, Volume 6, Issue 3, pp 197–208 | Cite as

Comparison of culture methods for human-human hybridomas secreting anti-HBsAg human monoclonal antibodies

  • Yasushi Shintani
  • Yoh-Ichiro Kohno
  • Hidekazu Sawada
  • Kazuaki Kitano
Original Research Paper


Human-human hybridomas which secrete a human monoclonal antibody (h-MoAb) against hepatitis B virus surface antigen showed growth associated production kinetics. The rate of h-MoAb production rapidly decreased after cell growth was arrested in a perfusion culture, even if the perfusion rate was increased. A continuous suspended-perfusion culture, in which both culture broth and culture supernatant are continuously harvested and the same volume of fresh medium is continuously fed into the reactor, was developed to maintain continuous growing conditions during cultivation. In this culture system, the production of h-MoAb continued for more than 50 days with an average productivity of 5.0 mg/l of working volume/day. A semicontinuous immobilized-perfusion culture in which parts of the cells are repeatedly removed from the immobilized reactor was another useful technique for the long term cultivation of these h-h hybridomas. As an average h-MoAb production rate, 62 mg/l of immobilized-bed volume/day was achieved for 65 days of cultivation using a ceramic matrix reactor, and 327 mg/l/day was achieved over 47 days of cultivation using a hollow fiber reactor equipped with Cultureflo MTM Thus, the antibody productivity per reactor volume per day by the semicontinuous immobilized-perfusion culture was much higher than that of the continuous perfusion culture in an agitation reactor.

Key words

growth-associated production hepatitis B virus human-human hybridoma immobilized culture monoclonal antibody perfusion culture 


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Copyright information

© Kluwer Academic Publishers 1991

Authors and Affiliations

  • Yasushi Shintani
    • 1
  • Yoh-Ichiro Kohno
    • 1
  • Hidekazu Sawada
    • 1
  • Kazuaki Kitano
    • 1
  1. 1.Microbiology Research Laboratories, Research & Development DivisionTakeda Chemical Industries Ltd.OsakaJapan

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