2016
DOI: 10.1002/btpr.2410
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Heterologous expression and purification of active L‐asparaginase I of Saccharomyces cerevisiae in Escherichia coli host

Abstract: l-asparaginase (ASNase) is a biopharmaceutical widely used to treat child leukemia. However, it presents some side effects, and in order to provide an alternative biopharmaceutical, in this work, the genes encoding ASNase from Saccharomyces cerevisiae (Sc_ASNaseI and Sc_ASNaseII) were cloned in the prokaryotic expression system Escherichia coli. In the 93 different expression conditions tested, the Sc_ASNaseII protein was always obtained as an insoluble and inactive form. However, the Sc_ASNaseI (His) -tagged … Show more

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Cited by 14 publications
(9 citation statements)
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“…Moreover, for recombinant His-tagged ASNases the immobilized metal ion affinity chromatography (IMAC), using a Ni2+-charged resin, is highly recommended. The use of IMAC proved to be an efficient tool in the purification of recombinant ASNase I of S. cerevisiae , resulting in high recoveries (40.50 ± 0.01%) and a purification factor of 17-fold (Santos et al, 2017).…”
Section: L-asparaginase Manufacturing: Production Process and Purificmentioning
confidence: 99%
“…Moreover, for recombinant His-tagged ASNases the immobilized metal ion affinity chromatography (IMAC), using a Ni2+-charged resin, is highly recommended. The use of IMAC proved to be an efficient tool in the purification of recombinant ASNase I of S. cerevisiae , resulting in high recoveries (40.50 ± 0.01%) and a purification factor of 17-fold (Santos et al, 2017).…”
Section: L-asparaginase Manufacturing: Production Process and Purificmentioning
confidence: 99%
“…It is used as a fundamental drug in protocols for the treatment of acute lymphoblastic leukemia (ALL). Up to now, only bacterial enzymes either modified (PEGylated) from Escherichia coli or unmodified from E. coli and Erwinia chrysanthemi have been approved for ALL treatment (Ali et al, 2016; Lopes et al, 2017; Santos et al, 2017). Even with all the success achieved with bacterial ASNases, there are still adverse effects (Dunlop et al, 1978, 1980; Panosyan et al, 2004; Liu et al, 2016); therefore, there is a demand for new serologically different enzymes with improved characteristics such as less immunogenicity with similar or improved therapeutic effects (Narta et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…IMAC has been frequently used as a capture step in l -ASNase purification processes. This chromatography process was also used to purify recombinant proteins expressed in E. coli strain BL21 (DE3), the same strain used in our work.…”
Section: Resultsmentioning
confidence: 99%