Expression of growth factors in Dictyostelium discoideum

S. Asgari*, S. Arun, M. B. Slade, J. Marshall, K. L. Williams, J. F. Wheldrake

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Growth factors and their binding proteins are important proteins regulating mammalian cell proliferation and differentiation so there is considerable interest in producing them as recombinant proteins, especially in hosts that do not already produce a complex mixture of growth factors. Many growth factors require post-translational modifications making them unsuitable for production in Escherichia coli or other prokaryotes. Since several expression vector systems have been recently developed for foreign protein production in the cellular slime mould, Dictyostelium discoideum, we attempted to use two of these systems to express human insulin-like growth factor binding protein 6 (hlGFBP6) and bovine beta-cellulin (bBTC) as secreted proteins. Although both proteins were successfully produced in stably transformed amoebae, no secretion was detected in spite of several attempts to facilitate this occurring.

Original languageEnglish
Pages (from-to)491-497
Number of pages7
JournalJournal of Molecular Microbiology and Biotechnology
Volume3
Issue number3
Publication statusPublished - 2001

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