Background: Erlotinib (ERL) and Gefitinib (GEF) are considered first line therapy for the management of non-small cell lung carcinoma (NSCLC). Like other tyrosine kinase inhibitors (TKIs), ERL and GEF are mainly metabolized by the
A new papain-like cysteine peptidase isolated from fruits of Pseudananas macrodontes (Morr.) Harms, a species closely related to pineapple (Ananas comosus L.), has been purified and characterized. The enzyme, named macrodontain I, is the main proteolytic component present in fruit extracts and was
Pineapple stem bromelain was photooxidized in the presence of Methylene Blue used as a sensitizer. The essential sulfhydryl group of the enzyme protein rapidly became inaccessible to react with 5,5'-dithiobis(nitrobenzoic acid), but the reactivity was readily regained to the original level upon
The initial velocities of hydrolysis of nineteen glycopeptides by peptide: N-glycosidase F and A were determined. Substrates were prepared from bovine fetuin, hen ovalbumin, pineapple stem bromelain, bovine fibrin and taka-amylase. From these glycopeptides, several variants with regard to peptide
Crude bromelain extracts from pineapple stems (Ananas comosus) were fractionated by two-step FPLC-cation-exchange chromatography. At least eight basic proteolytically active components were detected. The two main components F4 and F5 together with the most active proteinase fraction F9 were
Through utilizing the nutrient-rich phloem sap, sap feeding insects such as psyllids, leafhoppers, and aphids can transmit many phloem-restricted pathogens. On the other hand, multiplication of phloem-limited, uncultivated bacteria such as Candidatus Liberibacter asiaticus (CLas) inside the phloem
Plantaricin-149 is a bacteriocin produced by Lactobacillus plantarum NRIC 149 (a LAB isolated from pineapple), which consists of a peptidic chain made up of 22 amino acid residues [Kato et al. J. Ferment. Bioeng. 1994; 77: 277-282]. In this work, a synthetic C-terminal amidated peptide analog
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