Abstract
Interleukin-7 (IL-7) is a glycoprotein cytokine with significant clinical and biomedical potential, such as cancer therapy and HIV infections. Earlier it has been cloned and expressed in various protein expression systems; however, they are not efficient for large-scale production. To address this inadequacy, we report in this paper the production of recombinant human interleukin-7 (hIL-7) in insect cells. A recombinant bacmid containing hIL-7 was constructed, purified, and characterized. It was used to infect Trichoplusia ni (BT1-TN-5B1/High Five™) insect cells. Result shows that T. ni cells successfully produce hIL-7 in shake flask cultures. A scale up to 2.5-L laboratory batch bioreactor showed the efficacy of this system for large-scale production. Our results offer a highly efficient, inexpensive, and convenient system for the large-scale expression and production of recombinant hIL-7.
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Acknowledgements
This work was supported by research grants (to S.P.) from the Canadian Institute of Health Research (CIHR). The authors acknowledge Dr. Yan Xu for her advice in the plasmid construction, Johnny Montes for the technical assistance and Jasmine Rohinton Bhathena for manuscript proof reading. M. M. acknowledges a Ph.D. Scholarship from the Iranian Ministry of Health and Education.
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Mirzaei, M., Jardin, B., Elias, C.B. et al. Expression and Production of Human Interleukin-7 in Insect Cells Using Baculovirus Expression Vector System (BEVS). Appl Biochem Biotechnol 151, 93–103 (2008). https://doi.org/10.1007/s12010-008-8178-3
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DOI: https://doi.org/10.1007/s12010-008-8178-3