Purification and characterization of a novel RNase with antiproliferative activity from the mushroom Lactarius flavidulus
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AbstractA 14.6-kDa RNase, with a pH optimum of 5.5 and a temperature optimum of 70 degrees C, was isolated from dried fruiting bodies of the edible mushroom Lactarius flavidulus. The purification procedure involved, in succession, ion exchange chromatography on DEAE-cellulose, CM-cellulose and SP-Sepharose, and finally FPLC-gel filtration on Superdex 75. The RNase was adsorbed on all three ion exchangers. The ranking of its activity toward various polyhomoribonucleotides was poly(C) > poly(G) > poly(A) > poly(U). It suppressed proliferation of HepG2 cells and L1210 cells with an IC50 of 3.19 mu M and 6.52 mu M, respectively. It also inhibited the activity of HIV-1 reverse transcriptase with an IC50 of 2.55 mu M. The Journal of Antibiotics (2012) 65, 67-72; doi:10.1038/ja.2011.112; published online 21 December 2011
All Author(s) ListWu YY, Wang HX, Ng T
Journal nameJournal of Antibiotics
Detailed descriptionTo ORKTS: doi: 10.1038/ja.2011.112
Volume Number65
Issue Number2
PublisherNature Publishing Group: Open Access Hybrid Model Option B
Pages67 - 72
LanguagesEnglish-United Kingdom
Keywordsantiproliferative; Lactarius flavidulus; mushroom; RNase
Web of Science Subject CategoriesBiotechnology & Applied Microbiology; BIOTECHNOLOGY & APPLIED MICROBIOLOGY; Immunology; IMMUNOLOGY; Microbiology; MICROBIOLOGY; Pharmacology & Pharmacy; PHARMACOLOGY & PHARMACY

Last updated on 2020-23-10 at 00:11