Abstract：
:Seven new polyoxygenated steroids belonging to a new structural group of sponge steroids, gracilosulfates A-G (1-7), possessing 3β-O-sulfonato, 5β,6β epoxy (or 5(6)-dehydro), and 4β,23-dihydroxy substitution patterns as a common structural motif, were isolated from the marine sponge Haliclona gracilis. Their structures were determined by NMR and MS methods. The compounds 1, 2, 4, 6, and 7 inhibited the expression of prostate-specific antigen (PSA) in 22Rv1 tumor cells.
journal_name
Mar Drugsjournal_title
Marine drugsauthors
Shubina LK,Makarieva TN,Denisenko VA,Popov RS,Dyshlovoy SA,Grebnev BB,Dmitrenok PS,von Amsberg G,Stonik VAdoi
10.3390/md18090454subject
Has Abstractpub_date
2020-08-30 00:00:00issue
9issn
1660-3397pii
md18090454journal_volume
18pub_type
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