cloning and expression of recombinant human interleukin-7 in chinese hamster ovary (cho) cells
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abstract
background: the critical role of interleukin-7 (il-7) in homeostatic proliferation and t cell survival has made it a promising cytokine for the treatment of various clinical conditions, especially those associated with lymphopenia. methods: in the present study we expressed recombinant human interleukin-7 (rhil-7) in chinese hamster ovary (cho)-k1 cells. cho-k1 cells were stably transfected with both circular and linear forms of the pbud-hil-7 recombinant by electroporation. expression of rhil-7 in cho-k1 cells was confirmed by enzyme-linked immunosorbent assay (elisa) and dot and western blots. results: on western blots of transformed cells, a single 25 kda band was observed, consistent with the expected molecular weight of glycosylated hil-7. no significant expression difference was observed between cells transfected with circular or linear plasmids. conclusions: we established a stable cho-k1 cell line expressing rhil-7, which we consider to be a promising system for the production of rhil-7 as a biopharmaceutical.
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Journal title:
reports of biochemistry and molecular biologyجلد ۶، شماره ۱، صفحات ۶۶-۷۳
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