Bispecific CD3 × CD19 diabody for T cell‐mediated lysis of malignant human B cells
Bispecific CD3 × CD19 diabody for T cell‐mediated lysis of malignant human B cells
复制标题
用于 T 细胞介导的人类恶性 B 细胞裂解的双特异性 CD3 × CD19 双抗体
DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
M. Little
中科院分区:
文献类型:
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作者:
S. Kipriyanov;G. Moldenhauer;G. Strauss;M. Little
For the treatment of minimal residual disease in patients with leukemias and malignant lymphomas, we constructed a heterodimeric diabody specific for human CD19 on B cells and CD3ϵ chain of the T cell receptor complex. The bispecific diabody was expressed in Escherichia coli using a vector containing a dicistronic operon for co‐secretion of VH3‐VL19 and VH19‐VL3 single‐chain Fv fragments (scFv). It was purified in one step by immobilized metal affinity chromatography (IMAC) from the periplasmic extract and culture medium. Flow cytometry experiments revealed specific interactions of the diabody with both CD3 and CD19 positive cells, to which it bound with affinities close to those of the parental scFvs. It was less stable than anti‐CD3 scFv but more stable than anti‐CD19 scFv when incubated in human serum at 37°C. In cytotoxicity tests, the diabody proved to be a potent agent for retargeting peripheral blood lymphocytes to lyse tumor cells expressing the CD19 antigen. The efficiency of cell lysis compared favorably with that obtained with a bispecific antibody (BsAb) of the same dual specificity that was prepared by the quadroma technique. Int. J. Cancer 77:763–772, 1998. © 1998 Wiley‐Liss, Inc.
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DOI:
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发表时间:
1994
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
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作者:
Gruber,M;Schodin,BA;Wilson,ER;Kranz,DM
通讯作者:
Kranz,DM
影响因子:
20.3
作者:
Grossbard,ML;Press,OW;Appelbaum,FR;Bernstein,ID;Nadler,LM
通讯作者:
Nadler,LM
DOI:
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发表时间:
1992
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
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作者:
Schwinzer,R;Franklin,RA;Domenico,J;Renz,H;Gelfand,EW
通讯作者:
Gelfand,EW
影响因子:
11.2
作者:
I. Garcia de Palazzo;M. Holmes;Ç. Gerçel-Taylor;L. Weiner
通讯作者:
I. Garcia de Palazzo;M. Holmes;Ç. Gerçel-Taylor;L. Weiner
DOI:
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发表时间:
1993
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Schodin,BA;Kranz,DM
通讯作者:
Kranz,DM