Apr 29, 2020

Expression and in vitro anticancer activity of Lp16-PSP, a member of the YjgF/YER057c/UK114protein family from the mushroom Lentinula edodes C91-3

BioRxiv : the Preprint Server for Biology
T. P. JosephMin Huang

Abstract

Latcripin-16 (Lp16-PSP) is a gene that was extracted as a result of de novo characterization of the Lentinula edodes strain C91-3 transcriptome. The aim of the present study was to clone, express and investigate the selective in vitro anticancer potential of Lp16-PSP in human cell lines. Lp16-PSP was analyzed using bioinformatics tools, cloned in a prokaryotic expression vector pET32a (+) and transformed into E. coli Rosetta gami. It was expressed and solubilized under optimized conditions. The differential scanning fluorometry (DSF)-guided refolding method was used with modifications to identify the proper refolding conditions for the Lp16-PSP protein. In order to determine the selective anticancer potential of Lp16-PSP, a panel of human cancerous and non-cancerous cell lines was used. Lp16-PSP protein was identified as endoribonuclease L-PSP protein and a member of the highly conserved YjgF/YER057c/UK114 protein superfamily. Lp16-PSP was expressed under optimized conditions (37{ring}C for 4 h following induction with 0.5 mM isopropyl {beta}-D-1-thiogalactopyranoside). Solubilization was achieved with mild solubilization buffer containing 2M urea using the freeze-thaw method. The DSF guided refolding method identified the prop...Continue Reading

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Mentioned in this Paper

Nasopharyngeal Diseases
Biochemical Pathway
Quantitative Trait Loci
Dermacoccus
PGLYRP3
Genome
Genes
RNA, Untranslated
Nasopharynx
PGLYRP4 protein, human

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