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Gracilosulfates A-G, Monosulfated Polyoxygenated Steroids from the Marine Sponge

Overview
Journal Mar Drugs
Publisher MDPI
Specialties Biology
Pharmacology
Date 2020 Sep 3
PMID 32872590
Citations 8
Authors
Affiliations
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Abstract

Seven new polyoxygenated steroids belonging to a new structural group of sponge steroids, gracilosulfates A-G (-), possessing 3--sulfonato, 56 epoxy (or 5(6)-dehydro), and 4,23-dihydroxy substitution patterns as a common structural motif, were isolated from the marine sponge Their structures were determined by NMR and MS methods. The compounds , and inhibited the expression of prostate-specific antigen (PSA) in 22Rv1 tumor cells.

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