Editor's Statement This approach to large scale, high density cultivation of cells, one of several which are based on increasing surface area of the cultures, allows the production of large amounts of recombinant product within a research laboratory with modest bulk culture capability.
Summary
Stainless steel mesh supported the high density growth of anchorage dependent CHO fibroblasts without the use of a special culture system. CHO cells, designated B-9, containing an amplified genomic construct of the human gene for Mullerian Inhibiting Substance (MIS), grew to a high confluent density on stainless steel meshwork while producing substantial amounts of human recombinant MIS over a long period of time. The mesh could be easily coated with various extracellular matrix proteins, such as Laminin, Fibronectin, Collagen or Matrigel, which permitted the testing of the effects of surface modifications on cell yield and recombinant protein production. Since the amount of medium per surface area required for optimal cell growth is lower than for some large volume cell culture methods, media costs can be reduced using mesh. In addition, no special cell culture equipment or complex manipulations are required. Thus, the use of meshwork for anchorage-dependent cells can increase the efficiency of growth and decrease the cost of recombinant protein production.
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This work is supported by NIH grant CA 17393 and American Cancer Society grant PDT 221A to P. K. D. and NIH grant EY 06535 to J. E.
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Epstein, J., Desjardins, E.J., Hudson, P.L. et al. Stainless steel mesh supports high density cell growth and production of recombinant Mullerian Inhibiting Substances. In Vitro Cell Dev Biol 25, 213–216 (1989). https://doi.org/10.1007/BF02626181
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DOI: https://doi.org/10.1007/BF02626181