Periplasmic Expression of TNF Related Apoptosis Inducing Ligand (TRAIL) in E. coli

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Tavallaei Omid; BANDEHPOUR MOJGAN; NAFISSI VARCHEH NASTARAN; KAZEMI BAHRAM

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Journal: Iranian Journal of Pharmaceutical Research Year:2015 | Volume:14 | Issue:2 Page(s): 617-626

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Title

Periplasmic Expression of TNF Related Apoptosis Inducing Ligand (TRAIL) in E. coli

Author(s)

Tavallaei Omid | BANDEHPOUR MOJGAN | NAFISSI VARCHEH NASTARAN | KAZEMI BAHRAM | Issue Writer Certificate

Keywords

TRAIL

Periplasmic expression

E.coli

Signal sequence

Secretion

Abstract

Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), a member of TNF family, is an interesting ligand which selectively induces apoptosis in tumor cells and, therefore, it has been developed for cancer therapy. This ligand has been produced by various hosts such as E. coli. However, protein expression in E. coli cytoplasm leads to problems such as incorrect folding, reduction in biological activity, inclusion body formation, and sophisticated downstream. The aim of this study is to develop an expression system for the production of recombinant TRAIL secreted to the E. coli periplasm instead of cytoplasm. By using Overlapping Extension PCR, an OmpA Signal sequence was fused to TRAIL cDNA and OmpA-TRAIL fragment was then cloned in pET-22b plasmid. This construct was confirmed by PCR and DNA sequencing. Promoter was induced in E. coli BL21 (DE3) and periplasmic expressed proteins were released using osmotic shock procedure. SDS-PAGE analysis showed that about 37% of recombinant TRAIL was transferred into the periplasm and its identity was confirmed by western blot analysis. Finally, the cytotoxic activity of TRAIL against HeLa cell line was confirmed by using MTT assay. The results demonstrate that our expression system may be useful for the production of TRAIL in the periplasmic space.

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APA: Copy

Tavallaei, Omid, BANDEHPOUR, MOJGAN, NAFISSI VARCHEH, NASTARAN, & KAZEMI, BAHRAM. (2015). Periplasmic Expression of TNF Related Apoptosis Inducing Ligand (TRAIL) in E. coli. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 14(2), 617-626. SID. https://sid.ir/paper/288443/en

Vancouver: Copy

Tavallaei Omid, BANDEHPOUR MOJGAN, NAFISSI VARCHEH NASTARAN, KAZEMI BAHRAM. Periplasmic Expression of TNF Related Apoptosis Inducing Ligand (TRAIL) in E. coli. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2015;14(2):617-626. Available from: https://sid.ir/paper/288443/en

IEEE: Copy

Omid Tavallaei, MOJGAN BANDEHPOUR, NASTARAN NAFISSI VARCHEH, and BAHRAM KAZEMI, “Periplasmic Expression of TNF Related Apoptosis Inducing Ligand (TRAIL) in E. coli,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 14, no. 2, pp. 617–626, 2015, [Online]. Available: https://sid.ir/paper/288443/en

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