Abstract:
:A novel macrolide with dioxa and double ring pentadecanone, named as phoxalone, isolated from the culture broth of a myxobacterium Sorangium cellulosum WXNXJ-C, was well investigated. The chemical structure of Phoxalone was elucidated by spectroscopic analysis including UV, IR, (1)H NMR, MALDI-TOF-MS, and LC/MS spectra. The results of cytotoxic bioactivities on human non-small lung cancer H446, in vitro, showed that not only did phoxalone express higher antitumor bioactivity than many antitumor drugs, but it also displayed less cytotoxicity to normal human liver L02 cell lines (IC(50), 286 microg mL(-1)). Further cytotoxic bioactivity study indicated that phoxalone could induce H446 cell line apoptosis in vitro. More investigation results of flow-cytometric analysis suggested that phoxalone arrested the mitosis of H446 cell line at G2/M phase. Hence, phoxalone and its derivatives or analogs would reveal huge research value and fascinating foreground.
journal_name
Nat Prod Resjournal_title
Natural product researchauthors
Guo WJ,Tao WY,Bi Fdoi
10.1080/14786410701766190subject
Has Abstractpub_date
2007-12-01 00:00:00pages
1271-85issue
14eissn
1478-6419issn
1478-6427pii
788432126journal_volume
21pub_type
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