https://www.selleckchem.com/pr....oducts/ceftaroline-f
Results The amount of soluble protein for periplasmic expression was more when compared with one of the cytoplasmic expressions. The optimum condition for periplasmic expression of GM-CSF was expression at 23°C, using 1 mM IPTG as inducer and in the presence of 0.4 M sucrose. The biological activity of purified GM-CSF on HL-60 cell line was assessed by MTT assay, and the specific activity of produced GM-CSF was determined as 1.2 × 104 IU/μg. Conclusion The present work suggests that periplasmic expression and optimization of
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