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Type-I Hemins and free porphyrins from a Western Australian Sponge Isabela sp
Journal article   Open access   Peer reviewed

Type-I Hemins and free porphyrins from a Western Australian Sponge Isabela sp

Samuele Sala, Stephen A Moggach, Gareth L Nealon, Jane Fromont, Oliver Gomez, Daniel Vuong, Ernest Lacey and Gavin R Flematti
Marine drugs, Vol.21(1), Art. 41
2023
PMID: 36662214
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Published1.05 MBDownloadView
CC BY V4.0 Open Access

Abstract

Animals Australia Cell Line, Tumor Ferric Compounds Hemin - metabolism Magnetic Resonance Spectroscopy Mice Multiple Myeloma Porifera - metabolism Porphyrins - pharmacology
Two novel free porphyrins, isabellins A and B, as well as the known compounds corallistin D and deuteroporphyrin IX were isolated from a marine sponge sp. LC-MS analysis of the crude extract revealed that the natural products were present both as free porphyrins and iron(III) coordinated hemins, designated isabellihemin A, isabellihemin B, corallistihemin D and deuterohemin IX, respectively. Structures were determined via high-resolution mass spectrometry, UV-Vis spectroscopy and extensive NOESY NMR spectroscopic experiments. The type-I alkyl substitution pattern of isabellin A and isabellihemin A was assigned unambiguously by single crystal X-ray diffraction. Biological evaluation of the metabolites revealed potent cytotoxicity for isabellin A against the NS-1 murine myeloma cell line.

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#14 Life Below Water

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Collaboration types
Domestic collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.198 Mycotoxins
3.198.749 Porifera
Web Of Science research areas
Chemistry, Medicinal
Pharmacology & Pharmacy
ESI research areas
Pharmacology & Toxicology
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