab 3与Ab 1竞争结合CRC细胞。从CRC细胞洗脱血清免疫球蛋白后获得的含Ab 3的血清的级分结合纯化的肿瘤抗原并抑制Ab 2与Ab 1的结合。因此,Ab 3可能与Ab 1共享独特表位。免疫治疗后,6例患者显示部分临床缓解,7例患者显示转移停止。具有可测量的临床应答的13名患者中的4名接受了单独的Ab 2,而9名患者还接受了化疗。
Thirty patients with advanced colorectal carcinoma (CRC) were treated with alum-precipitated polyclonal goat anti-idiotypic antibodies (Ab2) to monoclonal anti-CRC antibody CO17-1A (Ab1) in doses between 0.5 and 4 mg per injection. All patients developed anti-anti-idiotypic antibodies (Ab3) with binding specificities on the surfaces of cultured tumor cells similar to the specificity of Ab1. Furthermore, the Ab3 competed with Ab1 for binding to CRC cells. Fractions of Ab3-containing sera obtained after elution of the serum immunoglobulins from CRC cells bound to purified tumor antigen and inhibited binding of Ab2 to Ab1. The Ab3, therefore, may share idiotopes with Ab1. Six patients showed partial clinical remission and seven patients showed arrest of metastases following immunotherapy. Four of the thirteen patients with measurable clinical responses had received Ab2 alone, whereas 9 patients had also received chemotherapy.
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