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A human-human hybridoma secreting anti-Pseudomonas aeruginosaexotoxin-A monoclonal antibody with highly potent neutralizing activity

✍ Scribed by Masato Kuriyama; Yuzo Ichimori; Susumu Iwasa; Kyozo Tsukamoto


Publisher
Springer
Year
1990
Tongue
English
Weight
930 KB
Volume
3
Category
Article
ISSN
0920-9069

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✦ Synopsis


A hybridoma secreting human monoclonal antibody (MAB) against Pseudomonas aeruginosa exotoxin A (PEA) was constructed by fusing Epstein-Barr virus-transformed peripheral blood lymphocytes with human B lymphoblastoid cell line TAW-925. The human-human hybridoma stably produced human IgG2 MAB at the rate of 0.4-0.5 microgram/ml per 10(6) cells per day for more than six months, and the MAB was capable of neutralizing the in vitro cytotoxic and in vivo lethal effects of PEA with approximately 100- and 70-fold, respectively, higher activity than serum polyclonal antibody preparations.


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